B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/00 (2006.01)
Patent
CA 2553072
A security device comprises a substrate (40) having a reflective portion which is provided with a raised line ,structure (6), the line structure defining a plurality of segments (4a,5a...), each segment being formed by a respective set of substantially parallel raised lines. The Mines of at least three segments extend in different directions. Each line is formed by or carries an ink (7) which does not extend fully into the spaces (8) between the lines or which is sufficiently translucent between the lines so as not to obscure the reflective surface between the lines, wherein each segment causes incident light to be reflected non-diffractively in a variable manner as the angle of incidence changes.
L'invention concerne un dispositif de sécurité qui comprend un substrat (40) possédant une partie réfléchissante pourvue d'une structure de lignes en relief (6), cette structure de lignes en relief définissant plusieurs segments (4a, 5a...), chaque segment étant formé d'un ensemble respectif de lignes en relief sensiblement parallèles. Les lignes d'au moins trois segments s'étendent dans des directions différentes. Chaque ligne est formée par une encre (7) ou porte cette encre, laquelle ne s'étend pas complètement dans les espaces (8) situés entre les lignes ou laquelle est suffisamment transparente entre les lignes pour ne pas obscurcir la surface réfléchissante entre les lignes. Chaque segment réfléchit sans diffraction la lumière incidente de façon variable lorsque l'angle d'incidence change.
Barthram Anita Marie
Davis Sharon Christine
Borden Ladner Gervais Llp
de La Rue International Limited
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