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:
Oct. 15, 2013
Filed:
Sep. 22, 2006
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:
Assistant Examiner:
Int. Cl.
CPC ...
B21C 37/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for forming hollow profiles is disclosed. In one exemplary method, a hollow profile is guided through a die in a processing direction and fixed by a mandrel such that at the die, the hollow profile has a material flow velocity in this processing direction (), in which the method the mandrel has a drawing velocity in the processing direction that is greater than the material flow velocity.