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:
Mar. 17, 2020
Filed:
May. 19, 2015
Applicant:
Ulrich Bruhnke, Ehningen, DE;
Inventors:
Karl-Heinz Lindner, Muelheim, DE;
Andreas Jaeger, Dortmund, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21C 23/12 (2006.01); B21C 23/14 (2006.01); B21D 53/16 (2006.01);
U.S. Cl.
CPC ...
B21C 23/12 (2013.01); B21C 23/142 (2013.01); B21D 53/16 (2013.01);
Abstract
A method and to a system for producing open or closed annular structural components made of light metal and alloys thereof, preferably of magnesium or magnesium alloys, having a two-dimensional or three-dimensional structure by means of extrusion, wherein the extruded profile exiting the die of the extrusion press is formed into a helical shape by way of one or more guide tools, and more particularly such that the ends of the helical shape are separated from the extruded strand in the region of the overlap and formed into a two-dimensional or three-dimensional structural component in a shaping device.