Vacuum cleaner filter bag collar arrangement

Details Vacuum cleaner filter bag collar arrangement Vacuum cleaner filter bag collar arrangement

1981-08-24

1982-12-21

Prunner, Kathleen J.

Gas separation

With means facilitating transportability or handling of...

Handle feature for apparatus or part thereof

55377, 55507, 55509, B01D 4602

Patent

active

043647570

ABSTRACT:
An air filter bag is disclosed for use in vacuum cleaners. The filter bag includes a plastic collar having an annular rim for retaining the collar on a flanged inlet air duct and for establishing an air seal with the duct. The collar also includes an annular sealing lip spaced radially inward of the rim which engages a peripheral surface of the air duct thereby providing a dual sealing arrangement. In order to facilitate removal of the filter bag from the duct, the collar is provided with a tab portion integrally attached to the rim.

REFERENCES:
patent: 3137023 (1964-06-01), Klinge et al.
patent: 3283481 (1966-11-01), Studley et al.
patent: 3870491 (1975-03-01), Friesen et al.

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