Title:
中空構造体及びその製造方法
Document Type and Number:
Japanese Patent JP7392971
Kind Code:
B2
Abstract:
To provide a hollow structure having improved strength.SOLUTION: A hollow structure 10 made of thermoplastic resin comprises a hollow tabular core layer 20 with a plurality of cells S arranged side by side, partitioned by sidewalls 23 standing in the thickness direction, and skin layers 30 and 40 joined to at least one of the main surfaces 20a and 20b of the core layer 20. On the sidewalls 23 of the core layer 20, projections 24 and 25 projecting toward inside of the cells S are arranged.SELECTED DRAWING: Figure 1
Inventors:
Takeshi Osawa
Application Number:
JP2019171817A
Publication Date:
December 06, 2023
Filing Date:
September 20, 2019
Export Citation:
Assignee:
Gifu Plastic Industry Co., Ltd.
International Classes:
B32B3/12
Domestic Patent References:
| JP2010247447A | ||||
| JP2010247448A | ||||
| JP2008520456A | ||||
| JP2017065026A | ||||
| JP2017196782A | ||||
| JP2018066914A |
Foreign References:
| WO2010119946A1 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda