Closure and container system for hot filled containers

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 51/14 (2006.01) B65B 7/16 (2006.01) B65B 7/28 (2006.01) B65B 61/00 (2006.01) B65D 41/04 (2006.01) B65D 51/20 (2006.01)

Patent

CA 2303892

A closure device (20) for a plastic container (10) includes a liner (40) and a plastic closure (20). The liner is sealed to the neck (14) of the bottle at the end of face (16) of the neck and along a portion of the outer surface of the neck. The plastic closure engages the liner to retain the liner against the neck during sealing and to seal the area between the liner and the closure top from liquids present during cooling of the container. The closure includes a top wall (22), an annular outer flexible seal (30) depending from the top wall, and at least one annular pressure ring (34). The outer flexible seal retains an outer edge of the liner against the outer surface of the container neck and prevents ingress of liquids. The annular pressure ring engages the liner to retain the liner against the end face of the neck during sealing.

L'invention concerne un dispositif de fermeture (20) pour un récipient en plastique (10), comprenant une garniture (40) et une fermeture en plastique (20). La garniture ferme le goulot (14) de la bouteille de manière étanche, au niveau de la face d'extrémité (16) dudit goulot et le long d'une partie de la surface extérieure de ce goulot. La fermeture en plastique coopère avec la garniture afin de maintenir ladite garniture contre le goulot pendant la réalisation de l'étanchéité, et afin de rendre étanche aux liquides présents pendant le refroidissement du récipient, la zone se trouvant entre la garniture et le haut de la fermeture. La fermeture comprend une paroi supérieure (22), un joint d'étanchéité souple extérieur annulaire (30) dépendant de ladite paroi supérieure, et au moins un anneau de pression annulaire (34). Le joint d'étanchéité souple annulaire maintient un bord extérieur de la garniture contre la surface extérieure du goulot du récipient et empêche l'entrée de liquides. L'anneau de pression annulaire coopère avec la garniture afin de maintenir ladite garniture contre la face d'extrémité du goulot pendant la réalisation de l'étanchéité.

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