Electric heating – Metal heating – Cutting or disintegrating
Reexamination Certificate
2005-11-04
2010-11-16
Evans, Geoffrey S (Department: 3742)
Electric heating
Metal heating
Cutting or disintegrating
C427S580000
Reexamination Certificate
active
07834291
ABSTRACT:
An electrode for electric discharge surface treatment is a green compact formed by molding a metal powder, a metal compound powder, or a ceramic powder, and is used for electric discharge surface treatment in which an electric discharge is generated between the electrode and a work in dielectric fluid or air to form by the electric discharge energy on a surface of the work a coat of a material of the electrode or of a substance resulting from reaction of the material due to the electric discharge energy. The material of the electrode includes a material not desired to be carbonized and a material desired to be melted, and a particle diameter of the material not desired to be carbonized is larger than a particle diameter of the material desired to be melted.
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Computer translation of Japan Patent No. 7-197,275, translation performed Mar. 2009.
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Formation of hard layer on material by EDM, AkihiroGoto et al., Proc International Symposium for Electro-machining (ISEM 12) pp. 271-278.
Development of Electrical Discharge Coating Method, Akihiro Goto et al., Proc. International Symposium for Electro-machining (ISEM 13) pp. 581-588.
Akiyoshi Masao
Furukawa Takashi
Goto Akihiro
Matsuo Katsuhiro
Ochiai Hiroyuki
Evans Geoffrey S
Ishikawajima-Harima Heavy Industries Co. Ltd.
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
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