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    Inkjet printing apparatus for web being print medium
    1.
    发明授权
    Inkjet printing apparatus for web being print medium 有权

    公开(公告)号：US10105977B2

    公开(公告)日：2018-10-23

    申请号：US15492432

    申请日：2017-04-20

    申请人： RISO KAGAKU CORPORATION

    发明人： Akira Nishiyama ,  Tetsunori Saito ,  Tomohiko Shimoda

    IPC分类号： B41J2/165 ,  B41J25/00 ,  B41J2/01

    摘要： An inkjet printing apparatus includes: a print bar unit including an inkjet head configured to eject ink to a web being conveyed; and a guide configured to guide movement of the print bar unit in a print bar movement direction intersecting a conveyance direction of the web between a first position, a second position, and a third position. The first position is a position where the print bar unit performs printing on the web. The second position and third position are located on one and the other sides of the first position in the print bar movement direction.

    Printing machine
    3.
    发明授权
    Printing machine 有权

    公开(公告)号：US09834015B2

    公开(公告)日：2017-12-05

    申请号：US15067873

    申请日：2016-03-11

    申请人： RISO KAGAKU CORPORATION

    发明人： Masaaki Shinohara ,  Tomohiko Shimoda ,  Tetsunori Saito ,  Kazuyuki Aoki ,  Takuya Okamura

    IPC分类号： B65H29/00 ,  B41J13/00 ,  B41J3/60 ,  B65H5/06 ,  B65H5/36

    CPC分类号： B41J13/0045 ,  B41J3/60 ,  B65H5/062 ,  B65H5/36

    摘要： A printing machine includes a printing unit which performs printing while transferring a sheet at a printing transfer speed, a circulation transfer unit which receives the sheet after simplex printing and transfers the sheet by reversing the sheet upside down, during duplex printing; and a paper refeed unit which refeeds, to the printing unit, the sheet transferred by the circulation transfer unit after simplex printing, wherein the circulation transfer unit includes a reversing unit which receives the sheet at the printing transfer speed, reverses the sheet upside down by switching back the sheet and accelerates the sheet up to a circulation transfer speed which is higher than the printing transfer speed when sheet transfer is restarted after temporal stop in the switching back, and a horizontal transfer unit which transfers the sheet switched back by the reversing unit, at the circulation transfer speed.