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This page is updated frequently with new Golf Ball-related patent applications. Subscribe to the Golf Ball RSS feed to automatically get the update: related Golf RSS feeds. RSS updates for this page: Golf Ball RSS RSS


Apparatuses and methods relating to findable balls

Rf

Apparatuses and methods relating to findable balls

Apparatus and method of catching a golf ball

Apparatus and method of catching a golf ball

Date/App# patent app List of recent Golf Ball-related patents
01/22/15
20150024875
 Multi-layer core golf ball patent thumbnailnew patent Multi-layer core golf ball
Golf balls consisting of a multi-layer core and a cover are disclosed. The multi-layer core comprises at least one intermediate core layer formed from a thermoset composition other than diene rubber..
Acushnet Company
01/22/15
20150024874
 Golf balls having multi-layer cores based on polyalkenamer compositions patent thumbnailnew patent Golf balls having multi-layer cores based on polyalkenamer compositions
The present invention generally relates to golf balls and more particularly to golf balls having multi-layered cores comprising a thermoset rubber center, a thermoplastic intermediate core layer, and a thermoset rubber outer core layer. A cover layer is disposed about the multi-layered core.
Acushnet Company
01/22/15
20150024873
 Multi-layer golf ball patent thumbnailnew patent Multi-layer golf ball
Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer..
Acushnet Company
01/22/15
20150024862
 Golf practice aid patent thumbnailnew patent Golf practice aid
A practice aid for use by a golfer practicing hitting a golf ball (b) out of a sand trap. A disc (d) of predetermined diameter is placed on the top of the sand (s) with its leading edge either touching the underside of the golf ball or resting slightly behind it.
01/22/15
20150024860
 Apparatus and  catching a golf ball patent thumbnailnew patent Apparatus and catching a golf ball
An apparatus and method for catching a golf ball is disclosed herein. More specifically, the present invention discloses a compact golf ball catching apparatus having a first energy absorbing layer located at a frontal portion of the apparatus, a second energy absorbing layer located at a rear portion of the apparatus, and a frame adapted to connect the first and second energy absorbing layer as well as provide structural integrity to the first energy absorbing layer; wherein the first energy absorbing layer slows down the speed of a golf ball as it enters and penetrates the apparatus and hinders the golf ball's ability from exiting the apparatus post impact..
01/22/15
20150020377
 Apparatuses and methods relating to findable balls patent thumbnailnew patent Apparatuses and methods relating to findable balls
Golf balls for use with a system for finding golf balls and methods for making such golf balls. In the case of one exemplary golf ball, the ball includes a shell, a core material and a tag having a diode which is coupled to an antenna which has at least a portion formed from an elastic conductive material, such as an elastic conductive ink.
Rf Corporation
01/15/15
20150018128
 Multi-piece golf ball comprising low hardness gradient core patent thumbnailMulti-piece golf ball comprising low hardness gradient core
A golf ball includes a single core formed from a substantially homogenous rubber composition, an inner cover disposed about the core, and an outer cover. The inner cover includes an ionomeric material and has a hardness of about 60 shore d or greater.
Acushnet Company
01/15/15
20150018127
 Multi-layer golf ball patent thumbnailMulti-layer golf ball
A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of depressions extending from a spherical land portion.
Nike, Inc.
01/15/15
20150018126
 Multi-layer golf ball patent thumbnailMulti-layer golf ball
A multi-layer golf ball includes a core having an outer surface, and intermediate layer surrounding the core, and a cover surrounding the intermediate layer. The intermediate layer defines a radially inward facing surface that is flush with the outer surface of the core, and the cover defines the outermost surface of ball.
Nike, Inc.
01/15/15
20150018125
 Multi-piece solid golf ball patent thumbnailMulti-piece solid golf ball
In a multi-piece solid golf ball which has a core with a two-layer structure composed of an inner layer and an outer layer, and has over the core a cover of two or more layers that includes an intermediate layer and an outermost layer, the core inner layer is formed primarily of a specific thermoplastic elastomer, the core outer layer is formed of a rubber composition consisting primarily of a rubber material, and the hardness relationship between the core inner layer and the core outer layer and the hardness relationship between the intermediate layer and the outermost layer have been optimized. This golf ball has an excellent flight performance on full shots with a driver (w#1) and also has good controllability in the short game and a good durability..
Bridgestone Sports Co., Ltd.
01/15/15
20150018124

Multi-layer golf ball


A multi-layer golf ball includes a core, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer. The core defines an outer surface that includes a plurality of polygonal land potions substantially aligned on a common sphere, which has a diameter of between 22 mm and 32 mm.
Nike, Inc.
01/15/15
20150018109

Method and training a golf swing


Apparatus and methods for using a plurality of golf balls to train a person to swing a golf club are described. In accordance with one aspect of the present invention, the apparatus includes a ramp, a golf ball holder and a trigger, which may be mechanical or electrical.
01/15/15
20150013117

System for magnetically securing a golf ball mark holder to an article


A golf ball mark holder is secured to an intermediate material by placing a first clamping body and a second clamping body on opposite sides of the material. A first magnet is connected to the first clamping body and a second clamping body is connected to the second clamping body, causing the clamping bodies to become magnetically attracted to each other and clamp down upon the intermediate material.
01/08/15
20150011337

Golf ball cores based on polyalkenamer rubber having positive hardness gradients


Golf balls having a core comprising a polyalkenamer rubber composition are provided. The rubber composition may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber.
Acushnet Company
01/08/15
20150011336

Method of forming a cured elastomer and articles of the cured elastomer


A cured elastomer golf ball component is made by heating an elastomer compound containing an ethylenically unsaturated elastomer, an ethylenically unsaturated monomer, and first and second free radical initiators to a first crosslinking temperature t1 in a compression mold and partially crosslinking the elastomer, then heating to a second crosslinking temperature t2 and curing the elastomer component of the golf ball. Either: (i) the first initiator has a half-life of about 0.2-5 minutes at t1, the second initiator has a half-life of about 0.2-5 minutes at t2, and t2 is higher t1 by at least about 30° c.; or (ii) the second initiator's one-minute half-life temperature is at least about 30° c.
Nike, Inc.
01/08/15
20150011335

Method of forming a cured elastomer and golf balls


A method of forming a golf ball includes forming a pair of thermoplastic hemispherical shells from an elastomer compound including an elastomer and first, second, and third free radical initiators, with the elastomer being pre-crosslinked to a first crosslinking density, then positioning a spherical component between the hemispherical shells and compression molding and curing the hemispherical shells to a second crosslinking density around the spherical component. The method uses three different crosslinking temperatures..
Nike, Inc.
01/08/15
20150011334

Multi-layer golf ball


A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of protrusions extending from a spherical land portion.
Nike, Inc.
01/08/15
20150011333

Multi-layer golf ball


Multi-layer golf balls having a hard, high compression center, a relatively soft intermediate layer, and a stiff outer cover layer, are provided. The outer surface hardness of the intermediate layer is less than that of both the center and the outer cover layer..
Acushnet Company
01/08/15
20150011332

Multi-layer golf ball


A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of protrusions extending from a spherical land portion.
Nike, Inc.
01/08/15
20150011331

Multi-layer golf ball


A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of depressions extending from a spherical land portion.
Nike, Inc.
01/08/15
20150011330

Golf ball core


A golf ball core for use in a multi-piece golf ball includes a solid sphere and between 100 and 300 spaced polygonal protrusions extending from the solid sphere in a radially outward direction. The sphere is substantially formed from an ionomeric material, and has a diameter (d) of between 24 mm and 32 mm.
Nike, Inc.
01/08/15
20150011326

Strike plate of a golf club head


A strike plate of a golf club head has a striking zone and an elastic annular part defined around the striking zone and adjacent to the edge of the strike plate. Multiple annular grooves are formed in the elastic annular part on the rear face of the strike plate and are arranged at intervals.
01/08/15
20150008614

