Vacuum chamber for electron beam butt welding of pipes

Details Vacuum chamber for electron beam butt welding of pipes Vacuum chamber for electron beam butt welding of pipes

1981-04-21

1983-01-11

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EC, 219121EL, B23K 1500

Patent

active

043683746

ABSTRACT:
A welding chamber in which a vacuum is created for welding, using an electron beam, elongate pieces extending centrally of the chamber. The welding chamber is divided into a central sub-enclosure 41 for receiving the pieces 1, 2 to be welded and which is evacuated during welding, and a peripheral sub-enclosure 42 in which the welding means are located and which is permanently evacuated, the two sub-enclosures being separated by retractable sealing gaskets 12, 26, 27 which are retracted during welding to place the two sub-enclosures in communication.

REFERENCES:
patent: 3483351 (1969-12-01), Wood
patent: 3493711 (1970-02-01), Terselic et al.

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