| 摘要 |
Provided is a straw for compressed air capable of spraying without leaking of compressed air by replacing existing safe valve with vinyl bag. A vinyl bag(304) is installed on an inner portion of a pressure container which stores a crude liquid and compressed air for spraying the crude liquid without leaking the compressed air. A disk support(307) minimizes motion of the vinyl bag. A residual amount and block prevention fixing member(305) is installed on the inner portion of the pressure container for minimizing the residual amount of the liquid and for preventing a passage of the liquid from being blocked. The vinyl bag is made of a material, consisting of a thin thickness and tough material, for minimizing an inner space by deflating a volume of the vinyl bag according to discharge of the crude liquid.
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