Ventilated welding mask apparatus

Details Ventilated welding mask apparatus Ventilated welding mask apparatus

1991-05-02

1992-06-23

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

21713, A61F 906

Patent

active

051231140

ABSTRACT:
A ventilated welding mask is disclosed having a three chamber housing mounted thereon. A blower fan is positioned within a second medial chamber. On the rear wall of the second medial chamber, a nozzle is mounted. A conduit extends from this nozzle to an air flow manifold positioned with the welding mask.

REFERENCES:
patent: 3649964 (1972-03-01), Schoelz et al.
patent: 4571741 (1986-02-01), Guillaumot
patent: 4694141 (1987-09-01), Hahn

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