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EP2891561A1 - Intégration de feuilles dans du papier - Google Patents

Intégration de feuilles dans du papier Download PDF

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Publication number
EP2891561A1
EP2891561A1 EP14004345.6A EP14004345A EP2891561A1 EP 2891561 A1 EP2891561 A1 EP 2891561A1 EP 14004345 A EP14004345 A EP 14004345A EP 2891561 A1 EP2891561 A1 EP 2891561A1
Authority
EP
European Patent Office
Prior art keywords
window
security element
substrate
embedding
area
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.)
Granted
Application number
EP14004345.6A
Other languages
German (de)
English (en)
Other versions
EP2891561B1 (fr
Inventor
Patrick Renner
Alexander TANTSCHER
Bernhard Wiedner
Ralf Liebler
Andreas Rauch
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.)
Giesecke and Devrient Currency Technology GmbH
Original Assignee
Giesecke and Devrient GmbH
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 Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Publication of EP2891561A1 publication Critical patent/EP2891561A1/fr
Application granted granted Critical
Publication of EP2891561B1 publication Critical patent/EP2891561B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/346—Perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29—Securities; Bank notes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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

Definitions

  • the invention relates to a security element, a security document-containing security element and a method for producing a value document.
  • Value documents within the meaning of the invention include banknotes, stocks, bonds, certificates, vouchers, checks, air tickets, high-quality entrance tickets, labels for product security, credit or debit cards, but also other forgery-prone documents, such as passports, ID cards or other identity documents.
  • Value documents in particular banknotes, are usually made of paper substrates which have special security features, such as a security thread at least partially incorporated into the paper and a watermark, and which are usually made of cotton fibers.
  • window films can be used. Window films are usually made substantially from a polymer. Typically, an area is taken out of the paper of a value document, so that a hole or an opening is formed. This hole is then covered again with a window film.
  • the window film is often transparent, but may additionally be printed and / or have optical security elements such as holograms, in order to ensure better protection against counterfeiting.
  • window foils can not be imitated by mere copying with photocopiers since the area of the window foil appears black in a copy. Also, the feel of a window film is different compared to that of paper. Consequently, copying can not achieve the different haptics of paper compared to a window film.
  • window films In the case of existing documents of value with window film, however, it is disadvantageous that these window films must be introduced into the document of value by means of a complex laminating process in order to ensure secure integration of the window film with the rest of the document of value and at the same time not impair properties such as good stackability.
  • a typical problem with value documents with window film is that the value documents are less dimensionally stable and, for example, tend to curl up, which can also considerably complicate the processing or handling of value documents. Also, the transitions from window foil to paper can be weakened areas that are more prone to mechanical damage such as tearing / tearing.
  • a first aspect of the invention relates to a security element for producing a value document, comprising a window area with a top and a bottom, each defining a major surface of the security element, and a certain thickness extending in the direction of the main surface normal; and at least one embedding area disposed laterally on the window area and suitable for embedding in a value document substrate, comprising a plurality of holes for anchoring the embedding area in the value document substrate, wherein the embedding area has a certain thickness which extends in the direction of the main surface normal and which is smaller than the determined thickness of the window area.
  • a security element according to this invention may in particular comprise a film or a multilayer substrate, wherein the multilayer substrate may also comprise a combination of fabric substrates and films.
  • the window area of the security element serves to fill or bridge a hole in a value document or in the paper substrate of the value document.
  • the security element can be used to introduce a security window in a value document.
  • the top side and the bottom side of the window area preferably run parallel to the top side and bottom side of the value document.
  • the top and bottom of the value document as well as the window area can also be referred to as main areas.
  • These main surfaces render relevant information to a user. Consequently, the main surfaces are visible to a user who views a value document with a security element.
  • a major surface of a bill may represent the value of the bill as well as its serial number.
  • an upper and lower side of the window area of a security element as well as that of a value document can also be regarded as the first and second main areas.
  • thickness extending in the direction of the main surface normal is to be understood in particular the distance of the main surfaces of the window portion of the security element to each other.
  • a thickness of a window area set before the manufacture of the security element is to be understood as a certain thickness. Accordingly, a certain thickness may be considered as a measure with or without tolerance having a window area after manufacture.
  • an embedding area arranged laterally on the window area and suitable for embedding in the value document is to be understood as meaning that the embedding area is not arranged on the main surfaces of the window area of the security element.
  • a proximal end of the embedding area is arranged on the window area.
  • the window area can have different shapes.
  • the window area may be rectangular, round, oval, polygonal, etc.
  • the embedding area has a multiplicity of holes, so that the embedding area can be embedded in a value document substrate of the value document.
  • the security element similar to a security thread, may be introduced into the paper machine round-robin during papermaking.
  • paper fibers can diffuse through the holes or deposit in the holes, so that the embedding area is substantially enclosed by paper fibers and the holes are penetrated by paper fibers.
  • the embedding area is anchored particularly well in such a paper fiber composite because the paper fibers penetrated through the holes form a bond with the other paper fibers surrounding the embedding area.
  • the Holes can have different shapes. In particular, the holes may have different shapes from each other. For example, the holes may have a round or angular cross-section. Holes may be formed as perforations or through holes or openings. Furthermore, in addition holes may be formed as blind holes, indentations or depressions.
  • the expression "certain thickness which extends in the direction of the main surface normal” means, in particular, the distance of the main surfaces of the window area of a security element from one another.
  • a specific thickness is to be understood in particular a material height / thickness, which is predetermined.
  • a thickness of a window area set before the manufacture of the security element is to be understood as a certain thickness. Accordingly, a certain thickness may be considered as a measure with or without tolerance having a window area after manufacture.
