Safety label provided with system of authenticity confirmation and detection of manipulations

FIELD: printing.

SUBSTANCE: invention relates to a security element, in particular to security labels or adhesive tapes. The security element comprises the following layers: a) a substrate-carrier; b) a reflecting layer or layer with a high refractive index; c) a partial separation layer of varnish; d) the adhesive intermediate coating applied to the entire surface; e) the adhesive layer applied on the entire surface where the adhesive coating d) is in those places where there is no separation layer of varnish c), adhesion of the layer b) with the substrate-carrier a) is disturbed, and in case of attempt to manipulate due to separation of the layer b) it is separated from the substrate-carrier a) in those areas where there is no separation layer of varnish c).

EFFECT: proposed security element provides ease of detection of manipulation with it.

11 cl

 

The invention relates to security labels or adhesive tape, provided with a detection system manipulation, which when removing the labels from the protected object or protected packaging becomes visible hidden optical element.

From the document DE 100 22 002 A1 is known for the protective adhesive tape is used to confirm unauthorized opening of the package. Multilayer adhesive tape includes a carrier based on a stretched thermoplastic film, the upper face of which is optionally covered with a separating coating, and on the lower side of which is coated with the following layers:

a) can be applied to the entire surface of the primer layer, the primer layer is very well bonded with a thermoplastic film,

b) applied to the entire surface on the base coat of primer and the free surface of thermoplastic film separation layer, the separation layer is better bonded with a layer of primer than with a thermoplastic film, and

c) deposited on the entire surface of the separation layer adhesive sticky mass that is best stitched with a separating layer than the separation layer with a thermoplastic film.

Thus a layer of primer and then a layer which has no adhesion with the film medium.

The disadvantage of this design is that the removal of the flanged tape is still adhesive, because after removing the surface is a layer of glue.

From the document WO 01/93231 known protective label, which includes two of the microstructure, one of which is a discernible even in the absence of manipulation directivo structure, and the other is a structure that controls the separation. When you attempt to manipulate at least part of the reflecting layer are detached, making visible new visually discernible information.

The present invention was to provide a protective element, in particular a protective label, which allows it to detect manipulation, while the protective sign may be visible only during handling, and in the absence of manipulation may not be visible.

In addition, the protective element in the state after manipulation must have both a smooth, non-tacky surface.

Therefore, the object of the present invention is a protective element, in particular a protective label, characterized in that it comprises the following layers:

a) a substrate carrier;

b) a reflective layer or a layer with a high refractive index;

c) partial separation layer of varnish;

d) applied to the entire surface of the adhesive coating.

Between the layers a) and b) if necessary, may be located one or more other the layers, with optical, optically active, diffractive, electrically conductive and/or magnetic properties.

Between the layers (c) and (d) optionally can be located the adhesive layer.

As the substrate carrier is possible, for example, film media, preferably a flexible polymer film, for example, PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, polymers of fluorine, such as Teflon and the like. Film carriers preferably have a thickness equal 5-700 μm, preferably 5-200 μm, particularly preferably 5-100 μm.

If necessary, the substrate carrier may be subjected to a preliminary chemical treatment or it may be coated. The coating can be a layer of adhesive or the breakaway layer.

In addition, the substrate carrier may be provided with a layer of varnish, which has directivo structure.

Under diffractive structure here refers deflecting structure, surface reliefs, deflecting grating, hologram, Kinegram and the like.

The layer of varnish can be a radiation-curable lacquer layer or thermoplastic layer of varnish.

Curing radiation lacquer may, for example, be a radiation-curable lacquer system based on polyester, epoxy or polyurethane the th system, which contains two or more different, well-known specialist photoinitiators that at different wavelengths can initiate curing of the lacquer system in varying degrees. For example, one photoinitiator can be activated at a wavelength of equal to from 200 to 400 nm, then another photoinitiator can be activated at a wavelength of equal to from 370 to 600 nm. Between activation wavelengths of the two photoinitiators must be respected enough difference that was not too strong excitation of the second photoinitiator, while the activated first photoinitiator. The range in which excited the second photoinitiator must be within the range of noise wavelengths of the applied substrate carrier. For the main curing (activation of the second photoinitiator) can also be applied to electron irradiation.

