公开(公告)号：US20130095950A1

公开(公告)日：2013-04-18

申请号：US13644971

申请日：2012-10-04

Applicant: Dunlop Sports Co., Ltd.

Inventor： Hiroshi HASEGAWA ,  Takashi NAKANO

IPC: A63B53/10

CPC classification number: A63B60/42 ,  A63B53/10 ,  A63B2060/0081 ,  A63B2209/02 ,  A63B2209/023

Abstract: A golf club shaft extending from a tip end to a butt end and made of fiber reinforced resin, comprises a weight being in a range of from 30 to 55 g, a whole length LS between the tip end and the butt end, a center of gravity of the shaft located with a distance LG from the tip end, a ratio of the distance LG to the whole length LS being in a range of from 0.54 to 0.65, a butt end portion which has a length of 300 mm from the butt end toward the tip end, the butt end portion including fibers including a low elastic fiber having an elastic modulus in a range of from 5 to 20 t/mm2, and a high elastic fiber having an elastic modulus greater than 20 t/mm2 and not more than 50 t/mm2.

Abstract translation: 从尖端延伸到对接端并由纤维增强树脂制成的高尔夫球杆轴包括重量在30至55g的范围内，在顶端和对接端之间的整个长度LS， 轴距离前端的距离为LG的重力，距离LG与全长LS的比例在0.54至0.65的范围内，对接端部的距离对接端的长度为300mm 朝向顶端的对接端部包括具有弹性模量在5〜20t / mm 2范围内的低弹性纤维的纤维和弹性模量大于20t / mm2的高弹性纤维，而不是更多 超过50 t / mm2。

公开(公告)号：US20130095944A1

公开(公告)日：2013-04-18

申请号：US13644831

申请日：2012-10-04

Applicant: Dunlop Sports Co. Ltd.

Inventor： Takashi NAKAMURA ,  Hiroshi HASEGAWA ,  Takashi NAKANO

IPC: A63B53/00

CPC classification number: A63B53/10 ,  A63B53/00 ,  A63B53/0466 ,  A63B53/08 ,  A63B2053/0408 ,  A63B2209/023

Abstract: Provided is a golf club having a head disposed at a front end of a shaft and a grip disposed at a back end of the shaft. A club weight is not larger than 290 g. A product of a ratio (head weight/club weight) of a head weight to the club weight, and a ratio (LG/LS) of a distance LG from the front end of the shaft to a center of gravity of the shaft to a full length LS of the shaft, is not smaller than 0.365.

Abstract translation: 提供一种高尔夫球杆，其具有设置在轴的前端的头部和设置在轴的后端的把手。 俱乐部重量不大于290克。 头部重量与球杆重量的比率（头部重量/球杆重量）和从轴的前端到轴的重心到距离的距离LG的距离（LG / LS）的乘积 轴的全长LS，不小于0.365。

公开(公告)号：US20130095943A1

公开(公告)日：2013-04-18

申请号：US13644445

申请日：2012-10-04

Applicant: Dunlop Sports Co. Ltd.

Inventor： Takashi NAKAMURA ,  Hiroshi HASEGAWA ,  Takashi NAKANO

IPC: A63B53/00

CPC classification number: A63B60/00 ,  A63B53/00 ,  A63B53/0466 ,  A63B60/42 ,  A63B2053/0408 ,  A63B2209/023

Abstract: Provided is a golf club having a head disposed at a front end of a shaft and a grip disposed at a back end of the shaft. A club weight is not smaller than 290 g, and a ratio (head weight/club weight) of a head weight to a club weight is not lower than 0.67 but not higher than 0.72. When a distance from the front end of the shaft to a center of gravity of the shaft is LG and when a full length of the shaft is LS, 0.55≦LG/LS≦0.67 is satisfied, and when a frequency of flexural vibration of the club is F, 240 cpm≦F≦280 cpm is satisfied.

Abstract translation: 提供一种高尔夫球杆，其具有设置在轴的前端的头部和设置在轴的后端的把手。 俱乐部重量不小于290g，头重与球杆重量的比率（头重/球杆重量）不低于0.67但不高于0.72。 当从轴的前端到轴的重心的距离为LG时，当轴的全长为LS时，满足0.55 @ LG / LS @ 0.67，并且当弯曲振动的频率为 俱乐部是F，240 cpm @ F @ 280 cpm满意。

公开(公告)号：US20180147447A1

公开(公告)日：2018-05-31

申请号：US15826186

申请日：2017-11-29

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Wataru KIMIZUKA ,  Masahide ONUKI ,  Hiroshi HASEGAWA

IPC: A63B24/00 ,  A63B69/36

CPC classification number: A63B24/0006 ,  A63B69/36 ,  A63B2069/3602 ,  G06K9/00342

Abstract: Provided is a method of evaluating stability of a golf swing. The method comprises calculating a force indicator that represents a force that acts on a body of a golfer during the golf swing and evaluating stability of the golf swing according to a magnitude of the force indicator. In the calculating, the force indicator may be calculated during the golf swing made with a specific golf club, and in the evaluating, the stability of the golf swing may be evaluated as a characteristic of the specific golf club, in accordance with the magnitude of the force indicator.

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。

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：US20160367872A1

公开(公告)日：2016-12-22

申请号：US14902097

申请日：2014-06-06

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yasuo NAITO ,  Takehiko HYODO ,  Kazuyoshi SHIGA ,  Hiroshi HASEGAWA

IPC: A63B53/10 ,  C08J5/24 ,  C08L63/00

CPC classification number: A63B53/10 ,  A63B2209/023 ,  B29C70/202 ,  C08J5/24 ,  C08J2363/00 ,  C08J2363/02 ,  C08J2429/14 ,  C08J2463/00 ,  C08J2463/04 ,  C08J2463/08 ,  C08L63/00 ,  C08L2205/025 ,  C08L2205/03

Abstract: An object of the present invention is to provide a golf club shaft having excellent strength. The present invention provides a golf club shaft made of a fiber-reinforced epoxy resin material comprising a cured product of an epoxy resin composition and a reinforcing fiber, wherein the epoxy resin composition comprises at least one selected from the group consisting of a bisphenol A type epoxy resin, a bisphenol F type epoxy resin and a novolac type epoxy resin, and a tetraglycidyl type epoxy resin as an epoxy resin component, and the cured product of the epoxy resin composition has a swelling ratio in a range from 20 mass % to 44 mass % in methyl ethyl ketone.

Abstract translation: 本发明的目的是提供一种具有优异强度的高尔夫球棒杆。 本发明提供一种由包含环氧树脂组合物和增强纤维的固化产物的纤维增强环氧树脂材料制成的高尔夫球杆杆，其中环氧树脂组合物包括选自双酚A型 环氧树脂，双酚F型环氧树脂和酚醛清漆型环氧树脂以及作为环氧树脂组分的四缩水甘油型环氧树脂，并且环氧树脂组合物的固化产物的溶胀比在20质量％至44的范围内 质量％在甲基乙基酮中。

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。