  • the thickness of the embedding area is less than the thickness of the window area.
  • the embedding area has a thickness and a structure of the plurality of holes such that a value document having the security element in the area where the embedding area is embedded in the value document substrate has substantially the same thickness as the other value document substrate. In other words, there should be no or only a slight thickening of the value document in the region of the embedding area.
  • the thickness of the window area is determined such that the thickness of the window area corresponds to the thickness of the value document in which the security element is to be integrated.
  • a security-integrated value document has a substantially stepless transition between the value-document substrate and the window area.
  • the specific thickness of the window region is preferably in a range of 70 ⁇ m to 100 ⁇ m.
  • the thickness is particularly preferably in the range from 70 ⁇ m to 80 ⁇ m, 80 ⁇ m to 90 ⁇ m, and / or 90 ⁇ m to 100 ⁇ m.
  • the specific thickness of the embedding area is preferably in a range from 6 ⁇ m to 40 ⁇ m.
  • the thickness is particularly preferably in the range from 6 ⁇ m to 12 ⁇ m, 12 ⁇ m to 18 ⁇ m, 18 ⁇ m to 24 ⁇ m, 24 ⁇ m to 30 ⁇ m and / or 30 ⁇ m to 40 ⁇ m.
  • the thickness of the embedding area varies in the range of the aforementioned ranges.
  • the embedding area tapers from the window proximal end to the distal end of the embedding area, i. the thickness of the embedding area decreases.
  • the thickness of the embedding area preferably varies linearly and / or exponentially from the window area proximal end to the distal end of the embedding area.
  • the thickness of the embedding area varies in a direction parallel to the window area proximal end of the embedding area.
  • the thickness of the embedding area preferably varies linearly and / or exponentially in a direction parallel to the end of the embedding area which is proximal to the window area.
  • the determined thickness of the embedding area may include not only a single value but also a range of values indicating a thickness profile of one of the embedding areas.
  • a thickness profile of the embedding region is in a range from 120 ⁇ m to 2 ⁇ m, preferably in a range from 100 ⁇ m to 6 ⁇ m, particularly preferably in a range from 30 ⁇ m to 6 ⁇ m.
  • the holes have a cross-sectional area in a range of 0.0005 cm 2 to 0.64 cm 2 , preferably in a range of 0.0006 cm 2 to 0.2 cm 2 . Further preferably, the holes have a cross-sectional area in a range of 0.125 cm 2 to 1.13 cm 2 , preferably in a range of 0.125 cm 2 to 0.5 cm 2 and / or in a range of 0.28 cm 2 to 0.785 cm 2 up.
  • the holes are cylindrical or circular. Further preferably, the holes have a diameter between 0.1 mm and 6 mm, preferably between 2 mm and 6 mm, more preferably between 2 mm and 4 mm and / or between 3 mm and 5 mm.
  • the holes have a density between 1 to 600 holes per 1 cm 2 , preferably a density between 1 to 10 holes per 1 cm 2 , more preferably a density between 3 to 15 holes per 1 cm 2 . Further preferably, the holes have a density between 1 to 30 holes per 1 cm 2 .
  • the embedding area preferably adjoins the window area laterally. This is to be understood in particular as meaning that the embedding area directly adjoins the window area or the window area merges directly into the embedding area.
  • the embedding areas have a width in the range of 1 mm to 160 mm, furthermore preferably the embedding areas have a width in the range of 5 mm to 5 cm, furthermore preferably a width in the range of 2 cm to 7 cm.
  • the window area has a rectangular cross-section viewed in plan view on the top.
  • the security element has two laterally adjacent to the window area, opposite embedding areas.
  • the window region can have a longitudinal extent that runs parallel to an edge of the value document. Furthermore, the longitudinal extent of the window area preferably corresponds to the parallel edge length of the value document.
  • the orthogonal to the longitudinal extent width / transverse extent of the window portion has a width between 0.5 mm to 16 cm, preferably 1 mm to 20mm.
  • the window region may be formed as a (window) strip which extends over the entire length or width of the document of value.
  • the security element has two or more embedding areas adjoining the window area laterally, at least two embedding areas lying opposite one another.
  • the security element preferably has exactly one embedding area which adjoins the window area laterally and encloses the window area.
  • one or more embedding areas may annularly surround the window area.
  • annular is to be understood such that the one or more embedding areas surround the window area without gaps.
  • the security element preferably has a perforated or net-shaped substrate with a window section and an embedding section, a window film being arranged above and / or below the (perforated or reticulated) substrate in the window section.
  • the perforated or reticulated substrate is not perforated or reticulated in the window portion.
  • only the embedding section is perforated or net-shaped.
  • the term “above” or “below” is to be understood in each case as one main surface of the perforated or reticulated substrate.
  • the major surfaces of the perforated or reticulated substrate, when embedded in a document of value are parallel to the major surfaces of the document of value. Accordingly, it can be provided that only one window film is arranged on one of the two main surfaces on the (perforated or net-shaped) substrate or on each of the two main surfaces of the (perforated or reticulated) substrate, a window film is arranged.
  • reticulated substrate is to be understood as meaning in particular a structure in which (tissue) fibers intersect, and therefore form cross regions.
  • the cross sections are connected to each other via web sections. Due to the formation of the cross areas and the land areas openings are formed / defined in the intermediate areas.
  • the (woven) fibers can be made of organic or inorganic materials be prepared.
  • the (tissue) fibers are transparent, ie a viewer can not recognize a perforated and / or reticulated structure when viewing the security element with the naked eye.
