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    • 71. 发明授权
    • Ink jet head, ink jet apparatus and method of recoverably activating in the apparatus
    • 喷墨头,喷墨装置和在装置中可恢复启动的方法
    • US06565186B1
    • 2003-05-20
    • US08857330
    • 1997-05-16
    • Yoshifumi HattoriYoichi TosakaMineo KanekoTakayoshi Tsutsumi
    • Yoshifumi HattoriYoichi TosakaMineo KanekoTakayoshi Tsutsumi
    • B41J2165
    • B41J2/16508
    • To reduce a quantity of uselessly consumed ink when an ink jet head is recoverably activated, the capacity of an ink path communicated with a group of ejecting ports having a small flow rate coefficient is determined to be smaller than that of an ink path communicated with a group of ejecting ports having a large flow rate coefficient. While all of plural groups of, ejecting ports are fully covered with a common recovering cap with the aid of sucking means, ink is, sucked from the plural groups of ejecting ports. When the ink remaining in the region extending from the plural groups of ejecting ports to predetermined positions in a plurality of ink paths communicated with the plural groups of ejecting ports is discharged, ink discharging positions are dislocated to predetermined positions in a plurality of ink paths to positionally coincide with the predetermined positions in the substantially same timing relationship after ejection recovering treatment starts to be conducted.
    • 为了减少喷墨头可恢复启动时的无用墨水量,与一个具有小流量系数的一组喷射口相通的墨道的容量被确定为小于与一 一组具有大流量系数的排出口。 当借助于抽吸装置将所有多组喷射口完全覆盖有普通的回收盖时,从多组排出口吸入油墨。 当从多组排出口延伸的区域中的墨水排出到与多组排出口连通的多个墨水路径中的预定位置时,墨水排出位置被错位到多个墨水通路中的预定位置 在开始喷射恢复处理之后,以基本相同的定时关系与预定位置重合。