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Golf Ball patents

      

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

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.

Method of manufacturing a golf ball having a cover with network structure
The present invention provides a method of manufacturing a golf ball having a cover with network structure which includes the steps of forming a core layer and forming a cover layer to enclose the core layer. The method characterized in that the cover layer forming step includes the steps of: mixing 90 wt % of a surlyn resin with 10 wt % of a whisker reinforced material to form a whisker composition; mixing the whisker composition with another surlyn resin to form a cover layer material, wherein the content of the whisker composition is between 0.1 and 10 phr on the basis of 100 phr of the another surlyn resin; and injecting the cover layer material to form the cover layer with a whisker-based three-dimensional network structure.

Computerized detecting and depicting a travel path of a golf ball
A computerized method of detecting and depicting a travel path of a golf ball hit from a hitting station in a plurality of hitting stations at a driving range. The computerized method utilizes a plurality of sensors to detect shot launch parameters from a first field of detection, shot trajectory parameters from a second field of detection, and/or ground path parameters from a third field of detection.

Golf system
A golf system includes a striking area; a target area including a plurality of physical targets positioned at different locations relative to the striking area; and at least one sensing device for sensing parameters regarding the travel of a physical golf ball. A processor is configured to: access a database including golf hole data, the golf hole data defining relative positions of a tee-off location and a pin location for a virtual golf hole; based on the one or more parameters regarding the travel of the physical golf ball struck from the striking area, update a virtual location of a virtual golf ball on the virtual golf hole; and generate signals to provide an indication of which of the plurality of physical targets represents a direction of the pin location based on the virtual location of the virtual golf ball and the locations of the physical targets..

Golf club heads and methods to manufacture golf club heads
Examples of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a body portion of a golf club head may include a front portion.

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.. .

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.

Robot for assisting in playing golf
A robot for assisting a user in playing golf includes a self-propelled body, a memory device, a processor, a display device, a positioning device, a compass device, a lidar device and a doppler radar that cooperatively estimate a position at which a golf ball would likely land after a shot, and to display the estimated position on a golf course map for assisting the user to find the golf ball.. .

Method and personalized putting of a golf ball
A method and apparatus is provided that determines and simulates the proper putting stroke using at least aiming direction and speed for successfully making a particular putt based on particular putting green characteristics and the location of the golf hole on the putting green, and which is interactive with the user thereby providing an enhanced playing experience and improved putting results.. .

Precision pendulum putter
A putting stroke apparatus and method is provided that determines and simulates the proper putting stroke using at least an aiming direction and initial ball speed for successfully making a particular putt based on particular putting green characteristics and the location of the golf hole on the putting green. A pendulum putter apparatus is coupled with a putting diagnostic tool wherein the putting diagnostic tool determines at least an aiming direction and initial ball speed for a particular putt using inputs such as: (i) topographic information (e.g., contours) specific to the green; (ii) the green speed at a particular time; (iii) the golf hole location (i.e., the physical location of the golf hole); and (iv) the golf ball location on the green (i.e., the physical location of the golf ball)..

Performance golf tee

A performance golf tee is a support for a golf ball to offset the golf ball from a ground surface. The performance golf tee includes a tee shaft, a ball mounting support, a ground insertion spike and a directional indicator.

Golf balls having an inner core made of viscoelastic polyurethane

Golf balls having a multi-layered core made of a foamed composition are provided. The core assembly preferably includes a foam inner core (center) and surrounding outer core layer.

Golf tee with support prongs

A golf tee includes: an elongate shaft having opposed upper and lower ends, the lower end configured to be inserted into an underlying surface; and a support cup that is configured to support a golf ball from beneath and that merges with the shaft. The support cup has a base portion and further includes at least three arcuate support prongs projecting upwardly from the base portion.
Evolve Golf

Golf balls having an inner core made of latex rubber foam

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

Golf ball incorporating thin moisture barrier film having low normalized moisture vapor transmission rate

Golf ball incorporating at least one very thin moisture barrier film (monolayer film, bi-layer film or multi-layer film) comprising ethylene-based cycloolefin copolymer(s) and having a thickness of up to 0.009 inches as well as a normalized moisture vapor transmission rate (nmvtr) of less than about 5.0 g/(m2·day). The ethylene-based cycloolefin copolymer-containing moisture barrier film is disposed about and adjacent to an outer surface of a subassembly and is surrounded by at least one outer layer having an nmvtr that is greater than that of the moisture barrier film.
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, for example, an equilateral triangle or square..
Acushnet Company

Method and system for improving golf putting accuracy using a birdie-line golf glove and straight-edged putter grip

A method and system for improving the accuracy of putting a golf ball that includes a golf glove for use with a putter grip that has a straight edge, with the golf glove having a visual line alignment feature/illustration that allows a golfer to place his or her hand in a repeatable, proper position on the grip of the putter. The golf glove employed is devoid of any putter attachment feature, such as hook-and-loop fastener material on the glove or the golf grip and is further devoid of any indicia affixed to the back-hand portion of a glove that could be viewed as an alignment indicia, as it only complicates and confuses a golfer when putting.

Golf balls containing layers made from transparent polyamide and plasticizer compositions

Multi-layered golf balls having at least one layer made of a polyamide composition containing a plasticized polyamide are provided. In one preferred version, the polyamide composition consists essentially of a polyamide and plasticizer selected from the group consisting of polytrimethylene ether glycol and polytrimethylene ether glycol benzoate and monomers, oligomers, copolymers and blends thereof.
Acushnet Company

Golf ball compositions

Disclosed herein are polyurethane/urea golf ball compositions. The compositions comprise the reaction product of a polyisocyanate prepolymer, a reactive ultraviolet light absorber, and a chain extender.
Acushnet Company

Mixed reality golf simulation and training system

A mixed reality golf simulation and training system that can use, along with a user's existing standard golf equipment, a golf ball launch monitor to track the initial ball positional data, spin and acceleration, and simulate the complete ball path and location or use complete ball tracking data and displays the actual ball path and location. Mixed reality glasses allow the display of ball tracking data over the real world view and/or an immersive display of a simulated world view, depending on the user's head or view position.

Multi-piece solid golf ball

In a multi-piece solid golf ball having a core and four successive layers encasing the core—an inner envelope layer, an outer envelope layer, an intermediate layer and a cover, the inner envelope, outer envelope and intermediate layer are each formed of different highly neutralized resin materials, and the cover thickness is larger than the respective thicknesses of the inner envelope layer, outer envelope layer and intermediate layer. Also, the value (a)−(b) obtained by subtracting the material hardness (b) of the softest layer among the inner envelope layer, outer envelope layer and intermediate layer from the material hardness (a) of the cover is a shore d hardness of 13 or more.

Golf ball constructions incorporating thermoset and/or thermoplastic compositions comprising trigonal bipyramidally coordinated metal cations

Golf ball comprising layer(s) consisting of mixture of layer composition and trigonal bipyramidal coordination complex composition comprising trigonal bipyramidally coordinated metal cations. Example includes formula am1−xm′xm″yo3+y; a comprising at least one of mg, sc, y, ti, fe, zn, al, ga, in, sn, gd, td, dy, ho, er, tm, yb, or lu; m comprising at least one of mg, sc, y, ti, fe, zn, al, ga, in, sn, gd, td, dy, ho, er, tm, or yb; or a 1:1 mixture of ma and mb cations, wherein ma is at least one of zn, mg, or cu; and mb is at least one of ti or sn; m′ is at least one of mn, fe, al, ga, in; and m″ is at least one of mg, zn, or cu; and 0.8≥x.>0.0; and y is an integer from 0 to 15.

