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:
May. 28, 2024

Filed:

Sep. 06, 2019
Applicant:

Jfe Steel Corporation, Tokyo, JP;

Inventors:

Kazuhiko Higai, Tokyo, JP;

Tsuyoshi Shiozaki, Tokyo, JP;

Yoshikiyo Tamai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 7/12 (2006.01); B60R 19/18 (2006.01); B60R 19/34 (2006.01); B62D 21/15 (2006.01); B62D 29/00 (2006.01);
U.S. Cl.
CPC ...
B62D 21/15 (2013.01); B60R 19/18 (2013.01); B60R 19/34 (2013.01); B62D 21/152 (2013.01); B62D 29/005 (2013.01); F16F 7/12 (2013.01); B60Y 2306/01 (2013.01);
Abstract

An automotive crashworthiness energy absorptive part to be provided at a front portion or a rear portion of an automotive body, the automotive crashworthiness energy absorptive part including: a tubular member configured to be axially crushed to absorb crashworthiness energy, the tubular member having a top portion and side wall portions continuous to the top portion; and a resin configured to coat or patch at least inner surfaces of the top portion and the side wall portions of the tubular member, wherein the coated or patched resin has a thickness of 8 mm or less after being heated and forms at least a part of a peripheral wall portion in a closed cross-sectional space, and adheres to the inner surfaces with an adhesive strength of 10 MPa or more.


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