EP3747666A1 - Procédé et dispositif d'application permettant d'appliquer une couche de transfert d'un film sur un corps et corps multicouche - Google Patents

Procédé et dispositif d'application permettant d'appliquer une couche de transfert d'un film sur un corps et corps multicouche Download PDF

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Publication number
EP3747666A1
EP3747666A1 EP20177945.1A EP20177945A EP3747666A1 EP 3747666 A1 EP3747666 A1 EP 3747666A1 EP 20177945 A EP20177945 A EP 20177945A EP 3747666 A1 EP3747666 A1 EP 3747666A1
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EP
European Patent Office
Prior art keywords
substrate
layer
areas
adhesive layer
adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20177945.1A
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German (de)
English (en)
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EP3747666B1 (fr
Inventor
Norbert Höfler
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.)
Leonhard Kurz Stiftung and Co KG
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Leonhard Kurz Stiftung and Co KG
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Publication of EP3747666A1 publication Critical patent/EP3747666A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1733—Decalcomanias applied under pressure only, e.g. provided with a pressure sensitive adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
    • B41F16/004—Presses of the reciprocating type
    • B41F16/0053—Presses of the reciprocating type with means for applying print under pressure only, e.g. using pressure sensitive adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
    • B44C1/105—Applying flat materials, e.g. leaflets, pieces of fabrics comprising an adhesive layer

Definitions

  • the invention relates to a method, in particular for decorating cold embossing on a substrate, and a device, in particular for decorating cold embossing on a substrate, and a body, in particular produced by the method and / or preferably produced by the device.
  • Hot stamping processes are known for decorating paper, labels, plastic and glass packaging with decorative films, in particular with metallized films.
  • a transfer or stamping film is coated with a hot melt adhesive.
  • the adhesive layer is activated with pressure and temperature with an embossing stamp, so that an adhesion is created between the metal layer and the printed article.
  • the carrier film is then peeled off from the decorative material applied to the printed article.
  • the adhesive is first applied to the article.
  • the film is then laminated on and the adhesive layer cured.
  • the decoration material adheres to the areas preprinted with the adhesive layer and the carrier film with the remaining, non-adhering decoration material is peeled off.
  • the adhesive used is often an adhesive that cures under UV radiation. The adhesive is then cured by means of UV radiation through the film.
  • the cold stamping process has a number of advantages over the hot stamping process. Since the adhesive does not need to be heated by a die, there is no speed restriction. As a result, a cold stamping device can be integrated into a printing machine, with no separate production process being necessary. Finally, there are also lower tool costs because no die is required.
  • the method according to the invention enables one or more surface structures of the substrate to be completely or at least partially transferred into the surface of the transfer film and / or the at least one decorative layer and retained there.
  • the one or more surface structures of the substrate which are already present in one or more first areas when the substrate is provided, can be transferred to the at least one transfer film, comprising at least one decorative layer, by means of a cold embossing process in such a way that the one or several surface structures of the substrate are completely or at least partially retained in the surface of the transfer film and / or the at least one decorative layer during the process by the cold embossing process.
  • the pressing-on method ensures that the surface structures are retained in the same or a similar form also in areas of the surface of the transfer film and / or in which the at least one decorative layer is present completely or at least in areas.
  • the object is further achieved by a device, in particular for decorating cold embossing, preferably for producing a body, preferably for performing the above method, the device having a first work station comprising a printing device for at least regionally applying at least one adhesive layer to a surface of the substrate , wherein the surface of the substrate has at least regionally one or more surface structures, and that the device comprises a second work station comprising a pressing device for at least regionally pressing at least one transfer film comprising at least one decorative layer and at least one carrier layer onto the surface of the substrate and / or one has a surface facing away from the substrate of the at least one adhesive layer and has an irradiation device for at least regionally and / or at least partial hardening of the at least one adhesive layer, the second work station being designed such that the at least regionally pressing the at least one transfer film and the at least regionally curing the at least one adhesive layer takes place at the same time.
  • the pressing device ensures that one or more surface structures of the substrate are completely or at least partially transferred into the surface of the transfer film and / or the at least one decorative layer and are retained there.
  • the one or more surface structures of the substrate which are already present in one or more first areas when the substrate is provided, can be transferred to the at least one transfer film, comprising at least one decorative layer, by means of a cold embossing process in such a way that the one or several surface structures of the substrate are completely or at least partially retained in the surface of the transfer film and / or the at least one decorative layer during the process by the cold embossing process.
  • the pressing device maintains the surface structures in the same or a similar form also in areas of the surface of the transfer film and / or in which the at least one decorative layer is present completely or at least in areas.
  • the object is further achieved by a body, in particular produced by the above method and / or preferably produced by the above device, the body being designed as a multi-layer body, in particular where the multi-layer body has a sequence of layers, preferably in the following order: Substrate, in particular wherein a surface of the substrate has at least regionally one or more surface structures, at least one adhesive layer, in particular wherein the adhesive layer is at least partially and / or at least partially cured, at least one decorative layer, preferably wherein the substrate is designed as a three-dimensional object and / or as a film and / or has a web-like or band-like shape.
  • Such an object is characterized in that substrates which already have one or more surface structures when they are provided can be provided with at least one transfer film comprising at least one decorative layer by means of a cold embossing process in such a way that the one or more surface structures in the body produced in this way at least remain in areas in a surface of the transfer film and / or the at least one decorative layer.
  • a body is formed in which the surface structures are retained in the same or in a similar form also in areas of the surface of the body in which the at least one decorative layer is present at least in areas.
  • region it can be understood that the one or more first regions and / or the one or more second regions and / or the one or more third regions, ie preferably in terms of surface extent and / or in height and / or in the depth, fully or partially match. It can be provided that one or two of the areas can be larger or smaller than the remaining areas.
  • the areas preferably relate in each case to the entire surface or part of the surface of the substrate, the adhesive layer and / or the transfer film.
  • the surface structure of the substrate, ie the first regions can correspond to the entire surface of the substrate or also to only one or more partial regions of the substrate.
  • the adhesive layer ie the second areas, of the entire Surface of the substrate or only one or more partial areas of the substrate, it being possible for this to be independent of the first areas.
  • the second areas preferably correspond at least to the first areas.
  • the transfer film, ie the third areas can correspond to the entire surface of the substrate or also to only one or more partial areas of the substrate, this being independent of the first and second areas.
  • the third areas preferably correspond to at least the first areas and / or the second areas.
  • the substrate provided in step a) has at least one metal layer and / or metal oxide layer and / or metal compound layer, in particular a partial metal layer and / or metal oxide layer and / or metal compound layer, preferably a metal layer and / or metal oxide layer and / or metal compound layer in a plurality of regions of the substrate.
  • the at least one metal layer preferably comprises one or more metals selected from: chromium, aluminum, gold, copper, tin, indium and / or silver and / or an alloy of one or more metals of the above metals.
  • the at least one metal oxide layer preferably comprises one or more metal oxides selected from: aluminum oxide, chromium oxide, silicon oxide, indium tin oxide, titanium oxide and / or combinations thereof.
  • the at least one metal connection layer preferably comprises zinc sulfide.
  • the at least one transfer film which preferably has the function of a decorative material, preferably comprises the at least one carrier layer and the at least one decorative layer that can be detached from the at least one carrier layer, in particular wherein the at least one transfer film, starting from the at least one carrier layer, preferably includes at least one transparent release layer at least one optional transparent protective lacquer layer, the at least one decorative layer and / or at least one primer layer from a Comprises thermoplastic adhesive, preferably wherein the thermoplastic adhesive can be activated in a temperature range of greater than 90 ° C or equal to 90 ° C.
  • the at least one transparent release layer and the at least one optional transparent protective lacquer layer can be formed by one and the same lacquer layer and / or by the at least one decorative layer, ie this one layer can in particular provide the release function from the at least one carrier layer and the protective function.
  • the at least one transfer film has, in particular on the side or surface facing away from the at least one carrier layer, a primer layer made of a thermoplastic adhesive, which is preferably used as an adhesion promoter layer for a cold adhesive and / or UV adhesive, in particular an adhesive that cross-links under UV irradiation, during cold foil transfer, acts on the substrate.
  • a primer layer of thermoplastic adhesive arranged on the at least one decorative layer of the at least one transfer film with a cold adhesive and / or UV adhesive arranged on the substrate, in particular an adhesive that cross-links under UV radiation, preferably a particularly firm connection is formed between the at least one decorative layer of the at least one transfer film and the substrate and / or the primer layer.
  • thermoplastic adhesives also known as hot adhesives, and cold adhesives, especially adhesives and / or UV adhesives that crosslink under UV radiation, are preferably substances whose adhesive effects are based in particular on completely different chemical-physical principles.
  • the peeling force of the at least one decorative layer of the at least one transfer film from the peeling layer or from the at least one carrier layer and the force to detach areas from the at least one decorative layer of the at least one transfer film under transfer conditions are preferably lower overall are than the adhesive force between the substrate and the at least one Decorative layer of the at least one transfer film, which is preferably influenced by the type of cold adhesive and / or UV adhesive used and its bond with the substrate on the one hand and the primer layer on the other.
  • the at least one transfer film or areas of the at least one decorative layer of the at least one transfer film can in particular detach from the at least one carrier layer and preferably remain attached to the substrate.
