Process and head for laser working in a tube

Details Process and head for laser working in a tube Process and head for laser working in a tube

1990-12-27

1992-05-26

Albritton, C. L.

Electric heating

Metal heating

By arc

21912163, 21912184, 376260, B23K 2600

Patent

active

051170868

ABSTRACT:
The head (1) for laser working in centered in the tube (2) by two open circular brushes. The laser working is performed under the protection of a primary gas emerging through the window (5) for passage of the laser beam and of a secondary gas circulating axially between the head and the tube (2). The invention is used in the socket fitting of the tubes of the steam generators of pressurized-water nuclear reactors.

REFERENCES:
patent: 4978834 (1990-12-01), Griffaton
patent: 4983796 (1991-01-01), Griffaton

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