Method for producing identification documents and documents...

B - Operations – Transporting – 42 – D

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B42D 15/00 (2006.01) B32B 37/16 (2006.01) B32B 38/14 (2006.01) B42D 15/10 (2006.01) G03G 13/01 (2006.01) G03G 13/16 (2006.01)

Patent

CA 2218064

A method for making documents, in particular identifying documents, such as passports and identity cards, comprises the steps of providing a set of signals, particularly digital signals, defining an image to be printed on the document; providing a temporary substrate; depositing on said temporary substrate coloring matters, whereby to produce thereon said image, by the conventional laser printing method; provisionally setting said image; juxtaposing said temporary substrate with its face carrying said image in contact with the rear face of a transparent substrate; transferring said image from said temporary substrate to said transparent substrate, whereby the said image is applied to said transparent substrate rear face and is visible through said transparent substrate from the front face thereof; removing said temporary substrate; and binding said transparent substrate, by lamination, to other components of the document to be produced. When the document is in booklet form, the binding of the transparent substrate effected by juxtaposing it to a final substrate that is part of the booklet and laminating it in contact with said final substrate. When the document is a card, the method also comprises providing a card blank which comprises a front and back leaf, one or both of which are transparent, and laminating said leaves, whereby to produce a card, wherein at least one printed image is visible from its front face.

L'invention porte sur un procédé permettant de fabriquer des documents, notamment des documents d'identité, tels que passeports et cartes d'identité. Dans le cadre de ce procédé, on produit un ensemble de signaux, notamment des signaux numériques, définissant une image à imprimer sur le document, on prépare un substrat provisoire et l'on y dépose des substances colorantes, ce qui permettra de confectionner ladite image sur ce substrat à l'aide de la technique classique d'impression laser, puis on fixe provisoirement cette image. On place ce substrat provisoire de sorte que la face comportant l'image soit en contact avec le verso d'un substrat transparent, puis on transfère cette image du substrat temporaire vers le substrat transparent, l'image étant, de ce fait, appliquée sur le verso du substrat transparent et visible à travers lui depuis le recto. On retire le substrat temporaire et l'on fixe le substrat transparent par stratification à d'autres composants du document à réaliser. Lorsque le document se présente sous la forme d'un livret, on fixe le substrat transparent en le juxtaposant à un substrat final faisant partie intégrante du livret et en le stratifiant alors qu'il est en contact avec le substrat final. Lorsque il s'agit d'une carte, le procédé consiste également à se munir d'une ébauche de carte comprenant un feuillet recto et un feuillet verso, l'un des deux étant transparent, et à stratifier ces feuillets, constituant de ce fait, une carte sur laquelle au moins une image imprimée est visible depuis le recto.

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