  • the release force of the release layer from the at least one carrier layer is so high that safe handling of the at least one transfer film is preferably ensured, preferably without the at least one decorative layer of the at least one transfer film moving away from the at least one carrier layer solves, for example when unwinding the at least one transfer film from a supply roll and / or when transporting the at least one transfer film, possibly via deflection devices, for example into a cold foil transfer unit.
  • the detachment force preferably indicates the force (usually in units of force / length or N / m) which is to be used in particular to detach two layers from one another. There is preferably a positive correlation between the peel force of a first layer from a second layer and the adhesion between the first and the second layer.
  • the determination of the required release force between the at least one carrier layer and the at least one decorative layer of the at least one transfer film is or was preferably determined according to FINAT test method No. 3 (FTM3, "low speed release force").
  • the detachment force preferably has the unit N or cN, in particular wherein the force is determined independently of the path or the distance, preferably based on a 15 cm wide film strip.
  • the at least one decorative layer of the at least one transfer film with a polymeric release layer measured release forces from the at least one carrier layer, which are preferably up to 250% , in particular by up to 150%, were higher.
  • the at least one decorative layer of the at least one transfer film is or was still sufficiently removable and, in contrast to conventional decorative layers of transfer films that have wax-based or silicone-based release layers, can be overprinted very well, preferably with very good adhesion of the dried and / or cured printing ink on the at least one decorative layer of the at least one transfer film was or could be achieved.
  • the release layer is free from wax and / or free from silicone.
  • the at least one transfer film does not have a conventional wax-based or silicone-based release layer, which up to now has preferably caused conventional decorative layers of a transfer film and / or conventional transfer films that were provided with it, in particular only to a limited extent or not at all, with conventional printing inks, in particular UV- curing printing inks, UV-curing lacquers, hybrid inks or lacquers, are or were printable.
  • the at least regional adhesion of printing inks to the at least one decorative layer of the at least one transfer film, which are or have been transferred to the substrate by means of the above method and the above device, is or was determined approximately 1 hour after printing, in particular by means of the following test at room temperature :
  • a body was preferably used as a test pattern in the form of a substrate with the at least one decorative layer of the at least one applied cold thereon Transfer film and printing or cold embossing with the at least one decorative layer of the at least one transfer film arranged at least in partial areas on a flat surface.
  • a 13 cm to 16 cm long strip of adhesive tape 4104 was in particular glued to it, so that preferably about 5 cm to 7 cm of the adhesive tape protruded beyond the edge of the substrate or the body.
  • the scotch tape was then pressed on three to four times, preferably with a human thumb, and finally pulled off the test sample, in particular at an angle of greater than 90 °.
  • the test was preferably considered passed if 90% of the printing ink remained on the test pattern or the test pattern itself was torn.
  • the release layer preferably has a thickness in the range from 0.01 ⁇ m to 0.5 ⁇ m, preferably in the range from 0.01 ⁇ m to 0.3 ⁇ m, more preferably from 0.1 ⁇ m to 0.2 ⁇ m. This comparatively small thickness of the release layer allows, in particular, a sharp-edged and clean detachment of the at least one decorative layer of the at least one transfer film from the transfer film.
  • the thereby achievable accuracy and the achievable resolution can in particular correspond comparatively exactly to the layout of the cold adhesive layer applied partially, preferably on the substrate, and / or the at least one adhesive layer, in particular without deviating significantly from it, preferably whereby a high register accuracy of the cold foil layout and / or adhesive layer layouts for a possibly existing print layout from conventional printing inks can be achieved.
  • this partial detachment which is preferably sharp-edged
  • the small thickness of the detachment layer results in only a great deal small and very few so-called flakes, that is to say small layer residues of the at least one decorative layer of the at least one transfer film, which can be disruptive in particular in subsequent process steps and / or can disrupt the visual appearance of the coated substrate.
  • Due to the comparatively small thickness of the release layer in particular resolutions can be achieved which are below the resolving power of a human eye.
  • Another advantage of a thin release layer is the low release force, which is preferably used when cutting through the layers during partial transfer.
  • the at least one primer layer has a thickness in the range from 1 ⁇ m to 5 ⁇ m, in particular in the range from 1.5 ⁇ m to 3 ⁇ m.
  • the at least one primer layer can preferably be colored and / or matted in order, for example, to enhance an optical contrast to the substrate or to initiate the polymerization of the UV adhesive under the primer layer through a greater possibility of absorption or optical scattering power of the UV radiation Layer and / or the at least one adhesive layer, in particular comprising UV glue or consisting of UV glue, to improve or accelerate. Matting is preferably to be understood as the reduction in the transparency or radiation permeability of the primer layer.
  • the primer layer is in particular provided with pigments and / or fillers.
  • the at least one primer layer which preferably adjoins the cold adhesive and / or the at least one adhesive layer, has a surface roughness in the range from 100 nm to 180 nm, in particular in the range from 120 nm to 160 nm.
  • the surface roughness is preferably determined, in particular, among other things, by the application method and the formulation of the primer layer. It was in particular found that a lower surface roughness, but surprisingly also a higher surface roughness of the primer layer, preferably leads to a reduction in the achievable adhesion between a cold adhesive and / or the at least one adhesive layer and the decorative layer of the at least one transfer film.
  • the surface roughness of the primer layer was determined in particular by means of interference microscopy.
  • not just one, but particularly preferably also two or more primer layers can be present, which preferably differ in their chemical and / or physical properties in order to preferably achieve optimal adhesion on one side in the direction of the adjoining, at least one decorative layer the at least one transfer film and on the other hand optimal adhesion in the direction of the cold adhesive coming into contact with the decorative layer of the at least one transfer film and / or the at least one adhesive layer, in particular comprising or consisting of UV adhesive.
  • the at least one carrier layer preferably has a thickness in the range from 4 ⁇ m to 50 ⁇ m, in particular in the range from 10 ⁇ m to 25 ⁇ m.
  • the at least one carrier layer is preferably made of polyester, polyolefin, polyvinyl, polyimide or ABS.
  • carrier layers made of PET, PC, PP, PE, PVC or PS is particularly preferred.
  • a carrier film made of PET has proven itself.
  • the at least one transfer film has, preferably overall, in particular a thickness in the range from 9 ⁇ m to 55 ⁇ m, in particular in the range from 15 ⁇ m to 30 ⁇ m.
  • the at least one decorative layer of the at least one transfer film has, in particular, a protective lacquer layer.
  • the protective lacquer layer provides protection against mechanical and / or chemical in particular Stress of the at least one decorative layer of the at least one transfer film on the substrate ready.
  • the protective lacquer layer preferably has a thickness in the range from 0.8 ⁇ m to 3 ⁇ m, in particular from 0.9 ⁇ m to 1.3 ⁇ m, and can furthermore in particular be clear, colorless or colored or at least partially colored.
  • Dyes and / or pigments in particular are used for coloring. Pigments can also be used to matt the protective lacquer layer, that is to say to reduce the transparency or radiation permeability or the transmittance of the protective lacquer layer.
  • the substrate in steps a), b) and / or c) can be designed as a three-dimensional object and / or as a film and / or to have a web-like or band-like shape, in particular with a first spatial extension of the substrate being parallel is greater than a second spatial extension of the substrate parallel to a second direction, preferably wherein the first direction is arranged perpendicular to the second direction.
  • the substrate in steps a), b) and / or c) consists of one or more materials of the following materials or comprises one or more materials of the following materials: plastic, in particular PET (polyethylene terephthalate), PMMA ( Polymethyl methacrylate), PC (polycarbonate), PEC, ABS (acrylonitrile butadiene styrene), ABS-PC, PE, PS, PVC, polyamides, PAN, SAN, SBS, PSU, PES, PEEK, PP and / or PET-G , BOPP ("Biaxially Oriented PolyPropylene” or Biaxially Oriented Polypropylene), paper, cardboard, paper composite materials, glass fiber, carbon fiber, metal, metal alloys, precious metal, wood, concrete, stone, corrugated sheet, organic sheet, brushed metal surface, in particular having a brushed metal surface Relief depth in a range between 1 ⁇ m and 1000 ⁇ m, in particular between 10 ⁇ m and 100 ⁇ m.
  • plastic in particular PET (
  • the substrate comprises a paper substrate, particularly preferably a single-layer paper substrate. It is further possible that the substrate comprises cotton fibers, wood fibers, cellulose fibers, textile fibers and / or plastic fibers and / or that the substrate comprises one or more, in particular transparent or translucent, plastic layers.
  • step b) one or more second areas of the one or more second areas of the surface of the substrate to which the at least one adhesive layer is applied and / or which comprise the at least one adhesive layer, with one or more first regions of the one or more first regions of the surface of the substrate comprising the one or more surface structures partially or completely overlapping.
  • one or more third areas of the one or more third areas of the surface of the substrate comprising the at least one transfer film and / or the surface facing away from the substrate of the at least one adhesive layer comprising the at least one transfer film preferably overlap with one or more first regions of the one or more first regions of the surface of the substrate comprising the one or more surface structures partially or completely.
  • one or more second regions of the one or more second regions of the surface of the substrate comprising the at least one adhesive layer partially or completely overlap.
  • At least one surface structure of the one or more surface structures in the one or more first regions of the surface of the substrate in step a) has a relief depth and / or a relief height of less than or equal to 1 mm, in particular less than or equal to 0.75 mm, preferably less than or equal to 0.5 mm, more preferably from a range from 0.02 mm to 0.3 mm, on and / or a depth-to-width ratio, in particular an average depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5, on.
