EP0229645B1 - Procédé de production d'un papier de sécurité à élément de sécurité incorporé - Google Patents

Procédé de production d'un papier de sécurité à élément de sécurité incorporé Download PDF

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Publication number
EP0229645B1
EP0229645B1 EP87100201A EP87100201A EP0229645B1 EP 0229645 B1 EP0229645 B1 EP 0229645B1 EP 87100201 A EP87100201 A EP 87100201A EP 87100201 A EP87100201 A EP 87100201A EP 0229645 B1 EP0229645 B1 EP 0229645B1
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EP
European Patent Office
Prior art keywords
paper
layers
regions
process according
layer
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.)
Expired - Lifetime
Application number
EP87100201A
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German (de)
English (en)
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EP0229645A1 (fr
Inventor
Walter Dr. Schneider
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GAO Gesellschaft fuer Automation und Organisation mbH
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GAO Gesellschaft fuer Automation und Organisation mbH
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Publication date
Application filed by GAO Gesellschaft fuer Automation und Organisation mbH filed Critical GAO Gesellschaft fuer Automation und Organisation mbH
Priority to AT87100201T priority Critical patent/ATE63584T1/de
Publication of EP0229645A1 publication Critical patent/EP0229645A1/fr
Application granted granted Critical
Publication of EP0229645B1 publication Critical patent/EP0229645B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/42—Ribbons or strips
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/06—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type
    • D21F11/08—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type paper or board consisting of two or more layers

