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    • 2. 发明授权
    • Pressure roller device for a rotogravure printing press
    • 压克力压印设备
    • US3736869A
    • 1973-06-05
    • US3736869D
    • 1971-03-16
    • MOTTER J PRINTING PRESS CO
    • MOTTER JMOTTER J JRLACHMAN L
    • B41F9/00B41F13/08
    • B41F13/08B41F9/00
    • Pressure roller device for equalizing the printing pressure in a rotogravure press. The press includes a printing cylinder, an impression roller and a back-up roller arranged in tangential relationship. It also includes common movable supports for the ends of the impression roller and back-up roller to maintain the impression roller and back-up roller in tangential relationship and to bring the impression roller into pressure engagement with the printing cylinder. At least one pressure roller device is provided, according to the present invention, for applying a force against the back-up roller intermediate the ends thereof in the direction of the impression roller and the printing cylinder. This force increases the uniformity of the pressure applied by the impression roller against the surface of the printing cylinder.
    • 用于平衡凹版印刷机中的印刷压力的压力辊装置。 印刷机包括以切向关系布置的印刷滚筒,压印辊和支撑辊。 它还包括用于压印辊和支撑辊的端部的通常的可移动支撑件,以将压印辊和支撑辊保持切向关系,并使压印辊与印刷滚筒压力接合。 根据本发明,提供至少一个压力辊装置,用于在压辊和印刷滚筒的方向上在支承辊的端部上施加力。 该力增加了压印辊相对印刷滚筒表面施加的压力的均匀性。