Method of manufacturing a multi-layer golf ball


A method of manufacturing a multi-layer golf ball includes injection molding a core from an ionomeric thermoplastic material such that the core has an outer surface that includes a plurality of protrusions extending radially outward from a spherical land portion, with each protrusion having a maximum height relative to the spherical land portion of between 0.15 mm and 2.0 mm. The core is then positioned between a first hemispherical shell and a diametrically opposed second hemispherical shell, which are each formed from a rubber material.
Nike, Inc.
01/08/15
20150007932

Method of manufacturing a multi-layer golf ball


A method of manufacturing a multi-layer golf ball includes injection molding a core from an ionomeric thermoplastic material such that the core has an outer surface with a plurality of polygonal land potions aligned on a common sphere and a plurality of grooves extending radially inward from the sphere. The core is then positioned between a first hemispherical shell and a diametrically opposed second hemispherical shell, which are each formed from a rubber material.
Nike, Inc.
01/08/15
20150007931

Method of manufacturing a multi-layer golf ball


A method of manufacturing a multi-layer golf ball includes injection molding a core from an ionomeric thermoplastic material such that the core has an outer surface that includes a plurality of depressions extending radially inward from a spherical land portion, with each depression having a maximum depth relative to the spherical land portion of between 0.15 mm and 2.0 mm. The core is then positioned between a first hemispherical shell and a diametrically opposed second hemispherical shell, which are each formed from a rubber material.
Nike, Inc.
01/01/15
20150005108

Cores made from thermoset and plasticized thermoplastic materials for golf balls


Multi-layered golf balls containing a two or three-layered core assembly are provided. In one embodiment, the core assembly includes an inner core (center) comprising a thermoset composition, an intermediate core layer; and surrounding outer core layer.
Acushnet Company
01/01/15
20150005107

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


A golf ball includes a core and a three-layer cover disposed adjacent the core. The three-layer cover includes an inner cover, an intermediate cover, and an outer cover.
Acushnet Company
01/01/15
20150005106

Multi-layer core golf ball


Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a zero or negative hardness gradient center that is hard relative to an intermediate core layer..
Acushnet Company
01/01/15
20150005105

Multi-layer core golf ball


Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer.
Acushnet Company
01/01/15
20150005104

Multi-layer core golf ball


Golf balls comprising a multi-layer core and a cover are disclosed. The multi-layer core comprises a center and an outer core layer that are both soft relative to a hard intermediate core layer.
Acushnet Company
01/01/15
20150005103

Multi-piece golf ball


An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. The present invention provides a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelop layers satisfies h1<h0<hn−1; where the envelope layers formed in order from the center side are referred to as the first envelope layer, the second envelope layer, the third envelope layer, the fourth envelope layer, .
Dunlop Sports Co., Ltd.
01/01/15
20150005102

Multi-piece golf ball


An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. The present invention provides a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelop layers satisfies h2<h0<hn−1; where the envelope layers formed in order from the center side are referred to as a first envelope layer, a second envelope layer, a third envelope layer, a fourth envelope layer, .
Dunlop Sports Co. Ltd.
01/01/15
20150005101

Organic acid-modified polymers for golf ball constructions and methods relating thereto


The invention is directed to a method of making a neutralized polymer composition (“npc”) suitable for a golf ball component comprising the steps of: providing an acid copolymer composition; soaking the acid copolymer composition in an organic acid to form a soaked polymeric composition wherein substantially all of the organic acid is absorbed within the acid copolymer composition; providing a cation source in an amount sufficient to neutralize the acid copolymer and organic acid; and melt processing the soaked polymeric composition and cation source to form a neutralized polymer composition. The invention also relates to a method of making a golf ball incorporating the npc made according to the inventive method and to the resulting golf ball..
Acushnet Company
01/01/15
20150005100

Non-ionomeric polymer compositions for golf ball constructions and methods relating thereto


