Laser welding apparatus

Details Laser welding apparatus Laser welding apparatus

1999-10-04

2000-08-29

Ryan, Patrick

Electric heating

Metal heating

By arc

2191216, 21912164, 21912182, 21912165, 21912172, B23K 2600

Patent

active

061112143

ABSTRACT:
A laser welding apparatus 10 according to the present invention comprises: a laser output mechanism 1 for applying a welding laser beam from its output end to a welding position of an object to be welded; and a plurality of jet nozzles for blowing out a shield gas to the welding position for preventing oxidation of the welding position, wherein the jet nozzles are arranged at an identical angle interval on a single circumference H around the welding laser beam. This enables to perform welding into a sufficient depth and width.

REFERENCES:
patent: 4127761 (1978-11-01), Pauley et al.
patent: 4377735 (1983-03-01), Minamida et al.
patent: 4798931 (1989-01-01), Hess, III

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