EP0192567B1 - Procédé de protection de documents de sécurité - Google Patents
Procédé de protection de documents de sécurité Download PDFInfo
- Publication number
- EP0192567B1 EP0192567B1 EP86400316A EP86400316A EP0192567B1 EP 0192567 B1 EP0192567 B1 EP 0192567B1 EP 86400316 A EP86400316 A EP 86400316A EP 86400316 A EP86400316 A EP 86400316A EP 0192567 B1 EP0192567 B1 EP 0192567B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- pigment
- protective layers
- support
- holes
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 8
- 239000000123 paper Substances 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 108010010803 Gelatin Proteins 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- 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
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/455—Associating two or more layers using heat
-
- 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
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/351—Translucent or partly translucent parts, e.g. windows
-
- B42D2033/04—
-
- B42D2033/22—
-
- B42D2033/28—
-
- B42D2035/06—
-
- B42D2035/08—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/904—Credit card
Definitions
- the present invention relates to a document protection method intended in particular, but not exclusively for the protection of security documents such as passports or identity cards as well as the documents obtained by this method.
- EP-A-0 013 418 is described a method for manufacturing a card comprising two transparent outer protective layers, for example polyvinyl chloride, two inner layers between which a protective layer is introduced which is perforated or porous so to let penetrate the fusible material constituting the interior layers, which achieves sealing.
- two transparent outer protective layers for example polyvinyl chloride
- US-A-3,836,754 describes an identification card having several ranges with different optical transmission coefficients for a light of given wavelength, holes which can be filled with colored gelatin to produce said different optical transmission .
- US-A-3,802,101 describes a coded identity card including a sheet of metal spoke pierced with openings covered with transparent plastic sheets.
- the information necessary for identification is carried by any means and, for example by printing and / or transfer by decal of photographic germs on a paper or cardboard support possibly covered with a layer of polyethylene or gelatin and on which is , preferably, pre-printed a security background.
- the substrate thus obtained is then coated on the front or back with one or more impermeable protective layers.
- the paper is covered with a complex of polyester and polyethylene.
- the adhesion of the protective layers to the substrate is obtained by heat-sealing.
- the object of the present invention is to overcome this drawback and to instantly reveal any fraudulent attempt to modify the original information.
- the process for protecting documents against forgery is characterized in that it consists in perforating in the substrate a set of blind micro-holes and in introducing into the holes a pigment soluble in the solvents of the protective layers.
- microholes are not normally visible on the finished document.
- the formation of micro-holes allows the solvent or mixture of solvents to penetrate inside the holes and dissolve the pigment.
- these micro-holes locally break the surface waterproofing layer of glazing, for example made of polyethylene.
- the pigment solution in the solvent encounters untreated and therefore absorbent paper. This absorption of the solution by the paper, which then behaves like blotting paper, results in the appearance of permanent stains inside the paper itself. We immediately know if the card has been soaked in a solvent or if it is still in its original state.
- the microholes are arranged on the card so as to form a character "C", "A” or a word and, for example, "CANCELED". The identification of counterfeiting is thus made even more evident.
- the information medium 3 consisting of a sheet of paper or cardboard is covered with protective layers, for example made of transparent plastics 1, 2,4 and 5.
- the layers 1 and 5 are, for example, polyester layers and layers 2 and 4 polyethylene layers.
- the sheet 3 can itself be covered with gelatin or with a polyethylene support of two to three microns, intended to receive information by transfer, in particular photographic according to the method known as DTR (Direct Transfer Reversal according to the terminology American).
- the paper support (3) is pre-printed with a security background possibly incorporating photophores or any other detection means on at least one of its faces.
- the substrate before the heat-bonding of the protective layers 1, 2, 4, 5, the substrate bearing all the necessary indications, the substrate is perforated by at least one micro-hole 6 whose scale, on Fig. 1 has been considerably enlarged.
- the holes 6 can be blind or through.
- This ration is advantageously carried out on the card-making machine itself, for example by means of needle rollers loaded with pigment particles or an infinitesimal quantity of paste.
- the roller turns on the surface of the card so that the pigmentary material is introduced into the microholes by the needles.
