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Golf Ball patents

      

This page is updated frequently with new Golf Ball-related patent applications.




 Methods for making golf ball components using three-dimensional additive manufacturing systems patent thumbnailMethods for making golf ball components using three-dimensional additive manufacturing systems
Methods for making golf balls and golf ball components using three-dimensional (3d) additive manufacturing systems are provided. The golf ball includes at least one three-dimensional piece.
Acushnet Company


 Golf balls having foam inner core and themoplastic outer core patent thumbnailGolf balls having foam inner core and themoplastic outer core
Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane.
Acushnet Company


 Golf balls having dual-layered cores with metal-containing centers and dual-layered covers patent thumbnailGolf balls having dual-layered cores with metal-containing centers and dual-layered covers
Multi-piece golf balls containing a dual-layered core and dual-layered cover are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity, and a surrounding outer core layer.
Acushnet Company


 Golf balls having dual-layered cores with metal-containing centers patent thumbnailGolf balls having dual-layered cores with metal-containing centers
Multi-piece golf balls containing a dual-layered core are provided. The ball further includes single or multi-layered covers.
Acushnet Company


 Golf club head with structural columns patent thumbnailGolf club head with structural columns
A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company


 Golf club head with structural columns patent thumbnailGolf club head with structural columns
A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company


 Golf club head with flexure patent thumbnailGolf club head with flexure
A golf club head including a crown, a sole, a hosel, a face and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency.
Acushnet Company


 Metal wood club patent thumbnailMetal wood club
A golf club head is provided having a body and a face, with a slot in a perimeter region of the body of the club head adjacent the face. The slot increases the flex of the hitting surface on impact with a golf ball, thereby increasing the speed with which the ball rebounds off the hitting face and increases the overall distance the ball is hit.
Acushnet Company


 Multi-layer golf ball patent thumbnailMulti-layer golf ball
Multi-piece golf balls having a multi-layered solid core and multi-layered cover are provided.. .
Acushnet Company


 Golf ball with excellent interlayer adhesion between adjacent differing layers patent thumbnailGolf ball with excellent interlayer adhesion between adjacent differing layers
golf ball and method for making it, comprising a first layer that comprises a first polymeric composition and is surrounded by and adjacent to a second layer comprising a second polymeric composition different than the first polymeric composition; with one of these layers further comprising at least one silane-containing adhesion promoter such as organosilanes and/or organosiloxanes throughout in an amount of from about 0.1 wt. % to about 5.0 wt.
Acushnet Company


Golf ball

The invention provides a golf ball having a core and a cover of one layer or a plurality of layers, wherein the core is formed of a material molded under heat from a rubber composition containing (a) a base rubber, (b) an organic peroxide, and (c) water and/or a metal monocarboxylate, and has a hysteresis loss of 50% or less when compressed at a load cell speed of 500 mm/min and under a constant load of 5,000 n.. .
Bridgestone Sports Co., Ltd.

Golf ball

The invention provides a golf ball having a core and a cover of one layer or a plurality of layers, the core being formed of a material molded under heat from a rubber composition which includes (a) a base rubber, (b) an organic peroxide, and (c) water and/or a metal monocarboxylate. The product p×e of the difference p (mol/m3) in crosslink density between the core surface and the core center, as measured based on a toluene swelling test, multiplied by the deflection e (mm) of the core when compressed under a final load of 1,275 n (130 kgf) from an initial load state of 98 n (10 kgf) is at least 28×102 mol/m3·mm..
Bridgestone Sports Co., Ltd.

Virtual golf system and methods

Virtual golf system for playing golf, comprising a plurality of trackable golf balls, wherein each golf ball comprises transmitting means for broadcasting electromagnetic beacon signals for detecting a position of the golf ball, a position determination unit comprising three receiving antenna's arranged for receiving beacon signals broadcasted by any of said plurality of trackable golf balls, and wherein said position determination unit is arranged to determine a position of said golf ball on a driving range based on time differences of a broadcasted beacon signal received by said receiving antenna's. A plurality of trackable golf balls and a plurality of players may be active at the same time.

Dual core golf ball having positive-hardness-gradient thermoplastic inner core and positive-hardness-gradient thermoset outer core layer

A golf ball comprising an inner core layer including a thermoplastic material and having a geometric center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is formed over the inner core.
Acushnet Company

Golf towel

A golf towel including a towel body, the towel body having both a first abrasive portion and a second abrasive portion for cleaning the dimples on a golf ball and the grooves in a golf club head, respectively. The first abrasive portion includes a plurality of nubs projecting outwardly therefrom and corresponding to dimples on a golf ball.

Golf ball liner

Provided is a golf ball liner for rapidly and exactly printing, on a golf ball, a putting line or a mark indicating the owner of the ball. The golf ball liner includes a housing having an inside space in which a golf ball is accommodated, a moving part mounted on the housing and configured to move toward or away from the golf ball, a supporter mounted in an inside space of the moving part, a stamp supported by the supporter and configured to move with the moving part and the supporter to print a putting line or mark on the golf ball, and a first detachable part formed on each of the stamp and the supporter and configured to couple or separate the stamp to or from the supporter..

Golf ball incorporating at least three adjacent ionomeric and/or hnp-based layers having multiple related property gradients there between

golf ball having at least three layers comprising ionomeric and/or hnp compositions, wherein for each two adjacent layers, a relationship is established between a ratio of the volumes of the two adjacent layers and a ratio of the percent neutralizations of those two layers such that the volumes and % neutralizations of all layers are interrelated and interdependent to produce unique and desirable playing characteristics. In one embodiment, a golf ball of the invention has t layers, wherein t≧3 and each of t layers has a different volume “v” and comprises an ionomeric and/or hnp composition having a different % neutralization “n”; and wherein each of n inner layers of the t layers (n<t) has an adjacent surrounding layer n+1 such that a volume vn and a % neutralization nn of each inner layer and a volume v(n+1) and % neutralization n(n+1) of each adjacent surrounding layer n+1 satisfy the relationship (v(n+1)−vn)/v(n+1)≦(nn−n(n+1))/n(n+1)..
Acushnet Company

Golf ball incorporating at least three adjacent ionomeric and/or hnp-based layers having multiple related property gradients there between

golf ball having at least three layers comprising an ionomeric and/or hnp composition, wherein for each two adjacent layers, a relationship is established between a ratio of the volumes of the two adjacent layers and a ratio of the percent neutralizations of those two layers such that the volumes and % neutralizations of all layers are interrelated and interdependent to produce unique and desirable playing characteristics. In one embodiment, each of t layers, wherein t≧3, has a different volume “v” and comprises an ionomeric/hnp composition having a different % neutralization “n”; and wherein each of n inner layers of the t layers (n<t) has an adjacent surrounding layer n+1 such that a volume vn and a % neutralization nn of each inner layer and a volume v(n+1) and % neutralization n(n+1) of each adjacent surrounding layer n+1 satisfy the relationship (v(n+1)−vn)/v(n+1)≦(n(n+1)−nn)/nn..
Acushnet Company

Golf ball incorporating at least three adjacent ionomeric and/or hnp-based layers having multiple related property gradients there between

golf ball having at least three layers comprising ionomeric and/or hnp compositions, wherein for each two adjacent layers, a relationship is established between a ratio of the volumes of the two adjacent layers and a ratio of the percent neutralizations of those two layers such that the volumes and % neutralizations of all layers are interrelated and interdependent to produce unique and desirable playing characteristics. In one embodiment, a golf ball of the invention has t layers, wherein t≧3 and each of t layers has a different volume “v” and comprises an ionomeric and/or hnp composition having a different % neutralization “n”.
Acushnet Company

Golf balls having a foam center with regions of different hardness

Golf balls having a multi-layered core made of a foamed composition are provided. The core preferably has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer.
Acushnet Company

Dual core golf ball having positive-hardness-gradient thermoplastic inner core and positive-hardness-gradient thermoset outer core layer

A golf ball includes a thermoplastic inner core and a thermoset outer core layer. The inner core has a surface hardness of about 40 to 80 shore c and a center hardness of about 30 to 75 shore c, the center hardness being less than the surface hardness to define a first positive hardness gradient.
Acushnet Company

Medium gradient dual core golf ball

A golf ball includes an inner core layer having a first surface hardness and a geometric center hardness. The center hardness is less than the first surface hardness to define a first positive hardness gradient of about 1 to 12 shore c.
Acushnet Company

Three-cover-layer golf ball having transparent or plasticized polyamide intermediate layer

A golf ball includes a core and a three-layer cover disposed adjacent the core. The three-layer cover includes an inner cover, an intermediate cover, and an outer cover.
Acushnet Company

Multi-layer cover golf ball having a high acid casing layer

A golf ball includes a single core having an outer surface and a geometric center. The core is formed from a substantially homogenous rubber composition.
Acushnet Company

Golf ball material and golf ball

A golf ball material includes (a) one or more resin ingredient selected from the group consisting of olefin-unsaturated carboxylic acid random copolymers, olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester random copolymers, and metal ion neutralization products of these copolymers; (d) an amino compound having at least 2 amino groups per molecule; (b) one or more resin ingredient selected from the group consisting of polyethylene, polyesters and polyamide elastomers; and (c) an agent for compatibilizing components (a) and (b). The compatibilizing agent (c) includes: (c-i) two different types of base polymer selected from a specific group, (c-ii) a hydrogenated diene polymer having at least one type of functional moiety selected from a specific group of moieties, and (c-iii) an olefinic polymer having at least one type of functional moiety selected from a specific group of moieties..
Bridgestone Sports Co., Ltd.

