Apparatus for butt welding steel strips by using a laser beam in

Details Apparatus for butt welding steel strips by using a laser beam in Apparatus for butt welding steel strips by using a laser beam in

1984-02-27

1986-11-18

Paschall, M. H.

Electric heating

Metal heating

By arc

219121LC, 219121EC, 219121LY, B23K 2600

Patent

active

046237771

ABSTRACT:
A laser-welding apparatus including a pair of clamps at least one of which is movable reciprocally along the steel strip-feed line direction and which are adapted to clamp the edge portions of preceding and trailing steel strips, a shear which is advanceable and retractable between the pair of the clamps in a perpendicular direction to the line and cuts the edge portions of the preceding and trailing steel strips, a device for butting the cut faces of the preceding and trailing steel strips while being clamped by means of the clamps, a device for continuously feeding a filler wire at a weld zone at which the laser beam is condensed, and a laser torch adapted to condense a laser beam from a laser oscillator on an off-line at a weld zone and movable in the width direction of steel strips to be welded together.

REFERENCES:
patent: Re29815 (1978-10-01), Gnanamuthu
patent: 3665367 (1972-05-01), Keller et al.
patent: 3816696 (1974-06-01), Wheeler et al.
patent: 4323756 (1982-04-01), Brown et al.

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