Electric heating – Metal heating – By arc
Patent
1985-10-09
1987-01-20
Albritton, C. L.
Electric heating
Metal heating
By arc
219121ES, 250396ML, B23K 1500
Patent
active
046381422
ABSTRACT:
A machine for the internal butt welding of two tubes comprises a fixed axial electron gun, a rotary prism system for radially deflecting the electron beam and comprising a plurality of prisms and a deflection system for cyclically delivering the electron beam emitted by the electron gun successively to each of the prisms at a high frequency, the relative duration of utilization of each prism being modifiable in the course of the rotation of the rotary system.
REFERENCES:
patent: 3454740 (1969-07-01), Foulquier et al.
patent: 3535489 (1970-10-01), Hinrichs
Hamon Jean-Pierre
Jegousse Michel
Kaluszynski Michel
Puisais Xavier F.
Albritton C. L.
Total Compagnie Francaise des Petroles
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