Self-refrigerating packaging and associated actuation device

Details Self-refrigerating packaging and associated actuation device Self-refrigerating packaging and associated actuation device

F - Mech Eng,Light,Heat,Weapons

25

B

F25B 17/08 (2006.01) F25D 31/00 (2006.01)

Patent

CA 2477185

The invention relates to self-refrigerating beverage packaging comprising: a first cavity (10) which contains a beverage; a second cavity (20) which forms a heat exchanger and which contains a refrigerating liquid and the vapour thereof; a third cavity (30) which contains means for the adsorption pumping of said vapour and means of connecting (40) the second cavity with the third cavity. The inventive packaging is characterised in that the second and third cavities are provided with a common wall (25) comprising the built-in connection means, and in that said connection means (40) comprise a check valve (42) which can withstand pressure exerted on the side of the second cavity and which opens under the effect of a force exerted on the side of the third cavity.

Emballage de boisson auto-réfrigérant comprenant une première cavité (10) contentant une boisson de consommation, une seconde cavité (20) formant un échangeur thermique et contenant un liquide réfrigérant et sa vapeur, une troisième cavité (30) contenant des moyens de pompage par adsorption de ladite vapeur et des moyens de mise en communication (40) de ladite seconde cavité avec ladite troisième cavité, caractérisé en ce que les seconde et troisième cavités présentent une paroi commune (25) intégrant les moyens de mise en communication, et en ce que lesdits moyens de mises en communication (40) sont constitués par un clapet anti-retour (42) apte à résister à la pression exercée du côté de la seconde cavité et s'ouvrant par action d'une force exercée du côté de la troisième cavité.

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