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 8256260 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 04, 2012

Filed:

Jan. 31, 2011
Applicants:

Manu Mathai, Chennai, IN;

Raymond Stonitsch, Simpsonville, SC (US);

Guven Yucesan, Greenville, SC (US);

Inventors:

Manu Mathai, Chennai, IN;

Raymond Stonitsch, Simpsonville, SC (US);

Guven Yucesan, Greenville, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/00 (2006.01); B21K 25/00 (2006.01); B23P 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A forging method including extruding a billet to form a ring shaped hollow workpiece; reducing a cross section of the workpiece; and forging the workpiece in a closed die having a first split die including a plurality of first die segments and a second split die including a plurality of second die segments by sequentially advancing pairs of opposing die segments from the first split die and second split die towards each other.


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