CONTAINER CLOSURE, CONTAINER EQUIPPED WITH SAME AND METHOD FOR MAKING SAME

摘要

This stopper device (3) for a container (B) comprises a sealing disk (2) suitable for being sealed, adhesively bonded, or blocked against the end edge (12) of the neck (1) of the container (B), while projecting radially outwards from the neck. The device also comprises a stopper (4) suitable for being mounted on the neck (1) and provided with an internal portion in relief enabling a thrust force to be exerted on the sealing disk (2) urging the disk (2) away from the neck (1). The internal portion in relief is formed by a tongue (412) formed integrally with the stopper (4) and folded towards the end wall (413) of the stopper, in a configuration that is generally frustoconical and that converges (alpha) towards said end wall (413).