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Title:
SHOCK-ABSORBING MEMBER
Document Type and Number:
WIPO Patent Application WO/2012/026578
Kind Code:
A1
Abstract:
This shock-absorbing member is equipped with a tubular body comprising a plurality of flat plate parts and a plurality of corner parts provided between the plurality of flat plate parts, said shocking-absorbing member having a cross-sectional shape perpendicular to the longitudinal direction that is polygonal. A heat-treated part that has been heat-treated by means of laser light and has been deformed by 0.1 to 3.0 degrees is formed on at least one of the plurality of flat plate parts.

Inventors:
KUWAYAMA Takuya (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
桑山 卓也 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
SUZUKI Noriyuki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
鈴木 規之 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
MIYAZAKI Yasunobu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2011/069289
Publication Date:
March 01, 2012
Filing Date:
August 26, 2011
Export Citation:
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Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目6番1号 Tokyo, 〒1008071, JP)
KUWAYAMA Takuya (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
桑山 卓也 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
SUZUKI Noriyuki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
鈴木 規之 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
International Classes:
F16F7/12; B23K26/00; B62D21/15; B62D25/20; C21D1/09; C21D9/00
Foreign References:
JP2010173422A2010-08-12
JPH10244955A1998-09-14
JP2004114912A2004-04-15
JP2004108541A2004-04-08
Other References:
See also references of EP 2565489A1
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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Claims: