EP2021544B1 - Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs - Google Patents

Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs Download PDF

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Publication number
EP2021544B1
EP2021544B1 EP07766076A EP07766076A EP2021544B1 EP 2021544 B1 EP2021544 B1 EP 2021544B1 EP 07766076 A EP07766076 A EP 07766076A EP 07766076 A EP07766076 A EP 07766076A EP 2021544 B1 EP2021544 B1 EP 2021544B1
Authority
EP
European Patent Office
Prior art keywords
security
fibrous layer
decorative elements
elements
spraying
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.)
Not-in-force
Application number
EP07766076A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2021544A1 (fr
Inventor
Sandrine Chalaye
Robert Langley
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.)
ArjoWiggins Security SAS
Original Assignee
ArjoWiggins Security SAS
Arjo Wiggins Fine Papers Ltd
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 ArjoWiggins Security SAS, Arjo Wiggins Fine Papers Ltd filed Critical ArjoWiggins Security SAS
Priority to SI200730356T priority Critical patent/SI2021544T1/sl
Publication of EP2021544A1 publication Critical patent/EP2021544A1/fr
Application granted granted Critical
Publication of EP2021544B1 publication Critical patent/EP2021544B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • 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
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting

Definitions

  • the present invention particularly relates to a method of manufacturing a sheet material comprising at least one fibrous layer.
  • This process makes it possible to obtain several colored bands in the mass of the paper.
  • Safety elements can be selectively introduced into one of the pulp distribution lines.
  • a disadvantage of the method described above is that the security elements are buried in the mass of the paper, which can prevent or make difficult their observation or detection.
  • the fiber suspension forming the transparent areas may contain a filler, a binder or a transparent agent, and be dispensed with a nozzle into contact with the paper forming fabric.
  • a security paper such as a banknote, having two adjacent iridescent strips deposited on the paper, for example using the method described in the application EP 498,825 above, or by coating, printing, gravure, flexography or offset printing.
  • the paper further comprises an optically variable element such as a hologram deposited by hot pressing on at least one of the iridescent strips.
  • an optically variable element such as a hologram deposited by hot pressing on at least one of the iridescent strips.
  • Security and / or valuable documents with security features are generally known to protect these documents against attempts to falsify or counterfeit.
  • security elements some are detectable to the naked eye, in visible light, without the use of a particular device.
  • These security elements comprise for example colored fibers or boards.
  • security elements are detectable only with a relatively simple device such as a lamp emitting in the ultraviolet or infrared. These security elements comprise for example fibers, boards or particles. These security features may be visible to the naked eye or not, being example luminescent under a Wood lamp emitting at a wavelength of 365 nm. These elements can still be for example of the thermochromic or photochromic type.
  • security elements still require for their detection a more sophisticated detection device.
  • These security elements are for example capable of generating a specific signal when they are subjected, simultaneously or not, to one or more external excitation sources. The automatic detection of the signal makes it possible to authenticate, if necessary, the document.
  • These security elements comprise for example tracers in the form of active material, particles or fibers, capable of generating a specific signal when these tracers are subject to optoelectronic excitation, electrical, magnetic or electromagnetic.
  • the security elements mentioned above may be incorporated in the mass of the paper or on the surface thereof.
  • the present invention aims in particular to provide a novel method of manufacturing a sheet material comprising at least one fibrous layer comprising security and / or decorative elements.
  • sheet material may denote in the specification and claims a fibrous sheet based on cellulosic and / or synthetic fibers.
  • a sheet material may for example have a relatively small thickness, especially less than or equal to 3 mm, for example equal to about 100 microns, and be at least partially or fully flexible.
  • the sheet material may be of the monojet or multijet type, in particular bijet.
  • the sheet material may be packaged in a reel, in particular before being cut into the desired format.
  • the object of the invention is, according to one of its aspects, a method of manufacturing a sheet material comprising at least one fibrous layer and a plurality of security and / or decorative elements, the method comprising one at least one of the following steps according to claim 1.
  • the amount of security and / or decorative elements useful for the manufacture of sheet material can be relatively small.
  • the invention makes it possible to limit any loss of material.
  • the projection of the security and / or decorative elements on the fibrous layer can be carried out in line, downstream of a wet part of the paper machine used to form the fibrous layer, in particular before passing over the press section, or even before crossing over a dryer assembly of the paper machine.
  • the deposit of the security and / or decorative elements can be facilitated because it is made on the paper machine itself, which can make it possible in particular to be able to locate the or the patterns of security and / or decorative elements with respect to other securities present in the fibrous layer, for example a security thread or a watermark.
  • the areas of the fibrous layer covered by the security and / or decorative elements may have a fuzzy or sharp outline, depending on the type of security and / or decorative elements deposited and the projection mode.
  • a fuzzy outline may make it more difficult to attempt to reproduce the sheet material by printing.
  • the security and / or decorative elements are dispersed beforehand in a fluid such as water, optionally with one or more additives, for example a binder or a retention agent for facilitate the attachment of the security and / or decorative elements on the fibrous layer or a dispersing agent to facilitate the dispersion of the security and / or decorative elements.
  • a fluid such as water
  • additives for example a binder or a retention agent for facilitate the attachment of the security and / or decorative elements on the fibrous layer or a dispersing agent to facilitate the dispersion of the security and / or decorative elements.
  • the mixture thus obtained can be projected onto the fibrous layer using a pressurized fluid, especially a pressurized gas such as compressed air.
  • the projection of the security and / or decorative elements can be carried out using a projection system comprising one or more projection nozzles.
  • the projection of the security and / or decorative elements may be carried out with a plurality of projection nozzles fed with security and / or decorative elements of different types to form adjacent or entangled patterns.
  • the projection system comprises, if desired, particularly depending on the type of security and / or decorative elements, a device for atomizing the liquid medium to create very small droplets.
  • the projection system may comprise at least one nozzle that can be fed alternately with at least two safety element reservoirs and / or decorative and capable of alternately projecting the security and / or decorative elements from the two tanks.
  • the projection system may comprise a jet splitter arranged to divide, at the outlet of a nozzle, a jet in several streams, possibly with spaces between them to create one or more patterns.
  • the invention makes it possible to make with the aid of security and / or decorative elements a large variety of patterns.
  • the security and / or decorative elements may be projected onto the fibrous layer continuously or, alternatively, intermittently, in particular periodically with a predetermined frequency.
  • the projection system may, where appropriate, be associated with a control system arranged to control the projection of the security and / or decorative elements, including the frequency of projections, the direction of projections, the projection force of the security elements. and / or decorative, volume, flow, shape and / or dimensions of a stream of security and / or decorative elements.
  • the control system may comprise at least one of a pneumatic device and a peristaltic device, or a combined pneumatic / peristaltic device, arranged to control the frequency and the projection volume.
  • a pneumatic pump may in particular be arranged to regulate the frequency and volume of projections by a compressed air system whose flow and pressure can be easily controlled.
  • the frequency and the volume of the projections in a peristaltic pump depend in particular on the configuration of the pump (number of rotors which create the projection pressure for example).
  • the control system may comprise, if desired, a centrifugal pump or a mono-pump, especially in the case of continuous pattern formation, allowing precise and regular flow control, particularly reproducible and constant over time.
  • the security and / or decorative elements may be projected by forming at least one jet having, in cross section, a shape selected from: a straight line segment, a corner such as a right angle corner, a triangle, a rectangle or a square, a non-rectilinear curve such as an arc, a circle, an ellipse, an oval portion or an S, a disk, a wavy shape.
  • the jet may be hollow or full.
  • the security and / or decorative elements are projected onto the fibrous layer so as to be dispersed over only a portion of the corresponding face of the fibrous layer, the elements not covering the all of this face.
  • the pattern (s) made on the sheet material may define, if desired, an identification element of the sheet material.
  • the motif (s) may define, where appropriate, a decorative motif or a specific motif of a trade mark.
  • Security and / or decorative elements of different types may for example have different colors, while being of identical nature.
  • This or these patterns include for example one of the following: an alphanumeric character, a symbol, a geometric shape, a logo, a drawing, this list is not limiting.
  • This or these patterns may be alternated or not, possibly with a predetermined pitch, and / or juxtaposed or superimposed.
  • An advantage of a mixture of security elements of different levels may be the ability to locate the position of second or third level security elements through the presence of first-level security elements visible in daylight.
  • the authentication and / or the identification of the sheet material may, where appropriate, be based on the verification of all the zones formed by the security elements or on the verification of only some of these zones.
  • At least one of the areas formed by the security elements may define an inspection area to analyze the security elements present in this inspection area in order to identify the sheet material, for example based on the spatial distribution of security elements in the inspection area.
  • This inspection zone corresponds, for example, to the intersection of two zones formed by security elements of different types and / or concentrations.
  • the particles or pigments may have, for example, dimensions of between 10 and 20 ⁇ m, or even up to 500 ⁇ m.
  • the fibers may have, for example, a length of 3 to 5 mm and a diameter of approximately 30 ⁇ m.
