Title:
METHOD FOR MANUFACTURING IMPACT-ABSORBING MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/129227
Kind Code:
A1
Abstract:
The present invention provides an impact-absorbing member having a hollow-structured impact-absorbing section comprising an outer cylinder section and a hollow section, wherein the outer cylinder section includes a thermoplastic resin and carbon fibers having a weight-average fiber length of 1 mm to 100 mm, and throughout the entire periphery of the outer cylinder part, there is an annular region where the carbon fibers are dispersed in an in-plane direction and there is no bonding portion such as a welded surface; therefore, there is no breaking starting point when impact is borne and the impact absorption ability is stable.
Inventors:
YOKOMIZO HODAKA (JP)
OBATA AKIHIKO (JP)
OBATA AKIHIKO (JP)
Application Number:
PCT/JP2018/047112
Publication Date:
June 25, 2020
Filing Date:
December 20, 2018
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
F16F7/12; B29C70/42; F16F7/00
Foreign References:
| JP2015148282A | 2015-08-20 | |||
| JPH1055147A | 1998-02-24 | |||
| JP2012087849A | 2012-05-10 | |||
| JP2013000933A | 2013-01-07 | |||
| JP2006205419A | 2006-08-10 | |||
| US8946342B2 | 2015-02-03 | |||
| JP2013049208A | 2013-03-14 |
Other References:
See also references of EP 3901486A4
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (JP)
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