发明名称 MOLD FOR MOLDING SHELL FOR RECEIVING DISC-SHAPED RECORDING MEDIUM
摘要 PURPOSE:To mold a shell for receiving a disc-shaped recording medium without damaging the disc-shaped recording medium. CONSTITUTION:A mold 20 for molding a shell receiving a disc-shaped recording medium equipped with an opening is constituted of an inner surface forming mold 24 forming the inner surface of the shell and an opening forming mold 25 and the crossing position 28 where the dividing surface 27 of both molds 24, 25 crosses the surface of a cavity 23 is allowed to protrude by a dimension S toward the cavity 23 from the inner surface forming position 26 of the inner surface forming mold 24 and the flash generated on the inner surface of the shell being a molded product is received in the wall thickness T of the shell.
申请公布号 JPH0780852(A) 申请公布日期 1995.03.28
申请号 JP19930228723 申请日期 1993.09.14
申请人 IDEMITSU MATERIAL KK 发明人 SHOJIMA TOSHIKI
分类号 B29C33/42;B29C45/37;B29L17/00;(IPC1-7):B29C33/42 主分类号 B29C33/42
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