3-in-1 golf cup

A golf putting training device with a portable golf hole cut through a unique multidimensional triangular shaped device, in which the longest edge of the triangle is flat and can lay flush on an underlying surface and receive a golf ball smoothly. Device will have one corner of the triangle that is elevated creating one highest point sloping down to two low or flat points, or one flat edge.

Cleaning device

A golf equipment cleaning device is provided wherein the cleaning device selectively expels a pressurized fluid that a golfer may use at any point on the golf course. A golfer may use a hand pump to pressurize a container that comprises a fluid.

Acushnet Company

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Golf tee for guiding a ball

A golf tee for guiding the trajectory of a golf ball is described herein. The golf tee comprises a penetrating element located at the bottom of a stem which allows the insertion of the golf tee into the ground surface and an angled launch platform adapted to guide the ball when hit by a golf club.
Nova Strate Inc.

Golf ball

In a golf ball having a core and a cover of one or more layers, letting the core diameter be d (mm), the cover thickness be t (mm) and the core and ball deflections when compressed under a final load of 1,275 n (130 kgf) from an initial load state of 98 n (10 kgf) be e (mm) and b (mm), the following conditions are satisfied: (1) 30≥d/t≥24, (2) 4.1≥e/t≥2.6, and (3) 1.18≥eib≥1.09, and the core has specific hardness profile. This golf ball provides an excellent flight performance and a soft feel at impact when used by golfers whose head speed is not very fast, such as senior golfers and women golfers.
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.

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

(0.15)Σlarcs≤Σllines≤(0.50)Σlarcs.. .

Golf ball, system, and locating a golf ball

The invention relates to a golf ball (1), which has at least one transmitting and receiving antenna (10) and a position determination unit (11), which has a communicative connection to the transmitting and receiving antenna (10) and is designed to receive gps data, which specify the position of the golf ball (1). Furthermore, the golf ball has a communication unit (12), which has a communicative connection to the transmitting and receiving antenna (10) and is designed to transmit radio data, in particular the position of the golf ball (1).
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

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

Golf balls having a foam layer of a cross-linked thermoplastic composition

Golf balls having an inner core made of a foamed composition are provided. The core assembly preferably includes a foam inner core (center) and surrounding outer core layer.
Acushnet Company

Golf ball dimple plan shape

The present invention relates to golf balls having improved packing efficiency and aerodynamic characteristics and a high degree of dimple interdigitation. In particular, the present invention relates to a golf ball including at least a portion of dimples having a plan shape defined by low frequency periodic functions having high amplitudes.
Acushnet Company

Golf ball layers including a fatty acid (meth)acrylic acid salt

The present invention relates to the use of a fatty acid (meth)acrylic acid salt in a golf ball layer. The fatty acid (meth)acrylic acid salt may be added to one or more portions of a golf ball including a core, intermediate, or cover layer.
Acushnet Company

Golf marker apparatus, system, and use

Provided are various example hand-held golf marker devices that may be constructed to mark the location of a golf ball on a golf course with a liquid mark having a predetermined shape. The liquid mark does not interfere with other golf balls, and dissipates on its own after a short time, such as about two hours.
Clarence J. Venne, L.l.c.

Golf club head with flexure

A golf club head including a crown, a sole, a hosel, a face and a flexure. The face has a multi-component construction and is configured to provide varying stiffness while minimizing the change in thickness across the face.
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

Golf ball aerodynamic configuration

The present invention relates to golf balls, specifically to a golf ball comprising an aerodynamic pattern having novel shaped dimple structures which reduce the variation in airflow turning angle thereby improving the golf ball's flight performance. The dimple structures have a conical shaped base with a dimple in the center and reduced or no flat land areas between the dimples..
Acushnet Company

Digital information golf ball system

A golf ball locator and player ball strike information system includes a golf ball that utilizes a signal transmitter; one hand held electromagnetic signal receiver; and a cpu coupled to the receiver and configured to receive signals from the ball, to determine the location of the golf ball using signals produced by the ball, outputting at least one signal indicating the location of the golf ball in relation to a hand held device, and one signal relaying information during play of the ball last struck, showing but not limited to, spin rate, shot distance, speed, launch angle. All information is kept on an application for golfer use, but is not limited to computer devices, smart devices, hand held devices and the like..

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

Golf ball comprising a very-low melt flow inner cover layer composition

A golf ball including a core; an inner cover layer formed from a thermoplastic composition and having a thickness of about 0.005 inches to 0.40 inches and a surface hardness of about 60 shore d or greater; and an outer cover layer formed from a thermoset material and having a thickness of about 0.01 inches to 0.05 inches and a surface hardness of about 60 shore d or less. The thermoplastic composition has a first melt flow index at 280° c.
Acushnet Company

Golf ball elevator

A golf ball elevator facilitates retrieval of a golf ball by a golfer after the golfer strokes the golf ball into a golf hole cup on a putting green of a golf course.. .

Swivel golf tee

A swivel tee which is ineffective for aligning a golf ball and golf club with a target hole in a tournament tournament having a slender cylindrical removable spindle for supporting the swivel tee on the ground of an outdoor golf course, the slender cylindrical spindle having a pointed lower end portion for forcing said spindle into the ground and an upper end portion which is adapted to rotatable attach an arm for rotating a golf ball about an axis which passes through a center of the slender cylindrical spindle; an arm for connecting the spindle to a spherical seat on the arm which supports the golf ball; and an obstruction on the arm ahead of the golf ball for deflecting the golf ball away from a target hole if the golf ball it is struck by a golf club in a direction which points to the target hole.. .

Polyester-based thermoplastic elastomers containing plasticizers for making golf balls

Multi-layered golf balls having at least one layer made of a polyester composition containing a polyester thermoplastic elastomer and plasticizer are provided. The plasticizers help reduce the glass transition temperature (tg) of the composition and various plasticizers may be used.
Acushnet Company

Multi-layer golf ball

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

Golf ball having matte surface with improved visibility

Provided is a golf ball having a matte surface with improved visibility. Since the golf ball has a matte surface in comparison with a golf ball having a glossy surface of the related art, the golf ball has an advantage of preventing the golfer from being dazzled caused by reflection of a dimple surface.
Volvik, Inc.

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 dimples defined by superposed curves

The present invention is a golf ball which comprises dimples having a cross section defined by the superposition of two or more continuous and differentiable functions, and particularly the superposition of a catenary function and a witch of agnesi function. Additionally, the dimples preferably have a circular boundary and maintain an axis coincident with the center of the circular boundary..
Acushnet Company

Golf shoes with shift structure for shifting center of gravity of golfer

Golf shoes with a shift structure for shifting the center of gravity of a golfer include two shoe soles. Each shoe sole has a first raised portion at a right side thereof.

Taylor Made Golf Company, Inc.

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Golf putting game

A golf putting game using a mat is shown and described. The mat is visually demarcated into a center penalty zone, two surrounding penalty zones, and two outermost reward zones, with a simulated hole in the center penalty zone.

Putter striking face configuration to progressively reduce dispersion

A putter type golf club head having a frontal ball striking face that engages and grips a golf ball during the execution of a putting stroke to direct the golf ball in a straight line toward the intended target. The face includes a plurality of ball striking land areas and a plurality of adjacent and complimentary recessed channels that form an opening toward and on either side of the midpoint of the hitting area of the face.

