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    GOLF BALL
    1.
    发明申请
    GOLF BALL 审中-公开

    公开(公告)号：US20180118918A1

    公开(公告)日：2018-05-03

    申请号：US15716972

    申请日：2017-09-27

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Chiemi MIKURA ,  Kazuyoshi SHIGA ,  Hikaru NAGAKURA ,  Ryota SAKAMINE

    IPC: C08K5/098 ,  A63B37/00 ,  C08K5/14 ,  C08K5/375

    Abstract: A golf ball includes a spherical core, and a cover covering the spherical core. The spherical core is formed from a rubber composition including a base rubber, a co-cross-linking agent, a cross-linking initiator, and an unsaturated fatty acid and/or a metal salt thereof, the co-cross-linking agent includes α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, the unsaturated fatty acid and/or metal salt thereof excludes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and a metal salt thereof, an unsaturated aliphatic carboxylic acid that forms the unsaturated fatty acid and/or metal salt thereof has a functional group other than a carboxy group and a carbon-carbon unsaturated bond, and the rubber composition further includes a metal compound when the co-cross-linking agent is only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms.

    RESIN COMPOSITION FOR GOLF BALL AND GOLF BALL
    4.
    发明申请
    RESIN COMPOSITION FOR GOLF BALL AND GOLF BALL 有权
    高尔夫球和高尔夫球的树脂组合物

    公开(公告)号：US20150057103A1

    公开(公告)日：2015-02-26

    申请号：US14465034

    申请日：2014-08-21

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Kazuyoshi SHIGA ,  Yasuo KUBOTA ,  Takahiro SHIGEMITSU

    IPC: C08K5/19 ,  C08K5/09 ,  A63B37/00 ,  C08K3/22

    CPC classification number: C08K5/19 ,  A63B37/0039 ,  A63B37/0051 ,  A63B37/0059 ,  A63B37/0073 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  C08K3/22 ,  C08K5/09 ,  C08K5/175 ,  C08K5/20 ,  C08K5/32 ,  C08K5/42 ,  C08K5/521 ,  C08K2003/2224 ,  C08L23/08 ,  C08L23/0869

    Abstract: The present invention provides a resin composition for golf balls that is excellent in resilience, flexibility, and fluidity. The present invention also provides a golf ball excellent in resilience, shot feeling, and productivity. The present invention includes a resin composition for golf balls including: (A) at least one selected from the group consisting of (a-1) a bipolymer of an olefin and a C3-C8 α,β-unsaturated carboxylic acid, (a-2) a metal ion-neutralized product of a bipolymer of an olefin and a C3-C8 α,β-unsaturated carboxylic acid, (a-3) a terpolymer of an olefin, a C3-C8 α,β-unsaturated carboxylic acid, and an α,β-unsaturated carboxylic acid ester, and (a-4) a metal ion-neutralized product of a terpolymer of an olefin, a C3-C8 α,β-unsaturated carboxylic acid, and an α,β-unsaturated carboxylic acid ester; (B) a compound containing an unsaturated hydrocarbon chain, a cationic moiety, and an anionic moiety in its molecule; and (C) an unsaturated fatty acid.

    Abstract translation: 本发明提供一种弹性，柔韧性和流动性优异的高尔夫球用树脂组合物。 本发明还提供了弹性，拍摄感和生产率优异的高尔夫球。 本发明包括一种用于高尔夫球的树脂组合物，其包括：（A）至少一种选自（a-1）烯烃和C 3 -C 8α的二元共聚物，不饱和羧酸（a-1） -2）烯烃和C3-C8α，β-不饱和羧酸的共聚物的金属离子中和产物，（a-3）烯烃的三元共聚物，C3-C8α，不饱和的 羧酸和α，β-不饱和羧酸酯，和（a-4）烯烃，C3-C8α和不饱和羧酸的三元共聚物的金属离子中和产物和α 不饱和羧酸酯; （B）分子中含有不饱和烃链，阳离子部分和阴离子部分的化合物; 和（C）不饱和脂肪酸。

    GOLF CLUB GRIP AND GOLF CLUB
    5.
    发明申请
    GOLF CLUB GRIP AND GOLF CLUB 审中-公开

    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.

