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3056results about "Golf balls" patented technology

Golf ball with vapor barrier layer and method of making same

A golf ball comprising a core, a barrier layer enveloping the core, and a cover enveloping the barrier layer, wherein the barrier layer has a moisture vapor transmission rate less than that of the cover, and the barrier layer comprises a thermoplastic or thermoset composition of microparticles dispersed in a binder.
Owner:ACUSHNET CO

Golf ball with non-circular shaped dimples

In a non-limiting exemplary embodiment of the present invention, a golf ball has a surface comprising a plurality of dimples arranged in an amorphous pattern. In an additional embodiment of the invention, a golf ball has a surface comprising a plurality of spaced dimples, wherein the dimples each comprise a non-circular shape and are spaced by land portions having substantially uniform widths. In an additional embodiment of the present invention, a golf ball has a surface formed with a plurality of non-circular, multi-sided shaped dimples and interposed lands having substantially consistent widths between adjacent dimples. In yet another alternative embodiment of the present invention, an exemplary method of making a golf ball having a dimpled surface is provided. The process comprises generating an amorphous pattern of non-circular shaped dimples and then transferring the amorphous pattern to the surface of the golf ball.
Owner:THE PROCTER & GAMBLE COMPANY

Golf ball with vapor barrier layer and method of making same

A golf ball with at least one moisture vapor barrier layer is disclosed. The moisture vapor barrier layer comprises an elastomer, and has a moisture vapor transmission rate of less than about 0.6 grams·mm / m2·day.
Owner:ACUSHNET CO

Ball with camera for reconnaissance or recreation and network for operating the same

A ball-shaped camera thrown or projected into an airborne trajectory, and an image capture system with network devices collaborating for the purpose of generating panoramic images and video sourced from network ball cameras, and ball cameras capable of capturing stable image and video while spinning, spiraling or precessing through a trajectory.
Owner:HOLLINGER STEVEN J

Golf ball

A golf ball includes a hot-molded product of a rubber composition comprising a base rubber composed of (a) 20-100 wt % of a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content, and a viscosity η of up to 600 mPa·s at 25° C. as a 5 wt % toluene solution, and satisfying a certain relationship between Mooney viscosity and polydispersity index Mw / Mn, in combination with (b) 0-80 wt % of another diene rubber, (c) an unsaturated carboxylic acid, (d) an organosulfur compound, (e) an inorganic filler, (f) an organic peroxide, and optionally, (g) an antioxidant. The hot-molded product has a difference in JIS-C hardness between the center and surface thereof of up to 15 units. The composition and hardness characteristics of the hot-molded product provide the golf ball with a solid comfortable feel upon impact and an excellent rebound.
Owner:BRIDGESTONE SPORTS

Highly-resilient thermoplastic elastomer compositions

A thermoplastic composition of (a) an acid copolymer, (b) a salt of a high molecular weight, monomeric organic acid; (c) a thermoplastic polymer selected from copolyetheresters, elastomeric polyolefins, styrene diene block copolymers, elastomeric polyolefins thermoplastic polyurethanes and copolyetheramides; (d) cation source; and (d) optionally a filler. Also included is use of such compositions in components of one-, two- and three-piece golf balls or multi-layered golf balls made therefrom.
Owner:EI DU PONT DE NEMOURS & CO

Multi-layered core golf ball

InactiveUS6988962B2Increasing moment of inertiaSlow down the spin rateGolf ballsDomestic articlesEngineeringGolf Ball
The present invention is directed towards a multi-layered core golf ball that comprises a center, a cover and at least two core layers formed around the center to create an inner ball, wherein the outermost core layer is relatively stiff and hard relative to the center. At least the center or / and one core layer is comprised of an ionomer resin having a fully neutralized acid moiety.
Owner:ACUSHNET CO

