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:
May. 24, 2022
Filed:
Apr. 19, 2016
Cockerill Maintenance & Ingenierie S.a., Seraing, BE;
Michel Dubois, Boncelles, BE;
COCKERILL MAINTENANCE & INGENIERIE S.A., Seraing, BE;
Abstract
A method for controlling surface reactions on a steel strip running through a furnace includes, successively, a first section, a second section, and a third section separated by a sealing element, an atmosphere in the second and third sections being oxidizing and reducing respectively, the method including: heating, in the first section, the steel strip to between 600 and 750° C., while causing the atmosphere therein to be slightly oxidizing and to include: an Hcontent inferior to 2%; an Ocontent inferior to 0.1%; an HO or CO, or HO+COcontent superior to 0.03%; a controlled dew point ranging from −50 to −15° C.; and a controlled concentration of CO+COmaintained below 2%. All percentages are expressed in terms of volume.