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91. 发明授权

US11027174B2 Multi-piece solid golf ball 有权
公开(公告)号：US11027174B2
公开(公告)日：2021-06-08
申请号：US16998546
申请日：2020-08-20
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo Watanabe
IPC分类号： A63B37/06 , A63B37/00
摘要： In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer and a cover, the core is formed primarily of a base rubber and has a diameter set in a specific range, the envelope layer, intermediate layer and cover are each formed of resin materials, and the envelope layer is formed into two layers—an inner layer and an outer layer. The center and surface hardnesses of the core, the surface hardness of the inner envelope layer-encased sphere, the surface hardness of the outer envelope layer-encased sphere, the surface hardness of the intermediate layer-encased sphere and the surface hardness of the ball together satisfy a specific relationship. This ball achieves a satisfactory distance on full shots both with a driver and with irons, in addition to which it is superior in the short game and has a good feel at impact and an excellent scuff resistance.

92. 发明申请

US20210162267A1 MULTI-PIECE SOLID GOLF BALL 有权
公开(公告)号：US20210162267A1
公开(公告)日：2021-06-03
申请号：US17174410
申请日：2021-02-12
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo WATANABE
IPC分类号： A63B37/00
摘要： In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer and a cover, the envelope layer is formed into two layers—an inner envelope layer and an outer envelope layer. The inner envelope layer-encased sphere, outer envelope layer-encased sphere, intermediate layer-encased sphere and ball have respective surface hardness that satisfy a specific relationship. The inner envelope layer or outer envelope layer is formed primarily of one or more elastomer, and further the core has a particular hardness profile. This ball has an excellent flight when struck by golfers whose head speeds are not that fast and has a good, soft feel at impact, thus making it highly suitable for amateur golfers,

93. 发明授权

US10946251B2 Multi-piece solid golf ball 有权
公开(公告)号：US10946251B2
公开(公告)日：2021-03-16
申请号：US16831951
申请日：2020-03-27
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo Watanabe , Akira Kimura , Jun Shindo
IPC分类号： A63B37/06 , A63B37/00
摘要： In a multi-piece solid golf ball having a core, a cover and an intermediate layer therebetween, the core, an intermediate layer-encased sphere and the ball have surface hardnesses which satisfy a specific relationship, and the intermediate layer and the cover have thicknesses which satisfy a specific relationship. Also, the core has a hardness profile in which the hardnesses at the core surface, core center, a position 5 mm from the core center, and a position midway between the surface and center of the core satisfy specific relationships. This golf ball, when used by mid- and high-level amateurs, enables the golfer to maintain an adequate distance on shots with a driver and achieve a good distance on iron shots, has a good spin performance on approach shots and has a good feel on impact. In addition, the ball has an excellent scuff resistance when struck with a grooved wedge.

94. 发明申请

US20210060387A1 MULTI-PIECE SOLID GOLF BALL 有权
公开(公告)号：US20210060387A1
公开(公告)日：2021-03-04
申请号：US16998546
申请日：2020-08-20
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo WATANABE
IPC分类号： A63B37/00
摘要： In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer and a cover, the core is formed primarily of a base rubber and has a diameter set in a specific range, the envelope layer, intermediate layer and cover are each formed of resin materials, and the envelope layer is formed into two layers—an inner layer and an outer layer. The center and surface hardnesses of the core, the surface hardness of the inner envelope layer-encased sphere, the surface hardness of the outer envelope layer-encased sphere, the surface hardness of the intermediate layer-encased sphere and the surface hardness of the ball together satisfy a specific relationship. This ball achieves a satisfactory distance on full shots both with a driver and with irons, in addition to which it is superior in the short game and has a good feel at impact and an excellent scuff resistance.

95. 发明授权

US10882979B2 Golf ball 有权
公开(公告)号：US10882979B2
公开(公告)日：2021-01-05
申请号：US16384093
申请日：2019-04-15
申请人： BRIDGESTONE SPORTS CO., LTD.
发明人： Eiji Yamanaka , Daisuke Arai
IPC分类号： A63B37/06 , C08L9/00 , A63B37/00 , C08K5/14 , C08K3/30 , C08K5/372
摘要： A golf ball includes a core and a cover. The core is formed of a material molded under heat from a rubber composition. The rubber composition includes components (A) through (C). The components (A) through (C) are (A) a base rubber, (B) an organic peroxide, and (C) a water providing agent. The water providing agent releases water at a vulcanization temperature at which the rubber composition is vulcanized. The dissociation rate of water of the water providing agent in the case of heating the water providing agent up to the vulcanization temperature of the rubber composition is 60% by mass or more.

