EP2704128B1 - Siegel - Google Patents

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Publication number
EP2704128B1
EP2704128B1 EP13181606.8A EP13181606A EP2704128B1 EP 2704128 B1 EP2704128 B1 EP 2704128B1 EP 13181606 A EP13181606 A EP 13181606A EP 2704128 B1 EP2704128 B1 EP 2704128B1
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EP
European Patent Office
Prior art keywords
seal
layer
carrier layer
support layer
substrate
Prior art date
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Active
Application number
EP13181606.8A
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German (de)
English (en)
French (fr)
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EP2704128A3 (de
EP2704128A2 (de
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.)
Trautwein & Co GmbH
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Trautwein & Co 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 Trautwein & Co GmbH filed Critical Trautwein & Co GmbH
Priority to PL13181606T priority Critical patent/PL2704128T3/pl
Publication of EP2704128A2 publication Critical patent/EP2704128A2/de
Publication of EP2704128A3 publication Critical patent/EP2704128A3/de
Application granted granted Critical
Publication of EP2704128B1 publication Critical patent/EP2704128B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0341—Forms or constructions of security seals characterised by the type of seal used having label sealing means

Definitions

  • the invention relates to a seal for temporary attachment to a substrate, comprising a first carrier layer, a second carrier layer, wherein the first carrier layer and the second carrier layer are at least indirectly interconnected, and wherein the seal is attachable to the substrate.
  • seals are known in various configurations and for a variety of applications. Seals are often designed as multi-layered seals or sealing tapes. Seals typically serve to seal or seal objects, thereby realizing a detection capability that indicates whether, for example, a sealed package has already been opened. For example, seals are often used for sealing sales or transport packaging, containers, cassettes and objects for which a first opening certificate is to be realized. In particular, in the sealing of doors or loading openings on vehicles, seals serve to indicate or prove a manipulation or opening of the door or loading opening and an unauthorized access.
  • Seals or sealing tapes are usually applied to the surface of an object to be secured by adhering them, in particular in those areas of objects in which openings are provided. If the seal is manipulated or removed after application, unauthorized opening of the object can be detected by the missing or defective seal.
  • US 2006/0077287 discloses a seal having a first carrier layer indirectly connected to a second carrier layer.
  • the second carrier layer is compressible in a peel test.
  • US 6,372,341 B1 discloses a seal suitable for indicating manipulation attempts.
  • the seal comprises a first carrier layer and a second carrier layer in the sense of the present invention. Between the first carrier layer and the second carrier layer, a multi-layer security layer is arranged. In an attempt to detach the seal, a complete separation of the first carrier layer takes place, wherein the security layer between the first carrier layer and the second carrier layer remains partially on the first carrier layer and partly on the second carrier layer.
  • the security label comprises only a single carrier layer formed on a polymer basis. Below the carrier layer, an adhesive layer for attaching the security label is provided on an object to be secured.
  • US 2005/0230961 A1 discloses a tamper evident seal system with a seal, with all seal layers provided with a weakened weakening. In addition, on the sealing surface information is attached, which marks the manipulation security of the seal. When the seal is removed, the seal is separated into a plurality of individual parts.
  • EP 0 651 365 A1 discloses a seal that is removable after application to a substrate without residue of this, wherein for indicating the detachment attempt, a dissolution of the internal cohesion takes place.
  • WO 02/055295 A1 discloses a heat-sealable label having a main layer under which a heat-activatable adhesive is disposed. Above the main layer, a removable transport layer is arranged by means of a further adhesive layer. The label is intended for permanent attachment.
  • Seals are often designed such that in a manipulation attempt at least one layer level of the security seal is irreversibly destroyed, causing the manipulation is recognizable. Furthermore, seals are also known which are irreversibly separated during detachment into a plurality of individual parts, so that a manipulation of the damaged seal can be recognized.
  • the invention is therefore an object of the invention to provide a seal, the handling is simplified and has an increased reliability in the display of manipulation attempts.
  • the seal is thus constructed in such a way that the at least indirect adhesive bond between the first carrier layer and the second carrier layer is formed differently at least in a security area and a composite area, such that when the force is applied between the first carrier layer and the second carrier layer caused by a detachment attempt, a distancing of the first Carrier layer of the second carrier layer takes place in the security area, and that the composite area remains free of damage due to the force.
  • distancing is always meant a spatial retraction of the first of the second separation layer. In this case, for example, an irreversible distancing of about 0.1 mm is provided, in particular to visualize a distancing in two complementary colors.