  • the decorative elements comprise, if desired, metal particles and / or glossy or matte or colored particles, of mineral material (s) or plastic (s).
  • the sheet material may comprise at least one authentication and / or identification structure, the security and / or decorative elements covering an area of the fibrous layer that may overlap at least partially or even perfectly with the structure of the sheet. authentication and / or identification.
  • the authentication and / or identification structure may comprise, for example, a foil or patch or a hologram applied to the fibrous layer, in particular outside the paper machine.
  • the pattern (s) defined by the security and / or decorative elements may be present at a security thread or a zone of reduced opacity or a watermark for example.
  • the authentication and / or identification structure may be chosen from at least one of the following elements: a watermark, an optically variable element such as a hologram, a strip element, a foil, a patch, a wire security, an impression.
  • Concentration variations can be used for authentication of the sheet material.
  • the projection system may comprise, where appropriate, at least one spraying device arranged to project the security and / or decorative elements.
  • the invention further relates, in another of its aspects, a sheet material obtained in particular by the implementation of the method defined above.
  • the security and / or decorative elements may cover only a portion of one face of the fibrous layer and in particular be dispersed at least partially in the mass of the fibrous layer, to a thickness less than that of the fibrous layer.
  • the security and / or decorative elements may form a pattern having a succession of disjoint zones, in particular identical and / or repeated in a regular manner.
  • the sheet material may comprise at least two types, for example three types, of security and / or decorative elements, the security elements of a given type covering in particular only a portion of the face of the fibrous layer.
  • the sheet material may comprise at least two zones respectively formed by safety and / or decorative elements of different types, having by example of different colors, these areas being for example adjacent or overlapping at least partially.
  • intersection zone of the two aforementioned zones may, where appropriate, have a color corresponding to the superposition of the two colors of said zones.
  • the continuous zone forms, for example, a corrugated strip or zig-zag pattern.
  • the continuous zone is a strip with parallel straight edges.
  • the sheet material comprises at least one authentication element and / or identification element chosen from at least one of the following elements: a highlighting element of a falsification, in particular visible and / or detectable by means of a specific detection device, an element with variable, interferential, in particular iridescent, and / or diffractive optical effect, with a liquid crystal, a magnetic coating, magnetic fibers, tracers detectable by magnetic resonance, tracers detectable by X-ray fluorescence, biomarkers, a varnish or an ink, luminescent tracers (fluorescent or phosphorescent), photochromic compounds, thermochromic, electroluminescent, tribochromic, especially piezochromic and / or which change from color in contact with one or more predetermined products (solvatochrome, ionochrome, etc.).
  • a highlighting element of a falsification in particular visible and / or detectable by means of a specific detection device
  • a paper machine 1 having a wet portion 2 forming the paper, a circuit of a gripper strip 3, in particular felt, a set of dryer 4 and a size-presser 5 (or "size press").
  • the paper machine 1 is round.
  • the paper machine may be flat-table type.
  • the paper machine may comprise a web of a rotating cylinder (or "forming") and a device for injecting fibrous material on this surface in order to form the fibrous layer.
  • the wet part 2 comprises a tank 11 containing a suspension 12 of fibers, for example cellulose fibers, in particular cotton linters and / or synthetic and / or artificial fibers, in which is partially immersed a cylinder of rotating fabric 13 defining a surface 14 in contact with which a fibrous layer 20 continuously forms.
  • a suspension 12 of fibers for example cellulose fibers, in particular cotton linters and / or synthetic and / or artificial fibers
  • the dryer assembly 4 comprises a plurality of rotating cylinders 9 in contact with which the fibrous layer 20 is displaced.
  • the sheet material may comprise at least two fibrous layers, in particular assembled in a wet phase, so as to form, for example, a bi-jet paper.
  • the paper machine 1 further comprises a projection system 21 comprising one or more projection nozzles 22 arranged to project security and / or decorative elements on the fibrous layer 20 in displacement in the direction of the arrow F, as illustrated in FIG. the figure 2 .
  • the system 21 may comprise a single nozzle or a plurality of spray nozzles.
  • the projection system 21 is disposed at a location of the paper machine 1 where the fibrous layer 20 is still wet.
  • the projection system 21 is disposed between the wet paper forming portion 2 and the drying assembly 4, as illustrated in FIG. figure 1 .
  • the projection system 21 is arranged for example between the dryer assembly 4 and the press-gluer assembly 5.
  • spraying the suspension onto the fibrous layer may be associated with atomization of the suspension to reduce the size of the sprayed drops.
  • One of the nozzles may comprise for this purpose an atomizing device 23 comprising for example one or more vortex channels.
  • the spraying can be carried out using a carrier fluid such as compressed air.
  • One of the nozzles 22 may be powered by at least two security and / or decorative element reservoirs 25 and 26 in order to alternately project the security and / or decorative elements from the two reservoirs 25 and 26, as illustrated in FIG. figure 3 .
