Screw cap for closing a container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/38 (2006.01) B65D 41/34 (2006.01)

Patent

CA 2147092

Container closure with tamperproof seal. The cap is characterized as follows: The stop band (11) of the ring (8) has a continuous upper extreme rim (15), defining a stop perpendicular to the axis of the cap. In various places, the stop band also includes narrower areas (16) defining a plurality of sectors (17) in the band. Finally, it includes for each each sector and on its internal peripheral side relative to the said axis a rib (20) with a ridge (21) that underlies the said sector, the said ridges together defining a polygonal passage section forming a circle with a diameter less than that of the largest circle of the finish. Screw cap applications.

- Fermeture de récipient à témoin de violabilité. - La capsule est caractérisée en ce que la bande d'arrêt (11) de la bague (8) - présente un bord extrême supérieur (15) continu, définissant un plan de butée orthogonal à l'axe de la capsule, - comporte de place en place des zones (16) de plus faible épaisseur définissant dans la bande une pluralité de secteurs (17), - est pourvue, pour chaque secteur et sur sa face périphérique interne par rapport audit axe, d'une nervure (20) possédant une arête (21) qui sous-tend ledit secteur, lesdites arêtes délimitant ensemble une section de passage polygonale dont le cercle inscrit est d'un diamètre inférieur à celui du plus grand cercle du goulot. - Application aux capsules à vis.

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