A sealing means for drinks pagkages

Details A sealing means for drinks pagkages A sealing means for drinks pagkages

B - Operations, Transporting

65

D

B65D 53/02 (2006.01) B65D 51/16 (2006.01)

Patent

CA 2430407

The invention relates to a sealing device (3, 30) for sealing off an opening (5) of a plastic drink package. Said sealing device (3, 30) has a flexible collar (10) that is provided with an inward-facing surface (45) that is subject to the internal pressure. The collar (10), in the closed position of the sealing device (30), is functionally linked with a collar rim (11) of the opening (5) to be sealed off and is adapted to exert a pressure (K) thereon that increases in proportion to the internal pressure (P).

Dispositif d'étanchéité (3, 30) permettant d'étanchéifier une ouverture (5) d'un emballage pour boisson en plastique. Ledit dispositif (3, 30) comporte une collerette souple (10) qui possède une surface (45) orientée vers l'intérieur et soumise à la pression interne. Lorsque le dispositif d'étanchéité (30) se trouve à l'état fermé, la collerette (10) se trouve en liaison fonctionnelle avec un bord (11) de col de l'ouverture (5) à étanchéifier. Ledit dispositif est conçu de manière telle que la force de pression (K) augmente proportionnellement à la pression interne (P).

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