The invention is directed to a method of making a neutralized non-ionomeric polymer composition (nnipc) suitable for use in a golf ball component comprising the steps of: providing a non-acid copolymer composition (nacc); soaking the nacc in an organic acid to form a soaked non-acid copolymer composition (snacc); providing a cation source in an amount sufficient to neutralize at least a portion of the organic acid; and melt processing the snacc and cation source to form the nnipc. The invention also relates to a method of making a golf ball incorporating the nnipc made according to the inventive method and to the resulting golf ball..
Acushnet Company
01/01/15
20150005092

Putt break visualization instrument and use thereof


A putt break visualization instrument useful for improving putting includes an elongated object such as a crossbar that extends from the shaft of a putter and is normal thereto. The golfer begins by addressing the golf ball.
01/01/15
20150005089

Golf swing measurement and analysis system


A golf club head may include a face with an embedded monolith having first and second sensors for measuring impact with a golf ball. The first and second sensors may output positive and negative pressure signals at the same time, caused by the impact, with the negative pressure indicating an outward bowing of the monolith whereas the positive pressure indicates an inward compression.
Golf Impact, Llc
01/01/15
20150005088

Pivotable boom golf swing improvement device


A golf swing practice and improvement device is disclosed for better training the golfing enthusiast to make straighter shots when hitting a golf ball, without hooking or slicing the ball. The device is provided with an adjustable boom assembly supported to provide three-dimensional positioning to a head guide assembly attached to the boom assembly.
01/01/15
20150005084

Two-environment game play system


A game-play environment includes a tee box, a range surface, and a monitor. The tee box is configured to permit a player to hit a golf ball onto the range surface.
Origin, Llc
12/25/14
20140378246

Dual cured castable hybrid polyurethane/polyurea system for use in golf balls


Compositions for golf balls that include polyurethane and polyurea linkages and that are crosslinked in the soft segments of the polymer backbone. In particular, the compositions of the invention, which are based on a polyurethane and/or polyurea prepolymers, have improved crosslink density from the crosslinking between the soft, unsaturated segments of the polymer backbone.
Acushnet Company
12/25/14
20140378244

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
12/25/14
20140378243

Golf club configured for multiple adjustability


In some embodiments, an adjustable putter includes a club body defining a substantially planar face for striking a golf ball, and a hosel including a hosel neck and a hosel adapter configured to be received within a hosel chamber defined by the club body. The hosel adapter defines an interior channel.
12/25/14
20140378240

A-lignsie golf training aid


The present invention is a golf training aid designed to completely and effectively instruct a golfer how to setup for a successful golf shot. The golf training aid includes a substrate having a predetermined geometrical shape, preferably rectangular, having visual indices, preferably imprinted on a top surface of the substrate, to aid the golfer in addressing a golf ball or setting up to execute a golf shot.
Simply Play Better Llc
12/25/14
20140378238

Systems and methods for fitting golf equipment


A golf equipment fitting system that uses advanced technology to not only objectively identify the optimum equipment for the golfer, but to also identify and help correct swing flaws so that the golfer can achieve optimum performance on the golf course. Thus, in one embodiment, golf fitting includes collecting data related to the golfer's swing and determining if the golfer's swing technique should be modified based at least in part on the collected swing data.
Max Out Golf Llc
12/18/14
20140371006

Golf teeing device


A golf teeing device. The golf teeing device preferably engages with a surface, such as an artificial golf mat, such that the user may conveniently place a golf ball to be hit.
12/18/14
20140371005

Negative hardness gradient cores made of polyalkenamer rubber for golf balls


Golf balls having cores with negative hardness gradients are provided. The cores are made of polyalkenamer rubber compositions that may further include other rubbers such as, for example, polybutadiene, polyisoprene, ethylene propylene rubber, ethylene propylene diene rubber, and styrene-butadiene rubber.
Acushnet Company
12/18/14
20140371004

Solid golf ball


The invention provides a solid golf ball which has a core of at least one layer and a cover of at least one layer. At least one layer of the core is formed primarily of polybutadiene and includes at least 0.05 part by weight of a polyurethane resin powder having an average particle size of not more than 2 mm per 100 parts by weight of rubber component.
Bridgestone Sports Co., Ltd.
12/18/14
20140371003

