HEAT INSULATION CONTAINER, HEAT INSULATION BAG, AND VACUUM HEAT INSULATION MATERIAL
To reduce the quantity of heat entering and exiting from a heat insulation container through an opening.SOLUTION: A heat insulation container 1 has a core material 13 and a casing material 12 which houses and seals the core material 13 hermetically in a pressure-reduced state, and a vacuum heat insu...
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Zusammenfassung: | To reduce the quantity of heat entering and exiting from a heat insulation container through an opening.SOLUTION: A heat insulation container 1 has a core material 13 and a casing material 12 which houses and seals the core material 13 hermetically in a pressure-reduced state, and a vacuum heat insulation material 11 formed in a rectangular sheet shape is bent into a bag shape. The core material 13 is so arranged that heat conductivity λ1 in a first direction D1 substantially orthogonal to a side 28 of the vacuum heat insulation material 11 which faces an opening 2 when formed in the bag shape is less than heat conductivity in a direction crossing the first direction D1.SELECTED DRAWING: Figure 1
【課題】保温容器の開口から入出する熱量を低減する。【解決手段】保温容器1は、芯材13、及び芯材13を収容して減圧状態で密封する外被材12を有し、矩形シート状に形成される真空断熱材11が、折り曲げられて袋状に形成される保温容器1であって、袋状に形成されたときに開口2に対応する前記真空断熱材11の辺28と略直交する第1方向D1の熱伝導率λ1が、第1方向D1と交差する方向の熱伝導率よりも低くなるように、芯材13が配置される。【選択図】図1 |
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