| 摘要 |
<p>A drink is carbonated with carbon dioxide in a bottle (4) with a gas inlet (2, 12) from a gas cartridge (6). The gas supply is regulated by a valve (40; 40') to limit the gas pressure in the bottle to a pre-determined level. The regulator valve (40; 40') has a pressure gauge (60, 64) and a manual pressure adjuster (54, 72). The regulator valve has a gas inlet (44, 48a) and a pressure relief outlet (70).</p> |
