Container with at least one vacuum chamber with an access...

B - Operations – Transporting – 65 – D

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Details

B65D 81/20 (2006.01) B65D 85/72 (2006.01) F25B 17/08 (2006.01) F25D 31/00 (2006.01)

Patent

CA 2477410

Container with at least one vacuum chamber with an access opening, especially a beverage container with a self-cooling device having a vacuum chamber, such as a beer barrel or the like, the access opening of which is closed off by a closing mechanism after the vacuum is produced, a chamber being provided, which is downstream from the access opening and in which a valve element is disposed, which is opened during the generation of the vacuum and closed after the vacuum is generated, which chamber is filled with a medium containing an element or compound capable of diffusing, which diffuses if the chamber and, with that, the vacuum chamber is not closed off tightly, through the access opening.

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