Definitions

  • the invention relates to a method for producing a security paper with a security element embedded in the paper in the form of a thread or tape, the security element being present at least locally in areas of reduced paper thickness or on the surface of the paper.
  • Security papers such as those used for banknotes, securities, documents, ID cards, etc., usually have watermarks that prove the authenticity of the paper. These papers are produced on circular screen paper machines, it being known that elevations and / or water-impermeable areas on the screen surface bring about the reduction in fiber deposition necessary for the formation of the watermarks.
  • the finished paper sheet then has locally different paper thicknesses and in this way images or patterns can be introduced which show the effect of the contrast reversal typical of the watermark when viewed in reflected and transmitted light.
  • a security element in the form of a thread or tape etc. into the paper layer.
  • the thread is introduced into the paper pulp and brought up to the sieve in such a way that it lies there after the fiber deposition has started, that is to say a fiber layer has already formed but has not yet been completed, so that the thread is then complete in the finished sheet is included.
  • This storage process is well known and e.g. described in DE-OS-24 08 304 (Jung).
  • Threads that e.g. a print sample or other visually verifiable features such as Diffraction structures, dichroic materials, etc., can namely be easily checked in this way. It is known from GB-PS-1 552 853 to store such visually inspectable security threads in such a way that they lie locally freely on the paper surface. This can e.g. can be achieved by subsequently removing the paper layer in certain areas of the security thread or by storing the security thread in the watermark area as described above, so that the thread is only covered by a thin and thus almost transparent paper layer.
  • the person skilled in the art can also take advantage of the critical parameters and the process parameters mentioned above for inserting a security thread such as the time of insertion of the thread, embossing structure on the sieve, etc. choose that the thread in the finished paper web is not only covered by a thin paper structure, but is completely exposed.
  • This process is described, for example, in EP-A-59 056 (Portals) also described in more detail.
  • the thread is then, of course, introduced according to this request so that it comes to rest on the raised and / or water-impermeable areas of the sieve before a separation of fibers has taken place here.
  • GB-PS-1 486 079 finally discloses a method for completely embedding relatively wide security threads in paper, the security tape being embedded between two separately produced paper webs and the overall arrangement then being pressed and dried.
  • the object of the invention is now to provide a method for producing security papers, the thread being able to be embedded without problems both in almost any layer depth in the paper and in the watermark area, and furthermore there being the possibility of also placing the thread at any point on the Expose the front and back of the paper so that it is accessible for visual inspection in reflected light.
  • the basic idea of the invention is that the thread insertion is decoupled from the fiber layer formation on the paper screen, so that the thread insertion cannot have a disruptive effect on the actual fiber layer formation (sheet formation).
  • One or both paper layers can now be produced very thin locally without any problems, with at least one of the paper layers in the thread area being locally reduced to a thickness of 30-0% with respect to the overall total thickness of both layers for good visual visibility of the thread.
  • fiber layers of different thicknesses can be produced on the first and second paper sieves, preferably in a thickness ratio of 1: 4.
  • the thread comes to lie near the surface in the finished sheet, which improves its visual inspection over the entire length of the paper.
  • a lettering, for example, on the thread is over the entire Thread length legible.
  • watermark patterns can be placed in one or both layers of paper e.g. in the form of several regularly repeating areas in e.g. rectangular, round or elliptical shape.
  • the thread that is embedded in these areas is then only overlaid on these surface areas by a thin layer of paper and is therefore clearly visible there.
  • the measures required for forming the watermark pattern on the screen can also be designed in extreme cases so that there is no fiber deposition there and holes are thus created in the fiber composite. This makes it possible to expose the thread in a targeted manner.
  • a security paper can be produced by coordinating the arrangement of the watermark patterns and synchronous running of the two paper screens, the thread e.g. alternately appears at regular intervals on the front or back of the finished sheet.
  • the device corresponds essentially to the commercially available paper machines, which has at least two separate wet sections.
  • the preferred embodiment shown here consists of a combination of two circular screen wet sections 1 and 2, a so-called double circular screen paper machine.
  • a first paper web 3 is scooped, which is then suspended under the take-off felt 4 over a distance of approximately 2 m to the second wet section 2.
  • a second paper web 5 is scooped. Both paper webs are combined at the location of the roll 6 and then run together to the further processing stations, in which the paper is pressed and dried (not shown in the figures).