Ball with camera and trajectory control for reconnaissance or recreation

A ball that provides normalized images of a ground-based target subject captured over the course of the arc of its airborne trajectory. The improvements include a processing unit that compiles multiple images into a smooth continuous fly-by video of the target subject, a processing unit that stitches multiple images captured at a single moment in the ball's trajectory into a panoramic image and further normalizes and compiles multiple panoramic images into a smooth, continuous fly-through video, and an embedded motion sensor to initiate operations when the ball is pitched, and an embedded impact sensor to shut down operations for power conservation, and a mass which forces the camera into a repeated spinning or precessing orbit around the core of the ball, and a wireless transmission of surveillance imagery captured by the ball, and ground-based transmission of the target subject's location for subsequent image capture, and means for capturing multiple images of varying viewpoints including a camera aperture connected to a branching collection of fused fiber optic bundles. Also disclosed are means for directing the ball along a controllable trajectory to move toward a ground-based target subject.
Owner:HOLLINGER STEVEN J

Multi-layered core golf ball

The present invention is directed towards a multi-layered core golf ball that comprises a center, a cover and at least two core layers formed around the center to create an inner ball, wherein the outermost core layer is relatively stiff and hard relative to the center. One outermost core layer is heavily filled with a density increasing material and at least one core layer functions as a moisture vapor barrier. One core layer may serve to provide all the functions in a single layer.
Owner:ACUSHNET CO

Multi-piece solid golf ball

InactiveUS6855074B2Superior in flight distance and spin performance and shot feelGolf ballsSolid ballsHardnessEngineering
The present invention provides a multi-piece solid golf ball, which is superior in flight distance, spin performance and shot feel. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center, an intermediate layer formed on the center and an outer layer formed on the intermediate layer, and a cover covering the core, whereinthe center has a diameter of 10 to 20 mm and a central point hardness in JIS-A hardness of 30 to 85,the intermediate layer has a surface hardness in Shore D hardness of 30 to 55,the outer layer has a hardness in Shore D hardness of 55 to 70, andthe cover has a Shore D hardness of 35 to 55 and a thickness of 0.3 to 1.5 mm.
Owner:SUMITOMO RUBBER IND LTD

Golf ball

InactiveUS6837803B2Excellent in preventing burnReduced characteristicsGolf ballsSolid ballsPolymer scienceAntioxidant
A golf ball includes, as a composing element, a hot-molded product of a rubber composition. The rubber composition contains a polybutadiene having 60 wt % or more of cis-1,4-bonds and 40 or more of a Mooney viscosity (ML1+4(100° C.)), unsaturated carboxylic acid and / or a metal salt thereof, an organic peroxide, and a monophenol based antioxidant. The golf ball can be produced with good workability because of no burn at the time of kneading the rubber composition, while preventing a reduction in rebound characteristic.
Owner:BRIDGESTONE SPORTS

Negative hardness gradient inner core for dual core golf ball

A golf ball having an inner core having a first outer surface and a geometric center and being formed from a substantially homogenous formulation such that the inner core has a hardness of 45 Shore C to 65 Shore C; an outer core layer disposed about the inner core having a second outer surface and an inner surface and being formed from a substantially homogenous formulation such that the outer core layer has a hardness of 55 Shore C to 90 Shore C. A cover is disposed about the outer core layer. The hardness of the first outer surface is the same as or lower than the hardness of the geometric center to define a “negative hardness gradient” and the hardness of the second outer surface is greater than the hardness of the inner surface to define a “positive hardness gradient.”
Owner:ACUSHNET CO

