作者: Tomohisa Tenra , Masamichi Hashida , Kazuo Hashimoto
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摘要: An outer coating material (13) of a vacuum heat insulation is layered body made by layering, with adhesive agent layers (25, 26) in between, sealant layer (21), metal (22), first plastic film (23), and second (24), that order from the inner side. When pierced foreign object, one inside shuts off propagation breakage caused piercing to prevent production through pin hole. By use high gas barrier ability excellent hole resistance against fine high-quality capable maintaining performance for long period obtained.