Paper container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 5/74 (2006.01) B65D 5/72 (2006.01)

Patent

CA 2422526

A paper container has synthetic resin layers (3) and (4) constituting at least the outermost and innermost surfaces of a laminated structure with paper as a base material (1), the base material (1) being provided with a through-hole (2) serving as a liquid take-out port, in which the paper container is of laminated construction in which the through-hole (2) is covered from inside by a layered material of at least two layers made of an integration of the synthetic resin layer (4) or (10) and a thin paper layer (8). The rigidity of the thin paper layer (8) is imparted to the synthetic resin layer (4) or (10) with which the thin paper layer (8) is integrated. This suppresses the elongation of the synthetic resin layer (4) or (10) to facilitate the piercing of the through-hole (2) portion with a straw or the cutting-off of the through-hole (2) portion.

Dans la présente invention, un contenant en papier comprend des couches (3, 4) de résine synthétique qui constituent au moins les surfaces intérieure et extérieure d'une structure lamellée ayant du papier comme matériau de support (1), ce matériau de support (1) étant formé avec un trou traversant (2) qui fait office d'ouverture de sortie pour du liquide; le contenant en papier présentant une structure lamellée dans laquelle le trou traversant (2) est recouvert depuis l'intérieur par un corps lamellé formé d'au moins deux couches dans lesquelles sont incorporées la couche (4 ou 10) et une couche (8) de papier mince. La rigidité de la couche (8) de papier mince est conférée à la couche (4 ou 10) de résine synthétique dans laquelle est incorporée la couche (8) de papier mince, ceci permettant de supprimer l'allongement de la couche (4 ou 10) de résine synthétique pour faciliter le percement du trou traversant (2) à l'aide d'une paille ou le découpage du trou traversant (2).

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