Device and process for the laser welding of a tube

Details Device and process for the laser welding of a tube Device and process for the laser welding of a tube

1992-04-21

1993-03-23

Albritton, C. L.

Electric heating

Metal heating

By arc

21912164, 21912174, 21912184, B23K 2600

Patent

active

051966719

ABSTRACT:
A device for the laser welding of a tube (14) along its inner circumference with a probe (1) that can be inserted in the tube (14) has within the probe (1) devices (73-76) with which a part of a stream of shield gas flowing within the interior of the probe is divided off before it reaches an outlet opening (45) for a focused and deflected laser beam (59) and is conducted to the outer surface of the probe (1) with an axial flow component directed toward the outlet opening (45). By this means, any precipitation of welding material in the vicinity of the outlet opening (45) and in the interior of the probe (1) is reduced.

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