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:
Dec. 12, 2017
Filed:
Jun. 20, 2013
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Ryuichi Nishimura, Tokyo, JP;
Kenichiro Otsuka, Tokyo, JP;
Yoshiaki Nakazawa, Tokyo, JP;
Yoshihiko Masuo, Tokyo, JP;
Toshiya Suzuki, Tokyo, JP;
Yoshiyuki Ikeda, Tokyo, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
A press-formed body () made of a high-tensile strength steel sheet of 390 MPa or more including a groove bottom part (), ridge line parts () continuous to the groove bottom part (), and side wall parts () continuous to the ridge line parts (), and in which an outward flange () is formed at an end part in a longitudinal direction is manufactured by a press-forming apparatus including a punch (), a die (), and a pad () which presses and binds a press-forming material () to the punch (), thereby forming the press-formed body () without providing cutouts at a ridge line part flange portion of the outward flange, or generating lowering of material yield.