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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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