Welding machine for welding pre-weld flanges and slip-on flanges

Details Welding machine for welding pre-weld flanges and slip-on flanges Welding machine for welding pre-weld flanges and slip-on flanges

1977-04-14

1979-12-04

Goldberg, E. A.

Electric heating

Metal heating

Of cylinders

219 60R, 219 60A, 219159, 228 48, B23K 3100

Patent

active

041773713

ABSTRACT:
A welding machine for welding pre-weld flanges and slip-on flanges onto pipes which includes an upper welding station and a lower welding station for respectively welding a flange onto a pipe from the outside and the inside of the pipe. Both welding stations are as a unit supported by a stand.

REFERENCES:
patent: 3634648 (1972-01-01), Morris
patent: 3880340 (1975-04-01), Takeuchi

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