Piercing container cap

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 51/22 (2006.01)

Patent

CA 2235882

A closure device for a container (4) comprising a cap (1) having a piercing member (2) and a locking sheath (3). When the cap (1) is rotated in the direction to open the container (4), the cap (1) moves first downward and then upward relative to a container (4) to which it is affixed. During the downward movement of the cap (1), the piercing member (2) causes rupture of a seal (6) on the container (4) and a means for attaching the locking sheath (3) to the inside of cap (1) affixes the sheath (3) to the cap (1) such that when the rotation of the cap (1) continues the resulting upward motion causes the removal of the cap (1) and locking sheath (3).

L'invention concerne un dispositif de fermeture pour récipients (4) comprenant un couvercle (1) doté d'un élément perforant (2) et d'un manchon de verrouillage (3). Lorsqu'il est mis en rotation dans le sens de l'ouverture du récipient (4), le couvercle (1) se déplace d'abord vers le bas, puis vers le haut, par rapport au récipient (4) auquel il est fixé. Lorsque le couvercle (1) se déplace vers le bas, l'élément perforant (2) rompt une opturation étanche (6) du récipient (4), et un système de fixation du manchon de verrouillage (3) à l'intérieur du couvercle (1) fixe ce manchon (3) sur le couvercle (1), de sorte que, lorsque la rotation du couvercle (1) se poursuit, le mouvement résultant vers le haut entraîne l'extraction simultanée du couvercle (1) et du manchon de verrouillage (3).

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