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    • 33. 发明授权
    • Solid golf ball
    • 固体高尔夫球
    • US5919101A
    • 1999-07-06
    • US29227
    • 1998-02-25
    • Masatoshi YokotaKeiji MoriyamaSatoshi Iwami
    • Masatoshi YokotaKeiji MoriyamaSatoshi Iwami
    • A63B37/00A63B37/12A63B37/06
    • A63B37/0003A63B37/0075
    • The present invention provides a golf ball, particularly a solid golf ball having good shot feel and excellent controllability at approach shot, while keeping the characteristics inherent to the solid golf ball, i.e. excellent flight performance and excellent durability. The present invention relates to a solid golf ball comprising a core and a cover formed on the core, wherein the cover has a two-layer structure consisting of an inner cover and an outer cover formed on the inner cover, and the core is formed from a rubber composition comprising 0.05 to 5 parts by weight of an organic sulfide compound, based on 100 parts by weight of a base rubber.
    • PCT No.PCT / JP96 / 02354 Sec。 371日期:1998年2月25日 102(e)1998年2月25日PCT PCT 1996年8月23日PCT公布。 公开号WO97 / 07861 日期1997年3月6日本发明提供了一种保持高尔夫球固有特性,即优异的飞行性能和优异的耐久性的高尔夫球,特别是在接近射击时具有良好的射击感和优异的可控性的高尔夫球。 本发明涉及一种固体高尔夫球,其包括芯和形成在芯上的盖,其中盖具有由内盖和形成在内盖上的外盖组成的两层结构,并且芯由 基于100重量份的基础橡胶,包含0.05-5重量份的有机硫化物的橡胶组合物。
    • 37. 发明授权
    • Solid golf ball
    • 固体高尔夫球
    • US06987159B2
    • 2006-01-17
    • US10260434
    • 2002-10-01
    • Satoshi Iwami
    • Satoshi Iwami
    • A63B37/12A63B37/00
    • C08G18/10A63B37/0003A63B37/0031A63B37/0033A63B37/0062A63B37/06A63B37/12C08G18/3814C08G18/3821
    • A solid golf ball with a polyurethane cover having satisfactory formability and ball properties. The solid golf ball has a solid core, and a polyurethane cover for covering the solid core, wherein the difference in Shore D hardness between a center portion and a surface portion of the solid core is at least 15; the polyurethane cover has a thickness (t) of not more than 1.0 mm, and is formed from a cured urethane composition having Shore D hardness (D) of from 35 to 60; a product of the thickness(t) and the Shore D Hardness (D) of the cured urethane composition is ranging from 10 to 45(10≦D×t≦45); and the urethane composition contains an isocyanate group-terminated urethane prepolymer having the residual polyisocyanate monomer content of not more than 0.1 mass %, and an aromatic polyamine compound.
    • 具有聚氨酯盖的固体高尔夫球具有令人满意的成形性和球性。 固体高尔夫球具有实心芯和用于覆盖实芯的聚氨酯盖,其中实心芯的中心部分和表面部分之间的肖氏D硬度的差异至少为15; 聚氨酯盖的厚度(t)不大于1.0mm,由肖氏D硬度(D)为35〜60的固化的聚氨酯组合物形成; 固化的聚氨酯组合物的厚度(t)和肖氏D硬度(D)的乘积为10至45(10≤Dxt<= 45); 氨基甲酸酯组合物含有残留多异氰酸酯单体含量为0.1质量%以下的异氰酸酯基封端的氨基甲酸酯预聚物和芳香族多胺化合物。
    • 39. 发明授权
    • Golf ball
    • 高尔夫球
    • US06878777B2
    • 2005-04-12
    • US10329486
    • 2002-12-27
    • Satoshi Iwami
    • Satoshi Iwami
    • A63B37/00A63B37/12C08L9/00
    • C08L9/00
    • A golf ball providing rebound performance, spin performance, resistance to abrasion and anti-wearability in an excellent balance is formed of a core and a cover arranged to cover the core and formed mainly of diene rubber having a smaller trans structure content before it is crosslinked than after it is crosslinked, in particular by 2 to 20%. The diene rubber is preferably polybutadiene rubber and as the cover's co-crosslinking agent a metallic salt of α,β-ethylene unsaturated carboxylic acid is used.
    • 提供回弹性能,旋转性能,耐磨性和抗磨损性的高尔夫球以良好的平衡形成,芯和覆盖物布置成覆盖芯并且主要由交联之前具有较小反式结构含量的二烯橡胶形成 比交联后,特别是2〜20%。 二烯橡胶优选为聚丁二烯橡胶,并且作为盖的共交联剂,使用α,β-乙烯不饱和羧酸的金属盐。