Filter media

Details Filter media Filter media

1976-05-14

1977-08-16

Lutter, Frank W.

Gas separation

With means securing or retaining separating media

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

55509, 55521, 210493FR, B01D 4652

Patent

active

040423581

ABSTRACT:
An air filter is formed into an accordion-shaped body having reverse folds forming pockets. A plurality of string-like pleat spacing members are provided and with each member being threaded through a plurality of openings in the pocket walls. The openings are smaller in diameter than that of the spacing member when it is in a relaxed condition to provide a friction force fixedly holding the pocket walls in place along the member.

REFERENCES:
patent: 2117240 (1938-05-01), Cohon
patent: 2423741 (1947-07-01), Vokes et al.
patent: 3227592 (1966-01-01), Coates et al.
patent: 3458979 (1969-08-01), Davis
patent: 3474599 (1969-10-01), Schwab
patent: 3789589 (1974-02-01), Delaney et al.

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