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    • 1. 发明授权
    • Printing form for a rotary relief-printing method
    • 用于旋转凸版印刷方法的印刷形式
    • US5884560A
    • 1999-03-23
    • US947672
    • 1997-10-09
    • Joachim OpitzRalf RaueJurgen ReckChristoph HarsJoachim Sonnenschein
    • Joachim OpitzRalf RaueJurgen ReckChristoph HarsJoachim Sonnenschein
    • B41F17/14B41M1/02B41N1/12G02B5/20
    • B41M1/02
    • The invention relates to a printing form for a rotary relief-printing method, in which the printing dots transferring the printing ink constitute a half-tone screen and are superimposed by a relief structure constituted by indentations. Such printing forms are used, for example in flexographic printing methods for printing glass plates, for example display screens having a luminescent material coating. In the manufacture of these screens, the printing ink must be applied homogeneously and the ink dots appearing in the printed image must have a uniform border area. According to the invention, the printing form is to this end implemented in such a way that the relief structures are arranged homogeneously relative to the printing dots and, if the printing dots are periodically spread across the printing form, these relief structures are superimposed on the printing dots preferably with the same period. Moreover, the relief structures are arranged in such a way that the indentations do not intersect the border area of a printing dot.
    • 本发明涉及一种用于旋转凸版印刷方法的打印形式,其中转印印刷油墨的印刷点构成半色调屏幕,并且由通过凹痕构成的浮雕结构叠加。 使用这种印刷形式,例如用于印刷玻璃板的柔性版印刷方法,例如具有发光材料涂层的显示屏。 在这些屏幕的制造中,印刷油墨必须均匀地涂布,印刷图像中出现的墨点必须具有均匀的边界。 根据本发明,印刷形式的实现方式是使得浮雕结构相对于印刷点均匀地布置,并且如果打印点周期性地分布在打印形式上,则这些浮雕结构叠加在 优选以相同的时期打印点。 此外,浮雕结构被布置成使得凹痕不与印刷点的边界区域相交。