Method and apparatus for joining together the ends of a metallic

Details Method and apparatus for joining together the ends of a metallic Method and apparatus for joining together the ends of a metallic

1987-05-20

1988-11-15

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 57, 219 58, 219104, 219103, B23K 1100

Patent

active

047851546

ABSTRACT:
This method of electric welding metal band ends together comprises a fusion cycle with the introduction of inert gas, a cooling cycle with the introduction of cooling air, and an annealing cycle. The method is carried out in a fusion head having grippers to manipulate the band ends, and a control system for the grippers, inert gas, cooling air, welding and annealing currents and timing functions.

REFERENCES:
patent: 2409652 (1946-10-01), Workman
patent: 2614487 (1952-10-01), Cheesman
patent: 2708228 (1955-05-01), Crabbe et al.
patent: 2721921 (1955-10-01), Sheppard
patent: 3539752 (1970-11-01), Ernst
patent: 3767885 (1973-10-01), Fryer
patent: 4314131 (1982-02-01), Fryer
patent: 4536637 (1985-08-01), Horiuchi et al.

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