- the material can be transferred by a device known as a three-cylinder.
- the spots 8 may be, for example blue red or black. It is the power of dispersion of the pigment in the solvents which allows revealing spots 8 to be obtained almost instantaneously.
- the microholes can be arranged in any way, but preferably one (or a line of) microhole (s) is provided in the vicinity of the corners of the card so that it is not possible to falsify even one part of it by lifting the protective layers on one of the sides.
Description
- La présente invention a pour objet un procédé de protection de documents destiné en particulier, mais non exclusivement à la protection de documents de sécurité tels que les passeports ou cartes d'identité ainsi que les documents obtenus selon ce procédé.
- On sait que de tels documents, établis par les administrations nationales, doivent présenter toutes les garanties possibles d'inviolabilité afin d'établir d'une manière sûre et certaine l'identité du porteur.
- Dans EP-A-0 013 418 est décrit un procédé de fabrication d'une carte comprenant deux couches extérieures transparentes de protection par exemple en chlorure de polyvinyle, deux couches intérieures entre lesquelles on introduit une couche de protection qui est perforée ou poreuse de manière à laisser pénétrer le matériau fusible constituant les couches intérieures, ce qui réalise en scellement.
- Le brevet US-A-3 836 754 décrit une carte d'identification présentant plusieurs plages à coefficients de transmission optique différentes pour une lumière de longueur d'onde donnée, des trous pouvant être remplis d'une gélatine colorée pour produire ladite transmission optique différente.
- Le brevet US-A-3 802 101 décrit une carte d'identité codée incluant une feuille de rayon métallique percée d'ouvertures recouverte de feuilles plastiques transparentes.
- On a déjà proposé de constituer ces documents de la manière suivante:
- les informations nécessaires à l'identification sont portées par tout moyen et, par exemple par impression et/ou transfert par décalcomanie de germes photographiques sur un support en papier ou en carton éventuellement recouvert d'une couche de polyéthylène ou de gélatine et sur lequel est, de préférence, pré-imprimé un fond de sécurité. Le substrat ainsi obtenu ensuite revêtu au recto ou au verso d'une ou plusieurs couches de protection indéfoliables. Dans une carte d'identitié de type connu, le papier est recouvert par un complexe de polyester et de polyéthylène. L'adhérence des couches de protection sur le substrat est obtenue par thermoscel- lage.
- Dans ces conditions, si un contrefacteur désire atteindre l'information enregistrée sur la carte, il lui est nécessaire de tremper celle-ci dans un bain contenant au moins un solvant connu du polyéthylène tel que: le xylène, l'acétone, la méthylé- thylcétone, les alcools benzéniques etc. ou du complexe qui dissout celui-ci en un temps de quelques heures, ce qui lui permet d'avoir accès au papier sur lequel subsistent, parfois, des traces de polyéthylène. Après modification du document, il reconstitue les couches de protection de manière à ce que l'aspect du document soit le même qu'à l'origine.
- La présente invention a pour objet de pallier cet inconvénient et de révéler instantanément toute tentative frauduleuse de modification des informations d'origine.
- Selon la présente invention, le procédé de protection de documents contre la falsification est caractérisé en ce qu'il consiste à perforer dans le substrat un ensemble de microtrous borgnes et à introduire dans les trous un pigment soluble dans les solvants des couches de protection.
- Les microtrous ne sont pas normalement apparents sur le document terminé. Par contre, la formation de microtrous permet au solvant ou au mélange de solvants de pénétrer à l'intérieur des trous et de dissoudre le pigment. De plus, ces microtrous brisent localement la couche imperméable superficielle de glaçage, par exemple en polyéthylène. Il en résulte que le long des parois des microtrous la solution de pigment dans le solvant rencontre un papier non traité et par suite absorbant. Cette absorbtion de la solution, par le papier qui se comporte alors comme du papier buvard, se traduit par l'apparition de taches indélébiles à l'intérieur même du papier. On sait ainsi immédiatement si la carte a été trempée dans un solvant ou si elle est encore dans son état original.