Systems and methods for golf ball selection

A system for selecting a golf ball comprises a ballistics data input configured to receive ballistics data for a plurality of golf balls and for a plurality of launch conditions; a material data input configured to receive material measurement data for each of the plurality of golf balls; a data structure generation module configured to generate a data structure for each of the plurality of golf balls based on the ballistics data and measurement data; an indexing module configured to index the data structures relative to each other; a interactive feedback module configured to solicit and receive launch monitor data and preferences; a modeling module configured to generate a performance model based on the launch monitor data and preferences; and a selection module configured to select one of the plurality of golf balls based on the index and the performance model.. .
Gbt Technologies, Llc.

Golf ball compositions

Disclosed herein are polyurethane golf ball compositions. The compositions are prepared by adding a uv absorber to a polyol prior to reacting the polyol with an isocyanate to form a prepolymer, which is then reacted with a curing agent to form the polyurethane..
Acushnet Company

Golf ball with softer feel and high iron spin

Wherein the inner cover layer has a material shore d hardness that is at least 3 less than the material shore d hardness of the outer cover layer, and the inner cover layer has a thickness of less than 0.050 in.. .

Golf accessory holding unit

A golf accessory holding unit includes an upper portion having a golf tee holding portion and a golf ball marker holding portion. A lower portion is connected to the upper portion via a curved portion.

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 stopping device for simulating a putting green hole

The present disclosure is directed to a novel golf ball stopping device. The golf ball stopping device includes an upper plate, set at a height so it slows or stops a golf ball which rolls under the plate.

Hand wearable visual training aid device for golfing

A hand wearable visual training aid device worn by the hand of a golfer and for use with a golf club having a clubface is presented and described herein. The hand wearable visual training aid device includes a glove or hand strap and a clubface guide post mounted to the glove or hand strap.

Graphene core for a golf ball

A golf ball with a core comprising polybutadiene and graphene is disclosed herein. The golf ball has a single core comprising polybutadiene and graphene.
Callaway Golf 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

Rubber composition, crosslinked rubber molded product and golf ball

[in the formula (1), m is a metal atom, and l is a carboxylate represented by the general formula (2). In the formula (2), r is a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms or an alkynyl group having 2 to 18 carbon atoms, and the dotted line shows a resonance structure.

Dunlop Sports Co. Ltd.

. .

Multi-layered golf balls having foam center with selective weight distribution

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

Multi-layer golf ball

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

Golf ball

[in the formula (1), m represents a metal atom, r1 and r2 represent an alkenyl group having 2 to 30 carbon atoms, an alkynyl group having 2 to 30 carbon atoms, an alkyl group having 1 to 30 carbon atoms or an aryl group having 6 to 30 carbon atoms, and m represents 1 or 2.]. .

Golf ball

An object of the present invention is to provide a golf ball exhibiting good shot feeling and excellent resilience. The present invention provides a golf ball comprising a spherical core and one or more cover layers disposed outside the spherical core, wherein at least one layer of the cover layers contains: (a) a base resin containing (a-1) an ionomer resin and having a material hardness of 59 or more in shore d hardness; and (b) a polyrotaxane having a cyclodextrin with at least a part of hydroxyl groups of the cyclodextrin being modified with a caprolactone chain via —o—c3h6—o— group, a linear molecule piercing through a cyclic structure of the cyclodextrin, and blocking groups located at both terminals of the linear molecule to prevent disassociation of the cyclodextrin..
Dunlop Sports Co. Ltd.

Golf ball

An object of the present invention is to provide a golf ball having excellent shot feeling and resilience as well as improved durability and abrasion resistance. The present invention provides a golf ball comprising a spherical core and one or more cover layers disposed outside the spherical core, wherein at least one layer of the cover layers contains: (a) a base resin containing (a-1) an ionomer resin and having a material hardness of 58 or less in shore d hardness; and (b) a polyrotaxane having a cyclodextrin with at least a part of hydroxyl groups thereof being modified with a caprolactone chain via —o—c3h6—o— group, a linear molecule piercing through a cyclic structure of the cyclodextrin, and blocking groups located at both terminals of the linear molecule to prevent disassociation of the cyclodextrin..
Dunlop Sports Co. Ltd.

Rubber composition, crosslinked rubber molded product and golf ball

[in the formula (1), m is a metal atom, r is a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an alkenyl group having 2 to 18 carbon atoms or an alkynyl group having 2 to 18 carbon atoms, and n is an integer of 1 or more. A plurality of r and m may be identical to or different from each other.

Golf ball

To provide a golf ball that ensures both an improved durability and an extended flight distance, in which cracks or breakage of a core can be prevented while making the hardness of the core surface greater so as to obtain the greater difference in hardness between the core surface and the core center. The golf ball of the present invention includes a core and a cover that surrounds the core, in which the core includes a base rubber and an unsaturated carboxylic acid or its salt as a co-crosslinking agent, the core has a surface hardness of 80 or more in terms of jis-c hardness, and the unsaturated carboxylic acid or its salt contained in a region ranging from a surface of the core toward its center by less than 2 mm has an average particle diameter of less than 90 μm..
Bridgestone Sports Co., Ltd.

Golf ball

In a golf ball having a core and a cover consisting of a plurality of layers that encases the core, adhesion between adjoining cover layers is improved by judicious selection of the materials making up the cover layers, providing the ball with an improved durability to impact without diminishing the ball initial velocity.. .
Bridgestone Sports Co., Ltd.

Golf ball

An object of the present invention is to provide a golf ball comprising a cover excellent in color development over a long period of time. The present invention provides a golf ball comprising a core and a cover covering the core, wherein the cover is formed from a resin composition containing a first base resin and a fluorescent pigment, the fluorescent pigment is a dispersion having a fluorescent dye dispersed in a second base resin, and an absolute value (.
sp1−sp2

Golf ball

An object of the present invention is to provide a golf ball having good spin performance on approach shots and good shot feeling as well as excellent stain resistance by precisely controlling physical properties of a paint film actually formed on a surface of a golf ball body. 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 is such that a linear approximation curve obtained by a least square method has a slope in a range from 0.0015 to 0.0045 when a storage modulus (gpa) thereof measured by a nanoindentation method is plotted as a vertical axis against a measuring frequency (hz) as a horizontal axis, and that an elastic modulus thereof measured by a nanoindentation method ranges from 0.040 gpa to 0.600 gpa..
Dunlop Sports Co. Ltd.

Golf ball

An object of the present invention is to provide a golf ball having good spin performance on approach shots and good shot feeling as well as excellent stain resistance by precisely controlling physical properties of a paint film actually formed on a surface of a golf ball body. 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 is such that a linear approximation curve obtained by a least square method has a slope in an absolute value ranging from 0.0001 to 0.0020 when a loss tangent tan δ thereof measured by a nanoindentation method is plotted as a vertical axis against a measuring frequency (hz) as a horizontal axis, and that an elastic modulus thereof measured by a nanoindentation method ranges from 0.040 gpa to 0.600 gpa..
Dunlop Sports Co. Ltd.

