The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2015
Filed:
Jan. 20, 2012
Shoko Ito, Sagamihara, JP;
Daizo Saito, Yokohama, JP;
Yoshiaki Sakai, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A damage-repairing method of a transition piece in an embodiment includes; an oxide removing step of removing an oxide on an outer surfaceof an inner ductof a transition piecehaving damage; a repair material placing step of placing a brazing repair materialon the outer surfaceof the inner ductso as to cover the damage; and a diffusion brazing step of diffusion heat treating the inner ductto repair the damage formed in the outer surface. The damage-repairing method of the transition piece includes: a pressurized heat treating step of, under high pressure, heat treating the inner duct; a surface finishing step of scraping off the brazing repair materialprojecting from the outer surface; and a non-pressurized heat treating step of solution heat treating and aging heat treating the inner ductunder non-pressure.