  • a security thread 7 is introduced between these webs, which is unrolled from a supply roll 8 and guided to the unification point via a guide roll 9.
  • This process is shown in an enlarged detail in FIG. 2 (a true-to-scale representation has been dispensed with in order to better illustrate the facts).
  • the security thread can be guided in such a way that, as shown in FIG. 2, it is detected simultaneously by both layers of paper. It can also be placed on the second paper layer 5 after it has left the pulp. When the layers of paper are combined, the thread is then enclosed between the layers of paper.
  • two circular screening plants are used for the production of the two paper layers.
  • the use of circular sieves is preferred because it can produce very high-contrast and good watermarks.
  • security threads are often used which, for example, have lettering or contain other visually verifiable optical features. Such features are, for example, diffraction gratings.
  • Such features are, for example, diffraction gratings.
  • the method according to the invention now allows threads of this type to be embedded without problems near the surface of the security paper.
  • different thicknesses are selected for the paper layers produced on both paper machines, preferably in a thickness ratio of 1: 4.
  • a paper layer 3 is produced in the first paper machine, the thickness of which will be reduced to approx. 80 ⁇ m after Gautschen and drying.
  • Fig. 4 a product is shown, wherein one of the paper layers 5 is provided with a water oak 9, so that the thread is overlaid on one side of the paper at silted places only by a thin layer of paper and is therefore clearly visible at these points .
  • both paper layers 3 and 5 being equipped with a water oak.
  • the elevations on the sieve or impermeable points necessary for the formation of the water oak are designed so that the respective water oak patterns complement each other to form a positive / negative relief. If the two paper sieves run in a synchronous manner, the thread is then guided in places near one surface and then shifted onto the opposite surface. The finished sheet then has a uniform thickness, while the thread appears on both sides of the sheet at regular intervals.
  • the measures on the paper screen required for the production of water oak, for example the increase in relief, can also be designed to such an extent that fiber deposition is completely prevented there.
  • one of the two paper layers is manufactured according to this concept.
  • the paper layer 3 has holes 10 at regular intervals on and the thread 7 inserted in these areas is completely exposed through the holes in the paper layer.
  • the perforated paper web can have the same thickness as the opposite paper web or a smaller one.
  • both paper webs 3 and 5 can also be provided with such a hole pattern 10 or 11, which results in further design options.
  • the circular sieves can be shaped and synchronized in their run in such a way that the hole patterns coincide when the two paper webs are joined.
  • the thread 7 is thus exposed in the same place on both sides. Threads that e.g. show different appearance when viewed in reflected or transmitted light, can thus be easily checked.
  • the holes can also be arranged so that they are offset from one another in both layers of paper.
  • the alternating sequence of the holes is preferably chosen, since in this case the thread is always surrounded by a paper fiber layer on at least one side and thus adheres firmly to the fiber composite.
  • the holes or the thinned areas in the paper layer produced with the first system can also be produced shortly before or after removal of this web from the circular screen. If, for example, an air or water jet is directed onto a paper layer, this causes a local displacement of the fibers and craters or holes can be produced in the paper layer.
  • the use of an air or liquid jet device also facilitates synchronization if the patterns in the two layers of paper are to be coordinated. The air or liquid jet device is then activated synchronously with the running of the second paper web or the second circular screen.
  • the examples shown here are based on the use of a twin-wire machine.
  • the method according to the invention can easily be extended to larger systems with more than two wet sections, which makes it possible to embed several threads in different layers of the paper. These threads can then lie side by side or one above the other.
  • the paths of the individual threads e.g. cross over. According to the method according to the invention, this is possible in a simple manner, since the threads are introduced into the paper independently of one another at different locations, whereas such a course of several threads cannot be achieved according to the conventional insertion methods.
  • FIGS. 3-6 are only basic representations.
  • a displacement within the fiber structure is caused in the watermark area by the pressing action required when the paper layers are removed from the wire and in particular by the subsequent rubber and drying processes.
  • the fiber layer is e.g. shifted to the center plane of the paper so that the relief height is approximately the same on both sides of the paper. This shift will also change the position of the thread in relation to the middle plane of the paper.
  • the thread in the final product is therefore not always in one plane, as shown in the figures, but will be pressed out of this plane at the points of reduced paper thickness.