Colored golf ball

A colored golf ball has improved luxurious appearance without impairing its visibility. The colored golf ball of the present invention includes a core; a cover placed around the core having dimples formed on its surface; and a coating layer placed on top of the cover, in which the coating layer includes a polymer matrix having a bright material dispersed therein, and an l0 value, which represents an l value in the lab color system of the colored golf ball before being covered with the coating layer, is 25 or less, and the difference Δl between the l0 value and an l1 value, which represents an l value in the lab color system of the colored golf ball after being covered with the coating layer, is 5 or more..
Bridgestone Sports Co., Ltd.

Golf ball

A golf ball 2 includes a core 4, a cover 8 positioned outside the core 4, and a paint film 10 positioned outside the cover 8. The paint film 10 includes an inner layer 12 and an outer layer 14 positioned outside the inner layer 12.
Dunlop Sports Co. Ltd.

Golf ball

A golf ball 2 includes a main body 4 and a paint layer 6 positioned outside the main body 4. The main body 4 includes a spherical core 8, a mid layer 10 positioned outside the core 8, and a cover 12 positioned outside the mid layer 10.
Dunlop Sports Co. Ltd.

Golf ball

A golf ball has arranged thereon one or more dimples having a cross-sectional shape specified by a particular sequence of steps, and the total number of dimples on the ball surface is from 250 to 380. This ball has a reduced air resistance during flight, enhancing the aerodynamic performance and enabling an increased distance to be achieved..
Bridgestone Sports Co., Ltd.

Golf ball

In a golf ball having numerous dimples on its surface, at least a given proportion of the dimples are optimal dimples having momentum thicknesses smaller than those of reference model dimples, thereby increasing the aerodynamic performance at the ball surface and enabling an improved flight performance to be achieved.. .
Bridgestone Sports Co., Ltd.

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 ball resin composition and golf ball

An object of the present invention is to provide a material from which a golf ball having excellent resilience and durability can be obtained. The present invention provides a golf ball resin composition containing: (a) at least one member selected from the group consisting of a polyamide, an ethylene-vinyl alcohol copolymer, a partially saponified product of an ethylene-vinyl acetate copolymer, and a polyvinyl alcohol, (b) at least one resin component selected from the group consisting of (b-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-2) a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-3) a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester, and (b-4) a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester, and (c) a fatty acid metal salt having 18 or less carbon atoms..
Dunlop Sports Co. Ltd.

Golf ball resin composition and golf ball

An object of the present invention is to provide a golf ball resin composition having improved rebound resilience performance. The present invention provides a golf ball resin composition containing: (a) a thermoplastic resin having an infrared absorption peak in a region from 3200 cm−1 to 3600 cm−1, and (b) at least one resin component selected from the group consisting of (b-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-2) a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (b-3) a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester, and (b-4) a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and an α,β-unsaturated carboxylic acid ester, wherein when a relaxation modulus er (−20° c., 9%) of the golf ball resin composition is measured under conditions of −20° c.
Dunlop Sports Co. Ltd.

Golf practice device

A golf chipping and putting training device supports a bucket at an angle for a golfer to practice chipping golf balls. The device includes a base support assembly configured to adjustably support the bucket at a selected angle.
I Get It, Llc

Low-interference golf tee saver set

A golf tee set with a keeper for preventing a golf tee from flying into a driving range or being lost, in which a first golf tee is tethered to a second golf tee, wherein a first point of attachment of the tether to the first golf tee is free of interfering force on at least the first golf tee, and wherein the tether is constructed of a filament having less weight, stiffness and resistance to twisting compared to a minimum weight, stiffness and resistance necessary to cause interference with the first golf tee loaded with a golf ball. In one embodiment, either tee can be used as an anchor, and the other tee played.

Golf ball

A golf ball includes a core and a cover. A difference (fb2−fc2) between a secondary natural frequency fb2 of the golf ball and a secondary natural frequency fc2 of the core is not less than 80 hz and not greater than 420 hz.
Dunlop Sports Co. Ltd.

Golf ball

A golf ball 2 includes a core 4 and a cover 6. A difference (fb2−fc2) between a secondary natural frequency fb2 of the golf ball 2 and a secondary natural frequency fc2 of the core 4 is greater than 420 hz and not greater than 760 hz.
Dunlop Sports Co. Ltd.

Golf ball

A golf ball 2 includes a core 4, a mid layer 6, a cover 8, and dimples 10. A shore c hardness hmc of the mid layer 6 is greater than a shore c hardness hs at a surface of the core 4.
Dunlop Sports Co. Ltd.

Golf ball

A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A hardness h75 at a point to which a distance from a central point of the core 4 is 75% of a radius of the core 4 is greater than a hardness h0 at the central point of the core 4.
Dunlop Sports Co. Ltd.

Golf ball incorporating highly crosslinked thermoset fluorescent microspheres and methods of making same

A golf ball comprising at least one layer consisting of a color-stable composition comprising a color concentrate composition comprising a carrier resin, at least one backer pigment and a plurality of highly crosslinked thermoset fluorescent microspheres having a hue that is substantially similar to a hue created by the at least one backer pigment. Each highly crosslinked thermoset fluorescent microsphere may be substantially spherical.
Acushnet Company

Dunlop Sports Co. Ltd.

. .

Method for making golf ball and golf ball made thereby

A method for making a golf ball includes: wrapping a sensing module with a polymeric band to produce a spherical core in which the sensing module is entirely enclosed by the polymeric band; molding a molding material to form an intermediate layer that surrounds the spherical core, wherein the polymeric band acts as a barrier to prevent the molding material from intruding into the sensing module through the polymeric band; and molding a shell to surround the intermediate layer. A golf ball is also provided, and includes a spherical core, an intermediate layer surrounding the spherical core, and a shell surrounding the intermediate layer.
Launch Technologies Co., Ltd.

Golf club head or other ball striking device having impact-influencing body features

A ball striking device, such as a golf club head, has a face member with a striking surface configured for striking a ball and a flange that comprises a portion of the crown. The flange being made of at least two members that are made of different materials, where a second material has a lower modulus of elasticity than the first material.
Karsten Manufacturing Corporation

Golf ball holder and method thereof

An apparatus has a golf ball holder including a receiver assembly having a resilient wall. The resilient wall is configured to: (a) form a stressed shape in response to the application of a stressing force to the resilient wall of the receiver assembly, and in the stressed shape, a golf ball is releasable from the receiver assembly; and (b) form an unstressed shape in response to the removal of the stressing force from the resilient wall of the receiver assembly, and in the unstressed shape, the receiver assembly is ready to receive and to hold the golf ball..

Process for making a golf ball with a built-in sensor

A process for making a golf ball includes steps of: a) providing a spherical hollow core which is made from a deformable resilient material, which defines a central chamber, and which includes left and right hemispherical bodies with contiguous circular surfaces having separated upper segments movable away from each other to permit placement of a sensing assembly into the central chamber, b) molding an intermediate shell layer at an elevated temperature that is lower than a softening point of the deformable resilient material to enclose the spherical hollow core, and c) molding a cover to enclose the intermediate shell layer.. .
Launch Technologies Co., Ltd.

Golf ball

A golf ball 2 includes a core 4, a mid layer 6 positioned outside this core, and a cover 8 positioned outside this mid layer. When a total thickness of the mid layer 6 and the cover 8 is denoted by l (mm), a shore c hardness at a point a away from a surface of the core 4 toward a central point of the core 4 by 5l (mm) is denoted by ha, a shore c hardness at a point b away from the surface of the core 4 toward the central point of the core 4 by 2.5l (mm) is denoted by hb, and a shore c hardness at the central point of the core 4 and shore c hardnesses of the mid layer 6 and the cover 8 are denoted by h0, hm, and hc, respectively; the golf ball 2 satisfies hc−hb>0, hm−h0>0, and ha−hm>0..
Dunlop Sports Co. Ltd.

Golf balls having dual-layered cores with metal-containing centers 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

5<hc−hs<20  (iv). .

Golf ball aerodynamic configuration

The present invention concerns golf balls having a modified aerodynamic configuration and a method for creating a modified aerodynamic configuration that improves dimple coverage, interdigitation, and non-alignment in golf ball dimple patterns by rotating the repeating area elements about their pre-determined center points, with further optional steps of expanding or contracting the elemental arrangements about their pre-determined center points, enlarging or reducing the sizes of dimples, and adding extra dimples to occupy land areas created by the previous steps. The resulting modified aerodynamic configuration with a rotated element has increased dimple coverage, greater interdigitation and improved non-alignment..
Acushnet Company

Golf ball aerodynamic configuration

The present invention concerns golf balls having a modified aerodynamic configuration and a method for creating a modified aerodynamic configuration that improves dimple coverage, interdigitation, and non-alignment in golf ball dimple patterns by rotating the repeating area elements about pre-determined center points, with further optional steps of expanding or contracting the elemental arrangements about pre-determined center points, enlarging or reducing the sizes of dimples, and adding extra dimples to occupy land areas created by the previous steps. The resulting modified aerodynamic configuration with a rotated element has increased dimple coverage, greater interdigitation and improved non-alignment..
Acushnet Company

Golf ball

A golf ball 2 has a large number of dimples 10 on a surface thereof. Fifteen axes are assumed for a phantom sphere of the golf ball 2.
Dunlop Sports Co. Ltd.

Golf putting training device

A golf putting training device is provided. The training device includes a body having a forward end, an aft end, an upper surface extending between the forward end and the aft end, at least one base surface that defines a contact plane, and a slot open through a portion of the upper surface and the forward end, and which slot has a width greater than the diameter of a golf ball.

Golf putting training device

A golf putting training device is provided. The training device includes a body having a forward end, an aft end, an upper surface extending between the forward end and the aft end, at least one base surface that defines a contact plane, and a slot open through a portion of the upper surface and the forward end, and which slot has a width greater than the diameter of a golf ball.

Simulation apparatus, simulation method, and simulation system

A simulation apparatus includes an obtaining unit configured to obtain a measurement result of a test shot of a first golf club performed by a testing golfer, and a calculation unit configured to calculate a simulated ball-striking result which is obtained if the testing golfer strikes a golf ball by a second golf club which has a specification different from the first golf club. The calculation unit determines a swing characteristic of the testing golfer based on the measurement result.
Bridgestone Sports Co., Ltd.

Golf 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

Multi-piece solid golf ball

In a multi-piece solid golf ball having a two-layer core with an inner core layer and an outer core layer, a cover, and at least one intermediate layer between the core and cover, the inner and outer core layers are formed of different rubber compositions, and the intermediate layer and the cover are formed of different resin compositions. The inner core layer diameter, the hardness relationship between the surface of the outer core layer and the center of the inner core layer, and the material hardness of the intermediate layer fall within specific ranges.
Bridgestone Sports Co., Ltd.

Multi-piece solid golf ball

In a golf ball having a core, an outermost layer and an intermediate layer therebetween, the intermediate layer is formed of a thermoplastic resin composition that includes (a) an ionic olefin-methacrylic acid-unsaturated carboxylic acid ester copolymer, (b) a nonionic olefin-acrylic acid copolymer, (c) an organic acid or a metal salt thereof, and (d) a basic inorganic metal compound, and the outermost layer is formed of a thermoplastic resin composition that includes (a) a specific ionic olefin-unsaturated to carboxylic acid copolymer and (h) a specific ionic olefin-unsaturated carboxylic acid-unsaturated carboxylic acid ester copolymer. The ratio (tan δ) between the tensile storage modulus (e′) and the tensile loss modulus (e″) in a dynamic viscoelasticity test on the outermost layer-forming resin composition conducted under specific conditions is not more than 0.150.
Bridgestone Sports Co., Ltd.

Golf ball

A golf ball contains, as a structural element therein, a molded and crosslinked material obtained from a rubber composition which includes: (a) a base rubber (b) an α,β-unsaturated carboxylic acid and/or a metal salt thereof, (c) a crosslinking initiator, and (d) a metal carboxylate in which the carboxylic acid bonded to metal is of two or more different types and at least one of the carboxylic acids has 8 or more carbon atoms. The rubber composition has an improved processability in kneading and other operations, and the decrease in the initial velocity of the ball core resulting from the inclusion of additives can be held to a minimum..
Bridgestone Sports Co., Ltd.

Rubber composition for golf balls and preparation thereof

A rubber composition for golf balls includes (i) a base rubber, (ii) an unsaturated carboxylic acid and/or a metal salt thereof, (iii) a crosslinking initiator, and (iv) cellulose nanofibers. This rubber composition can further improve the durability of the ball without requiring the use of high-cost fibrous substances as compounding ingredients.
Bridgestone Sports Co., Ltd.

Method and device for returning golf balls

A method and a device for automatically returning golf balls towards a golfer over a predefined track, in particular for putting training on golfing greens, in which distances from a golf hole are different, includes a motorized lifting device having lowered and lifted positions of the golf ball and controllable assemblies generating a driving force causing the golf ball to roll down from its lifted position along a specific length and guiding the ball to the golfer by using a position guidance system. Preferably, a microcontroller is associated with the force-generating assemblies for controlling the required length of the rolling down motion.

Golf club 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

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-piece solid golf ball

In a multi-piece solid golf ball which includes a core of at least one layer, a cover of at least one layer, and at least one intermediate layer interposed between the core and the cover, the cover is composed primarily of polyurethane and the following parameters are controlled within specific ranges: core deflection, melt flow rate of intermediate layer material, thickness of intermediate layer, thickness and shore d hardness of cover, combined thickness of intermediate layer and cover, and the value of (shore d hardness of cover material)−(shore d hardness of intermediate layer material). This golf ball has a good, soft feel at impact and lowers the rate of spin on full shots, achieving a good distance..
Bridgestone Sports Co., Ltd.

Polyurethane-ionomer hybrid resin composition for golf ball cover and golf ball including cover formed using the same

A polyurethane-ionomer hybrid resin composition for a golf ball cover having excellent elastic reaction force and backspin performance comprises 100 parts by weight of a modified ionomer having a number average molecular weight in a range of 1,000 to 2,400, provided as a reaction product generated by a reaction among a polyol including hydroxyl groups on opposing ends of the polyol, a monomer of acrylic acid or methacrylic acid having 2 to 3 functional groups, and zirconia, and modified in such a manner that a polyester oligomer in a zirconia complex state and a zirconia filled state is added to an ionomer resin to be reacted, and a portion of unsaturated carboxylic acid of an ionomer is neutralized to be zirconium and additionally polymerized to be the polyester oligomer; 20 to 40 parts by weight of a block polyurethane prepolymer with respect to 100 parts by weight of the modified ionomer; 70 to 100 parts by weight of the ionomer with respect to 100 parts by weight of the modified ionomer; and 1 to 10 parts by weight of a chain extender with respect to 100 parts by weight of the block polyurethane prepolymer.. .
Volvik Inc.

