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:
Apr. 19, 2022
Filed:
Dec. 06, 2011
Cedric Gasqueres, Aix en Provence, FR;
Jean-etienne Fournier, Basse-Nendaz, CH;
Cedric Gasqueres, Aix en Provence, FR;
Jean-Etienne Fournier, Basse-Nendaz, CH;
CONSTELLIUM VALAIS SA (AG, LTD), Sierre, CH;
CONSTELLIUM ISSOIRE, Issoire, FR;
Abstract
The present invention relates to an aluminum alloy for the manufacture of thick blocks comprising (as a percentage by weight), Zn: 5.3-5.9%, Mg: 0.8-1.8%, Cu: <0.2%, Zr: 0.05 to 0.12%, Ti<0.15%, Mn<0.1%, Cr<0.1%, Si<0.15%, Fe<0.20%, impurities having an individual content of <0.05% each and <0.15% in total, the rest aluminum, The alloy may be used in a process comprising the steps of: In this process, said block is not subjected to any significant deformation by working between the casting and the tempering. The alloy and the method according to the invention are particularly useful for the manufacture of molds for injection-molding plastics.