| 摘要 |
<p>An apparatus for supplying gas to a liquid in a container (2) having a gas pipe (6) discharging thereinto, the apparatus being particularly intended for preparing aerated beverages. The container comprises an orifice (8) for introducing liquid into the container, an orifice (19) for emptying liquid therefrom, and a gas-venting orifice (13). From a security point of view the apparatus is provided with means preventing a gas pressure to be built up in the container (2) unless it is filled with liquid to a given level.</p> |