Multi-layer golf ball

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer..
Acushnet Company

Golf balls having foam center containing clay particulate

Multi-piece golf balls having a solid core made of a foamed composition and a cover are provided. Preferably, the core is dual-layered having has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer.
Acushnet Company

Determination of spin parameters of a sports ball

A method of determining spin parameters of a sports ball, such as spin axis and rotation velocity of a golf ball. The spin axis is determined solely from the trajectory of the flying ball, and the rotational velocity is determined from a frequency analysis of a signal provided by a radar, which signal comprises spectrum traces positioned equidistantly in frequency, which frequency distance relates to the spin velocity..
Trackman A/s

Multi-layer core golf ball

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least three layers, including at least one thermoset layer and at least one thermoplastic layer.
Acushnet Company

Automatic golf ball lifting device

An automatic golf ball lifting device capable of lifting a golf ball up to ground level comprises a first cylinder having dimension of a standard golf hole, and a second cylinder fit into the first cylinder where inside second cylinder there installed mechanisms for lifting the golf ball up to the ground level. The mechanisms for lifting the golf ball up in the second cylinder comprises: a golf ball plate; a load cell, installed underneath said golf ball plate at the uppermost end of a lifting set; a lifting set functions to move the golf ball plate up upon being actuated through a preset pcb, where at lower end of the lifting set is connected to a ball screw set and the uppermost end connected to the load cell; a ball screw set having screw which can turn clockwise or anticlockwise to allow lifting set to move up or down to a preset level; a motor functions to drive ball screw set through a bevel gear; a bevel gear rotates by motor and functions to turn the screw; a pcb electronically controls operation of all the components in the second cylinder; battery supplies electrical power to motor.

Golf ball incorporating at least one non-isocyanate-containing polyurethane layer

A golf ball comprising at least one layer consisting of a non-isocyanate-containing polyurethane composition comprising the reaction product of: at least one amine or polyamine, having an average functionality of 2.0 or greater, and at least one cyclo-carbonate. The amine may be selected for example from the group consisting of: ethylenediamine, hexamethylenediamine, or tris(2-aimnoethyl)amine, or blends thereof; and the polyamine may be selected for example from the group consisting of polyoxypropylene diamines, polyoxypropylene triamines, and combinations thereof.
Acushnet Company

Golf balls having core structures with iron-containing centers

Multi-piece golf balls having a solid core and cover are provided. The ball contains a small, heavy inner core and surrounding outer core layer.
Acushnet Company

Dimple patterns for golf balls

The present invention provides dimple patterns with tetrahedral tilings where the dimples are arranged in multiple copies of a first domain and a second domain, and the dimple pattern in the first domain is different than the dimple pattern in the second domain. A majority of dimples are provided having a first plan shape and a first profile shape, and at least one of the domains has a sub-pattern of nearest neighbor dimples having either a plan shape or a dimple profile shape that is different than the majority of dimples..
Acushnet Company

Method for configuring the face of a putter

The present invention is a method of forming the ball striking face of a putter type golf club to control the amount of force applied to a golf ball for a given stroke in order that golf ball struck away from the center of percussion of the face travels essentially the same distance as golf balls struck precisely at the center of percussion.. .

Golf ball scoop

The present invention relates to a ball scoop device comprising a hollow transport shaft connected by a lower angled connection to a ball scoop at the lower end of the transport shaft and connected by an upper angled connection at the upper end of the transport shaft to a ball retainer and a method for using the same.. .

Golf ball having non-planar parting line with non-circular dimples

(0.15)Σlarcs≦Σllines≦(0.50)Σlarcs.. .

Systems and methods for fitting golf equipment

A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one embodiment, golf fitting includes collecting data related to the golfer's swing and determining if the golfer's swing technique should be modified based at least in part on the collected swing data.
Max Out Golf, Llc

Target golf game system

A golf target system featuring a hitting bay including a golf ball launch monitor system, a playing area including a plurality of illuminated panels, and a controller in communication with the golf ball launch monitor system and the plurality of illuminated panels, wherein the controller selectively controls the illumination of the plurality of panels to define one or more visual targets observable from the hitting bay and receives information from the golf ball launch monitor system such that, when a golf ball is hit from the hitting bay towards the playing area, the golf ball launch monitor system communicates data to the controller sufficient for the controller to identify a landing position of the golf ball with respect to the one or more visual targets.. .

Low compression golf ball

Disclosed herein are two-layer and three-layer, low compression golf balls including a low compression single- or dual-layer rubber core and a single cover layer.. .
Acushnet Company

Golf club head with flexure

A golf club head including a crown, a sole, a hosel, a face, a flexure, and a weight member. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency.
Acushnet Company

Golf ball and manufacture

In a golf ball having a core and a cover of one or more layer encasing the core, an outermost layer of the cover is molded of a thermoplastic material selected from the group consisting of polyurethane, polyurea and mixtures thereof, and the surface of the cover is treated with a polyisocyanate compound that is free of organic solvent. A method of manufacturing the golf ball is also described.
Bridgestone Sports Co., Ltd.

Multi-layered cores for golf balls based on ionomers

Multi-piece golf balls having a solid core of at least one layer and cover of at least one layer are provided. Thermoplastic ethylene acid copolymer ionomer compositions are used to form the core layers.
Acushnet Company

Golf balls having non-uniform core structures with metal-containing centers

Multi-piece golf balls having a solid core and cover are provided. The ball contains a small, heavy inner core and surrounding outer core layer.
Acushnet Company

Golf ball

golf ball having a core and a cover of one or more layers, the core being formed of a material molded under heat from a rubber composition including a base rubber, an organic peroxide, and water and/or a metal monocarboxylate. Defining the tan δ slope as (tan δ10−tan δ1)/(10%−1%), where tan δ1 and tan δ10 are the loss tangents at dynamic strains of, respectively, 1% and 10% when the loss tangents of the core center and the core surface are measured at −12° c.
Bridgestone Sports Co., Ltd.

Dimple patterns for golf balls

The present invention provides dimple patterns with octahedral tilings where the dimples are arranged in multiple copies of a first domain and a second domain, and the dimple pattern in the first domain is different than the dimple pattern in the second domain. A majority of dimples are provided having a first plan shape and a first profile shape, and at least one of the domains has a sub-pattern of nearest neighbor dimples having either a plan shape or a profile shape that is different than the majority of dimples..
Acushnet Company

Dimple patterns for golf balls

The present invention provides dimple patterns with icosahedral tilings where the dimples are arranged in multiple copies of a first domain and a second domain, and the dimple pattern in the first domain is different than the dimple pattern in the second domain. A majority of dimples are provided having a first plan shape and a first profile shape, and at least one of the domains has a sub-pattern of nearest neighbor dimples having either a plan shape or a dimple profile shape that is different than the majority of dimples..
Acushnet Company

Short game golf trainer system

A short game golf trainer system in three releasably coupled parts: a horizontal base, a vertical support, and a cantilever horizontal top plate. The base has anchoring features, such as holes for receiving spikes, for anchoring the base to a putting green.

System, apparatus, and using mobile sporting goods

Systems, apparatus, and methods for using mobile sporting goods. In one aspect, the system permits a sporting enthusiast to track the location of a mobile sporting good, such as a golf ball, relative to a target, such as a target on a driving range, and correlate that location to a simulated location on a simulated golf hole..

Golf simulator, and golf simulation method

A golf simulator comprises a photosensor unit, an image input unit, a movement information calculation unit, a spin information calculation unit and a flight trajectory calculation unit. The photosensor unit detects a moving path of a golf ball by using a plurality of photosensors, the image input unit inputs movement images of the golf ball, the movement information calculation unit calculates a moving direction and speed of the golf ball from information acquired from the photosensor unit, the spin information calculation unit calculates a spin amount of the golf ball from the inputted images, and the flight trajectory calculation unit calculates a flight trajectory of the golf ball by using movement information and spin information.
Rd-tek Co., Ltd

Putter-type golf club head

Putter-type golf club head that, when oriented in a reference position, includes a striking wall extending in the heel to toe direction and defines a substantially planar striking face for hitting a golf ball. A central elongate member is in communication with, and extends rearward from, the striking wall.
Dunlop Sports Co. Ltd.

Low compression golf balls having layers made from plasticized thermoplastic materials

Low compression, multi-piece golf balls containing a solid core and two or three-layered cover assemblies are provided. Preferably, the ball has a compression of less than 60 and more preferably less than 50.
Acushnet Company

Three-layer-core golf ball having highly-neutralized polymer outer core layer

A golf ball includes an inner core layer formed from a thermoset rubber composition. The inner core layer has a first outer surface shore d hardness and an outer diameter of about 0.8 to 1.40 inches.
Acushnet Company

Methods and systems for sports simulation

A sports simulator calculates the rotational and translational velocity of a sports object. The rotational velocity is calculated using image analysis.
Full-swing Golf, Inc.

Sports simulator and simulation method

A sports simulator calculates spin of a sports object using image analysis. A velocity vector is also calculated.
Full-swing Golf, Inc.

Golf ball having balance rotation line and manufacturing method therefor

A golf ball having a balance rotation line, wherein a balance rotation line is formed on an arbitrary line in which a point for marking the center of gravity of the ball is vertical to a joining line on the ball, thereby enabling accurate putting; and a manufacturing method therefor.. .
Acegolf Co, Ltd.

Golf ball

An ultra-low compression golf ball is disclosed herein. The core preferably has a pga compression less than 30.
Callaway Golf Company

Golf training aid

A golf training aid comprising a base, a support arm, and an alignment rod or guide, wherein the base is positioned in front of the target golf ball when the golfer is in position behind the target golf ball. The arm is attached to the base and is normal to the direction of the stroke or swing, wherein the alignment rod or guide is held by the support arm directly above the target golf ball as viewed by the golfer.

