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EP1451791B1 - Etiquette a securite amelioree contre la falsification - Google Patents

Etiquette a securite amelioree contre la falsification Download PDF

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Publication number
EP1451791B1
EP1451791B1 EP01990438A EP01990438A EP1451791B1 EP 1451791 B1 EP1451791 B1 EP 1451791B1 EP 01990438 A EP01990438 A EP 01990438A EP 01990438 A EP01990438 A EP 01990438A EP 1451791 B1 EP1451791 B1 EP 1451791B1
Authority
EP
European Patent Office
Prior art keywords
label
layer
laser
lacquer layer
film
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
EP01990438A
Other languages
German (de)
English (en)
Other versions
EP1451791A1 (fr
Inventor
Michael BLÜMEL
Arne Koops
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.)
Tesa SE
Original Assignee
Tesa SE
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 Tesa SE filed Critical Tesa SE
Publication of EP1451791A1 publication Critical patent/EP1451791A1/fr
Application granted granted Critical
Publication of EP1451791B1 publication Critical patent/EP1451791B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness

Definitions

  • the invention relates to a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer is a label with increased Whyta paint layer, in particular of thermosetting paint for laser marking.
  • the characters should be so rich in contrast that they can be read error-free even in unfavorable conditions over long distances.
  • High temperature resistance should be given, for example to over 200 ° C. Good resistance to weathering, water and solvents is desired.
  • a multilayer label of a thin and a thick self-supporting, opaque pigmented lacquer layer is disclosed. Both layers consist of an electron beam-hardened solvent-free applied paint, wherein the layer thicknesses are different.
  • the labeling of the label takes place in that with the aid of a laser, the upper thinner lacquer layer is burned away, so that the lower thicker lacquer layer is visible, the lower layer preferably has a contrasting color to the former.
  • This lettering is a type of engraving, which eliminates the manipulation possibilities as with traditional printing with inks and inks.
  • the label is due to the raw materials used and the manufacturing process set so brittle that removal of the same from the adhesive substrates is possible only with destruction.
  • Such laser labels are used especially for a rational and variable labeling for the production of sign sets.
  • These sets of signs contain the complete number of labels that are required, for example, in a motor vehicle for components subject to mandatory labeling (VIN plate, signs for tire pressure, trunk load, characteristics for engines and units, etc.).
  • EP 0 645 747 A shows a laser-inscribable multilayer label material which comprises a first layer, a second layer differing optically from the first layer, wherein the first layer is laser-irradiated in accordance with a desired font or print image to visualize the surface the second layer is removable. Between the layers, a transparent plastic film forming a carrier layer is furthermore arranged
  • DE 44 21 865 A1 shows a Ein harshlaseretikett of a carrier layer made of plastic, which contains an additive which shows a color change under laser irradiation
  • the carrier layer is coated on one side with a self-adhesive, which is optionally covered with a release paper or a release film.
  • Labels in the automotive industry play a very important role, because the marking of vehicles, vehicle parts and other original components, especially in the automotive industry, is a given requirement of the market due to the necessity of the proof of origin and the traceability.
  • the laser foil as known from DE G 81 30 861 and obtainable, for example, as tesa 6930® from the company Beiersdorf, as already stated, offers the best prerequisites for documenting possible manipulation attempts, and thus because of its very brittle product structure to thwart.
  • the laser-printed label can only be removed at a very high cost and under certain conditions in a non-destructive way from its original bonding substrate. This effort is so high that the said label all common Ablös Hampshires phenomenonen the main testing institutions such as "Examination of factory plates from plates, sheets and foils and their attachment by gluing" of the Federal Motor Transport Authority and "Marking and Labeling System Materials MH 18055" by Underwriters Laboratories Inc. without any problems.
  • the object of the invention is to provide a label which meets the above requirement of improved security against counterfeiting and furthermore has in particular high contrast, high resolution, high temperature resistance and easy application.
  • the invention relates to a label with increased anti-counterfeiting security from at least one lacquer layer, obtainable in that the lacquer layer is preferably applied solvent-free on a printed support carrier film and then cured.
  • the lacquer layer is self-supporting and opaque pigmented and if the lacquer layer is electron beam hardened.