As the radiation-curable varnish may also be used with water-dilutable lacquer. Preferred are lacquer based on polyester.

Matriciana surface structure, i.e. directives, deflecting or embossed patterns, occurs, for example, at a controlled temperature by means of a matrix or mold for stamping in curing by irradiation of the layer of varnish, which by activating the first photoinitiator was p evritania overiden to the point of gelatinization, and by the time matriciana is in this stage.

If used with water-dilutable radiation-curable varnish, if necessary, additional pre-drying, for example using an infrared irradiator.

Thermoplastic lacquer, which is then stabilized, consists of the basics of MMA or ethyl cellulose or copolymer of cycloolefin, while to the original polymer to obtain the desired thermoplastic properties or, respectively, to obtain the further possibility of stabilization are added modifiers.

Depending on the source of the polymer as modifiers are considered, for example, additives that are used to obtain the desired temperature of the glass, the area in which the varnish is in a thermoplastic condition, or properties that are essential for achieving sustainable curing lacquer.

Preferably, these components are dissolved in a solvent, for example in aqueous solvents, water, alcohols, ethyl acetate, methylethylketone and the like, or their mixtures.

To the varnish on the basis of MMA, for example, particularly preferably nitrocellulose is added to raise the temperature of the glass.

The lacquer on the basis of copolymers of cycloolefins, for example, is particularly preferably added polyethylene waxes.

The lacquer-based applications for adjustment from the reggaematic added commercially available staplers.

The concentration of the starting polymer in the finished lacquer is, depending on the source of the polymers, the desired properties of the lacquer and the type and concentration of the modifier, 4-50%.

The structuring can be performed by conventional thermal methods of printing.

The thickness of the layer of varnish may vary depending on the requirements for the final product and the thickness of the substrate and is in General from 0.5 to 50 μm, preferably from 2 to 10 μm, particularly preferably from 2 to 5 microns.

Then applied to a reflective layer or a layer with a high refractive index.

This layer may be deposited on the entire surface or partially, but at least partially overlapping each other with a separating layer of varnish.

As the reflecting layer are considered, for example, layers of metal or alloy. As the metal layer suitable layers of Al, Cu, Fe, Ag, Au, Cr, Ni, Zn and the like. Suitable alloys are, for example, alloys of Cu-Al alloys, Cu-Zn, and the like.

As a layer with a high refractive index are considered, for example, layers of metal compounds.

As metal compounds are suitable, for example, oxides or sulfides of metals, in particular TiO2, chromium, ZnS, ITO, ATO, FTO, ZnO, Al2O3or silicon oxides.

The thickness of the layer is preferably 10-100 nm, especially predpochtitelno 20-50 mm

Then we apply a partial separation layer of varnish. This separation layer of varnish can be an optionally dyed or pigmented separation layer of varnish.

Separating the layer of varnish can have light, particularly fluorescent or light-emitting properties, electrically conductive properties and/or magnetic properties.

Preferably, the separation layer of varnish obtained on the basis of water-binding agents or binding agents containing solvents.

Preferably, the separation layer of varnish is applied in the form of signs, symbols, letters, sequences of letters, logos, lines, kilosa and the like.

Then this separation layer of lacquer is applied to the entire surface of the adhesive layer.

As layers of adhesive are considered known compositions based on polyurethane, polyvinyl chloride or acrylates and their copolymers.

This layer of adhesive is applied to the adhesive coating, such as adhesive coating for cold or hot welding or adhesive coating. Using this adhesive coating of the label is fixed on the protected object.

This adhesive coating or layer of adhesive in those places where there is no separation layer of varnish that goes on the metal layer or sootvetstvenno is, layer with a high refractive index. Due to this, the adhesion with the substrate carrier or, respectively, the applied layer is disturbed.

When the label supplied with adhesive coating, is applied on a protected object, a partial separation layer of lacquer is not visible through the above separating layer of clearcoat metallic layer or a layer with a high refractive index.

When removing the labels through the adhesive coating or, respectively, the adhesive layer of metallization separated from the substrate carrier in those areas in which there is no separation layer of varnish. In those areas in which there is a separating layer of varnish, the metallization layer is not separated from the substrate carrier, and only the separation layer of varnish, i.e. the design is split between the layers (b) and (c).