  • the tanks 25 and 26 comprise, for example, security and / or decorative elements of different types.
  • the system 21 may comprise a jet splitter arranged to divide, at the outlet of a nozzle, a jet in several streams.
  • the system 21 may comprise, if desired, two nozzles arranged to project jets juxtaposing at least partially for example to form on the fibrous layer an area having a relatively large area.
  • the projection system 21 can be associated with a control system 28 arranged to control the projection of the security and / or decorative elements by the projection system, this control system 28 can control for example the frequency of projections (including the duration a projection and / or between two projections successive), the direction of projections, the projection force, the shape and / or the dimensions of a jet 29 of security and / or decorative elements.
  • this control system 28 can control for example the frequency of projections (including the duration a projection and / or between two projections successive), the direction of projections, the projection force, the shape and / or the dimensions of a jet 29 of security and / or decorative elements.
  • the control system 28 comprises for example at least one pneumatic device and a peristaltic device, or a combined pneumatic / peristaltic device, arranged to control the projection frequency.
  • the control system 28 may be arranged for example to be able to move one of the jets 29 of security and / or decorative elements in a direction not parallel to the direction F of displacement of the fibrous layer 20.
  • the control system 28 may comprise, if desired, a centrifugal pump or a mono-pump, especially in the case of continuous pattern formation, allowing a precise flow control and regular, including reproducible and constant over time.
  • the jet 29 may for example be moved in a direction transverse to the direction F, according to an oscillating movement.
  • Each nozzle 22 may be arranged to spray a jet 29 of security and / or decorative elements having, in cross section, a circle shape, as illustrated in FIG. figure 2 .
  • each nozzle 22 may be arranged to spray a jet 29 having, in cross-section, a shape selected from: a straight line segment, a corner such as a right angle corner, a rectangle or a square, a non-linear curve rectilinear such as an arc, a portion of oval or ellipse or S, a disc.
  • the jet 29 may be flat for example or, alternatively, substantially conical.
  • Nozzles 22 are arranged to project on the fibrous layer 20 security and / or decorative elements on only a portion of the corresponding face thereof.
  • the projection system 21 can make it possible to project, simultaneously or alternately, on the fibrous layer 20, security and / or decorative elements of at least two different types.
  • the projection system 21 can be used to form the projection system 21 at least one nozzle sold by the company SPRAYING SYSTEMS Co., for example nozzles sold under the name “FlatJet ® Nozzle,””VeeJet ® Nozzle”” Flat Jet Nozzle ® Air Atomizing Nozzle, "” GunJet ® Spray Guns. "
  • the security and / or decorative elements may comprise elements detectable with the naked eye, in reflection and / or by transparency, in visible light, or detectable to the touch.
  • the security and / or decorative elements may, where appropriate, comprise elements detectable with the naked eye, in reflection and / or by transparency, for example under a predetermined lighting, in particular ultraviolet, the security elements being in particular undetectable to the naked eye, in visible light.
  • the security elements may comprise elements arranged to emit a specific signal when they are subjected to external excitation, in particular optoelectronic, electromagnetic, electrical, magnetic, thermal or acoustic excitation.
  • the decorative elements comprise, if desired, metal particles and / or glossy or matte or colored particles, of mineral material (s) or plastic (s).
  • the first continuous pattern is achieved by projecting security and / or decorative elements onto the fibrous layer 20 using a first continuously operating nozzle 22.
  • Pattern 30 is a continuous strip with straight and parallel edges.
  • the pattern 31 is formed of a row of circles, parallel to the band 30.
  • the circles are formed by safety and / or decorative elements projected in hollow jets on the fibrous layer 20 using for example a pneumatic spray nozzle 22.
  • the circles of the pattern 31 are formed using a pneumatic spray nozzle.
  • the spacing between two circles of the pattern 31 can be reduced or increased in order for example to have a row of circles closer from each other, as illustrated on the Figure 5 (b) .
  • a band 33 having a substantially sinusoidal or zig-zagous shape is formed on the fibrous layer 20, as illustrated in FIG. figure 6 .
  • the fibrous layer 20 comprises, in addition to the sinusoidal band 33, a continuous strip pattern 34 with parallel straight edges.
  • the pattern 34 is formed in particular by a mixture of security elements of two different types, namely for example, on the one hand, boards having a red color under daylight and red fluorescence under radiation at 365 nm and on the other hand, invisible fibers in daylight and having a yellow fluorescence under radiation at 365 nm.
  • the pattern 33 is formed for example of tracers invisible in ambient light, such as Traceless TM tracers marketed by the company CREO.
  • tracers can be detected by a specific detector comprising a CCD camera operating in the infrared and arranged to characterize the spatial distribution of the tracers.
  • the signal emitted by the tracers dispersed in a predetermined region of the pattern 33, corresponding for example to a portion of the sinusoid 33, can be used for the identification of the fibrous layer 20.
  • the portion of the sinusoid may be for example a period thereof or a multiple thereof.
  • the pattern 34 is thus formed of first and second level security elements, and the pattern 33 of third level security elements.
