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:
Feb. 25, 2025
Filed:
Apr. 08, 2021
Jfe Steel Corporation, Tokyo, JP;
Ryo Ageba, Tokyo, JP;
JFE STEEL CORPORATION, Tokyo, JP;
Abstract
A press forming method forms a press forming part including: a top portion having a convex and concave outer edge part where a convex outer edge part protruding outward in an in-plane direction and a concave outer edge part recessed inward in the in-plane direction are continuous to each other via a connecting outer edge part; and a flange portion continuously formed on the convex and concave outer edge part, and includes: forming a preformed part including a flange portion formed in the convex outer edge part and including a torsional shape portion having a torsional shape toward the concave outer edge part so as to be formed in the connecting outer edge part continuous from the flange portion; and forming the preformed part into a target shape by forming the torsional shape portion into the flange portion and forming the flange portion in the concave outer edge part.