| 摘要 |
A stopper change device ( 10 ) includes an airtight chamber body ( 21 ) detachably mountable on a head of a bottle, a gas supply port ( 19 ) for supplying N gas to the chamber body, an air vent valve ( 57 ) for discharging air from the chamber body, a first supporting structure ( 28 ) movable upward and downward for supporting a corkscrew, and a second supporting structure ( 34 ) movable upward and downward for containing a substitute stopper. The first and second supporting structures are mutually position changeable, and one of them is selectively placed above an opening of the bottle. When the first supporting structure ( 28 ) is placed above the opening, a bottle stopper can be pulled in N gas atmosphere. On the other hand, when the second supporting structure ( 34 ) is placed above the opening, the substitute stopper is mountable on the head of the bottle in N gas atmosphere. By changing the bottle stopper with the substitute stopper using this device, entering of air in the bottle as a cause of deterioration in a quality can be prevented.
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