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    COLOUR PROOFING APPARATUS AND METHOD
    1.
    发明公开
    COLOUR PROOFING APPARATUS AND METHOD 有权
    色彩测试装置和方法。

    公开(公告)号：EP2678160A1

    公开(公告)日：2014-01-01

    申请号：EP12703787.7

    申请日：2012-02-09

    申请人： Bobst Bielefeld GmbH

    发明人： WHITELAW, Gordon ,  BRUSDEILINS, Wolfgang

    IPC分类号： B41F5/20 ,  B41F33/00 ,  B41F9/04 ,  B41F5/24

    CPC分类号： B41F33/0036 ,  B41F5/20 ,  B41F9/04 ,  B41P2200/12

    摘要： A colour proofing apparatus, comprising: an engraved roller (12) having a pattern of ink accommodating cavities on its peripheral surface, a back pressure cylinder (14) forming a nip with the engraved roller (12), a conveyor (16) adapted to feed a sheet (18) of a print substrate through said nip in synchronism with the movements of the peripheral surfaces of the engraved roller (12) and the back pressure cylinder (14), and an optical sensor (30) disposed at the conveyor (16) for measuring a colour value of the sheet (18) that has passed through the nip.

    ROTARY PRINTING PRESS WITH CENTRAL IMPRESSION CYLINDER
    2.
    发明公开
    ROTARY PRINTING PRESS WITH CENTRAL IMPRESSION CYLINDER 有权
    轮转印刷机具有一个中央压印滚筒

    公开(公告)号：EP2611614A1

    公开(公告)日：2013-07-10

    申请号：EP11731307.2

    申请日：2011-07-04

    申请人： Bobst Bielefeld GmbH

    发明人： WHITELAW, Gordon

    IPC分类号： B41F5/18 ,  B41F5/24 ,  B41F13/18 ,  B41F33/00 ,  B41F33/02

    CPC分类号： B41F13/14 ,  B41P2200/12 ,  B41P2213/90

    摘要： A rotary printing press comprising a central impression cylinder (12) and a plurality of colour decks (A-J) disposed at the periphery thereof, each colour deck including a printing cylinder (18) adapted to be set against the central impression cylinder (12) and having a reference mark (36) arranged in its peripheral surface, the printing press further including a detector (52) for detecting the reference mark (36), characterized in that the detector (52) is arranged in the peripheral surface of the central impression cylinder (12).