发明名称 Game ball
摘要 A two-piece softball or baseball includes a molded core and a molded cover including simulated stitching having protrusions and indentations integral with the cover material. Stitch holes adjacent the simulated stitching extend through the cover to the spherical core to simulate the depth of the stitching holes in a standard stitched leather covered ball.
申请公布号 US4729566(A) 申请公布日期 1988.03.08
申请号 US19860876506 申请日期 1986.06.20
申请人 SPALDING & EVENFLO COMPANIES, INC. 发明人 MOLITOR, ROBERT P.
分类号 A63B37/00;A63B37/12;A63B45/00;B29C33/38;B29C33/42;B29L31/54;(IPC1-7):A63B37/12 主分类号 A63B37/00
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