| 摘要 |
<p>The invention relates to a closure (20) for a fluid dispenser (10) comprising a cap (40) with attachment means (80) for attaching the cap (40) to the fluid dispenser (10), dispensing means (30) for dispensing a liquid from the fluid dispenser (10), and ventilating means (120) for ventilating the fluid dispenser (10), said ventilating means (120) containing a liquid-impermeable but gas-permeable functional layer (140), and sealing means (60) for sealing the dispensing means (30) and the ventilating means (120) from atmosphere, wherein said sealing means (60) is adapted to swivel around an axis (70) through the closure (20) such that in a first position the ventilating means (120) and the dispensing means (30) are sealed, in a second position the dispensing means (30) is sealed but the ventilating means (120) is open to atmosphere and in a third position the dispensing means (30) and the ventilating means (120) are open to atmosphere. Preferably the functional layer (140) is made of expanded PTFE. The fluid dispenser (10) is particularly suitable as a drinking bottle for cyclists.</p> |
