EP1629986A1 - Security printing process and security document - Google Patents

Security printing process and security document Download PDF

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Publication number
EP1629986A1
EP1629986A1 EP04020017A EP04020017A EP1629986A1 EP 1629986 A1 EP1629986 A1 EP 1629986A1 EP 04020017 A EP04020017 A EP 04020017A EP 04020017 A EP04020017 A EP 04020017A EP 1629986 A1 EP1629986 A1 EP 1629986A1
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EP
European Patent Office
Prior art keywords
protective layer
typographic
rough
rough field
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04020017A
Other languages
German (de)
French (fr)
Inventor
Matthias Gygi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KBA Notasys SA
Original Assignee
KBA Giori SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KBA Giori SA filed Critical KBA Giori SA
Priority to EP04020017A priority Critical patent/EP1629986A1/en
Priority to JP2007529017A priority patent/JP2008510639A/en
Priority to AT05785117T priority patent/ATE462577T1/en
Priority to US11/573,994 priority patent/US20090038490A1/en
Priority to EP05785117A priority patent/EP1786631B1/en
Priority to PCT/IB2005/002453 priority patent/WO2006021856A1/en
Priority to CNB200580028131XA priority patent/CN100540322C/en
Priority to DE602005020311T priority patent/DE602005020311D1/en
Publication of EP1629986A1 publication Critical patent/EP1629986A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0054—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by thermal means, e.g. infrared radiation, heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0045—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or film forming compositions cured by mechanical wave energy, e.g. ultrasonics, cured by electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams, or cured by magnetic or electric fields, e.g. electric discharge, plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/14—Multicolour printing
    • B41M1/18—Printing one ink over another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/36—Printing on other surfaces than ordinary paper on pretreated paper, e.g. parchment, oiled paper, paper for registration purposes

Definitions

  • the present invention relates to a method for printing security documents, such as banknotes and securities, including in particular a varnishing step during which there is a protective layer on the surface of said security documents and a step of typographic printing during which at least one typographic element is printed on said security documents.
  • security documents such as banknotes and securities
  • the invention also relates to such a security document.
  • a protective layer is applied to the sheets or the coil on which are printed during one of the final stages of the manufacturing process.
  • the present invention provides a method of printing at least one typographic element on security documents such as banknotes and value papers varnished and to overcome these disadvantages.
  • the method according to the invention is characterized by the fact that said typographic printing step is carried out after said varnishing step and by forming on said security documents, before said typographic printing step, at least a rough field for receiving said at least one typographic element.
  • the roughness of the field created and intended to receive the typographic element allows a good adhesion of the typographic ink.
  • the typographic element may also be any other single sign-on element for a security document such as a barcode or other drawing readable by a special machine and having elements that differ from one security document to another.
  • the rough field consists of a grid of dots or lines.
  • the rough field is formed before or after said varnishing step by locally increasing the roughness of the surface of said security documents.
  • said rough field is formed by an intaglio printing process the intaglio printing plate whose area intended to form a rough field is or not inked.
  • the rough field may be made by stamping before or after the varnishing step or by any other means making it possible to increase the roughness of the surface of the substrate or of the protective layer, for example, a treatment localized chemical or by treatment by means of a beam such as a laser beam striking the surface of the document.
  • the size of the rough field is greater than the size of the typographic element to be printed there.
  • the protective layer is produced by means of a UV-drying varnish.
  • the invention also relates to a security document according to one of claims 11 to 14.
  • the invention will be described in more detail with the aid of the single figure schematically showing a banknote seen in plan.
  • Bank note 1 is printed on both sides by conventional methods used in the field of printing of bank notes and paper value, ie, Offset printing, intaglio, Orloff, screen printing etc.
  • a rough field 3 is created, advantageously in an intaglio printing process.
  • the intaglio printing plate comprises an area identical in size to the field 3, provided with several notches of different shape and depth which, during the passage of the paper between the intaglio plate and the plate of the printing cylinder, will form on the paper a rough field including in relief a frame of lines and points corresponding to the notches located on the plate intaglio.
  • the non-rejected leaves are covered with a protective layer such as, for example, a UV-curing varnish (it could alternatively be another type of varnish, such as a varnish infrared drying).
  • a protective layer such as, for example, a UV-curing varnish (it could alternatively be another type of varnish, such as a varnish infrared drying).
  • the sheets pass through a conventional numbering machine that applies an individual serial number 4 (as well as other typographic elements not shown as a signature or an issue date) on each ticket 1 not stained.
  • the rough field 3 allows a good adhesion of the typographic ink despite the presence of the protective layer.
  • the sheets are sent to the usual finishing facility, control of the printing of the numbering, cutting, formation of bundles etc.
  • Field 3 extends around the number or typographic element so as to cover a higher surface (a few tenths of a millimeter is sufficient) and take into account any inaccuracies when printing the numbering.
  • a security document such as a bank note, for example, the serial number, a signature, the date of issue, or any other element that it is desirable to print by typography.
  • the use of the intaglio printing plate for producing the rough field 3 is a preferred embodiment. Nevertheless, it is alternatively possible to form the rough fields by stamping, by a localized chemical treatment or by means of a beam striking the surface of the security document, for example a laser beam. This operation can also be performed independently before or after the provision of the protective layer. What is important is to create, before the printing of the typographic element, a rough field allowing a good adhesion of the typographic ink on the protective layer.
  • the production of the field 3 during intaglio printing is particularly advantageous in that it does not require an additional step. Just like already mentioned to provide an appropriate field on the intaglio printing plate.
  • the invention also relates to a security document, such as that described with reference to FIG. 1, comprising a substrate whose faces bear impressions, a protective layer affixed to said substrate, and a rough field on which a typographic element is printed. after apposition of said protective layer.
  • the rough field may be formed, before varnishing, roughness formed on the surface of said substrate so that these asperities are reflected on the surface of said protective layer after varnishing.
  • the rough field may be formed, after varnishing, asperities formed directly on the surface of said protective layer.
  • the asperities are preferably constituted by a grid of dots and / or lines.

