Arc welding electrode

Electric heating – Metal heating – Weld rod structure

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Details

21914523, 2191451, B23K 3502

Patent

active

046737960

ABSTRACT:
A cluster welding electrode assembly is provided which permits the deposition of maximum weights of weld metal with minimum amperage and voltage values. The assembly is comprised of a central rod electrode having circumferentially grouped or nested thereabout in longitudinally aligned relationship a plurality of lesser diameter rod electrodes. Each of the rods in the assembly carries thereon a novel flux coating productive during the welding operation of a nickel-chromium-molybdenum type alloy characterized as dense, porous-free and homogenous. Various means are disclosed for integrating the central rod electrode and surrounding lesser diameter rod electrodes into a unitary welding assembly.

REFERENCES:
patent: 1437257 (1922-11-01), Mattice
patent: 1794983 (1931-03-01), Ritter
patent: 2024992 (1935-12-01), Wissler et al.
patent: 2520112 (1950-08-01), Bourque et al.
patent: 4349721 (1982-09-01), Mentink et al.
patent: 4426428 (1984-01-01), Kammer et al.

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