Filter bag with removable shaping members

Details Filter bag with removable shaping members Filter bag with removable shaping members

1978-08-07

1980-05-13

Prunner, Kathleen J.

Gas separation

Flexible or collapsible bag type

With securing or supporting means

55381, B01D 4602

Patent

active

042026776

ABSTRACT:
A filter structure supporting a series of tubular filter bags for filtering a dust-laden airflow. The filter bags are subjected to a momentary reverse flow for purging collected particles from the bag walls. The filter bags are supported against pressure drops existing across the bag walls by bag shaping members affixed at spaced intervals along each filter bag. Each bag shaping member is retained in an adjustable, annular pocket formed by a cuff secured to the bag wall. This cuff is provided with a sizing means which permits contraction of the pocket to confine the shaping member therein and expansion of the pocket to permit convenient removal of the shaping member therefrom prior to laundering of the filter bag.

REFERENCES:
patent: 1553076 (1925-09-01), Halsted
patent: 1586868 (1926-06-01), Webb
patent: 2193778 (1940-03-01), Rabatin
patent: 2473363 (1949-06-01), Cook et al.
patent: 2607436 (1952-08-01), Martin
patent: 3410061 (1968-11-01), Knight
patent: 3426510 (1969-02-01), Schaaf
patent: 3429107 (1969-02-01), Graves
patent: 3871845 (1975-03-01), Clarke et al.
patent: 3991444 (1976-11-01), Bailey

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