  • the pattern 34 serves in particular to identify the pattern 33.
  • the fibrous layer 20 comprises a pattern 35 formed by a row of identical elementary patterns repeated regularly, each elemental pattern being formed for example by two concentric rings.
  • These elementary patterns are made from second-level security elements, for example Hilite TM particles invisible in daylight and having an orange fluorescence under a radiation at 365 nm, described for example in the application EP 226 367 . These particles are agglomerates with a size of about 200 ⁇ m, finer fluorescent particles.
  • the fibrous layer 20 comprises a pattern 36 obtained by varying the width of the jet of security and / or decorative elements so that the width of the pattern 36 varies, especially periodically.
  • the fibrous layer 20 comprises a pattern 38 formed by an alternation of adjacent discontinuous zones 38a-38c and together defining a general shape in continuous strip with parallel straight edges.
  • zones 38a-38c are each obtained, in particular by discontinuous projection of security and / or decorative elements of different types.
  • zones 38a may be formed by Hilite TM particles invisible in daylight, and having blue fluorescence under UV radiation.
  • the zones 38b may be formed, for example, by Hilite TM particles having a white fluorescence and the zones 38c by Hilite TM particles having a red fluorescence under UV radiation.
  • the pattern 38 may appear as a succession of blue / white / red tricolor flags.
  • the zones 38a-38c may be formed by Traceless TM tracers of the company CREO, the concentration of which varies according to the zones 38a-38c. These areas can form for example a bar code.
  • the fibrous layer 20 comprises two continuous patterns 40 and 41 each having a strip shape with parallel straight edges, these patterns 40 and 41 being adjacent over their entire length.
  • the pattern 40 may for example be formed by security and / or decorative elements visible to the naked eye, under appropriate lighting. This pattern 40 can identify the pattern 41 formed for example by security elements invisible to the naked eye and detectable only with the aid of a specific device.
  • the fibrous layer 20 comprises a pattern 42 having a strip shape with parallel straight edges, formed for example by security elements invisible to the naked eye.
  • This pattern 42 may be superimposed on authentication and / or identification structures 43 visible to the naked eye, comprising, for example, watermarks.
  • the authentication and / or identification structure 43 may alternatively comprise at least one security thread, an optically variable element such as a holographic foil or an impression such as an ink printing.
  • the structure 43 may be applied to the fibrous layer during or after the manufacture of this layer, during a transformation or printing, for example.
  • the fibrous layer 20 may comprise a pattern 39 formed by a succession of discontinuous zones, for example of rectangular shape.
  • the pattern 39 is superimposed on a safety band or thread 44 incorporated at least partially in the mass of the fibrous layer 20.
  • the pattern 39 is obtained for example by spraying a dye having electromagnetic properties and forms a specific signature of the sheet material.
  • the dye can be of the type SecuSystem ® sold by the company Bsecure, mixed with particles that are invisible in daylight and that have a red fluorescence under radiation at 365 nm.
  • the sheet material 20 has first and second patterns 44 and 45 each having a strip shape with parallel straight edges; these patterns being adjacent, and a third pattern 46 having a sinusoidal band shape superimposed on patterns 44 and 45.
  • the first pattern 44 may be formed by spraying fibers having a red color in daylight and red fluorescence under 365 nm radiation.
  • the pattern 45 may be formed by security features such as Hilite TM particles having a red color in daylight and red fluorescence under 365 nm radiation.
  • the pattern 46 is formed for example by Hilite TM particles invisible in daylight and having a yellow fluorescence under radiation at 365 nm.
  • the fibrous layer 20 has a first stripe pattern 47, a second stripe pattern 48 formed within the first pattern 47 and a discontinuous third pattern 49 formed within the pattern 48.
  • the pattern 49 is formed of discontinuous areas, these areas being for example disks or the like obtained by solid conical jets.
  • the first pattern 47 may comprise second-level security elements, for example invisible fibers in ambient light and having blue fluorescence under radiation at 365 nm.
  • the second pattern 48 may be formed for example by security features such as Hilite TM particles having a red color in daylight and red fluorescence under 365 nm radiation.
  • the third pattern 49 may be formed for example by Traceless TM tracers .
  • the fibrous layer 20 has a first continuous pattern 50 having a strip shape and second and third continuous patterns 51 and 52 also having a strip shape and superimposed on the first pattern 50.
  • the second and third patterns 51 and 52 are spaced from each other.
  • the fibrous layer 20 comprises two patterns 53 and 54 each having a continuous strip shape, with parallel straight edges, and partially overlapping in an intersection zone 55.
  • the first pattern 53 is formed by spraying a dye having a yellow color in daylight and a yellow fluorescence under radiation at 365 nm.
  • the second pattern 54 is formed by spraying a dye having a blue color in daylight and a blue fluorescence under radiation at 365 nm.
  • the intersection zone 55 has a color corresponding to the superposition of the yellow and blue colors of the patterns 53 and 54 so that the patterns 53-54 form, under UV radiation, three colors, in the manner of a yellow / green flag /blue.
  • One of the nozzles may be movable so as to vary the distance between this nozzle and the fibrous layer.