Golf balls having a core layer made from plasticized thermoplastic compositions

Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a thermoplastic composition, preferably including: a) ethylene acid copolymer, b) plasticizer, and c) cation source.
Acushnet Company

Multi-piece solid golf ball

In a multi-piece solid golf ball having a core, a cover and an intermediate layer therebetween, the core, an intermediate layer-encased sphere and the ball have surface hardnesses which satisfy a specific relationship, and the intermediate layer and the cover have thicknesses which satisfy a specific relationship. Also, the core has a hardness profile in which the hardnesses at the core surface, core center, a position 5 mm from the core center, and a position midway between the surface and center of the core satisfy specific relationships.
Bridgestone Sports Co., Ltd.

Golf balls having metal-containing plasticized thermoplastic inner cores and thermoplastic outer cores

Multi-piece golf balls containing a dual-layered core structure are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity, and a surrounding outer core layer.
Acushnet Company

Golf ball covers made from plasticized thermoplastic materials

Multi-layered golf balls containing a two or three-layered cover assembly are provided. In one embodiment, the cover assembly includes a relatively hard inner cover and relatively soft outer cover.
Acushnet Company

Golf ball compositions

Disclosed herein are golf ball compositions formed from polyureas made from aminocrotonates.. .
Acushnet Company

Golf ball having dimples with concentric grooves

The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the alteration of the dimple surfaces. In particular, the present invention relates to a golf ball that includes at least a portion of its dimples having circular perimeters and dimple profiles having a concentric groove on the surface of the dimple.
Acushnet Company

Golf balls having volumetric equivalence on opposing hemispheres and symmetric flight performance and methods of making same

Golf balls according to the present invention achieve flight symmetry and overall satisfactory flight performance due to a dimple volume ratio that is equivalent between opposing hemispheres despite the use of different dimple geometries on the opposing hemispheres.. .
Acushnet Company

Golf swing analysis from pre-strike sound

A system, device, and methods include or utilize a microphone, a processor, and a user interface. The microphone senses sound and in response outputs a sound signal indicative of the sound.
Nike, Inc.

Golf club head with structural columns

A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Golf ball

Is at least 2.0.. .

Multi-piece solid golf ball

In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer, and a cover with a plurality of dimples thereon, the core is a two-layer core consisting of an inner core layer and an outer core layer each formed primarily of a base rubber, the envelope layer, the intermediate layer and the cover layer are each composed of at least one layer and formed primarily of a synthetic resin material, and the initial velocities and surface hardnesses of the core, the envelope layer-encased sphere and the intermediate layer-encased sphere are designed within specific ranges. This golf ball satisfies at a very high level the flight and control performances expected for use by professional golfers and skilled amateurs, has the ability to move forward on a straight path particularly on full shots, and also has an excellent scuff resistance..
Bridgestone Sports Co., Ltd.

Golf ball

The dimples 12 include a plurality of small dimples each having an area of less than 8.0 mm2.. .

Modulus transition layers for stiff core golf balls

A golf ball is provided that includes at least two layers of material disposed between a spherical core and a cover layer, wherein the elastic modulus of each is within three orders of magnitude of each adjacent layer or core. The spherical core can be a hollow metal core.
Oncore Golf Technology, Inc.

Golf balls having multi-layered cores with heat-activated foam center

Multi-layered, golf balls having a core made of a foamed composition are provided. The core preferably has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer.
Acushnet Company

Golf balls having particle-based foam center

Multi-layered, golf balls having a core made of a particle-based polyurethane foam composition are provided. The ball includes a dual-layered core having a foam inner core (center) and surrounding outer core layer.
Acushnet Company

Golf ball resin composition and golf ball

A golf ball resin composition includes (a) a styrene-based thermoplastic elastomer having a shore d hardness of not more than 48 and (b) a thermoplastic resin having a shore d hardness of at least 49 and containing either styrene monomer units or diene monomer units on the molecule, in a compounding ratio a/b therebetween of from 85/15 to 15/85. Using this resin composition as a golf ball cover material provides the ball with an excellent controllability around the green on shots with a short iron such as a sand wedge.
Bridgestone Sports Co., Ltd.

Golf ball and resin composition for cover or topcoat thereof

A resin composition for a cover or topcoat of golf balls includes: a resin for a cover or topcoat of a golf ball; an ultraviolet (uv) absorber for absorbing uv rays, of which an absorbance spectrum has an absorption peak at a wavelength in a range of 310 nm to 330 nm, has an absorbance in a wavelength range of 300 nm to 350 nm of at least 1.0 au and has an absorbance at a wavelength of 370 nm of 0.1 to 0.5 au; and a fluorescent whitening agent for absorbing uv rays and emitting visible rays, of which an absorbance spectrum has an absorption peak at a wavelength in a range of 350 nm to 370 nm, wherein a concentration of the uv absorber ranges from 0.25 to 1.5% by mass with respect to a total mass of the resin composition.. .
Bridgestone Sports Co., Ltd.

Golf ball dimple shape

The present invention is directed to golf balls having improved aesthetics and desirable aerodynamic properties due, at least in part, to the novel shape of the dimples on the surface thereof. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a shape obtained from the intersection of a toroid and a sphere.
Acushnet Company

Apparatus and forming an inverted, truncated pyramidal shape of stacked golf balls within a tray and forming on top an upright, pyramidal shape of stacked golf balls

A tray for stacking golf balls into a truncated, inverted pyramidal shape and upon which may be stacked on top a regular pyramidal stack of golf balls that self-supports to retain its shape. The tray includes a base, four diverging walls and a rim.

Adjustable golf tee

A telescoping golf ball tee with an internal locking mechanism is provided. The internal locking mechanism permits the golf ball tee neck to adjust to a desired height while still supporting the weight of a golf ball.
Creative Golf Innovations Llc

Golf club head having optimized ball speed to ct relationship

A golf club head comprising a body, a variable face thickness pattern, and a plurality of solid metal stiffening rods, and which satisfies the equation vballnorm≧0.0356x+140.82, is disclosed herein. The body comprises a face, a sole, and a return section, and defines a hollow interior.
Callaway Golf Company

Golf club head with structural columns

A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Iron-type golf clubs and golf club heads

An iron-type golf club head includes a ball striking face and a rear weight member that are engaged through one or more resilient members with a connection structure that creates a mass-damping effect at impact with a golf ball.. .
Karsten Manufacturing Corporation

Golf ball

The invention provides a golf ball having a core and a cover of one or more layer encasing the core, wherein, letting hu-a and hu-b be respectively the martens hardnesses measured at positions 100 μm and 200 μm inward from a surface of an outermost layer of the cover and toward a center of the core, and letting hu-c be the martens hardness measured at a position 100 μm from an inner side of the outermost cover layer and toward the surface, hu-a or hu-b is harder than hu-c.. .
Bridgestone Sports Co., Ltd.

Biodegradable materials and methods of making the same

Biodegradable materials and methods of their manufacture. Certain embodiments of the biodegradable materials include a crustacean shell material, at least one of gelatin, glycerin, and sorbitol, and water, wherein the biodegradable material is characterized in that, when it is exposed to water for an extended period of time, the material at least partially decomposes.
University Of Maine System Board Of Trustees

Golf ball

A dimple pattern of each hemisphere of the golf ball 2 includes three units rotationally symmetrical to each other.. .

Golf ball

A golf ball 2 includes an inner core 4, an outer core 6, a mid layer 8, and a cover 10. A diameter d1, a volume v1, a hardness h1o at a central point, and a boundary inside hardness h1in of the inner core 4; a volume v2, a boundary outside hardness h2out, and a surface hardness h2s of the outer core 6; a thickness tm and a hardness hm of the mid layer 8; and a thickness tc and a hardness hc of the cover 10 meet the following mathematical formulas (1) to (4): 1.0<v2/v1<7.0 (1); −2<h2s−h2out<2 (2); 600<(h1o+h1in)*(d1/2)/2<1000 (3); 620<tc*hc*hm/tm<900 (4).
Dunlop Sports Co. Ltd.

Two-piece golf ball

In the mathematical formula, n represents a total number of the dimples 8, so represents a ratio of a total area of all the dimples 8 relative to a surface area of a phantom sphere of the golf ball 2, and bb represents an average (mm) of thicknesses b of the cover 6 immediately below deepest points of the dimples 8.. .

Golf ball

The invention provides a golf ball having a core and a cover of one or more layer encasing the core, wherein the cover has an outermost layer molded of a thermoplastic material selected from the group consisting of polyurethane, polyurea and mixtures thereof and, letting the absorbance peak heights near a wave number of 1512 cm−1 measured by the attenuated total reflectance method in fourier transform infrared absorption spectroscopy (ft-ir/atr spectroscopy) at an outside portion and an inside portion of the outermost cover layer be respectively p1 and p2, the value p1−p2 is at least 0.02.. .
Bridgestone Sports Co., Ltd.

Golf ball

An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots, exhibiting an excellent spin performance on approach shots under a dry condition and a wet condition, and showing an excellent shot feeling and durability. The present invention provides a golf ball comprising a golf ball body having a spherical core, an intermediate layer and a cover, and a paint film composed of two or more layers, wherein a 10% elastic modulus difference (min−mout) between an innermost layer and an outermost layer of the paint film is 25 kgf/cm2 or more..
Dunlop Sports Co. Ltd.

