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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.:

US 9452792 B1

PDFFull Text
Date of Patent:
Sep. 27, 2016

Filed:

Apr. 23, 2012

Vehicle collision energy absorbing member excellent in energy absorbing performance and manufacturing method therefor

Applicants:

Shusaku Takagi, Tokyo, JP;

Kaneharu Okuda, Tokyo, JP;

Yoshikiyo Tamai, Tokyo, JP;

Takeshi Fujita, Tokyo, JP;

Yoshitaka Okitsu, Saitama, JP;

Tadashi Naito, Saitama, JP;

Naoki Takaki, Saitama, JP;

Tomoaki Sugiura, Saitama, JP;

Inventors:

Shusaku Takagi, Tokyo, JP;

Kaneharu Okuda, Tokyo, JP;

Yoshikiyo Tamai, Tokyo, JP;

Takeshi Fujita, Tokyo, JP;

Yoshitaka Okitsu, Saitama, JP;

Tadashi Naito, Saitama, JP;

Naoki Takaki, Saitama, JP;

Tomoaki Sugiura, Saitama, JP;

Assignees:

JFE Steel Corporation, , JP;

Honda Motor Co., Ltd., , JP;

Attorney:

DLA Piper LLP (US)

Primary Examiner:

Deborah Yee

Int. Cl.
CPC ...
C22C 38/04 (2006.01); C22C 38/12 (2006.01); C22C 38/06 (2006.01); C21D 7/00 (2006.01); B62D 29/00 (2006.01); C21D 9/00 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); B21D 53/88 (2006.01); C21D 9/46 (2006.01);
U.S. Cl.
CPC ...
B62D 29/007 (2013.01); B21D 53/88 (2013.01); C21D 9/0068 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C21D 9/46 (2013.01); C21D 2211/001 (2013.01); C21D 2211/005 (2013.01); Y10T 29/49622 (2015.01);
Abstract

A vehicle collision energy absorbing member is excellent in collision energy absorbing performance in the axial direction upon collision. The vehicle collision energy absorbing member is formed of a high strength thin steel sheet having TS of at least 980 MPa and having an n-value and a limit bending radius Rc satisfying the following Formula: Rc/t≦1.31×ln(n)+5.21.

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