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    • 2. 发明授权
    • Method and device for washing a form cylinder and an associated
applicator roller in a printing machine
    • 用于在印刷机中清洗成型滚筒和相关的涂布辊的方法和装置
    • US5740739A
    • 1998-04-21
    • US684154
    • 1996-07-19
    • Manfred HeroldGeorg HartungUlrich Jung
    • Manfred HeroldGeorg HartungUlrich Jung
    • B41F23/08B41F31/08B41F35/02B41F35/04
    • B41F35/02B41P2235/26
    • A method and apparatus for washing printing press form cylinders and associated applicator rollers in a manner which reduces the drying of quick-drying media, such as varnish or ink, on the applicator roller and form cylinder. The washing device is disposed in a nip between the form cylinder and applicator roller and has two curved surfaces disposed in closely adjacent relation to respective surfaces of the form cylinder and applicator roller. Each curved surface has a spray device for directing a cleaning fluid onto the adjacent form cylinder and applicator roller and a suction-extraction device for removing sprayed cleaning fluid and removed ink and impurities. The method and apparatus may be selectively operated in a print-on mode in which a cleaning fluid is sprayed onto the rotating form cylinder and is suction-extracted from its outer surface. When printing is switched off, the method and apparatus may be operated in a print-off mode in which cleaning fluid is sprayed onto the rotating applicator roller and onto the rotating form cylinder, with the applicator roller is separated from the form cylinder.
    • 一种洗涤印刷机的方法和装置,以减少施胶辊和成型滚筒上的快干干燥介质如清漆或油墨的干燥的方式,形成滚筒和相关的涂布辊。 洗涤装置设置在成型滚筒和涂布辊之间的辊隙中,并且具有与成形滚筒和涂布辊的相应表面紧密相邻的两个曲面。 每个弯曲表面具有用于将清洁流体引导到相邻的成形滚筒和涂布辊上的喷射装置和用于去除喷射的清洁流体并除去油墨和杂质的抽吸装置。 该方法和装置可以以打印模式选择性地操作,其中将清洁流体喷射到旋转的圆筒上并从其外表面抽吸。 当打印关闭时,方法和装置可以以打印模式操作,其中清洁流体喷射到旋转的涂布辊上并且旋转的成型滚筒上,涂布辊与成形滚筒分离。
    • 5. 发明授权
    • Device for drawing and bending printing plates
    • 拉丝和弯曲印版的装置
    • US5309835A
    • 1994-05-10
    • US056026
    • 1993-04-30
    • Georg HartungHelmut SchildManfred Herold
    • Georg HartungHelmut SchildManfred Herold
    • B41F27/12B41F1/28
    • B41F27/1206
    • A device for drawing and bending the trailing edge of a printing plate onto a plate cylinder of a printing machine such as a sheet-fed rotary printing press, in which a pressure roller with an attached actuatable folding strip draws a printing plate, which has its leading print edge fastened into a tension rail, around the outer circumference of the plate cylinder as the plate cylinder is rotated, to a position where the folding strip is actuated thereby introducing the trailing edge of the printing plate into a second tension rail. The device provides a means for drawing the printing plate onto the printing cylinder with a desirable uniform tension and without requiring auxiliary devices for pre-folding the printing plate in order to secure the trailing printing plate edge into a tension rail.
    • 一种用于将印版的后缘拉伸和弯曲到诸如单张纸旋转印刷机的印刷机的印版滚筒上的装置,其中具有附接的可致动折叠条的加压辊拉出印版, 当印版滚筒旋转时,围绕印版滚筒的外圆周的紧固导向的打印边缘到达折叠条被致动的位置,从而将印版的后缘引入第二张力轨。 该装置提供了一种用于以期望的均匀张力将印版拉伸到印刷滚筒上的装置,并且不需要用于预折叠印刷版的辅助装置,以便将后印版边缘固定到张力导轨中。
    • 8. 发明授权
    • Method and apparatus for facilitating the printing of verso sides and
the varnishing of recto sides of sheets
    • 用于方便印刷多面体的方式和装置以及正面侧面的上光
    • US5309839A
    • 1994-05-10
    • US44274
    • 1993-04-07
    • Georg HartungMichael Rother
    • Georg HartungMichael Rother
    • B41F23/08B41F5/02B05C11/00B05D1/00
    • B41F23/08
    • Method and apparatus for the varnishing and printing of sheets in a printing machine. A feed drum incorporates a counterpressure surface to form a first nip with an impression cylinder. As sheets are fed to the impression cylinder and transported through the first nip, a constant pressure at the first nip consistently transfers ink to a verso side of each sheet. Arranged thereafter, a varnishing cylinder supplied with a quantity of varnish contacts the impression cylinder creating a second nip. As the sheet passes through the second nip, the recto side of the sheet is coated with the varnish. The impression cylinder thus receives a constant pressure for transferring ink to the sheet independent of the pressure provided by the varnishing cylinder. Accordingly, even a partial or intermittent varnishing of the recto sheet side has no adverse effect on print quality, and the sheet does not have to be transferred from the impression cylinder to a separate varnishing unit.
    • 用于在印刷机中上光和印刷片材的方法和装置。 进料鼓包括反压表面以形成具有压印滚筒的第一压区。 当纸张被馈送到压印滚筒并且通过第一压区传送时,在第一辊隙处的恒定压力将油墨持续地传送到每个纸张的正面。 此后安排一个提供有一定量清漆的上漆圆筒与压印滚筒接触,形成第二辊隙。 当片材通过第二压区时,片材的正面侧涂有清漆。 因此,压印滚筒因此接收用于将油墨转印到纸张上的恒定压力,而与由上漆筒提供的压力无关。 因此,甚至对直立片侧面的部分或间歇性上漆也不会对打印质量产生不利影响,并且片材不必从压印滚筒转移到单独的上光单元。