Method of manufacturing welding electrode for underwater welding

Details Method of manufacturing welding electrode for underwater welding Method of manufacturing welding electrode for underwater welding

1993-08-06

1995-07-25

Shaw, Clifford C.

Electric heating

Metal heating

Weld rod structure

219 72, B23K 3500

Patent

active

054364280

ABSTRACT:
A welding electrode suitable for underwater welding is manufactured from a welding rod with a flux layer thereon by forming a protective coating of a waterproofing material at least over this layer and subjecting it to a pressure at least as great as the pressure at a depth of water at which the welding electrode is intended to be used such that the waterproofing material is driven into pores and interstices of the flux to impregnate it. Waterproofing materials which do not produce organic residues at welding are preferred, such as liquid sealant with metallic aluminum powder, polyurethane, resins and epoxy-based coatings.

REFERENCES:
patent: 2410461 (1946-11-01), Ronay
patent: 2552176 (1951-05-01), Hummitzsch
patent: 3835288 (1974-09-01), Henderson
patent: 4010347 (1977-03-01), Cole
patent: 4220487 (1980-09-01), Anderson
patent: 4804818 (1989-02-01), Anderson

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