Double opening system for beverage cans

Details Double opening system for beverage cans Double opening system for beverage cans

B - Operations, Transporting

65

D

B65D 17/34 (2006.01)

Patent

CA 2740953

The lid of a beverage can has two punched segments, breaking of which forms the respective openings for allowing the liquid to flow out and the air to enter. Breaking of these punched parts is performed by pivoting upwards a main ring mounted on a rivet of the lid and, after breaking open the punched part, pushing downwards a secondary lever with cutting pressure pieces which cut into the punched parts so as to cause breakage thereof. The said secondary lever is mounted on the same rivet, having an end segment which rests against a stop of the ring in order to prevent in the rest condition the pressure pieces cutting into the punched parts. In another simpler embodiment, the secondary lever is dispensed with, so that the pressure piece is incorporated along the contour of the associated main ring.

La présente invention concerne un couvercle de boîte à boisson qui présente deux parties embouties dont la rupture forme les orifices permettant respectivement la sortie du liquide et l'entrée de l'air. La rupture de ces parties embouties est réalisée par le basculement vers le haut d'un anneau principal monté sur un rivet de la boîte et l'enfoncement vers le bas, après la rupture des parties embouties, d'un levier secondaire comportant des percuteurs coupants qui agissent sur les parties embouties pour provoquer leur rupture. Ledit levier secondaire est monté sur le même rivet et présente une partie terminale d'appui sur une butée de l'anneau pour empêcher les percuteurs se trouvant en position de repos, de pénétrer dans les parties embouties. Dans un autre mode de réalisation plus simple, il n'existe pas de levier secondaire, et le percuteur est intégré sur la périphérie de l'anneau principal lui-même.

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