Heat insulating paper cups

Details Heat insulating paper cups Heat insulating paper cups

B - Operations, Transporting

65

D

B65D 3/22 (2006.01) B29C 44/12 (2006.01) B29C 44/34 (2006.01) B31B 15/00 (2006.01) B32B 1/00 (2006.01) B32B 5/18 (2006.01) B32B 27/10 (2006.01) B65D 81/38 (2006.01)

Patent

CA 2262802

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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