VACUUM HEAT-INSULATING MATERIAL AND MANUFACTURING METHOD THEREFOR

WIPO Patent Application WO/2017/195329

A1

The purpose of the present invention is to provide a vacuum heat-insulating material with which the reduction in heat-insulating effects in the thickness direction can be limited even while maintaining strength. The vacuum heat-insulating material inhibits heat transfer in the thickness direction from one surface of a core material to the other surface. The core material is provided with a first fiber material layer and a second fiber material layer. The first fiber material layer is provided with multiple short fibers layered in the thickness direction. The second fiber material layer is provided with multiple long fibers layered in the thickness direction and multiple thickness fiber bundles, which extend in the thickness direction and each of which bundles multiple long fibers. The multiple long fibers are longer than the multiple short fibers.

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WO/2020/152854	VACUUM HEAT INSULATION MATERIAL AND HEAT INSULATION BOX
JP6605890	Vacuum insulation panel manufacturing method and vacuum insulation panel manufacturing equipment

SHINOKI TOSHIO (JP)
NAKATSU SATOSHI (JP)
MARUYAMA HITOSHI (JP)
YAJI YOSHIKAZU (JP)
SUZUKI SHUNKEI (JP)

PCT/JP2016/064159

November 16, 2017

May 12, 2016

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MITSUBISHI ELECTRIC CORP (JP)

F16L59/065

WO2015159646A1	2015-10-22
WO2005024107A2	2005-03-17
WO2015185643A1	2015-12-10

JP2010060048A	2010-03-18
JPS62130840A	1987-06-13
JP2011002033A	2011-01-06
JPH02169236A	1990-06-29
US20150377407A1	2015-12-31
JP2010242866A	2010-10-28
JP2015048543A	2015-03-16

See also references of EP 3457018A4

INABA, Tadahiko et al. (JP)

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