Gas filter device

Details Gas filter device Gas filter device

1977-05-31

1979-01-23

Lutter, Frank W.

Gas separation

With means securing or retaining separating media

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

210493FR, B01D 4640

Patent

active

041359003

ABSTRACT:
A gas filtering device of the type having a pleated filter media for filtering a gas stream passing through the media from the upstream side to the downstream side of the filter device, a peripheral frame surrounding and attached to the margin of the pleated filter media, a filter media reinforcing device comprised of an elongated rigid beam disposed within a pleat of the pleated filter media and extending the entire length of the pleat, and filter media retaining means attached to the rigid beam and extending across the downstream side of the filter media.

REFERENCES:
patent: 2082481 (1937-06-01), Christofferson
patent: 2479722 (1949-08-01), Brixius
patent: 2907408 (1959-10-01), Engle et al.
patent: 2915426 (1959-12-01), Poelman
patent: 3177637 (1965-04-01), Davis
patent: 3747772 (1973-07-01), Brown

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