Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1979-10-19
1981-07-07
Nozick, Bernard
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
55380, 55418, 55428, 55467, B01D 4604
Patent
active
042772656
ABSTRACT:
A compressible dust container for a vacuum cleaner, which is compressed by means of a device that causes a change in pressure between the outside and inside of the dust container, as well as agitating the container. The dust container is then able to be filled to substantial capacity without a false reading on the dust indicator of the vacuum cleaner.
REFERENCES:
patent: 842661 (1907-01-01), Hein
patent: 1069754 (1913-08-01), Baillie
patent: 1153751 (1915-09-01), Beth
patent: 1504136 (1924-08-01), Patterson
patent: 2543556 (1951-02-01), Senne
patent: 2916104 (1959-12-01), Hultberg et al.
patent: 3364663 (1968-01-01), Lagerstrom
patent: 4145196 (1979-03-01), Alskog
RA Packaged Dust Collector Dustex Bulletin 311 pp. 1-8 dtd 5/11/72.
Aktiebolaget Electrolux
Miller Alfred E.
Nozick Bernard
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