Emergency mask

Details Emergency mask Emergency mask

1984-03-27

1986-02-25

Howell, Kyle L.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820125, 55316, A62B 710

Patent

active

045721785

ABSTRACT:
The disclosed emergency mask has an air-purifying canister containing a combination of a smoke-filter, a desiccant, an adsorbent, and hopkalite catalyzer, so as to remove noxious gas generated during fire.

REFERENCES:
patent: 2838462 (1958-06-01), Pease
patent: 3072119 (1963-01-01), Matheson
patent: 3216415 (1965-11-01), Littleton
patent: 3562813 (1971-02-01), Origer
patent: 3910252 (1975-10-01), Richard
patent: 3925248 (1975-12-01), Moroni
patent: 4099526 (1978-07-01), Mascher

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