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. 20, 2020
Filed:
Jul. 22, 2016
Constellium Neuf-brisach, Biesheim, FR;
Sandvik Intellectual Property Ab, Sandviken, SE;
Laurent Laszczyk, Rielasingen-worblingen, DE;
Hervé Stoppiglia, Meylan, FR;
Victor Rimbau-Gilabert, Barcelone, ES;
David P. Lieb, Beulah, CO (US);
CONSTELLIUM NEUF-BRISACH, Biesheim, FR;
Sandvik Intellectual Property AB, Sandviken, SE;
Abstract
The invention relates to a manufacturing process of aluminum alloy beverage cans by «Drawing-Ironing», characterized in that a friction higher between the bodymaker punch and the aluminum sheet than between the ironing die and said aluminum sheet is produced by at least one of the following specificities: It also relates to a beverage can manufactured by such a process, and characterized in that its reflectance measured at 60° is higher than 73% just after the last ironing step.