发明名称 MULTIPIECE SOLID GOLF BALL
摘要 <p>PROBLEM TO BE SOLVED: To obtain a multipiece sold golf ball having a good carry characteristic, durability and a soft feeling and having an excellent spin characteristic as a golf ball. SOLUTION: The surface hardness of the core of a multipiece sold golf ball having a solid core, an intermediate layer and a cover is <55 in Shore D hardness, the ratio (Hm/Hs) of the Shore D hardness (Hm) of the intermediate layer and the Shore D hardness (Hs) of the core surface is larger than 1.0 and below 1.4 and the ratio (Hc/Hm) of the Shore D hardness (Hc) of the cover and the Shore D hardness (Hm) of the intermediate layer is larger than 1.0 and below 2.0. In addition, the intermediate layer is formed of a polyurethane resin as a chief material.</p>
申请公布号 JPH11319149(A) 申请公布日期 1999.11.24
申请号 JP19990069928 申请日期 1999.03.16
申请人 BRIDGESTONE SPORTS CO LTD 发明人 HIGUCHI HIROSHI;ICHIKAWA YASUSHI;YAMAGISHI HISASHI
分类号 A63B37/00;A63B37/04;A63B37/12;(IPC1-7):A63B37/00 主分类号 A63B37/00
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