| 摘要 |
PURPOSE: To obtain a container mouth structure which easily delivers a contained liquid by the application of pressure to a container, seals the contained liquid in it by the removal of the pressure exerted on the container and, in addition, is a simple structure. CONSTITUTION: A container is provided with an upper shutoff sheet 4 and a lower shutoff sheet 3 which seal the mouth of the container. The lower shutoff sheet 3 and upper shutoff sheet 4 are bonded together so that the liquid which the container contains is allowed to pass through them. An opening 9 for introducing the contained liquid is made in the lower shutoff sheet 3, and a discharge opening 10 for delivering the contained liquid passing through the passage is made in the upper shutoff sheet 4. |