- Selon une autre caractéristique de la présente invention, les microtrous sont disposés sur la carte de manière à former un caractère "C", "A" ou un mot et, par exemple, "ANNULE". L'identification de la contrefaçon est ainsi rendue encore plus évidente.
- D'autres caractéristiques et avantages de la présente invention apparaîtront au cours de la description qui va suivre d'un mode particulier de réalisation, donné uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent:
- -La Fig. 1, une vue en coupe verticale d'une partie de carte mettant en oeuvre l'invention;
- -La Fig. 2, une vue par-dessus d'une carte ayant subi une tentative de falsification.
- Sur la Fig. 1, on voit que le support d'information 3 constitué par une feuille de papier ou de carton est recouvert de couches de protection par exemple en matières plastiques transparentes 1, 2,4 et 5. Les couches 1 et 5 sont, par exemple, des couches de polyester et les couches 2 et 4 des couches de polyéthylène. La feuille 3 peut elle-même être recouverte de gélatine ou d'un support de polyéthylène de deux à trois microns, destiné à recevoir des informations par transfert, notamment photographique selon le procédé connu sous le nom de DTR (Direct Transfert Reversal selon la terminologie américaine). De préférence, le support papier (3) est pré-imprimé avec un fond de sécurité incorporant éventuellement des photophores ou tout autre moyen de détection sur au moins l'une de ses faces.
- Conformément à l'invention, avant le thermo- collage des couches 1, 2, 4, 5 de protection, le substrat portant toutes les indications nécessaires, on procède à la perforation du substrat par au moins un microtrou 6 dont l'échelle, sur la Fig. 1 a été considérablement agrandie. Les trous 6 peuvent être borgnes ou débouchants. Cette opération est avantageusement effectué sur la machine même de fabrication des cartes, par exemple au moyen de roulettes à aiguilles chargées de particules de pigment ou d'une quantité infinitésimale de pâte. Au cours de déplacement de la carte, la roulette tourne sur la surface de la carte de sorte que la matière pigmentaire est introduite dans les microtrous par les aiguilles. La matière peut être reportée par un dispositif connu sous le nom de tricylindre.
- Lorsqu'au cours d'une manoeuvre frauduleuse un contrefacteur essaye de dissoudre les couches de polyéthylène dans un bain de solvants, ceux-ci atteignent les trous 6 et pénètrent à l'intérieur de ceux-ci où ils dissolvent les pigments, la paroi interne des trous 6 absorbe la solution colorée ainsi formée et apparaissent, comme celà est représenté sur la Fig. 2, par capillarité des taches ou auréoles 8 dans la masse même du papier, les taches 8 pouvant être, par exemple bleues rouges ou noires. C'est le pouvour de dispersion du pigment dans les solvants qui permet d'obtenir quasi instantément les taches 8 révélatrices. Les microtrous peuvent être disposés d'une manière quelconque mais on prévoit de préférence un (ou une ligne de) microtrou(s) au voisinage des angles de la carte afin qu'il ne soit pas possible de falsifier ne serait-ce qu'une partie de celle-ci en soulevant les couches de protection sur l'un des côtés.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86400316T ATE52968T1 (de) | 1985-02-15 | 1986-02-14 | Verfahren zum schuetzen von sicherheitsdokumenten. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8502172 | 1985-02-15 | ||
FR8502172A FR2577582B1 (fr) | 1985-02-15 | 1985-02-15 | Procede de protection de documents de securite et documents obtenus selon ce procede. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0192567A1 EP0192567A1 (fr) | 1986-08-27 |
