Tubular filter element with axially yieldable section
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United States of America Patent
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-
Aug 27, 1991
Grant Date -
N/A
app pub date -
May 24, 1989
filing date -
May 26, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A filter cartridge has a support structure consisting of at least one tube provided with openings over its entire length and having at least one axially yieldable annular zone to permit axial movement to compensate for axial stresses and prevent damage to the filter material supported by the structure.
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