Self-refrigerating packaging and associated actuation device

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

2007-05-08

2007-05-08

Ali, Mohammad M. (Department: 3744)

Refrigeration

Processes

Packaging

C062S294000

Reexamination Certificate

active

10505858

ABSTRACT:
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.

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