Impact and sound analysis for golf equipment

Golf performance and equipment characteristics may be determined by analyzing the impact between a golf ball and an impacting surface. In some examples, the impacting surface may be a golf club face.
Karsten Manufacturing Corporation

Golf club head having face stress-reduction features

A golf club head comprising a body, at least one weight cartridge, and a plurality of hollow tubes is disclosed herein. The body comprises a face section, a sole section, and a return section, and also defines a hollow interior.
Callaway Golf Company

Golf club head with structural columns

A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Golf ball

A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A difference dh in hardness between a surface and a central point of the core 4, a thickness tm and a hardness hm of the mid layer 6, a thickness tc and a hardness hc of the cover 8, and an amount of compressive deformation sb of the golf ball 2 meet the following mathematical formulas (dh*hm)/(hc*tc)>80 and ((sb*tc)/(hc*hm*tm))*1000>0.75.
Dunlop Sports Co. Ltd.

Two-piece golf ball

In the mathematical formula, nf(2)1 represents a secondary natural frequency of the core 4, and nf(2)2 represents a secondary natural frequency of the golf ball 2. A difference (h1s−h1o) between a shore c hardness h1s at a surface of the core 4 and a shore c hardness h1o at a central point of the core 4 is equal to or greater than 10.

Golf ball

A dimple pattern of each hemisphere of the golf ball 2 includes three units that are rotationally symmetrical to each other. A dimple pattern of each unit includes two small units that are mirror-symmetrical to each other..

Golf ball

An object of the present invention is to provide a golf ball showing an increased spin rate on approach shots under a wet condition while maintaining a spin rate on approach shots under a dry condition. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a multi-layered construction composed of two or more layers, and a difference (mout−min) between a 10% elastic modulus (mout) of an outermost layer of the paint film and a 10% elastic modulus (min) of an innermost layer of the paint film is 25 kgf/cm2 or more..
Dunlop Sports Co. Ltd.

Golfing aid, training golf club, and training golf ball

A club mountable golfing aid is operable to indicate to a golfer a location at which a training golf ball contacts a striking surface of the club mountable golfing aid when the club mountable golfing aid is mounted on a golf club. The club mountable golfing aid includes an attachment mechanism that is configured to mount the club mountable golfing aid to a head of a golf club.
Fighting Golf, Llc

Golf tee with ball support

A golf tee that includes a stake that has an insertion end and a crown for supporting a golf ball. The crown is supported by the stake opposite the insertion end.
Green Keepers, Inc.

Multi-layer core golf ball

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a layer formed from a highly neutralized polymer composition and a layer formed from a thermoset rubber..
Acushnet Company

Golf ball

Rs≧−2.5*so+273  (1). .

Golf club head with structural columns

A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Centerline face-forward putting

A method for a golfer to putt a golf ball over the surface of a green toward a hole comprises selecting a target line on the green, assuming a stance next to the ball facing the hole, addressing the ball by gripping the shaft of a putter and positioning it behind the ball with the hands generally facing toward one another in front of and facing the golfer's body, executing a backstroke by drawing the hands toward the body's vertical centerline to swing the arms rearwardly about an axis of rotation through the shoulders to take the putter head away from the ball along a rearward extension of the target line, and transitioning to and executing a forward stroke by moving the hands in a forward direction away from the golfer's body to swing the arms about the axis of rotation to stroke the putter head to strike the ball for rolling it along the target line.. .
On Cue Golf Inc.

Golf ball having a thermoplastic positive hardness gradient inner core layer and a thermoset shallow positive hardness gradient outer core layer

A golf ball has an inner core layer including a thermoplastic highly-neutralized ionomer and having a geometric center hardness less than a surface hardness to define a first positive hardness gradient. An outer core layer is formed about the inner core and includes a homogenous thermoset composition.
Acushnet Company

Golf ball incorporating at least one layer of plasticized neutralized acid polymer composition containing low molecular weight acid wax(es) as sole acid polymer component and making

A golf ball comprising at least one layer comprised of a neutralized acid polymer composition consisting of a mixture of: (a) at least one low molecular weight acid-containing wax; (b) at least one non-acid-polymer; (c) at least one organic acid or salt thereof; and (d) at least one plasticizer. Each low molecular weight acid-containing wax may have a molecular weight of from about 500 to about 7000, and in some embodiments, the molecular weight may be considered low up to 30,000.
Acushnet Company

Golf ball incorporating at least one layer of neutralized acid polymer composition containing low molecular weight acid wax(es) as sole acid polymer component and making

A golf ball comprising at least one layer comprised of a neutralized acid polymer composition consisting of a mixture of: (a) at least one low molecular weight acid-containing wax; (b) at least one non-acid-polymer; and (c) at least one organic acid or salt thereof. Each low molecular weight acid-containing wax may have a molecular weight of from about 500 to about 7000, and in some embodiments, the molecular weight may be considered low up to 30,000.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a golf ball wherein each hemisphere has a dimple pattern based on a pyramid having dissimilar sides. The resulting overall dimple pattern is not based on preexisting polyhedral, and is not attainable using conventional dimple packing methods..
Acushnet Company

Systems and methods for fitting golf equipment

A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one embodiment, golf fitting includes collecting data related to the golfer's swing and determining if the golfer's swing technique should be modified based at least in part on the collected swing data.

Resin composition for golf ball and golf ball

The present invention provides resin compositions for golf balls which have excellent flexibility, fluidity, and resilience, and golf balls formed from the resin compositions. The present invention relates to a resin composition for golf balls including a polymer that contains a diene polymer moiety and a carboxylic acid-based moiety wherein carboxyl groups derived from the carboxylic acid-based moiety are neutralized..

Golf club having multicolored alignment apparatus

A putter head for a golf club includes a base having a putter face for striking a golf ball. A projection extends from the base.

Iron type golf club head

Iron-type golf club heads are disclosed having a heel portion, a sole portion, a toe portion, a top-line portion, a front portion, a rear portion, and a striking face. The iron-type golf club heads include a localized stiffened region that is located on the striking face of the club head such that the localized stiffened region alters the launch conditions of golf balls struck by the club head in a way that wholly or partially compensates for, overcomes, or prevents the occurrence of a rightward deviation.

Golf club head with structural columns

A golf club head having multiple structural columns is disclosed herein. A body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.

Golf ball

The golf ball 2 further includes a plurality of small dimples each having an area of less than 8.0 mm2 and a plurality of large dimples each having an area of equal to or greater than 8.0 mm2.. .

Golf ball

An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —o—c3h6—o— group..

Golf shirt with improved fit and contrast

The present invention is directed to a golf shirt with two laterally-opposed textile bands affixed thereto that are less stretchable than a textile used to construct the torso portion and the shoulder portion of the shirt. A first end of each band is adhered to a skirt of the collar portion, and a second end is adhered to a free end of the shirt.

Multiple sensor tracking system and method

A system and method for tracking the flight of golf balls at driving range. The invention includes a plurality of hitting stations, a plurality of sensors, a computer, and a range surface.
Origin, Llc

Inflatable putting green apparatus

An inflatable putting green apparatus includes a putting playfield that is selectively inflated or deflated. The putting playfield is inflated by forcing air into the putting playfield and deflated when the air is released from the putting playfield.

Multi functional golf tool

The invention relates to a multi functional golf tool that can be used to address a variety of circumstances that commonly arise during a game of golf. The multi functional tool includes a rectangular body having a proximal end, a tapered distal end being opposite said proximal end, the rectangular body having an arcuate cross-section along its entire length.

Putter face insert

A face insert comprising a planar member composed of a rigid material such as plastic or metal and a polymeric backing is disclosed herein. The planar member, which makes contact with a golf ball during use, includes a plurality of geometrically-shaped holes, each of which comprises a perimeter edge that has a variable radius to further optimize performance of the face insert.
Callaway Golf Company

Multi-layered cores for golf balls based on thermoplastic compositions containing non-acid polymers

Multi-layered golf balls containing a three-layered core assembly are provided. Preferably, at least one of the core layers is formed from a thermoplastic composition that comprises: a) thermoplastic non-acid polymer, and b) plasticizer.
Acushnet Company

Multi-piece solid golf ball

In a multi-piece solid golf ball having a two-layer core consisting of an inner layer and an outer layer, a cover, at least one intermediate layer between the core and the cover, and a paint film layer formed on the cover surface, each layer of the two-layer core is formed primarily of a rubber composition, the intermediate layer and the cover are each formed primarily of a resin material, the core has a hardness profile which satisfies specific conditions, and the sphere consisting of the core encased by the intermediate layer has a higher surface hardness than the ball. When used by mid- to high-level golfers, this ball achieves sufficient reduction in the spin rate on full shots with a driver, enabling the distance to be increased, and the spin performance on approach shots is excellent, enhancing the enjoyability of the game..
Bridgestone Sports Co., Ltd.

Golf ball with excellent interlayer adhesion between adjacent differing layers

golf ball and method for making it, comprising a first layer that comprises a first polymeric composition and is surrounded by and adjacent to a second layer comprising a second polymeric composition different than the first polymeric composition; with one of these layers further comprising at least one silane-containing adhesion promoter such as organosilanes and/or organosiloxanes throughout in an amount of from about 0.1 wt. % to about 5.0 wt.
Acushnet Company

Golf ball covers made from plasticized thermoplastic materials

Multi-layered golf balls containing a two or three-layered cover assembly are provided. In one embodiment, the cover assembly includes a relatively hard inner cover and relatively soft outer cover.
Acushnet Company

Golf ball resin composition and golf ball

An object of the present invention is to provide a golf ball resin composition having an excellent rebound resilience. The present invention provides a golf ball resin composition containing an ionomer resin as a resin component.
Dunlop Sports Co., Ltd.

Golf ball dimple plan shape

The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the plan shapes of the dimples thereon. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by low frequency periodic functions along a closed simple path.
Acushnet Company

Golf ball dimple plan shapes and methods of generating same

The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the plan shapes of the dimples thereon. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by low frequency periodic functions along a closed simple path.
Acushnet Company

Golf ball having surface divided by small circles

Provided is a golf ball having a surface divided by small circles. A surface of a sphere is divided by small circles to generate spherical polyhedrons in order to arrange dimples in the spherical polygons, instead of arranging dimples in spherical polyhedrons that are generated by dividing the surface of the sphere by great circles.
Volvik Inc.

Golf ball dimple plan shape

The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the plan shapes of the dimples thereon. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by low frequency periodic functions along a closed simple path.
Acushnet Company

Non-circular golf ball dimple plan shapes and methods of making same

The present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by superposed curves. In addition, the present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the dimple plan shapes and resulting dimple patterns..
Acushnet Company

Curvilinear golf ball dimples and methods of making same

The present invention is directed to golf balls having surface textures with unique appearances and improved aerodynamic characteristics due, at least in part, to the use of curvilinear dimple plan shapes. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by a number of convex or concave arcs that are derived from the vertices of a regular n-sided polygon..
Acushnet Company

Golf ball dimple plan shapes and methods of making same

The present invention is directed to golf balls having improved aerodynamic performance due, at least in part, to the selection of the dimple plan shapes. In particular, the present invention is directed to a golf ball that includes at least a portion of its dimples having a plan shape defined by high frequency periodic functions along a simple closed path.
Acushnet Company

Resin composition for golf ball cover

The present invention provides a resin composition for a golf ball cover, wherein, since the resin composition for a golf ball cover according to the present invention minimizes changes in physical properties due to temperature changes and improves restitution characteristics, the resin composition for a golf ball cover may reduce performance deviations of a golf ball due to seasonal temperature changes and may improve a spin rate of the golf ball.. .
Skc Co., Ltd.

Golf shot reference device

An elongate substrate strip of durable material with a top side having a linear arrangement of equally spaced circles each representing a regulation size golf ball; the circles being numbered consecutively for use as a reference to indicate ball position and/or foot position. The linear strip may be formed in two segments that are pivotally attached to one another to allow for pivotal swinging movement of one segment relative to the other so that the segments can be extended to a straight linear configuration, a right angle (90 degree) configuration and to a collapsed low profile configuration.

Golf balls having foam, hollow, or metal center and plasticized thermoplastic core layer

Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) made from a foam or metal-containing composition, or it has a hollow shell construction, and the outer core layer is made of a thermoplastic composition.
Acushnet Company

Golf ball incorporating at least one stiffened layer

golf ball comprising at least one layer ls comprising material lm formed from a polymeric composition and a plurality of liquid droplets that are formed throughout the polymeric composition by combining the polymeric composition and a liquid that is immiscible in the polymeric composition. The polymeric composition has a modulus ms1 and material lm has a modulus ms2 wherein (ms2/ms1)>1.
Acushnet Company

Multi-layer golf ball

Golf balls having at least one layer formed from a thermoplastic composition comprising a polymeric (meth) acrylate plasticizer are disclosed.. .
Acushnet Company

Golf ball

An object of the present invention is to provide a golf ball having an excellent spin performance on approach shots under a wet condition. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the cover is formed from a cover composition containing (a) a polyurethane and (b) a polyrotaxane as a resin component, and wherein (b) the polyrotaxane has a cyclodextrin, a linear molecule piercing through the cyclic structure of the cyclodextrin, and blocking groups located at both terminals of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via —o—c3h6—o— group..
Dunlop Sports Co. Ltd.

Golf swing ball impact teaching tool

A golf teaching tool to provide instant user feedback, while explaining and encouraging proper ball impact. The golf teaching tool includes a rectangular plate with a cutout section.

Groove pattern for a putter head

A putter head is provided. The putter head includes a putter face defining a groove pattern extending in a heel-to-toe direction of the putter face.

Golf club head having optimized ball speed to ct relationship

A golf club head comprising a body and a plurality of stiffening members and satisfying the equation vballnorm≧0.0356x+140.82 is disclosed herein. The body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Golf club head having optimized ball speed to ct relationship

A golf club head comprising a body and a plurality of stiffening members and satisfying the equation vballnorm≧0.0356x+140.82 is disclosed herein. The body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Multi-piece solid golf ball

A golf ball having a core, a cover and at least one intermediate layer therebetween satisfies specific conditions concerning the relative surface hardnesses of the core, the intermediate layer-encased sphere and the ball, and has a specific core hardness profile. Also, the value v/h, where v is the initial velocity of the ball and h is the deflection of the ball under specific loading, is set within a specific range.
Bridgestone Sports Co., Ltd.

Golf ball paint composition

A golf ball paint composition includes primarily a urethane paint made of a polyol and a polyisocyanate. The polyol is an acrylic polyol, and the composition has an elastic work recovery of at least 70%.
Asia Industry Co., Ltd.

Base-less, low-resistance driving range golf mat tee

The subject invention discloses a base-less, low-resistance driving range golf mat tee for supporting a golf ball when used in combination with a typical driving range golf mat. The base-less, low-resistance driving range golf mat tee is comprised of a tubular shaft member with a distal end extending upwardly and terminating at its proximal end at its proximal end top surface.

Adjustable training golf tee

An adjustable training golf tee is provided. The adjustable training golf tee may include a top body, a stem and a base.
Fits To A Tee Golf, Llc

Golf ball holder device

A golf ball holder device has a concave body made of a yieldably bendable material. The concave body is arcuate in shape both length-wise and width-wise so as to define an interior surface forming an interior cavity and an opening to the interior cavity through which a golf ball can be inserted into or removed from a snug gripping hold by the interior surface on the golf ball within the interior cavity of the concave body..

Golf ball multilayer core having a gradient quotient

Where g′ is the overall positive hardness gradient in shore c, t is the percent of trans-polybutadiene isomer at the core outer surface, and cor is the coefficient of restitution measured at an incoming velocity of 125 ft/s.. .

Golf ball

In a multi-piece solid golf ball having a core, a cover and an intermediate layer therebetween, letting hc be the jis-c hardness at the core center, h12 be the jis-c hardness at a position 12 mm from the core center and ho be the jis-c hardness at the core surface, the core has a hardness profile which satisfies the conditions 0≦h12−hc≦15, 15≦ho−h12≦30, (ho−h12)−(h12−hc)≧10 and 20≦ho−hc≦40. Also, letting a be the value represented by (ho−h12)−(h12−hc), the spin index of the ball, defined as the dynamic coefficient of friction for the ball multiplied by a, is at least 3.0.
Bridgestone Sports Co., Ltd.

Golf tee and beverage closure combination

A golf tee and beverage cap combination comprises a tubular concave twist off cap, having different methods of securement to containers, extending from its bottom a tapering member that ends in a pointed tip. The beverage cap and golf tee can either be one piece or connected to one another through a protruding member associated to the bottom of a beverage cap.

Golf club head having optimized ball speed to ct relationship

A golf club head comprising a body and a plurality of stiffening members and satisfying the equation vballnorm≧0.0356x+140.82 is disclosed herein. The body comprises a face section, a sole section, and a crown or return section, and defines a hollow interior.
Callaway Golf Company

Medium gradient multi-piece urethane covered golf ball

A golf ball includes a core having an outer surface and a geometric center; an inner cover layer, and an outer cover layer. The inner cover layer includes an ionomeric material and has a material hardness of about 60 shore d or greater.
Acushnet Company

Golf ball having medium positive gradient quotient and high trans content

Where g′ is the positive hardness gradient in shore c, t is the percent trans-polybutadiene isomer at the core outer surface, and cor is the coefficient of restitution of the core measured at an incoming velocity of 125 ft/.. .

Golf ball having medium positive gradient quotient and low trans content

Where g′ is the positive hardness gradient in shore c, t is the percent trans-polybutadiene isomer at the core outer surface, and cor is the coefficient of restitution of the core measured at an incoming velocity of 125 ft/s.. .

Dual core having thermoplastic inner core, thermoset outer core layer, and positive hardness gradient

A golf ball includes a thermoplastic hnp inner core layer having a center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is formed from a thermoset rubber composition.
Acushnet Company

Method for evaluating golf ball dimple effects

A method for evaluating dimple effects on a golf ball includes the steps of: setting up, in a computer, a geometric model representing a dimple that is a concave or convex region and a virtual airflow space which surrounds a periphery of the dimple model; generating a grid in the virtual airflow space and configuring the grid so as to be finer near the dimple model surface and coarser away from the surface; establishing a state where an air stream flows into the virtual airflow space; calculating the momentum thickness in a given plane passing through the dimple; and rating the dimple effects highly when the dimple model has a low momentum thickness. This method directly evaluates the shape of the dimples alone, and thus is simple and can shorten the evaluation time while ensuring good accuracy,.
Bridgestone Sports Co., Ltd.

Golf balls comprising a plasticized polyurethane layer

A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a plasticized polyurethane composition comprising at least one polyurethane and at least one plasticizer.. .
Acushnet Company

Golf balls having multi-layered covers made from plasticized compositions containing non-acid polymers

Multi-layered golf balls containing a three-layered cover assembly are provided. For example, a cover assembly having an inner cover, intermediate cover, and outer cover layer may be prepared.
Acushnet Company

Golf balls having metal-containing plasticized thermoplastic inner cores and thermoset outer cores

Multi-piece golf balls containing a dual-layered core structure are provided. The core structure includes a small, heavy inner core (center) having a relatively high specific gravity, and a surrounding outer core layer.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Impact point estimation apparatus

Provided is an impact point estimation apparatus for estimating an impact point on a face surface of a head when a golf club having a grip, a shaft and the head is swung and hits a golf ball. The apparatus has an acquisition unit, a calculation unit, and an estimation unit.
Dunlop Sports Co. Ltd.