    GOLF BALL
    6.
    发明申请
    GOLF BALL 审中-公开

    公开(公告)号：US20180126226A1

    公开(公告)日：2018-05-10

    申请号：US15782069

    申请日：2017-10-12

    Applicant: Dunlop Sports Co. Ltd.

    Inventor： Chiemi MIKURA ,  Kazuyoshi SHIGA ,  Hikaru NAGAKURA ,  Ryota SAKAMINE

    IPC: A63B37/00 ,  C08K5/09

    CPC classification number: A63B37/0074 ,  A63B37/003 ,  A63B37/0031 ,  A63B37/0051 ,  A63B37/0063 ,  A63B37/0092 ,  A63B37/0096 ,  C08K5/09

    Abstract: An object of the present invention is to provide a golf ball having an excellent flight performance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein a hardness difference D1 (H75−H0) between a hardness H75 at a point located at a distance of 75% of a core radius from a center of the spherical core and a center hardness H0 of the spherical core is 15 or more and 35 or less in Shore C hardness, a hardness difference D2 (Hs−H75) between a surface hardness Hs of the spherical core and the hardness H75 at the point located at the distance of 75% of the core radius from the center of the spherical core is −1 or more and 3.5 or less in Shore C hardness, and a hardness difference D3 ((H0+H75)/2−H37.5) between a hardness of (the center hardness H0 of the spherical core+the hardness H75 at the point located at the distance of 75% of the core radius from the center of the spherical core)/2 and a hardness H37.5 at a point located at a distance of 37.5% of the core radius from the center of the spherical core is 0.5 or more and 6.5 or less in Shore C hardness.

    GOLF CLUB GRIP, GOLF CLUB AND METHOD FOR PRODUCING GOLF CLUB GRIP
    7.
    发明申请
    GOLF CLUB GRIP, GOLF CLUB AND METHOD FOR PRODUCING GOLF CLUB GRIP 审中-公开
    高尔夫俱乐部GRIP，高尔夫俱乐部和生产高尔夫俱乐部的方法

    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。

    GOLF BALL RESIN COMPOSITION AND GOLF BALL
    8.
    发明申请
    GOLF BALL RESIN COMPOSITION AND GOLF BALL 有权
    高尔夫球形树脂组合物和高尔夫球

    公开(公告)号：US20130172110A1

    公开(公告)日：2013-07-04

    申请号：US13728644

    申请日：2012-12-27

    Applicant: DUNLOP SPORTS CO., LTD.

    Inventor： Kazuyoshi SHIGA ,  Ryo MURAKAMI ,  Takahiro SHIGEMITSU

    IPC: C08F22/02 ,  A63B37/00

    CPC classification number: C08F22/02 ,  A63B37/0051 ,  A63B37/0054 ,  A63B37/0059 ,  A63B37/006 ,  A63B37/0073 ,  C08K5/098

    Abstract: An object of the present invention is to provide a golf ball excellent in a shot feeling and resilience. The present invention provides a golf ball resin composition comprising (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer, (a-3) a ternary copolymer composed of the binary copolymer components and an α,β-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components; and (B) a basic metal salt of a fatty acid, and having a spin-lattice relaxation time (T1) of 13C nucleus of 5.56 seconds or shorter measured by a High resolution solid state nuclear magnetic resonance (NMR) method.

    Abstract translation: 本发明的目的在于提供一种射击感和弹性优异的高尔夫球。 本发明提供一种高尔夫球树脂组合物，其包含（A）至少一种选自（a-1）由烯烃组成的二元共聚物和具有3-8个碳原子的α，β-不饱和羧酸的树脂组分 原子，（a-2）由二元共聚物的金属离子中和产物（a-3）组成的离聚物树脂，（a-3）由二元共聚物组分和α，β-不饱和羧酸酯组成的三元共聚物和（ a-4）由三元共聚物组分的金属离子中和产物组成的离聚物树脂; 和（B）脂肪酸的碱金属盐，通过高分辨率固态核磁共振（NMR）法测定的具有5.56秒或更短的13C核的自旋晶格弛豫时间（T1）为5.56秒或更短。

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