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:
Dec. 15, 2020
Filed:
Dec. 03, 2018
Arcelormittal, Luxembourg, LU;
Tiago Machado Amorim, Metz, FR;
Joelle Richard, Chantilly, FR;
Eric Jacqueson, Longeville les Metz, FR;
Audrey Lhermeroult, Metz, FR;
Pascale Feltin, Saint Privat la Montagne, FR;
Jean-Michel Lemaire, Villers Saint Paul, FR;
Luc Diez, Metz, FR;
Jean-Michel Mataigne, Senlis, FR;
ARCELORMITTAL, Luxembourg, LU;
Abstract
A metal sheet is provided. The metal sheet includes a substrate having two faces, each face hot dip coated with a metal coating of zinc, aluminum and magnesium. The metal coatings include between 0.1 and 20 wt % of aluminum and 0.1 and 10 wt % of magnesium. Layers of magnesium oxide or magnesium hydroxide are formed on outer surfaces of the metal coatings. The layers are altered by applying an acid solution on the outer surfaces of the metal coatings or by applying mechanical forces using a roller leveler, a brushing device, or a shot-blasting device on the outer surfaces of the metal coatings. The metal sheet also includes a layer of oil deposited directly on the outer surfaces of the metal coatings.