Title:
SANDWICH PANEL HAVING ANTICLASTIC CURVATURE CHARACTERISTIC AND MANUFACTURING METHOD OF SAME
Document Type and Number:
WIPO Patent Application WO/2020/036302
Kind Code:
A1
Abstract:
The present invention relates to a sandwich panel which can be advantageously applied to a wearable device, and to a method of manufacturing same. In particular, due to having the form in which a two-dimensional auxetic material is attached, as a sheet, to both sides of a regular core material, the sandwich panel of the present invention can be manufactured as lighter/thinner; can even afford a predetermined strength and hardness; and can be conferred with an anticlastic curvature characteristic comparable to that of a three-dimensional auxetic material when subjected to a bending moment, to thereby improve conformity to a substrate. Thus, the sandwich panel can be advantageously utilized as a structural material in a wearable device. Furthermore, the sandwich panel can be conveniently manufactured at a low cost by simply attaching a two-dimensional auxetic material, preprocessed in a sheet form, to a regular core material, and at the same time, can be conferred with behaviors comparable to those of a three-dimensional auxetic material. Thus, it is possible to conveniently overcome practical limitations arising when using a simple configuration with a conventional thin panel-shaped structural material using a conventional three-dimensional auxetic material, such as increased manufacturing difficulty, and hardness of the structural material becoming too low for application in a wearable device.
Inventors:
KANG KI JU (KR)
PARK EUN BYEOL (KR)
KIM GA EUN (KR)
PARK EUN BYEOL (KR)
KIM GA EUN (KR)
Application Number:
PCT/KR2019/007494
Publication Date:
February 20, 2020
Filing Date:
June 21, 2019
Export Citation:
Assignee:
UNIV NAT CHONNAM IND FOUND (KR)
International Classes:
B32B7/02; B32B3/26; B32B15/08; B32B37/14; B32B38/00
Foreign References:
| KR950012781B1 | 1995-10-21 | |||
| KR20100004761A | 2010-01-13 | |||
| KR20120117499A | 2012-10-24 | |||
| KR20140094050A | 2014-07-30 | |||
| KR20160080430A | 2016-07-08 |
Attorney, Agent or Firm:
MI PATENT AND LAW FIRM (KR)
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