System for generating a dynamic and interactive user-interface utilized to improve striking and putting golf balls

Methods and system generating data utilized to create, populate, and format a dynamic and interactive user interface for improving a golfer's driving and putting are disclosed. The system that may be utilized by golfers to improve ball striking and putting, comprising a base station, a server system, and a digital ball marker.

Golf swing analysis apparatus and method

A method and integrated golf club apparatus for directly measuring physical parameters of the golf club head motional acceleration swing forces, golf club head face, golf ball impact forces, and subsequent calculations of other metrics useful to a golfer's understanding of the effectiveness of his or her golf swing and impact result in totality. The physical parameters that are directly measured include three dimensional motion force vectors of club head prior to, during and after impact and full impact pressure force profiles across the golf clubface with respect to time.
Golf Impact Llc

Club heads with varying impact responses and related methods

Some embodiments include a golf club head. The golf club head includes a front body having a front body front portion with a front body front surface and having a front body rear portion, and includes a rear body having a rear body front portion, a rear body rear portion, and multiple protrusions.
Karsten Manufacturing Corporation

Golf ball manufacturing method

(2) washing off and physically removing excess isocyanate compound by blasting the cover surface with a specific substance at high pressure.. .

Golf balls having a center with surrounding foam outer core layer

Multi-layered golf balls having a dual-layered core and cover of at least one layer are provided. The dual-core construction includes a non-foamed inner core (center) made of a thermoplastic or thermoset composition such as polybutadiene rubber.
Acushnet Company

Multi-layer core golf ball

Golf balls having a very high positive gradient multilayer core are provided. The multilayer core includes an outer core layer and a very soft, low compression inner core layer.
Acushnet Company

Multi-layer core golf ball

Golf balls having a very high positive gradient multilayer core are provided. The multilayer core includes an outer core layer and a very soft, low compression inner core layer.
Acushnet Company

Multilayer core golf ball having hardness gradient within and between each core layer

The present invention is directed to an improved multi-layered core golf ball wherein each core layer comprises its own specific hardness gradient (positive, negative or a combination) in addition to an overall specific hardness gradient from one core layer to the next.. .
Acushnet Company

Golf balls incorporating crosslinked polymer compositions

golf ball incorporating polymer composition comprising: (i) a reaction mixture of ethylene-acid copolymer and c3-8 α, β-ethylenically unsaturated carboxylic acid(s); and (ii) poly-hydroxy crosslinking agent(s) such as polyvinyl alcohol, diols, glycols, sugar alcohols, and/or glycerols. Concentration of poly-hydroxy crosslinking agent(s) in polymer composition may be up to about 10% (or up to about 5%, or from 0.1% to about 2.5%, or from about 0.05% to 0.95%), by weight, based on 100% total weight of polymer composition.
Acushnet Company

Golf ball parting line configuration and mold

A golf ball comprises two generally hemispherical portions joined together at a parting line and comprising dimples on respective outer surfaces thereof. The parting line comprises a repeating pattern of curved segments alternating with straight segments.
Taylor Made Golf Company, Inc.

Golf club heads

Described are embodiments of golf club heads having an internal cavity and features that cause the golf club head to have an improved acoustic performance when striking a golf ball. Some embodiments include one or more weight tracks and/or weight ports formed in the sole for receiving adjustable weights.
Taylor Made Golf Company, Inc.

Golf club head having surface features that influence golf ball spin

A golf club head includes a body having a crown opposite a sole, a toe end opposite a heel end, a back end, and a hosel. The golf club head also includes a club face having a loft below a loft threshold in which increasing a coefficient of friction between a golf ball and the club face decreases the spin imparted on the golf ball after impact with the club face.
Karsten Manufacturing Corporation

Multi-layer golf ball

The present invention is directed to multi-layer golf balls including a layer formed from a composition comprising a relatively soft or low modulus hnp, a layer formed from a composition comprising a relatively hard or high modulus hnp, an inner cover layer formed from a thermoplastic composition, and an outer cover layer.. .
Acushnet Company

Golf ball

An object of the present invention is to provide a golf ball having an excellent flight performance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) an unsaturated fatty acid and/or a metal salt thereof excluding an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, and provided that the rubber composition further contains (f) a metal compound if only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms is present as (b) the co-crosslinking agent..
Dunlop Sports Co. Ltd.

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Golf swing analysis apparatus and method

An apparatus for analyzing a golf swing according to an exemplary embodiment of the present invention includes: a signal detecting unit including a doppler radar sensor which radiates a transmission wave to a golf club and a golf ball and detects a reflected wave, in which a first reflected wave of the golf club and a second reflected wave of the golf ball are mixed, and detects a frequency deviation between the transmission wave and the mixed reflected wave and generates an output signal; and a swing analysis information calculating unit configured to calculate a speed of the golf club and a speed of the golf ball by using the output signal.. .
Ucomm Technology, Co., Ltd.

Golf club alignment device

An alignment device for attachment to a golf club includes a pair of elongate guide rods removably connected to a striking face of a golf club head having a toe region and a heel region, the pair of elongated guide rods being relatively spaced to enable a golf ball to be positioned therebetween. A pair of connection plates attaches the pair of elongate guide rods to the striking face and an adhesive layer for mounting the connection plates to the striking face.

Device and method to precisely isolate and minimize direction errors for short putts

A device for practicing putting of a golf ball includes: an elongate base with opposed first and second ends and an upper surface; an elongate rail with an upper surface and opposed first and second ends, the rail mounted to the base such that the upper surface of the rail is positioned above and generally parallel with the upper surface of the base; a locating feature positioned adjacent the first end of the rail, the locating feature configured to provide a resting place for a golf ball; and a target area positioned near the second end of the base panel located adjacent the second end of the rail. Such a device can provide immediate and accurate feedback on putting errors committed by the user..
Outside The Leather, Llc

Method and simulated golf

Described herein are methods and apparatuses for simulating golf. For example, described herein is a system for simulating a golf game.
Full-swing Golf, Inc.

Golf balls having multi-layered covers based on castable thermoplastic polyurethanes

Golf balls having multi-layered covers are provided. Preferably, the ball includes an inner cover layer made of an aromatic polyurethane composition; and an outer cover layer made of an aliphatic polyurethane composition.
Acushnet Company

Golf tee with spark induction coating and improving golf performance

A golf tee having a contact alert coating cooperates with a golf ball and a golf club to provide a novel training aid that is economical, compact, and encourages proper golfing form. The golf tee has a golf tee body with a top plate, top wall and side walls.

Multi-piece solid golf ball

In a multi-piece solid golf ball having a rubber two-layer core consisting of an inner layer and an outer layer, a cover, and at least one intermediate layer therebetween, the inner core layer has a diameter of at least 30 mm, the difference in jis-c hardness between the center of the inner core layer and the surface of the outer core layer is at least 25, the ball satisfies the relationship a/b≦1.5, where a and b are the deflections of, respectively, the inner core layer and the two-layer core when compressed under specific loading conditions, and the intermediate layer has a higher material hardness than the cover. This ball enables mid- to high-level golfers both to achieve even longer distances and to maintain the spin performance on approach shots at a high level..
Bridgestone Sports Co., Ltd.

Golf ball

An object of the present invention is to provide a golf ball showing an increased spin rate on approach shots under a wet condition while maintaining a spin rate on approach shots under a dry condition. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a multi-layered construction composed of two or more layers, and a difference (min−mout) between a 10% elastic modulus (min) of an innermost layer of the paint film and a 10% elastic modulus (mout) of an outermost layer of the paint film is 25 kgf/cm2 or more..
Dunlop Sports Co. Ltd.

Golf vision discipline training system and method

An eyeglass assembly for training golfers includes first and second lenses that are opaque except at first and second viewing portions. The first viewing portion on the first lens provides a first eye of the user with a view of the target in a target region, such as the golf ball, while the second viewing portion provides a second eye of the user with a view not including the target region.

Multi-layer core golf ball

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center, an intermediate core layer, and an outer core layer.
Acushnet Company

Golf balls having multi-layered foam cores with structural inserts

Multi-layered, golf balls having a core made of a foamed composition are provided. The core preferably has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer.
Acushnet Company

Golf balls incorporating regenerating-type multi-functional antioxidants

Golf balls having at least one layer comprising a polymer composition comprising a reaction mixture of a base polymer and at least one regenerating-type multi-functional antioxidant. A regenerating-type multi-functional antioxidant has at least two differing moieties selected for example from the group consisting of phenols, phosphites, amines or combinations thereof, and is macromolecular, having a molecular weight of at least 2,000 g/mol.
Acushnet Company

Golf balls having a foam center

Multi-layered golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Golf-swing monitoring system

A system for automatically gathering information on a performance of an action involving an object being hit or struck, the system comprising at least one object contact sensor for detecting a contact with the object. Preferably one or more of the at least one object contact sensors comprises a shock and/or vibration sensor such as an accelerometer, and/or one or more of the at least one object contact sensors comprises a sound sensor; and the system is configured to at least partially detect shock and/or vibrations caused by contact with the object using the one or more shock and/or vibration sensors and/or at least partially detect sound generated by contact with the object using the one or more sound sensors to thereby detect contact with the object.
Shot Scope Technologies Limited

Golf ball resin composition and golf ball

An object of the present invention is to provide a golf ball resin composition having high resilience and flexibility. The present invention provides a golf ball resin composition, comprising (a) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer, (a-3) a ternary copolymer, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer, (b) a saturated fatty acid, (c) an unsaturated fatty acid, and (d) a carboxyl group modified diene polymer having at least two carboxyl groups and/or an anhydride of the carboxyl groups; and having a neutralization degree of more than 80 mole %, wherein a total amount of (b) the saturated fatty acid, (c) the unsaturated fatty acid and (d) the carboxyl group modified diene polymer ranges from 100 parts by mass to 200 parts by mass with respect to 100 parts by mass of (a) the resin component..
Dunlop Sports Co. Ltd.

