Gas separation – Flexible or collapsible bag type – With flow line coupling means
Patent
1985-01-18
1986-07-22
Miles, Tim
Gas separation
Flexible or collapsible bag type
With flow line coupling means
55378, 285 7, 285921, B01D 4602
Patent
active
046017356
ABSTRACT:
A vacuum cleaner bag which comprises a bag for receiving and retrieving dirt and debris picked up by a vacuum cleaner. The bag fabric at the open end of the bag is firmly attached to a semi-elastic circular band having a raised male internal rib. The band is adapted to slip over a corresponding circular male flange of the vacuum cleaner. The flange is provided with a female recess corresponding to the raised rib, so that the rib can engage and fit into the recess, preventing the bag from being blown off when the cleaner is in use. An attached tab fastened to the band assists the user in engaging and disengaging the bag from the cleaner.
REFERENCES:
patent: 873300 (1907-12-01), Cranston
patent: 2123913 (1938-07-01), Replogle
patent: 2233471 (1941-03-01), Clements
patent: 2308310 (1943-01-01), Ruemelin, Jr. et al.
patent: 2514280 (1950-07-01), Hammell
patent: 2650113 (1953-08-01), Brace
patent: 3095289 (1963-06-01), Egan
patent: 3429107 (1969-02-01), Graves
patent: 4003727 (1977-01-01), O'Dell
patent: 4266813 (1981-05-01), Oliver
Miles Tim
Royal Appliance Mfg. Co.
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