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    Golf ball
    4.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US09050500B2

    公开(公告)日：2015-06-09

    申请号：US13410012

    申请日：2012-03-01

    Applicant: Atsushi Komatsu ,  Yuichiro Ozawa ,  Hiroshi Nasu

    Inventor： Atsushi Komatsu ,  Yuichiro Ozawa ,  Hiroshi Nasu

    IPC: A63B37/00 ,  A63B37/06 ,  A63B37/08 ,  A63B37/12 ,  A63B37/14 ,  C09D5/00

    CPC classification number: A63B37/0022 ,  A63B37/0003 ,  A63B37/0004 ,  A63B37/0023 ,  A63B37/0029 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0064 ,  A63B37/0074 ,  A63B37/0075 ,  A63B37/0092 ,  C09D5/00

    Abstract: A golf ball of the present invention includes: a core located in the center of the golf ball; a cover surrounding the outside of the core and having plural dimples on the surface thereof; a paint layer surrounding the outside of the cover; and a top coat further surrounding the outside of the paint layer. The paint layer is formed of a material having rubber elasticity. The top coat may have a thickness of at most approximately 60 μm. A material for forming the paint layer has a first loss tangent, a material for forming the cover has a second loss tangent, and a difference Td between the first loss tangent and the second loss tangent may be at least approximately 0.05.

    Abstract translation: 本发明的高尔夫球包括：位于高尔夫球中心的核心; 围绕所述芯部的外部并且在其表面上具有多个凹坑的盖子; 围绕盖的外侧的涂料层; 以及进一步围绕涂层外侧的顶涂层。 漆层由具有橡胶弹性的材料形成。 面漆可以具有至多约60μm的厚度。 用于形成涂料层的材料具有第一损耗角正切，用于形成盖子的材料具有第二损耗角正切，并且第一损耗角正切和第二损耗角正切之间的差Td可以至少为0.05。

    GOLF BALL
    5.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20140073461A1

    公开(公告)日：2014-03-13

    申请号：US13606825

    申请日：2012-09-07

    Applicant: Yuichiro OZAWA ,  Daisuke ARAI ,  Hiroshi HIGUCHI ,  Takashi OHIRA ,  Katsunori SATO

    Inventor： Yuichiro OZAWA ,  Daisuke ARAI ,  Hiroshi HIGUCHI ,  Takashi OHIRA ,  Katsunori SATO

    IPC: A63B37/02

    CPC classification number: A63B37/0084 ,  A63B37/0018 ,  A63B37/0019 ,  A63B37/002 ,  A63B37/0022 ,  A63B37/0029 ,  A63B37/0051 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/008 ,  A63B37/0083

    Abstract: The invention provides a golf ball endowed with an improved distance and durability. The ball has a core and a cover, the core being formed of a rubber composition containing a base rubber, a co-crosslinking agent, a crosslinking initiator, a metal oxide and an organosulfur compound. The co-crosslinking agent is methacrylic acid, the metal oxide is zinc oxide, and the rubber composition contains the crosslinking initiator in an amount of from 1.2 to 5 parts by weight per 100 parts by weight of the base rubber. The finished ball has an initial velocity of at least 74.3 m/s.

    Abstract translation: 本发明提供了具有改进的距离和耐久性的高尔夫球。 球具有芯和盖，芯由橡胶组合物形成，该橡胶组合物含有基础橡胶，共交联剂，交联引发剂，金属氧化物和有机硫化合物。 共交联剂是甲基丙烯酸，金属氧化物是氧化锌，橡胶组合物含有每100重量份基础橡胶1.2-5重量份的交联引发剂。 成品球的初始速度至少为74.3m / s。

    GOLF BALL
    6.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20140073455A1

    公开(公告)日：2014-03-13

    申请号：US13606325

    申请日：2012-09-07

    Applicant: Yuichiro OZAWA ,  Daisuke ARAI ,  Hiroshi HIGUCHI ,  Takashi OHIRA ,  Katsunori SATO

    Inventor： Yuichiro OZAWA ,  Daisuke ARAI ,  Hiroshi HIGUCHI ,  Takashi OHIRA ,  Katsunori SATO

    IPC: A63B37/06

    CPC classification number: A63B37/0084 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0063 ,  A63B37/0065 ,  A63B37/0074 ,  A63B37/008 ,  A63B37/0081 ,  A63B37/0083

    Abstract: The invention provides a golf ball endowed with an improved distance and durability. The ball has a core and a cover, the core being formed of a rubber composition containing a base rubber, a co-crosslinking agent, a crosslinking initiator and a metal oxide. The co-crosslinking agent is methacrylic acid. The core has a hardness profile in which, letting (A) be the JIS-C hardness at the core surface, (B) be the JIS-C hardness at a position 2 mm in from the surface toward the center of the core, (C) be the JIS-C hardness at a position 5 mm in from the surface toward the center of the core, (D) be the JIS-C hardness at a position 10 mm in from the surface toward the center of the core, (E) be the JIS-C hardness at a position 15 mm in from the surface toward the center of the core, and (F) be the JIS-C hardness at the center of the core, (A) to (F) have specific hardnesses.