Direction indicating device for putter

A direction indicating device for a putter according to the present invention corresponds to a direction indicating device for a putter having a putter head, comprising: a base member attached to one side surface of the putter head; and a direction indicating member detachably coupled to the base member wherein at least a part of the direction indicating member extends frontward of the putter head in parallel with the stroke direction of the putter head while being maintained at a level higher than a golf ball. According to the present invention as described above, since a user can visually identify an alignment state of the putter head at the time of putting, the user can easily move the putter head along a target line and thus can improve the accuracy of the putting..

Golf putter head with visual alignment aid and methods of manufacture

Embodiments for a golf club head comprising a body having a face, a back opposite the face, a heel, a toe opposite the heel, a crown, and a sole opposite the crown, a centerline perpendicular to the face and passing through a geometric center of the face, and an alignment aid disposed on a crown surface of the crown, the alignment aid comprising an alignment aid width, wherein the alignment aid width is approximately equal to a diameter of a golf ball, and a sight line disposed on the crown surface, the sight line being aligned with the centerline; wherein the alignment aid width is centered about the centerline.. .
Karsten Manufacturing Corporation

Golf balls incorporating at least one thermosetand/or thermoplastic layer/coating/film via reactive spray

A method of forming a golf ball comprising at least one layer consisting of at least one of a thermoset or thermoplastic composition comprising the steps of: providing a subassembly having at least one of an innermost surface or an outermost surface; providing at least one polymeric mixture pc comprising a plurality of particles having a softening, melting and/or reacting temperature mp; heating a fluid with a heat source that does not contact pc to a temperature mph wherein mp≦mph to form a heated fluid; softening, melting and/or reacting the plurality of particles by mixing each polymeric mixture pc with at least one heated fluid and forming at least one heated mixture pcs; and propelling each pcs onto at least one of the innermost surface or the outermost surface to form a thermoset and/or thermoplastic layer tmpl about the outermost surface which may be comprised of a heterogeneous composition. The thickness of tmpl may be from about 3 mils to about 0.10 in..
Acushnet Company

Golf ball

An object of the present invention is to provide a golf ball traveling a great flight distance. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the golf ball has a ratio (t2/t1) of a time (t2) to a time (t1) of 1.05 or more in a hitting test using a driver (at a head speed of 40 m/sec), wherein the time (t1) is a time taken from a moment that the driver begins to contact with the golf ball to a moment that the golf ball reaches a maximum deformation amount, and the time (t2) is a time taken from the moment that the golf ball reaches the maximum deformation amount to a moment that the golf ball leaves the driver..
Dunlop Sports Co. Ltd.

Golf ball cores having foam center and thermoset outer layers with hardness gradients

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane.
Acushnet Company

Golf ball having medium positive gradient quotient

Where g′ is the core positive hardness gradient in shore c, t is the percent of trans-polybutadiene isomer at the core outer surface, and cor is the coefficient of restitution of the core measured at an incoming velocity of 125 ft/s.. .

Golf ball

An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d1) an aromatic carboxylic acid or (d2) an aromatic carboxylic acid salt, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent..
Dunlop Sports Co., Ltd.

Illuminated golf

There is set forth herein one or more feature for providing illuminated golf. The one or more feature can comprise e.g., a golf cup apparatus having a light source bank, a golf flag apparatus having a light source bank, a wearable apparatus having a light source bank, an illumination providing golf ball and an apparatus for charging a golf ball having a light source bank..

Golf ball with rfid inlay in a molded impression

A compressible core with an rfid tag is described. The compressible core includes an rfid integrated circuit, a carrier material, a molded compressible core, and a fill material.
Edge Technology

After market metal golf club grip

An after-market golf club grip for attachment to the shaft of a golf club includes an elongate outer body and absorption means for absorbing vibration in the outer body when the golf club strikes a golf ball. The outer body defines a bore along its longitudinal axis to accommodate a golf club shaft.

Golf club configured for multiple adjustability

In some embodiments, an adjustable putter includes a club body defining a substantially planar face for striking a golf ball, and a hosel including a hosel neck and a hosel adapter configured to be received within a hosel chamber defined by the club body. The hosel adapter defines an interior channel.
Brainstorm Golf, Inc.

Golf club head

A golf club providing improved golf ball launch conditions is disclosed herein. The golf club includes a face component and a sole comprising an elongated recess disposed proximate the face component.
Callaway Golf Company

Golf ball cores made from plasticized thermoplastic compositions containing non-acid polymers

Multi-layered golf balls containing a two-layered core assembly are provided. Preferably, at least one of the core layers is formed from a thermoplastic composition that comprises: a) thermoplastic non-acid polymer, and b) plasticizer.
Acushnet Company

Golf ball compositions

The present invention is directed to thermoset rubber compositions comprising from 1 phr to 20 phr of a zinc ionomer. The thermoset rubber composition is used to form at least one layer of a one-piece, two-piece, or multi-layer golf ball..
Acushnet Company

Golf ball

An object of the present invention is to provide a golf ball having an excellent initial velocity when being hit at a head speed of 50 m/sec and an improved initial velocity when being hit at a head speed of 40 m/sec. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the golf ball has a rebound equivalence energy ratio (r40) ranging from 65.50% to 99.0% at a deformation amount of 7%, and a rebound equivalence energy ratio (r50) ranging from 20.0% to 70.0% at a deformation amount of 19%, in a compression test (measurement temperature: −70° c., compression speed: 30 mm/min) applying a load to the golf ball along a radial direction of the golf ball..
Dunlop Sports Co. Ltd.

Golf ball

An object of the present invention is to provide a golf ball having an excellent initial velocity when being hit at a head speed of 50 m/sec and an improved initial velocity when being hit at a head speed of 40 m/sec. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein the spherical core is formed from a core rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, (c) a crosslinking initiator and (x) a crosslinked rubber powder, and (x) the crosslinked rubber powder is formed from a rubber composition containing (a1) a base rubber, (b1) a co-crosslinking agent, (c1) a crosslinking initiator and (r) a resin component..
Dunlop Sports Co. Ltd.

Golf balls having layers made of silicone elastomers

Multi-layered golf balls having at least one layer made of a foamed silicone composition are provided. Multi-layered golf balls having at least one layer made of non-foamed silicone elastomer composition also are provided.
Acushnet Company

Golf ball compositions

Disclosed herein are multilayer golf balls having a layer with a higher shore c hardness and a lower shore d hardness than another layer.. .
Acushnet Company

Multi-layer golf ball

A multi-layer golf ball includes a core, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer. The core defines an outer surface that includes a plurality of polygonal land portions substantially aligned on a common sphere, which has a diameter of between 22 mm and 32 mm.
Nike, Inc.

Golf balls having foam inner core and thermoset outer core layer

Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane.
Acushnet Company

Golf training apparatus

Novel tools and techniques for teaching a player the proper alignment when addressing a golf ball. In one aspect, such tools and techniques provide an alignment aid that allows the player to visualize both the intended target line of the shot as well as the position of the ball relative to the player's stance, allowing the player to easily modify his stance to obtain the proper alignment..
Squared Up Corporation

Golf ball ejection device

A golf ball ejection device includes a generally cylindrical cup liner having an open top end, and a curved bottom end with an elongated hollow channel extending downward therefrom. A golf ball ejector is positioned at the bottom end of the channel and is in communication with a controller and a power source.

Metallized and masked golf ball and method

The present invention is directed to a metallized golf ball possessing a masked section and methods for achieving a metallized golf ball possessing a masked section. The invention provides a golf ball masking stand, which effectively masks a portion of a golf ball, allowing coatings to be applied to the golf ball, while preventing coating of the masked section.

Golf ball having oval dimples

Dla≧dsa  (2).. .

Apparatus and injection molding a golf ball

The present invention is directed to a retractable pin injection mold system and method of forming a layer of a golf ball using the system. By utilizing a radial gate along with stationary vent pins in the mold, the present invention allows for injection molding of a dimpled outer or inner layer having superior physical properties and more consistent aerodynamics..
Acushnet Company

Night golf system

A night golfing system provides an el wire for outlining features of a golf course, to facilitate night golfing. The system employs a specific color-coding scheme as follows: green—surrounds the surface of the green; yellow—surrounds the surface of the bunker; blue—surrounds or laid out to the side of the water hazard; red—surrounds or laid out to the side of the hazard line; white—used to outline the walking/riding path and the tee box.

Golf training apparatus

A golf training apparatus which provides technical information not inclusive of proper stance in relationship to the ball placement correcting poor foot alignment, speed and angle of proper golf club swing, proper foot placement, proper stance, club control, and targeted site alignment information to the golfer. The apparatus provides a straight line of site to the intended target to be hit by the golf ball projectile and simultaneously indicates proper position of the ball in relationship to the target to be hit, the golfer's feet and stance.

Thermoplastic polyurethane compositions for golf balls

(ii) a crosslinking agent.. .