Golf ball layers based on polyalkenamer / ionomer/ polyamide blends


Multi-piece golf balls containing a core of at least one layer and cover of at least one layer are provided. At least one component is formed from a rubber composition comprising: i) about 10 to about 65 weight percent of a cycloalkene rubber having a trans-content of about 55% or greater and a melting point of 30° c.
Acushnet Company
12/18/14
20140367884

Method for forming golf ball and mold therefor


A method for forming a golf ball provides a core member comprising a core of a golf ball into a cavity of a mold so that the core member is supported by a movable holding pin disposed in the mold; forming a layer outside the core member by injecting a material of the layer into the cavity; and retracting the pin from the cavity into the mold during the material injection so that a portion projecting from a surface of the layer is formed by a tip of the pin, the projecting portion having a site area of at least 0.2% in relation to an entire area of the tip of the pin and having a height of at least 0.2 mm. This method can be implemented by controlling the retraction of the pin, or alternatively by using the pin having a predetermined indentation portion on the tip..
Bridgestone Sports Co., Ltd.
12/11/14
20140364253

Golf ball


The present invention is directed to golf balls having a diameter of greater than 1.68 inches and including at least one layer formed from an hnp composition.. .
12/11/14
20140364252

Golf ball having a hollow center


Golf balls including a spherical inner core shell layer formed from a thermoset or thermoplastic composition are provided. The shell layer has an outer surface, an inner surface, and an inner diameter to define a hollow center.
12/11/14
20140364251

Foam-core golf balls


A golf ball with a controlled moment of inertia and controlled spin rate is disclosed. The golf ball comprises a subassembly and a cover, the subassembly comprising an inner core and an intermediate layer, wherein the subassembly has a diameter of from about 1.45 inches to about 1.66 inches, the inner core has a diameter of less than about 0.75 inches, and the intermediate layer comprises a foamed polyurethane composition.
12/11/14
20140364250

Golf ball cores having foam center and thermoplastic outer layers


Golf ball multi-layered core sub-assemblies and the resulting golf balls are provided. The core structure includes a foam inner core (center); and intermediate and outer core layers.
12/11/14
20140364249

Golf balls having foam inner core and themoplastic outer core


Multi-piece golf balls containing a dual-core structure are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane.
12/11/14
20140364246

Golf swing measurement and analysis system


An integrated golf club and analysis system that measures and analyze the performance characteristics of both: 1) a free golf swing without impact with a golf ball and 2) a golf swing with ball impact analysis. Free swing analysis provides critical information needed to analyze swing style so that dynamics swing characteristics optimization can be evaluated throughout the entire swing without ball impact, while impact analysis provides critical information on ball impact location on the club face, however, they cannot be measured simultaneously since ball impact eliminates the ability to identify the swing metric peaks such as velocity if it were to occur after ball impact.
12/11/14
20140364244

Golf game and training apparatus


This disclosure is drawn to methods and apparatuses related to a golf game and training apparatus. Specifically, the disclosed apparatus relates to a ramped plane with a plurality of holes sized to hold golf balls.
12/04/14
20140357425

Golf ball with visible light-cured coating and method


A golf ball or other article of sports equipment is coated with a clear coating including a free radical-curable material and a photoinitiator that absorbs light in the visible light region of the electromagnetic spectrum to generate free radicals. The coating is cured with radiation in the visible light region of the electromagnetic spectrum.
12/04/14
20140357424

Golf ball with low density


A golf ball has a diameter of at least about 43.6 mm and a density of from about 0.85 g/cm3 to 1.05 g/cm3. The golf ball can be made of ionomer resin or a combination of ionomer resins, including highly neutralized polymers and highly resilient polymers as disclosed.
12/04/14
20140357423