  • the distancing can take place in such a way that the first carrier layer and the second carrier layer are connected only to the at least one composite region and are separated from one another in the security region or security regions.
  • a distancing can be done by removing the Carrier layers from one another in the range of a fraction of a millimeter up to several centimeters.
  • the first carrier layer is arranged in the intended use as the outer layer of the seal.
  • the second carrier layer is arranged below the first carrier layer, wherein the first carrier layer and the second carrier layer are connected to one another at least indirectly, which means that further layers, in particular layers with security features, may be present between the first carrier layer and the second carrier layer contribute to the adhesive bond between the first carrier layer and the second carrier layer.
  • one of the carrier layers in particular the second carrier layer, has adhesive properties, namely such that the second carrier layer adheres to a substrate.
  • the second carrier layer is made of polyurethane, so that the seal with the second carrier layer can be fastened on a substrate.
  • the second carrier layer is in particular formed as a homogeneous layer.
  • Such a second carrier layer advantageously combines the properties of an adhesive layer and a supporting layer.
  • the adhesive bond between the first carrier layer and the second carrier layer is formed differently in subregions arranged in the structure of the seal, namely in a security area and in a composite area.
  • the adhesive bond - the adhesion between the layers - is greater in the composite area than the adhesive bond in the security area. This leads to the effect of a force, especially in a by a peel attempt caused force between the first and second carrier layer, which occur for example in the form of tensile or shear forces relatively between the first carrier layer and the second carrier layer, a separation of the first of the second carrier layer takes place only in the security area.
  • the distancing of the first carrier layer from the second carrier layer in the security area causes an irreversible visible to the naked eye change of the seal.
  • the adhesive bond between the first carrier layer and the second carrier layer in the composite region is formed so strongly that no separation of the first carrier layer and the second carrier layer in the composite region, in particular in a force caused by a detachment force, takes place - the first carrier layer is inseparably connected to the second carrier layer. Consequently, "inseparable" in this context means that the first carrier layer and the second carrier layer are basically separable by the use of tools or other aids, but not by a proper use of the seal during a detachment attempt or during a detachment.
  • separation is always meant a permanent and irreversible removal of the layers from one another, namely a detachment of a layer from another layer or a separation of the layer composite by at least partial detachment of individual layers from one another. If the "separability" in the security area is mentioned, then this means that a separation takes place in the area of the security area between the first carrier layer and the second carrier layer or in one of the layers arranged therebetween by a detachment attempt. In the security area is thus at least one layer composite between any two layers before, which is separable, in particular, which is distanced by detachment of the seal.
  • a force is applied - as already described - for example by a detachment attempt or a detachment of the seal after application to a substrate by an authorized or unauthorized user.
  • Each detachment attempt or detachment of the seal after application to a substrate causes the adhesive bond between the first carrier layer and the second carrier layer to be separated in the security area, namely one layer at least partially detached from another layer, resulting in irreversible visible distancing in the region Security area leads.
  • the adhesive bond between the first carrier layer and the second carrier layer in the composite region has a thickness which exceeds the force required for plastic deformation of the first and / or second carrier layer.
  • the strength of the adhesive bond between the first and second carrier layer in the composite region also exceeds the tear strength of the first carrier layer and / or the second carrier layer.
  • such an embodiment of the seal for example, that in a detachment attempt, the seal after application to a substrate, ie in normal use, in the composite areas, by the strong cohesion between the first carrier layer and the second carrier layer, first detached from the substrate, said the safety areas due to the lack of or lower power transmission through the separation and the distancing adhere to the substrate for a longer period of time and become detached only after detachment of at least part of the composite regions.
  • the adhesive force of the second carrier layer is designed and adjusted such that the adhesion of the seal to the substrate is greater than the adhesive bond between the first carrier layer and the second carrier layer in the security area, so that first of all a distancing takes place in the security areas, wherein subsequently successively a detachment of the seal from the substrate takes place first in the composite areas and finally in the security areas.
  • connecting webs are formed between the first and second carrier layer, via which a force transmission between the first and second carrier layer is possible.
  • the layers in the security area have moved away from each other.
  • the distance between the first carrier layer and the second carrier layer in the security area is then preferably at least 1 mm, in particular between 1 mm and 3 mm.
  • the second carrier layer forms irreversible bubbles. Any separation of the first carrier layer and the second carrier layer in the security area is indicated by an irreversible visible change in the security area.
