Container closure, container equipped with same and method...

Details Container closure, container equipped with same and method... Container closure, container equipped with same and method...

B - Operations, Transporting

65

D

B65D 41/04 (2006.01) B65D 51/22 (2006.01)

Patent

CA 2649461

The invention concerns a device (3) for closing a container (B) comprising a sealing disc (2) capable of being sealed, bonded or locked on the edge (12) of the neck (1) of the container (B) projecting radially outside the neck. It further comprises a cap (4) capable of being mounted on the neck (1) and provided with an inner protrusion for applying on the sealing disc (2) a thrust load in a direction for spacing apart the disc (2) relative to the neck (1). Said inner protrusion is formed by a tab (412) integral with the cap (4) and folded down towards the base (413) of the cap, generally tapering and converging (.alpha.) towards the said base (413).

Ce dispositif de bouchage (3) d'un récipient (B) comprend un disque d' étanchéité (2) apte à être scellé, collé ou bloqué sur le bord (12) du goulot (1) du récipient (B) en faisant saillie radialement à l'extérieur du goulot. Il comprend également un bouchon (4) apte à être monté sur le goulot (1) et pourvu d'un relief interne permettant d'exercer sur le disque d' étanchéité (2) un effort de poussée dans un sens d' écartement du disque (2) par rapport au goulot (1). Ce relief interne est formé par une languette (412) monobloc avec le bouchon (4) et rabattue en direction du fond (413) du bouchon, en configuration globalement tronconique et convergente ( .alpha. ) vers ce fond (413).

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