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. 25, 2024
Filed:
Mar. 16, 2020
Nippon Steel Corporation, Tokyo, JP;
Atsuo Koga, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
A reinforcing steel member for a motor vehicle of the present invention includes a steel sheet, a first resin material disposed on at least a part of a surface of the steel sheet, and a second resin material disposed on at least a part of a surface of the first resin material and having a matrix resin and a reinforcing fiber material contained in the matrix resin, in which in a cross section of the first resin material and the second resin material perpendicular to the surface of the steel sheet, between one end portion of the second resin material and the other end portion of the second resin material, there is a portion having a length of 80 mm or more along a boundary between the second resin material and the first resin material, in the first resin material, a protrusion portion having a length X of 3.0 mm or more from the two end portions of the second resin material to an end portion of the first resin material is formed in the cross section, and a Young's modulus of the first resin material at room temperature is 1/10 or less of a Young's modulus of the second resin material at room temperature.