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    • 1. 发明公开
      EP0845355A1 ELECTRO-COAGULATION PRINTING APPARATUS 失效
    • ELECTRO-COAGULATION PRINTING APPARATUS
    • VORRICHTUNG ZUM DRUCKEN MITTELS ELEKTROKOAGULATION
    • EP0845355A1
    • 1998-06-03
    • EP97924377.1
    • 1997-06-10
    • TOYO INK MANUFACTURING CO., LTD.
    • CASTEGNIER, Adrien , LEPINE, Normand , GADBOIS, Gilles , LAPLANTE, Christian
    • B41J2/005
    • B41J2/005
    • An electrocoagulation printing apparatus comprises a positive cylindrical electrode having a central longitudinal axis extending horizontally and a positive electrode active surface, the positive electrode being formed of an electrolytically inert metal; a drive mechanism for rotating the positive electrode about the longitudinal axis thereof at a substantially constant speed; a coating device for coating the positive electrode active surface with an oily substance to form on the surface micro-droplets of oily substance; and a printing head for forming on the oily substance-coated positive electrode active surface a plurality of dots of colored, coagulated colloid by electrocoagulation of an electrolytically coagulable colloid in the presence of a coloring agent, the dots of colored, coagulated colloid being representative of a desired image. The apparatus of the invention further comprises a transfer device for bringing a substrate into contact with the dots of colored, coagulated colloid to cause transfer of the colored, coagulated colloid from the positive electrode active surface onto the substrate and thereby imprint the substrate with the image; and a cleaning device for cleaning the positive electrode active surface to remove therefrom any remaining coagulated colloid, the cleaning device being disposed under the positive electrode and below the coating device. Such an apparatus is capable of printing images of high definition.
    • 一种电凝式印刷装置，其特征在于，包括具有水平延伸的中心纵轴和正极活性面的正圆柱形电极，所述正极由电解惰性金属形成; 驱动机构，用于以基本恒定的速度绕其纵轴旋转正极; 涂布装置，其用油性物质涂布正极活性表面，以在表面上形成油性物质微滴; 以及用于在着色剂存在下通过电解凝结胶体电凝，在油性物质涂覆的正极活性物表面上形成多个有色凝结胶体点的印刷头，着色凝固胶体的点代表 所需图像。 本发明的装置还包括用于使基底与着色的凝结胶体的点接触的转印装置，以使着色的凝结胶体从正电极活性表面转移到基底上，从而用图像印刷基底 ; 以及用于清洁正极活性表面以除去其中任何剩余的凝结胶体的清洁装置，该清洁装置设置在正极下方和涂覆装置下方。 这样的装置能够打印高分辨率的图像。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 2. 发明授权
      EP0845355B1 ELECTRO-COAGULATION PRINTING APPARATUS 失效
    • ELECTRO-COAGULATION PRINTING APPARATUS
    • 设备中由电PRINT
    • EP0845355B1
    • 2002-04-17
    • EP97924377.1
    • 1997-06-10
    • TOYO INK MANUFACTURING CO., LTD.
    • CASTEGNIER, Adrien , LEPINE, Normand , GADBOIS, Gilles , LAPLANTE, Christian
    • B41J2/005
    • B41J2/005
    • An electro-coagulation printing apparatus comprises a print head including a drive mechanism having a columnar-shaped anode, which has a horizontally extending, central longitudinal shaft and an anode active surface and is formed by an electro-chemically inactive metal, the drive mechanism serving to revolve the anode about the longitudinal shaft of the anode at substantially constant speed, and a coating device for coating the anode active surface with an oily substance to form micro liquid droplets of the oily substance on the surface, the print head permitting electro-coagulation of colloid, which contains a coloring agent and coagulates electrolytically, to form dots of the coloring coagulation coloid representative of a desired image on the anode active surface coated with the oily substance. The apparatus of the invention further comprises a transfer device for contacting a substrate with dots of the coloring coagulation colloid to transfer the coloring coagulation colloid to the substrate from the anode active surface to thereby print an image on the substrate, and a cleaning device for cleaning the anode active surface to remove the remaining coagulated colloid, the cleaning device being disposed below the anode and the coating device. Such apparatus can print an image of high resolution.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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