96. 发明授权

US10874912B2 Multi-piece solid golf ball 有权
公开(公告)号：US10874912B2
公开(公告)日：2020-12-29
申请号：US16412951
申请日：2019-05-15
申请人： Bridgestone Sports Co., Ltd.
发明人： Atsuki Kasashima , Akira Kimura
IPC分类号： A63B37/06 , A63B37/00 , B29D99/00
CPC分类号： A63B37/0092 , A63B37/0033 , A63B37/0044 , A63B37/0045 , A63B37/0063 , A63B37/0064 , A63B37/0076 , B29D99/0042
摘要： A multi-piece solid golf ball for professional golfers and skilled amateurs in particular is endowed with an excellent distance, a soft yet good feel at impact and a good durability. In the ball, which includes a core, an envelope layer, an intermediate layer and a cover, the core has a hardness profile which satisfies specific conditions, the envelope layer has a thickness of from 0.3 to 1.2 mm, the intermediate layer has a thickness of from 0.3 to 1.2 mm, and the envelope and intermediate layers have a combined thickness from of 0.8 to 1.7 mm.

97. 发明申请

US20200368587A1 Multi-Piece Solid Golf Ball 审中-公开
公开(公告)号：US20200368587A1
公开(公告)日：2020-11-26
申请号：US16943406
申请日：2020-07-30
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo WATANABE
IPC分类号： A63B37/00
摘要： In a multi-piece solid golf ball having a core, an intermediate layer encasing the core and a cover which encases the intermediate layer and has numerous dimples on an outside surface thereof, the intermediate layer is formed of a resin material, the cover is formed of a urethane resin material, the core has a diameter of at least 38.0 mm, the core has a deflection when compressed under a final load of 1,275 N (130 kgf) from an initial load of 98 N (10 kgf) of at least 3.9 mm, the core has a center and a surface such that the value obtained by subtracting the JIS-C hardness at the core center from the JIS-C hardness at the core surface is at least 15, the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) has a surface hardness on the Shore D hardness scale of at least 69, the ball has a surface hardness on the Shore D hardness scale of 62 or less, and the (intermediate layer thickness)/(core diameter) value is from 0.025 to 0.043, the (cover thickness)/(core diameter) value is from 0.014 to 0.027.

98. 发明授权

US10843045B2 Golf ball 有权
公开(公告)号：US10843045B2
公开(公告)日：2020-11-24
申请号：US16585389
申请日：2019-09-27
申请人： Bridgestone Sports Co., Ltd.
发明人： Hirotaka Shinohara , Takashi Ohira
IPC分类号： A63B37/00 , A63B37/14 , C08L75/04 , A63B102/32 , C08L75/06
CPC分类号： A63B37/0022 , A63B37/0031 , A63B37/0033 , A63B37/0075 , A63B2102/32 , A63B2225/60 , C08L75/06
摘要： 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 that is provided on an outer side of the core and is provided with dimples, and an outermost layer that is formed on an outer side of the cover and made of a material having a contact angle of 90° or more. The golf ball has a dynamic friction coefficient of 0.52 or more. The material constituting the outermost layer comprises a urethane coating that contains a water repellent additive, and the water repellent additive includes a fluorinated surfactant, silicone-modified acrylate or hydrophobic silica.

99. 发明申请

US20200330829A1 MULTI-PIECE SOLID GOLF BALL 审中-公开
公开(公告)号：US20200330829A1
公开(公告)日：2020-10-22
申请号：US16845363
申请日：2020-04-10
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo Watanabe
IPC分类号： A63B37/00
摘要： In a multi-piece solid golf ball having a core formed of a rubber composition, an intermediate layer formed of a polyurethane material and a cover, the ball satisfies the following condition: surface hardness of ball≤surface hardness of intermediate layer-encased sphere. When the ball is struck with a driver at a head speed of 40 m/s, the sum of the time t1 required from contact initiation between the driver and ball for deformation of the ball to reach a maximum value and the time t2 required from the state of maximum ball deformation for the ball and driver clubface to separate is at least 705 microseconds. This ball has an excellent flight performance when hit by low or moderate head-speed golfers, is receptive to spin on approach shots and has a good, soft feel at impact.

100. 发明申请

US20200330826A1 Multi-Piece Solid Golf Ball 审中-公开
公开(公告)号：US20200330826A1
公开(公告)日：2020-10-22
申请号：US16901325
申请日：2020-06-15
申请人： Bridgestone Sports Co., Ltd.
发明人： Hideo WATANABE , Akira Kimura , Masanobu Kuwahara
IPC分类号： A63B37/00
摘要： In a golf ball having a two-layer core consisting of an inner core layer and an outer core layer, one or more intermediate layer, and a cover serving as an outermost layer, the inner core layer and outer core layer are each formed primarily of a base rubber, the inner core layer has a diameter of at least 19 mm, the intermediate layer and the cover are each formed primarily of a resin material, and the overall core has a specific hardness profile. The golf ball has a high initial velocity while holding down the spin rate on full shots with a driver or long iron, thus enabling a good distance to be achieved. The ball also has a high controllability in the short game.

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