ES2294420T3 - VALUE DOCUMENT - Google Patents

Abstract

A security document has a cut out that is covered by a foil that is partly embedded at its edges within the document, or applied to one or both sides. The foil is introduced to the security document during the production process. In a further embodiment the foil material incorporates functional materials in the vicinity of the window aperture or the thickened embedded zone. The foil incorporates a filter or a magnifying glass to reveal an underlying feature. The functional layer may be an optical feature e.g. hologram, be an electrical conductor, a magnetic feature, a tactile feature or have diffractive properties that are visually recognisable and are machine readable. Also claimed is a commensurate foil material.

Description

Value document

The invention relates to a document of value with at least one window, which is covered by a material in sheet shape, which is embedded in the substrate of the document of value or that is applied on it by one or both sides.

Value documents are presented that present as security element an embedded thread or band. In this case, the security element may be constituted by a transparent support substrate and may have one or more decorative and / or functional layers.

It is known from EP 0 279 880 A1 a value paper, in which the element of substrate security in such a way that the security element It is invisible on each side.

It is known from EP 0 400 902 a Banknote presenting a window covered by a sheet. In this case, the sheet forms a security element, which can present various characteristics, but, in any case, always presents a partial metallic zone, appearing to simple view at least two metallic surfaces of different color than the reflection of light, which form image structures, which repeated throughout the security element. The sheet is presented free only on one side of the banknote.

It is known from the publication EP 0 724 518 B1 a valuable paper that presents at least one window bridged by a sheet, which passes through the paper, the sheet being formed of transparent way inside the window contour, being, by example, a sheet of synthetic material.

It is known from publication DE 10256 493 a coating, which can be thermally activated, to sheet materials.

It is known by the publication US-A-4 462 867 a thread that can be embedded in a substrate, and that is perforated.

It is known by the publication EP-A 0 4000 902 a value document that presents a security element, which is partially embedded the document and that is partially visible on the surface.

The task of the present invention consisted of provide a valuable document and a feature of security for valuable documents, which can be integrated into it already at the time of manufacturing the substrate for the document of value or that can be applied on it.

Thus, the object of the invention consists in a valuable document, which presents a recess, which is bridged by a sheet material, characterized in that the sheet material is partially provided with a coating or layer on those points where the sheet material does not it is covered, in the finished value document, with material of value document substrate, whose coating or layer are hardly wettable with the substrate material of the document of value during the manufacturing process, being constituted the coating or coating by methacrylate-based varnishes with additives, such as silicone oils, polyethylene or fluorinated polymers, or by thin layers of thin oil, by polyamide, polyethylene or fluorinated polymers polymers, by layers of wax, if necessary by silicones, which can be crosslinked by UV, or by long chain hydrocarbons or by nanostructured surfaces and because the sheet material is partially equipped in that area, in which it is covered by the substrate of the document of value, with a flattering of the adhesion, which can be thermally activated, based on a ethylene acrylate copolymer and / or is perforated and / or is microperforated and / or is wrinkled and / or is die cut.

The sheet material may be provided with a or several functional layers, all over its surface or partially, that serve for the identification and for the recognition of the authenticity. However, the sheet material may be provided with such layers, only, in that area where the material sheet is not covered, in the finished value document, by the value document substrate, or in that area where the sheet material is fully covered by the substrate of the value document

The sheet materials can be, by for example, support sheets, preferably flexible sheets of synthetic material, for example constituted by PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC. The support sheets preferably have a thickness between 3 and 700 µm, preferably between 5 and 200 µm, especially preferably  between 5 and 50 µm.

As sheet materials can hologram sheets, sheets with effects of color, if necessary in combination with other elements of security.

Similarly, as support substrates they can also serve metal sheets, especially sheets of Al, Cu, Sn, Ni, Fe or special steel, with a thickness between 5 and 200 µm, preferably comprised between 10 and 80 µm, especially preferably comprised between 20 and 50 µm. Similarly, the sheets may be surface treated, may be coated or lined, by For example, with synthetic materials or they may be varnished.

