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    GOLF BALL
    1.
    发明授权
    GOLF BALL 有权

    公开(公告)号：EP3037137B1

    公开(公告)日：2018-07-11

    申请号：EP15201830.5

    申请日：2015-12-22

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： TACHIBANA, Kosuke ,  KAMINO, Kazuya

    IPC分类号： A63B37/00

    CPC分类号： A63B37/0092 ,  A63B37/004 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0077 ,  A63B37/0094

    摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (H X+1 -H X-1 ) between a hardness (H X+1 ) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (H X-1 ) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (H X+Y ) of the spherical core is more than 70 in Shore C hardness, an angle ± of a hardness gradient of the inner layer is 0° or more, and a difference (±-²) between the angle ± and an angle ² of a hardness gradient of the outer layer is 0° or more.

    GOLF BALL
    4.
    发明公开
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：EP3088060A1

    公开(公告)日：2016-11-02

    申请号：EP16166583.1

    申请日：2016-04-22

    申请人： Dunlop Sports Co., Ltd.

    发明人： KAMINO, Kazuya ,  TACHIBANA, Kosuke

    IPC分类号： A63C17/00 ,  A63B37/00

    CPC分类号： A63B37/0092 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0037 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0049 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076

    摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, an intermediate layer and and a cover, wherein a difference (H X+1 -H X-1 ) between a hardness (H X+1 ) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (H X-1 ) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (H X+Y ) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0º or more, a difference (α-β) between the angle α and an angle β of a hardness gradient of the outer layer is 0º or more, the intermediate layer has a material hardness (Hm) ranging from 65 to 80 in Shore D hardness, and the intermediate layer has a highest hardness among the constituent members of the golf ball.

    摘要翻译： 本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。 本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，中间层和盖，其中硬度（H X + 1 -H X-1）之间的差（H X + 1 -H X-1） ）在径向方向上从球形芯的内层和外层之间的边界离开1mm的点处，并且在径向方向上从径向向内的点处的硬度（H X-1） 球形芯的内层和外层1mm的肖氏C硬度为0以上，球状芯的表面硬度（H X + Y）大于70，肖氏C硬度为± 内层的硬度梯度为0°以上，外层的硬度梯度的角度±与角度θ之间的差（±-²）为0°以上，中间层的材料硬度（Hm）为 65至80的肖氏D硬度，并且中间层在组成物中具有最高的硬度 高尔夫球的球员。

    GOLF BALL
    5.
    发明公开
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：EP3088051A1

    公开(公告)日：2016-11-02

    申请号：EP16166584.9

    申请日：2016-04-22

    申请人： Dunlop Sports Co., Ltd.

    发明人： TACHIBANA, Kosuke ,  KAMINO, Kazuya

    IPC分类号： A63B37/00

    CPC分类号： A63B37/0084 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/0096 ,  A63B45/00

    摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (H X+1 -H X-1 ) between a hardness (H X+1 ) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (H X-1 ) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (H X+Y ) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α-β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, and the intermediate layer has a highest hardness among the constituent members of the golf ball.

    摘要翻译： 本发明的目的是提供一种在驾驶员镜头上行驶很长距离的高尔夫球。 本发明提供了一种高尔夫球，其包括具有内层和外层的球形芯，其中，在外侧的点处的硬度（H X + 1）之间的差（H X + 1 -H X -1） 从球形芯的内层和外层之间的边界的径向方向为1mm，并且在径向方向上从内层和外层之间的边界向内的点处的硬度（H X-1） 1mm的球形芯的肖氏C硬度为0以上，球状芯的表面硬度（H X + Y）在肖氏C硬度中大于70，内层的硬度梯度的角度±0为0 °以上，外层的硬度梯度的角度±与角度θ之间的差（±-2）为0°以上，中间层在高尔夫球的构成构件中具有最高的硬度。

    Golf ball
    7.
    发明公开
    Golf ball 有权
    高尔夫球

    公开(公告)号：EP2668980A3

    公开(公告)日：2014-09-03

    申请号：EP13169602.3

    申请日：2013-05-29

    申请人： Dunlop Sports Co., Ltd.

    发明人： Isogawa, Kazuhiko ,  Tachibana, Kosuke ,  Sajima, Takahiro ,  Tarao, Toshiyuki

    IPC分类号： A63B37/00

    CPC分类号： A63B37/0076 ,  A63B37/0003 ,  A63B37/0004 ,  A63B37/0006 ,  A63B37/0018 ,  A63B37/0021 ,  A63B37/0033 ,  A63B37/0038 ,  A63B37/0039 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0075 ,  A63B37/0077 ,  A63B37/0092 ,  C08K5/09 ,  C08K5/098 ,  C09D175/04

    摘要： The present invention provides a golf ball comprising a golf ball body with a spherical core having one or more layers, an intermediate layer disposed outside the spherical core and a cover disposed outside the intermediate layer and a paint film formed on a surface of the golf ball body, and having a friction coefficient calculated using a contact force tester of 0.35 or more and 0.60 or less, wherein the golf ball body has specific plurality of dimples on the surface thereof, at least one layer of the spherical core is a rubber layer having a specific hardness distribution, and the rubber layer has a hardness at the outermost point which is greater than a hardness at the innermost point, and the intermediate layer has a slab hardness (Hm) which is greater than a slab hardness (Hc) of the cover.

