发明名称 Multi-layer golf ball with reaction injection molded polyurethane component
摘要 Disclosed herein is a multi-layer golf ball having a soft outer cover. The golf ball has a core, one or more mantle or inner cover layers with a Shore D hardness of 60 or more, and an outer cover with a Shore D hardness of 53 or less. In a particularly preferred form of the invention, the inner and/or outer cover layers comprise a reaction injection molded polyurethane. The golf ball of the invention has exceptionally soft feel and high spin rates on short shots of 80 yards or less and, particularly, 40 yards or less, while maintaining good distance and average spin on full shots.
申请公布号 US6663508(B1) 申请公布日期 2003.12.16
申请号 US20000610416 申请日期 2000.07.05
申请人 CALLAWAY GOLF COMPANY 发明人 KELLER VIKTOR M.;KENNEDY, III THOMAS J.;RISEN, JR. WILLIAM M.;TZIVANIS MICHAEL JOHN;SULLIVAN MICHAEL J.
分类号 A63B37/00;A63B37/02;A63B37/12;C08L23/08;C08L53/00;C08L69/00;C08L75/04;(IPC1-7):A63B37/06 主分类号 A63B37/00
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