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:
Jun. 30, 2026
Filed:
Aug. 03, 2021
Applicant:
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe, JP;
Inventors:
Assignee:
Kobe Steel, Ltd., Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21C 23/00 (2006.01); B21C 23/01 (2006.01); B21C 29/00 (2006.01); C22C 21/00 (2006.01); C22F 1/04 (2006.01);
U.S. Cl.
CPC ...
B21C 23/002 (2013.01); B21C 23/01 (2013.01); B21C 29/003 (2013.01); C22C 21/00 (2013.01); C22F 1/04 (2013.01);
Abstract
A method for manufacturing an aluminum alloy extruded part includes: hot-extruding a 7000 series aluminum alloy by an extruder to form an extruded material; cutting the extruded material extruded from the extruder and moving forward to a predetermined length; applying plastic working to the cut extruded material in a state in which Vickers hardness of the extruded material is 50 to 70 (Hv); and applying aging treatment to the extruded material after the plastic working.