发明名称 Multi-layer core golf ball
摘要 Golf balls having a multi-layer core and a cover are disclosed. The multi-layer core contains a center and an outer core layer that are both soft relative to a hard intermediate core layer. The outer core layer is thin relative to the center and outer core layer. In one embodiment, the relatively hard intermediate core layer has a surface hardness of 80 to 90 Shore C which is greater than the center hardness and surface hardness of the outer core layer. In another embodiment, the cover includes an inner cover layer having a surface hardness of 60 Shore D or greater and an outer cover layer having a surface hardness of 20 to 70 Shore D.
申请公布号 US7988569(B2) 申请公布日期 2011.08.02
申请号 US20100694644 申请日期 2010.01.27
申请人 ACUSHNET COMPANY 发明人 SULLIVAN MICHAEL J.;LADD DEREK A.
分类号 A63B37/06 主分类号 A63B37/06
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