发明名称 GOLF BALL
摘要 The invention provides a golf ball having a core, at least one intermediate layer encasing the core, and a cover. The intermediate layer is formed primarily of a specific ionomer resin composition that is highly neutralized. The cover is formed by injection molding a single resin blend composed primarily of a thermoplastic polyurethane and (g) a polyisocyanate compound in at least some portion of which all the isocyanate groups on the molecule are present in an unreacted state. The golf ball of the invention has a low spin rate on shots with a driver, enabling it to travel a good distance, and achieves a sufficient spin rate on shots with a short iron such as a wedge. The ball also has an excellent scuff resistance.
申请公布号 US2011201453(A1) 申请公布日期 2011.08.18
申请号 US20100705211 申请日期 2010.02.12
申请人 BRIDGESTONE SPORTS CO., LTD. 发明人 KASASHIMA ATSUKI;KOMATSU ATSUSHI
分类号 A63B37/00;A63B37/14 主分类号 A63B37/00
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