Tapered, spirally wound filter cartridge and method of making same
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United States of America Patent
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-
Jun 13, 1989
Issued Date -
N/A
app pub date -
Apr 6, 1987
filing date -
Mar 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spirally wound filter cartridge and a method of making the same in which the cartridge includes an elongated, centrally disposed tube or mandrel, and a sheet of filtration material spirally wound around the tube such that the cartridge has a tapered configuration with a first end of the cartridge being greater in diameter than the second end. The present invention also relates to a filtration device having a filter cartridge housing adapted to receive the above mentioned tapered filter cartridge.
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Cited Art Landscape
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