  • a relief depth of a surface structure is understood here to mean, in particular, the depth starting from an original surface of the substrate that is not provided with a surface structure and the deepest point of the depression.
  • a relief height of a surface structure is understood to mean, in particular, the distance between the original surface of the substrate that is not provided with a surface structure and the highest point of the elevation.
  • the one or more surface structures in the substrate are preferably introduced as a recess in the substrate before step a), the recess having a depth of at least 0.025 ⁇ m, in particular at least 0.05 ⁇ m, preferably at least 0.1 ⁇ m. It is also possible for the one or more surface structures in the substrate to be introduced into the substrate as an elevation before step a), the elevation having a height of at least 0.025 ⁇ m, in particular at least 0.05 ⁇ m, preferably at least 0.1 ⁇ m.
  • one or more surface structures of the one or more surface structures can be naturally or artificially produced at least in some areas and / or at least in some areas to be combinations of naturally and artificially produced surface structures.
  • a substrate which consists of a wooden board has a natural grain as a surface structure or in the surface of the wooden board.
  • the wood in particular additionally, have artificially introduced surface structures, for example an additional roughening.
  • a substrate which comprises metal and / or consists of metal preferably before step a) and / or in step a), preferably in contrast to a hot embossing process for hot embossing on such substrates which include metal and / or consist of metal, in particular is not primed.
  • one or more surface structures of the one or more surface structures in the one or more first regions of the surface of the substrate are formed as one or more surface reliefs, in particular wherein one or more surface reliefs of the one or more surface reliefs have a depth-to-width ratio, in particular an average depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5, and / or are designed as engravings and / or one or more of the
  • design elements include: alphanumeric characters, characters, symbols, microscripts, images, photos, logos, portraits, pictograms, patterns, in particular endless patterns, and / or motifs.
  • the at least one adhesive layer when applied to the one or more second regions of the surface of the substrate in step b), has a viscosity which is between 200 mPas and 2000 mPas, in particular between 500 mPas and 1500 mPa ⁇ s, preferably between 800 mPa ⁇ s and 1200 mPa ⁇ s.
  • the at least one adhesive layer is distributed and / or distributed over the elevations and / or depressions of the surface structure and / or the one or more surface reliefs when it is pressed on in step c) of the method, that at least one adhesive layer is formed, which preferably has a constant layer thickness.
  • the surface structures of the substrate are in the same or similar form, i. preferably present in the area and / or in the height and / or in the depth, also in the adhesive layer.
  • the viscosity is understood here in particular as a measure of the fluidity of a liquid.
  • water has a lower viscosity at room temperature than liquid honey or asphalt.
  • the above selected value ranges for the viscosity of the at least one adhesive layer can achieve that the at least one adhesive layer runs in such a way that it preferably has a constant layer thickness. If the viscosity is set too low, the at least one adhesive layer can run undesirably, in particular with the raised areas of the surface structures not or only slightly wetted by the at least one adhesive layer.
  • the viscosity of the at least one adhesive layer is measured and / or determined, preferably at room temperature, by means of the Brookfield viscosity measurement or the spindle method.
  • the UV adhesive used has in particular the following viscosities, measured with the Rheometer MCR 101 measuring device from Physica (measuring cone: CP25-1 / Q1; Measurement temperature: 20 ° C.): viscosity at shear rate 25 1 / s: preferably 120 to 220 Pas, in particular 180 Pas, viscosity at shear rate 100 1 / s: preferably 40 to 90 Pas, in particular 80 Pas.
  • the UV-crosslinking adhesive or UV adhesive used preferably has a tack value in the range from 18 to 25, in particular from 22.
  • the "tack" or what is known as the initial adhesion is preferably determined using the Inkomat 90T / 600 measuring device from Ardbau. In particular, the following measurement conditions are or have been selected: 10 UV adhesive quantity: 1 g, roller speed: 100 m / min, measurement temperature: 20 ° C., measurement duration: 2 min.
  • a Tesa-proof adhesion (especially Tesa test, see above) is achieved between the at least one decorative layer of the at least one transfer film and the substrate, preferably with the Tesa test after a few minutes and preferably when using a UV adhesive when using a conventionally drying adhesive or cold adhesive. Kleber's test could be rated as passed immediately after exposure to UV radiation. In particular, over 90% of the decorative material remained on or on the substrate.
  • the at least one adhesive layer which is applied to the one or more second areas of the surface of the substrate in step b) has a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular a maximum of 20% , in particular in the one or more first areas of the surface of the substrate comprising the one or more surface structures having a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular by a maximum of 20%, preferably with partial or complete overlapping of one or more second areas the one or more second regions of the surface of the substrate comprising the at least one adhesive layer with one or more first regions the one or more first regions of the surface of the substrate comprising the one or more surface structures has a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular by a maximum of 20%.
  • the at least one adhesive layer which is applied to the one or more second areas of the surface of the substrate in step b) has one in a first group of one or more first and / or second areas of the one or more first or second areas having first layer thickness and in a second group of one or more first and / or second areas of the one or more first or second areas a second layer thickness, in particular wherein the first layer thickness and the second layer thickness differ from one another, preferably wherein the first layer thickness and / or the second layer thickness is constant and / or the first and the second layer thickness differ from one another by less than 10%, in particular by less than 20%.
  • the surface structures of the substrate are in the same or similar form, i. preferably in the area and / or in height and / or in depth, also in the adhesive layer, i.e. the surface structure of the adhesive layer can vary by a maximum of 10%, in particular by a maximum of 20%, to the surface structure of the substrate.
  • the surface structure of the substrate will also be present in the transfer film in the same or a similar form, i.e. the surface structure of the transfer film can vary by a maximum of 10%, in particular by a maximum of 20%, to the surface structure of the substrate.
  • the at least one adhesive layer in step b) by means of inkjet printing, pad printing, in particular with a pad hardness between 5 Shore A and 20 Shore A, screen printing, flexographic printing and / or digital printing on the one or more second areas of Surface of the substrate is applied.
  • the at least one adhesive layer in steps b) and c) is preferably designed as a UV adhesive, in particular having the above properties, in particular wherein the curing of the at least one adhesive layer takes place by exposure to UV radiation, preferably wherein the UV radiation is through at least one UV radiation source is generated, further preferably wherein the UV radiation has a wavelength or an intensity maximum in a wavelength range from 250 nm to 420 nm, preferably in the wavelength range from 380 nm to 420 nm.
  • An ultraviolet spectrum is understood to mean one or more parts of the ultraviolet range of the electromagnetic spectrum, the ultraviolet spectrum being able to be selected, for example, from one or more parts of the wavelength range from 50 nm to 500 nm.
  • the at least one adhesive layer is at least partially cured in step c), in particular the at least one carrier layer of the at least one transfer film being peeled off after the at least partial curing of the at least one adhesive layer and the substrate and / or the at least one adhesive layer then, in particular in a further step, cured once or several times repeatedly, in particular irradiated with UV radiation.
  • a partial hardening of the at least one adhesive layer can be advantageous than that a partially hardened adhesive layer can be deformed and / or reshaped in one or more further steps and / or intermediate steps.
  • the layer thickness of the at least one adhesive layer extends at at least one point on the surface of the substrate along the direction of a normal vector at this point and / or preferably the layer thickness extends at at least one point on the surface of the substrate along a direction of a curvature vector at this point.
  • the at least one adhesive layer after step b) and / or after step c) has a layer thickness between 3 ⁇ m and 30 ⁇ m, in particular between 2 ⁇ m and 20 ⁇ m, preferably between 1 ⁇ m and 10 ⁇ m.
  • Particularly suitable classes of substances for the UV adhesive or the UV-crosslinking adhesive are adhesives based on epoxy resin, for example for glass or other polar surfaces, and / or based on acrylates, for example for plastics such as PE (polyethylene).
  • UV radiation ultraviolet
  • mercury vapor lamps for example high pressure mercury lamps, doped high pressure mercury lamps, carbon arc lamps, xenon arc lamps, metal halogen lamps, UV lasers or UV light-emitting diodes can be used as UV radiation sources in step c) of the method.
  • UV adhesive is used by means of electron beam curing in step c) of the method.
  • the duration of an irradiation of the at least one adhesive layer while the at least one transfer film is being pressed with UV radiation is preferably in the range of less than one second.
  • the duration of an irradiation of the at least one adhesive layer after the at least one carrier layer has been peeled off and / or detached from the at least one adhesive layer of the at least one transfer film applied with UV radiation, preferably by means of pressing on the at least one transfer film and curing the at least one adhesive layer Range from approx. 0.005 s to 0.05 s, preferably approx.
  • step b) of the method at least one adhesive layer of the at least one adhesive layer on at least one side, in particular on the front side and / or on the rear side, the substrate and / or to apply and / or apply to the primer layer of the at least one transfer film and / or the at least one transfer film.
  • the UV adhesive of the at least one adhesive layer in particular the adhesive and / or UV adhesive crosslinking under UV radiation, in an application amount in the range from 1 g / m 2 to 3 g / m 2, at least in some areas is applied to the substrate.
