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    • 2. 发明公开
    • SECURITY ELEMENT, SECURITY DOCUMENT AND METHODS OF MANUFACTURE THEREOF
    • SICHERHEITSELEMENT,SICHERHEITSDOKUMENT UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP2576232A1
    • 2013-04-10
    • EP11730399.0
    • 2011-05-27
    • De La Rue International Limited
    • SUGDON, Matthew, CharlesHICKMAN, Neil, AlexHARRISON, Robert, William
    • B42B2/00B42D15/10
    • B42D25/355B42B2/00B42D15/00B42D25/00B42D25/20B42D25/24B42D25/382B42D25/387B42D2035/24D02G3/346
    • A security element is provided for a security booklet comprising a plurality of pages including a first outermost page having an inner surface facing the remainder of the plurality of pages and an opposing outer surface, and a second outermost page having an inner surface facing the remainder of the plurality of pages and an opposing outer surface. The security element comprises at least one line of stitching joining the plurality of pages to one another. The stitching is formed of at least a first thread and a second thread, the first thread being disposed on the outer surface of the first outermost page, and the second thread being disposed on the outer surface of the second outermost page. The first and second threads are interlocked with one another at each of a series of spaced apertures through the plurality of pages provided along the line of stitching, and at one or more selected aperture(s), the interlock is configured such that a loop of the second thread extends to the outer surface of the first outermost page. The first thread has an optical characteristic different from that of the second thread, such that the or each loop of the second thread at the selected aperture(s) is optically distinguishable from the first thread.
    • 用于安全小册子的安全元件包括多个页面,其包括第一最外页面和第二最外页面。 安全元件包括将多个页面彼此连接的至少一行缝合线。 缝合由至少第一线和第二线形成,第一线设置在第一页的外表面上,第二线设置在第二页的外表面上。 第一和第二螺纹在沿缝合线穿过多个页面的一系列间隔开的孔中的每一个处互锁。 在一个或多个所选择的孔中,第二线的环延伸到第一页的外表面。 第一螺纹具有与第二螺纹不同的光学特性,因此所选孔径处的第二螺纹可与第一螺纹区分开。
    • 5. 发明公开
    • LIGHT DIFFUSING YARN AND SURFACE-FORM STRUCTURE
    • LICHTSTREUENDE GARNE UNDOBERFLÄCHENFÖRMIGESTRUKTUR
    • EP2025782A1
    • 2009-02-18
    • EP07742754.0
    • 2007-05-01
    • Kabushiki Kaisha S.T.I. Japan
    • OYAMA, Nobuo
    • D02G3/44E06B9/24
    • D02G3/346
    • Four light-transmitting mono filaments (2) each having an almost circular cross section and surface substantially being mirror surface are arranged in a single layer and in parallel, and a flat yarn (3) formed by fusing or melt-bonding adjacent mono filaments (2) to each other and fixing them is twisted. Twisting is imparted over a full length of a light diffusing yarn (1) continuously at a frequency of more than one time with a length five times as long as the width of the flat yarn (3). The twisting cyclically reverses the front and rear surfaces of the flat yarn (3) along the longitudinal direction of the light diffusing yarn (1) to continuously change the longitudinal-axis direction of each mono filament (2) along the longitudinal direction of the light diffusing yarn (1). Therefore, when parallel lights enter the light diffusing yarn (1), the center axis directions of conical-surface-like diffused lights differ from each other according to individual portions in the longitudinal direction of the light diffusing yarn (1) even if the incident angle of the parallel lights is constant to produce wide-range diffusion light at one cycle of twisting.
    • 分别具有大致圆形横截面和表面基本上是镜面的四个透光单丝(2)以单层和平行布置,以及通过将相邻单丝融合或熔融粘合形成的扁平纱线(3) 2)彼此固定并扭曲。 以长度为扁丝(3)的宽度的5倍长度,以多于一次的频率连续地将全长的光漫射纱(1)加捻。 扭转沿着光漫射纱线(1)的长度方向使平纱(3)的前表面和后表面周期性地反转,以沿着光的长度方向连续地改变各单丝(2)的纵轴方向 扩散纱(1)。 因此,当平行光进入光漫射纱线(1)时,锥形表面状扩散光线的中心轴方向根据光漫射纱线(1)的纵向方向上的各个部分彼此不同,即使事件 平行光的角度是恒定的,以在一个扭转周期产生宽范围的扩散光。