| 摘要 |
PROBLEM TO BE SOLVED: To provide a barrel of a drink, capable of extracting contents such as beer with an air pressure without using a carbon dioxide gas. SOLUTION: An outer cylinder capable of withstanding pressure is formed out of an upper outer cylinder 4 and a lower outer cylinder 9. An inner container 3 containing beer or the like is put into the outer cylinder, and air is introduced through a valve for air, which is operated by single manipulation and which is provided in the lower outer cylinder 9, thereby extracting the contents such as beer from an upper part of the inner container.
|
