Retention of filter elements
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United States of America Patent
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Sep 24, 2002
Grant Date -
N/A
app pub date -
Apr 23, 2001
filing date -
Jul 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A filtration apparatus comprises a plurality of filtration sections such as (12, 13), each covered on both opposed faces by a filter cloth (14). Each filter cloth (14) is formed with a compressible edge bead (26) which is received in a corresponding groove (22-25) in a member (20) which extends between the sections (12, 13). The grooves each have an orifice for reception of the edge beads which is less than the diameter of the groove. Member (20) has a hollow core (21) to receive a sector dividing stem (17) to pass along and reinforce the member (20).
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