| 摘要 |
PURPOSE: A container stopper is provided to resolve inconvenience of detachable valve by attaching to inner pipe and prevent inflow of moisture during keeping. CONSTITUTION: A container stopper comprises end plate coupling screw, detachable valve screw(422), and concave-convex(425,217). The end plate coupling screw is formed at outer side of lower end of the end plate in an opening member(300). The detachable valve screw is formed inside the vertical wall(411) of the detachable valve to provide coupling torque by screwing. The concave-convex supports upper end of vertical wall and lower end of inner pipe.
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