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:
Jul. 10, 2018
Filed:
Sep. 09, 2015
Applicants:
Thyssenkrupp Steel Europe Ag, Duisburg, DE;
Thyssenkrupp Ag, Essen, DE;
Inventors:
Assignees:
THYSSENKRUPP STEEL EUROPE AG, Duisburg, DE;
THYSSENKRUPP AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/00 (2006.01); C21D 1/62 (2006.01); C21D 1/00 (2006.01); C21D 1/18 (2006.01); C21D 6/00 (2006.01); C21D 9/08 (2006.01);
U.S. Cl.
CPC ...
C21D 1/18 (2013.01); C21D 6/00 (2013.01); C21D 9/0062 (2013.01); C21D 9/085 (2013.01);
Abstract
Disclosed herein is a method and tool for hardening a hollow profile of a steel workpiece having an interior space. The method includes the steps of providing a workpiece having a hollow profile, heating the hollow profile, placing the hollow profile of the steel workpiece in a hardening tool, and cooling the hollow profile from the inside by way of a cooling core having an exterior shape that is complimentary to that of the structural shape of the interior space of the hollow profile.