Cap

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 41/34 (2006.01)

Patent

CA 2144857

A cap according to the present invention is to be fixed to a cylindrical neck of a vessel and is provided with a pilfer-proof packaging mechanism which can definitely verify whether the cap has not been opened yet or has been opened. The cap comprises a resin cap body formed in a cylindrical shape with a top and a resin pilfer-proof ring which is fixed to a bottom portion of the cap body so as to be exposed from the cap body. If the pilfer-proof ring is still formed in an annular shape after opening the cap, it is possible to mistake it for that the cap has not opened yet. As for the cap according to the present invention, the pilfer-proof ring is cut at a portion to be a spiral-like strip during opening the cap.

Bouchon destiné à être monté sur le goulot d'un récipient et doté d'un mécanisme de garantie permettant de distinguer sans ambiguïté un bouchon déjà dévissé d'un bouchon non encore dévissé. Le bouchon est composé d'un corps principal tubulaire en résine à extrémité supérieure fermée, et d'une bague d'arrachage en résine fixée à la partie inférieure du corps principal de sorte qu'elle est visible. Une bague d'arrachage qui conserverait sa forme annulaire même après le dévissage du bouchon pourrait donner à coire que le bouchon n'a toujours pas été dévissé. Dans le cas du bouchon précité, la bague d'arrachage est sectionnée, après le dévissage du bouchon, et au niveau d'une partie de sa longueur, de manière à former une seule pièce de forme spiralée.

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