| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spout enabling a sure sealing and the opening by a simple operation. <P>SOLUTION: This spout comprises a base part 2 having a passage 2a for letting the contents in a vessel pass therethrough, a valve element 3 rotationally fitted to the base part 2 and having a channel 3a connected to the passage 2a, and an attachment 4 detachably connected to the valve element 3 and the base part 2 respectively and opening/closing the passage 2a by turning the valve element 3 alone. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
