| 摘要 |
<p>A valve for a bottle or a bottle cap comprises a fluid delivery tube (16) having an inlet and an outlet, the tube being moveable between a first position where fluid cannot enter the tube and a second position where fluid can enter the tube and means (26) for urging the tube to the first position, wherein the tube is moveable to said second position by means of force applied in opposition to said urging means.</p> |
