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. 19, 2021
Filed:
May. 24, 2019
Voestalpine Automotive Components Cartersville Inc., White, GA (US);
Bayerische Motoren Werke Aktiengesellschaft, München, DE;
Wilhelm Weinmeister, Dallas, TX (US);
Markus Pfestorf, Neufahrn, DE;
voestalpine Automotive Components Cartersville Inc., White, GA (US);
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Abstract
A method and a device for heating a sheet metal blank or a formed sheet metal component above the austenitization temperature for the purpose of quench hardening, wherein the dew point of the furnace atmosphere is set to −15° C. to 15° C., preferably to −10° C. to 10° C., in particular for the formation of a loosely adhering oxide skin, for controlling an oxide skin on the sheet metal or component coated with a metallic corrosion protection layer or an uncoated sheet metal or component.