Double-walled paper container and a method for producing the...

Details Double-walled paper container and a method for producing the... Double-walled paper container and a method for producing the...

B - Operations, Transporting

65

D

190/38

B65D 3/06 (2006.01) B65D 3/22 (2006.01)

Patent

CA 1125681

ABSTRACT OF THE DISCLOSURE A double-walled paper container produced by a process for producing the same comprising placing a preformed paper container in a shaping die set cavity of a vacuum draw shaping apparatus positioning a single piece of synthetic resin film or sheet on the top of said paper container, holding the film at the peripheral edge thereof, heating the film to make the plastic film, stretching the film and applying negative pressure to the film to line said preformed paper container with the same is in water-tight fashion and have a good shape holding ability and it is hygienic for the user thereof. The side wall of the paper container is provided with a peeping window portion and said synthetic resin sheet applied to the inner surface of the side wall is applied to the window portion.

353922

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