Double-walled paperboard cup
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United States of America Patent
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Mar 16, 2010
Grant Date -
Oct 12, 2006
app pub date -
Apr 10, 2006
filing date -
Apr 12, 2005
priority date (Note) -
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Abstract
Described is a double-walled heat-insulating paperboard cup which stacks with the aid of an upper stacking stopper. A particularly stable design is achieved by means of the embodiment of the upper stacking stopper, which results in good stackability and de-stackability of the cups. Furthermore a process is described which is applied for the manufacture of a cup of this type.
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Family
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