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：US20150375056A1

公开(公告)日：2015-12-31

申请号：US14754288

申请日：2015-06-29

Applicant: DUNLOP SPORTS CO., LTD.

Inventor： Takahiro SHIGEMITSU ,  Hidetaka INOUE

IPC: A63B37/00

Abstract: An object of the present invention is to provide a golf ball showing low spin rate on driver shots and high spin rate on approach shots. The present invention provides a multi-piece golf ball comprising a spherical center, at least two envelope layers covering the spherical center, and a cover covering the envelope layers, wherein the envelope layers comprise at least a first envelope layer covering the spherical center, and a second envelope layer covering the first envelope layer, a material hardness (H0) of the spherical center, a material hardness (H1) of the first envelope layer, and a material hardness (H2) of the second envelope layer satisfy an equation of H0>H1>H2, and the material hardness (H2) of the second envelope layer is lowest among the material hardness of the center constituent material and material hardness of envelope layer constituent materials.

Abstract translation: 本发明的目的是提供一种高速球，其在驾驶员镜头上显示低旋转速率并且在接近射击时具有高旋转速率。 本发明提供了一种多片高尔夫球，包括球形中心，覆盖球形中心的至少两个包络层和覆盖包层的覆盖层，其中包层至少包括覆盖球形中心的第一包层，以及 覆盖第一包层的第二包层，球形中心的材料硬度（H0），第一包层的材料硬度（H1）和第二包层的材料硬度（H2）满足等式H0 > H1> H2，并且第二包层的材料硬度（H2）在中心构成材料的材料硬度和包层组成材料的材料硬度之间最低。

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。