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    • 4. 发明授权
    • Printing roller for channel-free printing
    • 印刷滚筒,用于无通道打印
    • US6038975A
    • 2000-03-21
    • US886231
    • 1997-07-01
    • Eduard HoffmannWolfgang Prem
    • Eduard HoffmannWolfgang Prem
    • B41F13/08B41F13/10B41F27/06B41F27/10B41F30/00
    • B41F27/105
    • A printing roller for channel-free printing, in particular for a rotary offset printing machine including a roller core 1 on which a sleeve-shaped printing or transfer form 2 can be positioned. The roller includes a thin intermediate layer 7 provided at least partially between the outer surface of the roller core 1 and the inner surface of the sleeve-shaped printing or transfer form 2 for adjusting the printing or transfer form 2 on the printing roller 1, 3, 4, 6 and for securing the printing or transfer form 2 in an improved manner. The printing roller constructed according to the present invention allows a sleeve-shaped printing or transfer form to be adjusted or fitted precisely and in a stationary manner on the printing roller when slid onto the printing roller without limiting the principle on which the sleeve technique for printing is based.
    • 用于无通道印刷的印刷辊,特别是用于包括辊芯1的旋转胶版印刷机,其上可以定位有套筒形印刷或转印纸2。 辊子包括至少部分地设置在辊芯1的外表面和套筒状印刷或转印模板2的内表面之间的薄中间层7,用于调节印刷辊或印刷辊2上的印刷或转印2 ,4,6和用于以改进的方式固定打印或传送形式2。 根据本发明构造的印刷辊允许在滑动到印刷辊上时将套筒状印刷或转印形式精确地调整或以固定的方式安装在印刷辊上,而不限制用于印刷的套筒技术的原理 基于。
    • 5. 发明授权
    • Process for fabricating a sleeve shaped printing form
    • 用于制造套筒形印刷形式的方法
    • US5499580A
    • 1996-03-19
    • US333216
    • 1994-11-02
    • Eduard HoffmannJohann WinterhollerWolfgang Prem
    • Eduard HoffmannJohann WinterhollerWolfgang Prem
    • B41C1/18B41F27/06B41F27/12B41N1/16B21C37/08
    • B41C1/182Y10S101/36Y10T29/4956
    • A sleeve-shaped printing sleeve for a form cylinder of a printing machine is fabricated from a blank of metallic material by cutting the blank to a width corresponding to the form cylinder and to an intermediate length which exceeds the circumference of the intended printing form cylinder. Additionally, the blank is provided with aligning indicia in the regions between each edge of the intermediate-length blank and the corresponding edge to be defined by cutting. Thus, these regions lie outside of the printing area. The blank is bent circularly, held in exact register in a bending/welding device, and cut to the length required for the intended form cylinder by laser beam cutters. As a result of this cutting operation, two waste pieces are produced. The waste pieces are removed and the now defined plate edges forming the beginning and end of the printing form are positioned opposite one another without overlap and welded together, preferably by a laser.
    • 用于印刷机的成形滚筒的套筒形印刷套筒由金属材料坯料制成,通过将坯料切割成对应于成形滚筒的宽度和超过预定印刷滚筒圆周的中间长度。 此外,坯料在中间长度坯料的每个边缘与要通过切割限定的相应边缘之间的区域中设置有对准标记。 因此,这些区域位于打印区域之外。 坯料圆周弯曲,夹紧在弯曲/焊接装置中,并用激光束切割机切割成所需成型圆筒所需的长度。 作为这种切割操作的结果,生产了两个废料。 废料被去除,并且形成打印形式的开始和结束的现在限定的板边缘彼此相对地定位而不重叠并优选地通过激光焊接在一起。