| 摘要 |
PROBLEM TO BE SOLVED: To provide an air vent structure of a container in which time required to completely remove air in a tank reduced, and a water server using the same.SOLUTION: A water server 1 is provided with an air vent structure of a container structured to supply drinking water from a bag 4 containing the water to a cold water tank 5 installed below the bag 4 and a hot water tank 6 installed below the cold water tank 5 sequentially. The air vent structure is provided with a communication pipe 102 which communicates a vicinity of a top of the cold water tank 5 and the inside of the hot water tank 6 with the tip end of the pipe laid downward, and a discharge pipe 63 which discharges, from the vicinity of the top of the hot water tank 6, air or drinking water discharged into the hot water tank 6 from the cold water tank 5 through the communication pipe 102 when the drinking water is supplied from the bag 4 to the cold water tank 5 through a needle 8 by thrusting the needle 8 into the bag 4 in the condition where the bag 4 is set at a predetermined position. |
