Device for welding pipes to each other

Details Device for welding pipes to each other Device for welding pipes to each other

1991-01-10

1992-06-30

Shaw, Clifford C.

Electric heating

Metal heating

Of cylinders

21912511, B23K 912

Patent

active

051265230

ABSTRACT:
In a device for welding together pipe ends of pipes held mutually in line, a fixing band is first clamped around a pipe and a ring frame for opening and closing is then arranged therearound which is provided with a guide rail for guiding at least one welding carriage along the periphery of a ring weld.

REFERENCES:
patent: 3380148 (1968-04-01), Nelson et al.
patent: 3555239 (1971-01-01), Kerth
patent: 3734387 (1973-05-01), Sannipoli
patent: 3910480 (1975-10-01), Thatcher
patent: 4144992 (1979-03-01), Omae et al.
patent: 4145593 (1979-03-01), Merrick et al.
patent: 4373125 (1983-02-01), Kazlauskas

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