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  • Mechanical Engineering (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Plasma & Fusion (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Massaging Devices (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

The method involves placing a protecting layer on a surface of a security document e.g. bank note (1). A rough region (3) for receiving a letterpress unit e.g. alphanumeric serial number (4), signature or bar code, is formed on the security document. The letterpress unit is printed on the security document. The region is constituted of frame of points or lines, and size of the region is higher than that of the unit. An independent claim is also included for a security document e.g. bank note, or paper representing a value.

Description

La présente invention concerne un procédé d'impression de documents de sécurité, tels des billets de banque et papiers-valeurs, comprenant notamment une étape de vernissage durant laquelle on dispose une couche de protection sur la surface desdits documents de sécurité et une étape d'impression typographique durant laquelle on imprime au moins un élément typographique sur lesdits documents de sécurité. L'invention concerne aussi un tel document de sécurité.The present invention relates to a method for printing security documents, such as banknotes and securities, including in particular a varnishing step during which there is a protective layer on the surface of said security documents and a step of typographic printing during which at least one typographic element is printed on said security documents. The invention also relates to such a security document.

Dans le but de protéger les billets de banque et papiers valeur d'une usure prématurée due aux manipulations qu'ils subissent et prolonger ainsi leur durée de vie, une couche de protection est appliquée sur les feuilles ou la bobine sur lesquelles sont imprimés lors d'une des ultimes étapes du processus de fabrication.In order to protect banknotes and papers valuable premature wear due to handling they undergo and extend their life, a protective layer is applied to the sheets or the coil on which are printed during one of the final stages of the manufacturing process.

Dans le document FR-A-523278 on avait déjà prévu une telle couche de protection pour des imprimés et similaires. Dans les documents EP-A-0256170 et EP-A-0860296, incorporés dans la présente demande de brevet par référence, on décrit la production de billets de banque et papiers valeur munis d'une couche de protection. Dans le US-A-6227572 des éléments en reliefs sont créés par déformation du papier, pour former, par exemple, une indication en braille concernant la valeur du billet à l'intention des malvoyants. Au moins la zone comprenant ces éléments en relief est renforcée par une couche d'un vernis.In document FR-A-523278, such a protective layer had already been provided for printed matter and the like. EP-A-0256170 and EP-A-0860296, which are incorporated herein by reference, describe the production of bank notes and security papers with a protective layer. In US-A-6227572 relief elements are created by deforming the paper to form, for example, an indication in Braille of the value of the note to the visually impaired. At least the zone comprising these elements in relief is reinforced by a layer of a varnish.

