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Title:
ELECTRODE FOR DISCHARGE SURFACE TREATMENT, DISCHARGE SURFACE TREATMENT METHOD AND DISCHARGE SURFACE TREATMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2004/106586
Kind Code:
A1
Abstract:
An electrode (202) for discharge surface treatment is disclosed which is used in a discharge surface treatment wherein a compact body formed by compressing a metal powder, a metal compound powder or a ceramic powder is used as an electrode (201) and a discharge is generated between the electrode (201) and a workpiece (202) in a process liquid (205) or in the air for forming a coating film over the surface of the workpiece (202) with the energy of discharge. The coating film is composed of an electrode material or a material with which the electrode material is reacted by the discharge energy. In the electrode (202) for discharge surface treatment, the diameter of a material powder which is not desired to fuse is formed larger than that of another material powder which is desired to fuse.

Inventors:
GOTO AKIHIRO (JP)
AKIYOSHI MASAO (JP)
MATSUO KATSUHIRO (JP)
OCHIAI HIROYUKI (JP)
WATANABE MITSUTOSHI (JP)
FURUKAWA TAKASHI (JP)
Application Number:
PCT/JP2004/000731
Publication Date:
December 09, 2004
Filing Date:
January 28, 2004
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
ISHIKAWAJIMA HARIMA HEAVY IND (JP)
GOTO AKIHIRO (JP)
AKIYOSHI MASAO (JP)
MATSUO KATSUHIRO (JP)
OCHIAI HIROYUKI (JP)
WATANABE MITSUTOSHI (JP)
FURUKAWA TAKASHI (JP)
International Classes:
C23C26/00; C23C26/02; (IPC1-7): C23C26/00
Domestic Patent References:
WO1999046423A11999-09-16
Foreign References:
JP2002020882A2002-01-23
JPH07197275A1995-08-01
Other References:
See also references of EP 1630254A4
None
Attorney, Agent or Firm:
Sakai, Hiroaki (Kasumigaseki Building 2-5, Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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