| 摘要 |
<p>The vertical drip for a bottle has a central spout (8) which projects into the discharge opening for the liquid. This spout is provided with capillary channels (7', (7") formed on its circumference and parallel to its axis. The end of the spout is formed into a truncated cone (24) and the capillaries are provided only on the cylindrical part (25) of the spout. The air entry channel (2) tapers conically at its lower tip (23). A valve is arranged in the air entry channel and its plunger seals the opening when the cap (15) is screwed onto the bottle (14) and opens it when the cap is released.</p> |
