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    • 1. 发明授权
    • Ink container, inkjet printing apparatus and ink supplying method
    • 墨水容器,喷墨打印装置和墨水供应方法
    • US06948803B2
    • 2005-09-27
    • US10632329
    • 2003-08-01
    • Masahito YoshidaNaoji OtsukaHiroyuki InoueTakashi NojimaHitoshi SugimotoShusuke InamuraYasufumi TanaamiTakeshi IwasakiNoriko SatoYasuyuki HiraiTakeshi Yazawa
    • Masahito YoshidaNaoji OtsukaHiroyuki InoueTakashi NojimaHitoshi SugimotoShusuke InamuraYasufumi TanaamiTakeshi IwasakiNoriko SatoYasuyuki HiraiTakeshi Yazawa
    • B41J2/175
    • B41J2/17556B41J2/175B41J2/17509B41J2/17513
    • For eliminating waste of ink and achieving high charging efficiency with a reduced charging time where a printing head is equipped with a second tank for reserving a predetermined amount of ink and a supply system is configured to supply ink from a first tank to the second tank intermittently, the second tank is provided with a variable internal volume. The internal volume is varied to cause the second tank itself to function as an actuator for charging ink and performing a venting process. Specifically, the internal volume is forcibly reduced to cause a reverse flow of a gas residing in the second tank along with ink into the first tank, which makes it possible to generate of waste ink that is released to the outside. A normal charging operation can be completed simply by causing a change in the opposite direction (the direction of increasing the internal volume). Relatedly, the second tank may be provided with a member for holding ink and generating a negative pressure originating from an elastic force. With connection of the first tank and the member, the pressure in the second tank is reduced to cause the member to expand, thereby introducing ink into the same. This introduction is stopped by regulating the expansion with a displaceable unit which expands when the pressure is reduced. The regulation is performed at such a position that the negative pressure generated in the member by canceling regulation is in equilibrium with an ink meniscus-holding ability of the printing head.
    • 为了消除墨水的浪费并且在减少充电时间的情况下实现高的充电效率,其中打印头配备有用于保留预定量的墨水的第二罐,并且供应系统被配置为间歇地将墨水从第一罐供应到第二罐 ,第二罐具有可变的内部容积。 内部容积变化,使得第二罐本身用作用于对油墨进行充气并执行排气过程的致动器。 具体地说,内部体积被强制地减少,导致第二罐中存在的气体与油墨一起反向流入第一罐,这使得可以产生释放到外部的废墨。 可以简单地通过使相反方向(内部容积增加的方向)发生变化来完成正常的充电操作。 相关地,第二罐可以设置有用于保持油墨并产生源自弹性力的负压的构件。 通过第一罐和构件的连接,第二罐中的压力减小,使构件膨胀,从而将油墨引入其中。 通过用可移位单元调节膨胀来停止该介绍,当压力降低时,该位移膨胀。 在通过取消调节而在构件中产生的负压与打印头的墨水弯月面保持能力平衡的位置进行调节。