| 摘要 |
<p>A fluid dispenser comprising a variable-volume container (1) storing a liquid, and a valve rod (4) having in an opening at a tip end of the container (1) a valve seat portion (3a) and a first valve portion (8a) adapted to resiliently abut against the valve seat portion (3a), said valve rod (4) extending rearward in the container (1) so as to push a rear end of the container (1) to thereby advance the valve rod (4) and deform the container, thereby opening a valve to permit the liquid to be discharged. A second valve portion (9a) for closing the valve upon advancement of the valve rod (4) is provided intermediate the valve rod.</p> |
