Automatic welder's helmet

Details Automatic welder's helmet Automatic welder's helmet

1986-10-31

1987-09-15

Reynolds, Wm. Carter

Electric heating

Metal heating

Weld rod composition

2 8, 2436, A23K 932, A61F 906

Patent

active

046941410

ABSTRACT:
An improved automatic welder's helmet having two pneumatic cylinders to effect the closing of the helmet's dark eye lens prior to energizing the welding system for striking the welding arc, and further to maintain the dark eye lens closed until after the arc and the weldment's white afterglow have ceased. Additionally, the invention includes a ventilation system manually controlled to ventilate the helmet and to remove welding fumes and smoke from the interior of the helmet and the dark eye lens.

REFERENCES:
patent: 2354502 (1944-07-01), Cockrill et al.
patent: 3096430 (1963-07-01), Farr
patent: 3692974 (1972-09-01), Thomason et al.
patent: 3838247 (1974-09-01), Finger et al.
patent: 3943573 (1976-03-01), Budmiger
patent: 4293757 (1981-10-01), Niemi
patent: 4418267 (1983-11-01), Pfanzelt

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