Extended life filter apparatus

Details Extended life filter apparatus Extended life filter apparatus

1996-04-29

1997-09-16

Spitzer, Robert

Gas separation

Flexible or collapsible bag type

Seaming, reinforcing or bag structure

55484, 55487, 55524, 55527, 55DIG12, 55DIG24, B01D 3914, B01D 4610

Patent

active

056675445

ABSTRACT:
A particulate filter for a fluid stream being of preselected thickness with progressively increasing fibrous density from the upstream face toward the downstream face, the filter having a transversely and uniformly extending planar sheet-like adhesive barrier at a preselected location and quantity between the upstream and downstream faces thereof.

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