Vacuum thermal insulation material
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Dec 22, 2015
filing date -
Jan 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A vacuum heat insulation material includes outer covering material which has a gas barrier property and a core material that is provided in an inside of outer covering material, the inside of the outer covering material being vacuum sealed, in which a sealed portion that is configured by sealing the peripheral edge of outer covering material, fin that is formed on the peripheral edge of outer covering material, and compressed portion which is formed by a protrusion being compressed, the protrusion is generated when the peripheral edge of outer covering material is folded back toward the core material are provided. Thereby, it is possible to provide a vacuum heat insulation material that is able to suppress reduction of a heat insulation property when a plurality of sheets are disposed lined up.
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