Golf ball with built-in ic chip

A golf ball of the present invention includes a small-size ic tag including an ic chip and a first antenna directly connected to the ic chip and having a size of 5 mm or less; and a conductive second antenna of which a part is disposed near the ic tag. The ic tag and the second antenna do not need to be in physical contact with each other.
Bridgestone Sports Co., Ltd.

Golf balls having covers made from plasticized thermoplastic compositions containing non-acid polymers

Multi-layered golf balls containing a two layered cover assembly are provided. In one embodiment, the cover assembly includes a relatively soft inner cover and relatively hard outer cover.
Acushnet Company

Golf ball resin composition and golf ball

An object of the present invention is to provide a golf ball resin composition having high resilience and flexibility. The present invention provides a golf ball resin composition, comprising (a) at least one resin component selected from the group consisting of (a-1) a binary copolymer, (a-2) an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer, (a-3) a ternary copolymer, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer, (b) a saturated fatty acid, (c) an unsaturated fatty acid, and (d) an unsaturated aliphatic polycarboxylic acid; comprising (b) the saturated fatty acid, (c) the unsaturated fatty acid and (d) the unsaturated aliphatic polycarboxylic acid in a total amount ranging from 80 parts by mass to 200 parts by mass with respect to 100 parts by mass of (a) the resin component; and having a neutralization degree of more than 80 mole %..
Dunlop Sports Co. Ltd.

Golf ball having formed therein hit line for making fade shot or draw shot, and manufacturing method therefor

A golf ball having formed therein a hit line for making a fade shot or a draw shot, and a manufacturing method therefor and, more specifically, to a golf ball having formed therein a hit line for making a fade shot or a draw shot, and a manufacturing method therefor, the golf ball having a balance line, a fade line, and a draw line formed on the outer surface of the golf ball to thus unify a golfer's intended direction and the flying direction of the golf ball if a driving shot or a putting shot is made, thereby enabling putting with a precise hit and enabling a fade shot or a draw shot to be more effectively made. The present invention relates to a golf ball having a plurality of dimples and a bonding line formed on the outer peripheral surface thereof, wherein: a gravity center indication point for indicating the center of gravity of the golf ball is formed on the outer surface of the golf ball; a balance line passing through the gravity center indication point is formed; and a fade line for guiding a fade shot and a draw line for guiding a draw shot are formed on both sides on the basis of the balance line in a state of being spaced apart from each other at regular intervals..
Acegolf Co., Ltd.

Low dimple coverage and low drag golf ball

A golf ball has a lower drag than conventional golf balls due to the arrangement of dimples on the outer surface of the golf ball, which arrangement produces a correspondingly lower percentage of outer surface area that is covered by the dimples. In particular, dimple coverage area may be less than 70%, and more specifically between about 18.6% and about 60.8%, of the outer surface area.
George Washington University

Golf putting pad and game

In some embodiments, a golf putting pad may include a substrate, a boundary area extending about a periphery of the substrate, and a putting area extending over a portion of the substrate inside of the boundary area. The putting area may include a plurality of holes, each of which may be sized to receive a golf ball.

Device and launching a projectile across a range

A device and method for launching a projectile, such as a golf ball, across a range. The device enables a golf ball to be launched across a golf course with greater control than is possible with a traditional golf club.
Symtar Ventures

Head profile for a golf club iron

The head of a golf iron having an improved profile that enables a golfer to accurately align the club head with a golf ball so that the club head will strike the ball at the sweet spot located on the club face. The club head has a top edge which runs above the club face and includes first and second portions that extend in first and second directions.

Golf ball and manufacture

In a golf ball having a core and a cover, the core is formed of a rubber composition, has center and surface portions which are unfoamed regions and has an intermediate portion containing a foamed region. The core is produced by charging the rubber composition, which contains a blowing agent, into a first curing mold and curing under given conditions, then removing the molded rubber material in a semi-cured state from the first mold, transferring the semi-cured material to a second curing mold and curing under given conditions.
Bridgestone Sports Co., Ltd.

Multi-layer golf ball

Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer..
Acushnet Company

Golf ball incorporating at least one layer formed from a millable polyurethane rubber composition

golf ball comprising at least one layer having a shore d material hardness of from about 10 to about 55 and consisting of a millable polyurethane rubber composition comprising rubber consisting of: at least one polyether-based millable polyurethane rubber; at least one polyester-based millable polyurethane rubber; at least one polycaprolactone-based millable polyurethane rubber; or combinations thereof; wherein the millable polyurethane rubber composition is vulcanized. The rubber may be mixed/compounded with additional non-rubber ingredients such as at least one cross linking agent, peroxide initiator, filler, antioxidant, processing agent, light stabilizer, colorant, adhesion promotor, isocyanate and/or polyol, or combinations thereof.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Golf ball

Wherein h is a deformation amount, which is expressed by a compressive deformation amount of the golf ball; s is a virtual plane area, which is a surface area of the golf ball determined supposing that no dimple exists on the surface of the golf ball; and ps7 is a pressurized area, which is an area of the golf ball contacting a plane when a load of 6864 n is applied to the golf ball. The bottom of the dimple includes a center protruding portion with a curved shape protruding toward an outside of the golf ball..

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Dimple patterns for golf balls

The present invention provides a method for arranging dimples on a golf ball surface in which the dimples are arranged in a pattern derived from at least one irregular domain generated from a regular or non-regular polyhedron. The method includes choosing control points of a polyhedron, generating an irregular domain based on those control points, packing the irregular domain with dimples, and tessellating the irregular domain to cover the surface of the golf ball.
Acushnet Company

Golf ball selection using mobile computer device with camera

There is provided is a method and computer program product for selecting an appropriate golf ball for a subject by using a mobile computer device with a camera. The method includes: inputting information concerning hitting skill of the subject to the mobile computer device; performing a calibration of a distance and/or direction between two points in a screen of the mobile computer for shooting a moving image; shooting a moving image by the camera of the mobile computer device when the subject hits a golf ball by a golf club; determining a head speed of the golf club before an impact of the club and the ball from the shot moving image based on the calibration; computing a golf ball product having a suitable performance for the subject from the input information concerning hitting skill and the determined head speed, based on a database comprising data of information concerning hitting skills of players, data of head speeds before impact of club and ball, and data of performances of golf ball products which are correlated with each other; and displaying the computed recommended golf ball product on the mobile computer device..
Bridgestone Sports Co., Ltd.

Golf club head with sound damping

The present disclosure concerns embodiments of a badge and golf club head having a badge therein that can dampen the impact sound made when a hitting surface (a.k.a., face) of the golf club head impacts a golf ball. In one embodiment, a golf club head includes: a face portion surrounded by a topline portion, a toe portion, a sole portion and a heel portion, the face portion having a front striking surface and a back surface; and a badge coupled to the back surface of the face portion, the badge including a planar main body portion and at least one structural member extending outwardly from the main body portion, wherein the at least one structural member includes a lower portion and an upper portion disposed between the topline portion and lower portion, and wherein the at least one structural member has a maximum height, above the main body portion, at the lower portion and a minimum height at the upper portion..
Taylor Made Golf Company, Inc.

Apparatus and recovering golf balls

An apparatus and method for recovering golf balls is provided. The apparatus includes a hull for floating on the water, a motor mounted to the hull, a pumping system, pressure lines to deliver high pressure water and a return line.
Castaway Golf Technologies Inc.

Golf ball dimples exhibiting two distinct hardness regions derived from a single cover layer and methods of making same

The present invention is directed to a golf ball having a cover in which the dimples have two distinct hardness regions. The cover of the present invention is formed from a castable formulation including at least one prepolymer that incorporates some degree of unsaturation in the backbone of the polymer, at least one curative, and at least one free radical initiator.
Acushnet Company

Dual core golf ball having negative-hardness-gradient thermoplastic inner core and steep positive-hardness-gradient thermoset outer core layer

A golf ball includes a thermoplastic hnp inner core layer having a center hardness less than the surface hardness to define a positive hardness gradient. An outer core layer is disposed about the inner core and is formed from a thermoset rubber composition.
Acushnet Company

Dual core golf ball having positive-hardness-gradient thermoplastic inner core and positive-hardness-gradient thermoset outer core layer

A golf ball includes a thermoplastic inner core and a thermoset outer core layer. The inner core has a surface hardness of about 40 to 80 shore c and a center hardness of about 30 to 75 shore c, the center hardness being less than the surface hardness to define a first positive hardness gradient.
Acushnet Company

Golf ball

[solution] a golf ball includes a spherical core, a mid layer, an inner cover, and an outer cover. A hardness hm of the mid layer is greater than a hardness hinc of the inner cover which is greater than a hardness houc of the outer cover.

Golf ball

An ultra-low compression golf ball is disclosed herein. The core preferably has a pga compression less than 30.
Callaway Golf Company

Golf balls having at least two core layers formed from hnp compositions

The present invention is directed to golf balls consisting of a multi-layer core and a cover. The multi-layer core includes at least one layer formed from a relatively soft or low modulus hnp composition and at least one layer formed from a relatively hard or high modulus hnp composition..
Acushnet Company

Roll quality of putting green

In some embodiments, a system may include a golf ball having at least one accelerometer configured to generate signals proportional to acceleration along three axes and a microprocessor coupled to the accelerometer. The microprocessor may be configured to correlate the signals to produce a roll data file for each roll event of a plurality of roll events.



Golf Ball topics:
  • Magnetic Material
  • Hydrophobic Coating
  • Tetrafluoro
  • Superhydrophobic Coating
  • Polyhedron
  • Simulation
  • Carboxylic Acid
  • Elastomeric Material
  • Acid Anhydride
  • Fatty Acid Amide
  • Fatty Acid
  • Heterogeneous
  • Tracking System
  • Ion Source
  • Carbon Fiber


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