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:
Oct. 22, 2019
Filed:
Jan. 30, 2015
Applicant:
Thyssenkrupp Steel Europe Ag, Duisburg, DE;
Inventors:
Maria Köyer, Dortmund, DE;
Janko Banik, Altena, DE;
Assignee:
THYSSENKRUPP STEEL EUROPE AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/00 (2006.01); B21D 22/02 (2006.01); B21D 22/20 (2006.01); B21J 17/00 (2006.01); C21D 1/673 (2006.01);
U.S. Cl.
CPC ...
B21J 17/00 (2013.01); B21D 22/022 (2013.01); B21D 22/201 (2013.01); B21D 22/208 (2013.01); C21D 9/0056 (2013.01); C21D 1/673 (2013.01);
Abstract
A method for the surface treatment of a metal workpiece, in particular of a coated metal workpiece, for hot forming includes partially or completely heating the workpieces to a temperature of at least Ac1, cleaning at least one surface of the heated workpiece with at least one pressurized air jet, forming the heated and cleaned workpiece, and cooling down the formed workpiece.