发明名称 Method of manufacturing game ball
摘要 Disclosed is a process for producing the baseball or softball for child, for exercise and for toy that has good security characteristics and similar playing characteristics to a conventional game ball. The invention provides the process of manufacturing a game ball wherein products with the same appearance as the conventional baseball can be obtained at a time by injecting, pressing and foaming the material of EVA alone or blend thereof. Thus, the process can decrease a danger of the ball currently used in the Little League greatly and provide a process of producing the game ball for child, exercise and toy that displays the uniform pattern and playing characteristics and has the high productivity.
申请公布号 US2005159258(A1) 申请公布日期 2005.07.21
申请号 US20050081178 申请日期 2005.03.16
申请人 LEE SUNG-YULL 发明人 LEE SUNG-YULL
分类号 A63B39/00;A63B45/00;B29D11/00;C08J9/00;C08J9/10;(IPC1-7):A63B39/00 主分类号 A63B39/00
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