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:
Dec. 16, 2008

Filed:

Jul. 01, 2004
Applicants:

Mark Steven Habedank, Hamilton, OH (US);

Daniel Edward Wines, Cincinnati, OH (US);

Mark Wesley Johnson, West Chester, OH (US);

Gregory Stephen Bechtel, Cincinnati, OH (US);

Charles William Carrier, West Chester, OH (US);

Inventors:

Mark Steven Habedank, Hamilton, OH (US);

Daniel Edward Wines, Cincinnati, OH (US);

Mark Wesley Johnson, West Chester, OH (US);

Gregory Stephen Bechtel, Cincinnati, OH (US);

Charles William Carrier, West Chester, OH (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D 41/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for fabricating a workpiece is provided. The method includes applying a predetermined axial force to a tool, translating the axial force into a radial force in the workpiece using the tool, and generating a hoop stress in the work piece sufficient to relieve residual stress in the workpiece.


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