| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vessel which prevents a content of the vessel from being oxidized during both storage and usage by preventing air from penetrating into the vessel. <P>SOLUTION: The vessel has: a bellow part 102 mounted on a wall surface of the vessel and having an extensible and shrinkable bellow structure, a nozzle 103 for spouting the content of the vessel; and a cock 104 with a check valve mounted in the nozzle 103 to limit a flowing direction of a fluid flowing through the nozzle 103 in one direction. <P>COPYRIGHT: (C)2007,JPO&INPIT |
