Surgery – Respiratory method or device – Means for keeping viewing member clear
Patent
1994-07-21
1996-02-20
Lewis, Aaron J.
Surgery
Respiratory method or device
Means for keeping viewing member clear
12820129, A62B 1808
Patent
active
054921082
ABSTRACT:
An improvement in ventilating protective garments used against chemical agents. There is provided an arrangement of the air supply and the air exhaust so that the air cools the occupant and sweeps across the visor of a headpiece to prevent fogging. A regulator is used to maintain a degree of inflation in the garment by the incoming air.
REFERENCES:
patent: 174286 (1876-02-01), Ostberg
patent: 3043300 (1962-07-01), Flagg
patent: 3667460 (1972-06-01), Shepard
patent: 4458680 (1984-07-01), Childers et al.
Frazier Gary
Smith W. Novis
Lakeland Industries Inc.
Lewis Aaron J.
Lezdey John
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