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Title:
HOLLOW STRUCTURE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/017611
Kind Code:
A1
Abstract:
This hollow structure is formed by folding a synthetic resin-made sheet material obtained by being molded so as to have a predetermined embossed shape. The hollow structure is provided with: a plurality of partition walls that extend in the thickness direction of the hollow structure and that partition a plurality of cells arranged inside the hollow structure, wherein some of the plurality of partition walls have a two-layer structure having a first layer and a second layer; intra-cell filled parts that are a synthetic resin filled in at least some of the plurality of cells; and an interlayer filled part that is a synthetic resin filled between the first layer and the second layer.

Inventors:
ICHINO KATSUHISA (JP)
SHINKAI TATSUYA (JP)
ITO HIROKI (JP)
HORI MAKOTO (JP)
Application Number:
PCT/JP2019/028360
Publication Date:
January 23, 2020
Filing Date:
July 18, 2019
Export Citation:
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Assignee:
GIFU PLASTIC IND CO LTD (JP)
International Classes:
B32B3/12; B29C51/10; B29C51/26; B29L9/00; B29L22/00
Domestic Patent References:
WO2016031479A12016-03-03
Foreign References:
JP2013237242A2013-11-28
JP2001047535A2001-02-20
JPS5648455A1981-05-01
JP2013035154A2013-02-21
JPH11277650A1999-10-12
JP2013220648A2013-10-28
JP2002531287A2002-09-24
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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