Lors de la fabrication d'un billet de banque ou papier valeur, après l'impression recto verso du papier et le contrôle de la qualité d'impression, les billets répondant aux critères de qualité sont numérotés, un vernis de protection est appliqué comme décrit, par exemple, dans les documents précités et ensuite les feuilles subissent les dernières étapes de finissage, telle que découpage en billets individuels, formation de paquets, comptage, etc. Lors de l'application du vernis de protection sur les deux faces de chaque feuille certaines feuilles peuvent être partiellement ou totalement maculées. Dans ce cas les billets déjà numérotés sont inutilisables et il faut soit réutiliser les numéros manquants sur d'autres feuilles, soit procéder à l'impression d'une série spéciale et ces nouvelles feuilles doivent être insérées dans la pile au bon endroit pour obtenir de liasses avec une numérotation qui se suit.When making a banknote or paper value, after the two-sided printing of the paper and the control of the print quality, the banknotes that meet the quality criteria are numbered, a protective varnish is applied as described for example, in the aforementioned documents and then the sheets undergo the final stages of finishing, such as cutting into individual bills, forming packages, counting, etc. When applying the protective varnish on both sides of each leaf some leaves may be partially or completely smeared. In this case the already numbered banknotes are unusable and either the missing numbers need to be reused on other sheets, or the printing of a special series and these new sheets have to be inserted in the stack in the right place to obtain bundles with a numbering that follows.

Pour éviter ce travail fastidieux et coûteux, on a proposé d'imprimer les numéros ou tout autre élément typographique sur les billets et papiers valeur après l'application de la couche de protection et un contrôle de qualité pour écarter les feuilles ou billets maculés On limite ainsi l'impression d'une numérotation spéciale ou récupération des numéros non utilisés aux éventuels numéros mal imprimés.To avoid this tedious and costly work, it was proposed to print the numbers or other typographic element on the banknotes and papers value after the application of the protective layer and a quality control to remove the leaves or tickets stained We limit thus the printing of a special numbering or retrieval of unused numbers to any improperly printed numbers.

Il s'est avéré que l'adhésion et la résistance des encres typographiques utilisées pour l'impression de la numérotation sur le papier avec la couche de protection, surtout lorsqu'il s'agit d'une couche de vernis à séchage UV, est très faible. En plus, lorsque l'impression de la face du billet sur laquelle on imprime le numéro est réalisée en taille-douce, le papier est soumis à une très forte pression et il est devenu lisse ce qui ne facilite pas l'adhésion de l'encre utilisée pour la numérotation.It has been found that the adhesion and strength of the letterpress inks used for printing the numbering on the paper with the protective layer, especially when it is a layer of UV-curing varnish, is very weak. In addition, when printing the face of the ticket on which one the number is printed in intaglio, the paper is subjected to a very strong pressure and it has become smooth which does not facilitate the adhesion of the ink used for the numbering.

La présente invention propose un procédé d'impression d'au moins un élément typographique sur des documents de sécurité tels des billets de banque et papiers valeur vernis et permettant de pallier ces inconvénients.The present invention provides a method of printing at least one typographic element on security documents such as banknotes and value papers varnished and to overcome these disadvantages.

Le procédé selon l'invention est caractérisé par le fait que ladite étape d'impression typographique est effectuée après ladite étape de vernissage et par le fait que l'on forme sur lesdits documents de sécurité, avant ladite étape d'impression typographique, au moins un champ rugueux destiné à recevoir ledit au moins un élément typographique.The method according to the invention is characterized by the fact that said typographic printing step is carried out after said varnishing step and by forming on said security documents, before said typographic printing step, at least a rough field for receiving said at least one typographic element.

