| 摘要 |
PURPOSE: A stopper for a container having a neck, including a body, which fixed to be sealed up in the neck of the container, formed with at least one passage for emptying the container, containing a blocking valve for blocking the passage is provided. CONSTITUTION: A stopper includes a cylinder-shaped part(1a) formed to combine with the neck(2a) of a container(2) and a groove part(3) extended on a part of the outer circumference of the cylinder-shaped part. Herein, two separated channels(4,5) are extended on the cylinder-shaped part of the stopper and opened into the groove through the mutually separated orifices(4a,5a) in the outer circumferential direction of the groove. In addition, the diaphragm(6) of an elastomer material is equalized with the shape of the groove and the cylinder-shaped part so as to cover the orifices of the two channels.
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