  • the amount of UV adhesive should be varied depending on the absorbency of the substrate used, preferably with less absorbent and / or open pore-free substrates in particular with UV adhesive amounts in the range from 1 g / m 2 to 2 g / m 2 and more strongly absorbent and / or open-pored substrates are exposed to UV adhesive quantities in the range from 2 g / m 2 to 3 g / m 2 in particular.
  • the adhesive and / or UV adhesive used is, in particular, a sufficient lacquer adhering to the substrate and later to the at least one decorative layer of the at least one transfer film, in particular a clear or colored and thereby transparent, translucent or opaque screen printing varnish or flexographic printing varnish.
  • the UV adhesive is applied in particular as a transparent, translucent or opaque colored layer, several adhesives in different colors and / or shades of gray are preferably used in order to create, for example, a multi-colored motif in the form of a symbol, logo, coat of arms, letters or numbers, preferably with the motif being composed of partial surface portions of the individual colors and / or gray levels, more preferably with the surface portions being arranged next to one another and / or overlapping.
  • the individual raster points of the colored layers are in particular adjacent and / or above one another.
  • the UV adhesive crosslinking under UV irradiation is preferably only completely crosslinked and cured when the amount of irradiation is sufficiently high and achieves a high adhesive strength, in particular with detachment of the areas of the at least one adhesive layer transferred or applied to the substrate and / or the surface of the substrate the substrate is reliably prevented.
  • the layer of a transfer film which in particular has the lowest UV permeability of all the layers present is preferably decisive for the UV permeability of a transfer film.
  • the metallic layer only has a layer thickness in the range from 8 nm to 15 nm, preferably in the range from 10 nm to 12 nm. It is also possible for the metallic layer to have a layer thickness in the range from 12 nm to 15 nm. This achieves good visibility and a decorative effect of the metallic layer in combination with a high degree of permeability for UV radiation, in particular with the optical density (OD) being approximately 1.2.
  • metal layers with a thickness in the range of more than 15 nm are usually used, preferably in order to achieve optimum brilliance. Due to the resulting high optical density of about 2, such conventional metal layers are in particular not sufficiently UV-permeable for the use of a UV adhesive as a cold adhesive.
  • the metallic layer is formed from aluminum, silver, gold, copper, nickel, chromium, tin, indium and / or an alloy comprising at least two of these metals or comprises these metals.
  • the at least one decorative layer of the at least one transfer film in particular in addition or as an alternative to the metallic layer, preferably has further colored layers, it is particularly advantageous if the at least one decorative layer overall does not exceed an optical density of about 1.2, in particular by a to achieve sufficient UV transmission.
  • the pressing of the at least one transfer film in step c) is conveyed via at least one pressing body, in particular wherein the at least one pressing body comprises one or more flexible pressing layers, preferably wherein the one or more flexible pressing layers at least for one or more Wavelengths of the UV radiation and / or in one or more wavelength ranges of the UV radiation is translucent or transparent, preferably with the one or more flexible pressure layers at least partially between the at least one UV radiation source which the UV radiation preferably emitted, and the substrate and / or the at least one adhesive layer are arranged.
  • transparent is understood in particular to be a property, in particular an optical property, which is a measure of the permeability of a layer and / or a body and / or a material for one or more spectral components of the electromagnetic spectrum.
  • the transparency of a substance, such as a substrate and / or the one or more flexible pressure layers is preferably described by a measure referred to as transmittance or transmissivity, the transmittance or transmissivity being in particular a value which preferably represents the percentage of the one or more Specifies spectral components which penetrates through the transparent or translucent substrate and / or through the one or more flexible pressure layers.
  • An optical thickness is preferably understood to be a, in particular dimensionless, measure which preferably indicates how much the intensity of an electromagnetic wave or electromagnetic radiation decreases when it is caused by a substance and / or a material and / or a layer and / or a body penetrates through.
  • the one or more UV LEDs are further preferred by a transparent layer or protective layer, which consists for example of PC, PMMA or glass or comprises these, in particular with a thickness between 2 mm to 6 mm, preferably against the effects of pressure from the one or more flexible pressure layers protected.
  • the at least one pressure body preferably comprises two or more flexible pressure layers, in particular wherein the two or more pressure layers are arranged or designed in a sequence, in particular as a multilayer structure, that the degrees of hardness of the two or more pressure layers along one of the plane of the substrate and / or the normal vector spanned by at least one adhesive layer, in particular starting from the pressure layer of the two or more pressure layers closest to the substrate and / or the at least one adhesive layer, vary from pressure layer to pressure layer, in particular increase.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body in a wavelength range from 250 nm to 420 nm, in particular in a range from 380 nm to 420 nm, transparent or translucent is further preferred.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body has a transmissivity in a range from 30% to 100%, particularly preferably in a range from 40% to 100%, and / or has a layer thickness in a range from 1 mm to 20 mm, in particular from 2 mm to 15 mm, preferably from 3 mm to 10 mm, and / or has a layer thickness of less than or equal to 0.75 mm, in particular less than or equal to 0.5 mm , preferably of less than or equal to 0.25 mm.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body is flat and / or curved and / or three-dimensional and / or is in particular at least partially arched and / or curved and / or has at least partially a structured and / or or textured surface.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body comprises silicone or consists of silicone.
  • the silicone has a degree of hardness in one Range from 5 ° Shore A to 90 ° Shore A, in particular from 10 ° Shore A to 75 ° Shore A, preferably from 20 ° Shore A to 50 ° Shore A.
  • the Shore hardnesses and layer thicknesses of the one or more flexible pressure layers depend on the relief heights and / or relief depths, in particular in a range from 0.02 to 0.3 mm, preferably a maximum of 1 mm, the one or more surface structures in the surface of the substrate and / or the fineness of the one or more surface structures, for example an engraving representing a motif or an area to be partially decorated, the surface of the substrate.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body in particular comprising silicone or consisting of silicone, has a surface facing the substrate and / or the at least one adhesive layer, which surface is in particular flat and / or is formed cambered.
  • a “cambered” surface is understood here in particular to mean that the surface has an intrinsic roughness, preferably avoiding when pressing and / or curing in step c) of the method that there is between the at least one adhesive layer and the one or more flexible pressure layers Form air bubbles, which could have a particularly detrimental effect on the quality of the body to be produced.
  • step c) at least one surface facing the substrate and / or one of the at least one adhesive layer facing surface of at least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body has, at least in some areas, a height profile that corresponds to a height profile or more surface structures of one or more corresponds to or follows several surface structures, in particular wherein the height profiles vary in one or more directions.
  • At least one surface facing the substrate and / or the at least one adhesive layer has at least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body in step c) an at least regionally planar or structured height profile.
  • the at least regionally planar or structured height profile when pressed in step c) resembles or adapts to a height profile of one or more surface structures of the one or more surface structures in or on the surface of the substrate in such a way that the at least one adhesive layer after pressing in the Step c) and / or after hardening in step c) has a constant layer thickness.
  • the at least regionally planar or structured height profile of the one or more surface structures of the one or more surface structures in or on the surface of the substrate preferably varies in one or more directions.
  • the shape of the one or more flexible pressure layers prefferably be flat or three-dimensional, in particular as a three-dimensionally curved or curved contour with a smooth or structured / textured surface.
  • a structured and / or textured surface of the one or more flexible pressure layers is advantageous in order to transfer such a structure and / or texture to the surface of the at least one decorative layer during cold embossing. It is also possible for such a structure and / or texture to be an endless pattern or motif or a single pattern and / or motif or a combination thereof.
  • the surface of a material comprising silicone or consisting of silicone is one or more flexible pressure layers for the transfer film to be processed is preferably adhesive, in particular where the surface roughness, in particular the mean roughness, of such an adhesive surface is less than about 0.5 ⁇ m, in particular between 0.06 ⁇ m and 0.5 ⁇ m, preferably between about 0 , 1 ⁇ m and 0.5 ⁇ m.
  • an adhesive surface it is particularly advantageous if an intermediate film, in particular made of PET, is provided between the pressure layer and the at least one transfer film.
  • the Shore A measuring method measures in particular a penetration depth of a test body between 0 mm and 2.5 mm and preferably prescribes a minimum thickness of the test object of 6 mm.
  • the Shore A measurement method can be used to determine that the effective hardness of the sandwich is preferably greater than the hardness or the degree of hardness of the silicone stamp and that the film preferably dominates and defines the total hardness of the sandwich, in particular regardless of the thickness of the silicone layer .
  • the pressure layer is preferably provided with a non-adhesive surface, in particular whereby the use of an intermediate film is dispensed with, preferably the overall arrangement behaving more softly, more preferably whereby a smaller pressure force is sufficient to press the substrate against the one or more flexible pressure layers.
  • a non-adhesive surface in particular between 0.5 ⁇ m and 1 ⁇ m, preferably between approximately 0.6 ⁇ m and 7 ⁇ m, more preferably between approximately 0 , 8 ⁇ m and 3 ⁇ m.
  • the pressing device or the pressing body and / or the one or more flexible pressing layers preferably ensures the reliable and uniform unrolling of the substrate under defined conditions and thereby compensates for shape and movement tolerances of the same.
  • the pressing device or the pressing body and / or the one or more flexible pressing layers for example, only have a slight pressing force in the case of substrates made of wood or plastic, since these would otherwise be deformed, in the case of substrates made of harder or more resistant materials such as metal, glass, porcelain or Ceramic, somewhat higher contact forces are advantageous, in particular due to higher shape tolerances and / or higher mechanical stability of the substrate.
