Patent ID: 9731877
Date: 2017-08-15
CPC Classifications: B65D

Claim:
1. A sealing device for a container, said sealing device comprising a circular stopper designed to seal the neck of the container and a cap made from synthetic material capable of covering both the neck and the stopper fitted on said neck, said cap being provided with means for locking onto the neck, wherein: the cap is in one piece and comprises a skirt, capable of radially surrounding a collar of the neck of the container, as well as an annular portion provided with a central opening allowing permanent access to the stopper even when the entire sealing device closes the container, the skirt has, on the inner radial surface thereof, at least two jamming areas located axially, along a central longitudinal axis of the sealing device, at the level of an outer peripheral edge of the stopper, for radially jamming the stopper, the radius of the inner surface of the skirt in the jamming areas for jamming the stopper is smaller than or equal to half of the maximum unstressed diameter of the stopper, the skirt has, on the inner radial surface thereof and between the two jamming areas for jamming the stopper, a release area with an internal diameter strictly greater than the minimum unstressed diameter of the stopper, and the stopper is disc-shaped and made from an elastomer.