  • the seal In order to increase the security against forgery of the seal, it is preferably provided that on the side facing away from the second carrier layer Side of the first carrier layer, between the first carrier layer and the second carrier layer and / or on the side facing away from the first carrier layer side of the second carrier layer at least one layer with colors and / or security features is provided, in particular full or partial area layers, for example, with UV and / or IR radiation and / or temperature-responsive paints, pigments, bleeding colors, security coatings and / or security adhesives are provided.
  • the carrier layers are advantageously formed from a material which has a strong structural internal cohesion, namely in particular a high tear strength, for example films, fabrics or fiber materials.
  • Suitable materials for the first carrier layer and the second carrier layer are, for example, any plastics, in particular polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polycarbonate (PC), polylactide (PLA) or polyurethane.
  • the adhesive bond between the first carrier layer and the second carrier layer can preferably be achieved at least in part by arranging an adhesive layer-intermediate adhesive layer-between the first carrier layer and the second carrier layer in the composite region or in the composite regions.
  • the adhesive force of the adhesive layer between the first carrier layer and the second carrier layer is stronger than the adhesive force between the seal and the substrate, so that with each separation attempt of the seal from the substrate - after application to the substrate - only a separation between the first carrier layer and the second carrier layer in the security area, while no separation takes place in the composite area, since this namely, inseparably held together by the adhesive layer.
  • the adhesion of the adhesive layer to the first and second carrier layer is preferably stronger than the tear strength of the first carrier layer and / or the second carrier layer.
  • thermoplastic polyurethane film which is melted between the first carrier layer and the second carrier layer and thereby connects the carrier layers, is provided as a connecting means in the composite region.
  • the adhesive layer is provided fully or partially between the first and second carrier layer.
  • the seal has the advantage that it can be removed in one piece from a substrate by virtue of the internal cohesion achieved between the first carrier layer and the second carrier layer by means of the composite regions. This has proven to be particularly advantageous in sealing objects - substrates - which are often sealed because the seal is releasable from the substrate in a single operation, with an irreversible visible change in the seal, such that manipulation by the changed or missing one Seal is recognizable.
  • At least one separating layer is arranged on the side of the second carrier layer facing away from the first carrier layer, and that the separating layer irreversibly changed in a detachment test by at least partially leaving the release liner on the substrate, in particular, the separating layer comprises at least one color layer and at least one adhesive setting layer.
  • the separating layer is designed in such a way that it is ensured that, in the case of a detachment attempt or detachment, at least partial splitting of the separating layer as well as distancing in the security area of the seal take place.
  • the detachment test can therefore be recognized on the seal and on the substrate.
  • the separating layer is formed, for example, such that the ink layer remains on the substrate in the regions in which an adhesive setting layer is arranged between the ink layer and the second carrier layer, in particular in that the adhesive setting layer locally reduces the adhesion between the second carrier layer and the ink layer.
  • the detachability of the seal can be further improved according to a further embodiment in that the first carrier layer and the second carrier layer are formed such a tear-resistant that a one-piece detachment of the seal from the substrate is possible.
  • This embodiment is particularly advantageous if no separating layer is provided between the second carrier layer and the substrate, since the seal is preferably suitable for one-piece and residue-free detachment.
  • an adhesive layer is provided, and that the seal with the adhesive layer can be fastened to the substrate.
  • the adhesive layer is consequently applied as a separate layer to one of the further layers, preferably to the second carrier layer.
  • the adhesive layer is arranged, for example, directly on the second carrier layer on the side of the second carrier layer facing away from the first carrier layer.
  • the Adhesive layer is provided on full or partial surface.
  • the adhesive force of the adhesive layer is designed and adjusted such that the adhesion of the seal to the substrate is greater than the adhesive bond between the first carrier layer and the second carrier layer in the security area, so that initially a distancing takes place in the security areas, wherein subsequently one after the other
  • the seal is removed from the substrate initially in the composite areas and finally in the security areas.
  • the sequence of detachment of the security and composite areas also depends on the manner of removal. If the seal is peeled off at a steep angle, the security areas in front of the composite areas or at the same time as the composite areas are detached from the substrate. As a result of the composite regions, connecting webs are formed between the first and second carrier layer, via which a force transmission between the first and second carrier layer is possible.
  • first carrier layer and the second carrier layer in the composite region are directly connected to each other, in particular, that the first carrier layer and the second carrier layer are welded together.
  • first carrier layer and the second carrier layer are directly connected to each other, in particular, that the first carrier layer and the second carrier layer are welded together.