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  • Paper (AREA)
  • Making Paper Articles (AREA)
  • Credit Cards Or The Like (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Claims (12)

1. Procédé pour réaliser un papier de sécurité comprenant un élément de sécurité incorporé dans le papier sous forme d'un fil ou d'une bande, l'élément de sécurité étant situé au moins localement dans des régions d'épaisseur plus faible du papier ou sur la surface du papier,
caractérisé en ce que
- une première couche de papier est formée sur une première partie humide d'une machine à papier, qui est détachée de la toile métallique au moyen d'une bande preneuse,
- une seconde couche de papier est formée sur une seconde partie humide d'une machine à papier,
- l'une ou les deux couches de papier présentent au moins des régions locales d'épaisseur plus faible, représentant jusqu'à 30% de l'épaisseur totale des deux couches de papier,
- la première couche de papier est avancée au moyen de la bande preneuse sur la seconde couche de papier et amenée en contact intime avec cette dernière, l'élément de sécurité étant ainsi disposé entre les couches de papier de manière à être disposé dans les régions d'épaisseur plus faible du papier ou dans des évidements de l'une des deux bandes de papier,
- les bandes papier rassemblées sont couchées et séchées en commun.
2. Procédé selon la revendication 1, caractérisé en ce que les régions d'épaisseur plus faible dans la ou les couches de papier sont réalisées par des régions gaufrées en relief sur la toile métallique, ou bien des régions qui affectent de façon voulue la perméabilité à l'eau sont réalisées sur la toile métallique, d'où il résulte que le dépôt des fibres dans ces régions est réduit ou totalement interdit.
3. Procédé selon la revendication 1, caractérisé en ce qu'au moins l'une des deux couches de papier est traitée pendant la formation de la feuille ou peu après au moyen d'un courant d'air ou d'eau de manière à obtenir un déplacement local voulu des fibres allant jusqu'à la formation de trous.
4. Procédé selon la revendication 1, caractérisé en ce que les deux couches de papier sont réalisées selon des épaisseurs différentes, de préférence selon la rapport 1: 4.
5. Procédé selon la revendication 1, caractérisé en ce que l'une au moins des deux couches de papier est réalisée par une machine à forme ronde
6. Procédé selon la revendication 1, caractérisé en ce que des régions filigranées ou des trous se répétant périodiquement sont constituées dans les deux couches de papier.
7. Procédé selon la revendication 6, caractérisé en ce que les filigranes d'une couche de papier sont constitués, en ce qui concerne les régions épaisses et minces du papier, de façon complémentaire aux filigranes de l'autre couche de papier.
8. Procédé selon la revendication 6, caractérisé en ce que les filigranes ou trous des deux couches de papier sont disposés les uns sur les autres lors de leur rassemblement de manière que les régions épaisses du filigrane d'une couche de papier se disposent sur des régions minces ou des trous correspondants de l'autre couche de papier.
9. Procédé selon la revendication 6, caractérisé en ce que les deux couches de papier sont rassemblées de manière que les filigranes ou trous d'une couche de papier viennent se disposer entre les filigranes ou trous de l'autre couche de papier.
10. Procédé selon la revendication 1, caractérisé en ce que les régions d'épaisseur plus mince des bandes de papier sont constituées sous forme d'un motif géométrique simple, en particulier sous forme de régions plates approximativement rectangulaires, rondes ou elliptiques.
11. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que d'autres machines à papier sont raccordées à la première et à la seconde machines à papier et en ce qu'entre les machines à papier individuelles sont insérés d'autres éléments de sécurité dans la bande de papier constituée de plusieurs couches.
12. Procédé selon la revendication 11, caractérisé en ce que les éléments de sécurité sont disposés entre les différentes couches de papier, les uns à côté des autres et/ou les uns au-dessus des autres, et/ou en ce qui les éléments de sécurité se recoupent.
EP87100201A 1986-01-16 1987-01-09 Procédé de production d'un papier de sécurité à élément de sécurité incorporé Expired - Lifetime EP0229645B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87100201T ATE63584T1 (de) 1986-01-16 1987-01-09 Verfahren zur herstellung eines sicherheitspapiers mit eingelagertem sicherheitselement.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863601114 DE3601114A1 (de) 1986-01-16 1986-01-16 Verfahren zur herstellung von sichrheitspapier mit eingelagertem sicherheitsfaden
DE3601114 1986-01-16

Publications (2)

Publication Number Publication Date
EP0229645A1 EP0229645A1 (fr) 1987-07-22
EP0229645B1 true EP0229645B1 (fr) 1991-05-15

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EP87100201A Expired - Lifetime EP0229645B1 (fr) 1986-01-16 1987-01-09 Procédé de production d'un papier de sécurité à élément de sécurité incorporé

