Method and apparatus for automatic electric seam resistance weld

Details Method and apparatus for automatic electric seam resistance weld Method and apparatus for automatic electric seam resistance weld

1984-10-03

1985-06-25

Envall, Jr., Roy N.

Electric heating

Metal heating

For bonding with pressure

219 64, B23K 1106

Patent

active

045256179

ABSTRACT:
In order to perform automatic seam welding of thin-walled can bodies at a high welding speed of more than 40 m/min, during conveyance of a cylindrical can body blank along a cross-sectionally Z-shaped rail, the blank is held by a holding device comprising contacting concave plates or rolls, each of which rotates about a pin located outside near the can body blank and in a plane perpendicular to the center axis of the can body blank and each of which has a spring and stopper for limiting the rotation so as to diminish and absorb the shaking of the can body blank.

REFERENCES:
patent: 2578832 (1951-12-01), Pearson et al.
patent: 3610862 (1979-07-01), Erlandson
patent: 3834010 (1974-09-01), Wolfe et al.
patent: 4160892 (1977-07-01), Opprecht et al.

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