Gas separation – Flexible or collapsible bag type – Seaming – reinforcing or bag structure
Patent
1987-05-07
1989-06-13
Nozick, Bernard
Gas separation
Flexible or collapsible bag type
Seaming, reinforcing or bag structure
55350, 55372, 55380, 55366, 55429, 55467, 55482, 55DIG45, 55528, B01D 4600
Patent
active
048389072
ABSTRACT:
A vacuum cleaner uses a special self-cleaning filter arrangement including an initial fabric filter having a relatively large mesh size with a broad open mesh ratio of 5 to 15% and a total opening area of 5 to 45 times the cross section of the inlet, which inlet faces away from the filter. The initial filter is preferably backed up by secondary filters and is arranged so that dirt collected on the filter is periodically sloughed off and dropped into a receptacle after building to a critical level.
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Chicopee Industrial Fabrics, Lumite Division Chicopee Manufacturing Co. Cornelia Georgia, dtd. 10/20/67.
Mello Manufacturing Inc.
Nozick Bernard
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