| 摘要 |
<p>A tap for a container of liquid comprising a hollow body with an air flow passageway 36 and a liquid flow passageway 34, the passageways being at least partly separated, and a valve system 20 operated by a push button 16 for controlling the flow of air and liquid. The valve system may include a valve seat 24, an element 21 and a stem (22, fig 1). The valve seat may be at the liquid outlet (71, fig 6), or may be at the liquid inlet 10. The tap may include guide sleeves 26, (44, fig 4) to prevent liquid access to the push button.</p> |
