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    Golf ball
    1.
    发明授权
    Golf ball 有权

    公开(公告)号：US09694243B2

    公开(公告)日：2017-07-04

    申请号：US14473611

    申请日：2014-08-29

    Applicant: Dunlop Sports Co., Ltd.

    Inventor： Chiemi Mikura ,  Ayaka Shindo ,  Mikio Yamada

    IPC: A63B37/00 ,  A63B37/02 ,  C08K5/37 ,  C08K5/375

    CPC classification number: A63B37/0063 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0074 ,  A63B37/0096 ,  C08K5/37 ,  C08K5/375 ,  C08K5/09 ,  C08L9/00 ,  C08K3/22

    Abstract: An object of the present invention is to provide a golf ball showing a low spin rate on driver shots and an excellent shot feeing. The present invention provides a golf ball having a spherical core and at least one cover covering the spherical core, wherein the spherical core is 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, (c) a crosslinking initiator, and at least one compound of (d) mercaptobenzoic acids and/or salts thereof, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent, and the spherical core has a hardness difference (Hs−Ho) between a surface hardness (Hs) and a center hardness (Ho) thereof of 20 or more in JIS-C hardness.

    Golf club grip and golf club
    2.
    发明授权
    Golf club grip and golf club 有权
    高尔夫球杆手柄和高尔夫球杆

    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

    IPC: A63B60/08 ,  A63B53/14 ,  C08L21/00

    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。

    Golf ball
    3.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US09302158B2

    公开(公告)日：2016-04-05

    申请号：US14292227

    申请日：2014-05-30

    Applicant: DUNLOP SPORTS CO., LTD.

    Inventor： Ayaka Shindo ,  Chiemi Mikura ,  Ryota Sakamine

    IPC: A63B37/00 ,  C08K5/37 ,  C08K5/375 ,  C08K5/372 ,  C08K5/38 ,  C08K5/09 ,  C08K5/098

    CPC classification number: A63B37/0051 ,  A63B37/0007 ,  A63B37/0018 ,  A63B37/0063 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B2037/0079 ,  C08K5/09 ,  C08K5/098 ,  C08K5/37 ,  C08K5/372 ,  C08K5/375 ,  C08K5/38

    Abstract: A golf ball, showing a lower spin rate and a greater flight distance on driver shots by controlling a hardness distribution of the spherical core thereof, comprises a spherical core and at least one cover layer covering the spherical core. The spherical core is 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, (c) a crosslinking initiator, (d1) a salt of a carboxylic acid having 1 to 4 carbon atoms, or an aromatic carboxylic acid and/or a salt thereof, and (d2) at least one compound selected from the group consisting of an aliphatic carboxylic acid having 5 or more carbon atoms, a salt of an aliphatic carboxylic acid having 5 or more carbon atoms, thiobenzoic acids, salts of thiobenzoic acids, a mercaptocarboxylic acid derivative and a dithiodicarboxylic acid derivative.

    Abstract translation: 通过控制其球形芯的硬度分布，显示较低旋转速度和较高的驾驶员射击距离的高尔夫球包括球形芯和覆盖球形芯的至少一个覆盖层。 球形芯由含有（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的橡胶组合物形成（（ c）交联引发剂，（d1）具有1至4个碳原子的羧酸盐或芳族羧酸和/或其盐，和（d2）至少一种选自脂肪族 具有5个或更多个碳原子的羧酸，具有5个或更多个碳原子的脂族羧酸的盐，硫代苯甲酸，硫代苯甲酸的盐，巯基羧酸衍生物和二硫代二羧酸衍生物。

    GOLF BALL
    4.
    发明申请
    GOLF BALL 审中-公开

    公开(公告)号：US20180056137A1

    公开(公告)日：2018-03-01

    申请号：US15670218

    申请日：2017-08-07

    Applicant: DUNLOP SPORTS CO., LTD.

    Inventor： Hikaru NAGAKURA ,  Kazuyoshi Shiga ,  Chiemi Mikura

    IPC: A63B37/00

    CPC classification number: A63B37/005 ,  A63B37/0023 ,  A63B37/0051 ,  A63B37/007 ,  A63B37/0074 ,  A63B37/008 ,  C08K5/0025 ,  C08K5/09 ,  C08K5/098 ,  C08K5/36 ,  C08L13/00 ,  C08L9/00

    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, an unsaturated fatty acid and/or a metal salt thereof, and an aromatic carboxylic acid and/or a metal salt thereof, the co-cross-linking agent includes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, the unsaturated fatty acid and metal salt thereof excludes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and a metal salt thereof, and the rubber composition includes a metal compound when the co-cross-linking agent contains only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms.

    Golf ball
    8.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US09533195B2

    公开(公告)日：2017-01-03

    申请号：US15013805

    申请日：2016-02-02

    Applicant: Dunlop Sports Co. Ltd.

    Inventor： Ryota Sakamine ,  Chiemi Mikura ,  Ayaka Shindo

    IPC: A63B37/00 ,  A63B37/06 ,  C08K5/1535 ,  C08K5/45

    CPC classification number: A63B37/0051 ,  A63B37/0007 ,  A63B37/0018 ,  A63B37/0054 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B2037/0079 ,  C08K5/1535 ,  C08K5/45

    Abstract: An object of the present invention is to provide a golf ball showing a low spin rate 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 the spherical core is 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, (c) a crosslinking initiator and (d) a carboxylic acid having a heterocyclic ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

    Abstract translation: 本发明的目的是提供一种在驾驶员镜头上显示低旋转速率的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3至8个碳原子的酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有杂环的羧酸和/或其盐，条件是橡胶组合物 在（b）含有3〜8个碳原子的α，β-不饱和羧酸作为共交联剂的情况下，还含有（e）金属化合物。

    Golf ball
    9.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US09174092B2

    公开(公告)日：2015-11-03

    申请号：US13728810

    申请日：2012-12-27

    Applicant: Dunlop Sports Co., Ltd.

    Inventor： Ryota Sakamine ,  Chiemi Mikura ,  Shun Kurihara ,  Ayaka Shindo

    IPC: A63B37/06 ,  C08K5/18 ,  C08K5/09 ,  A63B37/00 ,  C08K5/17 ,  C08K5/37 ,  C08K5/372 ,  C08K5/095

    CPC classification number: A63B37/0051 ,  A63B37/0054 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/0096 ,  C08K5/09 ,  C08K5/095 ,  C08K5/175 ,  C08K5/37 ,  C08K5/372 ,  C08L9/00 ,  C08L21/00

    Abstract: An object of the present invention is to provide a golf ball having a low spin rate 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 the spherical core is formed from a rubber composition containing (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, (c) a crosslinking initiator and (d) a carboxylic acid having a benzene ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

    Abstract translation: 本发明的目的是提供一种在驾驶员镜头上具有低旋转速率的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，所述橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3至8个碳原子的酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有苯环和/或其盐的羧酸，条件是橡胶组合物 在（b）具有3〜8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下，还含有（e）金属化合物。

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