Respirator

Details Respirator Respirator

1977-06-06

1979-05-15

Scovronek, Joseph

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

128191R, 252186, 2521883R, 252372, 422164, 422165, B01J 700, C01B 1300, C09K 300

Patent

active

041547969

ABSTRACT:
A chemical canister for use in a respirator has opposed openings, one for connection to a mouthpiece and the other for connection to the rest of the respirator. The canister contains a carbon dioxide removing and oxygen liberating chemical, and there also is a chemical which, upon being heated, will liberate nitrogen to mix with the oxygen liberated in the canister.

REFERENCES:
patent: 2371707 (1945-03-01), Rainier et al.
patent: 2889210 (1959-06-01), Bovard
patent: 3755182 (1973-08-01), Marshall
patent: 3767367 (1973-10-01), Rio
patent: 3797854 (1974-03-01), Poole et al.
patent: 3920803 (1975-11-01), Boryta
patent: 3931040 (1976-01-01), Breazeale

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