| 摘要 |
PROBLEM TO BE SOLVED: To provide a beverage container which prevents emission of carbon dioxide gas from into an empty space by operating a pump member to increase the pressure in the container. SOLUTION: A selection device 200 for drinking the beverage comprises a bottle plug 210 which is tightened to communicate with the opening part 110 of a storage container 100 and provided with an ejection part 212b to eject the carbon dioxide gas on an outer circumferential surface thereof, a beverage selecting and taking-out part 230 which is turnably inserted in a plug of a bottle, and integratedly rotated with a pump body 220 provided so as to pressurize the inside of the storage container 100 when moved downward and allow the outside air to flow in when moved upward, and allows the carbonated drink in the storage container to be discharged outside through a communication part and the ejection part, and a fluid guide member 240 which is inserted in an inner circumferential surface of the bottle plug, contracted to the predetermined diameter and extended, and provided with a passage through which the compressed air is discharged inside the storage container. |