  • the support carrier film is a plastic film, in particular of polyester.
  • the printing of the support carrier film takes place in particular by the flexographic printing process, because the UV flexographic printing process has a very high degree of freedom with regard to the design of geometries and can provide good print quality, especially for web-like materials from paper to film at the lowest possible price.
  • the UV flexographic printing process has a very high degree of freedom with regard to the design of geometries and can provide good print quality, especially for web-like materials from paper to film at the lowest possible price.
  • a cliché provided with the logos and fonts is wetted with printing ink and transferred to a plastic film.
  • the ink can then be cured by physical activation (thermal, radiation chemistry) on the film.
  • the color should undergo a high adhesion to the film substrate; this is indispensable for further processing.
  • a pressure anchorage must be checked before further processing. For this one uses the cross-hatch test (DIN EN ISO 2409). The pressure should reach at least one rating of Gt 02 in the crosshatch test.
  • the corona treatment can be selected, which can be used inline printing.
  • the surface tension should be set to> 50 mN / m. This can be measured with standard test inks.
  • the UV curing should have a percentage power setting between 50% and 100% in order to ensure sufficient flexibility of the printing for the further processing processes.
  • the print should have a height of 0.1 ⁇ m to 15 ⁇ m. Preferably, a height of 1 to 5 microns to choose. Also, the pressure impression and expression can be varied by the course of the pressure points.
  • the other conventional printing methods can be used, which are known as high-pressure process. These include book and screen printing.
  • the backing film can be printed with a variety of designs, such as company logos or advertising.
  • the printing of the support carrier film produces a negative impression on the visible surface of the first lacquer layer of the label according to the invention.
  • the impression of the printed support carrier foil in the first lacquer layer is present as a depression of 0.1 to 15 ⁇ m, preferably of 1 to 5 ⁇ m.
  • the carrier layer consists of a lacquer, in particular of a cured lacquer, preferably a radiation-cured lacquer, in particular of an electron beam-cured polyurethane acrylate lacquer.
  • the carrier layer is made of a polybutylene terephthalate
  • the carrier layer preferably has a thickness of 10 to 200 .mu.m, in particular from 50 to 100 .mu.m.
  • Suitable carrier layers continue to consist of plastics such as polyesters, poly (meth) acrylates, polycarbonate and polyolefins and radiation-curable systems such as unsaturated polyesters, epoxy, polyester and urethane acrylates, as well as for UV printing inks Application, in particular those of a base polymer according to DE G 81 30 861, namely aliphatic urethane acrylate oligomers.
  • the additive may be a pigment, especially copper hydroxide phosphate or iriodine, and may be used in addition to the titanium dioxide additive.
  • the additive can be used.
  • Suitable additives are, in particular, color pigments and metal salts, in particular copper hydroxide phosphate or else iriodin, a pearlescent pigment, such as is commercially available from Merck. These additives are added to the base polymer (as described, for example, in DE G 81 30 861), in particular of the order of a few parts per thousand up to a maximum of 10 percent, preferably in amounts of 0.1 to 10 percent by weight, in particular 0.5 up to 5% by weight, based on the total weight of the carrier layer, admixed. After production of sheet material by known methods such as extrusion, casting, coating, etc. with optionally subsequent radiation-chemical crosslinking, such films are coated with self-adhesive compositions which are to be adapted to later application purposes.
  • a cover with siliconized release paper then gives the typical structure for starting material from which labels can be made.
  • a second, in particular self-supporting, opaque pigmented lacquer layer is preferably applied solvent-free on the first lacquer layer, which is then in particular electron beam hardened.
  • the second lacquer layer contains an additive of at least 5% by weight, preferably 7% by weight, which is fluorescent or phosphorescent or which is suitable for magnetic or electrical labeling.
  • a color with a fluorescent or phosphorescent additive is printed on the first lacquer layer or on the side of the second lacquer layer opposite the first lacquer layer.
  • a suitable additive can be incorporated in the second lacquer layer which is decisive for the writing.
  • the first lacquer layer itself for example for the glossy type plates, thus remains unchanged, only with the laser engraving, the second lacquer layer is partially exposed at the points of the label. If color pigments, colored particles, colored fibers and the like are present in the white second lacquer layer, these become visible at the engraved areas.
