Extended area filter
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United States of America Patent
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N/A
Issued Date -
Feb 17, 2005
app pub date -
Aug 12, 2003
filing date -
Aug 12, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An extended area filter is provided that is useful in polymer melt spin pack assemblies. The filter is a uniform porous body that is made, for example, of sintered powder metal, and contains multiple opposing spaced apart inlet and outlet cavities. The filter has substantially uniform pore structure and density, and is substantially free from polymer binder decomposition products, allowing for more uniform flow with improved throughput and filtration life.
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