Gas separation – Combined or convertible – In environmental air enclosure
Patent
1990-02-15
1991-04-23
Woo, Jay H.
Gas separation
Combined or convertible
In environmental air enclosure
55467, 98 331, 98 345, 98 36, 98 4202, B01D 4642
Patent
active
050096850
ABSTRACT:
A system for improving the work environment in a contaminated room while contaminated material, such as asbestos, is being removing therefrom, including a dressing room adjacent the contaminated room, a decontamination unit connecting the dressing room with the contaminated room through which workmen pass when entering or exiting the contaminated room, a filtered air pump for passing filtered air from within the contaminated room through an air discharge opening to the atmosphere to maintain negative air pressure within the contaminated room, a conduit connecting the contaminated room with the decontamination unit, and a filtered air pump for passing filtered air through the conduit into the decontamination unit to maintain positive air pressure within the decontamination unit and air flow therein from the decontamination unit into the contaminated room.
REFERENCES:
patent: 4604111 (1986-08-01), Natale
patent: 4801312 (1989-01-01), Mateson
patent: 4905578 (1990-03-01), Curtis et al.
U.S. Statutory Invention Registration, Reg. No. H460, published Apr. 5, 1988, filed Sep. 24, 1987.
Graham John A.
Wilson Cary L.
Mackey James P.
Woo Jay H.
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