Multi-piece solid golf ball

In a multi-piece solid golf ball comprising a solid core consisting of a center core and an outer core, an inner cover layer and an outer cover layer, the solid core is molded from a rubber composition comprising a base rubber composed of (a) a polybutadiene having a high cis-1,4 content, a minimal 1,2 vinyl content and a viscosity η of up to 600 mPa·s at 25° C. as a 5 wt % toluene solution, being synthesized using a rare-earth catalyst, in combination with (b) another diene rubber, (c) an unsaturated carboxylic acid, (d) an organosulfur compound, (e) an inorganic filler, and (f) an organic peroxide; and the center core has a specific JIS-C hardness on its center and a specific JIS-C hardness on its surface and the certain difference, the outer core is harder than the surface hardness of the center core, the cross-sectional hardness of 1 mm outside from the border between the center core and the outer core is a specific range on JIS-C hardness, the surface of the outer core has a specific JIS-C hardness, the inner cover layer has a specific Shore D hardness; the outer cover layer has a specific Shore D hardness; and the outer cover layer has a lower Shore D hardness than the inner cover layer. This combination of features gives the ball a good, soft feel upon impact and an excellent spin performance that provides increased distance.
Owner:BRIDGESTONE SPORTS

Highly-neutralized ethylene copolymers

Melt-processable, highly-neutralized ethylene, C3 to C8 alpha,beta ethylenically unsaturated carboxylic acid copolymers and process for making them. Copolymers are made by incorporating a C4 to less than a C36 aliphatic, mono-functional organic acid and neutralizing greater than 90% to 100% of the acid groups present concurrently with or subsequently to the incorporation of the organic acid.
Owner:PERFORMANCE MATERIALS NA INC

Multi-piece solid golf ball

The present invention provides a multi-piece solid golf ball having excellent flight performance and good shot feel. The present invention relates to a multi-piece solid golf ball comprising a core consisting of an inner core, an intermediate layer and an outer layer, and a cover, wherein the inner core has a flexural rigidity (RI) of 20 to 80 MPa, a ratio (RM / RI) of a flexural rigidity of the intermediate layer (RM) to the (RI) is from 0.6 to 1.4, a flexural rigidity of the outer layer is higher than the (RI) by 70 to 500 MPa, and the intermediate layer is placed such that the a radius of the golf ball (rG), a radius of the inner core (rI) and a radius of a two-layer structured core obtained by forming the intermediate layer on the inner core (rT) satisfy the following two formulae:rI / rG≧0.70rT / rG≦0.83.
Owner:SUMITOMO RUBBER IND LTD

Solid golf ball

The invention provides a solid golf ball having a solid core and a cover layer that encases the core and has an outermost layer on an outside surface of which are formed a plurality of dimples. The solid core is formed of a rubber composition composed of 100 parts by weight of a base rubber that includes 60 to 100 parts by weight of a polybutadiene rubber having a cis-1,4 bond content of at least 60% and synthesized using a rare-earth catalyst, 0.1 to 5 parts by weight of an organosulfur compound, an unsaturated carboxylic acid or a metal salt thereof, and an inorganic filler. The solid core has a deformation, when compressed under a final load of 130 kgf from an initial load of 10 kgf, of 2.0 to 4.0 mm, and has a specific hardness distribution. The cover layer is formed primarily of a thermoplastic or thermoset polyurethane material and has a thickness of 0.5 to 2.5 mm, a Shore D hardness at the surface of 50 to 70 and a flexural rigidity of 50 to 300 MPa. The golf ball has a deformation, when compressed under a final load of 130 kgf from an initial load of 10 kgf, of 2.0 to 3.8 mm. The solid golf ball is advantageous overall in competitive use.
Owner:BRIDGESTONE SPORTS

Golf ball

A golf ball comprises a solid core consisting of a center core and an outer core, wherein at least one of cores is made of a rubber composition comprising 100 parts by weight of a base rubber including. 60 to 100% by weight of a polybutadiene containing at least 60% by weight of cis-1,4-bond, having a Mooney viscosity (ML1+4 (100° C.)) of at least 52, and synthesized using a rare-earth catalyst, 10 to 60 parts by weight of an unsaturated carboxylic acid and / or a metal salt thereof, 5 to 80 parts by weight of an-inorganic filler, and an organic peroxide, and wherein the center core has a JIS-C hardness of 40 to 60 on its center and a JIS-C hardness of 55 to 75 on its surface and the difference therebetween is at least 10, the outer core is harder than the surface hardness of the center core, the cross-sectional hardness of 1 mm outside from the border between the center core and the outer core is from 65 to 85 on a JIS-C hardness, the surface of the outer core has a JIS-C hardness of 75 to 95.
Owner:BRIDGESTONE SPORTS

