Title:
中空構造体及びその製造方法
Document Type and Number:
Japanese Patent JP7341530
Kind Code:
B2
Abstract:
A hollow structure is provided with: a plate-shaped hollow portion that has a first surface and a second surface on the side opposite to the first surface; and a dense portion that defines a recessed part opening into the first surface of the hollow portion, the dense portion protruding from the second surface. The hollow portion has a thermoplastic resin core layer that includes a plurality of cells and a thermoplastic resin skin layer that is stacked on the core layer. The depth of the recessed part is greater than or equal to the thickness of the hollow portion. The dense portion is constituted by a thermoplastic resin that is connected to the core layer and the skin layer. The thickness of the dense portion is thinner than the thickness of the hollow portion.
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Inventors:
Hirotaka Ito
Tatsuya Shinkai
Hironori Ito
Tatsuya Shinkai
Hironori Ito
Application Number:
JP2021502196A
Publication Date:
September 11, 2023
Filing Date:
February 21, 2020
Export Citation:
Assignee:
Gifu Plastic Industry Co., Ltd.
International Classes:
B29C43/20; B32B3/26; B29C43/34
Domestic Patent References:
| JP5756251A | ||||
| JP2003334825A | ||||
| JP2009529445A | ||||
| JP20196118A | ||||
| JP2016153166A | ||||
| JP201335154A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda
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