Double-walled, vacuum-insulated container having inner coating cured at high temperature
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United States of America Patent
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Jan 31, 2017
Grant Date -
Jun 11, 2015
app pub date -
Dec 9, 2013
filing date -
Dec 9, 2013
priority date (Note) -
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Abstract
A double-walled, vacuum-insulated container is manufactured with a cured inside coating. To form the container, an inner liner is disposed in an outer body. The inner liner has an inner sidewall, an inner bottom, and an inner lip, and the outer body has an outer sidewall and an outer lip. The inner and outer lips are affixed together with an affixation or weld having a first melt point. A plenum is enclosed between the inner liner and the outer body by affixing an outer bottom to the outer body and creating a vacuum at least partially in the plenum using a seal having a second melt point. This second melt point can be about 450° C. and 500° C. The coating is painted to an inside surface of the inner liner, and the painted coating is cured with a temperature level at least below the first and second melt points.
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