Title:
OUTER ENVELOPE MATERIAL FOR VACUUM THERMAL INSULATION MATERIAL, VACUUM THERMAL INSULATION MATERIAL, AND ARTICLE EQUIPPED WITH VACUUM THERMAL INSULATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/010416
Kind Code:
A1
Abstract:
The present invention provides an outer envelope material (10) for a vacuum thermal insulation material having a heat-weldable film (1), and an aluminum alloy foil (2) disposed on one main surface side of the heat weldable film. The aluminum alloy foil comprises, from among the aluminum alloys of alloy No. A8079 defined by JIS H4160:1994, the aluminum alloy foil corresponding to base symbol O defined in JIS H0001. The crystal particles of the aluminum alloy contained in the aluminum alloy foil, have a surface-average crystal surface area of 75 μm2 or less.
Inventors:
YAMAMOTO KAZUKI (JP)
IMAI MASAHIRO (JP)
MUNEDA TAKU (JP)
MIZOSHIRI MAKOTO (JP)
IMAI MASAHIRO (JP)
MUNEDA TAKU (JP)
MIZOSHIRI MAKOTO (JP)
Application Number:
PCT/JP2020/027484
Publication Date:
January 21, 2021
Filing Date:
July 15, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B15/08; F16L59/02; F16L59/065
Domestic Patent References:
| WO2016006191A1 | 2016-01-14 |
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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