Methods and apparatus for treating the surface of a workpiece by

Details Methods and apparatus for treating the surface of a workpiece by Methods and apparatus for treating the surface of a workpiece by

1996-09-03

1998-11-17

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912151, 2191214, 31323151, B23K 1000

Patent

active

058379584

ABSTRACT:
A surface of a workpiece is treated by electric discharge. In particular, a concentrated plasma jet is generated through an arc discharge by a non-transferred electric arc while feeding--in a working gas. The surface of the workpiece to be treated is brushed over by the plasma jet.

REFERENCES:
patent: 2892067 (1959-05-01), Donald et al.
patent: 2944140 (1960-07-01), Giannini et al.
patent: 3515839 (1970-06-01), Gejo et al.
patent: 3579027 (1971-05-01), Pater
patent: 3803380 (1974-04-01), Ragaller
patent: 3849584 (1974-11-01), Paton et al.
patent: 3914573 (1975-10-01), Muehlberger
patent: 4185213 (1980-01-01), Scannell
patent: 4495399 (1985-01-01), Cann
patent: 5328516 (1994-07-01), Dietiker
Article: "Plasmatechnik" (Fig. 5.5;), A.Rutscher, 1984 (pp. 240-245).

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