发明名称 Golf ball
摘要 Golf ball 2 has a center 4, a mid layer 6, a reinforcing layer 8 and a cover 10. Base polymer of the mid layer 6 includes an ionomer resin as a principal component. A melting point of the resin composition is equal to or greater than 95° C. The mid layer 6 has a thickness of 0.5 mm or greater and 2.5 mm or less. The cover 10 includes a thermoplastic resin. The cover 10 has a nominal thickness Tc of 0.1 mm or greater and 0.9 mm or less. The mid layer 6 has recessed parts which correspond to dimples 12. In the golf ball 2, the resin composition of the mid layer 6 does not flow out from a seam when forming the cover 10.
申请公布号 US7708657(B2) 申请公布日期 2010.05.04
申请号 US20060401899 申请日期 2006.04.12
申请人 SRI SPORTS LIMITED 发明人 YOKOTA MASATOSHI;FUJISAWA KOICHI;ISOGAWA KAZUHIKO
分类号 A63B37/12 主分类号 A63B37/12
代理机构 代理人
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