Water filter

Details Water filter Water filter

1994-11-18

1995-08-29

Lithgow, Thomas M.

Liquid purification or separation

With repair or assembling means

210444, 210450, B01D 2708, B01D 3531, B01D 3530

Patent

active

054457343

ABSTRACT:
A water filter including a packing ring to seal up the gap between the casing and the top cover, which packing ring having downward projecting strips fitted into respective notches on the casing to stop the packing ring against rotary motion relative to the casing, two water sealing devices respectively mounted on a water outlet pipe on the top cover and a stub tube on the casing and having respective flanges forced to engage two opposite ends of the filter element and to prevent unfiltered water from entering the longitudinal center through hole of the filter element.

REFERENCES:
patent: 3225929 (1965-12-01), Sicard
patent: 3228529 (1966-01-01), Gillick, Jr.
patent: 3241679 (1966-03-01), Walter
patent: 3282434 (1966-11-01), Pall
patent: 3920553 (1975-11-01), Cilento
patent: 4544387 (1985-10-01), Agerlid
patent: 5022986 (1991-06-01), Lang
patent: 5328609 (1994-07-01), Magnusson
patent: 5362389 (1994-11-01), Hardison

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