Title:
SANDWICH PANEL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/019379
Kind Code:
A1
Abstract:
A sandwich panel of the present invention comprises: an expanded molded body; a first thermoplastic continuous fiber reinforced woven body fused to the upper part of the expanded molded body; and a second thermoplastic continuous fiber reinforced woven body fused to the lower part of the expanded molded body, wherein the first thermoplastic continuous fiber reinforced woven body and the second thermoplastic continuous fiber reinforced woven body are obtained by weaving such that empty spaces with a size of about 3 to about 30 mm × about 3 to about 30 mm are formed between warp threads and between weft threads, while a tape-type glass fiber composite material having a glass fiber impregnated with a polypropylene resin is used for the warp and weft threads. The expandable resin composition has excellent lightness, rigidity, and eco-friendliness.
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| WO/2000/037726 | COMPOSITE FABRIC |
| JPH05318473 | SHEET-SHAPED GLASS FIBER-REINFORCED THERMOPLASTIC RESIN FOR MOLDING |
Inventors:
KIM WON SEOCK (KR)
LIM SUNG HWAN (KR)
KWON YONG JIN (KR)
JANG JUN HYEOK (KR)
JEONG HO GUN (KR)
HWANG MIN HYEOK (KR)
LIM SUNG HWAN (KR)
KWON YONG JIN (KR)
JANG JUN HYEOK (KR)
JEONG HO GUN (KR)
HWANG MIN HYEOK (KR)
Application Number:
PCT/KR2023/009612
Publication Date:
January 25, 2024
Filing Date:
July 06, 2023
Export Citation:
Assignee:
LOTTE CHEMICAL CORP (KR)
International Classes:
B32B17/04; B29C43/20; B29C70/06; B32B5/02; B32B5/24; B32B7/022; B32B17/06; B32B27/06; B32B27/32
Domestic Patent References:
| WO2020202754A1 | 2020-10-08 |
Foreign References:
| KR20190017442A | 2019-02-20 | |||
| KR20190102264A | 2019-09-03 | |||
| KR960005298B1 | 1996-04-23 | |||
| KR20170116793A | 2017-10-20 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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