Title:
AUTOMOTIVE FRAME PART
Document Type and Number:
WIPO Patent Application WO/2019/064909
Kind Code:
A1
Abstract:
An A-pillar lower part 1 which is an automotive frame part related to the present invention has: an outer panel 3 which is substantially T-shaped in plan view with a hat-shaped cross section intersecting with portions corresponding to the transverse and longitudinal sides of the substantial T shape and which comprises a top plate portion 3a, a vertical wall portion 3b, and a flange portion 3c; and an inner panel 5 which is joined to the flange portion 3c of the outer panel 3 to form a closed cross section with respect to the outer panel 3. The inner panel 5 and the outer panel 3 comprise metal and have within a space formed therebetween a plurality of resin stiffening members 7, each having one end joined to the inner surface 3d of the outer panel 3 and the other end joined to the inner surface 5a of the inner panel 5. The shape and arrangement of the plurality of stiffening members 7 are determined on the basis of the result of an analysis using a shape optimization analysis method, and each of the plurality of stiffening members 7 has a columnar shape or a columnar shape bulging at both ends.
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Inventors:
HIGAI KAZUHIKO (JP)
SAITO TAKANOBU (JP)
TAMAI YOSHIKIYO (JP)
SAITO TAKANOBU (JP)
TAMAI YOSHIKIYO (JP)
Application Number:
PCT/JP2018/028796
Publication Date:
April 04, 2019
Filing Date:
August 01, 2018
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B62D25/04; B62D65/00
Foreign References:
JP2007001515A | 2007-01-11 | |||
JP2002337734A | 2002-11-27 | |||
JP2015202761A | 2015-11-16 | |||
JP2016159812A | 2016-09-05 | |||
JP2014080182A | 2014-05-08 | |||
JP2014166767A | 2014-09-11 | |||
JP2008247347A | 2008-10-16 |
Other References:
See also references of EP 3689716A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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