Hybrid disk-cone extrusion die module
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United States of America Patent
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Oct 28, 2003
Grant Date -
Jan 30, 2003
app pub date -
Jul 27, 2001
filing date -
Jul 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses an extrusion die module having a flat compression seal and a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution channels and promotes better streamlined flow and material combination than a traditional flat disk die module. The die module promotes a reduced overall diameter and wetted diameter in comparison to standard flat disk dies. Further, the present invention relates to a method for utilizing an extrusion die module with a conical or otherwise angled spillover surface to minimize the die surface area wetted by an intermediate layer in a multi-layer coextrusion process.
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