  • the window portion of the perforated and / or reticulated substrate have perforated or reticulated areas.
  • the perforated or reticulated areas can be covered or closed by applying a window film.
  • the perforated substrate may be a film having a plurality of holes or in which a plurality of holes by means of laser, punching or cutting is introduced.
  • the perforated or reticulated substrate substantially comprises polyethylene terephthalate (PET) or polypropylene (PP).
  • the window foil substantially comprises polyethylene terephthalate (PET) or polypropylene (PP).
  • the window foil may also be an aluminum foil or a (multi-layered) foil which has at least partially metallized areas.
  • the window area of the security element is not transparent or only partially transparent.
  • an adhesive layer is disposed between the window foil and the (perforated or reticulated) substrate.
  • Two-component adhesives so-called “cold systems”, for example, which are preferably applied at temperatures between 20 and 50 ° C., can be used for the adhesive layer. These are preferred used for the lamination of film on film or polymer on polymer.
  • Two-component adhesives, so-called “hot systems” are preferably applied at temperatures between 80 ° C to 100 ° C.
  • a window film may preferably be a one-component adhesive used because hereby the best resistances can be obtained.
  • the window film preferably has a release film above its side opposite the (perforated or reticulated) substrate. Further preferably, a release varnish / release varnish layer is arranged between the release film and the window film.
  • the security element has a multilayer structure.
  • the security element preferably has a multilayer sequence of layers in the window region, a window film being arranged on at least one of the two main surfaces of the perforated or reticulated substrate, a release lacquer layer again being arranged on the window film and a release film being arranged on the release lacquer layer ,
  • the release film forms the last layer.
  • an adhesive layer may be disposed between the perforated or reticulated substrate and the window foil. Further preferably, an adhesive layer can be arranged between the window foil and the release lacquer layer. In an alternative embodiment, the release coating layer is applied directly (ie without adhesive layer) on the window film. Additionally or alternatively, between the release lacquer layer and the release film may be an adhesive layer.
  • the release lacquer or the release lacquer layer is suitable as a pressure-receiving layer.
  • a transfer element is at least partially disposed on one of the main surfaces HF F of the security element.
  • a transfer element is arranged at least partially on one of the main surfaces HF F of the security element and on one of the main surfaces HF P of the value document substrate such that the transfer element at least partially covers the main surface HF F of the security element and the main surface HF P of the value document substrate.
  • a transfer element may be a transfer strip or transfer patch.
  • a transfer strip may be applied to one or both of the major surfaces HF F while a transfer patch is disposed on the opposite major surface.
  • the transfer stripe or the transfer patch can protrude far beyond the window area, so that the transfer stripe or the transfer patch at least partially covers one of the main areas HF F and at least partially one of the main areas HF P. This embodiment is not shown.
  • Such a transfer strip or transfer patch is also referred to as T-LEAD.
  • a further aspect relates to a value document, in particular a banknote, having a value document substrate and a security element embedded at least partially in the value document substrate.
  • the embedding area of the security element is embedded in the substrate so that the embedding area of the security element is anchored in the value document substrate.
  • the thickness of the window area of the security element substantially corresponds to the thickness of the value document substrate.
  • the thickness of the window portion of the security element substantially corresponds to the thickness of the value document substrate when a difference in the two thicknesses is not larger than 20%, more preferably not larger than 10%.
  • a value document with integrated security element has a substantially stepless transition between value document substrate and window area.
  • the security element embedded in the value document comprises one or more of the embodiments or features explained with regard to the first aspect.
  • the embedding area has a thickness and a structure of the plurality of holes such that a value document having the security element in the area where the embedding area is embedded in the value document substrate has substantially the same thickness as the adjacent value document substrate. In other words, there should be no or only a slight thickening of the value document in the region of the embedding area.
  • the value document substrate is based on a paper, so that the holes present in the embedding area of the security element are penetrated by paper fibers or paper fibers are deposited in the holes.
  • the paper may comprise paper fibers and additionally polymer components or polymer fibers such as polyamide or other additives.
  • the security element can be introduced on the paper machine on the round screen, so that the security element is introduced into a value document substrate in a manner similar to a security thread.
  • paper fibers can diffuse through the holes in the embedding area of the security element or penetrate into the holes so that a good bond between the paper fibers surrounding the embedding area and the paper fibers penetrating the holes results.
  • this allows a good integration of the security element into the value document substrate and at the same time providing a value document having a substantially constant thickness, whereby such a value document has good handleability and processability, for example with respect to stackability and mechanical strength.
  • the step "providing a perforated or reticulated substrate” it is possible in particular to provide a (carrier) film and / or a fabric substrate or. Furthermore, the step “providing a perforated or reticular substrate” preferably comprises perforating a film or a fabric substrate or producing a reticulated substrate from a fibrous substrate.
  • bonding at least one window foil to the window portion of the perforated or reticulated substrate comprises bonding by means of an adhesive and / or an adhesive layer.
  • the bonding can be effected by heating the window foil and / or the perforated or reticulated substrate.
  • the (sub) step "connecting at least one window film to the window portion of the perforated or reticulated substrate” can also be understood as applying a window film to at least one of the two main surfaces of the window portion of the substrate.
  • the step b) "embedding the security element in a value document substrate” preferably includes the (sub) step of embedding during the production of the value document substrate.
  • embedding on the paper machine can be done when paper or a paper composition is used as the value document substrate.
  • paper too a paper substrate with additives such as polymer materials, plastic fibers or other chemical additives is to be understood.
  • the release lacquer layer is preferably applied (directly) to the window foil.
