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:
Nov. 27, 2001
Filed:
Jan. 21, 1999
Hans-Günther Haldenwanger, Ingolstadt, DE;
Jurgen Oswald, Magdeburg, DE;
Frank Fischer, Crimmitschau, DE;
Holger Wenzel, Weissenfels, DE;
Audi AG, , DE;
Abstract
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (,) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section (,) is secured in a matrix (,) corresponding to the section dimensions which has an enlarged cross section corresponding to the intended final dimensions of the hollow section (,) in the deformation region. The essential embodiment consists in that the deformation to attain an increased wall thickness (,) takes place in a region between the ends of the section. In addition, the wall thickness (,) can be increased at at least one of the ends of the section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile