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.

Date of Patent:
Sep. 12, 1995

Filed:

Mar. 31, 1994
Applicant:
Inventors:

Christian Willems, Dipl.-Ing. Werkstofftechniker, DE;

Axel C Luckow, Kaufmannischer Angestellter, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
298991 ; 2988971 ;
Abstract

A process for preparing wear-resistant edges (3) on turbine blades, e.g., in the area of the upper leading edge of the blade and on the cover sheet, preferably for steam turbines made of chromium steels and/or titanium-based alloys includes preparing a recess (2) on the corresponding area of the blade (1), preferably by forging or machining, prior to the application of the edge protection (3), applying a powder layer in the corresponding area by low-pressure plasma spraying or according to the encapsulation technique, and subsequently compacting the powder layer by hot isostatic pressing (HIP), and the diffuse binding to the base material of the blade is thus achieved.


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Willems, Christian. (1995). Process for preparing wear-resistant edges on turbine blades (U.S. Patent No. 5448828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5448828

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