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:
Nov. 25, 2025
Filed:
Nov. 06, 2018
Applicant:
Sms Group Gmbh, Duesseldorf, DE;
Inventors:
Assignee:
SMS GROUP GMBH, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/02 (2006.01); C21D 1/74 (2006.01); C21D 1/76 (2006.01); C21D 9/56 (2006.01); C23C 8/10 (2006.01); C23C 8/80 (2006.01);
U.S. Cl.
CPC ...
C23C 2/02 (2013.01); C21D 1/74 (2013.01); C21D 1/76 (2013.01); C21D 9/561 (2013.01); C23C 2/0222 (2022.08); C23C 2/026 (2022.08); C23C 8/10 (2013.01); C23C 8/80 (2013.01);
Abstract
Method for the preoxidation of high-strength strip steel. The invention relates to an improved method for the preoxidation of high-strength strip steel in a reaction chamber arranged in a furnace chamber. The reaction chamber is sealed at a strip entrance and a strip exit against gas exchange between the furnace chamber and the reaction chamber, and a gas that forms an oxidizing atmosphere in the reaction chamber is introduced, and the gas is continuously circulated within the reaction chamber.