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:
Apr. 17, 2001
Filed:
Jan. 31, 1994
Applicant:
Inventors:
Norbert Czech, Dorsten, DE;
Adrian Kempster, Huntingdon, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G 1/02 ; C23G 1/08 ;
U.S. Cl.
CPC ...
C23G 1/02 ; C23G 1/08 ;
Abstract
A corroded superalloy or heat resistant steel part, in particular a gas turbine component like a gas turbine blade, having a surface with products or corrosion is refurbished. The invention the surface is cleaned, in particular mechanically or chemically, and an aluminide coating is applied to the cleaned surface. Subsequently, the aluminide coating is removed, whereby all products of corrosion which have still remained in the part to be refurbished are removed as well.