Fire extinguishing system for an electric arc welding apparatus

Details Fire extinguishing system for an electric arc welding apparatus Fire extinguishing system for an electric arc welding apparatus

1985-11-08

1987-01-06

Shaw, Clifford C.

Electric heating

Metal heating

By arc

169 46, 219 74, 219136, B23K 916

Patent

active

046348336

ABSTRACT:
A fire extingushing system for an electric welding apparatus is disclosed having a source of inert gas which can be activated by switches (27, 28) in a torch (20) which provides a two-step flow of gas through magnetic valves (40, 44). In the preferred embodiment, a low level flow of 3 to 5 liters is provided by activating one of the switches and a fire extinguishing and cleaning flow of 10 to 40 kiloliters is provided by activating the remaining switch. The operator of the system can extinguish a newly started fire and clean the welding tip without need to put the apparatus down and obtain other equipment for these purposes.

REFERENCES:
patent: 3557337 (1971-01-01), Sipos et al.
patent: 3581051 (1971-05-01), Brown
patent: 3808397 (1974-04-01), Wixson
patent: 4100390 (1978-07-01), Jackson

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