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    • 3. 发明申请
    • DUPLEX PRINTER
    • 双面打印机
    • WO1993004409A1
    • 1993-03-04
    • PCT/NL1991000151
    • 1991-08-14
    • SPECTRUM SCIENCES B.V.SAGIV, OdedLANDA, BenzionBLUM, Yoram
    • SPECTRUM SCIENCES B.V.
    • G03G15/00
    • G03G15/234
    • Imaging apparatus for duplex printing on a substrate having first and second sides and a leading edge and a trailing edge, the imaging apparatus including a first member having an image support surface adapted to sequentially support first and second images thereon, a second member adapted to support the substrate such that one side of the substrate engages the image support surface, leading edge first, at a transfer region and transfer apparatus for transferring the first image from the image support surface to the first side of the substrate at the transfer region while at least partially fixing the image thereto. The imaging apparatus also includes a waiting station adjacent the second member for receiving the substrate after transfer of the first image thereto and prior to the transfer of the second image thereto and an output station for receiving the substrate after completion of image transfer thereto. The imaging apparatus includes deflector apparatus adjacent the second member operative to receive the substrate directly from the second member and selectably deflect the substrate towards the waiting station or the output station for delivery thereto and roller apparatus associated with the waiting station for selectably engaging the trailing edge of the substrate after the substrate has been delivered to the waiting station for delivering the substrate back to the second member. The second member is operative to deliver the substrate to the transfer region, whereat the second image is transferred to the second side of the substrate.
    • 用于在具有第一和第二侧以及前缘和后缘的基板上进行双面打印的成像设备,所述成像设备包括具有适于顺序地支撑其上的第一和第二图像的图像支撑表面的第一构件,适于支撑的第二构件 所述基板使得所述基板的一侧首先接合所述图像支撑表面,在转印区域处的前缘,以及用于在所述转印区域将所述第一图像从所述图像支持表面转移到所述基板的所述第一侧的转印装置,同时至少 部分地将图像固定在其上。 成像装置还包括与第二构件相邻的等待台,用于在将第一图像转印到第一图像之后并在第二图像传送之前接收基板,以及在完成图像转印之后用于接收基板的输出站。 成像装置包括与第二构件相邻的偏转器装置,其可操作以直接从第二构件接收衬底,并且可选择地将衬底偏转到等待站或输出站用于传送,以及与等待站相关联的辊装置,用于可选择地接合后缘 在衬底已经被输送到等待站以将衬底传送回第二构件之后的衬底。 第二构件可操作地将衬底输送到转印区域,其中第二图像被转印到衬底的第二侧。