Patent ID: 6527954
Filing Date: 2003-03-04
Classification: B01D

Abstract:
A filter element to be installed into a housing in order to constitute a filter assembly for separation of solids from a fluid, comprising a plurality of bag-shaped filtering mediums made of a porous thin film, wherein each bag shaped filtering medium includes a pair of major planar surfaces that are parallel to each other, each said bag-shaped filter medium having an interior layered passageway material on an inside thereof and each of two exterior layered passageway materials an outside thereof and in contact with a respective said major planar surface, each of said bag-shaped filtering mediums including an open end portion that is free of said interior layered passage material and that extends axially beyond adjacent end portions of said exterior passageway materials, said open end portions including outer peripheral surfaces that are surrounded by and joined fluid-tightly with a sleeve for installation into said housing.