  • the method may comprise the step of "applying an adhesive layer / adhesive layer to the window film and applying a release lacquer layer to the adhesive layer". Furthermore, it can be provided that the release film (directly) is applied to the release lacquer layer. Alternatively, it may be provided that the method comprises the step "arranging or applying an adhesive layer to or on the release lacquer layer and applying a release film to the adhesive layer".
  • the joining of the window foil to the window portion of the perforated or reticulated substrate as well as the application of the release lacquer layer on the window foil can be effected by means of a laminating step.
  • the lamination is carried out by means of laminating adhesive without contamination of Kaschierstrom when the laminating adhesive is applied at least on the provided with at least one continuous opening substrate layer by the kiss-print method.
  • the term "kiss print" here is the least possible touch of Kaschierklebstoff Publishedsform (For example, Kaschierklebstoff (2004)swalze) and to be provided with the Kaschierklebstoff substrate layer.
  • a sealing or self-adhesive step may be carried out in order to join the window foil to the window section of the perforated or reticulated substrate and / or to apply the release lacquer layer to the window foil. The same applies to applying the release film on the release lacquer layer.
  • the release varnish is a UV varnish.
  • a UV varnish here means that the varnish cures on ultraviolet (UV) irradiation.
  • other release layers e.g. Wax-containing and / or silicone-containing formulations are used.
  • the method for producing a value document comprises one or more method steps which lead to a security element or a value document according to the preceding aspects. Accordingly, the explained embodiments and embodiments of the security element and the value document apply in an analogous manner to the method for producing a value document.
  • the security element produced according to step a) preferably leads to a previously described security element and step b) to a previously described value document.
  • the provided perforated and / or reticulated substrate can be provided in the form of a substrate roll, so that a roll-to-roll processing is possible.
  • a substrate roll When using a substrate roll, a plurality of security elements can be made with the substrate of the substrate roll become. For example, a large number of security elements can be produced on the substrate, which at first are still connected and only separated from each other in a final step.
  • a wide substrate roll having a plurality of juxtaposed and "almost finished” security elements may be provided, this "wide” substrate roll being singulated into a plurality of "narrow" substrate roll / spindles.
  • These narrow substrate rolls or substrate spindles can then be placed on the paper machine similar to a security thread. Consequently, contiguous security elements / security element webs can be introduced / incorporated on the paper machine in value document substrate webs. The security elements are only separated from each other when the individual bows and later the benefits are cut.
  • a significant technical challenge is to incorporate the security elements in a value document / substrate in such a way that the window area of the security element is represented / provided with high edge sharpness and without surface contamination by fiber material. This high edge sharpness and surface purity is made possible by the above-described security element, value document and method for producing such.
  • a security element provided with a release film can be used to produce a value document with edge-sharp transitions.
  • a security element or security element web when introducing security element webs into a value document substrate web on the paper machine, a security element or security element web can be introduced such that a release film of the security element on the felt side and / or screen side is arranged.
  • the release film is removed or removed. This preferably takes place in the still moist state of the value document substrate web before the calendering of the value document substrate web in order to avoid or minimize a fiber tear at the transition from release film to value document substrate (web).
  • the edge / edge acuity is thereby maximized at the transition from the window area of the security element to the value document substrate. Further advantageously, the tensile forces on the paper web / value document substrate web are thereby minimized.
  • the screen side remains "open” by the security element web runs on a circumferential embossing in the paper wire.
  • step c) of the method for producing a value document preferably comprises the (sub) step "removal of the release film and optionally the release lacquer layer after embedding in the value document substrate in a still wet state of the value document substrate the wet end of the paper machine ".
  • a partial covering of the security element in / on the filtration zone in the round sieve can be carried out.
  • a masking tape is entrained on the incoming security element, which should prevent fiber deposits in the window area of the security element on the wire side or felt side of the value document.
  • the masking tape is passed around the Rundsiebtrog and pressed onto the security element or the window area of the security element. Thereby In the window area of the security element, fibers can not accumulate and thus the window area on the back / felt side remains fiber-free. It is on the Figures 11a and 11b directed.
  • sealant can be added in the paper machine in a sealing step in order to improve the bond between value document substrate and security element.
  • the sealant is introduced / applied to the paper machine, wherein, for example, the sealant adhesive is introduced into the wet end and is activated in the drying section of the sealant adhesive.
  • the value document substrate obtainable by the method according to the invention is characterized in that the security element, like a security thread, is firmly embedded / embedded in the value document substrate, the embedding areas preferably being completely hidden in the value document substrate, so that when embedding the main surfaces of the value document, the embedding areas are almost imperceptible to the viewer.
  • the embedding areas - if any - only be seen through the value document.
  • Fig.1 shows a schematic sectional view of a value document 100 with a value document substrate 102 and a security element 104, wherein the security element 104 is embedded in the value document substrate 102.
  • the security element 104 has a window area 106 and two embedding areas 108 and 110.
  • the thickness d F of the window area 106 substantially corresponds to the thickness d P of the value document substrate 102.
  • the embedding areas 108 and 110 each have a proximal end 112, 116 and a distal end 114, 118.
  • the embedding areas 108 and 110 are coupled / connected at their proximal ends 112, 116 to the window area 106.
  • the distal ends 114 and 118 of the embedding areas 108 and 110 extend into the value document substrate 102.
  • the value document substrate 102 is based on paper and optionally other additives such as polymer fibers.
  • the thicknesses d E1 and d E2 of the embedding areas 108 and 110 are smaller / thinner than the thickness d F of the window area 106.
  • the embedding areas 108 and 110 have a plurality of holes 120.
