Heated survival face mask

Details Heated survival face mask Heated survival face mask

1985-10-08

1986-07-22

Recla, Henry J.

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

12820623, 12820624, A62B 700

Patent

active

046012877

ABSTRACT:
This invention relates to a face mask fabricated from air impervious material, having a single forward protrusion forming a pivoted ambient air intake and exhaust orifice, which contains a heating element to elevate the temperature of the incoming ambient air, and which is designed to direct all of the exhausted air over the heating element to thereby increase its efficiency.

REFERENCES:
patent: 2241356 (1941-05-01), Magee
patent: 2309846 (1943-02-01), Holm
patent: 2641253 (1953-06-01), Engelder
patent: 3115134 (1963-12-01), Schmahl
patent: 3139885 (1964-07-01), Hirtz et al.
patent: 3820540 (1974-06-01), Hirtz et al.

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