Filtration arrangement
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United States of America Patent
Stats
-
Aug 11, 1998
Issued Date -
N/A
app pub date -
Mar 27, 1997
filing date -
Oct 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Constructions and methods are described for collecting particulate material from gas streams. In one arrangement, there is an outer, air permeable cylindrical liner, and a first region of fibrous depth media positioned immediately adjacent to the air permeable liner. The first region of fibrous depth media includes non-pleated depth media having an average percent solidity within the construction of no greater than about 3%. The first region of fibrous depth media has an upstream side which is secured to the outer, air permeable liner.
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