Seal for cartridge-type filter assemblies

Details Seal for cartridge-type filter assemblies Seal for cartridge-type filter assemblies

1976-04-28

1977-11-08

Lutter, Frank W.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210450, 55502, 277235R, 277184, 285331, 285DIG11, 220357, 220378, 292307R, C02C 114

Patent

active

040575020

ABSTRACT:
A filter assembly comprises a base having a cartridge-type filter and an impervious case mounted thereon. An open end of the case is disposed in an annular recess defined in the base. An annular sealing means is disposed within the recess and is compressed in sealing relationship therein by the case. The sealing means comprises an annular metallic insert having a U-shaped cross section and an annular elastomeric member molded as an integral part thereof. Outer sealing portions of the elastomeric member are compressed into sealing contact with top and sidewalls defining the recess and the case is automatically self-centered within sidewalls of the insert.

REFERENCES:
patent: 1518521 (1924-12-01), Kraft
patent: 1931922 (1933-10-01), Damsel et al.
patent: 2457122 (1948-12-01), Burley
patent: 2506687 (1950-05-01), Scherrer

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