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EP07766076A 2006-05-19 2007-05-18 Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs Not-in-force EP2021544B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200730356T SI2021544T1 (sl) 2006-05-19 2007-05-18 Postopek izdelave materiala v listih, ki vsebuje najmanj eno vlaknasto plast in varnostne in/ali dekorativne elemente

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0651860A FR2901286B1 (fr) 2006-05-19 2006-05-19 Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs
PCT/FR2007/051302 WO2007135334A1 (fr) 2006-05-19 2007-05-18 Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs

Publications (2)

Publication Number Publication Date
EP2021544A1 EP2021544A1 (fr) 2009-02-11
EP2021544B1 true EP2021544B1 (fr) 2010-07-07

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EP07766076A Not-in-force EP2021544B1 (fr) 2006-05-19 2007-05-18 Procede de fabrication d'un materiau en feuille comprenant au moins une couche fibreuse et des elements de securite et/ou decoratifs

Country Status (12)

Country Link
US (1) US20090188638A1 (ru)
EP (1) EP2021544B1 (ru)
AT (1) ATE473322T1 (ru)
BR (1) BRPI0712592A2 (ru)
CA (1) CA2652572A1 (ru)
DE (1) DE602007007608D1 (ru)
ES (1) ES2348370T3 (ru)
FR (1) FR2901286B1 (ru)
MX (1) MX2008014521A (ru)
RU (1) RU2429138C2 (ru)
SI (1) SI2021544T1 (ru)
WO (1) WO2007135334A1 (ru)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
BRPI0915031A2 (pt) * 2008-06-12 2015-10-27 Crane & Co Inc método para aumentar a adesão entre um elemento de segurança e um material de folha fibroso
US8289352B2 (en) 2010-07-15 2012-10-16 HJ Laboratories, LLC Providing erasable printing with nanoparticles
FR2963356B1 (fr) * 2010-07-29 2014-08-22 Arjowiggins Security Structure de securite incorporant des compositions phosphorescente et fluorescente
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Publication number Publication date
FR2901286B1 (fr) 2011-08-19
FR2901286A1 (fr) 2007-11-23
RU2429138C2 (ru) 2011-09-20
SI2021544T1 (sl) 2010-12-31
RU2008149604A (ru) 2010-06-27
US20090188638A1 (en) 2009-07-30
BRPI0712592A2 (pt) 2012-07-03
CA2652572A1 (fr) 2007-11-29
WO2007135334A1 (fr) 2007-11-29
ES2348370T3 (es) 2010-12-03
ATE473322T1 (de) 2010-07-15
DE602007007608D1 (de) 2010-08-19
MX2008014521A (es) 2009-04-16
EP2021544A1 (fr) 2009-02-11

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