发明名称 Mold for forming golf ball
摘要 There are provided a golf ball molding die capable of manufacturing a golf ball having a satisfactory surface condition, and a golf ball manufactured by using the die. The present golf ball molding die comprises at least two die bodies within which a cavity for molding a golf ball is formed by jointing of the die bodies; and a pin accommodating hole provided in at least one of the die bodies, and is characterized in that at least one groove communicating directly with the cavity is provided in the wall surface of the pin accommodating hole.
申请公布号 US7695264(B2) 申请公布日期 2010.04.13
申请号 US20070871635 申请日期 2007.10.12
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 SATO KATSUNORI;OMURA YOICHI
分类号 B29C45/14 主分类号 B29C45/14
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