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    • 2. 发明申请
    • METHOD OF MANUFACTURING ROTOGRAVURE CYLINDERS
    • 制造ROTOGRAVURE CYLINDERS的方法
    • US20160200089A1
    • 2016-07-14
    • US14912648
    • 2013-08-29
    • PARAMOUNT INTERNATIONAL SERVICES LTD
    • Ioannis IOANNOU
    • B41F3/54B41C1/00
    • B41F3/54B41C1/00B41C1/02B41C1/05B41C1/18B41N1/06B41N1/12B41N1/20
    • The present invention describes a method for manufacturing rotogravure cylinders with a cylinder base made of aluminum and a single metallic layer on the cylinder surface. The method comprises the construction of the cylinder base, the deposition of the metallic layer on the cylinder surface, the thinning of the cylinder to achieve the required dimensions, the polishing of the cylinder surface and finally the etching of the cylinder with the desired printing pattern. The metallic layer can be any copper alloy that will produce a surface with a Vickers hardness of about 400 HV. The metallic layer is deposited onto the cylinder base using any thermal spraying method. The cylinder surface is then thinned and polished by using any conventional method. Finally, the cylinder is etched to provide a superb cylinder for the printing industry.
    • 本发明描述了一种用于制造具有由铝制成的圆柱体和圆筒表面上的单个金属层的轮转凹版滚筒的方法。 该方法包括气缸底座的构造,气缸表面上的金属层的沉积,圆筒的变薄以达到所需的尺寸,圆柱体表面的抛光以及最终利用期望的印刷图案蚀刻气缸 。 金属层可以是将产生维氏硬度为约400HV的表面的任何铜合金。 使用任何热喷涂方法将金属层沉积到圆筒基底上。 然后通过使用任何常规方法使圆筒表面变薄和抛光。 最后,圆筒被蚀刻以为印刷行业提供一流的圆柱体。
    • 4. 发明授权
    • Process for refurbishing cylinder rolls and bases for printing machines
    • 滚筒滚筒和印刷机底座的翻新工艺
    • US08443516B2
    • 2013-05-21
    • US12839744
    • 2010-07-20
    • Raghbir BhullarNitin PadhyeDavid R. Campbell
    • Raghbir BhullarNitin PadhyeDavid R. Campbell
    • G03C5/00
    • B41F13/11B41C1/18B41N1/20B41N3/003B41N7/005B41N2207/02B41N2207/04B41N2207/14Y10T29/49545Y10T29/4956Y10T29/49563
    • The present invention relates to a refurbished cylinder roller and a process for refurbishing cylinder rollers for use in printing machines. More particularly, the present invention also relates to a process for refurbishing metallic gravure cylinder rollers by replacing the worn outer plating layers with an extruded and thermally cured electrically conductive polymer material, and thereafter electroplating new outer plating layers thereon, the new plating layers including a new printing image formed therein. The present invention also relates to a refurbished gravure cylinder roller which includes a core member extending along an axial length, an image-carrying layer having a printing image formed therein and arranged circumferentially about the core member, and an electrically conductive intermediate polymer layer arranged between the core member and the image-carrying layer, where the intermediate polymer material has a conductivity selected to permit electro-plating of the image-carrying layer directly thereon.
    • 本发明涉及一种翻新的圆筒滚子和用于翻新用于印刷机的滚筒滚筒的方法。 更具体地说,本发明还涉及一种通过用挤出和热固化的导电聚合物材料替换磨损的外镀层,然后在其上电镀新的外镀层来翻新金属凹版滚筒辊的方法,所述新镀层包括 在其中形成新的印刷图像。 本发明还涉及一种翻新的凹版滚筒辊,其包括沿轴向长度延伸的芯部件,具有形成在其中并且围绕芯部件周向布置的印刷图像的图像承载层,以及布置在 核心部件和图像承载层,其中中间聚合物材料具有选择的电导率,以允许图像承载层直接在其上电镀。