EP0192567B1 true EP0192567B1 (fr) | 1990-05-23 |
Family
ID=9316305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86400316A Expired - Lifetime EP0192567B1 (fr) | 1985-02-15 | 1986-02-14 | Procédé de protection de documents de sécurité |
Country Status (5)
Country | Link |
---|---|
US (1) | US4710617A (fr) |
EP (1) | EP0192567B1 (fr) |
AT (1) | ATE52968T1 (fr) |
DE (1) | DE3671412D1 (fr) |
FR (1) | FR2577582B1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5270526A (en) * | 1989-11-02 | 1993-12-14 | Nippon Conlux Co., Ltd. | Card type recording medium and method of preventing a false use thereof |
JPH0776981B2 (ja) * | 1989-11-02 | 1995-08-16 | 株式会社日本コンラックス | カード型記録媒体の記録再生装置及びその不正使用防止方法 |
US5090736A (en) * | 1991-01-28 | 1992-02-25 | Transilwrap Company, Inc. | Multi-sheet laminated identification card with tamper resistant, ultrasonic weldments |
US5209515A (en) * | 1991-02-08 | 1993-05-11 | The Standard Register Company | Solvent and/or pressure sensitive security document |
FR2675742B1 (fr) * | 1991-04-29 | 1994-05-27 | Louis Vernhet | Produit pour la protection d'un document contre les falsifications. |
US5304587A (en) * | 1991-12-19 | 1994-04-19 | Moore Business Forms, Inc. | Water resistant security ink composition |
US6086707A (en) * | 1996-02-29 | 2000-07-11 | Raytheon Company | Method for making an identification document |
US5720801A (en) * | 1996-11-06 | 1998-02-24 | Nadan; Wendy | Water resistant security ink composition |
CN1088880C (zh) * | 1998-01-25 | 2002-08-07 | 北京超能重离子科技有限责任公司 | 一种防伪方法及其防伪制品 |
GB2345264B (en) * | 1998-12-29 | 2001-01-24 | Rue De Int Ltd | Improvement in security features |
US20050064151A1 (en) * | 2003-09-18 | 2005-03-24 | Rajendra Mehta | Ink jet printable security document |
JP4973248B2 (ja) * | 2007-03-12 | 2012-07-11 | 大日本印刷株式会社 | 反射パターン印刷透明シート |
ES2434144B1 (es) * | 2012-05-11 | 2014-09-16 | Signe, S.A. | Sello de seguridad. |
US11842237B2 (en) | 2020-06-29 | 2023-12-12 | Capital One Services, Llc | Biodegradable cards and systems and methods for making the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1615566A (en) * | 1923-01-12 | 1927-01-25 | Brewer Charles Blount | Method of protecting financial securities |
DE413926C (de) * | 1924-10-10 | 1925-05-22 | Benecke & Co Fa A | Verfahren der Herstellung von gegen Faelschung gesicherten Druckstuecken |
FR2058515A6 (en) * | 1969-09-11 | 1971-05-28 | Ind Bureau Cie Fse | Plastic identity card |
US3802101A (en) * | 1972-02-03 | 1974-04-09 | Transaction Technology Inc | Coded identification card |
US3836754A (en) * | 1972-09-18 | 1974-09-17 | F Toye | Coded card employing differential translucencies |
DE2856833A1 (de) * | 1978-12-30 | 1980-07-17 | Hoechst Ag | Identifikationskarte und verfahren zu ihrer herstellung |
JPS5658750A (en) * | 1979-10-18 | 1981-05-21 | Fuji Elelctrochem Co Ltd | Digital control type brushless constant speed motor |
DE3233678A1 (de) * | 1982-09-09 | 1984-03-15 | Georg 4520 Welling-Holzhausen Willmann | Mit einem foto des inhabers ausgestattete identifizierungskarte |
-
1985
- 1985-02-15 FR FR8502172A patent/FR2577582B1/fr not_active Expired
-
1986
- 1986-02-14 AT AT86400316T patent/ATE52968T1/de not_active IP Right Cessation
- 1986-02-14 EP EP86400316A patent/EP0192567B1/fr not_active Expired - Lifetime
- 1986-02-14 DE DE8686400316T patent/DE3671412D1/de not_active Expired - Lifetime
- 1986-05-23 US US06/866,370 patent/US4710617A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE52968T1 (de) | 1990-06-15 |
FR2577582A1 (fr) | 1986-08-22 |
EP0192567A1 (fr) | 1986-08-27 |
FR2577582B1 (fr) | 1987-11-27 |
DE3671412D1 (de) | 1990-06-28 |
US4710617A (en) | 1987-12-01 |
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