  • the coloring particles may be fine color pigments or else preferably visible particles of the order of 0.1 to 5 mm.
  • finely ground color pigments When using finely ground color pigments, a slight color change of the lettering is produced, with the visible particles a characteristic color mosaic.
  • daylight fluorescent colors the "fingerprint" can be recognized without any aids, which is often undesirable. Preference is therefore given to using color pigments or particles which do not absorb in the region of visible light and are therefore invisible under normal circumstances - it is only when the label is illuminated with a lamp of suitable wavelength that the color pigments are excited and light up in a characteristic way.
  • mainly UV-active systems are used.
  • phosphors which are produced by electron beams, X-rays and the like. are stimulated and thermochromic pigments reversibly change color when changing temperature - but in these cases, the implementation of identification on the bonded label in practice cumbersome and expensive than the visualization by means of light of suitable wavelength.
  • the color pigments When selecting the color pigments, care must be taken that they are sufficiently stable for the production process of the labels (film production, adhesive coating) and do not change irreversibly in the process conditions (optionally thermal drying, electron beam or UV curing, etc.). It is advantageous for continuous use of the labels that these usually sensitive phosphors are embedded in a polymer matrix and additionally protected by the cover layer. Further measures against mechanical abrasion as well as protection against direct oxygen and water contact are not necessary.
  • Different color pigments and substances can be used for the application according to the invention.
  • Most widely used are photoluminescent (phosphorescent) or fluorescent pigments which are excited only or predominantly by UV radiation and emit in the visible region of the spectrum (for an overview see, for example, Ullmann's Enzyklopadie der ischen Chemie, 4th Edition, 1979, Verlag Chemie) ,
  • IR-active luminescent pigments are also known. Examples of systems with UV fluorescence are xanthenes, coumarins, naphthalimides, etc., which are sometimes referred to in the literature under the generic term " organic phosphors" or "optical brighteners”.
  • RADGLO® pigments from Radiant Color NV / Holland or Lumilux® CD pigments from Riedel-de-Haen
  • inorganic phosphors are suitable; As long photoluminescent substances, especially with the emission of light in the yellow range, metal sulfides and oxides, usually in combination with suitable activators, have proven favorable. These are available, for example, under the trade name Lumilux® N or as luminescent pigments improved in terms of stability, luminosity and persistence under the trade name LumiNova® from Nemoto / Japan.
  • the label pre-material is available for customer-specific use. After stamping / laser cutting the desired label geometries and the final inscription by laser beam with lettering, barcodes, logos, etc., the label is in its final form.
  • the label When incorporating, for example, long-luminescent pigments into the lacquer layer, the label, after appropriate stimulation of the luminescent pigments, has a characteristic afterglow in the region of the laser inscription and at the edges, which permits easy and rapid identification as original label. Apart from the special light source and, if necessary, a screen against disturbing ambient light, no further complex equipment is necessary - after the test the label remains unchanged.
  • Labels of this type which contain phosphors, especially those emitting only after UV or IR excitation in the visible wavelength range, in the second resist layer are also suitable for precisely fitting production (printing, stamping, application, etc.).
  • the light emission of the paint layer can be used for processing: especially after labeling and cutting the labels by means of laser beam from unpunched roll material excitation and emission can be used in a downstream control unit at a defined location of the label Equipment can be used as a tax stamp for further processing steps or for the production of the next label.
  • a counterfeiting by subsequent manipulation is particularly excluded by the fact that the conductivity measurement can be done not only from edge to edge of the labels, but between any exposed by Belastation points: so that here a conductivity can be detected, the entire resist layer must be consistently three-dimensional conductive which can only be guaranteed in the context of the original manufacturing process.
  • Such a laser-writable label can be produced by adding electrically conductive substances to the formulation of the second lacquer layer; This can be done in addition to the previous pigments or at least partially in replacement of the existing pigments in order to maintain the good processing properties of the paint pastes.
