发明名称 Multi-layer golf ball
摘要 Multi-piece golf balls having a multi-layered solid core and multi-layered cover are provided.
申请公布号 US9409063(B2) 申请公布日期 2016.08.09
申请号 US201514865094 申请日期 2015.09.25
申请人 Acushnet Company 发明人 Sullivan Michael J.
分类号 A63B37/06;A63B37/00 主分类号 A63B37/06
代理机构 代理人 Milbank Mandi B.
主权项 1. A golf ball consisting essentially of: an inner core layer formed from a thermoplastic composition and having a diameter of 1.2 inches or greater, a center hardness (Hcenter) of 60 Shore C or greater, and an outer surface hardness (Hcenter surface) of 80 Shore C or greater; an intermediate core layer formed from a thermoplastic composition having a material hardness (Hintermediate core material) of 83 Shore C or greater; an outer core layer formed from a highly neutralized polymer composition having a material hardness (Houter core material) of 35 Shore D or greater; an inner cover layer formed from a thermoplastic composition having a material hardness (Hinner cover material) of 95 Shore C or less; an intermediate cover layer formed from a thermoplastic composition having a material hardness (Hintermediate cover material) of 80 Shore C or greater; and an outer cover layer formed from a composition selected from the group consisting of polyurethanes, polyureas, and copolymers and blends thereof; wherein Hintermediate cover material is greater than Houter core material.
地址 Fairhaven MA US