Plate-type filter cartridge with internal support

Details Plate-type filter cartridge with internal support Plate-type filter cartridge with internal support

1987-08-28

1989-10-24

Fisher, Richard V.

Liquid purification or separation

Plural distinct separators

Filters

210346, 210486, 210488, 2104972, 55492, B01D 2934

Patent

active

048760072

ABSTRACT:
A plate-type filter cartridge includes a plurality of stacked filtration units; each filtration unit having inner and outer rims, two filtration membranes bonded to opposite sides of the two rims, and a pair of netty members formed of fibrous material contacting a porous support and membranes. The support supports the membrane and is disposed between the membranes; the support being defined by a plurality of spokes and an outer rim.

REFERENCES:
patent: 2630228 (1953-03-01), Wright et al.
patent: 3262577 (1966-07-01), Tuit
patent: 3294241 (1966-12-01), Sicard et al.
patent: 3486627 (1969-12-01), Ashley et al.
patent: 3542205 (1970-11-01), O'Cheskey
patent: 3737036 (1973-06-01), Kasten
patent: 4221663 (1980-09-01), Little
patent: 4637876 (1987-01-01), Dosoudil
patent: 4704207 (1987-11-01), Chu

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