Because of this becomes apparent the information printed in the form of a separating layer of varnish.

In addition, the surface as withdrawn and outstanding on the protected subject side of the label is dry and not sticky.

By the invention the protective element can be used as a protective element on packaging materials or being made in the form of labels of any shape (polygonal, round, oval), or in the form of adhesive tape designed to protect before the billing purposes or packages.

1. The protective element, in particular for security labels or adhesive tape, characterized in that it comprises the following layers:
a) a substrate carrier;
b) a reflective layer or a layer with a high refractive index;
c) partial separation layer of varnish;
d) deposited on the entire surface of the intermediate adhesive coating;
e) deposited on the entire surface of the adhesive layer,
where the adhesive coating (d) in those places where there is no separation varnish layer c), the adhesion layer (b) with the substrate carrier (a) is violated, and when you try to manipulate because of the separation layer (b) is separated from the substrate carrier (a) in those areas where there is no separation varnish layer c).

2. The protective element according to claim 1, characterized in that between the layers a) and b) is one or more of the other layers with optical, optically active, diffractive, electrically conductive and/or magnetic properties.

3. The protective element according to claim 1, characterized in that the substrate carrier provided with a layer of varnish, which has directivo structure.

4. The protective element according to claim 1, characterized in that a partial separation of the layer of varnish is applied in the form of signs, symbols, letters, sequences of letters, logos, lines, gelosa.

5. The protective element according to claim 1, characterized in that the separation layer of varnish is painted or pigmentation treatment is sterowany separation layer of varnish.

6. The protective element according to claim 5, characterized in that the separating varnish layer is a layer having optical, light-emitting, electrically conductive properties and/or magnetic properties.

7. The protective element according to claim 1, characterized in that the reflecting layer is a layer of metal or alloy.

8. The protective element according to claim 1, characterized in that the layer with high refractive index is a layer of metal joining.

9. The protective element according to claim 1, characterized in that when you try to manipulate the surface as withdrawn and outstanding on the protected subject side of the label is dry and not sticky.

10. The protective element according to claim 1, characterized in that the layer (e) is an adhesive coating for cold or hot welding or adhesive coating.

11. The application of the protective element according to one of claims 1 to 10 for security labels, adhesive tapes or protective films.



 

Same patents:

FIELD: chemistry.

SUBSTANCE: method of making a label consists of adjacent bottom layer of magnetic vinyl, middle layer of sheet material with a pattern on the outer surface and an adhesive coating on its bottom surface, and a top polymer layer. The first layer of the label is connected by adhesive forces to the second layer of the label, on top of which a transparent liquid polymer is deposited. During the polymerisation process, the label is held on a flat horizontal ferromagnetic base. Boundaries of the middle layer of the label are displaced inside the boundaries of its bottom layer. At least one closed region is formed on the solid surface of the transparent polymer, the region being bounded by a layer of hydrophobic substance, inside of which at least one layer of liquid polymer is deposited. The label is held during the process of polymerising each layer of the liquid polymer.

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FIELD: process engineering.

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EFFECT: simplified procedure, excluding one layer of transparent film and one layer of laminating adhesive.

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FIELD: transport.

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FIELD: chemistry.

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10 cl, 3 tbl, 7 ex

FIELD: physics; signaling.

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20 cl, 18 dwg

FIELD: information technologies.

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39 cl, 28 dwg, 6 tbl

Protective device // 2338267

FIELD: protective device.

SUBSTANCE: protective sticker contains a film-carrier, and also first layer consisting of non-attaching polymeric coating printed on the film, which has UV printing ink for rotary printing and determines attaching points, which form first pattern and principally do not have non-attaching polymeric coating. The protective sticker also contains second layer made of attaching material having several attaching pigmented polymeric coatings to lay the second pattern on the sticker. The second layer is stuck to the carrying film through attaching points of the first layer, and the protective sticker additionally contains a glue for sticking to the supporting element.

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36 cl, 6 dwg

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EFFECT: claimed protective element has significantly higher forgery protection degree, due to easily and clearly discernible color effects and variable optical effects, which are impossible to imitate with simple technical means.

