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8 条记录 (耗时 0.016 秒)

    INK SET, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS
    1.
    发明公开
    INK SET, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 有权
    喷墨装置，图像形成方法和图像形成装置

    公开(公告)号：EP3159383A1

    公开(公告)日：2017-04-26

    申请号：EP16190631.8

    申请日：2016-09-26

    申请人： Ricoh Company, Ltd.

    发明人： SAGARA, Amika ,  NAMBA, Michihiko ,  TAKAHASHI, Hiroaki ,  MASUDA, Kiminori

    IPC分类号： C09D11/10 ,  C09D11/326 ,  C09D11/40

    CPC分类号： C09D11/102 ,  B41J2/01 ,  C09D11/037 ,  C09D11/10 ,  C09D11/322 ,  C09D11/324 ,  C09D11/326 ,  C09D11/38 ,  C09D11/40

    摘要： An ink set includes an ink A including water, an organic solvent A, a self-dispersible pigment, an anionic resin particle, and an amine compound having a boiling point of 120 degrees C - 200 degrees C and an ink B including water, an organic solvent B, and a resin-coated pigment, characterized in that when the mass content of the amine compound is determined as 1, the mass content of the anionic resin particle is 1 - 100 and the mass content of the resin-coated pigment is 10 - 200, while the mass content of the anionic resin particle and the mass content of the resin-coated pigment are respectively based on the content per unit of mass of the ink A and the content per unit of mass of the ink B.

    摘要翻译： 油墨组包括包含水，有机溶剂A，自分散颜料，阴离子树脂颗粒和沸点为120℃-200℃的胺化合物的油墨A和包含水的油墨B， 有机溶剂B和树脂涂覆颜料，其特征在于，当胺化合物的质量含量确定为1时，阴离子树脂颗粒的质量含量为1-100，并且树脂涂覆颜料的质量含量为 10-200，而阴离子树脂颗粒的质量含量和树脂涂覆的颜料的质量含量分别基于油墨A的每单位质量的含量和油墨B的每单位质量的含量。

    INKJET PRINTING DEVICE AND INKJET PRINTING METHOD
    6.
    发明公开
    INKJET PRINTING DEVICE AND INKJET PRINTING METHOD 审中-公开

    公开(公告)号：EP3736137A1

    公开(公告)日：2020-11-11

    申请号：EP20173053.8

    申请日：2020-05-05

    申请人： Ricoh Company, Ltd.

    发明人： TAKAHASHI, Hiroaki ,  MASUDA, Kiminori ,  AKIMA, Mio

    IPC分类号： B41M7/00 ,  B41J2/21 ,  C09D11/38

    摘要： An inkjet printing device (100; 400) includes an ink containing unit to contain a clear aqueous ink containing resin, compound represented by the following Chemical formula, and water,

    where R 1 represents an alkyl group having 1 to 4 carbon atoms, a discharging head(2; 434) to discharge the clear aqueous ink to printed matter to form a layer thereon in a low gloss printing mode or high gloss printing mode, and a heating device (40; 41; 42; 43) to heat the printed matter, wherein the heating device (40; 41; 42; 43) heats the printed matter satisfying the following relationship 1: Tlgloss > Thgloss 1, where Tlgloss represents the temperature of the printed matter at a low gloss printing region in the low gloss printing mode and Thgloss represents the temperature of the printed matter in the high gloss printing mode when the clear aqueous ink is attached to the printed matter.

    INKJET RECORDING METHOD AND INKJET RECORDING DEVICE
    8.
    发明公开
    INKJET RECORDING METHOD AND INKJET RECORDING DEVICE 审中-公开
    TINTENSTRAHLAUFZEICHNUNGSVERFAHREN UND TINTENSTRAHLAUFZEICHNUNGSVORRICHTUNG

    公开(公告)号：EP3041682A1

    公开(公告)日：2016-07-13

    申请号：EP14841666.2

    申请日：2014-08-29

    申请人： Ricoh Company, Ltd.

    发明人： MASUDA, Kiminori ,  KOJIMA, Mariko ,  BANNAI, Akiko ,  TAMAI, Takashi ,  KITAOKA, Naoko ,  KOHDA, Tomohiko

    IPC分类号： B41J2/015 ,  B41J2/01

    CPC分类号： B41J2/04598 ,  B41J2/04581 ,  B41J2/04586 ,  B41J2/04588 ,  B41J2/04595 ,  B41J2/14274 ,  C09D11/40

    摘要： An inkjet recording method performed by inkjet recording device including nozzle plate with nozzle to eject droplets of ink; recording head including liquid chamber with which the nozzle is in communication, and pressure-generating unit configured to generate pressure in the liquid chamber; and signal-generating unit configured to generate signal applied to the pressure-generating unit, and allowing the droplets of ink to eject by pressure generated by the pressure-generating unit according to the signal, wherein the ink has static surface tension of 18.0mN/m to 27.0mN/m at 25°C, the ink has receding contact angle on the nozzle plate of 50° or more, the signal has two-step pull pulse for pulling the ink into the nozzle in two-step manner within one printing unit cycle, and the method includes pulling the ink located in proximity to nozzle outlet into the nozzle of the two-step pull pulse, to form meniscus at predetermined position.

    摘要翻译： 喷墨记录方法由喷墨记录装置执行，喷墨记录装置包括具有喷嘴的喷嘴板以喷射油墨; 记录头，包括与喷嘴连通的液体室;以及压力产生单元，被配置为在液体室中产生压力; 以及信号发生单元，其被配置为产生施加到所述压力发生单元的信号，并且根据所述信号使得由所述压力产生单元产生的压力喷射墨滴，其中所述墨水具有18.0mN / 在25℃下m至27.0mN / m，油墨在喷嘴板上的后退接触角为50°以上，该信号具有两步拉动脉冲，用于将墨水以两步方式拉入喷嘴内 打印单元循环，并且该方法包括将位于喷嘴出口附近的墨水拉到两步拉脉冲的喷嘴中，以在预定位置形成弯液面。