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.:

US 9234429 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 12, 2016

Filed:

Sep. 17, 2012
Applicant:

Siemens Aktiengesellschaft, München, DE;

Inventor:

Ralf Bode, Moers, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); B21K 3/04 (2006.01); C21D 7/02 (2006.01); C21D 9/00 (2006.01); B23P 15/02 (2006.01); F01D 5/00 (2006.01); C21D 7/10 (2006.01);
U.S. Cl.
CPC ...
F01D 5/147 (2013.01); B21K 3/04 (2013.01); B23P 15/02 (2013.01); C21D 7/02 (2013.01); C21D 9/0068 (2013.01); F01D 5/005 (2013.01); C21D 7/10 (2013.01); F01D 5/14 (2013.01); Y10T 29/4932 (2015.01); Y10T 29/49336 (2015.01);
Abstract

The invention relates to a method for producing a compressor blade, comprising the following steps: forging a blank made of an austenitic-ferritic steel; uniaxially stretching and plastically deforming the blank while at least the elongation and the deformation force of the blank are detected and monitored; and ending the stretching after a defined limit value for the stress has been reached.


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