| 摘要 |
PROBLEM TO BE SOLVED: To provide a plug which has a simple structure, whose dimension accuracy is not so strict, and inexpensive.SOLUTION: A plug 100 is attached to a container, and the plug comprises an outer cylinder member 1 and an inner cylinder member 2 which is stored in the outer cylinder member slidably in an axial direction. The outer cylinder member comprises at one end side, an attachment part 11 to be attached to the container, and the inner cylinder member comprises an umbrella rib-state part 21 which is opened like an umbrella rib state on an opposite side of the container, comprises on the container side, open holes 24 on a peripheral surface, and further comprises a press part 25 which is pressed by a nozzle, the nozzle made pass through the inner cylinder member from the umbrella rib-state part side.SELECTED DRAWING: Figure 3 |
