| 摘要 |
PURPOSE:To prevent the inner pressure of a container from changing even if the environmental pressure changes by making the inside and outside of the container communicating by providing a communication system including a leading hole and an air route in the inside and outside of a container. CONSTITUTION:In a container by which a liquid and air are sprayed through a nozzle 17 via a mixing room 11, the inner diameter of a guiding cylinder part 3c1 of a cylinder 3c for air, the outer diameters of sliding seal parts 10jU, 10jL of an air piston 10, and the inner diameter of a cylinder part 3c2 for air are bigger in this order and an outer air leading hole 30G exists in the upper part of the cylinder part 3c2 and the sliding seal parts are so made that the hole is shut by the sliding seal parts at the time to lock the container and an air passing route P is formed and opened at the time not to lock it. |
