Electric cable primarily for welding equipment and welding devic

Details Electric cable primarily for welding equipment and welding devic Electric cable primarily for welding equipment and welding devic

1988-05-04

1989-08-01

Askin, Laramie E.

Electric heating

Metal heating

By arc

174 157, B23K 932, H01B 734

Patent

active

048535168

ABSTRACT:
An electrical cable includes an elongated conduit with a plurality of electrical conductors therein. Each of the conductors is provided with a perforated polyurethane sheath thus providing electrical insulation among the electrical conductors. The conduit is also formed of polyurethane and is a double walled conduit. The exterior surface of the conduit is provided with longitudinal grooves or channels and the interior wall of the conduit is provided with longitudinal grooves or channels. These channels facilitate flexing of the cable. Coolant may be provided interiorly of the group of conductors and between the conductors and the inner wall of the conduit. The perforations in the polyurethane sheaths facilitate cooling. A metal collar is crimped at the end of the cable to prevent leakage of the coolant fluid and for attaching the conduit to a terminal connector. The cable is particularly useful in conjunction with a welding device.

REFERENCES:
patent: 2461594 (1949-02-01), Flounders
patent: 3082795 (1963-03-01), Heller

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