Laser working method and head

Details Laser working method and head Laser working method and head

1992-01-13

1993-06-22

Albritton, C. L.

Electric heating

Metal heating

By arc

21912184, B23K 2600

Patent

active

052218228

ABSTRACT:
A portion of the shielding gas of the welding is sent through passages (17) which traverse a copper block (16) mounted in the working head (1) beyond the reflecting mirror (8).
Application to the sleeving by laser welding of the tubes of steam generators of electro-nuclear power stations.

REFERENCES:
patent: 5066846 (1991-11-01), Pirl
patent: 5097110 (1992-03-01), Hamada et al.
patent: 5117086 (1992-05-01), Boudot et al.
patent: 5132508 (1992-07-01), Vignes et al.

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