Welding method of aluminum foil

Details Welding method of aluminum foil Welding method of aluminum foil

1992-08-28

1994-06-28

Evans, Geoffrey S.

Electric heating

Metal heating

For bonding with pressure

219 561, B23K 1111, B23K 1116

Patent

active

053249100

ABSTRACT:
A welding method of an aluminum foil, which permits the direct resistance welding of an aluminum foil, with a chemical conversion coated layer of Al.sub.2 O.sub.3 formed thereon, to a lead wire, includes placing an aluminum foil, with a chemical conversion coated layer formed on the surface thereof, on a back bar made of a material having good electrical insulating property and heat resistance, arranging an electrically-conductive metal on the aluminum foil, bring first and second electrode tips into contact under pressure with the surface of the electrically-conductive metal with the electrode tips spaced from each other and then causing a welding current to flow between the first and second electrode tips, thereby conducting the series resistance welding of the aluminum foil to the electrically-conductive metal.

REFERENCES:
patent: 3263059 (1966-07-01), Rzant
patent: 3495068 (1970-02-01), Helms
patent: 3666913 (1972-05-01), Haefling et al.
patent: 3944777 (1976-03-01), Porat
patent: 4048463 (1977-09-01), Bennett et al.
patent: 4171477 (1979-10-01), Funari
patent: 4546229 (1985-10-01), Leone
patent: 4633054 (1986-12-01), Patrick et al.

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