Golf ball

A golf ball 2 includes a main body 4 and a paint layer 6 positioned outside the main body 4. The main body 4 includes a spherical core 8, a mid layer 10 positioned outside the core 8, and a cover 12 positioned outside the mid layer 10.
Dunlop 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

Golf ball paint composition

A golf ball paint composition includes primarily a urethane paint containing polyol as a base resin and polyisocyanate as a curing agent. Two types of polyester polyol are used as the polyol, and the composition has an elastic work recovery of at least 70%.
Bridgestone Sports Co., Ltd.

Golf swing training aid

A golf training apparatus includes an elongated member having opposite first and second ends. A base is coupled to the first end of the elongated member; and the base includes an end portion to secure the apparatus in a stationary position so that the elongated member extends upward from the base.

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.
Tru2sports Llc

Golf club head nicluding impact influencing flexure joint

A hollow golf club head includes an inner surface and an outer surface, the golf club head further comprises a strike face operative to impact a golf ball, a body extending rearward from a perimeter of the strike face, and a flexure joint extending from the outer surface to the inner surface. The flexure joint includes a forward impact surface, a reaction surface in contact with the impact surface, and during an impact, the impact surface translates along the reaction surface to permit a controlled deflection of a portion of the strike face..
Karsten Manufacturing Corporation

Golf ball

An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, an intermediate layer and a cover, wherein a difference (hx+1−hx−1) between a hardness (hx+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (hx−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in shore c hardness, a surface hardness (hx+y) of the spherical core is more than 65 in shore c hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, a total thickness of a thickness (tm) of the intermediate layer and a thickness (tc) of the cover is 3 mm or less, and the cover has a highest hardness among the constituent members of the golf ball..
Dunlop Sports Co. Ltd.

Golf club training apparatus

An apparatus for viewing the position of a golf club head face relative to a golf ball includes one or more sensors and a wireless transceiver. The one or more sensors detect the position of the golf club head relative to the golf ball at a plurality of locations.

Golf ball launch monitor target alignment method and system

A golf ball launch monitor is disclosed that may be used with an alignment stick. The monitor has a default alignment and an image sensor adapted to capture an image of the alignment stick and communicate that image to a processor.
Wawgd, Inc.

Golf putter head for ensuring pure roll

A new golf putter head is disclosed, comprising an upper portion and a sole pillar, wherein the upper portion comprises a strike face and the bottom edge of the strike face is at a height within 0.375″ of the golf ball equator, and the sole pillar does not contact the ball at any point during the swing.. .

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 22 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≤2.0, 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, and the core hardness profile are optimized by the specific conditions. 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

In order to satisfy at a high level the golf ball flight and control performances relied on by professional golfers and skilled amateurs, this invention provides a multi-piece solid golf ball g having a core 1, a cover 3 and an intermediate layer 2 therebetween wherein, letting hc be the jis-c hardness at a center of the core, h12 be the jis-c hardness at a position 12 mm from the core center and ho be the jis-c hardness at a surface of the core, the core has a hardness profile which satisfies the condition (ho−h12)−(h12−hc)≥10; letting (ho−h12)−(h12−hc) above be a, the spin index of the ball, defined as the dynamic coefficient of friction of the ball multiplied by a, is at least 3.0; and the hardness profile index, defined as the deflection (mm) of the core when compressed under a final load of 1,275 n (130 kgf) from an initial load of 98 n (10 kgf) multiplied by a, is at least 40.. .
Bridgestone Sports Co., Ltd.

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

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

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

Exercise balance and flexibility method

A method for performing different balancing and squatting exercises that uses a kit includes a clip that attaches to the front edge of the brim on a hat or visor worn by the exerciser. Attached to the clip is a length adjustable string that attaches to a weight, such as a golf ball.

Golf club head having stiffening members and variable face thickness

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 ball retrieval apparatus

A golf ball retrieval apparatus for retrieving a golf ball from a cupped hole is provided. The golf ball retrieval apparatus comprises an outer tube and an inner shaft slidably receivable within the outer tube.

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 a hardness difference d1 (h75−h0) between a hardness h75 at a point located at a distance of 75% of a core radius from a center of the spherical core and a center hardness h0 of the spherical core is 15 or more and 35 or less in shore c hardness, a hardness difference d2 (hs−h75) between a surface hardness hs of the spherical core and the hardness h75 at the point located at the distance of 75% of the core radius from the center of the spherical core is −1 or more and 3.5 or less in shore c hardness, and a hardness difference d3 ((h0+h75)/2−h37.5) between a hardness of (the center hardness h0 of the spherical core+the hardness h75 at the point located at the distance of 75% of the core radius from the center of the spherical core)/2 and a hardness h37.5 at a point located at a distance of 37.5% of the core radius from the center of the spherical core is 0.5 or more and 6.5 or less in shore c hardness..
Dunlop Sports Co. Ltd.

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

Golf ball and manufacture

The invention provides a golf ball having a core and a cover of one or more layer encasing the core, wherein the core is formed of a rubber composition that includes a base rubber, a co-crosslinking agent and an organic peroxide. The core has a center portion and a surface portion that are unfoamed regions, and has an intermediate portion that contains a foamed region.
Bridgestone Sports Co., Ltd.

Golf ball

A golf ball includes a spherical core, and a cover covering the spherical core. The spherical core is formed from a rubber composition including a base rubber, a co-cross-linking agent, a cross-linking initiator, and an unsaturated fatty acid and/or a metal salt thereof, the co-cross-linking agent includes α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, the unsaturated fatty acid and/or metal salt thereof excludes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and a metal salt thereof, an unsaturated aliphatic carboxylic acid that forms the unsaturated fatty acid and/or metal salt thereof has a functional group other than a carboxy group and a carbon-carbon unsaturated bond, and the rubber composition further includes a metal compound when the co-cross-linking agent is only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms..
Dunlop Sports Co. Ltd.

Smart system for display of dynamic movement parameters in sport and training

A system that wirelessly integrates actual golf equipment with a computer and the internet to allow players remotely located from one another to play a competitive real or simulated game of golf. An individual player may opt to play solo or practice to improve basic golfing techniques.

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 a hardness difference d1 (h75−h0) between a hardness h75 at a point radially located at a distance of 75% from a center of the spherical core and a center hardness h0 of the spherical core is 10 or more and 27 or less in shore c hardness, and a hardness difference d2 (hs−h75) between a surface hardness hs of the spherical core and the hardness h75 at the point radially located at the distance of 75% from the center of the spherical core is 0 or more and 6.5 or less in shore c hardness..
Dunlop Sports Co. Ltd.

Golf ball dimple profile

The present invention concerns a golf ball having dimples with a cross-sectional profile comprising a conical top portion and a non-conical bottom portion. More particularly, the profiles of the present invention are defined by three independent parameters: dimple diameter (dd), edge angle (Φedge), and saucer ratio (sr).
Acushnet Company

Golf training aid simulating a grass cutting motion

A golf training aid simulating a grass whip consists of a club shaft, a neck portion, and a blade portion. The blade portion is connected to the club shaft via the neck portion.

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.

Laser golf putting guide

A laser golf putting guide is positioned behind a golf ball and illuminates a stationary straight line from behind the golf ball to the golf pin cup or hole. The stationary straight line assists the golfer in putting..

