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:
Jun. 09, 2009
Filed:
May. 18, 2004
Applicants:
Detleff Steinhöfer, Schloss Holte-Stukenbrock, DE;
Ralf Kolleck, Kronau, DE;
Inventors:
Detleff Steinhöfer, Schloss Holte-Stukenbrock, DE;
Ralf Kolleck, Kronau, DE;
Assignee:
ThyssenKrupp Automotive AG, Bochum, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 1/10 (2006.01); C21D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A simpler and less expensive method of fabricating pressed components from sheet steel that can be heat treated while inside the press, whereby the material is heated to above its transformation point Ac, pressed, and cooled, controlled, to below its crystalline-transformation point. The sheet is unwound from a coil (), heated to above its transformation point, pressed in a press, and separated.