| 摘要 |
A bottle assembly including a bottle having an opening for receiving a fluid, a closure for closing the opening, the closure having a fluid outlet to enable egress of the fluid from the bottle, and a vent device, the vent device comprising a one-way valve, a vent path being defined by the one way valve from the exterior to the interior of the bottle different from the fluid outlet, whereby the vent path permits air to vent into the bottle on creation of a partial vacuum as a result of the fluid passing to the exterior of the bottle via the fluid outlet. Another aspect of the present invention relates to a vent device for a bottle, the vent device comprising a vent aperture and a one-way valve in fluid communication with the vent aperture, a vent path being defined by the vent aperture (FIG. 1 )
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