5 cl, 33 dwg

Label making method // 2313833

FIELD: technology for making labels.

SUBSTANCE: label consists of lower, middle and upper layers, adjacent to one another and limited by given contour. Lower layer of label, formed of magnetic vinyl, is connected to middle layer of label positioned above it, made of sheet material with a pattern applied to its external surface, on top of which upper layer of label is applied in form of transparent liquid two-component polymer. The label is conditioned during the polymerization process. Connection of middle and lower layers of label is realized due to engagement of upper surface of magnetic vinyl with adhesive cover applied on lower side of middle layer. Along the given contour of non-concave shape connected lower and middle layers of label are cut out, after that given dose of liquid two-component polymer is applied onto surface of label, positioned on flat horizontal ferromagnetic base.

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FIELD: information technology.

SUBSTANCE: data medium has a substrate having a portion with a distinctive feature formed by a family of curves which includes a plurality of arched and/or diverging slit lines. Inside the portion with a distinctive feature there is an identification mark which is configured for visual or computer recognition and is a pattern, symbols or code. Said identification mark is formed by a portion of the substrate which does not have slits and has a family of marking curves, which includes a plurality of marking lines connected to the slit lines outside the identification mark.

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22 cl, 13 dwg

FIELD: physics, computation hardware.

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EFFECT: irreversible embedding of metal and plastic films in various thermoplastics.

33 cl, 26 dwg

FIELD: process engineering.

SUBSTANCE: set of inventions relates to production of protection element and to retransfer film. Said retransfer film gas base layer with the first bearing film and one-layer or sandwich layer. First adhesive layer is applied on the first bearing film surface opposite the surface facing the decorative layer while second bearing film is applied so that first adhesive layer is located between first and second bearing films. First adhesive layer in activated in the first area that covers, at least partially, one first section of base film while first adhesive layer is not activated, nor created, created only partially or deactivated in second area adjacent to said area. Then, first bearing film is cut, at least partially, along boundary line defining at least first area and separating at least one first section from second area of base film. Second part of base film including second section is removed from second bearing film. Note here that base film is adhered, at least one in one first section to second bearing film by activated first adhesive layer. Note that said first part comprises at least one first section and stays at second bearing film.

EFFECT: better protection against counterfeit.

52 cl, 10 dwg

FIELD: physics, optics.

SUBSTANCE: invention relates to a film (1), designed to protect and decorate articles. The film includes at least one transparent replicating layer (2), having a diffracting relief structure (3) and a reflecting layer. The reflecting layer is formed from at least one layer (4) of pigmented lacquer, which is placed in the immediate vicinity of the diffracting relief structure (3). Refraction indices n1 of at least one lacquer layer (4) and n2 of the replicating layer (2) assume values whose difference is in the range from 0.05 to 0.7. Luminosity L* of at least one lacquer layer (4) is in the range from 0 to 90. Disclosed also is a method of producing said film and use thereof to coat car number plates and other articles to protect from forgery, coupled with an optically variable decorative effect.

EFFECT: improved properties of the film.

21 cl, 6 dwg

FIELD: textiles, paper.

SUBSTANCE: laminated article on paper or polymer substrate with optically variable structure comprises a coating in the form of printing raster and a three-dimensional raster. The coating is formed on one side of the substrate, and the three-dimensional raster is applied to the other side of the substrate. The field of printing or the three-dimensional raster is divided into two or more sectors which are displaced relative to each other. Each sector has a different colour so that when changing the view angle the colour of the sectors on the image changes. The three-dimensional raster is made in the form of elements with a symmetrical and/or asymmetrical profile to form a relief on both sides of the substrate and is positioned relative to the printing raster so that the three-dimensional raster is at least partially located above the printing raster. The width of the printing raster lines is from 50 to 200 microns, the width of the three-dimensional raster lines is 100 to 600 microns, the angle between the elements of the printing and the three-dimensional rasters is from 0° to 10°, at that they form a moire image, which when observing the data medium under the right angle is concealed, and when observing the data medium at an acute angle becomes visible.

EFFECT: improving security of articles, increased manufacturability and reducing the cost of the security element due to reduction of runs in the printing machine.

15 cl, 18 dwg, 4 ex

FIELD: physics, optics.

