发明名称 Multi-piece solid golf ball
摘要 A multi-piece solid golf ball comprising a solid core, an intermediate layer, and a cover is improved in flight distance, feel and durability when the solid core has a maximum hardness at a position spaced 3-10 mm inward from its surface, the difference between the maximum hardness and the hardness at its center is at least 3 JIS-C hardness units, and the intermediate layer is softer than the cover.
申请公布号 US6537158(B2) 申请公布日期 2003.03.25
申请号 US20010840123 申请日期 2001.04.24
申请人 BRIDGESTONE CORPORATION CO., LTD. 发明人 WATANABE HIDEO
分类号 A63B37/00;A63B37/04;A63B37/06;A63B37/12;(IPC1-7):A63B37/06 主分类号 A63B37/00
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