Title:
IMPACT ABSORBER AND METHOD FOR PRODUCING IMPACT ABSORBER
Document Type and Number:
WIPO Patent Application WO/2013/022069
Kind Code:
A1
Abstract:
Provided is an impact absorber or the like which has high productivity, while maintaining strength.
This impact absorber is provided with: a first impact absorbing material (20A) which contains a hard polyurethane foam (28A); a second impact absorbing material (20B) which contains a hard polyurethane foam (28B) and has a compressive stress different from that of the first impact absorbing material (20A); and a partition member (20C) which contains a hard polyurethane foam, is arranged between the first impact absorbing material (20A) and the second impact absorbing material (20B), and has a compressive stress that is less different from that of the first impact absorbing material (20A) than that of the second impact absorbing material (20B).
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Inventors:
SATO MASATOSHI (JP)
ZENBA MASAAKI (JP)
EBE KAZUSHIGE (JP)
TAKAHASHI YOSHIYUKI (JP)
ZENBA MASAAKI (JP)
EBE KAZUSHIGE (JP)
TAKAHASHI YOSHIYUKI (JP)
Application Number:
PCT/JP2012/070376
Publication Date:
February 14, 2013
Filing Date:
August 09, 2012
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
SATO MASATOSHI (JP)
ZENBA MASAAKI (JP)
EBE KAZUSHIGE (JP)
TAKAHASHI YOSHIYUKI (JP)
SATO MASATOSHI (JP)
ZENBA MASAAKI (JP)
EBE KAZUSHIGE (JP)
TAKAHASHI YOSHIYUKI (JP)
International Classes:
F16F7/00; B29C39/10; B29C39/12; B29C39/26; B29C44/00; B60R21/04; B29K75/00; B29K105/04
Domestic Patent References:
| WO2011102449A1 | 2011-08-25 |
Foreign References:
| JP2007055495A | 2007-03-08 | |||
| JPS5515848A | 1980-02-04 | |||
| US6541094B1 | 2003-04-01 | |||
| JP2002193056A | 2002-07-10 | |||
| JP2010052267A | 2010-03-11 | |||
| JP2011175976A | 2011-09-08 |
Other References:
See also references of EP 2743535A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
Nakajima 淳 (JP)
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Claims: