Filtration element and method of constructing a filtration assembly
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United States of America Patent
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Dec 25, 2007
Grant Date -
Aug 17, 2006
app pub date -
Apr 14, 2006
filing date -
Aug 13, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coupler for a spiral membrane filtration element having a spiral membrane enclosed within a rigid outerwrap includes a center support, a plurality of spokes extending outwardly from the center support, a circular rim coupled with the spokes, with the face of the rim being perpendicular to the axis of the overwrap. The rim includes a channel on its face for receiving a compressible seal, and a plurality of receptacles around its outer surface for joining two face-to-face adjacent couplers when a pair of aligned keepers is placed in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.
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