发明名称 Multi-piece solid golf ball
摘要 In a multi-piece solid golf ball comprising a solid core, an intermediate layer, and a cover, the intermediate layer is formed mainly of a thermoplastic resin and has a Shore D hardness of 8-35, and the cover is formed of a cover stock comprising a thermoplastic resin and an optional inorganic filler. The Shore D hardness of the cover is at least 25 units higher than that of the intermediate layer. The ball has a very soft pleasant feel upon approach shots and putting and an increased flight distance upon full shots with a driver.
申请公布号 US6299551(B1) 申请公布日期 2001.10.09
申请号 US19990389324 申请日期 1999.09.03
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 HIGUCHI HIROSHI;YAMAGISHI HISASHI;HAYASHI JUNJI;KASHIWAGI SHUNICHI;KAWATA AKIRA
分类号 A63B37/00;A63B37/06;(IPC1-7):A63B37/06 主分类号 A63B37/00
代理机构 代理人
主权项
地址