Electric heating – Metal heating – By arc
Patent
1986-09-15
1988-12-13
Paschall, M. H.
Electric heating
Metal heating
By arc
219136, 219 75, 21912151, B23K 900
Patent
active
047912669
ABSTRACT:
An arc welding kit comprising a torch head, a combined source of electric current and of fluid for welding and a composite cable connectible between the fluid/current source and the torch head by means of coupling connectors.
The upstream extremity of the composite cable has a coupling connector identical to that of the torch head whereas its downstream extremity has a coupling connector identical to that of the combined source. This enables two or more such cables to be connected in series to extend the range of the torch. Furthermore, an elbow comprising the same coupling connectors may be placed between the torch head and the composite cable, to turn the torch head through a desired angle.
The invention is particularly applicable to plasma cutting torches ignited by short-circuiting.
REFERENCES:
patent: 2512707 (1948-08-01), Anderson
patent: 2681402 (1954-06-01), Muller
patent: 3089944 (1963-05-01), Mathews
patent: 3413436 (1968-11-01), Tallman
patent: 3746832 (1973-07-01), Bernard et al.
patent: 3832520 (1974-08-01), Glasser
patent: 4145595 (1979-03-01), Keller et al.
patent: 4443683 (1984-04-01), Watts
L'Air Liquide
Paschall M. H.
Robinson, Jr. Lee C.
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