公开(公告)号：US20170182386A1

公开(公告)日：2017-06-29

申请号：US15389971

申请日：2016-12-23

Applicant: Dunlop Sports Co. Ltd.

Inventor： Hidetaka INOUE ,  Sho GOJI ,  Kuniyasu HORIUCHI ,  Kazuyoshi SHIGA ,  Chiemi MIKURA ,  Hitoshi OYAMA ,  Toshiyuki TARAO ,  Hiroshi HASEGAWA

IPC: A63B53/14 ,  C08L9/02 ,  C08L7/00

CPC classification number: A63B53/14 ,  C08K3/04 ,  C08K3/06 ,  C08K3/22 ,  C08K5/09 ,  C08K5/14 ,  C08K5/39 ,  C08K5/40 ,  C08L7/00 ,  C08L9/02 ,  C08L13/00 ,  C08L15/005 ,  C08L23/0853 ,  C08L45/02 ,  C08L93/04

Abstract: An object of the present invention is to provide a grip for sporting goods containing an acrylonitrile-butadiene based rubber as a base rubber and having an excellent grip performance and sustainability of grip performance under a wet condition. The present invention provides a grip for sporting goods comprising an outermost surface layer formed from a surface layer rubber composition, wherein the surface layer rubber composition contains (A) a base rubber and (B) a resin having a softening point in a range from 5° C. to 120° C., (A) the base rubber contains an acrylonitrile-butadiene based rubber, and (B) the resin is at least one type selected from the group consisting of a hydrogenated rosin ester, a disproportionated rosin ester, an ethylene-vinyl acetate copolymer, a coumarone resin, a phenol resin, a xylene resin and a styrene resin.

公开(公告)号：US20160136491A1

公开(公告)日：2016-05-19

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

IPC: A63B53/14

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.

Abstract translation: 本发明的一个目的是提供一种高尔夫球杆把手，其表现出打击和摇摆时的良好感觉。 本发明提供一种高尔夫球杆把手，其包括用于插入轴的圆柱形部分，其中圆柱形部分在压缩应力为20kg / cm2时的压缩应变为46％至55％，压缩应变为 在120kg / cm 2的压缩应力下为63％至69％。

公开(公告)号：US20160121183A1

公开(公告)日：2016-05-05

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

IPC: A63B60/08 ,  A63B53/14

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。

公开(公告)号：US20150322245A1

公开(公告)日：2015-11-12

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

IPC: C08K13/02 ,  A63B53/14

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.

Abstract translation: 本发明的目的在于提供一种在潮湿条件下握把性能优异的高尔夫球杆握柄。 本发明提供一种由包含基础橡胶和交联剂的橡胶组合物形成的高尔夫球杆把手，其中所述基础橡胶包含氢化的丙烯腈 - 丁二烯橡胶和/或羧基改性的丙烯腈 - 丁二烯橡胶。

公开(公告)号：US20150273278A1

公开(公告)日：2015-10-01

申请号：US14670606

申请日：2015-03-27

Applicant: Dunlop Sports Co., Ltd.

Inventor： Chiemi MIKURA ,  Sho GOJI

IPC: A63B37/00 ,  C08K5/098

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。

公开(公告)号：US20140357408A1

公开(公告)日：2014-12-04

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: A63B37/00 ,  B29C43/18 ,  B29C43/00 ,  A63B45/00

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，bgr-不饱和羧酸和/或金属的橡胶组合物 其作为共交联剂的盐，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。

公开(公告)号：US20140357407A1

公开(公告)日：2014-12-04

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: A63B37/00

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.

Abstract translation: 本发明的目的是提供一种高尔夫球，其显示驾驶员射击的飞行距离很大。 本发明提供一种高尔夫球，其包括球形芯和至少一个覆盖球形芯的覆盖层，其中当在距离为0％（核心中心）的位置处测量球核的JIS-C硬度为37.5％时， 75.0％和100％（核心表面），其表面硬度（Hs）与其中心硬度（Ho）之间的硬度差（Hs-Ho）为20以上， 硬度差（H37.5-Ho）与硬度差（H75.0-Ho）之差（H37.5-Ho）/（H75.0-Ho））为0.6以下，压缩变形量 （mm））和37.5％点硬度（H37.5）满足H37.5＆nlE; -9×D + 95的关系。

公开(公告)号：US20180043224A1

公开(公告)日：2018-02-15

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 ,  C08K7/18 ,  C08L7/00 ,  C08K5/548 ,  C08K7/26 ,  A63B53/14 ,  C08K3/36

CPC classification number: A63B60/08 ,  A63B53/14 ,  A63B2102/32 ,  A63B2209/00 ,  C08K3/36 ,  C08K5/548 ,  C08K7/18 ,  C08K7/26 ,  C08K2201/005 ,  C08L7/00 ,  C08L15/005 ,  C08L2205/03 ,  C08K3/04

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.

公开(公告)号：US20180178097A1

公开(公告)日：2018-06-28

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

CPC classification number: 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.

公开(公告)号：US20160339311A1

公开(公告)日：2016-11-24

申请号：US15159933

申请日：2016-05-20

Applicant: DUNLOP SPORTS CO., LTD.

Inventor： Sho GOJI ,  Chiemi MIKURA ,  Kazuyoshi SHIGA ,  Kuniyasu HORIUCHI ,  Toshiyuki TARAO ,  Hidetaka INOUE ,  Hitoshi OYAMA ,  Hiroshi HASEGAWA

IPC: A63B53/14

CPC classification number: A63B53/14 ,  A63B60/16 ,  A63B60/52 ,  A63B2209/00

Abstract: An object of the present invention is to provide a golf club grip having excellent adhesion between the grip body and the grip end thereof, and excellent durability. The present invention provides a golf club grip comprising a cylindrical grip body having a cylindrical inner layer and a cylindrical outer layer covering the cylindrical inner layer, and a grip end provided on an butt side end of the cylindrical grip body, wherein the cylindrical outer layer is interposed in at least a part of a space between a butt side end edge of the cylindrical inner layer and the grip end.

Abstract translation: 本发明的目的是提供一种具有优良的把手本体与其把手端部之间的粘合力的高尔夫球杆把手，并具有优异的耐久性。 本发明提供了一种高尔夫球杆把手，其包括具有圆柱形内层和覆盖圆柱形内层的圆柱形外层的圆柱形把手，以及设置在圆柱形把手主体的对接侧端部上的把手端，其中圆柱形外层 插入在圆筒形内层的对接侧端边缘与握持端之间的空间的至少一部分中。