| 摘要 |
<p>A bottle assembly 10 e.g. baby bottle comprises a closure for closing the opening, the closure having a fluid outlet 14 to enable egress of the fluid from the bottle 12, and a vent device 18, the vent device 18 comprising a one-way valve 50, a vent path 40 being defined by the one-way valve 50 from the exterior to the interior of the bottle 10 different from the fluid outlet 14, whereby the vent path 40 permits air to vent into the bottle 10 on creation of a partial vacuum as a result of the fluid passing to the exterior of the bottle via the fluid outlet 12. Another aspect of the present invention relates to a vent device 18 for the bottle 10, the vent device comprising a vent aperture 44 and a one-way valve in fluid communication with the vent aperture, a vent path 40 being defined by the vent aperture.</p> |
