发明名称 Two-piece solid golf ball
摘要 The present invention provides a two-piece solid golf ball having long flight distance when hit by a middle iron club to a driver, large spin amount when hit by a short iron club and the like and excellent controllability, while maintaining good shot feel as good as thread wound golf ball. The present invention relates to a two-piece solid golf ball comprising a core and cover, wherein the core mainly comprises cis-1,4-polybutadiene, a surface hardness (D) of the core is higher than a center hardness of the core by not less than 15, the cover is formed from a cover composition mainly comprising polyurethane-based thermoplastic elastomer as a base resin, and has a hardness (A) of 35 to 55, and the (A) is lower than the (D), and assuming that a total dimple volume is represented by B (mm3), the product AB is within the range of 20,000 to 30,000.
申请公布号 US2003144085(A1) 申请公布日期 2003.07.31
申请号 US20020321398 申请日期 2002.12.18
申请人 SASAKI TAKASHI;MORIYAMA KEIJI 发明人 SASAKI TAKASHI;MORIYAMA KEIJI
分类号 A63B37/00;A63B37/04;A63B37/12;C08G18/75;C08G18/76;(IPC1-7):A63B37/06;A63B37/14 主分类号 A63B37/00
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