Title:
DOUBLE-LAYER ROCK WOOL FIREPROOF HEAT-INSULATION SANDWICH PANEL
Document Type and Number:
WIPO Patent Application WO/2021/120094
Kind Code:
A1
Abstract:
A double-layer rock wool fireproof heat-insulation sandwich panel. The sandwich panel is provided with a central polyurethane layer (1), and a first rock wool layer (21) and a second rock wool layer (22) which are arranged on and connected to the central polyurethane layer (1); and a first steel plate (31) is arranged on the surface of the first rock wool layer (21) distant from the central polyurethane layer (1), and a second steel plate (32) is arranged on the surface of the second rock wool layer (22) distant from the central polyurethane layer (1). The double-layer rock wool fireproof heat-insulation sandwich panel meets the requirements for both heat-insulation and fireproof performance.
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Inventors:
WANG GUOPING (CN)
WU SIQUAN (CN)
WU SIQUAN (CN)
Application Number:
PCT/CN2019/126570
Publication Date:
June 24, 2021
Filing Date:
December 19, 2019
Export Citation:
Assignee:
JIANGSU JINGXUE INSULATION TECH CO LTD (CN)
International Classes:
E04B1/80; E04B1/94
Foreign References:
| CN203320885U | 2013-12-04 | |||
| CN202248351U | 2012-05-30 | |||
| CN201915514U | 2011-08-03 | |||
| CN202202428U | 2012-04-25 | |||
| CN204081105U | 2015-01-07 | |||
| US20160237683A1 | 2016-08-18 |
Attorney, Agent or Firm:
BEIJING HUICHENG LAW FIRM (CN)
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