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    • 1. 发明申请
    • A METHOD AND AN APPARATUS FOR PRODUCING MARKINGS ON A MOVING WEB
    • 一种用于在移动网络上生成标记的方法和装置
    • WO2013156664A1
    • 2013-10-24
    • PCT/FI2012/050393
    • 2012-04-20
    • UPM-KYMMENE CORPORATIONKURKI, LauriLAAKSO, PetriLEPPÄNEN, TeuvoTENHUNEN, JussiVIRTANEN, Pasi
    • KURKI, LauriLAAKSO, PetriLEPPÄNEN, TeuvoTENHUNEN, JussiVIRTANEN, Pasi
    • B41J2/44B23K26/08
    • G02B26/12B23K26/0821B23K26/0846B41J2/471
    • A method for producing markings (MRK1 ) on a moving web (WEB1 ) comprises: - moving the web (WEB1 ) in a longitudinal direction (SX), - delivering laser light (LB2) to a moving aiming point (SP2) by using a first beam steering body (100) and a second beam steering body (200) such that the position (x(t),y(t)) of the aiming point (SP2) depends on the angular orientation (a) of the first body (100) and on the angular orientation (β) of the second body (200), - rotating the second body (200) from a first angular orientation (β1 ) to a second angular orientation (β2), the rotation from the first angular orientation (β1 ) to the second angular orientation (β2) defining a writing period (TA), wherein the rotation of the second body (200) during the writing period (TA) moves the aiming point (SP2) such that the average longitudinal velocity component (vx2) of the aiming point (SP2) is in the range of 50 to 150% of the velocity (v^ of the web (WEB1 ), - rotating the first body (100) such that the aiming point (SP2) crosses a longitudinal reference line (YREF) a plurality of times during the writing period (TA), and - controlling the intensity of the laser light (LB2) according to the angular orientation (a) of the first body (100) and according to the orientation (β) of the second body (200).
    • 一种在移动腹板(WEB1)上产生标记(MRK1)的方法包括: - 在纵向(SX)上移动卷筒纸(WEB1); - 通过使用 第一光束转向体(100)和第二光束转向体(200),使得瞄准点(SP2)的位置(x(t),y(t))取决于第一主体 (100)和所述第二主体(200)的角度定向(β)上, - 将所述第二主体(200)从第一角度取向(β1)旋转到第二角度取向(β2),所述第一角度 定义(β1)到限定写入周期(TA)的第二角度取向(β2),其中在写入周期(TA)期间第二主体(200)的旋转移动目标点(SP2),使得平均纵向速度 瞄准点(SP2)的分量(vx2)在幅材(WEB1)的速度(v 1)的50至150%的范围内, - 旋转第一主体 100),使得瞄准点(SP2)在写入周期(TA)期间多次穿过纵向参考线(YREF),以及 - 根据角度取向(a)控制激光的强度(LB2) 的第一主体(100)的方向(β)。
    • 3. 发明申请
    • SECURITY-MARKED WEB
    • 安全标识网
    • WO2014033356A1
    • 2014-03-06
    • PCT/FI2012/050842
    • 2012-08-30
    • UPM-KYMMENE CORPORATIONVIRTANEN, PasiLEPPÄNEN, TeuvoLANNES, Petteri
    • VIRTANEN, PasiLEPPÄNEN, TeuvoLANNES, Petteri
    • D21H21/40B41M3/14B41M5/26
    • B41M3/14B41M5/26B42D25/36B42D25/41D21H21/40D21H21/44D21H21/48
    • A method of producing markings on a web (WEB1) comprises: - forming a first base portion (DOT0) in a primary web (WEB0) by locally altering at least one optical property of the primary web (WEB0) with a first laser beam (LB1), and - forming a covered web (WEB1) by covering and/or impregnating the primary web (WEB0) with an additive (AD1) after the first base portion (DOT0) has been formed, wherein the primary web (WEB0) comprises cellulose fibers, the covered web (WEB1) comprises an optically detectable first altered portion (DOT1), the first altered portion (DOT1) comprises the first base portion (DOT0) and an amount of additive (AD1) bound to the first base portion (DOT0), and the composition of the additive (AD1) has been selected such that exposing the covered web (WEB1) to a second laser beam (LB2) causes an optically detectable alteration of the additive (AD1) contained in the covered web (WEB1) in a situation where the intensity of the second laser beam (LB2) is equal to a minimum threshold intensity (IMIN,1) needed to cause optically detectable alteration of the primary web (WEB0) contained in the covered web (WEB1).
    • 一种在卷筒纸(WEB1)上产生标记的方法包括: - 通过用第一激光束局部改变主纸幅(WEB0)的至少一个光学特性,在主纸幅(WEB0)中形成第一基部(DOT0) LB1),以及 - 在形成所述第一基部(DOT0)之后,通过用添加剂(AD1)覆盖和/或浸渍所述主网(WEB0)来形成覆盖的网(WEB1),其中所述主网(WEB0)包括 纤维素纤维,被覆网(WEB1)包括可光学检测的第一改变部分(DOT1),第一改变部分(DOT1)包括第一基部(DOT0)和结合到第一基部的添加剂(AD1) DOT0),并且已经选择了添加剂(AD1)的组成,使得将被覆网(WEB1)暴露于第二激光束(LB2)导致包含在被覆网(WEB1)中的添加剂(AD1)的光学上可检测的改变 ),其中第二激光束(LB2)的强度等于最小值 需要使包含在被覆网(WEB1)中的主网(WEB0)的光学上可检测的改变)的阈值强度(IMIN,1)。