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JP2022038283A |
To provide a golf ball having a function to assist a player even after long-term use.A golf ball comprises a core and a cover positioned outside the core, and a partial intermediate layer of an n layer (n is a natural number) is disposed...
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JP7033196B2 |
A ball toy having a solid, resiliently flexible body is disclosed. The body is penetrated by a bore, wherein bearing means are mounted, defining a rotational axis of the body therein. The bore has a bore closure at each end, mechanical c...
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JP2022034913A |
To provide a resin composition for a golf ball hull excellent in weld growth, and excellent in strength; and to provide a golf ball hull, a golf ball and a manufacturing method of a golf ball.A resin composition for a golf ball hull cont...
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JP7027682B2 |
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 memb...
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JP7025309B2 |
An ultra-low compression golf ball is disclosed herein. The core preferably has a PGA compression less than 30. The mantle layer and cover have approximately the same thickness. The cover comprises a thermoplastic polyurethane material a...
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JP7023862B2 |
A rubber composition which contains: a rubber component; a tetrazine compound represented by general formula (1) or a salt thereof; a crosslinking agent; and a co-crosslinking agent. (In general formula (1), X1 and X2 may be the same or ...
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JP7021556B2 |
In a golf ball having a two-layer core consisting of an inner core layer and an outer core layer, an intermediate layer and a cover, the core is formed primarily of a base rubber, the diameter of the inner core layer is at least 21 mm, t...
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JP2022025190A |
To provide a golf ball which allows a user to obtain a sufficient carry not only by a driver but also an iron full shot, have an advantage in a short game, and obtain an excellent hitting feeling, and is excellent in durability.A golf ba...
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JP2022025188A |
To provide a golf ball which allows a user to obtain a sufficient carry by an iron full shot, have an advantage in a short game, and obtain an excellent hitting feeling, and is excellent in durability.A golf ball comprises a core, an env...
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JP2022013697A |
To provide a rubber composition for a golf ball capable of improving flight performance with low-spin characteristic when striking a golf ball by setting hardness difference large in hardness distribution in the core while keeping desire...
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JP6996296B2 |
To provide a golf ball excellent in repulsion performance and impact durability.A golf ball comprises a spherical core and a cover formed of at least one layer. The at least one layer of the cover is formed of a resin composition for the...
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JP6996295B2 |
An object of the present invention is to provide a golf ball that can strike a good balance in approach performance under a rough condition and a wet condition while maintaining a flight distance on driver shots. The present invention pr...
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JP2022007546A |
There is provided a resin composition for a golf ball which contains (a) a component of an acid-containing copolymer in which the amount of an acid component relative to the total sum of 100 mass% of a monomer unit of the copolymer is 1 ...
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JP2022002608A |
To provide a rubber composition for a golf ball which can improve flight performance by exerting low spin characteristics in hitting the golf ball, and a golf ball using the same.A golf ball includes: a rubber composition for a golf ball...
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JP6988442B2 |
A resin composition for golf balls is made of (A) polyurethane or polyurea and (B) an acrylic resin or a methacrylic resin, component (B) being included in an amount of from 0.5 to 50 parts by weight per 100 parts by weight of component ...
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JP2021194162A |
There are provided a golf ball that includes at least one porous resin layer formed of a resin composition containing a polymeric material and a leachable water-soluble polymer, and a manufacturing method of a golf ball in which the resi...
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JP2021194136A |
To provide a golf ball in which separation of a coating film can be suppressed.A golf ball according to the present invention comprises an inner ball 14, and a cover layer 15 covering an outer surface of the inner ball and comprising an ...
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JP2021186411A |
In a golf ball comprising at least one layer of a rubber core, and at least one layer of a cover covering the core, the at least one layer of the cover is formed of a resin composition containing components (A) and (B): polyurethane or p...
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JP6976742B2 |
To provide a golf ball that can prevent a decrease in carry distance of a driver shot when it rains and also, can exert excellent spinning performance upon an approach shot. The golf ball of the present invention includes a core, a cover...
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JP6977242B2 |
An object of the present invention is to provide a golf ball having excellent abrasion resistance and spin performance on driver shots. The present invention provides a golf ball having a spherical core and a cover covering the spherical...
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JP2021531939A |
Systems, methods, and devices are provided for golf putt practice and as golf putt training equipment. The disclosed devices include, in particular, less than standard size training balls, small practice balls, and smaller and / or minia...
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JP6972977B2 |
To provide a golf ball which achieves large carry of driver shot, enhances control ability to approach shot in a wet condition, and is excellent in contamination resistance and striking feeling.A golf ball comprises: a golf ball body hav...
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JP6972976B2 |
To provide a golf ball which enhances control ability to approach shot from the rough, and excellent in contamination resistance and striking feeling.A golf ball comprises: a golf ball body having a cover; and a coating film for covering...
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JP6968268B2 |
Disclosed is a matte golf ball paint composition that provides a solution to the problem with a golf ball having a difficulty of taking on the original color of the cover due to scattering of the color incurred during the injection moldi...
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JP2021176378A |
To provide a golf ball that enables intermediate- and advanced-level golfers to achieve superior carry on driver shots and on iron shots and to have a soft yet good feel at impact.A golf ball G comprises a core 1, an envelope layer 2, an...