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material and having a diameter of from about 7 mm to about 20 mm and a surface shore d hardness h1 of from about 30 to about 48; a core layer outward from the core center, the core layer including a second thermoplastic material and having a diameter of from about 25 mm to about 40 mm, a thickness of from about 7 mm to about 10 mm, a surface shore d hardness h2 that is greater than h1, and a 10-130 kg compression deformation of from about 2.6 mm to about 3.2 mm; an inner cover layer outward from the core layer, the inner cover layer including a third thermoplastic material and having a surface shore d hardness h3 of from about 55 to about 70; and an outer cover layer on the surface of the golf ball including a fourth thermoplastic material and having a surface shore d hardness h4 of from about 44 to about 56 and a 10-130 kg compression deformation of from about 2.3 mm to about 3.2 mm. The difference between the specific gravity of the core center and the specific gravity of the core layer is not more than about 0.5 g/cm3..
12/04/14
20140357422

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a thermoplastic core center, a thermoplastic core layer, and an inner cover layer and outer cover layer each including a thermoplastic polyurethane. The core center has a diameter of about 5-20 mm and a first flexural modulus of ≦about 8,000 psi.
12/04/14
20140357421

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center having a shell from about 1-6 mm thick defining an interior space about 12-24 mm in diameter, a core layer at least about 5 mm thick outward from the core center, and a cover. The shell includes a first thermoplastic material with first flexural modulus less than about 15,000 psi.
12/04/14
20140357420

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of 21-29 mm and a surface shore d hardness h1 less than about 55.
12/04/14
20140357419

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of 21-29 mm and a surface shore d hardness h1 of less than about 50.
12/04/14
20140357418

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of 21-29 mm and a surface hardness h1 of more than about 50 shore d.
12/04/14
20140357417

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of 21-29 mm and a surface shore d hardness h1 of at least about 55.
12/04/14
20140357416

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of from about 21 mm to about 29 mm and a surface hardness h1 of at least about 55 shore d.
12/04/14
20140357415

Multi-layer golf ball


A golf ball has an ionomer resin core center, a cured rubber layer made from (a) an at least 70% cis-1,4 polybutadiene with mooney viscosity (ml1+4(100° c.))≧40, (b) an unsaturated carboxylic acid or metal salt, and (c) a free radical initiator; and a cover including a thermoplastic material. The core center has a diameter of 21-29 mm and a 10-130 kg compression deformation (c) ≧4 mm.
12/04/14
20140357414

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center including a first thermoplastic material, a core layer including a second thermoplastic material, and a cover including a third thermoplastic material. The core center has a diameter of 21-29 mm and a surface shore d hardness h1 of less than about 45.
12/04/14
20140357413

Thermoplastic multi-layer golf ball


A golf ball has a relatively light core center. The golf ball may have a thermoplastic core center with diameter about 28-35 mm and flexural modulus under about 15,000 psi; a thermoplastic core layer with flexural modulus ≦about 15,000 psi and >the core center's flexural modulus; and a cover ≧about 2 mm thick with specific gravity ≧about 2 g/cm3 and flexural modulus ≧about 15,000 psi.
12/04/14
20140357412

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a thermoplastic core center with first flexural modulus and diameter from about 21-29 mm; a thermoplastic core layer radially outward with second flexural modulus; and a thermoplastic cover radially outward with third flexural modulus of up to about 5,000-6000. The second flexural modulus is greater than the third flexural modulus.
12/04/14
20140357411

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center having a diameter from about 21 mm to about 29 mm and including a first thermoplastic material having a first flexural modulus of less than about 15,000 psi, a core layer disposed radially outward from the core center with a thickness of at least about 4 mm and a second thermoplastic material having a second flexural modulus of up to about 15,000 psi that is greater than the first flexural modulus, and a cover disposed radially outward from the core layer. The cover comprises a third thermoplastic material having a third flexural modulus.
12/04/14
20140357410

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center comprising a first thermoplastic material having a first flexural modulus; a core layer disposed radially outward from the core center, wherein the core layer comprises a second thermoplastic material having a second flexural modulus; and a cover disposed radially outward of the core layer, wherein the cover comprises a third thermoplastic material having a third flexural modulus. Either the second flexural modulus is greater than the first flexural modulus or both are up to about 15,000 psi.
12/04/14
20140357409

