Three o'clock welding method in narrow groove

Details Three o'clock welding method in narrow groove Three o'clock welding method in narrow groove

1981-11-02

1985-03-12

Envall, Jr., Roy N.

Electric heating

Metal heating

By arc

219 60R, 219 74, B23K 916

Patent

active

045047294

ABSTRACT:
A three o'clock welding method in a narrow groove, 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: 1966403 (1934-07-01), Durham
patent: 3576966 (1971-05-01), Sullivan
patent: 3842237 (1974-10-01), Ujiie
patent: 4356378 (1982-10-01), Cloos et al.

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