  • the contact force is preferably about 1 N to 1000 N.
  • the contact force for substrates made of plastic or wood can be about 50 N to 200 N and for substrates made of metal, glass, porcelain or ceramic it can be about 75 N to 300 N.
  • Um To additionally prevent deformation of plastic parts, for example, the substrate to be decorated can be filled with compressed air in a correspondingly designed holding device during the embossing process.
  • the at least one transfer film comprising at least one decorative layer and at least one carrier layer in step c) or the at least one decorative layer in step c) preferably has for UV radiation in the wavelength range from 250 nm to 420 nm, preferably in a wavelength range from 380 nm to 420 nm, a transmissivity in a range from 5% to 95%, in particular in a wavelength range from 10% to 70%, preferably in a range from 20% to 40%, in particular where the UV radiation from the at least one UV -Radiation source is provided.
  • the at least one decorative layer which is in particular included in the at least one transfer film, generates an optical effect, in particular an optically variable effect, that is recognizable for the human observer and / or an optical sensor in step c).
  • the at least one decorative layer here preferably comprises a layer with a microscopic or macroscopic surface relief, in particular a diffraction-optically effective surface relief or a surface relief in the form of a lens structure, a matt structure or a blaze grating.
  • the at least one decorative layer comprises a thin-film layer system, in particular a Fabry-Perot thin-layer system, which has at least one spacer layer with an optical layer thickness in a range of ⁇ 1 ⁇ 2 or ⁇ 1 ⁇ 4 for a wavelength ⁇ in the range of visible light, preferably Color shift effects that are dependent on the viewing angle can be generated by the thin film layer system.
  • These thin film layer systems preferably comprise a spacer layer, in particular arranged between an absorption layer and a reflection layer or can preferably be formed by a layer comprising thin-film layer pigments.
  • the at least one decorative layer comprises one or more volume hologram layers.
  • the at least one decorative layer to have a liquid crystal layer, in particular a crosslinked nematic and / or cholesteric liquid crystal layer, which preferably changes the polarization of the incident light and / or generates viewing angle-dependent color shift effects.
  • effect pigments interference layer pigments, liquid crystal pigments
  • IR infrared or infrared radiation
  • thermochromic pigments includes.
  • “Activatable” is understood here in particular as the conversion of the irradiated radiation that is not visible to the human eye into radiation that is visible to the human eye, as is the case, for example, with fluorescence and / or phosphorescence effects.
  • the at least one decorative layer to have one or more colored layers, in particular colored lacquer layers formed in pattern form or layers colored by means of pigments and / or colorants.
  • the body it is possible for the body to have two or more such decorative layers or for several of the above-mentioned layers to be included in at least one decorative layer of the at least one decorative layer.
  • Refractive index or refractive index or optical density is preferably understood to mean an, in particular dimensionless, optical material property which in particular indicates the factor by which the wavelength and / or the phase velocity of an electromagnetic wave or electromagnetic radiation in a material is smaller than in a vacuum.
  • Refractive index or refractive index or optical density is preferably understood to mean an, in particular dimensionless, optical material property which in particular indicates the factor by which the wavelength and / or the phase velocity of an electromagnetic wave or electromagnetic radiation in a material is smaller than in a vacuum.
  • At least one decorative layer of the at least one decorative layer of the at least one transfer film has at least one metallic layer, at least one dielectric layer and / or at least one colored layer, in particular at least one transparent, translucent or opaque colored layer, at least in some areas .
  • the at least one decorative layer of the at least one transfer film is preferably designed as a metallic layer or a dielectric layer. It has proven to be particularly useful if the at least one decorative layer of the at least one transfer film has a thickness in the range from 8 nm to 500 nm.
  • the metallic or dielectric layer is preferably colored by additional, in particular transparent or translucent, colored layers. It is possible that the at least one decorative layer of the at least one transfer film preferably has one or more, in particular transparent or translucent, or opaque colored layers, preferably without a metallic or dielectric layer.
  • the colored layers can in particular have been applied by means of printing processes. All common printing processes (for example screen printing, flexographic printing, gravure printing, offset printing, digital printing, inkjet printing) can be used as the printing method for the color layer.
  • the at least one decorative layer of the at least one transfer film in particular as an alternative or in addition to metallic or dielectric layers or colored layers, have a lacquer with embossed macroscopic, in particular refractive, or microscopic, in particular diffractive, relief structures.
  • These relief structures can be, for example, refractive lens or prismatic structures or diffractive, ie diffractive grating structures such as a hologram, a KINEGRAM®.
  • the relief structures are designed as isotropically or anisotropically scattering matt structures or regularly or irregularly constructed anti-reflection structures.
  • Macroscopic relief structures have, in particular approximate or medium sizes (structure period or spatial frequency, structure depth or relief depth or relief height) of approximately 1 ⁇ m to 1000 ⁇ m.
  • microscopic relief structures preferably approximate or medium, sizes (structure period or spatial frequency, structure depth or relief depth or relief height) of approximately 10 nm to approximately 100 ⁇ m.
  • the dielectric layer preferably consists or comprises at least one material or a material from the group comprising metal oxide, polymer or lacquer.
  • SiO x SiO x , MgO, TiO x , Al 2 O 3 , ZnO, ZnS, has proven particularly useful.
  • the at least one decorative layer of the at least one transfer film is formed from an HRI material that is permeable and / or transparent in one or more UV wavelength ranges, such as CdSe, CeTe, Ge, HfO 2 , PbTe, Si, Te, TiCl or ZnTe.
  • an HRI material that is permeable and / or transparent in one or more UV wavelength ranges, such as CdSe, CeTe, Ge, HfO 2 , PbTe, Si, Te, TiCl or ZnTe.
  • the metallic or dielectric layer preferably serves as a reflective layer for the above-mentioned relief structures and in particular is or will be applied directly, in particular vapor-deposited, to the relief structures and in particular follows the surface shape or the height profile of the molded relief structure.
  • the at least one decorative layer of the at least one transfer film may have the aforementioned dielectric, metallic or colored layers over the entire surface and in a uniformly applied layer thickness.
  • individual or all of these dielectric, metallic or colored layers are also partially applied and in particular form a motif.
  • the motif is composed of partial surface portions of the individual layers, in particular the individual layers being formed next to one another and / or overlapping.
  • the individual raster points of the colored layers are preferably present next to one another and / or one above the other.
  • the colored layers here preferably have metallic and / or optically variable, in particular angle-dependent pigments or dyes, in particular fluorescent and / or phosphorescent dyes.
  • step c) at least one decorative layer of the at least one decorative layer of the at least one transfer film is formed by a replication lacquer layer with a surface relief molded into the replication lacquer layer, in particular wherein the surface relief molded into the replication lacquer layer is at least partially of an optically active surface structure is formed, selected from: diffractive surface structure, in particular hologram, zero order diffraction structures, matt structure, in particular isotropic or anisotropic matt structure, blaze grating, lens structure, microlens structure, microprism structure, micromirror structure, and / or a combination of two or more of these optically active surface structures.
  • an optically active surface structure selected from: diffractive surface structure, in particular hologram, zero order diffraction structures, matt structure, in particular isotropic or anisotropic matt structure, blaze grating, lens structure, microlens structure, microprism structure, micromirror structure, and / or a combination of two or more of these optically
  • the at least one transfer film preferably has at least one carrier layer and at least one, in particular transparent, replication lacquer layer or embossing lacquer layer applied thereon, preferably with the replication lacquer layer or Embossing lacquer layer one or more relief structures or surface reliefs of which one or more relief structures or surface reliefs are embossed.
  • the replication lacquer layer or embossing lacquer layer with the relief structures or surface reliefs is preferably an outer layer of the at least one transfer film, in particular wherein the relief structures or surface reliefs are embossed on the side or surface of the replication lacquer layer or embossing lacquer layer facing away from the at least one carrier layer.
  • a very thin non-stick layer preferably with a layer thickness equal to or less than 1 ⁇ m
  • the replication lacquer layer or embossing lacquer layer is preferably a UV-hardened or electron beam-hardened lacquer layer.
  • the relief structures or surface reliefs to be or are embossed directly or immediately into the at least one carrier layer, in particular without the use of an additional replication lacquer layer or embossing lacquer layer. It is also possible that in this case a very thin non-stick layer, preferably with a layer thickness equal to or less than 1 ⁇ m, is or will be applied to the relief structures or surface reliefs.
  • the at least one decorative layer of the at least one transfer film has a motif, it is particularly advantageous to apply the motif in a desired position, in particular in a precise position, on the substrate.
  • the positional accuracy is also referred to as register accuracy.
  • the at least one decorative layer of the at least one transfer film preferably has register marks in its edge area, which are preferably read out, in particular optically, by appropriately arranged sensors.
  • the feeding or positioning of the at least one transfer film can be controlled, for example by means of servomotors, in such a way that, in particular, a motif on the at least one transfer film is in register with a likewise correspondingly set position of the substrate is positioned and then the at least one carrier layer is preferably pressed onto the substrate.
  • the at least one decorative layer of the at least one decorative layer of the at least one transfer film in step c) is applied to one or more first areas of the one or more first areas of the surface of the substrate comprising the one or more surface structures and / or to one or more second areas the one or more second regions of the surface of the substrate comprising the at least one adhesive layer applied.
