| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve unit and a container which can be easily assembled, can be manufactured at low costs, can be easily reutilized and can block a solution from leaking even when fallen. SOLUTION: In the valve unit which is inserted into a container body Y and sucks out a solution in the container to the outside, a suck-in pipe 27 to be inserted into the container body Y is provided, a bellows 28 of a snake belly shape which can return in an expanding direction is communicating- connected with an upper part of the suck-in pipe 27, a suck-in pipe 21 is communicating-connected with an upper part of the bellows 28, a valve B for admitting only flow-in of the solution in the bellows 28 is provided on an upstream of the bellows 28, a check valve G for admitting only flow-out of the solution to a side of the suck-out pipe 21 from the inside of the bellows 28 is provided on a downstream of the bellows 28 and a slit plate 39 provided with a slit S is provided on a downstream of the check valve G. |