La rugosité du champ créé et destiné à recevoir l'élément typographique, tel un numéro de série alphanumérique, une signature, une date d'émission ou autre, permet une bonne adhérence de l'encre typographique. L'élément typographique peut par ailleurs être tout autre élément d'authentification unique pour document de sécurité tel qu'un code barre ou autre dessin lisible par une machine spéciale et comportant des éléments qui diffèrent d'un document de sécurité à un autre.The roughness of the field created and intended to receive the typographic element, such as an alphanumeric serial number, a signature, a date of issue or other, allows a good adhesion of the typographic ink. The typographic element may also be any other single sign-on element for a security document such as a barcode or other drawing readable by a special machine and having elements that differ from one security document to another.

Selon une variante, le champ rugueux est constitué d'une trame de points ou lignes.According to one variant, the rough field consists of a grid of dots or lines.

Selon une variante, le champ rugueux est formé avant ou après ladite étape de vernissage en augmentant localement l'aspérité de la surface desdits documents de sécurité.According to one variant, the rough field is formed before or after said varnishing step by locally increasing the roughness of the surface of said security documents.

Selon une autre variante préférée, ledit champ rugueux est formé par un procédé d'impression taille-douce la plaque d'impression taille-douce dont la zone destinée à former 1 champ rugueux est ou non encrée.According to another preferred variant, said rough field is formed by an intaglio printing process the intaglio printing plate whose area intended to form a rough field is or not inked.

Selon une autre variante, le champ rugueux peut être réalisé par étampage avant ou après l'étape de vernissage ou par tout autre moyen permettant d'augmenter l'aspérité de la surface du substrat ou de la couche de protection, par exemple, un traitement chimique localisé ou par un traitement au moyen d'un faisceau tel un faisceau laser frappant la surface du document.According to another variant, the rough field may be made by stamping before or after the varnishing step or by any other means making it possible to increase the roughness of the surface of the substrate or of the protective layer, for example, a treatment localized chemical or by treatment by means of a beam such as a laser beam striking the surface of the document.

Selon une variante, la taille du champ rugueux est supérieure à la taille de l'élément typographique devant y être imprimé.According to one variant, the size of the rough field is greater than the size of the typographic element to be printed there.

Selon une variante, la couche de protection est réalisée au moyen d'un vernis à séchage UV.According to one variant, the protective layer is produced by means of a UV-drying varnish.

L'invention concerne aussi un document de sécurité selon l'une des revendications 11 à 14.
L'invention sera décrite plus en détails à l'aide de la figure unique représentant schématiquement un billet de banque vu en plan.The invention also relates to a security document according to one of claims 11 to 14.
The invention will be described in more detail with the aid of the single figure schematically showing a banknote seen in plan.

Le billet de banque 1 est imprimé recto verso selon des procédés conventionnels utilisés dans le domaine de l'impression de billets de banque et papiers valeur, c'est-à-dire, l'impression Offset, taille-douce, Orloff, sérigraphie etc. Lors de l'impression du motif 2 sur la face recto du billet 1, un champ 3 rugueux est créé, avantageusement selon un procédé d'impression taille-douce. La plaque d'impression taille-douce comprend une zone identique en dimensions au champ 3, munie de plusieurs entailles de forme et profondeur différentes lesquelles, lors du passage du papier entre la plaque taille-douce et la plaque du cylindre d'impression, formeront sur le papier un champ rugueux comprenant en relief une trame de lignes et points correspondant aux entailles situées sur la plaque taille-douce. Ces reliefs peuvent être quasiment invisibles à l'oeil nu, si ladite zone de la plaque taille-douce n'est pas encrée, mais on peut les détecter au toucher. Nous avons représenté ces reliefs par de points et traits fins sur la figure. Après avoir passé par les différents contrôles de qualité, les feuilles non rejetées sont couvertes d'une couche de protection comme, par exemple, un vernis à séchage UV (il pourrait alternativement s'agir d'un autre type de vernis, comme un verni à séchage infrarouge). Après le séchage du vernis et un dernier contrôle pour écarter les feuilles maculées lors de l'application de la couche de protection, les feuilles passent dans une machine de numérotation conventionnelle qui applique un numéro de série individuel 4 (ainsi que d'autres éléments typographiques non représentés telle une signature ou une date d'émission) sur chaque billet 1 non maculé. Le champ rugueux 3 permet une bonne adhésion de l'encre typographique malgré la présence de la couche de protection.Bank note 1 is printed on both sides by conventional methods used in the field of printing of bank notes and paper value, ie, Offset printing, intaglio, Orloff, screen printing etc. When printing the pattern 2 on the front face of the ticket 1, a rough field 3 is created, advantageously in an intaglio printing process. The intaglio printing plate comprises an area identical in size to the field 3, provided with several notches of different shape and depth which, during the passage of the paper between the intaglio plate and the plate of the printing cylinder, will form on the paper a rough field including in relief a frame of lines and points corresponding to the notches located on the plate intaglio. These reliefs can be almost invisible to the naked eye, if said area of the intaglio plate is not inked, but they can be detected by touch. We have represented these reliefs by dots and fine lines in the figure. After having passed through the various quality controls, the non-rejected leaves are covered with a protective layer such as, for example, a UV-curing varnish (it could alternatively be another type of varnish, such as a varnish infrared drying). After drying the varnish and a final check to remove the stained sheets during the application of the protective layer, the sheets pass through a conventional numbering machine that applies an individual serial number 4 (as well as other typographic elements not shown as a signature or an issue date) on each ticket 1 not stained. The rough field 3 allows a good adhesion of the typographic ink despite the presence of the protective layer.

