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公开(公告)号：US09586113B2
公开(公告)日：2017-03-07
申请号：US14928311
申请日：2015-10-30
Applicant: DUNLOP SPORTS CO. LTD.
Inventor： Sho Goji , Chiemi Mikura , Kazuyoshi Shiga , Kuniyasu Horiuchi , Toshiyuki Tarao , Hidetaka Inoue , Hitoshi Oyama , Hiroshi Hasegawa
CPC classification number: A63B60/08 , A63B53/14 , C08K3/04 , C08K3/06 , C08K3/22 , C08K3/36 , C08K5/09 , C08K5/13 , C08K5/14 , C08K5/31 , C08K5/40 , C08K5/44 , C08K5/47 , C08L7/00 , C08L15/005 , C08L21/00 , C08L23/16 , C08L91/00
Abstract: An object of the present invention is to provide a golf club grip comprising a layer containing a polar rubber and a layer containing a nonpolar rubber, and excellent in tensile strength. The present invention provides a golf club grip comprising a polar rubber layer and a nonpolar rubber layer, wherein the polar rubber layer is formed from a rubber composition containing a base rubber including a polar rubber in an amount of 50 mass % or more, the nonpolar rubber layer is formed from a rubber composition containing a base rubber including a nonpolar rubber in an amount of 50 mass % or more, the polar rubber layer and the nonpolar rubber layer are laminated via an interlayer formed from an interlayer composition containing an olefin rubber.
Abstract translation: 本发明的目的是提供一种高尔夫球杆把手，其包括含有极性橡胶的层和含有非极性橡胶的层，拉伸强度优异。 本发明提供一种包括极性橡胶层和非极性橡胶层的高尔夫球杆手柄，其中极性橡胶层由含有50质量％以上的极性橡胶的基础橡胶的橡胶组合物形成，非极性橡胶层 橡胶层由含有50质量％以上的非极性橡胶的基础橡胶的橡胶组合物形成，极性橡胶层和非极性橡胶层通过由含有烯烃橡胶的中间层组合物形成的中间层合。
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公开(公告)号：US09717965B2
公开(公告)日：2017-08-01
申请号：US14708487
申请日：2015-05-11
Applicant: DUNLOP SPORTS CO., LTD.
Inventor： Chiemi Mikura , Sho Goji , Kazuyoshi Shiga , Kuniyasu Horiuchi , Toshiyuki Tarao , Hidetaka Inoue , Hitoshi Oyama , Hiroshi Hasegawa
CPC classification number: A63B53/14 , A63B60/14 , A63B2209/00 , C08K3/011 , C08K3/013 , C08K5/0025 , C08K13/02 , C08K3/0033 , C08L15/00 , C08K3/0016
Abstract: An object of the present invention is to provide a golf club grip excellent in grip performance in a wet condition. The present invention provides a golf club grip formed from a rubber composition comprising a base rubber and a crosslinking agent, wherein the base rubber comprises a hydrogenated acrylonitrile-butadiene rubber and/or a carboxyl-modified acrylonitrile-butadiene rubber.
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公开(公告)号：US09630077B2
公开(公告)日：2017-04-25
申请号：US14940791
申请日：2015-11-13
Applicant: DUNLOP SPORTS CO. LTD.
Inventor： Chiemi Mikura , Sho Goji , Kazuyoshi Shiga , Kuniyasu Horiuchi , Toshiyuki Tarao , Hidetaka Inoue , Hitoshi Oyama , Hiroshi Hasegawa
CPC classification number: A63B60/08 , A63B53/14 , A63B2209/00 , C08K7/22
Abstract: An object of the present invention is to provide a grip for sporting goods excellent in tensile strength and having a light weight. The present invention provides a grip for sporting goods comprising a cylindrical portion composed of a cylindrical inner layer and a cylindrical outer layer covering the cylindrical inner layer, wherein the cylindrical inner layer is a porous rubber layer or a porous resin layer, and the cylindrical outer layer is formed from a rubber composition containing an acrylonitrile-butadiene based rubber.
