Cap for a container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 50/04 (2006.01)

Patent

CA 2164862

A cap for a container having a screw threaded opening comprising an inner part (1) in the form of a screw threaded cap, an outer part (2), biased therefrom in a first, locking position, by means of resilient biasing means (3) located between the inner and outer parts, a projection (4) located on the inner part (1) and adapted to be received in an aperture (8) formed in the outer part (2), and a tamper-evident member (6) secured on the outer top surface of the outer part (2) such that it substantially covers the aperture (8), wherein on first removing the cap from the container the outer part (2) is moved into a second, unlocking position, against the biasing, the projection (4) being received in the aperture (8), and projecting therebeyond, such that at least a portion of the tamper-evident member (6) is ruptured.

On décrit un bouchon de récipient possédant un orifice à pas de vis comprenant une partie interne (1) en forme de bouchon équipé dudit pas de vis et une partie externe (2) coincée dans une première position bloquée, à l'aide d'un moyen de blocage résilient (3) situé ente les parties interne et externe. Le bouchon comprend également une pièce faisant saillie (4), placée sur la partie interne (1) et adaptée pour être reçue dans un trou (8) formé dans la partie externe (2), ainsi qu'un élément témoin (6) fixé sur la surface supérieure externe de la partie externe (2) et recouvrant totalement le trou (4). Lorsque l'on enlève le bouchon du récipient pour la première fois, la partie externe (2) se déplace vers une deuxième position débloquée, la pièce faisant saillie (4) vient alors se loger dans le trou (8) et le pénètre de façon à provoquer la rupture d'au moins une partie de l'élément témoin (6).

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