Orbital welding apparatus

Details Orbital welding apparatus Orbital welding apparatus

1975-10-02

1977-07-26

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

219130, B23K 902

Patent

active

040385094

ABSTRACT:
Orbital welding apparatus in which wire is fed to the welding zone by wire feed mechanism operable by differential rotation of two one-piece U-shape drive members operable at different speeds, one member carrying a welding electrode and the wire feed mechanism.Both drive members have openings allowing entry of tube to be welded. The apparatus permits orbital welding of very closely spaced tubes without using a wire feed drive motor mounted on the rotatable assembly. Both TIG or MIG arc welding methods may be performed by the invention, or any method involving the feeding of wire into the weld zone. -

REFERENCES:
patent: 3400237 (1968-09-01), Kazlauskas
patent: 3409752 (1968-11-01), Henderson et al.
patent: 3560696 (1971-02-01), Grinenko et al.
patent: 3688069 (1972-08-01), Kazlauskas
patent: 3873798 (1975-03-01), Friedman et al.

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