发明名称 Method of making golf balls having a protrusion center
摘要 The present invention provides a method of making a golf ball with an interior layer having a plurality of outwardly extending protrusions. A plurality of protrusion depressions are machined or otherwise formed on an inner surface of a mold. A center assembly is molded within the mold cavity. The center assembly may be a core comprising a plurality of protrusions on its outer surface or an intermediate layer comprising a plurality of protrusions disposed about a spherical core. A single or multi-layered cover is disposed about the center assembly having the plurality of protrusions.
申请公布号 US2003001309(A1) 申请公布日期 2003.01.02
申请号 US20000737067 申请日期 2000.12.14
申请人 SPALDING SPORTS WORLDWIDE, INC. 发明人 MURPHY DANIEL
分类号 A63B37/00;A63B37/02;C08L23/08;C08L53/00;C08L69/00;C08L75/04;(IPC1-7):B29C33/40;B29C45/14;B29C45/16 主分类号 A63B37/00
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