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:
Aug. 19, 2025
Filed:
Jan. 28, 2021
Applicant:
Outokumpu Oyj, Helsinki, FI;
Inventor:
Stefan Lindner, Willich, DE;
Assignee:
Outokumpu Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R 19/34 (2006.01); B60R 19/03 (2006.01); F16F 7/12 (2006.01); B21C 37/08 (2006.01); B21C 37/16 (2006.01);
U.S. Cl.
CPC ...
B60R 19/34 (2013.01); B60R 19/03 (2013.01); F16F 7/125 (2013.01); B21C 37/0803 (2013.01); B21C 37/16 (2013.01);
Abstract
The present invention relates to a motor vehicle crash box with a working direction in vehicle's longitudinal axis manufactured out of a tube which is expanded into different zones, wherein the zones are different in strength and diameter by using steel after forming a homogenous austenitic microstructure with a strain hardening effect. The present invention further relates to the manufacturing method of such a component.