Tubular filter element with axially yieldable section

Details Tubular filter element with axially yieldable section Tubular filter element with axially yieldable section

1989-05-24

1991-08-27

Dawson, Robert A.

Liquid purification or separation

Filter

With movable means to compress medium

210458, 21049701, 55475, B01D 2708

Patent

active

050430688

ABSTRACT:
A filter cartridge has a support structure consisting of at least one tube provided with openings over its entire length and having at least one axially yieldable annular zone to permit axial movement to compensate for axial stresses and prevent damage to the filter material supported by the structure.

REFERENCES:
patent: 3591010 (1971-07-01), Pall et al.
patent: 3592766 (1971-07-01), Kudlaty
patent: 3642141 (1972-02-01), Hobson, Jr.
patent: 4442004 (1984-04-01), Smith et al.
patent: 4521309 (1985-06-01), Pall
patent: 4588464 (1986-05-01), Miyagi
patent: 4664801 (1987-05-01), Thomas
patent: 4929354 (1990-05-01), Meyering et al.

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