Filter cartridge with end densification ring
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United States of America Patent
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-
Jul 14, 1992
Grant Date -
N/A
app pub date -
Apr 3, 1989
filing date -
Apr 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.
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