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    • 28. 发明公开
    • Method to remove chromium plating and engraving from gravure rollers and machine suited to carry out such a method
    • 的方法和机器用于去除凹版滚筒的雕刻和铬层的
    • EP0808723A1
    • 1997-11-26
    • EP97108377.9
    • 1997-05-23
    • Rosa, Valerio
    • Rosa, Valerio
    • B41N3/00B24B5/04
    • B24B5/37B24B5/045B24B27/0076B41N3/003
    • The invention concerns a method for removing the chromium plating and the engraving from gravure rollers (2), formed by a metallic shell (21) galvanically covered with a copper coat (22) on which an engraving can be impressed and a chromium protective covering (23) is galvanically settled, including the following operations:

      make said cylinder (2) turn around its longitudinal axis (3);
      remove said chromium covering (23) by contrasting bodies (41) belonging to at least one first rotating disk (4);
      smooth said copper coat (22) down below said chromium covering (23), by at least a second rotating disk provided with abrasive elements. Said removing of said chromium covering (23) is determined by the breaking of the chromium covering (23) itself which is obtained through the elastic collapsing of the down below copper coat (22) when said contrasting bodies (41) interfere against said chromium coat (23).
    • 本发明涉及一种方法,用于除去镀铬,并从凹版辊雕刻(2),由金属壳(21)而形成电覆盖有铜涂层(22),其上(雕刻的可以打动和铬的保护罩 23)是电结算,包括如下操作:使所述气缸(2)绕其纵向轴线(3); 所述除去通过对比体铬覆盖(23)(41)属于至少一个第一旋转盘(4); 所述平滑铜涂层(22)由至少一个第二旋转盘向下低于所述铬覆盖(23)设置有研磨元件。 所述覆盖所述铬的去除(23)是确定性的由铬覆盖的断裂(23)开采本身所有这是通过下面的铜涂层的向下的弹性折叠获得(22),当所述对比体(41)干涉靠所述铬涂层 (23)。