Golf balls having a core with surrounding intermediate foam layer

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

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 containing: (a) a base rubber, (b) an organic peroxide, and (c) water and/or a metal monocarboxylate. The core has a hardness profile which satisfies specific relationships between the jis-c hardness at the core center (cc), the jis-c hardness at a position 10 mm from the core center (c10) and the jis-c hardness at the core surface (cs)..
Bridgestone Sports Co., Ltd.

Golf ball

An object of the present invention is to provide a golf ball excellent in durability. The present invention provides a golf ball comprising a constituent member containing a crosslinked rubber component and a polyrotaxane component, wherein 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 ball cover coating composition and golf ball using the same

Provided is a golf ball manufactured using a golf ball cover coating composition that reduces the influence of external light on a golfer during outdoor use due to low surface gloss and reduces damage to the surface of the golf ball caused by external impact due to excellent impact resistance and cutting resistance.. .
Volvik Inc.

Golf ball dimple profile

A golf ball having dimples with cross-sectional profile shapes defined by the product of a base profile and one or more weighting functions, where at least two dimples are modified with a continuous weighting function having different base profiles is disclosed.. .
Acushnet Company

Method of making a golf ball incorporating at least one elongated thermoset layer

Method of making a golf ball comprising: providing a subassembly and a thermoset polymer composition; partially curing the thermoset polymer composition and elongating same while in a partial cure state; forming a layer about the subassembly comprising the thermoset polymer composition; and further curing the thermoset polymer composition. A moldable thermoset polymer composition may be elongated while in state of partial cure.
Acushnet Company

Golf balls incorporating double network cross-linked compositions comprising a base thermoplastic

Golf ball comprising at least one layer consisting of a double network cross-linked composition comprising a mixture of a base thermoplastic polymer composition and a double network polymer composition. The double network polymer composition comprises a plurality of particulates of a polymer composition that is elongated from 10% to 200%, or at least 50%, or at least 100% or at least 150% or 200% or greater during a partial cure state..
Acushnet Company

Golf balls incorporating double network cross-linked compositions comprising a base thermoset composition

Golf ball comprising at least one layer consisting of a double network cross-linked composition comprising a mixture of a base thermoset polymer composition and a double network polymer composition. The double network polymer composition comprises a plurality of particulates of a polymer composition that is elongated from 10% to 200%, or at least 50%, or at least 100% or at least 150% or 200% or greater during a partial cure state..
Acushnet Company

Graphene core for a golf ball

A golf ball with a core comprising polybutadiene and graphene is disclosed herein. The golf ball has a single core comprising polybutadiene and graphene.
Callaway Golf Company

Multi-piece solid golf ball

A multi-piece solid golf ball having a core, at least one intermediate layer encasing the core and at least one outer layer encasing the intermediate layer is characterized in that the intermediate layer is formed of a resin composition containing a specific acid-containing polymer or ionomer resin, and the outer layer is formed of primarily a polyurethane or a polyurea. The ball also has, between the intermediate layer and the outer layer, a bonding layer made of a polycarbonate and/or polyether-type aqueous polyurethane dispersion composition which includes a specific aqueous polycarbodiimide..
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.

Taylor Made Golf Company, Inc.

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Method for dyeing golf balls and dyed golf balls

A golf ball of a first color is dyed to a second color with an anionic or nonionic disperse dye. Either or both of a pigmented coating layer or an optional clear coating layer on the pigmented coating layer comprises a member selected from the group consisting of polyurethanes, polyureas, polyamides, and combinations thereof, which can be dyed by the anionic or nonionic disperse dye..
Nike, Inc.

Golf club

A golf club head includes a golf club body including a sole, a crown connected to the sole by a skirt, and a hosel connected to at least one other feature of the golf club body; a face connected to the a front end of the golf club body; and features allowing striking of a golf ball above the ideal strike location.. .
Taylor Made Golf Company, Inc.

Golf ball with soft feel

Wherein the core has a pga compression of less than 70, and the core/inner mantle layer/intermediate mantle layer combined construct has a pga compression of at least 30.. .

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.

Smart putter for golf club

Disclosed is a smart putter for a golf club including a putter head having a putting surface for putting a golf ball on one side thereof, a swing detecting unit that is provided in the putter head to detect a balance degree of the putter head, a communication module that is provided in the putter head to transmit balance degree data of the putter head detected by the swing detecting unit to an external device, and a control unit that stores the balance degree data of the putter head detected by the swing detecting unit and transmits the balance degree data to the communication module.. .
Idealink, Inc.

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 incorporating positive hardness gradient thermoset polyurethane outer cover layer

Golf ball comprising a positive hardness gradient core and an outer cover layer having a microhardness gradient and being formed from a thermoset polyurethane material throughout, and having: i) a treated region that is contacted with a thermoset polyurethane microhardness-increasing solution consisting of an isocyanate portion and at least one non-aqueous solvent; and ii) an untreated region that is not contacted with the thermoset polyurethane microhardness-increasing solution. The treated region comprises the isocyanate portion, whereas the untreated region does not comprise the isocyanate portion.
Acushnet Company

Durable large and regulation weight golf ball incorporating foamed intermediate layer

Large diameter golf balls having at least one foamed intermediate layer are provided.. .
Acushnet Company

Golf balls having multi-layered core with metal-containing center and thermoplastic outer layers

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

Dimple patterns with surface texture for golf balls

The present invention provides a golf ball having an outer surface comprising a plurality of dimples covering greater than 70 percent of the outer surface, wherein a plurality of the dimples incorporate directional surface texturing therein. The directional surface texturing preferably comprises substantially parallel channels or protrusions formed within the dimples.
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

Dunlop Sports Co. Ltd.

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Dunlop Sports Co. Ltd.

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Backyard tailgating golf game

A tailgating game assembly including a first platform, a second platform, a projectile a first deformable target, a second deformable target, a third deformable target, and a club. In use, the club is used to hit the projectile off of the platform towards the three deformable targets.

Golf balls comprising medium hardness gradient core

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

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

In the mathematical formula, lav represents an average value of distances l between the minute projections 18 and other minute projections 18 adjacent to the minute projections 18, and tav represents an average value of widths t of these minute projections 18.. .

Golf ball

A golf ball includes a spherical core, and a cover covering the spherical core. The spherical core is formed from a rubber composition including a base rubber, a co-cross-linking agent, a cross-linking initiator, an unsaturated fatty acid and/or a metal salt thereof, and an aromatic carboxylic acid and/or a metal salt thereof, the co-cross-linking agent includes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, the unsaturated fatty acid and metal salt thereof excludes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and a metal salt thereof, and the rubber composition includes a metal compound when the co-cross-linking agent contains only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms..
Dunlop Sports Co. Ltd.

Golf ball

An average value pav of pitches p between the minute projections 18 and other minute projections 18 adjacent to the minute projections 18 is not less than 10 μm and not greater than 2000 μm.. .

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.

Non-conforming golf balls

Golf balls having an initial velocity greater than 255 ft/sec and/or an overall distance of greater than 320 yards are disclosed. The golf balls comprise one or more core layers, one or more cover layers, and optionally one or more intermediate layers disposed between the core and the cover.
Acushnet Company

Golf balls having multi-layered cores with thermoset outer layer

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

Dunlop Sports Co. Ltd.

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Method and device for providing guiding for executing a golf swing

The present invention is related to a method and to a device for providing guiding to a user for executing a golf swing with a golf club on a golf ball towards a target, said method being implemented in an electronic device comprising a display in communication with a control unit, said display being placed in the line-of-sight of the user.. .

