发明名称 GOLF BALL AND MOLD FOR MOLDING ITS CORE
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a multi-piece golf ball provided with both of high resilience and soft feeling when hitting. <P>SOLUTION: The golf ball is provided with a core 1, an intermediate layer 3, and a cover 5. The intermediate layer 3 is provided with a plurality of openings where the core 1 is exposed. The outer peripheral surface of the intermediate surface 3 and the surfaces of the core 1 exposed from the openings are on nearly the same spherical surface. The hardness of the intermediate layer 3 is higher than that of the core 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p>
申请公布号 JP2005052302(A) 申请公布日期 2005.03.03
申请号 JP20030285046 申请日期 2003.08.01
申请人 NINOMIYA NORIKAZU;ONODA KENJI;OGAWA MASAO;NAKA HIROSATO 发明人 NINOMIYA NORIKAZU;ONODA KENJI;OGAWA MASAO;NAKA HIROSATO
分类号 A63B37/04;A63B37/00;A63B45/00;(IPC1-7):A63B37/04 主分类号 A63B37/04
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