发明名称 Four piece solid golf ball
摘要 The present invention provides a four piece solid golf ball which exhibits long flight distance and excellent shot feel. The four piece solid golf ball of the present invention comprises:a center (1),an intermediate layer (5) having two layers consisting of an inner layer (2) and an outer layer (3), formed on the center (1), anda cover (4) covering the intermediate layer (5),wherein the inner layer (2) and cover (4) are harder than the center (1) and the outer layer (3), so that the hardness distribution of the portions (1) to (4) is arranged to be soft-hard-soft-hard from the center (1) to the cover (4).
申请公布号 US6231461(B1) 申请公布日期 2001.05.15
申请号 US19990283581 申请日期 1999.04.01
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 MORIYAMA KEIJI;SANO YOSHINORI
分类号 A63B37/00;(IPC1-7):A63B37/06 主分类号 A63B37/00
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