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EP (1) EP0229645B1 (fr)
AT (1) ATE63584T1 (fr)
DE (2) DE3601114A1 (fr)
ES (1) ES2022153B3 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0319157A2 (fr) * 1987-12-04 1989-06-07 Portals Limited Papier de sûreté pour des billets de banque et produits similaires
EP0453131A2 (fr) * 1990-04-12 1991-10-23 Crown Paper Co. Papier de sécurité et méthode pour sa fabrication
US5093184A (en) * 1989-06-02 1992-03-03 Portals Limited Security paper with metallic patterned elongated security element
EP0486065A1 (fr) * 1990-11-16 1992-05-20 GAO Gesellschaft für Automation und Organisation mbH Papier fiduciaire et son procédé de fabrication
GB2260772A (en) * 1991-10-25 1993-04-28 Portals Ltd Method for making sheet materials such as security paper
FR2684698A1 (fr) * 1991-12-09 1993-06-11 Arjo Wiggins Sa Procede pour la fabrication d'un produit comportant des zones localisees d'opacite reduite et papier ainsi obtenu.
EP0557157A1 (fr) * 1992-02-21 1993-08-25 Arjo Wiggins S.A. Feuille comportant des marques apparaissant en filigrane
WO1993022496A1 (fr) * 1992-04-24 1993-11-11 Vadeko International Incorporated Appareil et procede pour realiser une feuille continue en un materiau fibreux que l'on peut authentifier
DE4334848C1 (de) * 1993-10-13 1995-01-05 Kurz Leonhard Fa Wertpapier mit Fenster
EP0825297A1 (fr) * 1996-03-12 1998-02-25 Tokushu Paper Mfg. Co., Ltd Feuille anti-contrefa ons et son procede de fabrication
EP0860298A2 (fr) * 1993-05-01 1998-08-26 Giesecke & Devrient GmbH Papier de sécurité
US5961152A (en) * 1997-05-29 1999-10-05 The Standard Register Company Security paper having an embedded and deformed security thread and a process for making the security paper
US6199911B1 (en) 1997-04-03 2001-03-13 De La Rue International Limited Security element for security paper
US6402888B1 (en) 1993-03-02 2002-06-11 Arjo Wiggins Security paper comprising localized areas with reduced thickness and opacity, and method for making same
US6438262B1 (en) 1996-02-05 2002-08-20 Mars Incorporated Security document validation
US6495295B1 (en) * 1999-01-19 2002-12-17 Dai Nippon Printing Co., Ltd. Hologram transfer film
US6761378B2 (en) 2000-05-03 2004-07-13 Hologram Industries (S.A.) Apparatus for maintaining the security of a substrate
EP0723501B2 (fr) † 1993-10-13 2005-05-25 Leonhard Kurz Gmbh & Co. Document fiduciaire a fenetre
US7049267B2 (en) 2001-03-16 2006-05-23 Mitsubishi Hitec Paper Flensburg Gmbh Heat-sensitive recording sheet and the use thereof