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Similarly, as support substrates paper, especially paper, can also be used transparent or translucent with high custom resistance, or composite materials with paper, for example composite materials with synthetic materials with a surface weight between 20 and 500 g / m2, preferably between 40 and 200 g / m2.

Similarly, as support substrates fabrics or fleeces, such as the fleeces of continuous fibers, fleeces of short fibers and the like, which, in if necessary, they may be punched and / or calendered. By way of preferably, such fabrics or fleeces are constituted by synthetic materials such as PP, PET, PA, PPS and the like, being able to use, however, fabrics or fleeces constituted by natural fibers, if treated, such like viscose fibers. The fleeces or fabrics used they have a surface weight between approximately 20 g / m2 to 500 g / m2. If necessary, the fleeces or the tissues have to undergo a superficial treatment.

The sheet material may have one or several functional and / or decorative layers.

These layers may present, for example, certain electrical, magnetic, chemical, physical properties or even optical.

To obtain the electrical properties, for example conductivity, can be added, for example, graphite, soot, conductive organic or inorganic polymers of the electricity, metallic pigments (for example copper, aluminum, silver, gold, iron, chrome and the like), metal alloys such as copper-zinc or copper-aluminum or even amorphous or crystalline ceramic pigments such as ITO, FTO, ATO and the like. In addition, they can also be used as additives, doped or undoped semiconductors such as by example silicon, germanium, gallium arsenide, arsenic or ion conductors such as metal oxides or amorphous or crystalline metal sulfides. Similarly, they can be used or added, for the establishment of the properties electrical coatings, polar or partially polar compounds, such as surfactants, or nonpolar compounds such as silicone additives or hygroscopic salts or not hygroscopic In the same way, organic polymers can be added intrinsically conductors of electricity such as the polyaniline, polyacetylene, polyethylene dioxythiophene and / or polystyrene sulfonate.

For the establishment of the properties magnetic paramagnetic, diamagnetic products can be used and even ferromagnetic such as iron, nickel, barium and cobalt or its compounds or salts (for example oxides or sulfides). Especially suitable are the oxides of Fe (II) and of Fe (III), barium ferrite or ferrite of Cobalt, rare earths and the like.

The optical properties of the layer can be influenced by inks or visible pigments, by dye medium or luminescent pigments, which emit fluorescence with visible light, in the UV region or in the IR region or inks or phosphorescent pigments, heat insensitive, pigments to give effect, such as liquid crystals, iridescent pigments of pearl luster, of bronze and / or with several layers. These can be used in all Possible combinations

Similarly, they can also be provided fields that can be read by laser or features at touch.

Especially, when a fleece is used, by way of support substrate, they may be present, by example, grainy features, structurally drawn in certain areas

Various properties can also be combined by adding the various additives above cited. In this way, it is possible to use magnetic pigments colored and / or electricity conductors. In this case, they can use all electricity conductive additives cited.

Especially for coloring pigments magnetic can be used all dyes or Known, soluble and non-soluble pigments. As an example, the metallic color hue can be adjusted, for example silver, a brown magnetic ink by adding metals

All dyes and pigments can be used alone or even in combination with various agents natural or synthetic binders, such as for example oils and natural resins, such as phenolformaldehyde, urea, melamine, ketone, aldehyde, epoxy resins, of polyterpene. As additional binding agents they can used, for example, polyesters, alcohols polyvinyl, acetates, ethers, propionates and polyvinyl chlorides, poly (methyl) acrylates, polystyrenes, olefins, nitrocelluloses, polyisocyanates, urethane systems and others.

All these layers can be applied by known procedures, for example, by treatment with steam, bombardment with electrons, printing (hollow printing engraving, flexography, screen printing, digital printing, printing Offset and the like), by spraying, by galvanizing and Similar.

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However it can be applied or it can also apply a layer that has a surface structure, for example a diffractant structure or a surface relief, said structure being preferably punched in a varnish layer that can be hardened by irradiation.

Similarly, they can be applied or they can apply other layers by known procedures, with precision record, on its entire surface or so partial.

