Carbonated beverage container

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 25/02 (2006.01) B65D 79/00 (2006.01)

Patent

CA 2069093

When dispensing carbonated beverages, particularly beers and especially draught stout, it is desirable to obtain a close-knit creamy head. To achieve this a container (1) includes a separate closed hollow insert (5) containing substantially no oxidising gas and means (6) responsive to opening of the container (1) to provide communication between the inside of the insert (5) and beverage (7) contained in the body of the container (1) upon opening it to jet gas from the insert (5) into the beverage (7). The means (6) preferably has the form of a pressure responsive valve. The insert (5) may be arranged so that its internal pressure is increased after the container (1) is sealed er the means (6) may have a different relief pressure when initially inserted into the container (1) from that upon opening the container (1).

Pour servir des boissons gazeuses, plus particulièrement de la bière et tout spécialement de la bière à la pression, il est appréciable d'obtenir un faux col ferme et bien crémeux. On réalise ceci à l'aide d'un récipient (1) comprenant un élément rapporté séparé creux et fermé (5) ne contenant pratiquement aucun gaz oxydant et un système (6) qui, dès l'ouverture du conteneur (1), permet la communication entre l'intérieur de l'élément rapporté (5) et la boisson (7) contenue dans le corps du récipient (1) lors de l'ouverture de celui-ci pour faire jaillir dans la boisson (7) le gaz provenant de l'élément rapporté (5). De préférence, le système (6) se présente sous la forme d'une soupape réagissant à la pression. L'élément rapporté (5) peut être installé de telle sorte que sa pression interne augmente après la fermeture hermétique du récipient (1), ou encore le système (6) peut avoir lors de son introduction initiale dans le récipient (1) une pression de décharge différente de celle qui sort lors de l'ouverture du récipient (1).

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