Electric heating – Metal heating – By arc
Patent
1974-07-24
1978-06-13
Truhe, J. V.
Electric heating
Metal heating
By arc
B23K 1500
Patent
active
040950832
ABSTRACT:
An electron-beam apparatus for thermal treatment by electron bombardment, comprising a power supply, a vacuum chamber accomodating an object being treated, an electron gun including a cathode which is the source of an electron flow and an accelerating electrode which, together with the cathode, forms the electron flow into an electron beam directed to the object being treated, and a supplementary source of accelerating voltage, one leadout which is connected to the cathode and the other leadout is coupled to the accelerating electrode, the cathode and the accelerating electrode being electrically insulated from each other and from the object being treated, and the power supply has one of its leadouts connected to the cathode and the other leadout connected to the object being treated.
REFERENCES:
patent: 2860251 (1958-11-01), Pakswer et al.
patent: 3143680 (1964-08-01), Klein et al.
patent: 3174026 (1965-03-01), Bowens et al.
patent: 3327090 (1967-06-01), Greene
patent: 3347701 (1967-10-01), Yamagishi et al.
patent: 3609288 (1971-09-01), Sciaky
patent: 3634645 (1972-01-01), Lempert
patent: 3678334 (1972-07-01), Dougdale et al.
"Electron-Beam Melting of Metals", 2nd ed., 1972, by Zaboronok, Zelentsov, Ronzhin and Sokolov, pp. 232, 233, 236-241.
Sokolov Boris Grigorievich
Zaboronok Georgy Fomich
Shaw Clifford C.
Truhe J. V.
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