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2048186T3 (es) 1988-03-04 1994-03-16 Gao Ges Automation Org Elemento de seguridad en forma de un hilo o de una banda para su incorporacion en documentos de seguridad y procedimiento para su fabricacion.
DE3843076A1 (de) * 1988-12-21 1990-07-05 Gao Ges Automation Org Sicherheitselement zum schutz von dokumenten gegen unerlaubte reproduktion
ES2060488B1 (es) * 1991-11-28 1995-12-16 Nacional Moneda Timbre Instalacion para la fabricacion de documentos de seguridad y documentos de seguridad obtenidos con dicha instalacion.
ES2064238B1 (es) * 1992-11-24 1997-08-01 Nacional Moneda Timbre Procedimiento para la obtencion de papel de seguridad.
DE4334797C2 (de) * 1993-08-28 1997-07-10 Klaus Herbst Verfahren zur Echtheitsprüfung von Dokumenten, dafür geeignetes, fälschungssicheres Dokument aus Papier sowie Verfahren zur Herstellung eines derartigen Dokuments
ES2141837T3 (es) * 1993-09-28 2000-04-01 Arjo Wiggins Sa Papel de seguridad que presenta una zona transparente de opacidad sensiblemente nula.
FR2741089B1 (fr) * 1995-11-10 1997-12-26 Arjo Wiggins Sa Feuille de securite d'epaisseur sensiblement constante
ES2142721B1 (es) * 1997-03-11 2000-11-16 Vilaseca S A J Procedimiento para la fabricacion de una lamina de papel de seguridad.
DE10163381A1 (de) 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Sicherheitspapier sowie Verfahren und Vorrichtung zu seiner Herstellung
DE10226114A1 (de) 2001-12-21 2003-07-03 Giesecke & Devrient Gmbh Sicherheitselement für Sicherheitspapiere und Wertdokumente
DE10202035B4 (de) 2002-01-18 2018-10-18 Giesecke+Devrient Currency Technology Gmbh Sicherheitselement mit Farbkippeffekt und magnetischen Eigenschaften, Gegenstand mit einem solchen Sicherheitselement sowie Verfahren zur Herstellung des Sicherheitselements und des Gegenstands.
AT412078B (de) 2002-04-08 2004-09-27 Oebs Gmbh Wertdokument
CH696744A5 (de) * 2003-07-07 2007-11-15 Landqart Sicherheitspapier und Verfahren zu dessen Herstellung.
FR2861101B1 (fr) 2003-10-15 2007-06-15 Arjo Wiggins Papier de securite multijet
DE102004014778A1 (de) 2004-03-26 2005-10-13 Leonard Kurz Gmbh & Co. Kg Sicherheits- und/oder Wertdokument
ITVR20040104A1 (it) 2004-06-16 2004-09-16 Cartiere Fedrigoni & C Spa Apparecchiatura per la produzione di carta di sicurezza e relativo procedimento
FR2873134B1 (fr) * 2004-07-15 2011-07-15 Arjowiggins Structure tricotee destinee a etre incorporee dans un materiau en feuille et materiau en feuille incorporant une telle structure
GB0419157D0 (en) 2004-08-27 2004-09-29 Rue De Int Ltd A method of manufacturing a fibrous substrate incorporating an elongate element
DE102005032815A1 (de) 2005-07-12 2007-01-18 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Sicherheitspapiers, Papiersieb und Formelement für Papiersieb
FR2889853B1 (fr) * 2005-08-16 2007-10-12 Arjowiggins Soc Par Actions Si Materiau en feuille et procede de fabrication.
FR2891761B1 (fr) * 2005-10-06 2008-04-04 Arjowiggins Security Soc Par A Procede de fabrication d'un materiau en feuille comportant au moins une fenetre.
GB0525888D0 (en) 2005-12-20 2006-02-01 Rue De Int Ltd Improvements in methods of manufacturing security substrates
FR2897078B1 (fr) 2006-02-09 2011-08-19 Arjowiggins Materiau en feuille comportant au moins un filigrane avec une nuance coloree.
FR2901813B1 (fr) * 2006-06-06 2011-02-18 Arjowiggins Security Materiau en feuille comportant une fenetre, son procede de fabrication, et document de securite le comprenant
FR2903706B1 (fr) 2006-07-13 2010-02-05 Arjowiggins Feuille comprenant une partie en matiere plastique et une partie en matiere fibreuse.
FR2907136B1 (fr) * 2006-10-12 2010-01-15 Arjowiggins Ruban de securite, feuille et document de securite le comportant et procede d'incorporation