  • electrically conductive metallic, organic, polymeric and inorganic substances are suitable as conductive additives, the use of metals being preferred. Especially for white or light lacquer layers, the own color of the conductive additive has to be considered for the selection.
  • Conductive carbon black is also suitable, but only for black or dark paint layers.
  • a minimum limit concentration of additive should be ensured, so that sufficient particles are present in the lacquer layer to touch and have contact with each other. If this limit concentration is undershot, a conductive path from A to B is no longer ensured in the three-dimensional structure of the base layer. Preference is therefore given to using metallic particles, preference being given to fibers having a high length to cross-sectional ratio, since in this case a three-dimensional one is used with lower concentrations Conductivity can be ensured as with spherical particles; In addition, the color change of the lacquer layer with the fibers is smaller.
  • the metals used are preferably cost-benefit considerations copper, iron, aluminum and steel and their alloys, but also expensive, highly conductive metals such as silver, gold are suitable.
  • the fiber dimensions are 0.1 to 50 mm in length and cross sections of 1 to 100 .mu.m, wherein preferably metal fibers with a diameter of 2 to 20 microns at a cross-sectional to length ratio of about 1: 100 to 1: 1000 are used.
  • Such fibers are incorporated homogeneously with 0.5 to 25 wt .-%, preferably 2 to 10 wt .-% in the known recipe and coated according to DE G 81 30 861 and cured. After adhesive coating and covering with release paper label material is available, which can be labeled by laser beam.
  • the lettering of the second lacquer layer is exposed in the area of the laser inscription - when a voltage is applied via suitable electrode contacts at two different points A and B of these inscriptions, a conductivity is measured that is characteristic of the lacquer layer and, among other things, by quantity and type of conductive additive is determined.
  • a conductivity is measured that is characteristic of the lacquer layer and, among other things, by quantity and type of conductive additive is determined.
  • a color with a fluorescent or phosphorescent additive is printed on the first lacquer layer or on the side of the second lacquer layer opposite the first lacquer layer.
  • special colors with phosphors daylight colors or, in particular, color pigments stimulable by IR or UV radiation are used.
  • the resulting material can be coated with self-adhesive composition by default, dried and covered with release paper.
  • thermochromic pigments which are present in Reversibly change the temperature change; also the use of electrically conductive colors is possible.
  • This additional marking is not visible from the front in the area of the laser inscription (except for a transparent or translucent layer), but only around the label on the edge. In order to ensure a clear recognizability at the label edge, strongly luminous color pigments are printed in sufficient layer thickness. Nevertheless, the additional security is concealed and therefore inconspicuous. This security marking is protected against external access, since the pressure is embedded between the label film and the adhesive layer: subsequent manipulations are not to be feared, since a replacement of the known laser labels is possible only with destruction of the paint film.
  • Customer-specific "fingerprints" of the labels can be realized by printing different colors or patterns. Especially regular lines and line patterns create characteristic patterns of luminous dots on the label edge and are also particularly cost-saving and material-saving. After punching or laser cutting of the label and the application on the adhesive substrates a pattern with respect to colors and geometries can be identified by selecting a suitable illumination source at the edge of the label.
  • the two-layer film material described in DE G 81 30 861 is used.
  • the reverse side is printed over the entire surface, with scattering pressure or, in particular, with defined geometries.
  • Printing inks with a high content of luminescent pigments are preferably applied by screen printing in order to achieve layer thicknesses in the range of 0.5 to 50 ⁇ m, preferably 2 to 25 ⁇ m.
  • the label pre-material for the desired formats and sizes is punched or cut out by laser beam.
  • the first lacquer layer formed by a cured, ie crosslinked lacquer, preferably has a thickness of 1 to 20 .mu.m, in particular 5 to 15 .mu.m, the second lacquer layer preferably having a thickness of 20 to 500 .mu.m, in particular 30 to 100 .mu.m.
  • lacquer in principle, four types can be used for the object according to the invention, provided their stability is sufficient, for example acid-hardening alkydmelamine resins, addition-crosslinking polyurethanes, free-radically curing styrofoam and the like.
  • radiation-curing paints are particularly advantageous, since they cure very quickly without lengthy evaporation of solvents or the action of heat. Such paints have been described for example by A. Vrancken (color and paint 83.3 (1977) 171).
