DOUBLE-WALLED BEVERAGE CONTAINER AND METHOD OF FORMING THE SAME
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United States of America
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Issued Date -
Jan 16, 2020
app pub date -
Jul 10, 2019
filing date -
Jul 10, 2019
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Abstract
Provided are ceramic compositions and containers, in each case comprising a ceramic (e.g., porcelain, stoneware, porcelain, or ceramic composition having properties of both) composition to which an amount of alumina has been added to provide a ceramic composition comprising 20% to 25% (wt./wt.) alumina, preferably about 22% (wt./wt.) alumina, providing a stronger material, such that wall thicknesses (e.g., of double-walled beverage containers) can be reduced or minimized to create a lighter double-walled ceramic container. The disclosed containers have a chemical and porous structure suitable for a wide array of stoneware glazes, and display water absorption rate properties comparable to stoneware. Methods of making same are provided.
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