Sealable collar vacuum cleaner bag

Details Sealable collar vacuum cleaner bag Sealable collar vacuum cleaner bag

1990-08-10

1991-08-13

Chiesa, Richard L.

Gas separation

Flexible or collapsible bag type

Valved, self-closing, or apparatus contained bag closing means

55374, B01D 4642

Patent

active

050393243

ABSTRACT:
Air leakage passageways formed by an elongated sealing finger deflected through a sealable collar of a vacuum cleaner bag are substantially eliminated by the use of straddling tabs or an additonal elastic membrane across the collar opening which assure a total seal between the collar opening and the vacuum cleaner inlet fitting when the latter extends through the opening.

REFERENCES:
patent: 2596806 (1952-05-01), Borkowski
patent: 3108736 (1963-10-01), Anderson et al.
patent: 3432998 (1969-03-01), Downey
patent: 3726067 (1973-04-01), Fesco
patent: 3751881 (1973-08-01), Hughes
patent: 3803815 (1974-04-01), Anderson et al.
patent: 3929437 (1975-12-01), Gaudry
patent: 3933541 (1976-01-01), Johansson

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