  • Both paint layers have in a preferred embodiment against each other a maximum color contrast.
  • the label according to the invention preferably consists of an opaque upper layer, which can be easily burned by a laser beam, a lower second layer, in particular in a contrasting color to the first, wherein the lower layer is such that it is not easily burned by the laser beam.
  • an additional adhesive layer of 5 to 70 .mu.m in thickness and, if necessary, a release paper are arranged on the second lacquer layer.
  • the third layer of a pressure-sensitive adhesive, hot-melt adhesive or reactive adhesive or the like is intended for bonding to a substrate.
  • the thickness of the adhesive layer is preferably 5 to 70 ⁇ m, in particular 10 to 30 ⁇ m.
  • the first resist layer is applied to the backing sheet and cured by exposure to a high energy electron beam (150 to 500 kV) under effectively oxygen-free conditions.
  • a slightly adhesive surface or a small amount of oxygen can be used to set a slightly adhesive surface.
  • the second is applied and also cured by electron beam.
  • the coating with the adhesive and then, if desired, the cover with the protective paper.
  • the polyester film is peeled off, so that the free surface of the first, upper layer comes to light.
  • this is glossy, smooth, matt or embossed.
  • the label is characterized by a very high counterfeit security due to the special manufacturing process. Because of the printing process, the risk of imitation laser-markable label material with negative impression is very low. It is a fast communication and implementation of counterfeit security possible, so a quick information to all important testing bodies such as workshops, police, customs without special effort.
  • a customer-specific marking is implemented in the first coatable lacquer layer, which is visible, perceptible and measurable as a depression in the lacquer layer.
  • Marking may include various types of graphics and logos, as well as lettering, subject to more extensive test results. Combinations of both are possible. For example, one could bring the logo of the car manufacturer, coupled with the lettering in the film surface. This symbol is scattered across the entire width of the material to ensure that at least one of these tamper-evident symbols is in each label produced (a variable to be defined). As already mentioned, this is a very fine depression of the surface in conjunction with a roughening. The security symbol is therefore recognizable by its languor with the eye and sensory measurable by its depression.
  • This "embossing” is prepared in a step upstream of the actual production process by means of a kind of "negative” and then integrated into the very complex and hardly imitatable production of the standard laser films. Thus, an adjustment of this originality feature is not possible.
  • the first lacquer layer 10 is located on the second thicker lacquer layer 20 and, according to a preferred embodiment, on a layer of an adhesive 30, in particular a pressure-sensitive adhesive, which is covered with a release paper 40.
  • the impressions 11 formed by wiping out the first lacquer layer 10 on a printed support carrier foil can be seen.
  • a regular pattern here is the word " tesa" ®, which is surrounded by a frame.
  • the substrate to be printed in this case a polyester film (Hostaphan RN 75®) from Mitsubishi, is treated before printing by a corona treatment to the desired surface tension.
  • a corona station VETAPHON-Corona-Plus DK-E-Treater ET 2- with an output of 0.2 to 2.0 kW can be used.
  • Advantageous for further processing is the adjustment of the surface tension to> 50 mN / m.
  • the pretreated polyester film is printed on a flexographic printing station at a speed of 30 m / min.
  • the precisely defined ink transfer to the flexographic printing plate is achieved by means of a corresponding anilox roller in the Negative doctor blade method. It then takes place the color transfer from the cliché to the film substrate in a color height of 3 to 4 microns.
  • the application of paint on the film substrate is cured by powerful UV radiation tubes.
  • a UV station UV UV station GEW with a radiator output of 110 W / cm and a wavelength of 365 nm is used.
  • the backing film is now ready for further processing
  • Paste A is coated at a thickness of 10 microns on a 50 micron thick biaxially stretched and embossed polyester film and cured by an electron beam of 350 keV with a dose of 1 Mrad under inert gas.
  • a white paste B with a thickness of 50 microns is applied and cured again with the electron beam under inert gas with a dose of 3 Mrad.
  • polyester film is peeled off, so that the impressed and otherwise mirror-smooth black surface of the product comes to light
  • the contrast is so high that the code over 1 m distance with the evaluation device is to be read error-free.
  • Heating the material to 200 ° C. for 1 hour results in shrinkage of less than 10% in the longitudinal and transverse directions.
  • Immersion in water and / or weathering in the Weathermometer for 500 h leads to no impairment.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)