Ball for ball game and manufacturing the same

A golf ball including a spherical body, first regions, and second regions. The spherical body includes a core layer and a cover layer made from a synthetic resin covering the core layer.
The Yokohama Rubber Co., Ltd.

Golf ball

A golf ball 2 includes a core 4, a mid layer 6, a reinforcing layer 8, and a cover 10. When distances (%) from the central point of the core 4 to nine points and jis-c hardnesses at the nine points, which are obtained by dividing a region from the central point of the core 4 to the surface of the core 4 at intervals of 12.5% of the radius of the core 4, are plotted in a graph, r2 of a linear approximation curve obtained by a least-square method is equal to or greater than 0.95.
Dunlop Sports Co. Ltd.

Low compression golf ball

A golf ball includes a core, a mantle and a cover layer. The core includes polybutadiene and has a diameter of less than 1.45 inches.
Wilson Sporting Goods Co.

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 surface volume ratio that is equivalent between opposing hemispheres despite the use of different dimple geometries, different dimple arrangements, and/or different dimple counts on the opposing hemispheres.. .
Acushnet Company

Golf ball

Rs≧−2.5*so+273   (1). .

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, for example, an equilateral triangle or square..
Acushnet Company

Golf ball dimple plan shapes and methods of generating same

The present invention relates to golf balls having improved packing efficiency and aerodynamic characteristics and a high degree of dimple interdigitation. In particular, the present invention relates to a golf ball including at least a portion of dimples having a plan shape defined by low frequency periodic functions having high amplitudes.
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 ball dimple profile

The present invention concerns a golf ball having dimples with a cross-sectional profile comprising a conical top portion and a non-conical bottom portion. More particularly, the profiles of the present invention are defined by three independent parameters: dimple diameter (dd), edge angle (Φedge), and saucer ratio (sr).
Acushnet Company

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Dunlop Sports Co. Ltd.

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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 ball

Rs≧−2.5*so+273  (5). .

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

Buoyant, high coefficient of restitution (cor) golf ball having a reduced flight distance yet the perceived flight trajectory of regular distance high cor golf balls

Golf ball having cor of at least 0.810, specific gravity sgb of less than 1.00 g/cc, and initial velocity of at least 250 ft/s and comprising a first layer l1, a second layer l2 surrounding l1, and a third layer l3 surrounding l2. L1 is formed from at least one highly neutralized polymer and has first specific gravity sg1; l2 is formed from at least one partially neutralized polymer and has second specific gravity sg2; and l3 is formed from at least one of a thermoset or thermoplastic composition and has third specific gravity sg3.
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 course sand bunker with liner and making the same

A stabilized course sand bunker and method of making the same is disclosed. The soil making up the bunker is contoured and stabilized so that it is in the form of a pit having a downward angularly extending keyway surrounding the opening at the top edge of the pit.
Bunkersplus Llc

Digital verification of single stroke achievement

A single golf stroke achievement is forensically validated with minimal observer influence by digitally or electronically identifying a golfer and a golf ball, producing video recordings of the golf stroke, a subsequent flight of the ball, and arrival of the ball (if this occurs) at a target area which contains a golf cup, and detecting and recording entry of the golf ball into the cup (if this occurs).. .

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 putter

A golf putter and more specifically a putter head is configured to retrieve a golf ball from a cup on a putting green or to pick up a golf ball from any surface upon which the golf ball is resting. The putter head has a generally c-shaped configuration and defines a centrally located cylindrical channel sized to engage a golf ball and retain the golf ball at a lower end of the channel until removed by hand..

Golf ball

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

Multi-layer core golf ball

Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises at least one intermediate core layer formed from a metallic, composite, or inorganic/organic hybrid composition..
Acushnet Company

Low compression golf balls containing cores made of plasticized thermoplastic compositions

Low compression multi-piece golf balls having a solid core comprising at least one layer made of a plasticized thermoplastic composition are provided. Preferably, the ball has a compression of less than 60 and more preferably less than 50.
Acushnet Company

Golf club head with structural columns

A golf club head having at least one structural column 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 balls having a multi-layered core with a thermoset rubber center

Golf balls having a multi-layered solid core and multi-layered cover are provided. The center of the core is made of a thermoset rubber material and preferably has a positive hardness gradient.
Acushnet Company

Golf ball with encapsulated rfid tag

The golf ball includes an rfid tag, a substrate, a conductive ink, a single golf core material and a dimpled cover. The rfid tag includes an integrated circuit and an antenna.
Edge Technology

Golf ball tracking system

The invention discloses a golf ball tracking system, which includes a distributed sensor and processor system adapted to simultaneously track the trajectories of multiple golf balls hit by one of more golfers. The system is adapted to keep track of the location of the golfers to enable the allocation of shots to the correct golfer.
Alphawave Golf (pty) Ltd

Cart system for holding and retaining portable ball hoppers

A cart assembly that is designed to hold and transport one or more ball hoppers. The ball hoppers have baskets that are supported by legs.

Alignment aid

The invention relates to an alignment aid (10) for golfers which provides a reference means for ensuring optimal positioning of the feet, relative both to each other and a golf ball, for a given club selection. The alignment aid comprises a foot-positioning rail (12); a ball-positioning rail (14); and linking arms (16a, 16b, 18a, 18b).

Goldenyears tee

The goldenyears tee is designed for golfers in their golden years who have difficulty leaning, bending or squatting to tee up a golf ball. This golf tee is applicable for all golfers who have physical limitations as well as healthy golfers who desire not to, or cannot insert a conventional golf tee in the ground because of ground conditions.

Multi-layer golf ball

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

Golf balls having multi-layered core with thermoplastic outer layer

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

Golf ball layers including mono (meth)acrylate esters

The present invention relates to the use of a mono (meth)acrylate ester in a golf ball layer. The mono (meth)acrylate ester may be added to one or more portions of a golf ball including a core, intermediate, or cover layer.
Acushnet Company

Golf ball layers including a fatty acid (meth)acrylic acid salt

The present invention relates to the use of a fatty acid (meth)acrylic acid salt in a golf ball layer. The fatty acid (meth)acrylic acid salt may be added to one or more portions of a golf ball including a core, intermediate, or cover layer.
Acushnet Company

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 Holdings, Inc.

Golf ball dispenser

A system and method for dispensing golf balls is disclosed. Balls are received into a cylindrical tube, and are supported on a shelf that extends inwardly at a dimension that retains the balls when they are stacked vertically.

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

Golf ball

An object of the present invention is to provide a golf ball having excellent flying performance on driver shots. 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, (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 (e) a saturated fatty acid and/or a metal salt thereof, provided that the rubber composition further contains (f) 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.

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

Golf balls including at least one modified dimple group are disclosed. The modified dimple group comprises one or more modified dimples forming an axially symmetric pattern about a correction area centroid located on an axis of symmetry at a latitude greater than 0°, where 0° represents the hemispherical pole and 90° represents the equator.
Acushnet Company

Golf ball with rfid inlay between a split core

A compressible core with an rfid tag is described. The compressible core comprises an rfid integrated circuit, and an inlay material sandwiched between a top hemisphere and a bottom hemisphere.
Edge Technology

Golf balls and methods to manufacture golf balls

Embodiments of golf balls and methods to manufacture golf balls are generally described herein. In one example, a golf ball may include a face regions and a plurality of edge regions.
Parsons Xtreme Golf, Llc