Multiple layer filter bag including abrasion-resistant material
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United States of America Patent
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Oct 25, 1994
Grant Date -
N/A
app pub date -
Aug 27, 1993
filing date -
Aug 27, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter apparatus having a bag filter subassembly for collecting contaminating material. The bag filter subassembly includes a bag filter unit and an integral collar. The bag filter unit has an outer layer having mesh of selective strand size and selective pore size to give added strength to the bag.
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