  • the direct connection between the first carrier layer and the second carrier layer can be produced, for example, by applying the first carrier layer in the liquid state to the second carrier layer or vice versa - at least partially - and then curing, whereby in the contact regions a direct connection between the first carrier layer and the second Carrier layer is produced. Furthermore, it is provided that the first carrier layer is welded in the composite regions with the second carrier layer. The welding of the first carrier layer to the second carrier layer can be achieved by any heat input and / or pressure in the seal in the region of the composite regions, in particular by high-frequency or ultrasonic welding.
  • one of the carrier layers in particular the second carrier layer, consists of a thermoplastic polyurethane film, and that the second carrier layer is locally melted by the introduction of temperature to connect to the first carrier layer - as a composite region.
  • a plurality of composite regions are provided, in particular that the composite regions are at least partially punctiform and / or linear, preferably that the composite regions at least partly regularly in the area of the seal are distributed.
  • the composite regions are always arranged between the first carrier layer and the second carrier layer next to the security regions, it being provided, for example, that the composite regions do not adjoin one another and are arranged independently of one another.
  • a plurality of security areas is present, but it is particularly preferred if the areas lying between the composite areas, namely the security area, are connected.
  • the composite regions are preferably at least partially punctiform, so that the first carrier layer and the second carrier layer are punctiform - inseparable - connected.
  • punctiform on the one hand a circular outer contour of the composite regions meant, on the other hand, however, also composite regions with any geometric outer contour, in particular polygonal or star-shaped.
  • the composite regions are advantageously distributed regularly between the first carrier layer and the second carrier layer, which means that the composite regions are arranged approximately equidistant from each other.
  • the composite regions are aligned on an arbitrary grid and distributed between the first and second carrier layer.
  • the composite regions are linear, in particular if the composite regions are arranged linearly in at least one edge region of the seal, for example such that the composite regions carry the seal surrounded by a circumferential border.
  • a seal that is designed as a sealing band is, provided that the composite regions extend linearly on both sides parallel to the longitudinal extent of the seal.
  • point-shaped, evenly distributed composite regions are provided in such a sealing band between the line-shaped composite regions.
  • the composite regions extend linearly transversely to the longitudinal extent of the seal and are arranged at a distance parallel to each other.
  • the area fraction of the composite areas on the total area of the seal is less than the area ratio of the security areas.
  • the proportion of composite areas is between 10% and 20% of the total area of the seal.
  • the handling of the seal can be simplified according to a further embodiment in that the adhesive layer is arranged on the side facing away from the first carrier layer side of the second carrier layer, and that the adhesive layer covers the second carrier layer over part of the area.
  • the adhesive layer is arranged on the underside of the seal, namely on the side of the second carrier layer facing away from the first carrier layer.
  • the adhesive layer is applied directly to the second carrier layer.
  • the seal can be fastened with the adhesive layer on a substrate in such a way that after the seal has been applied to the substrate, a detachment test is indicated by an irreversible visible change in the security area of the seal, by a distancing between the first carrier layer and the second carrier layer, ie an indirect or immediate separation of layers between the first and second carrier layer or the carrier layers directly, takes place in the security area.
  • a non-adhesive gripping area is arranged so that the seal im on the substrate applied state in the edge region loosely rests on the substrate.
  • the non-adhesive gripping region is formed, for example, in such a way that the adhesive layer only partially covers the second carrier layer, so that a non-adhesive gripping region is formed in at least one edge region, preferably in at least two edge regions, so that the seal can be gripped by a user in the gripping region, to be detached from the substrate, wherein there is always a distancing of the first carrier layer from the second carrier layer in the security area.
  • the first carrier layer and the second carrier layer are held together in the composite regions and not separated from each other.
  • the non-adhesive gripping region can also be realized in that the first carrier layer has a larger area than the second carrier layer, so that it serves directly as a gripping region or, for example, is turned over.
  • the gripping region is preferably designed as a composite region.
  • a gripping area is provided on two opposite side regions of the seal, so that the seal can be detached from both sides.
  • a circumferential gripping area has been found to be advantageous, which is arranged on all sides of the seal.
  • only the gripping areas are formed as composite areas, while a security area is arranged between the gripping areas.
  • the functionality achieved by the seal can be further improved according to a further embodiment in that the first carrier layer and the second carrier layer have different material properties, in particular that the second carrier layer has a lower deformation resistance than the first carrier layer, preferably that the second carrier layer has a has greater plastic formability than the first carrier layer. Consequently, the second carrier layer deforms more strongly than the first carrier layer with the same application of force, as a result of which inter alia a detachment of the seal from an object is simplified. Due to the easier deformability of the second carrier layer, namely the lower resistance to deformation, the seal is always distanced in a security case in a detachment attempt of the seal from a substrate, since tensions arise by the different deformation of the first carrier layer and the second carrier layer.
