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. 03, 2015
Filed:
Feb. 17, 2011
Applicants:
Jan Larsson, Lulea, SE;
Paul Akerstrom, Lulea, SE;
Daniel Berglund, Norrfjarden, SE;
Inventors:
Assignee:
Gestamp Hardtech AB, Lulea, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/02 (2006.01); C21D 1/673 (2006.01); B21D 22/02 (2006.01); C21D 1/18 (2006.01);
U.S. Cl.
CPC ...
C21D 1/673 (2013.01); B21D 22/022 (2013.01); C21D 1/18 (2013.01);
Abstract
In a press-hardening plant, a contact-cooling press () is provided between the furnace () and the press-hardening press (). Preselected parts of the blank () are contact-cooled such that corresponding parts of the finished product are softer and display a lower yield point.