发明名称 POLYMER EXTRUSION DIE
摘要 An improved die, containing one or more orifices, for the extrusion of polymers is disclosed wherein the orifices are flared at the polymer discharge end, and the orifices have certain relative dimensions and configurations. The dies are useful for producing items such as films, shaped profiles, sheets, fibers, strands, etc. Also disclosed are a process for using the die, and an extrusion apparatus containing such a die.
申请公布号 CA2182870(C) 申请公布日期 2005.06.07
申请号 CA19952182870 申请日期 1995.03.13
申请人 E. I. DU PONT DE NEMOURS AND COMPANY 发明人 RAKESTRAW, JULIE ANDERSON;WAGGONER, MARION GLEN
分类号 B29C47/12;D01D4/02;(IPC1-7):B29C47/12 主分类号 B29C47/12
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