  • the composite regions are first detached from the substrate due to the force transmission in the composite regions, wherein the seal is elastically and plastically deformed in the security regions, in particular the second carrier layer, so that initially no peeling occurs and only after the adhesive strength of the first adhesive layer is achieved and a detachment of the seal in the security areas.
  • the seal thus dissolves unevenly from the substrate in a manner defined by the distribution of the composite regions and security regions.
  • the second carrier layer which faces the substrate in the applied state of the seal, is more elastic than the first carrier layer.
  • the second carrier layer which faces the substrate in the applied state of the seal, is thinner, softer, more flexible and / or bendable than the first carrier layer. More preferably, the second carrier layer has a greater plastic deformability than the first carrier layer, which means that the second carrier layer plastically deformed by a higher percentage than the first carrier layer, before any destruction of the second carrier layer occurs.
  • the second carrier layer has a higher elongation at break than the first carrier layer. Due to the greater plastic formability of the second carrier layer, the second carrier layer is irreversibly plastically deformed during a detachment attempt in such a way that the detachment test is indicated irreversibly visibly by the plastic deformation.
  • the second carrier layer is irreversibly stretchable.
  • the second carrier layer is tear-resistant, so that it remains always in one piece even with high elongation.
  • the first carrier layer is advantageously formed dimensionally stable, so that they do not deform or only very slightly during normal use of the seal.
  • a preferred seal thus has a very stable first carrier layer and an easily deformable or stretchable second carrier layer, in particular so that a distancing of the carrier layers is always caused by a plastic deformation of the second carrier layer.
  • the first carrier layer and the second carrier layer are made of the same material, it being provided that the second carrier layer, which faces the substrate in the applied state, is thinner than the first carrier layer, so that the second carrier layer is different due to the different thickness Has material properties.
  • the first carrier layer and the second carrier layer are made of different materials, for example of different plastics.
  • first-to-upper support layer simplifies the handling of the seal, since a dimensional stability of the seal is ensured by the first support layer. Furthermore, the second carrier layer and the further layers of the seal are protected by the first carrier layer from external influences.
  • the second carrier layer is easily deformable, so that when the seal is detached from a substrate, the second carrier layer separates in the security regions and preferably deforms like a balloon under irreversible stretching.
  • At least one color layer between the first carrier layer and the second carrier layer is arranged at least in the security area, in particular that additionally at least one separating layer is provided, preferably that two Color layers are provided.
  • at least one color layer is arranged, which in the separation of the security area between the first carrier layer and second carrier layer is at least partially destroyed. This color layer at least partially causes the irreversible visible change in the seal during a detachment attempt.
  • a release layer is provided, so that a separation in the security area between the first carrier layer and second carrier layer takes place in that the color layer is not lifted or destroyed there, where the release layer is provided, and the color layer is lifted in the areas with in which no separating layer is provided, so that, for example, with appropriate arrangement of the separating layer and / or the color layer, for example, when separating in the security area a lettering, a logo or a string is visible.
  • the composite region forms a peripheral frame
  • the separating layer is provided in the inner region of the frame completely or partially.
  • the separating layer between the first carrier layer and the second carrier layer is provided fully or partially in relation to the surface of the carrier layers.
  • two color layers are provided, which are formed, for example, as complementary colors, so that when separating the first carrier layer and the second carrier layer in the security area, an image of complementary colors can show that indicates a detachment attempt of the seal as optically irreversible change.
  • At least one fully or partially colored ink layer is provided between the first carrier layer and the second carrier layer.
  • the color layer is provided only in the security areas.
  • the color layer is provided over the entire surface in the interior.
  • at least one color layer is provided on the side facing away from the first carrier layer side of the second carrier layer, in particular a full-surface ink layer whose area corresponds to the surface of the carrier layers.
  • An anti-counterfeiting security of the seal can be realized according to a further embodiment in that at least in the material of the first carrier layer and / or at least in the material of the second carrier layer security features are present, in particular UV radiation and / or IR radiation and / or temperature reactive pigments or colors are present.
  • the security features are introduced, for example, in the production of the first carrier layer and / or the second carrier layer in the material of the carrier layer, so that the authenticity of the seal can be checked based on the pigments or on the reacting to UV or IR radiation colors.
  • the security features may be supplemented with images and / or characters provided on further layers, so that together with the security features In the first and / or second carrier layer can create a distinctive proof of authenticity.
