| 摘要 |
<p>In order to suppress resistance during discharge of a liquid from a container, and, when stopping discharge of the liquid, in order to keep air from penetrating into the container and to stop the dripping phenomenon, this check valve is provided with an elastic protruding body (2) which having an opening and closing part (5) for discharging the liquid, a movable film (3) which is connected to the protruding body (2) and is displaced in accordance with the change in pressure during liquid discharge operations from the opening and closing part (5), and a movable film support body (4) which displaceably supports the movable film (3) in a prescribed position of the liquid discharge part (11) of the flexible liquid container, wherein the liquid (20) retained in the liquid discharge part (11) during discharge of the liquid from the flexible liquid container is drawn towards said check valve (1) by the movable film (3) moving back to the initial state after liquid discharge.</p> |