FR2918679B1 (fr) 2007-07-11 2017-12-01 Arjowiggins Licensing Sas Procede de fabrication d'un materiau en feuille.
FR2925534B1 (fr) 2007-12-24 2010-02-12 Arjowiggins Licensing Sas Structure de securite comportant des cristaux liquides nematiques
FR2925924B1 (fr) 2007-12-28 2011-04-29 Arjowiggins Licensing Sas Papier de securite
CN101748638B (zh) * 2008-12-01 2012-05-30 中国印钞造币总公司 复合水印防伪纸及其制造方法
FR2940179B1 (fr) 2008-12-23 2017-06-02 Arjowiggins Document de securite comportant au moins une image combinee et un moyen de revelation, et procede associe.
FR2948218B1 (fr) 2009-07-17 2011-11-11 Arjowiggins Security Element de securite a effet de parallaxe
FR2948216B1 (fr) 2009-07-17 2011-11-25 Arjowiggins Security Element de securite a effet de parallaxe
FR2948217B1 (fr) 2009-07-17 2011-11-11 Arjowiggins Security Element de securite a effet de parallaxe
FR2954344B1 (fr) 2009-12-17 2012-07-20 Arjowiggins Security Poudre pigmentaire a base de lanthanides.
FR2960005B1 (fr) 2010-05-12 2012-07-20 Arjowiggins Security Document de securite comportant un filigrane ou pseudo-filigrane, une image combinee et une trame de revelation, et procedes associes.
FR2961621B1 (fr) 2010-06-22 2014-09-05 Arjowiggins Security Procede d'authentification et/ou d'identification d'un article de securite
FR2961622B1 (fr) 2010-06-22 2013-02-08 Arjowiggins Security Procede d'authentification et/ou d'identification d'un article de securite.
DE102010034693A1 (de) * 2010-08-18 2012-02-23 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Sicherheitspapiers sowie Rundsieb dafür
FR2993204B1 (fr) 2012-07-16 2018-02-02 Oberthur Fiduciaire Sas Structure de securite.
DE102013008082A1 (de) * 2013-05-10 2014-11-13 Giesecke & Devrient Gmbh Wert- und Sicherheitsdokument mit einem Wasserzeichen und einem Sicherheitsfaden
GB2531584B (en) * 2014-10-23 2019-07-10 Portals De La Rue Ltd Improvements in security papers and documents
CN104480790B (zh) * 2014-11-04 2016-06-01 保定钞票纸业有限公司 防伪纸
FR3046111B1 (fr) 2015-12-29 2022-03-25 Arjowiggins Security Article securise comportant une trame de revelation et une image combinee
FR3046110B1 (fr) * 2015-12-29 2022-03-25 Arjowiggins Security Article securise comportant une image combinee et/ou une trame de revelation
FR3046109B1 (fr) 2015-12-29 2022-02-18 Arjowiggins Security Article securise comportant une image combinee et/ou une trame de revelation
DE102016001106A1 (de) * 2016-02-02 2017-08-03 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Herstellen eines Sicherheitspapiers mit Wasserzeichen und integriertem Fenstersicherheitselement
DE102016001107A1 (de) * 2016-02-02 2017-08-03 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Herstellen eines Sicherheitspapiers mit zwei Fenstersicherheitselementen
DE102017001347A1 (de) 2017-02-10 2018-08-16 Giesecke+Devrient Currency Technology Gmbh Datenträger mit Fenstersicherheitselement
EP3421663B1 (fr) 2017-06-29 2019-07-24 KBA-NotaSys SA Procédé de traitement d'une bande de substrat dans des feuilles individuelles pour la production de documents de sécurité et installation pour sa mise en oeuvre
DE102018123773A1 (de) 2018-09-26 2020-03-26 Koenig & Bauer Ag Verfahren zum Teilen und Kategorisieren zumindest eines Substrats und eine Substratkategorisierungsmaschine
DE102019003281A1 (de) 2019-05-09 2020-11-12 Giesecke+Devrient Currency Technology Gmbh Elektrisch leitendes Papiergefüge, Verfahren zum Herstellen desselben und Verwendung
FR3120567B1 (fr) 2021-03-12 2023-04-14 Oberthur Fiduciaire Sas Article de sécurité ou ensemble d’un article de sécurité et d’un autre objet comportant une première et une deuxième trame
DE102022130277A1 (de) 2022-11-16 2024-05-16 Giesecke+Devrient Currency Technology Gmbh Elektrisch leitendes Papiergefüge, Verfahren zum Herstellen desselben und Verwendung

