Security paper
    23.
    发明公开
    Security paper 失效
    Sicherheitspapier。

    公开(公告)号:EP0400902A2

    公开(公告)日:1990-12-05

    申请号:EP90305679.4

    申请日:1990-05-24

    申请人: PORTALS LIMITED

    IPC分类号: D21H21/42 B41M3/14

    摘要: This invention is concerned with security paper (3) for bank notes, cheques and like documents in a security strip of enhanced security which is more difficult to counterfeit than the present bank notes containing window threads. Security papers according to the invention comprise at least one elongated security element (4) which security element is partially embedded within said paper with portions thereof being exposed at the surface of the paper at spaced intervals along the length of the security element at windows in the paper, said security element being visually detectable in transmitted light and being visible in the windows of the paper in reflected light, wherein the said security element comprises a plurality of layers including a support layer (11) and metallic regions (12) such that when the exposed portions of the security element are viewed in reflected light there is visible to the unaided eye in each window at least two metallic areas (1, 2) which form repeating patterns along the length of the element, with the said metallic areas being of different colour.

    摘要翻译: 本发明涉及用于增强安全性的安全带中的钞票,支票和类似文件的安全性文件(3),其比包含窗口线程的当前钞票更难以伪造。 根据本发明的安全纸包括至少一个细长的安全元件(4),该安全元件部分地嵌入所述纸张中,其中其部分沿纸张表面以间隔的间隔沿安全元件的长度以 纸张,所述安全元件在透射光下可视地检测并且在反射光下在纸张的窗口中可见,其中所述安全元件包括多个层,包括支撑层(11)和金属区域(12),使得当 安全元件的暴露部分在反射光中被观察到,在每个窗口中,肉眼可见的至少两个金属区域(1,2)沿着元件的长度形成重复图案,所述金属区域为 不同的颜色。