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:
Aug. 09, 2016
Filed:
Jul. 13, 2012
Applicant:
Robert Koppensteiner, Steyr, AT;
Inventor:
Robert Koppensteiner, Steyr, AT;
Assignee:
GFM-GmbH, Steyr, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21J 7/14 (2006.01); B21J 13/00 (2006.01);
U.S. Cl.
CPC ...
B21J 7/14 (2013.01); B21J 13/00 (2013.01);
Abstract
An apparatus for forging a hollow body has forging tools which are arranged in a centrically symmetrical way about a forging axis, and a forging mandrel. The forging mandrel has a mandrel core and mandrel segments which are distributed over the circumference of the mandrel core, are exchangeably held on the mandrel core, and form forming surfaces for the hollow space of the hollow body.