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:
Sep. 10, 2024
Filed:
Oct. 09, 2019
Nippon Steel Corporation, Tokyo, JP;
Kenichiro Otsuka, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
A long formed article made of one steel sheet includes a top sheet portion, a standing wall portion, and a protrusion portion formed in a portion of the top sheet portion by overlapping a portion extending toward an outside from each of both ends of the top sheet portion and a portion extending toward the outside from an upper end of the standing wall portion, in a non-protrusion region, a recessed part is formed in the top sheet portion, and a total value α of inner surface peripheral lengths of the top sheet portion and the standing wall portion in a cross section of the formed article in a protrusion region and a total value β of inner surface peripheral lengths of the top sheet portion, the standing wall portion, and the recessed part in the cross section of the formed article in the non-protrusion region satisfy 1.01≤β/α≤1.50.