SUBSTANCE: diffraction structure comprises a plurality of channels assembled to generate a first diffraction optical effect. Each channel is formed from a plurality of scattering and/or diffraction channel elements, each aligned to provide a second scattering and/or diffraction optical effect to form a micro- or macro-distinguishable graphic feature. The method of creating a diffraction surface relief structure involves forming a plurality of scattering and/or diffraction channel elements with alignment, which serves to form a plurality of channels that are assembled to generate a first diffraction optical effect. Each of the plurality of channel elements is assembled to provide a second scattering and/or diffraction optical effect to form a micro- or macro-distinguishable graphic feature.

EFFECT: creating a unique, highly secure feature which is difficult to imitate and can be combined with any optically variable features.

50 cl, 18 dwg

FIELD: printing.

SUBSTANCE: invention relates to the field of manufacturing security documents. The protected structure (1) comprises: a fibrous layer (2a, 2b); substrate (3) with a translucent area; a watermark or its imitation (8a, 8b) applied on the fibrous layer (2a, 2b) and overlapped in the plan at least partially with the translucent area of the substrate, so that in this area the watermark or its imitation (8a, 8b) is visible against the light through the protected structure (1) only from the side of the fibrous layer; and the microelectronic device (4, 10) providing a contact or remote communication.

EFFECT: protection against counterfeiting and erasures.

44 cl, 22 dwg

FIELD: textile, paper.

SUBSTANCE: polymer sandwich element for paper, which has optically variable effect, is made in the form of a sandwich polymer structure containing at least one layer with microraster relief structure. It has an additional layer with printed or embossed raster of microimages, which is spatially combined with microraster relief structure. Microraster structure is made in the form of raster of spherical transparent polymer lenses or prisms or raster of Fresnel diffraction polymer structures. Printed microimages located in nodes of the printed raster consist of elements of different colours with diametre of 20-100 mcm, which are located at the distance of 40-400 mcm from each other. Mutual location of colourful elements in nodes of the printed raster is discernible in different places of a representational printed field. Inside the defined areas the mutual location of colourful elements differs from mutual location of elements outside the defined areas.

EFFECT: invention allows increasing protection degree of products with protective elements without any increase in prime cost of their production process.

3 cl, 4 dwg, 1 ex

FIELD: physics.

SUBSTANCE: data medium has a base in which a see-through portion is formed by line grid consisting of a plurality of parallel cutting lines. Inside the see-through portion, there is a motif region which is in form of a pattern, characters or code which looks different when viewed in reflected and/or incident light.

EFFECT: solution improves protection of a document from forgery.

31 cl, 15 dwg

FIELD: printing.

SUBSTANCE: invention relates to special types of printing enabling to create in the body of the sheet material the original image protecting it against forgery. The method of creation on the sheet material of the iridescent image consists in the impact on the image applied on the sheet material with the light flux reflected from the diffraction grating at different angles of its rotation. In the body of the sheet material the image of isolated points in the form of volumetric extended metal-dielectric nanostructures with quantum size effects is created and placed it between the metal layer and the reflective diffraction grating. At that over each point of the image in the metal layer an opening is made through which the light flux is directed to the diffraction grating.

EFFECT: proposed invention provides a bright image providing protection of the sheet material against forgery.

9 cl, 5 dwg

FIELD: process engineering.

SUBSTANCE: set of inventions relates to production of protection element and to retransfer film. Said retransfer film gas base layer with the first bearing film and one-layer or sandwich layer. First adhesive layer is applied on the first bearing film surface opposite the surface facing the decorative layer while second bearing film is applied so that first adhesive layer is located between first and second bearing films. First adhesive layer in activated in the first area that covers, at least partially, one first section of base film while first adhesive layer is not activated, nor created, created only partially or deactivated in second area adjacent to said area. Then, first bearing film is cut, at least partially, along boundary line defining at least first area and separating at least one first section from second area of base film. Second part of base film including second section is removed from second bearing film. Note here that base film is adhered, at least one in one first section to second bearing film by activated first adhesive layer. Note that said first part comprises at least one first section and stays at second bearing film.

EFFECT: better protection against counterfeit.

52 cl, 10 dwg

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