Title:
ANODE FOR SHIFTING TYPE PLASMA-HEATING
Document Type and Number:
Japanese Patent JP3682192
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To extend a service life by delaying the eroding rate at the tip end part in an anode for shifting type plasma-heating.
SOLUTION: In a shifting type plasma torch, with which DC current is supplied into molten metal in a vessel and the molten metal is heated while generating Ar plasma, the anode having an inner water-cooling structure and composed of a conductive metal, a metal-made protecting body having the inner water- cooling structure at a fixed interval at the outside of the above anode and a gas supplying means for supplying the gas containing Ar into a gap between the anode and the protecting body, are provided, and the center part of the outer surface at the tip end part of the anode is formed to the dent shape.
Inventors:
Takeshi Kawachi
Kazuto Yamamura
Hiroyuki Mitake
Teruo Kawabata
Junichi Kinoshita
Katsuhiro Imanaga
Masahiro Toki
Kimura Kin Akira
Kazuto Yamamura
Hiroyuki Mitake
Teruo Kawabata
Junichi Kinoshita
Katsuhiro Imanaga
Masahiro Toki
Kimura Kin Akira
Application Number:
JP35377299A
Publication Date:
August 10, 2005
Filing Date:
December 13, 1999
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B22D11/10; B22D41/015; H05B7/18; H05H1/34; (IPC1-7): B22D41/015; B22D11/10; H05B7/18; H05H1/34
Domestic Patent References:
| JP3595475B2 | ||||
| JP2002307160A | ||||
| JP62041476U | ||||
| JP3205796A | ||||
| JP4131694A | ||||
| JP2006073A | ||||
| JP4139384A | ||||
| JP4190597A |
Attorney, Agent or Firm:
Inoue Spring