发明授权
- 专利标题： Polymer extrusion die and use thereof
- 专利标题（中）： 聚合物挤出模头及其用途
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申请号： US212080申请日： 1994-03-11
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公开(公告)号： US5458836A公开(公告)日： 1995-10-17
- 发明人: Julie A. Rakestraw , Marion G. Waggoner
- 申请人： Julie A. Rakestraw , Marion G. Waggoner
- 申请人地址： DE Wilmington
- 专利权人： E. I. Du Pont de Nemours and Company
- 当前专利权人： E. I. Du Pont de Nemours and Company
- 当前专利权人地址： DE Wilmington
- 主分类号： B29C47/12
- IPC分类号： B29C47/12 ; D01D4/02
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.
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