Multi-piece solid golf ball

The present invention provides a multi-piece solid golf ball having a core, an envelope layer encasing the core, an intermediate layer encasing the envelope layer, and a cover which encases the intermediate layer and has formed on a surface thereof a plurality of dimples. The core is formed primarily of a rubber material and has a hardness which gradually increases from a center to a surface thereof, the hardness difference in JIS-C hardness units between the core center and the core surface being at least 15 and, letting (I) be the average value for cross-sectional hardnesses at a position about 15 mm from the core center and at the core center and letting (II) be the cross-sectional hardness at a position about 7.5 mm from the core center, the hardness difference (I)−(II) in JIS-C units being not more than ±2. The envelope layer, intermediate layer and cover have hardnesses which satisfy the condition:cover hardness>intermediate layer hardness>envelope layer hardness.The golf ball of the invention has an improved distance, and also has an excellent durability to cracking on repeated impact and an excellent scuff resistance.
Owner:BRIDGESTONE SPORTS

Highly-neutralized thermoplastic copolymer center for improved multi-layer core golf ball

A golf ball comprising a center comprising a highly-neutralized thermoplastic copolymer of ethylene and an α,β-unsaturated carboxylic acid, the acid being 100% neutralized by a salt of an organic acid, a cation source, or a suitable base of the organic acid; a cover; and an intermediate layer disposed between the center and the cover; wherein the golf ball has a first coefficient of restitution of 0.81 or greater when measured at an incoming velocity of 125 ft / s; and a sphere resulting from a combination of the center and the intermediate layer has a compression of 60 or greater.
Owner:ACUSHNET CO

Golf ball with improved intermediate layer

InactiveUS6012991AMaintains distanceMaintain speedGolf ballsSolid ballsElastomerIonomer
A golf ball including an improved mantle composition which results in improved performance characteristics. The composition includes a soft, flexible resin, such as an elastomer, and a quantity of at least one hardness-enhancing material, such as a quantity of fibers or fiber segments, such as glass, carbon, aramid, and / or metallic fibers, and, optionally, at least one ionomer. The hardness-enhancing material can constitute about 1 to about 30 wt % of the intermediate layer. The composition of the intermediate layer enables the golf ball to maintain initial speed and distance of known golf balls, while improving upon spin rate and playability. Alternatively, spin rate and playability can be maintained, while improving upon the initial speed and distance.
Owner:TAYLOR MADE GOLF

Polyurethane compositions for golf balls

Polyurethane and polyurea compositions for golf balls with improved stability of the curative blend, wherein the curative blend includes a pigment, a curing agent, and a compatible freezing point depressing agent so that the curative blend has a lower freezing point than the curing agent by itself and the blend does not lose pigment dispersion upon solidification and subsequent thawing.
Owner:ACUSHNET CO

Method of making a golf ball with a multi-layer core

A method for making a multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of layers can include at least a first layer having a hardness greater than the center hardness and a second layer having a hardness greater than the first layer hardness, and optionally a third layer disposed between the first and the second layers having a hardness greater than the first layer hardness.
Owner:ACUSHNET CO

Four-piece solid golf ball

InactiveUS6705956B1Long flight distanceHigh launch angleGolf ballsSolid ballsInter layerHardness
The present invention provides a four-piece solid golf ball having excellent flight performance and good shot feel at the time of hitting. The present invention relates to a four-piece solid golf ball comprising a core, an intermediate layer formed on the core, an outer layer formed on the intermediate layer and a cover covering the outer layer, wherein the core has a surface hardness in JIS-C hardness of 67 to 85, a JIS-C hardness of the intermediate layer is higher than the surface hardness of the core, and a JIS-C hardness of the outer layer is higher than the hardness of the intermediate layer.
Owner:SUMITOMO RUBBER IND LTD
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