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Title:
IMPACT-ABSORBING COMPONENT
Document Type and Number:
WIPO Patent Application WO/2014/136733
Kind Code:
A1
Abstract:
Provided is an impact-absorbing component for which: stable accordion-shaped collapsing deformation is possible regardless of the direction of the impact load; the buckling wavelength is small; and the buckling load is large. The laminated metal sheet (9) (impact-absorbing component) is configured by the maximum circumference of the component cross-section comprising 50% or more of a member, which is a laminated metal sheet (9) having surface layers (5A, 5B) obtained from metal sheets with higher Young's modulus and density than a core layer (10) laminated on both surfaces of the core layer (10) and which has been formed in a shape having at least two ridge lines (3). The ratio (tc/tf) of the thickness of the core layer (tc) to the thickness of the surface layers (5A, 5B) (tf) is 10.0 or less.

Inventors:
KOGA, Atsuo (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
OHISHI, Hiroshi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2014/055343
Publication Date:
September 12, 2014
Filing Date:
March 03, 2014
Export Citation:
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Assignee:
NIPPON STEEL & SUMITOMO METAL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
International Classes:
F16F7/12; F16F7/00
Foreign References:
JPH0345421A1991-02-27
JPS58160141A1983-09-22
JPH07101354A1995-04-18
JP2007283875A2007-11-01
JP2002286066A2002-10-03
JPH01127332A1989-05-19
JP2783100B21998-08-06
JPH07224874A1995-08-22
JP2006207724A2006-08-10
JP2012081826A2012-04-26
Other References:
See also references of EP 2966312A4
JOURNAL OF SOCIETY OF AUTOMOTIVE ENGINEERS OF JAPAN, 1974, pages 60
TYMOSHENKO: "Buckling Theory", 1971, CORONA PUBLISHING, pages: 221 - 225
JIDOUSHAGIJUTSU, vol. 47, no. 4, 1993, pages 57
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (TAIYO, NAKAJIMA & KATO 3-17, Shinjuku 4-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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