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Title:
劣化部の再生方法、劣化部の再生装置
Document Type and Number:
Japanese Patent JP4969221
Kind Code:
B2
Abstract:
The present invention has as its object the provision of a restoration method for a deteriorated part, which is capable of easily and reliably repairing and restoring a deteriorated part generated in a metal member to reliably prolong the lifetime of the metal member. Specifically, a local heating step of locally heating a deteriorated part C by a main heater 25 and pressure-welding the deteriorated part C by a compression force by thermal expansion and a peripheral heating step of heating the periphery and vicinity of a heated region HA1 in the local heating step by a sub heater 26 are carried out, followed by carrying out a cooling step of cooling the heated region HA1 by the main heater 25 and a heated region HA2 by the sub heater 26 at the same time.

Inventors:
Masashi Ozaki
Nobuhiko Nishimura
Fumitoshi Sakata
Katsutoshi Kodama
Masahiro Kobayashi
Kei Shiibashi
Eiji Tezuka
Takeuchi Takumi
Application Number:
JP2006319613A
Publication Date:
July 04, 2012
Filing Date:
November 28, 2006
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
THE TOKYO ELECTRIC POWER COMPANY,INCORPORATED
International Classes:
B23K31/00; C21D1/42; C21D9/08; C21D9/50; B23K101/06
Domestic Patent References:
JP2003253337A
JP2006175575A
JP62275594A
Attorney, Agent or Firm:
Mitsuru Oba
Horikawa Miyuki



 
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