Claims (8)

  1. Etiquette à sécurité améliorée contre la falsification constituée au moins d'une couche de laque (10, 20), qui peut être obtenue en appliquant la couche de laque sur un film de support imprimé, puis en la durcissant.
  2. Etiquette selon la revendication 1, caractérisée en ce que sur la première couche de laque (10) est appliquée une deuxième couche de laque (20) qui est ensuite durcie.
  3. Etiquette selon les revendications 1 et 2, caractérisée en ce que la première couche de laque (10) présente une épaisseur de 1 à 20 µm, en particulier de 5 à 15 µm, et la deuxième couche de laque (20) une épaisseur de 20 à 500 µm, en particulier de 30 à 100 µm.
  4. Etiquette selon les revendications 1 à 3, caractérisée en ce que les deux couches de laque (10, 20) présentent un contraste de couleur maximum entre elles.
  5. Etiquette selon les revendications 1 à 4, caractérisée en ce que sur la première (10) ou sur la deuxième (20) couche de laque est disposée une couche de colle supplémentaire de 5 à 70 µm d'épaisseur avec, si nécessaire, sur celle-ci un papier de protection.
  6. Etiquette selon les revendications 1 à 5, caractérisée en ce que le film de support est un film de matière plastique, de préférence de polyester.
  7. Etiquette selon les revendications 1 à 6, caractérisée en ce que l'impression (11) du film de support présente une hauteur de 0,1 µm à 15 µm, de préférence une hauteur de 1 µm à 5 µm.
  8. Etiquette selon les revendications 1 à 7, caractérisée en ce que le modelage du film de support imprimé se présente dans la première couche de laque (10) comme un creux de 0,1 à 15 µm, de préférence de 1 à 5 µm.
EP01990438A 2001-11-26 2001-11-26 Etiquette a securite amelioree contre la falsification Expired - Lifetime EP1451791B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/013724 WO2003046866A1 (fr) 2001-11-26 2001-11-26 Etiquette a securite amelioree contre la falsification

