Method of preventing base metal end crack in arc welding and end

Details Method of preventing base metal end crack in arc welding and end Method of preventing base metal end crack in arc welding and end

1976-03-05

1977-09-06

Reynolds, Bruce A.

Electric heating

Metal heating

By arc

219136, B23K 932

Patent

active

040469883

ABSTRACT:
A method of preventing base metal end cracks in arc welding characterized by the adaptation of an end tab having three protuberant portions on its end contacting the base metal, wherein the protuberant portions at both ends of the end tab are positioned in abutment on the parts of the base metal which are on both sides of the groove line where the welding arc and the weld metal are not directly contacted, while the protuberant portion in the center is positioned on an extension of the groove line, and welding is carried out with the end tab secured to the welding end of the base metal.

REFERENCES:
patent: 1512787 (1924-10-01), Morton
patent: 2649528 (1953-08-01), Koenig et al.
patent: 3838496 (1974-10-01), Kelly

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