  • Register or register or register accuracy or register accuracy or position accuracy is to be understood as a positional accuracy of two or more elements and / or layers relative to one another.
  • the register accuracy should move within a specified tolerance and be as high as possible.
  • the register accuracy of several elements and / or layers to one another is an important characteristic in order to increase process reliability.
  • the positionally accurate positioning can take place in particular by means of sensory, preferably optically detectable, registration marks or the position markings. These registration marks or position markings can either represent special separate elements or areas or layers or can themselves be part of the elements or areas or layers to be positioned.
  • One or more position markings are preferably introduced into the substrate as depressions in the substrate prior to step a), the depressions have a depth of at least 0.025 ⁇ m, in particular of at least 0.05 ⁇ m, preferably of at least 0.1 ⁇ m. It is also possible that one or more position markings are introduced into the substrate as elevations in the substrate prior to step a), the elevations having a height of at least 0.025 ⁇ m, in particular at least 0.05 ⁇ m, preferably at least 0.1 ⁇ m , exhibit.
  • the substrate preferably has a feed speed in one or more steps of steps a), b) and / or c), in particular wherein the feed speed runs parallel to one of the edges of the substrate, preferably wherein the feed direction specifies the direction of the feed speed.
  • the feed rate is preferably more than 1 m / min, preferably more than 100 m / min, more preferably more than 100 m / min.
  • the application speed is preferably 2 to 150 strokes per minute, more preferably 10 to 100 strokes per minute.
  • the pressing device is moved and / or traversed in such a way that the surface surface speed of the pressing device corresponds in particular to the feed speed of the substrate and / or the at least one transfer film, preferably wherein the at least one transfer film is moved in such a way that the feed speed of the at least a transfer film corresponds to the feed speed of the substrate.
  • steps a), b) and / or c) are carried out in a sequence, in particular in a time sequence, in such a way that the resulting process is preferably an inline process.
  • the substrate is designed as a three-dimensional object and / or film and / or has a web-like or ribbon-like shape, in particular with a first spatial extension of the substrate parallel to a first direction when designed as a film and / or a web - Or band-like shape is greater than a second spatial extension of the substrate parallel to a second direction, preferably wherein the first direction is arranged in particular perpendicular to the second direction.
  • one or more first regions of the surface of the substrate comprise the one or more surface structures and one or more second regions of the surface of the substrate comprise the at least one adhesive layer, with one or more first regions of the one or more first regions in particular one or more second regions of the partially or completely overlap one or more second regions.
  • one or more third areas of the surface of the substrate and / or the surface of the at least one adhesive layer facing away from the substrate have the at least one transfer film, with one or more third areas of the one or more third areas in particular one or more first areas of the one or several first regions of the surface of the substrate comprising the one or more surface structures partially or completely overlapping and / or one or more second regions of the one or more second regions of the surface of the substrate comprising the at least one adhesive layer partially and / or completely overlapping.
  • At least one surface structure of the one or more surface structures in the one or more first areas of the surface of the substrate has a relief depth and / or a relief height of less than or equal to 1 mm, in particular of less than or equal to 0.75 mm, preferably of less than or equal to 0.5 mm, more preferably from a range of 0.02 mm to 0.3 mm, and / or a depth-to-width ratio, in particular an average depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5.
  • one or more surface structures of the one or more surface structures in the one or more first regions of the surface of the substrate are shaped as one or more surface reliefs, in particular one or more surface reliefs of the one or more surface reliefs having a depth Width ratio, preferably an average depth-to-width ratio, between 0.05 and 10, particularly preferably between 0.1 and 5, and / or are designed as engravings and / or include one or more of the following design elements: Alphanumeric characters, characters, symbols, microscripts, images, photos, logos, portraits, pictograms, patterns, in particular endless patterns, and / or motifs.
  • the first work station preferably has one or more further printing devices, in particular for at least regionally applying one or more further adhesive layers to the surface of the substrate and / or to at least one surface of the at least one adhesive layer facing away from the substrate.
  • At least one adhesive layer has a viscosity between 200 mPas and 2000 mPas, in particular between 500 mPas and 1500 mPas s, preferably between 800 mPa ⁇ s and 1200 mPa ⁇ s.
  • the surface structures of the substrate are in the same or similar form, i. preferably present in the area and / or in the height and / or in the depth, also in the adhesive layer.
  • the at least one adhesive layer and / or the one or more further adhesive layers can be applied at least regionally by the printing device and / or the further printing devices to the surface of the substrate in such a way that the at least one adhesive layer and / or one or more several further adhesive layers, in particular each, a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular by a maximum of 20%, in particular with partial or complete overlapping one or more areas of the surface of the substrate comprising the at least one adhesive layer and / or the one or more further adhesive layers with one or more areas of the surface of the substrate comprising the one or more surface structures, in particular each having a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular by a maximum of 20%, preferably where the at least an adhesive layer and / or the one or more further adhesive layers, in particular in each case, has a layer thickness between 3 ⁇ m and 30 ⁇ m, in particular between 2 ⁇ m and 20 ⁇ m, preferably between 1 ⁇ m
  • the at least one adhesive layer and / or the one or more further adhesive layers is or are applied at least regionally by the printing device and / or the further printing devices to the surface of the substrate in such a way that the at least one adhesive layer and / or the one or more further adhesive layers in or on one or more areas of the surface of the substrate in a first group of one or more areas of the one or more areas has or have a first layer thickness and in a second group of one or more areas of the one or more Areas a second Has or have layer thickness, in particular wherein the first layer thickness and the second layer thickness differ from one another, preferably wherein the first layer thickness and / or the second layer thickness is constant and / or the first and the second layer thickness vary by less than 10%, in particular by less than 20%, differ from one another, preferably with the first layer thickness and / or the second layer thickness being selected from a range from 3 ⁇ m to 30 ⁇ m, in particular from 2 ⁇ m to 20 ⁇ m, preferably from 1 ⁇ m to 10
  • the surface structures of the substrate have a similar shape, i. preferably in the area and / or in height and / or in depth, also in the adhesive layer, i.e. the surface structure of the adhesive layer can vary by a maximum of 10%, in particular by a maximum of 20%, to the surface structure of the substrate.
  • the surface structure of the substrate will also be present in the transfer film in the same or a similar form, i.e. that the surface structure of the transfer film can preferably vary by a maximum of 10%, in particular by a maximum of 20%, to the surface structure of the substrate.
  • the at least one adhesive layer and / or the one or more additional adhesive layers applied at least in regions to the surface of the substrate by the printing device and / or the further printing devices is designed as a UV adhesive.
  • the second work station prefferably has one or more further pressing devices, in particular for pressing the at least one transfer film and / or one or more further transfer films on the surface of the at least one adhesive layer facing away from the substrate and / or the surface of the substrate, at least in regions, and / or that the second work station has one or more further irradiation devices, in particular for irradiating the at least one at least in regions at least regionally on the surface of the substrate applied adhesive layer and / or of one or more further adhesive layers applied at least regionally on the surface of the substrate and / or on at least one further surface of the at least one adhesive layer applied at least regionally on the surface of the substrate.
  • the pressing device and / or the one or more further pressing devices in particular each, have at least one pressing body, in particular wherein the at least one pressing body comprises one or more flexible pressing layers, preferably the one or more flexible pressing layers for at least one or several wavelengths of the UV radiation and / or are translucent or transparent in one or more wavelength ranges of the UV radiation.
  • the at least one pressure body comprises two or more flexible pressure layers, in particular wherein the two or more flexible pressure layers are arranged or designed in a sequence, in particular as a multilayer structure, that the degrees of hardness of the two or more pressure layers along one of of the plane of the substrate and / or the at least one adhesive layer spanned normal vector starting from a pressure layer of the two or more pressure layers closest to the substrate and / or the at least one adhesive layer vary from pressure layer to pressure layer, in particular increase.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body is transparent or translucent in a wavelength range from 250 nm to 420 nm, in particular in a wavelength range from 380 nm to 420 nm.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body preferably has a transmissivity in a range from 30% to 100%, particularly preferably in one Range from 40% to 100%, and / or has a layer thickness in a range from 1 mm to 20 mm, in particular from 2 mm to 15 mm, preferably from 3 mm to 10 mm, and / or has a layer thickness of less or equal to 0.75 mm, in particular less than or equal to 0.5 mm, preferably less than or equal to 0.25 mm.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body is preferably flat, curved and / or three-dimensional, in particular at least partially arched and / or curved and / or has at least partially a structured and / or textured surface.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body comprises silicone or consists of silicone, in particular the silicone having a hardness or a degree of hardness in a range from 5 ° Shore A to 90 ° Shore A, preferably from 10 ° Shore A to 75 ° Shore A, more preferably from 20 ° Shore A to 50 ° Shore A.
  • At least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body in particular comprising silicone or consisting of silicone, has a surface facing the substrate and / or the at least one adhesive layer, which surface is in particular flat and / or is formed cambered.
  • At least one surface of at least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body has at least in some areas a height profile which is deformed when pressure is applied at least in some areas in such a way that this height profile corresponds to one or more surface structures of one or more surface structures or a plurality of surface structures in or on the surface of the substrate or follows, in particular wherein the height profiles vary in one or more directions.
