B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/34 (2006.01)
Patent
CA 2517016
A metallic pilfer-proof cap, in which the skirt of a skirt portion of a cap can be so separated by a weakening portion having horizontal slits and bridges formed alternately in the circumferential direction of the cap that the skirt may be left in a ring shape as a pilfer-proof band on the side of a container mouth. The horizontal slits formed by shearing in the transverse direction from the outside to leave the bridges are offset radially more inward of the cap at the portion above a shearing plane than at the portion below the shearing plane so that the bridges are formed on the upper side of the shearing plane of the horizontal slits. The upper end portion, as located on the lower side of the shearing plane, of the pilfer-proof band is made to have an internal diameter larger than the maximum external diameter of the annular bulging portion which is formed at the container mouth for retaining the pilfer-proof band.
L'invention concerne une capsule à vis métallique inviolable (1) formée de manière qu'une bande à vis inviolable (15) puisse conserver sa forme annulaire au niveau du goulot d'une bouteille. Le côté supérieur d'un plan de cisaillement à entailles horizontales (16) est décalé en direction radiale à l'intérieur de la capsule de manière à former une charnière (17) sur le côté supérieur du plan de cisaillement, et le diamètre intérieur de la partie d'extrémité supérieure de la bande à vis inviolable (15) est augmenté par rapport au diamètre extérieur maximal de la partie annulaire bombée (22) du goulot de la bouteille, afin d'y fixer la bande à vis inviolable (15). On peut ainsi éviter que les restes de la charnière (17) restent sur la bande à vis inviolable (15) séparée de la capsule (1), et la formation d'un vide entre la capsule (1) et la bande à vis inviolable (15) permet d'identifier immédiatement la non fermeture de la bouteille lorsque la bouteille est refermée au moyen de la capsule.
Araki Eiji
Goto Kunitosi
Matukawa Yosihiko
Borden Ladner Gervais Llp
Daiwa Can Company
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