Par la suite les feuilles sont acheminées vers l'installation de finissage habituelle, contrôle de l'impression de la numérotation, découpage, formation de liasses etc.Subsequently the sheets are sent to the usual finishing facility, control of the printing of the numbering, cutting, formation of bundles etc.

Le champ 3 s'étend autour du numéro ou élément typographique de manière à couvrir une surface plus élevée (quelques dixièmes de millimètres suffisent) et tenir compte des éventuelles imprécisions lors de l'impression de la numérotation.Field 3 extends around the number or typographic element so as to cover a higher surface (a few tenths of a millimeter is sufficient) and take into account any inaccuracies when printing the numbering.

Comme mentionné précédemment plusieurs éléments typographiques peuvent être imprimés sur un document de sécurité tel un billet de banque, par exemple, le numéro de série, une signature, la date d'émission, ou tout autre élément qu'il est souhaitable d'imprimer par typographie.As previously mentioned, several typographic elements can be printed on a security document such as a bank note, for example, the serial number, a signature, the date of issue, or any other element that it is desirable to print by typography.

L'utilisation de la plaque d'impression taille-douce pour la réalisation du champ rugueux 3 est une exécution préférée. Néanmoins, on peut alternativement former les champs rugueux par étampage, par un traitement chimique localisé ou encore au moyen d'un faisceau frappant la surface du document de sécurité, par exemple un faisceau laser. Cette opération peut par ailleurs être réalisée indépendamment avant ou après la disposition de la couche de protection. Ce qui est important est de créer, avant l'impression de l'élément typographique, un champ rugueux permettant une bonne adhésion de l'encre typographique sur la couche de protection. La réalisation du champ 3 lors de l'impression taille-douce est particulièrement avantageuse en ce sens qu'elle ne nécessite pas d'étape additionnelle. Il suffit simplement comme déjà mentionné de prévoir un champ approprié sur la plaque d'impression taille-douce.The use of the intaglio printing plate for producing the rough field 3 is a preferred embodiment. Nevertheless, it is alternatively possible to form the rough fields by stamping, by a localized chemical treatment or by means of a beam striking the surface of the security document, for example a laser beam. This operation can also be performed independently before or after the provision of the protective layer. What is important is to create, before the printing of the typographic element, a rough field allowing a good adhesion of the typographic ink on the protective layer. The production of the field 3 during intaglio printing is particularly advantageous in that it does not require an additional step. Just like already mentioned to provide an appropriate field on the intaglio printing plate.