These layers can present, respectively, codifications or negative encodings in the form of samples, of drawings, of microlines and macro-lines, of letters, of images, of linear elements, which can be mathematically defined, of reliefs, of guillocks, as well as elements that can be read mechanically and the like.

As difficult to wet layers or either non-wettable or hydrophobic come into consideration, for example, varnish layers with low surface energy or surfaces nanostructured A title of varnish compositions enter consideration, for example, methacrylate-based varnishes with additives, such as silicone oils, polyethylene or fluorinated polymers and the like. They can also be used, too, very thin layers of oil applied superficially, polymers in polyamide, polyethylene or fluorinated, wax layers, in case given silicones that can be crosslinked by means of UV, or long chain hydrocarbons.

Similarly, training can be applied. laminated with a corresponding thickness on the substrate of support, in the area of the support substrate, which is visible after of the embedding in the substrate of the value document, of such so that at the time of manufacturing the substrate of the value document no substrate can be deposited in this zone. In this case it can be applied, for example, on corresponding optical characteristics a filter or a lens, for example of synthetic material, being visible or even being augmentedly visible only then, for example, the features below.

As a coating, which can be activated by thermal track, which is present in the zone of the anchor of the material of sheet in the substrate on the sheet material, enters consideration, for example, a composition that is constituted to base of an ethylene acrylate copolymer and that can be applied superficially according to the various varnishing and printing procedures, in smooth cylinders, in procedures for the formation of frames and for the formation of linear frames, respectively with rotation in the same direction or in opposite directions. It has been described, to example title, in publication DE 10256493 A1 a composition corresponding coating, suitable.

The coating composition that can be thermally activated can be, if necessary, colored and / or pigmented, all dyes being suitable or all known pigments

Similarly, the security element of In accordance with the invention, it may be perforated and / or microperforated and / or wrinkled (chemically or mechanically) and / or die cut in the anchorage area on the substrate of the document of value by means of known procedures according to the state of the technique.

This improves the adhesion of such so that a detachment of the safety feature.

Of course it is enough, in general, one of these measures, however, according to the substrate used for the paper of value

The described sheet material can be arranged in the substrate of the value document, which if necessary has several layers, either by application on it or, preferably, by embedding in it.

In this case they can form the substrate of value document synthetic material sheets, for example constituted by PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC.

Similarly, metal sheets can be used, for example sheets of Al, Cu, Sn, Ni, Fe or steel special, also, as support substrate. In the same way, the sheets may be surface treated, coated or lined for example with synthetic materials or they can be varnished

Similarly, paper, paper with cellulose or cellulose-free paper, cotton paper, or composite materials with paper, for example composite materials with synthetic materials with a surface weight between 20 and 500 g / m2, preferably between 40 and
200 g / m2.

Similarly, they can be used as a Value document substrates, also tissues or fleeces, such as continuous fiber fleeces, fleeces of staple fibers and the like, which, if appropriate, may be punching and / or calendering. Preferably, such fabrics or fleeces are made of synthetic materials such as PP, PET, PA, PPS and the like, and can also be used without However, fabrics or fleeces constituted by natural fibers, in given case treated, such as viscose fibers.

In this case the application can be carried out on one side or on both sides of the corresponding substrate or the application can be carried out between two layers of a substrate that is already dimensionally stable, by application exact registration and marking of sheet material in the form known, for example, by EP-1 318 016, being provided a substrate with corresponding recesses, in the which the described sheet material bridges by one or both sides to the recesses, or it is embedded between the layers.

Preferably, the sheet material described will be embedded or applied, with precision registration, of course already at the time of manufacturing the substrate.

In this case, a composition will be provided easily removable from the substrate on those points in the that the sheet material described above must be visible surface, for example a watermark.

After the substrate manufacturing of the Value document can be easily removed, mechanically, the rest of the substrate above the part of the material of sheet, which is equipped with the repellent coating of the substrate that, however, has been left over, if applicable, on the sheet material.

According to the coating used by the sheet material, the paper layer formed in given case, simply by displacement, by rinsing, by blown or even only at the time of the cutting process.

