Gas separation – Flexible or collapsible bag type – Valved – self-closing – or apparatus contained bag closing means
Patent
1994-11-14
1995-12-05
Bushey, C. Scott
Gas separation
Flexible or collapsible bag type
Valved, self-closing, or apparatus contained bag closing means
15347, 55377, 55DIG2, B01D 4600
Patent
active
054724600
ABSTRACT:
A vacuum cleaner filter bag has a connection member with an essentially tabular, board-like, stiff main body, which has a fitting opening for fitting on a vacuum cleaner connector tube. The main body guides a closing slide with a passage opening, which by way of a handle part is able to be moved out from an open position clearing the fitting opening into the closed position. The main body is divided into a holding ring surrounding the fitting opening on the outer side of the connection member and a closing slide guide: part constituted by the rest of the main body, the holding ring and the closing slide guide part being connected together at an attachment joint while being otherwise separate or separable from each other. In the position of use, with the connection member seated on the connector tube, the closing slide guide part is able to be pivoted away from the connector tube so that the closing slide comes clear of the connector tube and is able to be drawn into its closed setting.
REFERENCES:
patent: 2758667 (1956-08-01), Brace
patent: 2864462 (1958-12-01), Brace
patent: 3483679 (1969-12-01), Balbierer
patent: 3675399 (1972-07-01), Westergren
patent: 4738697 (1988-04-01), Westergren
patent: 5158635 (1992-10-01), Schmierer et al.
Branofilter GmbH
Bushey C. Scott
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