| 摘要 |
PROBLEM TO BE SOLVED: To provide a delivery tool for liquid which prevents the liquid from falling in drops even when the pressing actions are continuously executed. SOLUTION: In this delivery tool a liquid is held in a container 1 increasing or decreasing the volume and a valve seat 2a and a valve stem 3 in which a valve part gets in elastically and repellently contact with the valve seat, are arranged at the front end opening. The valve stem 3 is extended to the rear part in the container 1. The valve stem 3 is moved forward and the container is deformed by pressing the rear end of the container. In this way, the valve is opened to deliver the liquid. The second valve part 8a is provided at the middle part of the valve stem 3 to close the valve by moving forward the valve stem 3. |
