| 摘要 |
[Problem to be Solved] Provided is a check valve and a container with a check valve which can effectively prevent sucking of the outside air and dripping of contents, and also can freely adjust a pouring amount or a pouring speed of the contents. [Solution] A check valve 1 according to one embodiment includes a housing member 10 inside which a fluid passage is formed, and a valve member 20 disposed inside the housing member 10. A valve seat part 11 is provided on an inner circumference surface of the housing member 10, the valve member 20 includes a valve disk 21 seated in a sealable manner on a seat surface 11a of the valve seat part 11, a pressing member 22 supported with the housing member 10 and pressing the valve disk 21 on the seat surface 11a of the valve seat part 11, and a valve driving member 23 connected to the valve disk 21 and driving the valve disk 21 against pressing force of the pressing member 22, and an operating member 30 configured to be capable of operating the valve driving member 23 such that the valve disk 21 of the valve member 20 moves apart from the seat surface 11 a of the valve seat part 11 is provided. |