    摘要翻译： 本发明提供一种高尔夫球，该高尔夫球包括具有一个或多个球层的球形球芯的高尔夫球本体，设置在球形球芯外侧的中间层和设置在中间层外侧的覆盖层以及形成在高尔夫球表面上的漆膜 并且使用接触力测试仪计算的摩擦系数为0.35以上至0.60以下，其中所述高尔夫球本体在其表面上具有特定的多个凹坑，所述球形芯的至少一层是具有 特定的硬度分布，并且所述橡胶层在最外点的硬度大于最内点的硬度，并且所述中间层的板坯硬度（Hm）大于所述中间层的板坯硬度（Hc） 盖。

    Golf ball
    9.
    发明公开
    Golf ball 有权
    高尔夫球

    公开(公告)号：EP2669327A1

    公开(公告)日：2013-12-04

    申请号：EP13164439.5

    申请日：2013-04-19

    申请人： Dunlop Sports Co., Ltd.

    发明人： Isogawa, Kazuhiko ,  Tachibana, Kosuke

    IPC分类号： C08K5/00 ,  C08K5/098 ,  A63B37/00 ,  C08K5/09 ,  A63B37/06

    CPC分类号： A63B37/0054 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/06 ,  C08K5/0025 ,  C08K5/09 ,  C08K5/098 ,  C08K2201/014 ,  C08L21/00

    摘要： A golf ball 2 includes a core 4, a first mid layer 6, a second mid layer 8, and a cover 12. The core 4 includes a center 18 and an envelope layer 20. The center 18 is formed by crosslinking a first rubber composition, and the envelope layer 20 is formed by crosslinking a second rubber composition. The first rubber composition or the second rubber composition includes a base rubber, a co-crosslinking agent, a crosslinking initiator, and an acid and/or a salt. The co-crosslinking agent is:
    (1) an α, β-unsaturated carboxylic acid having 3 to 8 carbon atoms; and/or
    (2) a metal salt of an α, β-unsaturated carboxylic acid having 3 to 8 carbon atoms.

    A hardness Hm2 of the second mid layer 8 is greater than a hardness Hm1 of the first mid layer 6. The hardness Hm2 is greater than a hardness Hc of the cover 12.

    摘要翻译： 高尔夫球2包括芯4，第一中间层6，第二中间层8和盖12.芯4包括中心18和包层20.中心18通过将第一橡胶组合物 并且通过交联第二橡胶组合物形成包络层20。 第一橡胶组合物或第二橡胶组合物包括基础橡胶，共交联剂，交联引发剂和酸和/或盐。 共交联剂为：（1）具有3-8个碳原子的±，2-不饱和羧酸; 和/或（2）具有3-8个碳原子的±，2-不饱和羧酸的金属盐。 第二中间层8的硬度Hm2大于第一中间层6的硬度Hm1。硬度Hm2大于盖12的硬度Hc。

    Golf ball
    10.
    发明公开
    Golf ball 有权
    高尔夫球

    公开(公告)号：EP2666522A1

    公开(公告)日：2013-11-27

    申请号：EP13168897.0

    申请日：2013-05-23

    申请人： Dunlop Sports Co., Ltd.

    发明人： Sajima, Takahiro ,  Inoue, Hidetaka

    IPC分类号： A63B37/00 ,  C08K5/098 ,  C08K5/14 ,  C08K5/09 ,  C08L21/00 ,  B32B25/02 ,  B32B25/08 ,  A63B37/02

    CPC分类号： A63B37/0054 ,  A63B37/0032 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/02 ,  C08K5/09 ,  C08K5/14

    摘要： A golf ball 2 includes a core 4, an inner cover 6, and an outer cover 8. The core 4 includes a center 10 and an envelope layer 12. The envelope layer 12 is formed by a rubber composition being crosslinked. The rubber composition includes a base rubber (a), a co-crosslinking agent (b), a crosslinking initiator (c), and an acid and/or a salt (d). The co-crosslinking agent (b) is (b1) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms; or (b2) a metal salt of an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms. A hardness Hi of the inner cover 6 is greater than a hardness Hs at a surface of the core 4. A hardness Ho of the outer cover 8 is less than the hardness Hi.

    摘要翻译： 高尔夫球2包括芯4，内盖6和外盖8.芯4包括中心10和包层12.包层12由交联的橡胶组合物形成。 橡胶组合物包括基础橡胶（a），共交联剂（b），交联引发剂（c）和酸和/或盐（d）。 共交联剂（b）是（b1）具有3-8个碳原子的±，2-不饱和羧酸; 或（b2）具有3-8个碳原子的±，2-不饱和羧酸的金属盐。 内盖6的硬度Hi大于芯体4表面的硬度Hs。外盖8的硬度Ho小于硬度H 1。