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公开(公告)号：US10328320B2
公开(公告)日：2019-06-25
申请号：US15855240
申请日：2017-12-27
Applicant: Dunlop Sports Co. Ltd. , Sumitomo Rubber Industries, Ltd.
Inventor： Sho Goji , Kazuyoshi Shiga
IPC: A63B53/14
Abstract: An object of the present invention is to provide a golf club grip comprising a grip end with improved abrasion resistance and a reduced weight. The present invention provides a golf club grip comprising a cylindrical grip body and a grip end attached to a bat-side end of the cylindrical grip body, wherein the grip end comprises a base polymer and a hollow glass filler.
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公开(公告)号：US10279234B2
公开(公告)日：2019-05-07
申请号：US15674687
申请日：2017-08-11
Applicant: Dunlop Sports Co. Ltd. , Sumitomo Rubber Industries, Ltd.
Inventor： Sho Goji , Kazuyoshi Shiga
IPC: A63B60/08 , A63B53/14 , C08K3/36 , C08K5/548 , C08K7/18 , C08K7/26 , C08L7/00 , C08L15/00 , A63B102/32
Abstract: An object of the present invention is to provide a golf club grip having excellent grip performance under a wet condition. The present invention provides a golf club grip having an outermost surface layer, wherein the outermost surface layer contains (A) a crosslinked rubber and (B) a silica, and has, at at least a part thereof, a region where a spherical silica secondary particle with a particle size of 3 μm or more exists in an amount of at least two particles/mm2. If a spherical silica secondary particle with a particle size of 3 μm or more exists in a given amount at at least a part of the outermost surface layer, the golf club grip has an improved grip performance under a wet condition.
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Patent Agency Ranking
公开(公告)号：US09586094B2
公开(公告)日：2017-03-07
申请号：US14292306
申请日：2014-05-30
Applicant: DUNLOP SPORTS CO., LTD.
Inventor： Ayaka Shindo , Chiemi Mikura , Ryota Sakamine , Sho Goji
IPC: A63B37/06 , A63B37/00 , B29C43/18 , B29C43/00 , B29K9/00 , B29K75/00 , B29K105/00 , B29L9/00 , B29L31/54 , B29K33/00
CPC classification number: A63B37/0074 , A63B37/0007 , A63B37/0018 , A63B37/0051 , A63B37/0063 , A63B37/0075 , A63B37/0076 , A63B37/0092 , A63B37/0096 , A63B2037/0079 , B29C43/003 , B29C43/18 , B29C2043/182 , B29K2009/00 , B29K2033/00 , B29K2075/00 , B29K2105/0032 , B29K2105/0085 , B29K2105/0088 , B29K2995/007 , B29L2009/00 , B29L2031/546
Abstract: 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. to mold a spherical core, wherein t ° C. is a one-minute half-life temperature of the crosslinking initiator; and forming at least one cover layer covering the spherical core.
Abstract translation: 一种在驾驶员镜头上显示出飞行距离大的高尔夫球的方法包括以下步骤：制备含有基础橡胶，具有3-8个碳原子的α，β-不饱和羧酸和/或金属盐的橡胶组合物 作为共交联剂，交联引发剂和羧酸和/或其盐; 在t-40℃至t-15℃的压力温度下对橡胶组合物进行热压，以成型球形芯，其中t℃为交联引发剂的1分钟半衰期; 以及形成覆盖所述球形芯的至少一个覆盖层。
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公开(公告)号：US09526949B2
公开(公告)日：2016-12-27
申请号：US14670606
申请日：2015-03-27
Applicant: Dunlop Sports Co., Ltd.
Inventor： Chiemi Mikura , Sho Goji
CPC classification number: A63B37/0051 , A63B37/0063 , A63B37/0074 , A63B37/0075 , A63B37/0076 , C08K5/098 , C08K2201/003
Abstract: 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 constituting member 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, and (c) an crosslinking initiator, wherein (b) the α, β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or the metal salt thereof meets the following conditions (1) and (2) in a volume based distribution, when measuring a particle size thereof with a laser diffraction particle size analyzer; (1) a mode particle size is more than 10 μm and 50 μm or less, and (2) a volume ratio of particles having a particle size ranging from 6 μm to 300 μm is 60% or more.
