Closure device for membrane-sealed container

Details Closure device for membrane-sealed container Closure device for membrane-sealed container

B - Operations, Transporting

65

D

B65D 51/22 (2006.01)

Patent

CA 2191353

A closure device for a container (12) having an opening sealed with a membrane (13) comprises: a cap (14) adapted to engage the opening of the container for closing the same and comprising a first cylindrical wall (15) connected to one side of a circular base (16); and a membrane-penetrating element (17) comprising a second cylindrical wall (18) connected to the reverse side of the circular base and, within the second cylindrical wall, means for penetrating a membrane when the element is pressed into contact with the opening of a container sealed with the membrane, the means comprising a plurality of arciform cutters (11) that are connected to the base and are coaxial with and in close proximity to the inner surface of the second cylindrical wall, the plurality of the arciform cutters together comprising a total of at least 300 degrees.

Un dispositif de fermeture pour un conteneur (12) ayant l'ouverture scellée hermétiquement à l'aide d'une membrane (13) comprend un couvercle (14) adapté à l'ouverture du conteneur et fermant ce dernier, comprenant une première paroi cylindrique (15) reliée à un côté d'une base circulaire (16); un élément (17) de pénétration dans la membrane et comprenant une seconde paroi cylindrique (18) reliée au côté opposé de la base circulaire et à l'intérieur de la seconde paroi cylindrique, des moyens pour pénétrer dans la membrane lorsque l'élément est comprimé au contact de l'ouverture d'un conteneur scellé par la membrane, les moyens comprenant plusieurs éléments de coupe en forme d'arc (11) qui sont reliés à la base et sont coaxiaux avec la surface interne de la seconde paroi cylindrique, les éléments de coupe en forme d'arc s'étalant au total sur au moins 300 degrés.

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