Tubular filter element with mated end caps

Details Tubular filter element with mated end caps Tubular filter element with mated end caps

1984-05-17

1985-08-20

Fisher, Richard V.

Liquid purification or separation

Filter

With central pervious tubular receiver

210484, 2104931, 21049701, 55498, 55503, B01D 2708, B01D 2914

Patent

active

045362912

ABSTRACT:
There is disclosed an axially folded tubular filter element for the filtration of fluids. The ends of the radially extending folds are in abutment at the internal folds with a support core and in abutment at the externally facing folds internally with an outer support grid. The support has a plurality of perforations. The ends of the tubular filter element are enclosed by a cap which encloses the ends of the tubular filter element in a sealing manner. The outside of the support core which supports the internally facing fold edges has a series of outwardly extending corrugated sections with rounded corrugated outwardly extending ridges, and the said perforations are located in the valleys of the corrugations. The corrugated structure extends in a longitudinal direction, is relatively flat and runs in a circumferential direction. A drainage pathway is also supplied along the outer surface of the support core.

REFERENCES:
patent: 2919765 (1960-01-01), Kasten
patent: 3246766 (1966-04-01), Pall
patent: 3720323 (1973-03-01), Landree
patent: 3937281 (1976-02-01), Harnsberger
patent: 4032688 (1977-06-01), Pall
patent: 4402830 (1983-09-01), Pall

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