发明名称 Multi-piece solid golf ball
摘要 The present invention provides a multi-piece solid golf ball having excellent flight distance, spin performance, shot feel and scuff resistance. The present invention relates to a multi-piece solid golf ball comprising a core consisting of a center and an intermediate layer, and a cover having many dimples, wherein the center and intermediate layer are formed from polybutadiene rubber, the center has a diameter of 25 to 40 mm, and a surface hardness of the center is higher than a central point hardness of the center by not less than 15, the intermediate layer has a thickness of 0.5 to 8.0 mm, and a surface hardness of the intermediate layer is higher than the central point hardness of the center by 20 to 50, and the hardness difference (C-D) between the cover hardness (D) and the surface hardness of the intermediate layer (C) is within the range of 0 to 12.
申请公布号 US6620059(B2) 申请公布日期 2003.09.16
申请号 US20020105412 申请日期 2002.03.26
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 SASAKI TAKASHI;KATO AKIRA;IWAMI SATOSHI
分类号 A63B37/00;A63B37/04;A63B37/12;(IPC1-7):A63B37/06 主分类号 A63B37/00
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