Filters

Details Filters Filters

1974-08-07

1978-07-11

Lutter, Frank W.

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

55502, 55503, 55509, 55529, 210484, B01D 4610

Patent

active

040999440

ABSTRACT:
A filter suitable for filtering gases comprising a resilient foamed synthetic plastics filter element having a perforate support extending thereacross, and a peripheral resilient foamed synthetic plastics sealing frame, the edges of the element being located in a channel of the frame and secured therein by marginal portions of the perforate support extending into the frame.

REFERENCES:
patent: 1728140 (1929-09-01), Stever
patent: 2378839 (1945-06-01), Ensign
patent: 3047994 (1962-08-01), Le Brun
patent: 3209916 (1965-10-01), May et al.
patent: 3389031 (1968-06-01), Rosaen et al.
patent: 3418794 (1968-12-01), Roberts
patent: 3423909 (1969-01-01), Bennett et al.
patent: 3747772 (1973-07-01), Brown

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