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. 02, 2026
Filed:
Oct. 08, 2021
Nippon Steel Corporation, Tokyo, JP;
Minoru Sugawara, Tokyo, JP;
Takashi Yamamoto, Tokyo, JP;
Yasuharu Tanaka, Tokyo, JP;
Takashi Miyagi, Tokyo, JP;
Misao Ogawa, Tokyo, JP;
Junki Natori, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
A manufacturing method of a press-formed article () including: press-forming a metal sheet into a preformed article () including a preformed bottom sheet portion (), a first preformed standing wall portion (), a second preformed standing wall portion (), a preformed ridge portion () provided between the first preformed standing wall portion () and the second preformed standing wall portion (), and a swollen portion () provided between the preformed bottom sheet portion () and the first and second preformed standing wall portions () and (); and press-forming the preformed article () into a press-formed article () including a bottom sheet portion (), a first standing wall portion () adjacent to the bottom sheet portion (), a second standing wall portion () adjacent to the bottom sheet portion (), and a ridge portion () provided between the first standing wall portion () and the second standing wall portion ().