Parts in place torch structure

Details Parts in place torch structure Parts in place torch structure

1989-09-15

1990-07-10

Paschall, M. H.

Electric heating

Metal heating

By arc

21912154, 21912152, 21912148, 219 75, B23K 900

Patent

active

049408771

ABSTRACT:
A plasma arc cutting torch embodying an electrode having a swirl tube and a nozzle thereabout, a spring mechanism bearing on the swirl tube and nozzle being caused by them to complete a circuit, the circuit not becoming completed in the absence of one of or both the swirl tube and nozzle.

REFERENCES:
patent: 588921 (1986-04-01), Wilkins et al.
patent: 4580032 (1986-04-01), Carkhuff
patent: 4590354 (1986-05-01), Marhic et al.
patent: 4691094 (1987-09-01), Hatch et al.
patent: 4701590 (1987-10-01), Hatch
patent: 4716269 (1987-12-01), Carkhuff
patent: 4767908 (1988-08-01), Dallavalle et al.

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