Electric heating – Metal heating – By arc
Patent
1974-11-25
1976-06-22
Grimley, Arthur T.
Electric heating
Metal heating
By arc
219121EM, B23K 1500
Patent
active
039653269
ABSTRACT:
The present invention relates to improvements in methods and apparatus for welding by electron bombardment, utilizing an electron gun directing an electron beam into a chamber under partial continuous vacuum maintained by continuous pumping. The partial vacuum chamber terminates in a working chamber, and a valve device separates the partial vacuum chamber from the working chamber, the latter being fixed on a support actuated by a displacement device acting in a direction perpendicular to the electron beam. The gun is associated in known manner with a means for maintaining high vacuum and communicating with the partial vacuum chamber through a narrow orifice provided with a closure device, the partial vacuum chamber being associated with individual continuously-acting pumps. The displacement device comprises a first trolley slidably mounted on a second trolley and moving at right angles to the beam, the second trolley being slidably mounted in turn along a direction at right angles to that of the first trolley, on the frame of the machine.
REFERENCES:
patent: 3469065 (1969-09-01), Schleich et al.
patent: 3529122 (1970-09-01), Hinrichs
patent: 3535487 (1970-10-01), Hinrichs et al.
patent: 3585349 (1971-06-01), Kalbfell
patent: 3592995 (1971-07-01), Hinrichs
patent: 3675072 (1972-07-01), Hahn et al.
patent: 3731052 (1973-05-01), Ogawa et al.
patent: 3742365 (1973-06-01), Sciaky
Corcelle Francois
Courjaud Jacques
Commissariat a l''Energie Atomique
Grimley Arthur T.
Peterson G. R.
Robinson, Jr. Lee C.
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