Paperboard containers having improved bulk insulation properties
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United States of America Patent
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Jun 7, 2011
Grant Date -
Sep 20, 2007
app pub date -
Apr 10, 2007
filing date -
Feb 26, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A method of making a texture-coated and/or insulation coated container from a flat paperboard blank in which a heat-hardenable liquid polymeric binder texturizing and/or insulating agent coating mixture is applied to one surface of the blank in a pattern of covered and open areas. This coating mixture is subjected to heat to cure the polymeric binder and expand the texturizing and/or insulating agent, optionally treated with moisture, and optionally heated to form the blank into the shape of a container, and the container produced by this method. The containers such as cups, plates, etc., are useful in food service. These containers have a coefficient of static friction which is about 0.2 to 2.0 and over and a kinetic coefficient of friction which is about 0.22 to 1.5.
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Family
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Cited Art Landscape
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