Method for fabricating heat insulating paper cups
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 31, 2000
Grant Date -
N/A
app pub date -
Mar 6, 1998
filing date -
Mar 6, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat insulating paper cup with improved insulation in areas where printed matter exists. The printed matter is applied using a water-based alkyd or epoxy ink. In one embodiment the cup can include a body member having an inside surface and an outside surface, and a bottom panel member having a upper surface and a bottom surface. The body member is coated on its outside surface with a foamed synthetic resin, and on its inside surface with an unfoamed synthetic resin. The bottom panel member is optionally coated on its upper surface with a foamed or an unfoamed synthetic resin. The body member and bottom panel member are oriented and joined to form a seal at an interface between a portion of inside surface of the body member and a portion of the upper surface of the bottom panel member. The printed matter is applied prior to foaming of the synthetic resin on the outer surface of the cup.
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