发明名称 Method for Manufacturing a Ball Casing
摘要 A method for manufacturing a ball casing by piecing together plural sections is disclosed. The method includes the steps of: (1) providing a material having a protection layer and a fiber layer adhering therewith; (2) cutting the material into sections and (3) piecing together the sections to form a ball casing.
申请公布号 US2011253292(A1) 申请公布日期 2011.10.20
申请号 US20100818209 申请日期 2010.06.18
申请人 CHEN WILLY 发明人 CHEN WILLY
分类号 B29C65/72;B29C65/48;B29C65/62;B32B38/04 主分类号 B29C65/72
代理机构 代理人
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