| 摘要 |
PROBLEM TO BE SOLVED: To securely separate the first chamber from the second chamber in storing, and to easily make the first chamber communicate with the second chamber with a light operation force in dosing. SOLUTION: The first chamber 2 is communicated with the second chamber 3 through a chamber connecting part 4, and an inner plug 6 is provided in a communication path 5 of the chamber connecting part 4 to close the communication between the both chambers 2 and 3. A tight plug 16 is provided at an opposite wall 12 of the first chamber 2 opposite to the inner plug 6. An interlock bar 15 is passed through the first chamber 2, one end of the interlock bar 15 is fixed to the inner plug 6, and the other end is fixed to the tight plug 16. An opening operation part 17 is fixed to the above mentioned end of the interlock bar 15, and by separating the opening operation part 17 from the communication path 5, the inner plug 6 is shifted ro the first chamber 2 to open the communication path 5. |
