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.

Date of Patent:
Apr. 12, 2005

Filed:

Sep. 30, 2002
Applicants:

Ludger Gehringhoff, Paderborn, DE;

Udo Klasfauseweh, Gütersloh, DE;

Ralf Köhler, Attoln, DE;

Ulrich Jungblut, Paderborn, DE;

Inventors:

Ludger Gehringhoff, Paderborn, DE;

Udo Klasfauseweh, Gütersloh, DE;

Ralf Köhler, Attoln, DE;

Ulrich Jungblut, Paderborn, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D008/00 ;
U.S. Cl.
CPC ...
Abstract

In a method of making a hardened sheet metal article, at least one pot-shaped depression is formed in a sheet metal blank. Thereafter, the sheet metal blank is hot formed in a press mold to a sheet metal article, and the sheet metal article is hardened. The press mold provides hereby a calibration of the depression to provide the final shape.


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