Method and apparatus for pressure welding stacked metal foils

Details Method and apparatus for pressure welding stacked metal foils Method and apparatus for pressure welding stacked metal foils

1987-02-11

1988-02-09

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219 7801, 219 912, B23K 1116

Patent

active

047242957

ABSTRACT:
A method for the local joining of stacked metal foils by electric pressure welding provides for receiving the foil stack between holding jaws which are arranged movably and tiltably. Thereby, pressure welds can be carried out successively at both ends of the foil stack without manual intervention. In an apparatus suitable for carrying out the method, the holding jaws consist of a highly heat-conducting material and contain a coolant canal. The clamping surfaces of the holding jaws are curved in the same direction and are interleaved. The curvature represents a substitute shape for a curvature given if the finished welded foil stack is in use.

REFERENCES:
patent: 1478226 (1923-12-01), Henry
patent: 2250617 (1941-07-01), Argentin
patent: 4130750 (1978-12-01), Bennett et al.
patent: 4168430 (1979-09-01), Denis et al.
patent: 4493964 (1985-01-01), Shigemasa

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