Manufacturing process of heat-resisting glass or enamel coating on a thermally insulated container chamber
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United States of America Patent
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Dec 25, 2018
Grant Date -
Sep 14, 2017
app pub date -
Jun 22, 2016
filing date -
Mar 9, 2016
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Abstract
A manufacturing process of a heat-resisting glass or enamel coating of a thermally insulated container chamber is described. The process comprises selecting a thermally insulated metal container body, and performing sand blasting to a chamber surface of the body such that the chamber surface becomes a rough surface. The process comprises spraying a glass or enamel glazing material on the rough surface of the body and drying the glazing material on the rough surface. The process comprises placing a dried body on a bracket and sintering the dried body. After sintering is performed, the process comprises removing the body from the bracket. Using this disclosure the chemical properties of the glass coating or enamel coating are relatively stable, so corrosion will not occur. Because the thermal expansion and cold contraction are relatively small, the coating is suitable for manufacturing thermally insulated containers such as thermally insulated cups.
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