  • the embedding areas 108 and 110 are securely embedded in the value document substrate 102.
  • the value document substrate 102 encloses the embedding areas 108 and 110, wherein additionally value-document substrate penetrates into the holes 120 of the embedding areas 108 and 110. In this way it is achieved that in the embedding area through the holes 120 through cross connections of value document substrate can arise. Pulling out the embedding areas 108 and 110 from the value document substrate 102 is thereby made considerably more difficult.
  • the value document substrate 102 has major surfaces HF P , which are usually printed. Since the main surfaces HF F of the window area 106 lie in the same plane as the plane respectively spanned by each of the main areas HF P , printing or other processing of the areas of the value document 100 can take place without special measures , Because no thickness difference between window area 106 and value document substrate 102 has to be considered. For example, by such a configuration also a further processing, such as the lamination of other layers on the surfaces of the value document 100, possible.
  • a transfer element can be applied to one or both of the main surfaces HF F.
  • the transfer element can protrude far beyond the window region 106, so that the transfer element covers at least partially one of the main surfaces HF F and at least partially the main surface HF P bordering the main surface HF F. This embodiment is not shown.
  • Fig. 2 11 shows a schematic sectional view of a value document 200, comprising a value document substrate 202 and a security element 204 embedded therein.
  • the security element 204 comprises a window area 206 and two embedding areas 208 and 210.
  • the embedding areas 208 and 210 are arranged near the (lower) main surface HF F of the window area 206, while the embedding areas 108 and 110 are arranged in Fig. 1 approximately from both main surfaces HF F of the window portion 106 have the same distance.
  • the embedding areas 206 are surrounded by the value document substrate 202.
  • Fig. 3a shows a schematic representation of a security element 300 in plan view.
  • the security element 300 comprises a window area 302 and two embedding areas 304 and 306.
  • the embedding areas 304 and 306 each have a multiplicity of holes 308.
  • the embedding area 304 adjoins the window area 302 laterally at its proximal end 310.
  • the embedding area 306 is laterally coupled to the window area 302 with its proximal end 314.
  • the entire security element 300 has a width BS extending from the distal end 312 of the embedding area 304 to the distal end 316 of the embedding area 306.
  • the width BS of the security element 300 is composed of the sum of the width b E1 of the embedding area 304, the width b F of the window area 302, and the width b E2 of the embedding area 306.
  • the widths b E1 and b E2 of the embedding areas 304, 306 are in the range of 1 to 160 mm.
  • the width b F is in the range of 1 to 20mm.
  • the security element 300 also has a length or longitudinal extent LS, which lies in a range of 1 to 100 mm, preferably in a range of 4 to 80 mm.
  • FIG. 11 shows a value document 320 comprising a value document substrate 324 and a security element 300 embedded therein according to FIG Fig. 3a in the plan view.
  • the main surface HF F of the window area of the security element 300 can be seen from above.
  • the longitudinal extent LS of the security element 300 corresponds to the length LW of the value document 320 or the edge length K LW of the value document 320. From the top view according to FIG Fig. 3b Furthermore, the width b F of the window area 302 is visible. The width b F can also be called the transverse extent of the window area 302. Preferably, the descriptions of the security elements 104 and 204 apply to the security element 300 in an analogous manner.
  • Fig. 4a shows a schematic representation of a security element 400 in plan view.
  • the security element 400 includes a window area 402 with a major area HF F and an embedding area 404.
  • the embedding area 404 includes a plurality of holes 406. As shown in FIG Fig. 4a is visible, the embedding area 404 laterally adjoins the window area 402.
  • the embedding area 404 completely encloses the window area 402 along the (lateral) perimeter of the window area 402.
  • the security element 400 is configured such that the window area in a value document forms, for example, a see-through window, while the window area 302 of the security element 300 forms a stripe or security window strip , These are also the essential differences between the security element 400 and the security element 300.
  • the further configurations apply to the security element 400 analogously to the previously described security elements.
  • Fig. 4b shows a value document 420 having a value document substrate 424 and a security element 400 embedded therein, with only the window area 402 being visible.
  • the width b F and the length 1 F of the window area 402 are in a range of 1 to 98 mm.
  • the window area 402 has a window area / area in the range of 1 to 2000 mm 2 .
  • Fig. 5a shows a security element 500 with an embedding area 502 and a window area 510.
  • the embedding area 502 is formed as a net-shaped substrate or as a fabric.
  • the embedding area 502 has a plurality of land areas 504 and cross areas 506.
  • a plurality of land areas 504 converge at a cross area 506, respectively.
  • the crest portions 506 and the land portions 504 surround openings 508 which form holes through which the security substrate can penetrate.
  • Fig. 5b 11 shows a value document 520 in plan view with a value document substrate 524 and a window area 510 which corresponds to the window area 510 of the security element 500.
  • the major areas HF P and HF F of the value document substrate 524 and the window area 510 can be seen.
  • the further configurations to the previously described security elements preferably apply analogously to the security element 500.
  • the Fig. 5b shows, in particular, a security element 500 embedded in the value document 520, the window area 510 being designed as a see-through window. Furthermore, the window area 510 may also be a window strip according to FIGS. 3a and 3b ,
  • Fig. 6 shows a schematic structure of a security element 600, which comprises a perforated or reticulated substrate 602 and a window foil 612.
  • the perforated or reticulated substrate 602 includes a window portion 604 and two embedding portions 606 and 608.
  • the embedding portions 606 and 608 are joined at their proximal ends 614 and 618 to the window portion 604.
  • the embedding sections 606 and 608 have holes (not shown) provided by perforations or a net shape of the perforated or reticulated substrate 602.
