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.

Date of Patent:
Sep. 08, 2020

Filed:

Mar. 07, 2018
Applicant:

Nippon Steel Corporation, Tokyo, JP;

Inventors:

Atsuo Koga, Tokyo, JP;

Yoshiaki Nakazawa, Tokyo, JP;

Satoshi Hirose, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60R 19/18 (2006.01);
U.S. Cl.
CPC ...
B60R 19/18 (2013.01); B60R 2019/186 (2013.01); B60R 2019/1813 (2013.01);
Abstract

A bumper beamincludes a closing plateand a hat member. The hat memberincludes a top plate, two flanges, and two walls. The hat memberincludes a high-strength portionH and low-strength portionsL. The high-strength portionH includes a longitudinally middle portion of each of the two wallsand extends a length of at least 250 mm. The high-strength portionH has a tensile strength not lower than 1.5 GPa. The low-strength portionsL are located outward of the high-strength portion and extends a length not smaller than the height of the walls. The low-strength portions have a tensile strength lower than the tensile strength of the longitudinally middle portion of the two walls.


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