Welder's hood with air filter

Details Welder's hood with air filter Welder's hood with air filter

1976-01-09

1978-03-28

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

A61F 906

Patent

active

040806642

ABSTRACT:
A protective welder's hood including changeable air filter structure to protect the health of a welder wearing same. The hood includes an airtight face-engaging mask together with a flutter or flapper valve to permit exhaust of expelled breathing air.

REFERENCES:
patent: 1205308 (1916-11-01), Work
patent: 1497012 (1924-06-01), Goodspeed
patent: 2377122 (1945-05-01), Bakke
patent: 2583304 (1952-01-01), Pipher
patent: 3152588 (1964-10-01), Rogowski
patent: 3232290 (1966-02-01), Nicolai
patent: 3308477 (1967-03-01), Boyd

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