  • the window portion 604 of the perforated or reticulated substrate 602 may also have holes.
  • the perforated or reticulated substrate 602 may be formed as a thin and perforated carrier film.
  • the perforated or reticulated substrate 602 may have a configuration as in FIG Fig. 2 . 3a or 4a have shown. Furthermore, the perforated or reticulated substrate 602 may have a configuration as appropriate Fig. 5a has been described.
  • the perforated or reticulated substrate 602 has two opposing major surfaces HFs. Further layers or substrates can be arranged / applied on these main surfaces HFs. How out Fig. 6 can be seen, on one of the main surfaces HF S, an adhesive layer 610 in the window portion 604 of the perforated or reticulated substrate 602 may be arranged. This adhesive layer 610 may serve to provide a secure bond between the window portion 604 and a window foil 612. In other words, the adhesive layer 610 is disposed between the window portion 604 and the window film 612.
  • the window foil 612 is preferably transparent. Additionally or alternatively, the window film 612 may be printed. Furthermore, the window foil 612 may be used as (window) strip, as in FIG Fig. 3 shown, be designed. According to an alternative embodiment, the window foil 612 may be in the form of a patch or window, as in FIG Fig. 4a, 4b or 5a, 5b shown, be designed.
  • the adhesive layer 610 has dimensions such that the edges of the window portion 604, the adhesive layer 610, and the window film 612 are congruent.
  • the perforated or reticulated substrate 602 has a thickness ds of 6 ⁇ m.
  • the Window film 612 has a thickness d F in the range of about 80 ⁇ m.
  • the adhesive layer preferably has a thickness in the range of about 5 ⁇ m.
  • the perforated or reticulated substrate 602 and / or the window foil 612 comprises as a (base) material polyethylene terephthalate (PET) and / or polypropylene (PP).
  • base material polyethylene terephthalate (PET) and / or polypropylene (PP).
  • the security element 600 may be embedded in a value document substrate in an embedding step, wherein the embedding sections 606 and 608 are at least partially enclosed by the value document substrate and the value document substrate is embedded in holes (in Fig. 6 not shown) penetrates or deposits.
  • a security element 600 embedded in a value document may, in particular, have a configuration as shown in FIG Fig. 2 is shown.
  • Fig. 7 shows a schematic structure of a security element 700, which comprises a perforated or reticulated substrate 702 and two window films 712 and 716.
  • the perforated or reticulated substrate 702 includes a window portion 704 and two embedding portions 706 and 708.
  • the in Fig. 7 shown security element 700 which is shown in a sectional view, analogous to the configuration of a security element according to Fig. 3a, 3b but also like in Fig. 4a, 4b be designed.
  • the embedding sections 706 and 708 are configured as a common embedding section and contiguous embedding sections, respectively.
  • the embedding sections 706 and 708 adjoin the window section 704 laterally with their proximal ends 718 and 722.
  • the embedding sections 706 and 708 further include holes (not shown) located in an area between the proximal ends 718, 722 and the distal ends 720, 724.
  • the holes are preferably configured as openings / openings that extend from one of the main surfaces HF to the other main surface HFs of the perforated or reticulated substrate 702.
  • HFs adhesive layers 710 and 714 may be disposed on both major surfaces.
  • the window film 712 may be arranged on the adhesive layer 710, while window film 716 may be arranged on the adhesive layer 714. If no adhesive layers 714, 716 are provided, the window foils 712, 716 are preferably arranged directly on the respective main surface HFs.
  • the perforated or reticulated substrate 702 forms a middle layer located between the two window films 712 and 716.
  • the security element 700 may be embedded in a value document substrate to form a value document.
  • a value document preferably has a configuration as in Fig. 1 shown on.
  • the window films 712 and 716 can, as in the Fig. 3a and 3b shown to be formed as a strip. Further, the window films 712 and 716 may act as windows or patches, as in FIG Fig. 4a, 4b and 5a, 5b Shown to be designed. According to a further embodiment, the window films 712 and 716 have mutually different designs.
  • the window film 712 may be analogous to the window 402 Fig. 4b or the window area 510 according to FIG Fig. 5a and 5b be designed while the window film 716 according to a film strip, as in Fig. 3a and 3b shown, can be designed. Further preferably, the window films 712 and 716 may also include diamond shaped circular shapes.
  • Fig. 8 Figure 11 shows a security element 800 having a perforated or reticulated substrate 802, a window foil 812, a release lacquer layer 816 and a release foil 818.
  • the perforated or reticulated substrate 802 comprises a window portion 804 and two embedding sections 806 and 808.
  • the perforated or reticulated substrate 802 may be formed as a thin perforated carrier film or as a fabric / mesh. Regardless of whether the perforated or reticulated substrate 802 is formed as a support sheet or fabric, at least the embedment sections 806 and 808 include holes (not shown) through which value document substrate may diffuse.
  • the perforated or reticulated substrate 802 has two main surfaces HF S , to which further layers can be arranged.
  • the window film 812 and the release lacquer layer 816 are arranged in the window section 804 on at least one of the main surfaces HFs of the perforated or reticulated substrate 802.
  • additional adhesive layers 810 and / or 814 may be provided.
  • the adhesive layer 810 is located between the window foil 812 and the window portion 804 of the perforated or reticular substrate 802 to securely apply the window foil 812 to the major surface HFs of the perforated or reticulated substrate 802.
  • Adhesive layer 814 is applied to the surface of window foil 812 opposite adhesive layer 810 in order to securely arrange release lacquer layer 816 on window foil 812.
  • the window foil 812 is preferably transparent.
