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    • 1. 发明授权
    • Device for guiding sheets printed on one or both sides
    • 用于引导在一侧或两侧打印的纸张的装置
    • US4572071A
    • 1986-02-25
    • US713444
    • 1985-03-19
    • Bert CappelNorbert Kreuzer
    • Bert CappelNorbert Kreuzer
    • B41F21/08B65H5/22B41F5/16B65H29/24
    • B65H5/228B41F21/08B65H29/041B65H2406/1211B65H2406/365
    • A sheet guiding device for use with a multicolor printing press having multiple printing units and a sheet stacker wherein the sheet guiding means is disposed between at least one of a pair of printing units and the stacker for guiding sheets therebetween, the guiding means including a chain conveyor with sheet grippers overlying a guide surface between the printing units and the stacker with a plurality of air nozzles formed in the surface of the guide surface and communicating with a plurality of flow ducts, the guide surfaces being disposed continuously and uninterruptedly between the printing units and the sheet stacker and the air nozzles being in the form of apertures in the guide surfaces having a diameter of about 15 mm, the area of the apertures being from 15 to 30% of the total guide surface area, the apertures being supplied by low-pressure high-volume-flow fans disposed in the flow ducts and the fans being reversible so that the nozzles can be selectively supplied with air at a positive or negative pressure.
    • 一种用于具有多个印刷单元的多色印刷机和片材堆垛机的片材引导装置,其中片材引导装置设置在一对印刷单元中的至少一个和用于在其间引导片材的堆垛机之间,引导装置包括链条 输送机,其中纸张夹持器覆盖在打印单元和堆叠器之间的引导表面上,多个空气喷嘴形成在引导表面的表面中并与多个流动管道连通,引导表面连续地且不间断地设置在打印单元 并且片材堆积器和空气喷嘴在引导表面中具有直径为约15mm的孔的形式,孔的面积为总引导表面积的15至30%,孔由低 压缩设置在流动管道中的大容量流动风扇并且风扇是可逆的,使得喷嘴可以选择性地供应空气 处于正压或负压。