Disposable HEPA filtration device

Details Disposable HEPA filtration device Disposable HEPA filtration device

1986-09-22

1988-02-23

Hart, Charles

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55350, 55467, 55508, 55519, 55DIG3, 55420, B01D 4602

Patent

active

047268255

ABSTRACT:
A sealed filtration cannister including a filtration mechanism sealed within the cannister. A prefilter and a HEPA filter entrap asbestos-containing dust within the sealed cannister. Upon usage of the filtration cannister for a predetermined number of hours, the cannister is disposed of in its entirety. The cannister is used in conjunction with a separate vacuum cleaner device having a suction hose communicating with a cannister lid removably mounted on top of the cannister. Alternatively, the cannister is used with a portable vacuum motor assembly removably mounted on top of the cannister to provide independent suction to the filtration cannister.

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"Astrocel", American Air Filter, CAD1-110-E, Jul. 1984.

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