Filter assembly for use in the filtration of medical treatment l

Details Filter assembly for use in the filtration of medical treatment l Filter assembly for use in the filtration of medical treatment l

1978-11-24

1981-05-05

Hart, Charles N.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210436, 210451, 210455, 210472, 210477, B01D 3100

Patent

active

042657628

ABSTRACT:
A filter assembly (10) for use in the filtration of medical treatment liquids is disclosed. The filter assembly (10) includes a strip of porous filter media (12), first enclosure means (14), and a second enclosure means (16). An inlet connector (18) is connected to inlet end (20) of the filter assembly (10) and an outlet connector member (22) is connected to an outlet end of the filter assembly (10). The first and second enclosure means (14), (16) are formed of strips of flexible plastic material having longitudinal edges (30), (40) which are ultrasonically welded to the filter media (12). Dimples (36), (42) are formed in the first and second enclosure means (14), (16), respectively, and are ultrasonically welded to the filter media (12).

REFERENCES:
patent: 1782531 (1930-11-01), Fokker
patent: 2664395 (1953-12-01), Marchand
patent: 2687997 (1954-08-01), Marchand
patent: 2765923 (1956-10-01), Novak
patent: 3034505 (1962-05-01), Sobol
patent: 3217889 (1965-11-01), Berg
patent: 3399040 (1968-08-01), Ilg
patent: 3506130 (1970-04-01), Shaye
patent: 3631654 (1972-01-01), Riely et al.
patent: 3727612 (1973-04-01), Sayers et al.
patent: 3905905 (1975-09-01), O'Leary et al.
patent: 3949744 (1976-04-01), Clarke
patent: 4018687 (1977-04-01), Zahour
patent: 4021353 (1977-05-01), Raines et al.
patent: 4035304 (1977-07-01), Watanabe
patent: 4066556 (1978-01-01), Vaillancourt
patent: 4111659 (1978-09-01), Bowley

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