Filtration element and method of constructing a filtration...

Details Filtration element and method of constructing a filtration... Filtration element and method of constructing a filtration...

2006-06-20

2006-06-20

Kim, John (Department: 1723)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Planar membrane

C210S323200, C210S493400, C096S007000, C096S009000

Reexamination Certificate

active

07063789

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 place in each receptacle. Exemplary embodiments of the coupler and filtration elements and filtration assemblies are provided, as well as an associated method.

REFERENCES:
patent: 5851267 (1998-12-01), Schwartz
patent: 6302448 (2001-10-01), Van Der Meer et al.
patent: 6521127 (2003-02-01), Chancellor
patent: 6632356 (2003-10-01), Hallan et al.
patent: 2002/0074277 (2002-06-01), Thomassen
patent: 2003/0024868 (2003-02-01), Hallan et al.
patent: WO 98/46338 (1998-10-01), None

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