Three o'clock narrow groove welding apparatus

Details Three o'clock narrow groove welding apparatus Three o'clock narrow groove welding apparatus

1984-01-23

1987-01-27

Goldberg, E. A.

Electric heating

Metal heating

By arc

21912422, B23K 900

Patent

active

046395750

ABSTRACT:
A three o'clock welding apparatus, wherein a lateral butt welded joint is formed by carrying out welding in a narrow groove. The narrow groove is inclined with respect to the horizontal in such a manner that the center face of substantially parallel upper and lower groove faces is lowered on the initial layer side, when the welding is performed.

REFERENCES:
patent: 2441507 (1948-05-01), Peters
patent: 4095080 (1978-06-01), Ueyama et al.
patent: 4188526 (1980-02-01), Asano
patent: 4270037 (1981-05-01), Grinin et al.
patent: 4309590 (1982-01-01), Stol

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