  • At least one surface of at least one flexible pressure layer of the one or two or more pressure layers of the at least one pressure body preferably has at least one height profile, in particular at least one structured or flat height profile, at least in some areas, which is deformed when it is pressed at least in some areas in such a way that it at least a height profile when at least regionally pressing a height profile of one or more surface structures that matches or adapts one or more surface structures in or on the surface of the substrate and / or that the at least one adhesive layer and / or the one or more additional adhesive layers have a constant layer thickness during irradiation has or have, preferably wherein the height profile of the one or more surface structures of the one or more surface structures varies in one or more directions.
  • the one or two or more flexible pressure layers are further preferably arranged at least partially between the at least one UV radiation source and the substrate and / or the at least one adhesive layer and / or the one or more further adhesive layers.
  • the curing of the at least one adhesive layer takes place by irradiating with UV radiation in or by the irradiation device and / or in the or by the one or more further irradiation devices, preferably with the UV radiation by at least one UV radiation source is generated and / or emitted, more preferably wherein the UV radiation has a wavelength or an intensity maximum in a wavelength range from 250 nm to 420 nm, preferably in a wavelength range from 380 nm to 420 nm.
  • the at least one transfer film comprising the at least one decorative layer and the at least one carrier layer or that the at least one decorative layer for UV radiation in the wavelength range from 250 nm to 420 nm, preferably in the wavelength range from 380 nm to 420 nm, a Transmissivity in a range from 5% to 95%, in particular in a range from 10% to 70%, preferably in a range from 20% to 40%, in particular wherein the UV radiation is provided by the at least one UV radiation source .
  • At least one decorative layer of the at least one decorative layer of the at least one transfer film to have at least one metallic layer, at least one dielectric layer and / or at least one colored layer, in particular at least one transparent, translucent or opaque colored layer, at least in some areas.
  • the body is a multi-layer film element and / or a multi-layer body, preferably wherein the body is in particular flexible, stretchable and / or elastic.
  • the body is provided in particular as a multilayer plate, preferably wherein the plate is preferably rigid, inelastic and / or stretchable.
  • the multilayer film element and / or the multilayer body preferably have one or more full-surface or only partially applied decorative layers, metal layers, metal oxide layers, in particular reflective layers, optically active layers, in particular optically variable layers, electrically conductive layers, colored layers, in particular colored lacquer layers, at least partially or completely translucent layers, release layers, barrier layers, adhesive layers, adhesion promoter layers and / or plastic layers.
  • the body is preferably produced as a transfer film comprising the at least one decorative layer and / or comprising the at least one carrier layer, in particular the at least one carrier layer being transferred from the at least one decorative layer is detached and the at least one decorative layer is transferred during the transfer.
  • the at least one transfer film can be pressed onto the one or more third areas of the substrate in step c) of the method by rotating the substrate in particular around an axis, preferably with the at least one transfer film being tangential to the outside Perimeter of the substrate is guided, preferably wherein the substrate and / or the at least one transfer film, preferably in each case, on one or more cylindrical rollers and / or rollers or on a circumference of one or more cylindrical rollers and / or rollers and / or rotatable cylinders and that the one or more flexible pressure layers and / or the pressure body of the pressure device along the contact line or contact surface between the substrate and the at least one transfer film, the at least one transfer film on the substrate and / or the at least one adhesive layer and / or on the one or more third Areas of the surface of the substra ts presses.
  • one or more cylindrical rollers and / or rollers of the one or more cylindrical rollers and / or rollers comprise quartz glass or preferably one or more cylindrical rollers and / or rollers of the one or more cylindrical rollers and / or rollers consist of quartz glass.
  • the pressing device is moved and / or moved in such a way that the surface surface speed of the pressing device corresponds to the surface speed and / or feed speed of the substrate, preferably with the at least one transfer film being moved and / or moved in such a way that the surface speed of the transfer film preferably corresponds to the surface speed and / or or feed speed of the substrate.
  • the pressing device has at least one cylinder rotatable about the cylinder axis or at least one flat plate.
  • the pressing device is, in particular, a cylinder that can be rotated about the cylinder axis
  • the at least one transfer film is pressed onto the substrate and / or onto the one or more third areas of the surface of the substrate, preferably in that the transfer film is in particular rotated about a Cylinder axis and the substrate is guided around the axis of rotation between cylinder and substrate.
  • the curing of the at least one adhesive layer by means of UV radiation is preferably carried out through the transparent cylinder wall from the inside of the cylinder.
  • an opaque screen or opaque mask with transparent areas is used, which preferably shield the corresponding areas of the adhesive layer from radiation.
  • the at least one transfer film is pressed onto the substrate and / or onto the one or more third areas of the surface of the substrate, preferably by the at least one transfer film preferably in the direction of the normal vector of the substrate between the pressing device and substrate is arranged and the pressing device preferably moves back and forth in the direction of the normal vector of the substrate and the at least one transfer film presses in particular onto a third area of the substrate.
  • the curing of the at least one adhesive layer by means of UV radiation is preferably carried out through the transparent pressing device.
  • an opaque screen or opaque mask with transparent areas, which preferably shields the corresponding areas of the adhesive layer from radiation .
  • the at least one transfer film is preferably pressed onto the substrate in that in particular the cylinder is guided linearly over the, preferably stationary, substrate with simultaneous rotation of the cylinder about the cylinder axis.
  • the at least one transfer film is pressed onto the substrate in that the substrate is preferably rotated around the axis of rotation and / or that the at least one transfer film is guided tangentially to the outer circumference of the substrate and / or that the pressing device is along the contact line or contact area between the substrate and the at least one transfer film presses the at least one transfer film onto the substrate.
  • one or more further work stations after the second work station for pressing on the at least one transfer film and for curing the at least one adhesive layer and / or for an additional coating of the substrate, the at least one adhesive layer and / or the at least one transfer film, in particular the at least one decorative layer, in particular with one or more further workstations of the one or more workstations, at least in some areas or over the entire area, one or more additional coatings in or on one or more first areas of the one or more first areas and / or in or on one or multiple second areas of the one or more second areas and / or in or on one or more third areas of the one or more third areas and / or in or on areas adjacent to the first, second and / or third areas or over the entire area.
  • the coating may include the application of one or more additional transparent, translucent or opaque lacquer layers.
  • the one or more further workstations before the first workstation in particular before step a) and / or before step b), and / or before step a) and / or before step b) an at least regional and / or partial or full-surface coating of the substrate, in particular by means of screen printing, flexographic printing , Inkjet printing and / or digital printing.
  • first work station for applying the adhesive the second work station for pressing on the at least one transfer film and for curing the at least one adhesive layer and / or all other work stations that may be present are arranged inline.
  • the first work station is a pad printing station, in particular wherein the UV adhesive or the at least one adhesive layer is applied to the substrate by means of a tampon.
  • the first work station is a flexographic printing station, in particular wherein the UV adhesive or the at least one adhesive layer is applied to the substrate by means of a printing plate attached to the printing forme cylinder. It is also possible that the first work station also has a screen printing station or a digital printing station, in particular an inkjet printing station.
  • the substrate is preferably a coin made of at least one metal or metal alloy with a relief embossed into the metal during the production of the coin.
  • the relief here in particular represents a motif and can, for example, have several motif areas, for example a portrait or a coat of arms in front of a background pattern. Only certain motif areas can now be partially coated with the at least one adhesive layer, in particular by means of pad printing, for example only the portrait or only the coat of arms and not the background pattern or, conversely, only the background pattern and not the portrait or the coat of arms.
  • Pad printing is particularly well suited here because the UV adhesive is used elastic tampon can, in particular, cling to the unevenness in relief and thus preferably also apply an adhesive layer in recessed relief areas.
  • the UV adhesive can in particular be applied by means of inkjet printing, preferably with the liquid droplets being able to reach and in particular cover every relief area.
  • An adaptation of the adhesive layer to the relief shape takes place in inkjet printing in particular, that is, quasi “automatically”.
  • the at least one transfer film can then be applied, in particular, to the at least one adhesive layer, preferably wherein the at least one flexible pressure layer of the at least one pressure body can in turn cling to the unevenness in relief and thereby preferably achieve a film transfer in recessed relief areas, so that the at least one decorative layer in particular there adheres to the at least one adhesive layer and preferably at the same time the at least one decorative layer follows the relief contour and further preferably at least partially the original relief contour on the outer free surface of the at least one decorative layer is still present and in particular optically effective.
  • the substrate is a wood or a veneer with a natural grain.
  • the natural grain can be provided with an artificial roughness or smoothing in particular by additional processing.
  • the relief preferably represents irregular depressions and elevations, in particular at least the so-called "tick" of the wood.
  • An adhesive layer can now preferably be partially applied, in particular by means of pad printing, for example in the form of a motif and / or pattern. Pad printing is particularly well suited here because the elastic pad provided with UV adhesive can preferably cling to the unevenness of the relief and, in particular, can apply an adhesive layer in recessed relief areas.
  • the UV adhesive can, however, preferably also be applied by means of inkjet printing, preferably with the liquid drops being able to reach and more preferably cover every relief area.
  • the at least one adhesive layer is preferably adapted to the Relief form in inkjet printing thus quasi “automatically”.
  • the at least one transfer film can then be applied, in particular, to the at least one adhesive layer, preferably wherein the at least one flexible pressure layer of the at least one pressure body can in turn cling to the unevenness in relief and preferably achieve a film transfer in recessed relief areas, so that the at least one more preferably there Decorative layer adheres to the at least one adhesive layer and in particular at the same time the at least one decorative layer follows the relief contour and particularly preferably at least partially the original relief contour is still present and optically effective on the outer free surface of the at least one decorative layer.
