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    GOLF BALL
    11.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20130303307A1

    公开(公告)日：2013-11-14

    申请号：US13891277

    申请日：2013-05-10

    Applicant: DUNLOP SPORTS CO. LTD.

    Inventor： Ryota SAKAMINE ,  Chiemi MIKURA ,  Ayaka SHINDO ,  Yumi KANEMITSU

    IPC: A63B37/00

    CPC classification number: A63B37/0054 ,  A63B37/0051 ,  A63B37/0063 ,  A63B37/0074 ,  C08K5/0025 ,  C08K5/098 ,  C08K5/14 ,  C08L21/00

    Abstract: The present invention provides a golf ball having 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) an acid and/or a salt 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, wherein (d) the acid and/or the salt thereof has a relative solubility parameter to (a) the base rubber and (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or the metal salt thereof ranging from 0.45 to 1.10.

    Abstract translation: 本发明提供了一种高尔夫球，其具有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）酸和/或其盐，条件是橡胶组合物还含有（e ）在仅含有（b）具有3至8个碳原子的α，β-不饱和羧酸作为共交联剂的情况下的金属化合物，其中（d）酸和/或其盐具有相对溶解度 参数为（a）基础橡胶和（b）具有3至8个碳原子的α，β-不饱和羧酸和/或其金属盐的范围为0.45至1.10。

    GOLF BALL
    12.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20170036068A1

    公开(公告)日：2017-02-09

    申请号：US15295748

    申请日：2016-10-17

    Applicant: Dunlop Sports Co., Ltd.

    Inventor： Chiemi MIKURA ,  Kazuhisa FUSHIHARA ,  Mikio YAMADA ,  Shun KURIHARA ,  Ayaka SHINDO

    IPC: A63B37/00 ,  A63B45/00

    CPC classification number: A63B37/0054 ,  A63B37/0003 ,  A63B37/0009 ,  A63B37/0018 ,  A63B37/0022 ,  A63B37/0051 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0078 ,  A63B37/0084 ,  A63B37/0087 ,  A63B37/009 ,  A63B37/0094 ,  A63B37/0096 ,  A63B45/00 ,  C08K5/09 ,  C08K5/098 ,  C08K5/372 ,  C08K5/375 ,  C08L9/00

    Abstract: An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having 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 (d1) an aromatic carboxylic acid or (d2) an aromatic carboxylic acid salt, 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.

    Abstract translation: 本发明的目的是提供一种飞行性能优异的高尔夫球，特别是提供一种高飞行距离的高尔夫球。 本发明提供了一种高尔夫球，其具有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（d1）芳族羧酸或（d2）芳族羧酸盐，条件是橡胶 组合物还含有（e）仅含有（b）具有3〜8个碳原子的α，β-不饱和羧酸作为共交联剂的情况下的金属化合物。

    GOLF BALL
    14.
    发明申请
    GOLF BALL 有权
    高尔夫球

    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。

    GOLF BALL
    15.
    发明申请
    GOLF BALL 有权
    高尔夫球

    公开(公告)号：US20140357406A1

    公开(公告)日：2014-12-04

    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

    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 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。

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