    Abstract translation: 本发明提供了具有改进的距离和耐久性的高尔夫球。 球具有芯和盖，芯由橡胶组合物形成，该橡胶组合物含有基础橡胶，共交联剂，交联引发剂和金属氧化物。 共交联剂是甲基丙烯酸。 芯部具有硬度分布，其中（A）为芯部表面的JIS-C硬度，（B）为从芯部的表面向中心2mm的位置处的JIS-C硬度（ C）为从芯的表面向中心5mm的位置处的JIS-C硬度，（D）是从表面向芯的中心10mm的位置处的JIS-C硬度（ E）为从芯的表面向中心15mm的位置处的JIS-C硬度，（F）为芯的中心处的JIS-C硬度，（A）〜（F）具有特定的 硬度。

    Rubber composition for golf ball
    7.
    发明授权
    Rubber composition for golf ball 有权
    高尔夫球用橡胶组合物

    公开(公告)号：US08648133B2

    公开(公告)日：2014-02-11

    申请号：US13300763

    申请日：2011-11-21

    Applicant: Yuichiro Ozawa ,  Tsuyoshi Nakajima ,  Teppei Mori ,  Yusuke Yamagata ,  Takahiro Iwai

    Inventor： Yuichiro Ozawa ,  Tsuyoshi Nakajima ,  Teppei Mori ,  Yusuke Yamagata ,  Takahiro Iwai

    IPC: C08K5/405

    CPC classification number: C08K5/405 ,  C08K5/098 ,  C08L21/00

    Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a thiourea of the general formula wherein R is independently at each occurrence a hydrogen atom or a hydrocarbon group of 1 to 20 carbons. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

    Abstract translation: 本发明提供了一种高尔夫球用橡胶组合物，其包含（A）含有顺式-1,4键含量为至少60重量％的聚丁二烯的基础橡胶，（B）不饱和羧酸和/或其金属盐 和（C）通式的硫脲，其中R在每次出现时独立地为氢原子或碳原子数为1〜20的烃基。 本发明的高尔夫球橡胶组合物能够获得具有合适的硬度和高弹性的高品质的模制和交联的产品。

    RUBBER COMPOSITION FOR GOLF BALL
    10.
    发明申请
    RUBBER COMPOSITION FOR GOLF BALL 审中-公开
    高尔夫球用橡胶组合物

    公开(公告)号：US20130131234A1

    公开(公告)日：2013-05-23

    申请号：US13300855

    申请日：2011-11-21

    Applicant: Yuichiro OZAWA ,  Tsuyoshi NAKAJIMA ,  Teppei MORI ,  Yusuke YAMAGATA ,  Takahiro IWAI

    Inventor： Yuichiro OZAWA ,  Tsuyoshi NAKAJIMA ,  Teppei MORI ,  Yusuke YAMAGATA ,  Takahiro IWAI

    IPC: C08L9/00 ,  C08K5/56

    CPC classification number: C08K5/098 ,  C08K5/09 ,  C08K5/56 ,  C08L9/00

    Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a benzimidazole of general formula (1) below wherein R1 and R2 are each independently a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, and m and n are each an integer from 1 to 4, with the proviso that if m and/or n is 2 or more, each occurrence of R1 and R2 may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

    Abstract translation: 本发明提供了一种高尔夫球用橡胶组合物，其包含（A）含有顺式-1,4键含量为至少60重量％的聚丁二烯的基础橡胶，（B）不饱和羧酸和/或其金属盐 和（C）下述通式（1）的苯并咪唑，其中R 1和R 2各自独立地为氢原子或1〜20个碳的烃基，m和n各自为1〜4的整数，条件是 如果m和/或n为2以上，则R1和R2的每次出现可以相同或不同。 本发明的高尔夫球橡胶组合物能够获得具有合适的硬度和高弹性的高品质的模制和交联的产品。

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