| 摘要 |
PURPOSE:To facilitate the fine adjustment of jet volume and keep a required jet volume constant for a long time and further, prevent the fatigue resulting from a long jetting operation. CONSTITUTION:A jet volume adjuster of a liquid jet device is constituted of an additional press means 13 to adjust the jet volume from a jet nozzle 12 by the adjustment of the pressing volume pressing a discharge pipe 3 and holding means 18, 19 keeping the additional pressing means 13 at a selected adjustment position. |
