| 摘要 |
<p>A flow control device for controlling the rate of flow liquid is disclosed, which is provided with a roller (13) mounted for movement along a liquid supply tube insertion channel (18) so that the roller (13) gradually approaches the bottom (18a) of the channel (18) to squeeze the tube (19) as it moves toward one end of the channel (18), and urging means (20a, 20b) for urging opposite edges of the liquid supply tube (19) inserted in the channel (18) and extending in the longitudinal direction of the liquid supply tube (19).</p> |