Publications (2)

Publication Number Publication Date
EP1451791A1 EP1451791A1 (fr) 2004-09-01
EP1451791B1 true EP1451791B1 (fr) 2007-01-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01990438A Expired - Lifetime EP1451791B1 (fr) 2001-11-26 2001-11-26 Etiquette a securite amelioree contre la falsification

Country Status (6)

Country Link
US (1) US20040247832A1 (fr)
EP (1) EP1451791B1 (fr)
JP (1) JP2005510765A (fr)
DE (1) DE50111983D1 (fr)
ES (1) ES2279838T3 (fr)
WO (1) WO2003046866A1 (fr)

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DE10139653A1 (de) * 2001-08-11 2003-02-20 Tesa Ag Etikett mit erhöhter Fälschungssicherheit
DE10142638A1 (de) * 2001-08-31 2003-05-08 Tesa Ag Verfahren zum Herstellen einer laserbeschriftbaren Folie
US20040026921A1 (en) * 2002-03-14 2004-02-12 Tesa Aktiengesellschaft Label for concealing information
AT504049B1 (de) * 2002-11-28 2008-10-15 Hueck Folien Gmbh Folie für verpackungszwecke, mit partiell aufgebrachtem sicherheitsmerkmal
US20050156318A1 (en) * 2004-01-15 2005-07-21 Douglas Joel S. Security marking and security mark
US7674532B2 (en) 2004-07-19 2010-03-09 Honeywell International Inc Security taggants in adhesive plastic film laminate for pharmaceutical packaging
DE102005061125A1 (de) * 2005-12-19 2007-06-21 Tesa Ag Etikett
DE102005061124A1 (de) * 2005-12-19 2007-06-21 Tesa Ag Etikett mit erhöhter Fälschungssicherheit
US20090181313A1 (en) * 2008-01-14 2009-07-16 Tesa Ag Pigment layer and method especially for a durable inscription of glass using a high energy radiation
DE102008046462A1 (de) * 2008-09-09 2010-03-11 Tesa Se Verfahren zur Herstellung einer mehrschichtigen Folie
WO2010140252A1 (fr) * 2009-06-05 2010-12-09 株式会社テクノメデイカ Dispositif d'etiquetage pour dispositif automatique de mise en position de tubes a essai
RU2490709C2 (ru) * 2009-10-23 2013-08-20 Общество с ограниченной ответственностью "Флуоресцентные информационные технологии (ООО "Флуринтек") Флуоресцентная информационная метка и способы ее изготовления
FR3022181B1 (fr) * 2014-06-13 2018-01-19 Fasver Procede de fabrication d'un support de donnees multicouche a inscriptions metallisees reflechissantes
US9498947B2 (en) * 2014-08-18 2016-11-22 Robert C. Jordan Method for creating tamper-evident labels
JP2017111344A (ja) * 2015-12-17 2017-06-22 リンテック株式会社 脆質性レーザマーカラベルの製造方法

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DE8130861U1 (de) * 1981-10-22 Beiersdorf Ag, 2000 Hamburg Mehrschichtiges Etikett
DK279282A (da) * 1982-06-22 1982-09-29 E Dam Selvklaebende papirlaminat isaer til etiketter
DE4134271C1 (fr) * 1991-10-17 1992-12-24 Leonhard Kurz Gmbh & Co, 8510 Fuerth, De
US5346259A (en) * 1992-07-16 1994-09-13 Avery Dennison Corporation Anti-theft label construction
DE4243987C2 (de) * 1992-12-23 2003-10-09 Gao Ges Automation Org Ausweiskarten mit visuell sichtbarem Echtheitsmerkmal
EP0645747A3 (fr) * 1993-09-27 1997-01-08 Gerecke & Lauer Gmbh Fa Etiquette inscriptible pour laser.
DE4421865A1 (de) * 1994-06-22 1996-01-04 Beiersdorf Ag Einschichtlaseretikett
DE19840733C2 (de) * 1998-09-07 2000-10-05 Plusprint Druckmedien Gmbh Sicherheits-Abdeckaufkleber
DE19904823A1 (de) * 1999-02-05 2000-08-10 Beiersdorf Ag Fälschungssicheres laserbeschriftbares Etikett erzeugt durch Beugungsgitter
EP1150270B1 (fr) * 2000-04-20 2001-12-05 TRICON Veredlungs GmbH Papier métallisé comprenant des caractéristiques de sécurité
DE10139653A1 (de) * 2001-08-11 2003-02-20 Tesa Ag Etikett mit erhöhter Fälschungssicherheit

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ES2279838T3 (es) 2007-09-01
DE50111983D1 (de) 2007-03-15
EP1451791A1 (fr) 2004-09-01
US20040247832A1 (en) 2004-12-09
WO2003046866A1 (fr) 2003-06-05
JP2005510765A (ja) 2005-04-21

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