Laminated paperboard packaging and method of manufacturing...

B - Operations – Transporting – 65 – D

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B65D 75/26 (2006.01) B32B 29/06 (2006.01) B65D 65/00 (2006.01) B65D 65/42 (2006.01) B65D 85/78 (2006.01)

Patent

CA 2681727

Embodiments of the present invention generally relate to a laminated composite paperboard packaging for containing ice cream and a method of manufacturing the same. In one embodiment of the present invention, a laminated packaging material comprises a layer of paperboard, a layer of an aqueous coating disposed on a first surface of the layer of paperboard, and a layer of a thermoplastic resin disposed on a second surface of the layer of paperboard, wherein the laminated packaging material has a water vapor transmission rate of less than 20 grams per square meter per twenty-four hours in an environment of about 100 degrees Fahrenheit and 90% humidity.

L'invention concerne en général un conditionnement en carton composite stratifié destiné à contenir une glace, et son procédé de fabrication. Selon un mode de réalisation de la présente invention, un matériau de conditionnement stratifié comprend une couche de carton, une couche d'un revêtement disposé sur une première surface de la couche de carton, et une couche de résine thermoplastique disposée sur une seconde surface de la couche de carton, le matériau de conditionnement stratifié ayant un taux de transmission de vapeur d'eau inférieur à 20 g par mètre carré par période de vingt-quatre heures dans un environnement à environ 37,78°C (100°F) et à 90 % d'humidité.

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