  • first carrier layer and / or the second carrier layer are permeable to air, in particular that the first carrier layer and / or the second carrier layer are perforated.
  • An air-permeable carrier layer is formed for example by a fabric.
  • a visible irreversible change of the seal by a detachment test can advantageously be recognized in that the first carrier layer and / or the second carrier layer is at least partially transparent, in particular that in the intended condition of the seal at least one carrier layer facing the viewer is transparent at least in the security area ,
  • further information can be deposited within the seal which can be recognized by the at least one transparent carrier layer. For example, if the seal is applied to a glass pane, the carrier layer facing the glass pane - the second carrier layer - is transparent in the security area, so that the security area can be seen through the glass pane.
  • the visibility of the distancing between the first carrier layer and the second carrier layer becomes, for example realized in that either the first carrier layer and / or the second carrier layer or the other layers, which must be transparent to the recognizability of the distancing, are at least partially transparent.
  • an adhesive-repellent layer is arranged on the side of the first carrier layer facing away from the adhesive layer. If, for example, the seal is designed as a sealing strip, the adhesive-repellent layer allows the seal to be rolled up in roll form without distancing in the region of the security area during unrolling for intended use, so that detachment of the seal from itself, namely the adhesive layer from the adhesive layer Separation without triggering the security mechanisms of the seal, is possible.
  • the seal is "activated" only when used as a seal, namely after application to a designated substrate.
  • a detachment of the seal from a substrate can be simplified in that the adhesive layer is designed and adjusted such that the seal can be detached from a substrate without residue.
  • the adhesive layer always has a greater adhesion to the second carrier layer than to the substrate, so that no residues of the adhesive layer remain on the substrate when the seal is detached from the substrate.
  • the first carrier layer is formed such that the first carrier layer when a detachment of the seal from a substrate dimensionally stable is.
  • the first carrier layer is for this purpose made of a plastic, for example, which does not or only to a very small extent elastically deform in the case of the forces occurring when the seal is detached from a substrate.
  • the term "dimensional stability" is intended to mean that the first carrier layer does not change its thickness, width and length or only to a very small extent when the seal is detached from a substrate.
  • a seal arrangement has proven to be particularly advantageous which comprises a substrate, for example a paper, and a seal according to the invention.
  • the seal is secured to the substrate with an adhesive layer or adhesive backing, with a print layer disposed beneath the seal and / or adjacent to the seal on the substrate.
  • This print layer preferably contains information related to the seal. For example, the information: "If you can read this text, a seal has been removed.” For example, the information is printed on the substrate, and then the seal is applied, thereby "activating" the seal and displaying each peel attempt by a visible change in the seal.
  • the information indicating the possibly missing seal may also be openly readable next to the seal and / or under the seal, for example, a hatched area may be arranged together with information to be hidden.
  • a preferred seal comprises a first release layer of a transparent plastic, preferably polyvinyl chloride.
  • the composite region is in the form of a frame, wherein the first carrier layer and the second carrier layer are directly or indirectly connected to a thermally activatable pressure-sensitive adhesive.
  • a layer of a pressure-sensitive adhesive is provided over the entire area directly on the second carrier layer in the inner area.
  • full-surface pressure-sensitive adhesive layer is provided with the seal on a substrate fastened bar.
  • Another preferred seal also comprises a first release layer of a transparent plastic, preferably polyvinyl chloride.
  • the composite region is in the form of a frame, wherein the first carrier layer and the second carrier layer are directly or indirectly connected to a thermally activatable pressure-sensitive adhesive.
  • a layer of a pressure-sensitive adhesive is provided over the entire area directly on the second carrier layer in the inner area.
  • On the side facing away from the first carrier layer side of the second carrier layer at least one full-surface with respect to the second carrier layer ink layer is provided.
  • the color layer is directly on the second carrier layer applied. Below the color layer, a pressure-sensitive adhesive layer for applying the seal from a substrate is provided.
  • Fig. 1 shows an embodiment of a seal 1 in a sectional side view.
  • a first carrier layer 2 is as the uppermost layer of the seal 1 above a second carrier layer 3 and an adhesive layer 4 arranged.
  • the seal 1 can be fastened with the adhesive layer 4 on a substrate 5.
  • Fig. 1 shows the seal 1 at the moment of application to the substrate 5.
  • the first carrier layer 2 and the second carrier layer 3 are connected directly to each other.