L'invention concerne aussi un document de sécurité, comme celui décrit à l'aide la figure 1 comprenant un substrat dont les faces portent des impressions, une couche de protection apposée sur ledit substrat, et un champ rugueux sur lequel est imprimé un élément typographique après apposition de ladite couche de protection.The invention also relates to a security document, such as that described with reference to FIG. 1, comprising a substrate whose faces bear impressions, a protective layer affixed to said substrate, and a rough field on which a typographic element is printed. after apposition of said protective layer.

Le champ rugueux peut être formé, avant vernissage, d'aspérités ménagées sur la surface dudit substrat de sorte que ces aspérités se répercutent sur la surface de ladite couche de protection après vernissage. Alternativement, le champ rugueux peut être formé, après vernissage, d'aspérités ménagées directement sur la surface de ladite couche de protection. Comme déjà mentionné, les aspérités sont préférablement constituées d'une trame de points et/ou lignes.The rough field may be formed, before varnishing, roughness formed on the surface of said substrate so that these asperities are reflected on the surface of said protective layer after varnishing. Alternatively, the rough field may be formed, after varnishing, asperities formed directly on the surface of said protective layer. As already mentioned, the asperities are preferably constituted by a grid of dots and / or lines.

Claims (14)

Procédé d'impression de documents de sécurité, tels des billets de banque et papiers-valeurs, comprenant notamment une étape de vernissage durant laquelle on dispose une couche de protection sur la surface desdits documents de sécurité et une étape d'impression typographique durant laquelle on imprime au moins un élément typographique sur lesdits documents de sécurité, caractérisé par le fait que ladite étape d'impression typographique est effectuée après ladite étape de vernissage et par le fait que l'on forme sur lesdits documents de sécurité, avant ladite étape d'impression typographique, au moins un champ rugueux destiné à recevoir ledit au moins un élément typographique.A method of printing security documents, such as banknotes and securities, including in particular a varnishing step during which there is a protective layer on the surface of said security documents and a typographic printing step during which one prints at least one typographic element on said security documents, characterized in that said typographic printing step is carried out after said varnishing step and by forming on said security documents, before said step of printing. typographic printing, at least one rough field for receiving said at least one typographic element. Procédé selon la revendication 1, caractérisé par le fait que l'élément typographique est un numéro de série alphanumérique, une signature ou une date d'émission.Method according to claim 1, characterized in that the typographic element is an alphanumeric serial number, signature or date of issue. Procédé selon la revendication 1 ou 2, caractérisé par le fait que le champ rugueux présente des aspérités constituées d'une trame de points et/ou lignes.Method according to claim 1 or 2, characterized in that the rough field has asperities consisting of a grid of dots and / or lines. Procédé selon l'une des revendications 1 à 3, caractérisé par le fait que ledit champ rugueux est formé avant ou après ladite étape de vernissage en augmentant localement l'aspérité de la surface desdits documents de sécurité.Method according to one of claims 1 to 3, characterized in that said rough field is formed before or after said varnishing step locally increasing the roughness of the surface of said security documents. Procédé selon la revendication 4, caractérisé par le fait que ledit champ rugueux est formé, avant ou après la disposition de la couche de protection, par étampage.Method according to claim 4, characterized in that said rough field is formed, before or after the provision of the protective layer, by stamping. Procédé selon la revendication 4, caractérisé par le fait que ledit champ rugueux est formé, avant ou après la disposition de la couche de protection, par un traitement chimique.Method according to claim 4, characterized in that said rough field is formed, before or after the provision of the protective layer, by a chemical treatment. Procédé selon la revendication 4, caractérisé par le fait que ledit champ rugueux est formé, avant ou après la disposition de la couche de protection, par traitement au moyen d'un faisceau frappant la surface du document.Method according to claim 4, characterized in that said rough field is formed, before or after the provision of the protective layer, by treatment by means of a beam striking the surface of the document. Procédé selon la revendication 4, caractérisé par le fait que ledit champ rugueux