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    • 3. 发明授权
    • Ink-jet printing device
    • 喷墨打印装置
    • US4536776A
    • 1985-08-20
    • US431279
    • 1982-09-30
    • Franco KnirschGiovanni GianoliniGian D. DagnaMario Buat
    • Franco KnirschGiovanni GianoliniGian D. DagnaMario Buat
    • B41J2/06B41J2/175B41J2/21C09D11/00G01D15/18
    • C09D11/38B41J2/06B41J2/175
    • The device comprises a plurality of ink reservoirs, each connected to a number of nozzles (22) equidistant along a corresponding row. The nozzles connected to the various reservoirs are spaced apart vertically by at least one line space. The device can be used for printing different lines in parallel, moreover subdividing the length of the line, or for printing different zones of the sheet in facsimile. The ink is kept in circulation between the reservoirs and the nozzles by a common peristaltic pump which acts by a series of actuating elements on the discharge ducts for the inks in the reservoirs. The reservoirs may contain inks of different colors to permit printing in different colors or polychrome facsimile printing by additive or subtractive synthesis of the colors. The ink is conductive and is kept at earth potential, while electrodes (23) disposed outside the corresponding nozzles (22) are energized selectively to produce sprays of particles of ink from the nozzles. The ink contains a mixture of a dye of direct or solvent or acid type with a solution of water, electrolytic compounds, moistening agents, thickeners, preserving agents and antifoaming agent. The ink is prepared by mixing the compounds under agitation, then mixing in the dye until a predetermined acidity is obtained and finally filtering it and sealing it in the pack in the absence of air.
    • 该装置包括多个墨水储存器,每个墨水容器连接到沿着相应行等距离的多个喷嘴(22)。 连接到各个储存器的喷嘴沿垂直方向间隔至少一个线空间。 该装置可以用于平行地印刷不同的线,而且还可以划分线的长度,或者以传真方式印刷片的不同区域。 墨水通过普通的蠕动泵保持在储存器和喷嘴之间的循环中,该蠕动泵由用于储存器中的油墨的排放管道上的一系列致动元件起作用。 储存器可以包含不同颜色的油墨,以允许通过添加或减色合成颜色以不同颜色或多色传真打印印刷。 油墨是导电的并且保持在地电位,而设置在对应喷嘴(22)外部的电极(23)被选择性地激励以从喷嘴产生喷墨颗粒。 油墨含有直接或溶剂或酸型染料与水,电解化合物,润湿剂,增稠剂,防腐剂和消泡剂的溶液的混合物。 通过在搅拌下混合化合物,然后在染料中混合直到获得预定的酸度并最终过滤并在没有空气的情况下将其密封在包装中来制备油墨。