  • the adhesive bond between the first carrier layer 2 and the second carrier layer 3 is formed differently in security areas 6 and composite areas 7, namely, can be distanced in the security area 6 and inseparably in the composite area 7.
  • the first carrier layer 2 and the second carrier layer 3 are interconnected in the security area 6 in the initial state , wherein during a detachment attempt distancing takes place.
  • the first carrier layer 2 and the second carrier layer 3 are welded together in the composite regions 7, so that in a force effect between the first carrier layer 2 and second carrier layer 3, resulting for example in a separation attempt by a user, a distancing of the first carrier layer 2 of the second Carrier layer 3 takes place only in the security areas 6.
  • the composite regions 7 hold the first carrier layer 2 and the second carrier layer 3 together, so that no distancing takes place.
  • the composite regions 7 are provided like webs between the first carrier layer 2 and the second carrier layer 3.
  • the adhesive layer 4 is formed in this embodiment such that after applying the seal 1 on the substrate 5 in a peel attempt always a distancing between the first carrier layer 2 and second carrier layer 3 in the security areas 6, before first detachment of the seal 1 of the Substrate 5 in the composite areas 7 and then in the security areas 6 takes place.
  • the second carrier layer 3 has a lower deformation resistance than the first carrier layer 2. Due to the composite regions 7, at least in the composite regions 7, there is a surface force transmission from the first carrier layer 2 to the second carrier layer 3, so that the composite regions 7 are detached despite the deformability of the second carrier layer 3.
  • the security areas 6 are, however, initially not detached, since first a deformation of the second carrier layer 3 in the security areas 6 takes place before the seal 1 is replaced in these areas. Due to the deformation of the second carrier layer 3 in the security regions 6, there is always a distancing between the first carrier layer 2 and the second carrier layer 3.
  • Fig. 2 shows a further embodiment of a seal 1 in a sectional side view.
  • the first carrier layer 2 and the second carrier layer 3 are connected to one another by means of a second adhesive layer 8 in the composite regions 7.
  • the security regions 6 are arranged which, in the case of a detachment attempt of the seal 1, are distanced from a substrate (not shown in this exemplary embodiment).
  • the security seal 1 can be fastened on a substrate 5.
  • the second adhesive layer 8 has an adhesive force which is stronger than the tensile strength of the first carrier layer 2 and the second carrier layer 3, so that there is no separation of the first carrier layer 2 and the second carrier layer 3 in the composite region 7 during a detachment attempt.
  • the first carrier layer 2 and the second carrier layer 3 are so tear-resistant that the seal 1 is in one piece detachable from a substrate. Before a distancing would take place in the composite region 7, the seal 1 detached from the substrate 5 via the second adhesive layer 4.
  • Fig. 3a shows a further embodiment of a seal 1 in a sectional side view.
  • the first carrier layer 2 and the second carrier layer 3 are welded together in composite regions 7.
  • the seal 1 is by means of an adhesive layer 4 on a - not shown substrate 5 - applied.
  • the composite regions 7 extend in a line through the seal 1.
  • Fig. 3b shows a further embodiment of a seal 1 in a sectional side view.
  • the first carrier layer 2 and the second carrier layer 3 are directly connected to each other in the connection regions 7 by being welded together.
  • an adhesive layer 4 extends over part of the area, with which the seal 1 can be applied to a substrate 5 (not shown).
  • the adhesive layer 4 extends only part of the area below the second carrier layer 3, so that in each case a non-adhesive gripping region 9 is formed in two opposite edge regions of the seal 1, in which the seal 1 for removal from the substrate 5 by a user can be attacked in a simple manner.
  • the adhesive layer 4 is designed with respect to its adhesive force such that, before a detachment of the seal 1 from a substrate 5 takes place, initially a distancing between the first carrier layer 2 and the second carrier layer 3 takes place in the security regions 6.
  • a release layer 11 is provided, wherein the release layer 11 is applied in the form of characters, so that when distancing the security areas 6 between the first carrier layer 2 and the second carrier layer 3 these characters in the ink layer 10 can be seen.
  • These signs represent the irreversible optical change of the seal 1.
  • the seal 1 Before the seal 1 is detached from a substrate 5 in the security regions 6, it initially dissolves in the composite regions 7, since the first carrier layer 2 is here directly connected to the second carrier layer 3 is, so that via the composite regions 7 a force transmission from the first carrier layer 2 to the second carrier layer 3 and thus in the composite regions 7 also on the adhesive layer 4 takes place.
  • Fig. 4 shows an embodiment of a seal 1 in a plan view, wherein the seal 1 as a flat seal - seal label - is formed.
