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    Magnetic planarization of pigment flakes
    4.
    发明授权
    Magnetic planarization of pigment flakes 有权
    颜料薄片的磁平面化

    公开(公告)号：US07258900B2

    公开(公告)日：2007-08-21

    申请号：US10293817

    申请日：2002-11-13

    申请人： Vladimir P. Raksha ,  Charles T. Markantes ,  Dishuan Chu ,  Paul G. Coombs

    发明人： Vladimir P. Raksha ,  Charles T. Markantes ,  Dishuan Chu ,  Paul G. Coombs

    IPC分类号： H01F1/00

    CPC分类号： B05D5/061 ,  A45D34/04 ,  B05D3/207 ,  B05D5/06 ,  B41F11/02 ,  B41M3/00 ,  B41M3/14 ,  B41M5/00 ,  B41P2200/30 ,  B42D25/29 ,  B42D2033/16 ,  B42D2035/20

    摘要： A magnetic field is applied to planarize magnetic pigment flakes relative to a surface. Pigment flakes, such as optically variable pigment flakes, are used in a variety of paints, inks, extrusions, powder coatings, and other forms for decorative and security applications. In many applications pigment flakes tend to align parallel to each other and to the surface to which they are applied. If the pigment flakes include a suitable magnetic structure, a magnetic field can be applied to subsequently align the flakes or enhance the alignment of the flakes in the plane of the substrate if the carrier that the flakes are dispersed in is still fluid. In some printing operations, pigment flakes that are applied parallel to the substrate are pulled out of plane when the print screen or printing die is lifted off the substrate. Application of a magnetic field can re-align pigment flakes to the plane of the substrate, enhancing the visual quality of the printed image, especially with optically variable pigments.

    摘要翻译： 施加磁场以使磁性颜料片相对于表面平坦化。 用于各种油漆，油墨，挤出物，粉末涂料和其它用于装饰和安全应用的形式的颜料薄片，例如光学可变的颜料薄片。 在许多应用中，颜料薄片倾向于彼此平行并且与它们所施加的表面对齐。 如果颜料薄片包括合适的磁性结构，则如果薄片分散在其中的载体仍然是流体，则可以施加磁场以随后对准薄片或增强薄片在基材平面中的对准。 在一些印刷操作中，当印刷屏幕或印刷模具从衬底上提起时，平行于衬底施加的颜料薄片被拉出平面。 磁场的应用可以将颜料薄片重新调整到基底的平面，增强印刷图像的视觉质量，特别是使用光学可变颜料。

    Magnetic plate for printing of optical effects
    5.
    发明授权
    Magnetic plate for printing of optical effects 有权
    用于印刷光学效果的磁性板

    公开(公告)号：US07717038B2

    公开(公告)日：2010-05-18

    申请号：US11560927

    申请日：2006-11-17

    申请人： Vladimir P. Raksha ,  Jay M. Holman ,  Paul G. Coombs ,  Neil Teitelbaum ,  Charles T. Markantes

    发明人： Vladimir P. Raksha ,  Jay M. Holman ,  Paul G. Coombs ,  Neil Teitelbaum ,  Charles T. Markantes

    IPC分类号： B41C3/08 ,  B41G7/00 ,  B41N6/00 ,  H01F7/00 ,  H01F1/00 ,  H01F3/00

    CPC分类号： B05D3/207 ,  B05D5/06 ,  B41C1/00 ,  B41C1/1058 ,  B41N1/04 ,  G11B5/855 ,  H01F13/003

    摘要： This invention discloses a magnet for use as a printing plate or printing head that is used for aligning flakes or particles in a paint or ink. A composite sheet or block of magnetizable material is selectively magnetized so that a magnet is formed within the sheet or block that has a shape of a predetermined image, logo, or indica. Dies are used to magnetize the magnetizable material and preferably the does contact the material to be magnetized. A pre-magnetized sheet such as a refrigerator magnet may be re-magnetized differently so that a magnetic image is encoded therein for use as a printing plate. Preferably the printing plate is flexible so that it can be formed to a curved surface of a cylinder or drum for printing. Conveniently these flexible magnets can be changed for other designs and placed on the same drum for use in printing.

    摘要翻译： 本发明公开了一种用于印刷板或印刷头的磁体，其用于对准油漆或油墨中的薄片或颗粒。 选择性地磁化复合片材或可磁化材料块，使得在具有预定图像，标志或印记的形状的片材或块内形成磁体。 模具用于磁化可磁化材料，并且优选地与待磁化的材料接触。 诸如冰箱磁体的预先磁化的片材可以被不同地重新磁化，使得磁图像被编码在其中用作印刷版。 优选地，印版是柔性的，使得其可以形成到用于印刷的圆筒或滚筒的弯曲表面。 方便地，这些柔性磁体可以改变用于其他设计，并放置在用于打印的相同的滚筒上。