Welding mask with automatic obscuring of the visual field

Details Welding mask with automatic obscuring of the visual field Welding mask with automatic obscuring of the visual field

1976-11-09

1978-07-25

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

A61F 906

Patent

active

041019792

ABSTRACT:
A mask for carrying out electric arc welding by protecting the operator's eyes against both the glare and the ultraviolet rays during operation and reducing to a minimum the period of lack of visibility, which is embodied by an opaque shell with a vision window normally not obscured but provided with an oscurator means which is rendered operative upon flowing of electric current through an actuation apparatus connected to the electric welding circuit.

REFERENCES:
patent: 2171052 (1939-08-01), Tatter
patent: 2384517 (1945-09-01), Zimmerman et al.
patent: 2693597 (1954-11-01), Horlbeck
patent: 2761046 (1956-08-01), Herrick
patent: 3838466 (1974-10-01), Poirier

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