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:
Sep. 06, 2011
Filed:
Jun. 04, 2005
Applicants:
Ulrich Brochheuser, Neunkirchen, DE;
Andreas Gehrke, Siegburg, DE;
Inventors:
Ulrich Brochheuser, Neunkirchen, DE;
Andreas Gehrke, Siegburg, DE;
Assignee:
GKN Driveline International GmbH, Lohmar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 25/04 (2006.01); B21C 23/04 (2006.01); B21C 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process of producing an inner profile ()in a tube or hollow profile () includes inserting the tube or hollow profile () into a supporting sleeve (), with a first tube end () being axially supported; placing a pressure-loaded annular dieon to the other tube end (); pressing a forming die () with an outer profile into the tube or hollow profile () from the latter tube end () for producing the inner profile (); allowing a return of the annular die () under a pressure load in the opposite direction of that of pressing in the forming die ().