D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/42 (2006.01) B32B 38/10 (2006.01) B42D 15/00 (2006.01)
Patent
CA 2279339
A method of manufacturing a laminate structure for use in a security thread or tape comprises: i) providing a first structure (1) having a flexible carrier (2) supporting an optically variable effect structure (4-6); ii) adhering the first structure (1) to a flexible substrate (9) with the optically variable effect structure (4-6) between the carrier and the substrate; iii) removing the carrier (2); iv) permanently bonding the carrier (2) to the resulting laminate to generate a final laminate structure; and, v) slitting the laminate structure from step iv) into at least two lengths.
L'invention concerne un procédé de fabrication d'une structure stratifiée destinée à être utilisée dans un fil ou un ruban de sécurité comprenant les étapes suivantes: l'apport d'une première structure (1) comportant un support flexible (2) recevant une structure (4-6) à effet optiquement variable, l'adhésion de la première structure (1) à un substrat flexible (9), la structure (4-6) à effet optiquement variable étant placée entre le support et le substrat, le retrait du support (2), la liaison permanente du support (2) avec le stratifié résultant afin de créer une structure stratifiée définitive et le découpage en au moins deux bandes de la structure stratifiée obtenue à l'étape antérieure.
Borden Ladner Gervais Llp
de La Rue International Limited
LandOfFree
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