| 摘要 |
PURPOSE: Provided are bottle cap and vessel to protect raw material or additive from hazardous gas on sealing up the container having the raw material or additive by coupling a first and a second cap with each other, to make a very rapid production possible, and to make the opening of the cap simple and clear. CONSTITUTION: The bottle cap(100) has a lower and upper cap(10,20) and a container of additive and gas, and separately stores more than two contents in one vessel, and the vessel(200) has a hook(40) formed on its inside wall and is threaded-connected with the lower cap(20) whose inner part has a raw material container and which is also threaded-connected with the upper cap(10) to seal the raw material container, wherein the hook and the hole(31) of the projection is coupled when opening the bottle cap(100), and then an airtight membrane is cut along the cut line thereof.
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