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. 23, 2023
Filed:
Dec. 10, 2018
Applicant:
Constellium Neuf-brisach, Biesheim, FR;
Inventors:
Bechir Chehab, Voiron, FR;
Carole Loable, Courbevoie, FR;
Assignee:
CONSTELLIUM NEUF-BRISACH, Biesheim, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/02 (2006.01); C22C 21/02 (2006.01); B23K 35/28 (2006.01); B23K 1/20 (2006.01); B32B 15/01 (2006.01); F28F 21/08 (2006.01); C23G 1/12 (2006.01); C23G 1/22 (2006.01); C23F 1/20 (2006.01); C23F 1/36 (2006.01); B23K 103/10 (2006.01); B23K 101/14 (2006.01);
U.S. Cl.
CPC ...
B23K 35/288 (2013.01); B23K 1/20 (2013.01); B23K 35/0238 (2013.01); B32B 15/016 (2013.01); C22C 21/02 (2013.01); C23F 1/20 (2013.01); C23F 1/36 (2013.01); C23G 1/125 (2013.01); C23G 1/22 (2013.01); F28F 21/084 (2013.01); F28F 21/089 (2013.01); B23K 2101/14 (2018.08); B23K 2103/10 (2018.08);
Abstract
The present invention relates to a process for the production of an aluminium multilayer brazing sheet which comprises a core layer made of a 3xxx alloy comprising 0.1 to 0.25 wt. % Mg, a brazing layer made of a 4xxx alloy on one or both sides of the core layer, and optionally an interlayer between the core layer and the brazing layer on one or both sides of the core layer, the process comprising the successive steps of: