Method and apparatus for welding hollow elongated beams

Details Method and apparatus for welding hollow elongated beams Method and apparatus for welding hollow elongated beams

B - Operations, Transporting

23

K

78/40

B23K 5/00 (2006.01)

Patent

CA 1186921

ABSTRACT OF THE DISCLOSURE A method and apparatus for welding hollow elongated beams wherein the plates forming the beam are tack-welded together in proper relationship and all corners of the beam are simul- taneously and continuously welded by moving a multiple head welding carriage along the length of the beam in order to minimize warpage and longitudinal deflection of the beam due to the welding heat.

391253

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