  • the window film 812 may also be printed. Printing on the window film 812 may be on one or both of the adhesive layers 810 and 814, respectively Surfaces or main surfaces are applied. Alternatively or additionally, the release lacquer layer 816 may also be printed and / or embossed.
  • a release film 818 may be applied to the release lacquer layer 816.
  • This release sheet 818 is preferably releasably bonded to the release lacquer layer 816.
  • the security element 800 with a release film 818 has a thickness d R that is higher / thicker than a thickness d P of a value document or value document substrate into which the security element is to be embedded.
  • the security element 800 can be introduced or embedded with the release film 818 on a paper machine into a value document substrate.
  • the release sheet 818 of a security element 800 embedded in a value document substrate / value document thus stands out.
  • the release sheet 818 may be removed after embedding the security element 800 into the value document substrate while the value document substrate is still wet.
  • the fiber tear in the transition region from value document substrate to release film 818 will be low, thereby achieving high edge sharpness at this transition.
  • deckle edges at the transition from value document substrate to release lacquer layer 816 can thereby be reduced or avoided.
  • the release film 818 is separated from the release lacquer layer 816 at a separation point 822.
  • Fig. 9 11 shows a sectional view of a security element 900 with a perforated or reticulated substrate 902, a window foil 910, a release lacquer layer 912 and a release foil 916.
  • the perforated or reticulated substrate 902 comprises a window section 904 which is arranged between two embedding sections 906.
  • the two major surfaces HFs of the perforated or reticulated substrate 902 form side surfaces or top and bottom, which can be printed, pasted or structured.
  • a window foil 910 is arranged in the window section 904. This can preferably be done by means of an adhesive layer 908.
  • a release lacquer layer 912 is arranged on the side of the window foil 910 facing away from the perforated or reticulated substrate 902.
  • the window foil 910 is preferably transparent. Both the side facing the perforated or reticulated substrate 902 and the release lacquer layer 912 facing side of the window film 910 may be printed or be printed.
  • the release lacquer layer 912 preferably comprises a lacquer which is curable by ultraviolet (UV) irradiation.
  • the release lacquer layer 912 may be printed and / or embossed. In other words, the release lacquer layer 912 may be structurable.
  • the release film 912 may preferably have the release film 916 disposed on the release paint layer 912.
  • the purpose of the release film 916, analogous to the release film 818, is to provide a security element 900 which has a maximum thickness d R which is thicker than a value document substrate / document of value into which the security element 900 is to be embedded.
  • an adhesive layer 914 is disposed between the release lacquer layer 912 and the release film 916.
  • the release lacquer layer 912, the adhesive layer 914 and the release film 916 are connected to one another in such a way that they can be separated from the window film 910 at the separation point 918.
  • This peeling is preferably carried out after introduction of the security element 900 into the value document substrate on the paper machine, when the value document substrate is still in a moist state.
  • the release film 916 and the adhesive layer 914 are connected to one another in such a way that they can be separated off or pulled off from the release lacquer layer 912 at the separation point 920.
  • the release sheet 916 and adhesive layer 914 may be peeled off in the wet end on the paper machine after the security element 900 has been inserted into the value document substrate.
  • a security element according to one of Fig. 1 to 9 can be prepared by various methods.
  • a security element can be produced by means of a sealing or self-adhesive operation.
  • a PET substrate preferably with a thickness of 12 ⁇ m
  • a window foil is applied by means of a heat-sealing process.
  • the PET substrate is coated in a window section with a transparent (seal) adhesive.
  • the window foil is applied to the adhesive-coated window section. Patches can for example be applied in accordance with a self-adhesive label application in the register.
  • Strips may also be applied in this manner, with such strips applied to a siliconized donor substrate be separated or withdrawn from the donor substrate shortly before application.
  • the window foil preferably comprises further layers, such as a release lacquer layer and / or a release foil, which are already on the window foil before the window foil is applied to the PET substrate.
  • a security element can be produced by means of a laminating process.
  • a laminating adhesive of 0.5 to 2.0 g / m 2 may be applied to both major surfaces of a perforated or reticulated substrate. This can be done for example with roller printing and / or with a gravure printing process.
  • a window foil is applied to the perforated or reticulated substrate.
  • the perforated or reticulated substrate has a thickness of about 12 microns, while the window film has a thickness of about 40 microns.
  • the laminating adhesive layer between the perforated or reticulated substrate and the window foil has a thickness of about 1 ⁇ m.
  • This difference in thickness between adhesive and window foil counteracts the risk of squeezing out of the adhesive and thus blocking of the rollers or the gravure printing machine.
  • UV-curing systems can be used.
  • the laminated strips or security elements are lined up and therefore form a long band, which is typically rolled up onto a roll.
  • the laminated strips or the security elements are close together, resulting in a piston formation in the role. This is advantageous in terms of the winding pressure during curing.
  • a base substrate 1000 is provided.
  • the base substrate 1000 includes at least one main surface HF B.
  • a release varnish 1002 is applied or applied to the main area HF B.
  • An adhesive layer 1004 is applied to the release lacquer / release lacquer layer 1002 and to the window area 1003 of the base substrate 1000.
  • the adhesive 1004 is a laminating adhesive to which a window film 1006 is applied.
  • the window foil 1006 is wider than a window area 1003 of the base substrate 1000 and protrudes into the embedding areas 1001.
  • the release lacquer layer 1002 is preferably colored for better controllability during the manufacturing process.
  • weakenings 1008 are introduced by means of punching, laser or knife.
  • the base substrate 1000 may be provided with holes in the embedding areas 1001 so that the base substrate 1000 is a perforated or reticulated substrate.
