INK SUPPLY DEVICE

To provide an ink discharge device having a buffer tank that can suppress air bubbles from mixing with ink.SOLUTION: An inkjet head for discharging droplets of ink and a first pump are inserted into a circulation pathway for the ink. A first buffer tank is inserted into the circulation pathway betwe...

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Bibliographische Detailangaben
1. Verfasser:	NISHIMAKI JUN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS SPRAYING OR ATOMISING IN GENERAL STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	To provide an ink discharge device having a buffer tank that can suppress air bubbles from mixing with ink.SOLUTION: An inkjet head for discharging droplets of ink and a first pump are inserted into a circulation pathway for the ink. A first buffer tank is inserted into the circulation pathway between the inkjet head and the first pump. The first buffer tank has a first inlet port and a first outlet port. Ink flows through the first inlet port into the first buffer tank, and ink in the buffer tank flows out through the first outlet port. A first opening/closing valve exhausts air in the first buffer tank to the outside from a position higher than a level of the first outlet port.SELECTED DRAWING: Figure 1 【課題】インクへの気泡の混入を抑制することが可能なバッファタンクを有するインク吐出装置を提供する。【解決手段】インクの循環経路に、インクの液滴を吐出するインクジェットヘッド及び第１のポンプが挿入されている。インクジェットヘッドと第１のポンプとの間の循環経路に第１のバッファタンクが挿入されている。第１のバッファタンクは、第１の流入口及び第１の流出口を有する。第１の流入口を通って第１のバッファタンク内にインクが流入し、バッファタンク内のインクが第１の流出口を通って流出する。第１の開閉バルブが、第１の流出口のレベルよりも高い位置から、第１のバッファタンク内の空気を外部に排出する。【選択図】図１