Composite filter set for gas flow ducts

Details Composite filter set for gas flow ducts Composite filter set for gas flow ducts

1976-09-16

1978-03-21

Nozick, Bernard

Gas separation

Flexible or collapsible bag type

With securing or supporting means

55381, 55483, 55484, 55500, B01D 4602

Patent

active

040801853

ABSTRACT:
Across the gas flow path in a duct such as for air conditioning there is placed a composite filter set comprising a plurality of filter elements and means joining said elements, each of said filter elements comprising a plurality of filter pockets and a frame holding said pockets at their open ends, and said joining means connecting the frames of adjacent filter elements in a manner to form a gas-tight seal therebetween so that flowing gas can advance only by passage through one of said filter pockets.

REFERENCES:
patent: 2050508 (1936-08-01), Strindberg
patent: 3026967 (1962-03-01), Stevens et al.
patent: 3160908 (1964-12-01), Peabody et al.
patent: 3190059 (1965-06-01), Bauder et al.
patent: 3247652 (1966-04-01), Annas et al.
patent: 3873286 (1975-03-01), Wurtenberg

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