est formé avant ladite étape de vernissage par un procédé d'impression taille-douce au moyen d'une plaque d'impression taille-douce dont la zone destinée à former ledit champ rugueux est ou non encrée.A method according to claim 4, characterized in that said rough field is formed before said varnishing step by an intaglio printing process by means of an intaglio printing plate whose area intended to form said field rough is or is not inked. Procédé selon l'une des revendications 1 à 8, caractérisé par le fait que la taille du champ rugueux est supérieure à la taille de l'élément typographique devant y être imprimé.Method according to one of claims 1 to 8, characterized in that the size of the rough field is greater than the size of the typographic element to be printed there. Procédé selon l'une des revendications 1 à 9, caractérisé par le fait que ladite couche de protection est réalisée au moyen d'un vernis à séchage UV.Process according to one of Claims 1 to 9, characterized in that the said protective layer is produced by means of a UV-curing varnish. Document de sécurité, notamment billet de banque ou papier-valeur, comprenant un substrat dont les faces portent des impressions, une couche de protection apposée sur ledit substrat, et un champ rugueux sur lequel est imprimé un élément typographique après apposition de ladite couche de protection.Security document, in particular bank note or paper-value, comprising a substrate whose faces bear impressions, a protective layer affixed to said substrate, and a rough field on which a typographic element is printed after affixing said protective layer . Document de sécurité selon la revendication 11, caractérisé par le fait que le champ rugueux est formé d'aspérités ménagées sur la surface dudit substrat et se répercutant sur la surface de ladite couche de protection.Security document according to claim 11, characterized in that the rough field is formed of asperities formed on the surface of said substrate and reverberating on the surface of said protective layer. Document de sécurité selon la revendication 11, caractérisé par le fait que le champ rugueux est formé d'aspérités ménagées directement sur la surface de ladite couche de protection.Security document according to claim 11, characterized in that the rough field is formed of asperities formed directly on the surface of said protective layer. Document de sécurité selon l'une des revendications 11 à 13, caractérisé par le fait que le champ rugueux présente des aspérités constituées d'une trame de points et/ou lignes.Security document according to one of claims 11 to 13, characterized in that the rough field has asperities consisting of a dot pattern and / or lines.
EP04020017A 2004-08-24 2004-08-24 Security printing process and security document Withdrawn EP1629986A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP04020017A EP1629986A1 (en) 2004-08-24 2004-08-24 Security printing process and security document
JP2007529017A JP2008510639A (en) 2004-08-24 2005-08-19 Method for printing a security document and security document
AT05785117T ATE462577T1 (en) 2004-08-24 2005-08-19 SECURITY PRINTING PROCEDURES AND SECURITY DOCUMENT
US11/573,994 US20090038490A1 (en) 2004-08-24 2005-08-19 Method for printing security documents, and security document
EP05785117A EP1786631B1 (en) 2004-08-24 2005-08-19 Security printing process and security document
PCT/IB2005/002453 WO2006021856A1 (en) 2004-08-24 2005-08-19 Method for printing security documents, and security document
CNB200580028131XA CN100540322C (en) 2004-08-24 2005-08-19 The method of printing security documents and secure file
DE602005020311T DE602005020311D1 (en) 2004-08-24 2005-08-19 SAFETY PRESSURE PROCEDURE AND SAFETY DOCUMENT

Applications Claiming Priority (1)

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EP04020017A EP1629986A1 (en) 2004-08-24 2004-08-24 Security printing process and security document

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EP1629986A1 true EP1629986A1 (en) 2006-03-01

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EP04020017A Withdrawn EP1629986A1 (en) 2004-08-24 2004-08-24 Security printing process and security document
EP05785117A Not-in-force EP1786631B1 (en) 2004-08-24 2005-08-19 Security printing process and security document

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US (1) US20090038490A1 (en)
EP (2) EP1629986A1 (en)
JP (1) JP2008510639A (en)
CN (1) CN100540322C (en)
AT (1) ATE462577T1 (en)
DE (1) DE602005020311D1 (en)
WO (1) WO2006021856A1 (en)

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Publication number Publication date
ATE462577T1 (en) 2010-04-15
US20090038490A1 (en) 2009-02-12
WO2006021856A1 (en) 2006-03-02
EP1786631A1 (en) 2007-05-23
EP1786631B1 (en) 2010-03-31
JP2008510639A (en) 2008-04-10
CN100540322C (en) 2009-09-16
CN101005957A (en) 2007-07-25
DE602005020311D1 (en) 2010-05-12

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