Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Patent
1978-08-07
1980-02-05
Nozick, Bernard
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
55502, 55381, 55521, 210493R, B01D 4600
Patent
active
041870913
ABSTRACT:
A filter including a resilient frame, a hollow body of pleated paper, and end closures, molded together to make a flexible unitary structure which maintains its shape and has the efficiency characteristics of the paper medium.
REFERENCES:
patent: 3144315 (1964-08-01), Hann
patent: 3320727 (1967-05-01), Farley et al.
patent: 3422602 (1969-01-01), Janson
patent: 3631582 (1972-01-01), Lucas
patent: 3802169 (1974-04-01), Mugford
patent: 3830042 (1974-08-01), MacDonnell
patent: 4007026 (1977-02-01), Groh
Berven Richard P.
Durre Reynold F.
Donaldson & Company, Inc.
Nozick Bernard
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