Thermoplastic multi-layer golf ball


A thermoplastic multi-layer golf ball has a core center having a diameter from about 5 mm to about 18 mm, including a first thermoplastic material having a first flexural modulus of up to about 15,000 psi, and having a specific gravity of at least about 1.5 g/cm3; a core layer outward from the core center that has a thickness of at least about 10 mm and includes a second thermoplastic material having a second flexural modulus of up to about 32,000 psi; and a cover including a third thermoplastic material having a third flexural modulus of up to about 5,000 psi. The second flexural modulus is greater than the first flexural modulus, the first flexural modulus is greater than the third flexural modulus, and the specific gravity of the core center is greater than the specific gravity of the core layer and greater than the specific gravity of the cover..
12/04/14
20140357408

Golf ball and manufacturing the same


A method for manufacturing a golf ball showing a great flight distance on driver shots for includes the steps of: preparing a rubber composition containing a base rubber, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, a crosslinking initiator and a carboxylic acid and/or a salt thereof; heat pressing the rubber composition at a press temperature ranging from t-40° c. To t-15° c.
12/04/14
20140357407

Golf ball


An object of the present invention is to provide a golf ball showing a great flight distance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein when jis-c hardness of the spherical core is measured at points located at distances of 0% (core center), 37.5%, 75.0% and 100% (core surface) from the core center of the spherical core, a hardness difference (hs−ho) between a surface hardness (hs) thereof and a center hardness (ho) thereof is 20 or more, a ratio ((h37.5−ho)/(h75.0−ho)) of a hardness difference (h37.5−ho) to a hardness difference (h75.0−ho) is 0.6 or less, and a compression deformation amount (d (mm)) of the spherical core and the 37.5% point hardness (h37.5) satisfy a relation of h37.5≦−9×d+95..
12/04/14
20140357406

Golf ball


A method for manufacturing a golf ball showing a great flight distance on driver shots for includes the steps of: preparing a rubber composition containing a base rubber, an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, a crosslinking initiator and a carboxylic acid and/or a salt thereof; heat pressing the rubber composition at a press temperature ranging from t-40° c. To t-15° c.
12/04/14
20140357405

Golf ball


A golf ball includes a core and a cover surrounding the core. The cover includes a first hemispherical half and a second hemispherical half that define a seam line therebetween and along an outer surface of the cover.
12/04/14
20140357404

Golf ball


A golf ball includes a core and a cover surrounding the core. The cover includes a first hemispherical half and a second hemispherical half that define a seam line therebetween and along an outer surface of the cover.
12/04/14
20140357403

Golf club head


Embodiments of golf club heads and methods to manufacture such a golf club heads are generally described herein. In some embodiments, the golf club head may include a ball-striking face and a protective aluminum oxide layer coupled to the ball-striking face of the golf club head.
12/04/14
20140357396

Golf training device


A golf training device comprising a plastic sheet of material having a first golf ball mounting location surrounded by the plastic sheet and a method of using the same. The plastic sheet is sufficiently dense so that golf clubs skid towards the ball when the golf club hits short of the golf ball during a normal golf swing.
12/04/14
20140357393

Golf swing classification method, golf club selection method, golf swing classification device, and golf swing classification system


Provided is a golf swing classification method that is capable of optimizing selection of a golf club. A golf swing classification method when a golf club hits a golf ball according to the present invention includes the steps of: acquiring acceleration in at least a single point on the golf club or in at least one point that follows the single point during the golf swing; and mapping a behavior of the golf club based on a time period from a time point when an absolute value of the acceleration is at a maximum to a time point when the golf club hits the golf ball..
12/04/14
20140357390

Golf practice device


A golf practicing device includes a golf ball and a ball anchoring assembly which includes a restraining cord and an elastic cord. The restraining cord, which is made of non-elastic material, has an affixing end affixed to the golf ball and an anchoring end.
12/04/14
20140357389

Golf ball teeing device and use


A golf ball teeing device and methods of use are described. Embodiments of the golf ball teeing device include a swing arm rotatably coupled to a base.


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

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