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EP0319157A2 (fr) * 1987-12-04 1989-06-07 Portals Limited Papier de sûreté pour des billets de banque et produits similaires
US4943093A (en) * 1987-12-04 1990-07-24 Portals Limited Security paper for bank notes and the like
EP0319157A3 (fr) * 1987-12-04 1991-03-20 Portals Limited Papier de sûreté pour des billets de banque et produits similaires
US5093184A (en) * 1989-06-02 1992-03-03 Portals Limited Security paper with metallic patterned elongated security element
EP0453131A2 (fr) * 1990-04-12 1991-10-23 Crown Paper Co. Papier de sécurité et méthode pour sa fabrication
EP0453131A3 (en) * 1990-04-12 1992-04-29 James River Corporation Security paper and method of manufacturing same
EP0486065A1 (fr) * 1990-11-16 1992-05-20 GAO Gesellschaft für Automation und Organisation mbH Papier fiduciaire et son procédé de fabrication
US5567276A (en) * 1990-11-16 1996-10-22 Gao Gesellschaft Fuer Automation Und Organisation Mbh Paper of value and a method of producing it
US5405500A (en) * 1991-10-25 1995-04-11 Portals Limited Method for making sheet materials and security paper
GB2260772B (en) * 1991-10-25 1995-05-10 Portals Ltd Method for making sheet materials and security paper
GB2260772A (en) * 1991-10-25 1993-04-28 Portals Ltd Method for making sheet materials such as security paper
EP0549384A1 (fr) * 1991-12-09 1993-06-30 Arjo Wiggins S.A. Procédé pour la fabrication d'un papier comportant des zones localisées d'épaisseur et d'opacité réduites et papier ainsi obtenu
FR2684698A1 (fr) * 1991-12-09 1993-06-11 Arjo Wiggins Sa Procede pour la fabrication d'un produit comportant des zones localisees d'opacite reduite et papier ainsi obtenu.
EP0557157A1 (fr) * 1992-02-21 1993-08-25 Arjo Wiggins S.A. Feuille comportant des marques apparaissant en filigrane
WO1993022496A1 (fr) * 1992-04-24 1993-11-11 Vadeko International Incorporated Appareil et procede pour realiser une feuille continue en un materiau fibreux que l'on peut authentifier
US6402888B1 (en) 1993-03-02 2002-06-11 Arjo Wiggins Security paper comprising localized areas with reduced thickness and opacity, and method for making same
EP0860298B1 (fr) * 1993-05-01 2002-07-31 Giesecke & Devrient GmbH Papier de sécurité et méthode de fabrication d'un papier de sécurité
EP0860298A2 (fr) * 1993-05-01 1998-08-26 Giesecke & Devrient GmbH Papier de sécurité
DE4334848C1 (de) * 1993-10-13 1995-01-05 Kurz Leonhard Fa Wertpapier mit Fenster
EP0723501B2 (fr) † 1993-10-13 2005-05-25 Leonhard Kurz Gmbh & Co. Document fiduciaire a fenetre
US6438262B1 (en) 1996-02-05 2002-08-20 Mars Incorporated Security document validation
EP0825297A1 (fr) * 1996-03-12 1998-02-25 Tokushu Paper Mfg. Co., Ltd Feuille anti-contrefa ons et son procede de fabrication
US6199911B1 (en) 1997-04-03 2001-03-13 De La Rue International Limited Security element for security paper
US5961152A (en) * 1997-05-29 1999-10-05 The Standard Register Company Security paper having an embedded and deformed security thread and a process for making the security paper
US6495295B1 (en) * 1999-01-19 2002-12-17 Dai Nippon Printing Co., Ltd. Hologram transfer film
US6761378B2 (en) 2000-05-03 2004-07-13 Hologram Industries (S.A.) Apparatus for maintaining the security of a substrate
US7049267B2 (en) 2001-03-16 2006-05-23 Mitsubishi Hitec Paper Flensburg Gmbh Heat-sensitive recording sheet and the use thereof

Also Published As

Publication number Publication date
DE3601114A1 (de) 1987-07-23
ES2022153B3 (es) 1991-12-01
ATE63584T1 (de) 1991-06-15
DE3769999D1 (de) 1991-06-20
EP0229645A1 (fr) 1987-07-22

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