Abstract translation: 本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。 本发明提供一种高尔夫球，其包括由橡胶组合物形成的构成构件，所述橡胶组合物含有（a）基础橡胶，（b）具有3-8个碳原子的α，β-不饱和羧酸和/或其金属盐作为 共交联剂和（c）交联引发剂，其中（b）具有3-8个碳原子的α，bgr-不饱和羧酸和/或其金属盐满足以下条件（1）和（2 ），当用激光衍射粒度分析仪测量其粒径时，以体积为基础的分布; （1）模式粒径大于10μm，50μm以下，（2）粒径为6μm〜300μm的粒子的体积比为60％以上。
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公开(公告)号：US09919191B2
公开(公告)日：2018-03-20
申请号：US14941149
申请日：2015-11-13
Applicant: DUNLOP SPORTS CO. LTD.
Inventor： Hidetaka Inoue , Kuniyasu Horiuchi , Toshiyuki Tarao , Kazuyoshi Shiga , Sho Goji , Chiemi Mikura , Hitoshi Oyama , Hiroshi Hasegawa
CPC classification number: A63B53/14 , A63B60/06 , A63B60/08 , A63B60/14 , A63B2209/00
Abstract: An object of the present invention is to provide a golf club grip showing a good feeling both at hitting and at waggling. The present invention provides a golf club grip comprising a cylindrical portion for inserting a shaft, wherein the cylindrical portion has a compression strain in a range from 46% to 55% at a compression stress of 20 kg/cm2, and a compression strain in a range from 63% to 69% at a compression stress of 120 kg/cm2.
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公开(公告)号：US09855467B2
公开(公告)日：2018-01-02
申请号：US14291229
申请日：2014-05-30
Applicant: Dunlop Sports Co., Ltd.
Inventor： Ayaka Shindo , Chiemi Mikura , Ryota Sakamine , Sho Goji
IPC: A63B37/02 , A63B37/04 , A63B37/06 , A63B37/00 , C08K5/00 , C08L9/00 , C08K5/09 , C08G18/48 , C08G18/76 , C08L75/08 , C08K5/098 , C08K5/14
CPC classification number: A63B37/0092 , A63B37/0051 , A63B37/0063 , A63B37/0065 , A63B37/0074 , C08G18/4854 , C08G18/7671 , C08K5/0025 , C08K5/09 , C08K5/098 , C08K5/14 , C08L9/00 , C08L75/08 , C08L2666/52 , C08L21/00
Abstract: 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.
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公开(公告)号：US20160136492A1
公开(公告)日：2016-05-19
申请号：US14940791
申请日：2015-11-13
Applicant: DUNLOP SPORTS CO. LTD.
Inventor： Chiemi Mikura , Sho Goji , Kazuyoshi Shiga , Kuniyasu Horiuchi , Toshiyuki Tarao , Hidetaka Inoue , Hitoshi Oyama , Hiroshi Hasegawa
CPC classification number: A63B60/08 , A63B53/14 , A63B2209/00 , C08K7/22
Abstract: An object of the present invention is to provide a grip for sporting goods excellent in tensile strength and having a light weight. The present invention provides a grip for sporting goods comprising a cylindrical portion composed of a cylindrical inner layer and a cylindrical outer layer covering the cylindrical inner layer, wherein the cylindrical inner layer is a porous rubber layer or a porous resin layer, and the cylindrical outer layer is formed from a rubber composition containing an acrylonitrile-butadiene based rubber.
Abstract translation: 本发明的目的是提供一种拉伸强度优异且重量轻的运动用品的手柄。 本发明提供一种运动用品的把手，其特征在于，包括由圆筒状内层构成的圆筒部和覆盖所述圆筒状内层的圆筒状外层，其中，所述圆筒状内层为多孔橡胶层或多孔树脂层， 层由含有丙烯腈 - 丁二烯系橡胶的橡胶组合物形成。
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