| 摘要 |
<p>A valve assembly for a container with an inner bag for receiving beverage, in particular carbonated beverage such as beer, wherein a beverage valve isprovided with a communication with the inner space of the bag and means for operation of the beverage valve by a tapping device in which the container is receivable, the beverage valve being partly surrounded by an upstanding first apron which is gas-tight, while, spaced therefrom, a second gas-tight apron is situated, and between the first and the second apron a bottom wall with at least one gas passage opening is provided which during use is in communication with the space enclosed between the inner bag and the container, such that during use between the two aprons a chamber is formed through which gas under pressure can be forced through the gas passage opening, separately from the beverage.</p> |
