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Title:
VACUUM HEAT INSULATION MATERIAL, HEAT INSULATION BOX, AND METHOD FOR MANUFACTURING VACUUM HEAT INSULATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/021359
Kind Code:
A1
Abstract:
This vacuum heat insulation material comprises a core material that holds a vacuous space, a hydroxide, and an outer covering material that covers the core material and the hydroxide, the interior of the outer covering material being depressurized and sealed, and the weight of the hydroxide being at least 0.01 times the weight of the core material. This method for manufacturing a vacuum heat insulation material comprises: a step for using the outer covering material to cover and seal an oxide and the core material for holding the vacuous space, thus forming a sealed body; a step for heat-treating the sealed body; and a step for depressurizing and sealing the interior of the outer covering material of the sealed body.

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Inventors:
FUJIMURA KAZUMASA (JP)
MUKAIYAMA TAKAYOSHI (JP)
OMORI YUKI (JP)
ABIKO SHOHEI (JP)
TAKAI HIROAKI (JP)
Application Number:
PCT/JP2017/026778
Publication Date:
January 31, 2019
Filing Date:
July 25, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16L59/065
Foreign References:
JPH11106539A1999-04-20
JPH10318487A1998-12-04
JP2015059642A2015-03-30
JP2015178853A2015-10-08
JP2016084833A2016-05-19
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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