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    • 3. 发明申请
    • DEVICE, SYSTEM AND METHOD FOR PRODUCING A MAGNETICALLY INDUCED VISUAL EFFECT
    • 用于产生磁诱导视觉效应的装置,系统和方法
    • WO2012038531A1
    • 2012-03-29
    • PCT/EP2011/066583
    • 2011-09-23
    • SICPA HOLDING SADEGOTT, PierreDESPLAND, Claude-AlainSCHMID, Mathieu
    • DEGOTT, PierreDESPLAND, Claude-AlainSCHMID, Mathieu
    • G03G15/20G03G19/00G03G21/04B41M3/14
    • G03G15/09B41M3/14B41M5/00B41M7/0036B41M7/0045B41M7/0054B41M7/0072B41M7/009G03G15/20G03G19/00G03G21/043
    • The invention relates to a device, system and method for producing magnetically induced visual effects in coatings, particularly security or decorative features, containing orientable magnetic particles. The device comprises a printing unit, an orientation means, a substrate-guiding system and a photocuring unit. The printing unit is arranged to print with the coating composition an image on a first side of a substrate. The orientation means comprises a magnetic field generating element for orienting the magnetic particles in the coating composition of the printed image. The substrate-guiding system is arranged to bring and hold the substrate in contact with the orientation means. The photocuring unit irradiates the image printed on the substrate to at least partially cure the coating composition of the image while the substrate is still in contact with the orientation means. The photocuring unit is configured such that its emission of thermal radiation energy is such limited as to not heat the orientation means to an average temperature T1 exceeding 100°C.
    • 本发明涉及用于在涂层中产生磁感应视觉效果的装置,系统和方法,特别是包含可定向磁性颗粒的安全或装饰特征。 该装置包括印刷单元,取向装置,基板引导系统和光固化单元。 印刷单元布置成用涂料组合物印刷在基材的第一侧上的图像。 取向装置包括用于使印刷图像的涂料组合物中的磁性颗粒定向的磁场产生元件。 基板引导系统被布置成使基板与定向装置接触并保持。 光固化单元照射印刷在基材上的图像,以至少部分地固化图像的涂料组合物,同时基材仍然与取向装置接触。 光固化单元被配置为使得其热辐射能量的发射被限制为不将取向装置加热到超过100℃的平均温度T1。