发明名称 Multi-piece solid golf ball
摘要 A multi-piece solid golf ball includes a core having a structure with at least two layers and a cover on the core with an outer and inner cover layers. The core has a diameter in the range of 35 to 41 mm. The inner sphere of the core is formed of a rubber material based on polybutadiene and an outer layer is formed of a thermoplastic or rubber based material. The outer cover layer has a Shore D hardness of 40-60 degrees. The inner cover layer has a Shore D hardness of up to 53 degrees and lower than that of the outer cover layer. The ball's carry is comparable to conventional solid golf balls and spin receptivity is approximate to wound golf balls while the ball is durable and offers pleasant feel.
申请公布号 US6659890(B2) 申请公布日期 2003.12.09
申请号 US20020267743 申请日期 2002.10.10
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 YAMAGISHI HISASHI;HIGUCHI HIROSHI;ICHIKAWA YASUSHI;HAYASHI JUNJI
分类号 A63B37/00;A63B37/04;A63B37/12;B32B25/04;(IPC1-7):A63B37/06 主分类号 A63B37/00
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