In this case, the recesses in the substrate of the value document can present any geometric shape arbitrary, for example they can present a circle shape, of trapezoid, rectangle, square or polygon or ellipse.

If applicable, the shape of the recess in the substrate also with a value determined or with a certain function, or with an origin determined.

In figures 1 to 6 they have been represented value documents in accordance with the invention that they present sheet materials in accordance with the invention.

In this case, 1 means the substrate of the value document, 2 means the sheet material according to the invention, 3 means the recess, 4 means the area equipped with a layer of adhesion promoting agent or with a perforation or with a microperforation or with a die cut, 4th means the area equipped with a repellent coating or with a thick coating or with a lens, 5 means a characteristic  security visible in the recess, for example a structure diffractant, a stamping or a feature that can be mechanically read or a field that can be read by means of laser or a touch feature, 6 means an element of safety placed partly on the surface of the substrate with a safety feature 6a.

In figure 1 and in figure 4 it has been represented a sheet material, embedded between the layers of the substrate, with the corresponding zones, which are equipped with the repellent coating or with a layer that provides the adhesion, the sheet material may be embedded, such as depicted in figure 3, only in one area limited substrate or, as depicted in Figure 5, a across the entire surface of the substrate.

A material of sheet, which bypasses on both sides the recess of the substrate, having also represented those areas that are equipped with the repellent coating and those areas that have been treated to improve adhesion capacity.

In figure 6 a material of sheet, in accordance with the invention, applied in part on the substrate surface, which is also partially embedded and which is visible in the recess, having been represented by title For example, the corresponding safety features (6a, 5).

The sheet material, in accordance with the invention, can be used for embedding and / or for partial or total application if necessary after a preparation corresponding as security feature in documents of value, in data carriers, in containers and the like.

Claims (12)

1. Value document, which presents a recess, which is bridged by a sheet material, characterized in that the sheet material is partially provided with a coating or with a layer at those points on which the sheet material is not covered in the value document, finished, with substrate material of the value document, whose coating or whose layer is hardly wettable with the substrate material of the value document during the manufacturing process, this coating or this layer being constituted by base varnishes of methacrylate with additives, such as silicone oils, polyethylene or fluorinated polymers, or by thin layers of oil, polyamide polymers, polyethylene or fluorinated polymers, wax layers, if necessary silicones that can be crosslinked by means of UV , or long chain hydrocarbons or nanostructured surfaces and because the sheet material is provided with a flattering d and the adhesion, which can be thermally activated, based on an ethylene acrylate copolymer, partially in that area where it is covered by the substrate of the value document and / or is perforated and / or is microperforated and / or is wrinkled and / or die cut. 2. Value document according to claim 1, characterized in that the sheet material is embedded, at least partially, in the value document. 3. Value document according to one of claims 1 or 2, characterized in that the sheet material bridges one or more recesses in the value document substrate, on one or both sides. 4. Value document according to one of claims 1 to 3, characterized in that the sheet material has functional layers in the recess area and / or in the embedded area. 5. Value document according to one of claims 1 to 4, characterized in that the sheet material has a stratified formation in the recess area with a corresponding thickness. 6. Value document according to claim 5, characterized in that the sheet material has a filter or a lens in the area of the recesses, for example of synthetic material, the characteristic below being visible through it. 7. Value document according to one of claims 1 to 6, characterized in that the sheet material has one or more decorative and / or functional layers. 8. Value document according to claim 7, characterized in that the decorative and / or functional layers have optical and / or conductive characteristics of electricity and / or magnetic and / or diffractants and / or tactile. 9. Value document according to claim 7, characterized in that the characteristics can be recognized with the naked eye and / or can be read mechanically. 10. Value document according to one of claims 1 to 9, characterized in that the recesses have a geometric shape, for example a circle, trapezoid, rectangle, square or polygon or ellipse shape. 11. Value document according to one of claims 1 to 10, characterized in that the shape of the recess in the substrate is correlated with a certain value, or with a specific function, or with a specific origin. 12. Value document according to one of claims 1 to 11, characterized in that the sheet material is embedded in the substrate, at least in part, during the manufacturing process of the value document, with precision registration.