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JP2021176380A |
To provide a golf ball that enables intermediate- and advanced-level golfers to achieve superior carry on driver shots and on iron shots and to have a soft yet good feel at impact.A golf ball G comprises a core 1, an envelope layer 2, an...
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JP2021176381A |
To provide a golf ball that enables intermediate- and advanced-level golfers to achieve superior carry on driver shots and on iron shots and to have a soft yet good feel at impact.A golf ball G comprises a core 1, an envelope layer 2, an...
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JP6965592B2 |
A resin composition for golf balls includes specific amounts of (A) polyurethane or polyurea and (B) an oxazoline group-containing acrylic polymer or an oxazoline group-containing styrene polymer. A golf ball having a core encased by a c...
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JP6962174B2 |
To provide a golf ball comprising a core and a cover for covering the core, the golf ball having an outermost layer excellent in scratch resistance and having high adhesion between the outermost layer and an internal layer adjacent to th...
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JP6961929B2 |
To provide a golf ball having excellent flying performance on driver shots.A golf ball 1 includes a spherical core 2 and a cover 3 of at least one or more layers for covering the spherical core. The spherical core is formed of a rubber c...
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JP6958285B2 |
A golf ball 2 includes a core 4 and a cover 6 positioned outside the core 4. The cover 6 is formed in a mold having support pins by injection molding. A ratio (V/S) of a volume V (mm3) of the cover 6 to an amount of compressive deformati...
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JP6958256B2 |
A golf ball includes a core and a cover. The cover has a shore D hardness of not less than 50. The cover has a thickness of not less than 1.00 mm. The golf ball has a plurality of dimples 10 on a surface thereof. A standard deviation Su ...
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JP2021168855A |
To provide a golf ball excellent in discriminability aid perceptibility.A golf ball 2 includes a body 4 and a mark layer 6 for coating part of a surface of the body 4. When a region where the mark layer 6 exists is represented as a mark ...
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JP2021168854A |
To provide a golf ball excellent in discriminability aid perceptibility.A golf ball 2 includes a body 4 and a mark layer 6 for coating part of a surface of the body 4. When a region where the mark layer 6 exists is represented as a mark ...
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JP6953934B2 |
An object of the present invention is to provide a golf ball resin composition by which durability can be improved without substantially reducing hardness and resilience, and a golf ball using the same. The present invention provides a g...
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JP2021151294A |
To provide a golf ball being moldable highly accurately in a performance and aesthetic property even in a case of reducing the weight of the ball, and a manufacturing method of the golf ball.A golf ball 100 includes a core spherical body...
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JP6938906B2 |
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 i...
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JP6938907B2 |
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. T...
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JP2021137299A |
To provide a golf ball having approach spin performances under a wet condition and under a condition of biding grass, and having excellent stain resistance.The present invention relates to a golf ball including a golf ball body and at le...
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JP2021137298A |
To provide a golf ball having an approach spin performance from rough (under a condition of biding grass) and having excellent stain resistance.A golf ball according to the present invention includes a golf ball body and at least one-lay...
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JP6935999B2 |
To provide a golf ball which can further improve a lift coefficient at all speed regions and can suppress an extreme drop in the lift coefficient at low speed region.A golf ball includes: a plurality of first dimples 1 provided on a surf...
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JP2021122429A |
To provide a golf ball suitable for an amateur user, excellent in carry when being hit by a person whose head speed is not so fast, i.e., an average golfer, and having excellent hit feeling with soft feeling.A golf ball includes a core a...
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JP6922437B2 |
To provide a golf ball 2 which has excellent controllability upon an approach shot in a dry state and in a wet state, and also has excellent flight performance.A golf ball 2 includes a main body 4 and a paint film 6. The paint film 6 inc...
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JP6919357B2 |
A golf ball (2) includes a core (4), an inner cover (6), a main cover (8), and an outer cover (10). X=Hc×Rc×0.05, S=Hs×Rc×0.05, M=Hm×Tm, I=Hi×Ti, O=Ho×To, and Q=(I+O)/2 that are calculated from a radius Rc of the core (4), a Shore...
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JP6922696B2 |
To provide a golf ball 2 excellent in flight performance and strike feeling.A golf ball 2 has a core 4, an inner cover 6, a main cover 8 and an outer cover 10. A product TH2 of a thickness T2 and a shore C hardness H2 in the main cover 8...
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JP6918077B2 |
The present invention provides a novel golf ball construction including a layer having a design based on a minimal surface. The layer is defined by an envelope shape having an outer boundary and an inner boundary, and consists of a minim...
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JP6913672B2 |
A golf ball with a core comprising polybutadiene and graphene is disclosed herein. The golf ball has a single core comprising polybutadiene and graphene. Alternatively, the golf ball has a dual core with an inner core comprising polybuta...
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JP6904038B2 |
In a multi-piece solid golf ball made up of, successively, a core, an intermediate layer and a cover having numerous dimples on the surface thereof, the intermediate layer is formed of a resin material and the cover is formed of a uretha...
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JP6900714B2 |
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 ...
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JP2021097818A |
A golf ball is provided, including a core constituted of one-layer or multiple-layers. An outermost layer of the core is formed of a rubber composition including α,β-unsaturated metal carboxylate, and a surrounding layer directly cover...
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