  • the holes may be inserted into the base substrate 1000 at a later time to obtain a perforated or reticulated substrate.
  • the window foil, the adhesive layer 1004 and the release lacquer layer 1002 are removed from the embedding area 1001 of the base substrate 1000.
  • a security element 1012 as in FIG Fig. 10c shown, received.
  • the holes can be introduced into the embedding areas 1001.
  • the base substrate 1000 is already at a time, as in FIG Fig. 10a shown provided with holes in the embedding areas 1001, and thus already forms a perforated or reticulated substrate as described above.
  • the embedding areas of the security elements or a roll with a plurality of juxtaposed and successively arranged / ranked security elements can be perforated in a last operation by means of a laser cutting machine or a punch.
  • a perforation can be introduced into the embedding areas 1001 of the security element 1012 only if the security element has a design, as in FIG FIG. 10c shown.
  • a separation of security elements of a security element roller can be done after the introduction of the perforation.
  • an adhesive layer eg, sealant, may be applied to the embedding areas to allow further improved anchoring in the value document substrate.
  • Figures 11a and 11b show a schematic arrangement of a cover strip 1112 over a security element 1110 or a window area of the security element 1110 in a paper machine 1100.
  • the window area of the security element 1110 is covered by the cover strip during the filtration zone in the round screen 1102.
  • the cover strip 1112 is guided on the incoming security element 1110, which is intended to prevent fiber deposits on the thread back.
  • the masking tape 1112 is passed around the round-screening tray 1104 and pressed onto the security element 1110. As a result, no fibers can accumulate on the thread back and thus the back of the thread remains fiber-free.
  • the masking tape 1112 is guided by a Umlenkband 1106 and a plurality of pulleys 1108 around the Rundsiebtrog 1104 and pressed against the round screen 1102. Further, a second perforated or recessed paper ply may then be applied to the now-produced layer of value document substrate such that the security element 1110 is disposed between two of documents of value document substrate and the window area of the security element is visible from both sides / major surfaces of the resulting value document is.
  • this arrangement results in a better composite of the security element 1110 or the embedding areas of the security element 1110 in the value document substrate / paper composite.
  • a security element 1110 may be configured as a security element of the previous description.

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  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
EP14004345.6A 2014-01-03 2014-12-19 Element de securite, document de valeur et procede de sa fabrication Active EP2891561B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014000151.2A DE102014000151A1 (de) 2014-01-03 2014-01-03 Einbettung von Folien in Papier

Publications (2)

Publication Number Publication Date
EP2891561A1 true EP2891561A1 (fr) 2015-07-08
EP2891561B1 EP2891561B1 (fr) 2020-03-04

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EP14004345.6A Active EP2891561B1 (fr) 2014-01-03 2014-12-19 Element de securite, document de valeur et procede de sa fabrication

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EP (1) EP2891561B1 (fr)
DE (1) DE102014000151A1 (fr)
ES (1) ES2780360T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018068889A1 (fr) * 2016-10-10 2018-04-19 Giesecke+Devrient Currency Technology Gmbh Procédé d'intégration de fils de sécurité dans des documents de valeur
WO2018145813A1 (fr) * 2017-02-10 2018-08-16 Giesecke+Devrient Currency Technology Gmbh Support de données à élément de sécurité de fenêtre

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314380A1 (de) * 1993-05-01 1994-11-03 Giesecke & Devrient Gmbh Sicherheitspapier
WO2000039391A1 (fr) * 1998-12-29 2000-07-06 De La Rue International Limited Ameliorations apportees a la fabrication de papier
GB2390056A (en) * 2002-06-25 2003-12-31 Rue De Int Ltd Paper having apertures which expose an edge of a security thread.
EP2182112A2 (fr) * 2007-07-18 2010-05-05 Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie 'Goznak' (FGUP 'GOZNAK') Procédé de fabrication de papier protégé contre la contrefaçon (et variantes) et papier protégé contre la contrefaçon (et variantes)

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314380A1 (de) * 1993-05-01 1994-11-03 Giesecke & Devrient Gmbh Sicherheitspapier
WO2000039391A1 (fr) * 1998-12-29 2000-07-06 De La Rue International Limited Ameliorations apportees a la fabrication de papier
GB2390056A (en) * 2002-06-25 2003-12-31 Rue De Int Ltd Paper having apertures which expose an edge of a security thread.
EP2182112A2 (fr) * 2007-07-18 2010-05-05 Federalnoe Gosudarstvennoe Unitarnoe Predpriyatie 'Goznak' (FGUP 'GOZNAK') Procédé de fabrication de papier protégé contre la contrefaçon (et variantes) et papier protégé contre la contrefaçon (et variantes)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018068889A1 (fr) * 2016-10-10 2018-04-19 Giesecke+Devrient Currency Technology Gmbh Procédé d'intégration de fils de sécurité dans des documents de valeur
CN109803836A (zh) * 2016-10-10 2019-05-24 捷德货币技术有限责任公司 用于将防伪线嵌入有价值的文件中的方法
CN109803836B (zh) * 2016-10-10 2021-01-15 捷德货币技术有限责任公司 用于将防伪线嵌入有价值的文件中的方法
WO2018145813A1 (fr) * 2017-02-10 2018-08-16 Giesecke+Devrient Currency Technology Gmbh Support de données à élément de sécurité de fenêtre

Also Published As

Publication number Publication date
ES2780360T8 (es) 2020-09-16
EP2891561B1 (fr) 2020-03-04
ES2780360T3 (es) 2020-08-25
DE102014000151A1 (de) 2015-07-09

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