REFRIGERATOR
To suppress deterioration in heat insulation performance and appearance quality even in the case where the wall thickness of a refrigerator is reduced.SOLUTION: A refrigerator includes an outer box, an inner box, a vacuum heat insulation material arranged between the outer box and the inner box, and...
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Main Authors | , , |
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Format | Patent |
Language | English Japanese |
Published |
08.08.2019
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Subjects | |
Online Access | Get full text |
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Summary: | To suppress deterioration in heat insulation performance and appearance quality even in the case where the wall thickness of a refrigerator is reduced.SOLUTION: A refrigerator includes an outer box, an inner box, a vacuum heat insulation material arranged between the outer box and the inner box, and a hard urethane foam foamed and filled between the outer box and the inner box. In a region in which the thickness of the hard urethane foam is equal to or less than 10 mm, the shape of a cell of the hard urethane foam is long in a foaming flow direction.SELECTED DRAWING: Figure 6
【課題】冷蔵庫を薄壁化する場合であっても、断熱性能と外観品質の低下を抑制する。【解決手段】外箱と、内箱と、前記外箱と前記内箱との間に配置される真空断熱材と、前記外箱と前記内箱との間に発泡充填される硬質ウレタンフォームと、を備えた冷蔵庫において、前記硬質ウレタンフォームの厚さが10mm以下となる領域は、前記硬質ウレタンフォームのセルの形状が、発泡流動方向に長い。【選択図】 図6 |
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Bibliography: | Application Number: JP20180014311 |