Patent ID: 6495037
Filing Date: 2002-12-17
Classification: B01D

Abstract:
A caged filter cartridge assembly comprising:a pair of coaxially spaced-apart end plates, and a number of tubular filter cartridges extending between and joined to said end plates, wherein said end plates are united solely by means of said filter cartridges, and wherein at least one of said end plates includes a base plate and a seat plate joined to said base plate, and wherein said seat plate defines seat recesses for receiving therein respective end portions of said filter cartridges, and includes annular seat retaining rings associated with respective said seat recesses, and wherein said seat retaining rings have terminal annular edges which diametrically constrict said recesses such that said seat retaining rings are flexed outwardly by insertion of said respective end portions of said filter cartridges in said recesses to thereby cause said annular edges thereof to be forcibly engaged circumferentially with a filter medium of said respective end portions.