发明名称 Heated die punch construction and control device
摘要 Invention discloses a heated die to form long lived aperatures in upper region of plastic wrapped packages; said die featuring improved construction providing focused unidirectional heat flow to avoid package failure leading to product deterioration and package failure and disengagement with display hangers; said heat control effected by micro control of flow of energizing electricity.
申请公布号 US5451288(A) 申请公布日期 1995.09.19
申请号 US19920971547 申请日期 1992.11.05
申请人 SMITH, LARRY;HORNER, MICHAEL J. 发明人 SMITH, LARRY;HORNER, MICHAEL J.
分类号 B26D7/10;B29C65/00;B29C65/18;B65B61/16;(IPC1-7):B32B35/00;B26F1/14;B65B61/00 主分类号 B26D7/10
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