  • the composite regions 7a, 7b are shown with dashed lines.
  • the composite region 7a extends linearly as an edge surrounding the seal 1.
  • the composite regions 7b are punctiform and extend uniformly over the surface of the seal 1 distributed.
  • the composite regions 7b are arranged like a grid and each have an identical distance from each other.
  • the security area 6 is formed integrally and is enclosed by the frame-type composite area 7b.
  • Surrounding the frame-like composite region 7a is arranged an adhesive-free gripping region 9, on which the seal 1, in particular the second carrier layer 3, can be grasped by a user in a simple manner.
  • Fig. 5 shows an embodiment of a seal 1, which is designed as a sealing band.
  • Fig. 5 shows a portion of the seal 1, in which below the first carrier layer 2 two arranged in the edge region and are arranged parallel to the longitudinal extent of the seal 1 extending composite region 7a.
  • the composite regions 7a are formed like a line.
  • the composite regions 7b which connect the first carrier layer 2 and the second carrier layer 3 to one another, are arranged uniformly distributed between the composite regions 7a.
  • the seal 1 is fully covered on its underside by an adhesive layer 4, so that it is aufklebbar on a surface, in particular a substrate 5.
  • the security area 6 is designed to be continuous between the composite areas 7a and is only interrupted by the uniformly arranged composite areas 7b.
  • Fig. 6 shows a further embodiment of a seal 1, which is designed as a sealing band.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
EP13181606.8A 2012-08-27 2013-08-23 Siegel Active EP2704128B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13181606T PL2704128T3 (pl) 2012-08-27 2013-08-23 Pieczęć

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012016763 2012-08-27
DE102012019543.5A DE102012019543A1 (de) 2012-08-27 2012-10-05 Siegel

Publications (3)

Publication Number Publication Date
EP2704128A2 EP2704128A2 (de) 2014-03-05
EP2704128A3 EP2704128A3 (de) 2014-10-08
EP2704128B1 true EP2704128B1 (de) 2018-10-17

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EP13181606.8A Active EP2704128B1 (de) 2012-08-27 2013-08-23 Siegel

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EP (1) EP2704128B1 (pl)
DE (1) DE102012019543A1 (pl)
ES (1) ES2697151T3 (pl)
PL (1) PL2704128T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014100784B4 (de) 2014-01-23 2022-01-13 Trautwein Gmbh & Co. Verschlusssiegelsystem und Verfahren zur Herstellung einer Versiegelung
DE102017216628A1 (de) * 2017-09-20 2019-03-21 Robert Bosch Gmbh Versiegelungsvorrichtung zu einer Versiegelung von zumindest einer Aufbewah-rungs- und/oder Verpackungsvorrichtung für Gebrauchsgüter, insbesondere Werk-zeugmaschinen, und/oder zu einer Versiegelung von zumindest einer Information

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651365A1 (en) * 1993-11-02 1995-05-03 Minnesota Mining And Manufacturing Company Tamper-indicating label
WO2002055295A1 (en) * 2001-01-10 2002-07-18 Avery Dennison Corporation Heat-sealable laminate
US20060077287A1 (en) * 2004-02-12 2006-04-13 Dai Nippon Printing Co., Ltd. Security label and security label supply sheet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1219261A (zh) * 1996-05-20 1999-06-09 美国3M公司 提示扰动的多层片材
US6372341B1 (en) * 1998-04-27 2002-04-16 3M Innovative Properties Company Tampa-indicating article for reusable substrates
US6777054B1 (en) * 2003-03-25 2004-08-17 Ncr Corporation Security label laminate
US20050230961A1 (en) * 2004-04-14 2005-10-20 Walley Carey L Tamper evident label and method for using a tamper evident label
DE102008057456A1 (de) * 2008-11-14 2010-05-20 Tesa Se Sicherheitsetikett

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651365A1 (en) * 1993-11-02 1995-05-03 Minnesota Mining And Manufacturing Company Tamper-indicating label
WO2002055295A1 (en) * 2001-01-10 2002-07-18 Avery Dennison Corporation Heat-sealable laminate
US20060077287A1 (en) * 2004-02-12 2006-04-13 Dai Nippon Printing Co., Ltd. Security label and security label supply sheet

Also Published As

Publication number Publication date
PL2704128T3 (pl) 2019-02-28
DE102012019543A1 (de) 2014-02-27
EP2704128A3 (de) 2014-10-08
ES2697151T3 (es) 2019-01-22
EP2704128A2 (de) 2014-03-05

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