Equipment for drilling and/or closing off by laser the seal weld

Electric heating – Metal heating – By arc

Patent

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Details

21912168, B23K 2600

Patent

active

051928469

ABSTRACT:
The fuel rod (3) is inserted into the enclosure (6) thorugh a gasket (30) until the rod faces a window (32). The outlet arm (16) of the housing (5) for focusing the laser beam, is fixed to the enclosure by way of the body (35) of a solenoid plug valve (36).
Application to the plugging of the axial seal weld hole of fuel rods for nuclear reactors.

REFERENCES:
patent: 4020673 (1977-05-01), Welty et al.
patent: 4136553 (1979-01-01), Jones

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