B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/32 (2006.01) B65D 25/08 (2006.01) B65D 79/00 (2006.01)
Patent
CA 2149631
A sealed, openable liquid container, e.g., for a beverage such as beer, comprises a container partly filled with liquid to provide a primary headspace. Secured to the base of the container by means of adhesive is an insert in the form of a hollow body having an upper restricted orifice and a lower restricted orifice therein. The hollow body is partly filled with liquid derived from the main body of the container so that a secondary headspace is provided. The upper restricted orifice communicates with the headspace, whilst the restricted orifice is submerged in the liquid. The upper restricted orifice is of a size such that the bubble point effect prevents loss of gas from the headspace into the liquid until a large pressure differential occurs across the orifice when the container is opened by means of tab.
Récipient pour liquide, par exemple de la bière, scellé et ouvrable, constitué d'un récipient (10) partiellement rempli de liquide (24) et renfermant donc un espace libre primaire (26) dans sa partie supérieure. Un insert (14) est fixé à la base du récipient (10) à l'aide d'un adhésif (16), cet insert est en forme de coprs creux (18) et il possède un orifice restreint supérieur (20) et un orifice restreint inférieur (22). Le corps creux (18) est partiellement rempli de liquide venant du corps principal du récipient (10), il renferme donc également un espace libre secondaire (23) dans sa partie supérieure. L'orifice supérieur restreint (20) communique avec l'espace libre (23), tandis que l'orifice inférieur restreint (22) est noyé dans le liquide. L'orifice supérieur restreint (20) possède une taille telle que l'effet de point de bulle empèche tout passage de gaz de l'espace (23) vers le liquide (24), tant qu'une pression différentielle importante n'est pas créée au niveau de l'orifice (20), lors de l'ouverture du récipient (10) à l'aide de la languette (30).
Anderson Iain Wallace
Baxter William Ronald Stuart
Edgson Raymond Anthony
Coors European Properties Gmbh
Marks & Clerk
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