HEAT INSULATOR AND HEAT-INSULATING VESSEL
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United States of America Patent
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Jul 13, 2017
app pub date -
Jun 2, 2015
filing date -
Jun 4, 2014
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Abstract
A heat insulator (10) is provided in a heat-insulating vessel for holding a substance having a temperature that is lower than ordinary temperature by at least 100° C. The heat insulator (10) includes a core material (14) and an outer wrapping material (13) for wrapping the core material (14). The core material (14) has a heat-insulating core material made of an open-cell resin. The outer wrapping material (13) is made of a metal thin plate. A peripheral edge of the metal thin plate is fixedly bonded. An inside of the outer wrapping material is vacuum-sealed.
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