Filter bag for a vacuum cleaner

Details Filter bag for a vacuum cleaner Filter bag for a vacuum cleaner

1994-05-27

1996-06-04

Woo, Jay H.

Gas separation

With separating media bypass or system gas pressure relief

With heating or cooling means

55380, 55DIG2, B01D 4602

Patent

active

055229085

ABSTRACT:
A vacuum cleaner filter bag having multiple, nested inner bags and an outer bag for sequentially filtering a discharge from a vacuum cleaner, wherein each of the inner bags is adapted to cease filtering the discharge therethrough when the bag has become clogged with particulate matter. Each inner bag is designed to rupture, when clogged, in a manner to allow the discharge to bypass that bag and directly enter the next bag.

REFERENCES:
patent: 1422105 (1922-07-01), Kirby
patent: 2327225 (1943-08-01), Taylor
patent: 2620045 (1952-12-01), Binggely
patent: 3364663 (1968-01-01), Lagerstrom
patent: 3971643 (1976-07-01), Hufton
patent: 4116648 (1978-09-01), Busch
patent: 4119414 (1978-10-01), Smaling

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