  • the at least one adhesive layer fills and balances the original relief shape, in particular in the case of relief shapes with very small relief depths.
  • the UV adhesive in several printing passes.
  • partially smooth, shiny or otherwise optically and / or functionally contrasting areas, preferably coated with transfer film can be produced on a rough natural wood surface.
  • the substrate is in particular a plastic molded part or a metal molded part, which was preferably produced by means of 3D printing. It is known that molded parts of this type often have a rough, unsightly surface, preferably directly after 3D printing, which furthermore preferably requires a complex post-treatment.
  • the relief represents, for example, the largely regular layer sequence of the 3D printing made of a large number of plastic layers or, for example, other regular and / or irregular process traces of the 3D printing. It can in particular partially an adhesive layer, in particular by means of pad printing, are applied, for example in the form of motifs and / or in pattern form.
  • Pad printing is particularly well suited here because the elastic tampon provided with UV adhesive can preferably cling to the unevenness in the relief and, more preferably, can also apply an adhesive layer in recessed relief areas.
  • the UV adhesive can, however, in particular be applied by means of inkjet printing, preferably with the liquid drops being able to reach and more preferably cover every relief area.
  • An adaptation of the adhesive layer to the relief shape takes place in the case of inkjet printing, that is, quasi “automatically”. It is also possible that the adhesive layer is applied in such a large layer thickness that the relief is in particular evened out and preferably filled, so that there is further preferably a largely smooth outer free surface of the adhesive layer. For this, it can be particularly useful to apply the UV adhesive preferably in several printing passes.
  • the adhesive layer is at least approximately as thick as the relief depth.
  • the at least one transfer film can then be applied, in particular, to the adhesive layer, preferably the at least one transfer film being applied to the largely smooth adhesive layer and, in particular, then the decorative layer on its outer free surface likewise being largely smooth and particularly preferably flat.
  • the molded part can in particular be decorated and, preferably, at the same time, costly post-processing of the surface of the molded part becomes unnecessary.
  • one or more steps a, b, c of the method are an inline process or part of an inline process.
  • the individual process steps are preferably carried out directly one after the other in such a way that in particular no temporary or local intermediate storage of the substrate is carried out.
  • the different work stations are combined in a common device and the substrate is preferably transported on from one work station to a subsequent work station.
  • the process steps are preferably carried out in an offline process, decoupled from one another and preferably with temporary and local intermediate storage of the substrate.
  • the Figure 2 shows a substrate 10 which has a surface structure 11, the substrate 10 being provided in particular in step a of the method.
  • the surface 10a of the substrate 10 has the Surface structure 11 over the entire area, preferably the height profile of surface structure 11 having a sinusoidal or cosinusoidal height profile.
  • the maximum relief depth of the surface structure 11 is in the Figure 2 marked with h 1 and the width of the relief depressions of the surface structure 11 is in the Figure 2 marked with b 1 , in particular the width b 1 of the relief depressions being determined at half the maximum relief depth h 1 .
  • the Figure 3 shows a substrate 10 which has a surface structure 11, the substrate 10 being provided in particular in step a of the method.
  • the surface 10a of the top of the substrate 10 has the surface structure 11 over the entire area, preferably the height profile of the surface structure 11 having a height profile consisting of the repeating sequence "low plateau - rising flank - high plateau - falling flank".
  • the surface 10b of the underside of the substrate 10 has no surface structure or no surface structures.
  • the maximum relief depth of the surface structure 11 is in the Figure 3 marked with h 1 and the width of the relief depressions of the surface structure 11 is in the Figure 3 marked with b 1 , in particular the width b 1 of the relief depressions being determined at half the maximum relief depth h 1 .
  • the Figure 4 shows a substrate 10 which has a surface structure 11, the substrate 10 being provided in particular in step a of the method.
  • the surface 10a of the substrate 10 has the surface structure 11 completely or in a first region 100, preferably wherein the height profile and / or the depth-to-width ratio of the surface structure 10a varies pseudo-randomly or randomly over the surface 10a.
  • Random or pseudo-random variation is understood here in particular to mean that the one or more surface structures along at least have random or pseudo-random heights and / or depths in a direction perpendicular to the plane spanned by the substrate.
  • the substrate 10 in steps a, b and / or c is designed as a three-dimensional object and / or as a film and / or has a web-like or band-like shape, in particular wherein a first spatial extension of the substrate 10 is parallel to a first direction R1 in the form of a film and / or in the case of a web or band shape is greater than a second spatial extension of the substrate 10 parallel to a second direction R2, preferably wherein the first direction R1 is arranged perpendicular to the second direction R2 .
  • the substrate is an endless belt or comprises a sequence of one or more sheets or "sheets".
  • the substrate is preferably a coin, preferably a coin comprising metal and / or at least one metal layer, with at least one surface of the coin having a surface structure which, for example, is designed as an engraving, the engraving representing a motif and / or a portrait.
  • the substrate provided in step a is preferably provided as rolled goods or as sheet goods.
  • the substrate is provided as roll goods. It is also possible, however, for the substrate to be provided as one or more sheets, with the one or more sheets preferably being flat.
  • the substrate provided in step a may have one or more plastics, papers and / or metals and / or metal oxides.
  • the substrate has in particular one or more of the metals selected from: chromium, aluminum, gold, copper, tin, indium, silver and / or an alloy of one or more of the above metals. It is also possible for the substrate provided in step a to have one or more layers. In particular, these layers have the same or different materials and / or the same or different optical properties. It is also possible that the substrate provided in step a has one or more position markings.
  • the substrate 10 in steps a, b and / or c consists of one or more materials of the following materials or comprises one or more materials of the following materials: plastic film, in particular a PET film, PMMA, PC, PEC, ABS, ABS-PC, PE, PS, PVC, polyamides, PAN, SAN, SBS, PSU, PES, PEEK, PP and / or PET-G, paper, paper composite materials, glass fiber, carbon fiber, metal, metal alloys, wood, Concrete, stone.
  • plastic film in particular a PET film, PMMA, PC, PEC, ABS, ABS-PC, PE, PS, PVC, polyamides, PAN, SAN, SBS, PSU, PES, PEEK, PP and / or PET-G, paper, paper composite materials, glass fiber, carbon fiber, metal, metal alloys, wood, Concrete, stone.
  • At least one surface structure of the one or more surface structures 11 in the one or more first regions of the surface 10a of the substrate 10 in step a of the method preferably has a relief depth and / or a relief height of less than or equal to 1 mm, in particular less than or equal to 0 , 75 mm, preferably less than or equal to 0.5 mm, more preferably from a range from 0.02 mm to 0.3 mm, on and / or a depth-to-width ratio, in particular an average depth-to-width Width ratio, between 0.05 and 10, in particular between 0.1 and 5, on.
  • the depth, in particular the maximum depth, of the surface structure 11 of the substrate 10 is denoted by h 1 .
  • the depth h 1 is preferably the distance between the maximum elevation and the minimum depression of the surface structure, preferably the distance being aligned parallel to a normal vector, which in particular is perpendicular to the by the substrate 10 and / or by the two largest extensions of the substrate 10 plane.
  • one or more surface structures of the one or more surface structures 11 in the one or more first regions of the surface 10a of the substrate 10 in step a of the method are formed as one or more surface reliefs, in particular one or more surface reliefs being the one or several surface reliefs have a depth-to-width ratio, in particular a mean depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5, and / or are designed as engravings and / or a or comprise several of the following design elements: alphanumeric characters, characters, symbols, microscripts, images, photos, logos, portraits, pictograms, patterns, in particular endless patterns, and / or motifs.
  • the Figure 5 shows that in the Figure 4 The substrate 10 shown, except that the surface 10a of the substrate 10 has an adhesive layer 20 over the entire area or in an area 200, which is applied to the surface 10a of the substrate 10 in particular in step b of the method. More preferably, the first area 100 including the surface structure 10a and the second area 200 including the adhesive layer 20 completely overlap.
  • the adhesive layer 20 has a largely constant layer thickness h 2 , in particular a constant layer thickness h 2 , over the entire area 100 of the surface 10 a of the substrate 10.
  • step b one or more second areas of the one or more second areas 200 of the surface 10a of the substrate 10, to which the at least one adhesive layer 20 is applied and / or which comprise the at least one adhesive layer 20, overlap one or more first areas the one or more first regions 100 of the surface 10a of the substrate 10 comprising the one or more surface structures 11 partially or completely.
  • one or more third regions of the one or more third regions 300 of the surface 10a of the substrate 10 comprising the at least one transfer film 30 and / or the surface facing away from the substrate 10 of the at least one adhesive layer 20 comprising the at least one transfer film preferably overlap 30 one or more first regions of the one or more first regions 100 of the surface 10a of the substrate 10 comprising the one or more surface structures 11 partially or completely overlap and / or one or more second regions of the one or more second regions of the surface 10a of the substrate 10 comprising the at least one adhesive layer 20 partially or completely.
  • the at least one adhesive layer 20 is preferably applied in step b of the method by means of inkjet printing, pad printing, in particular with a pad hardness between 5 Shore A and 20 Shore A, screen printing, flexographic printing and / or digital printing on the one or more second areas 200 of the surface 10a of the substrate 10 is applied.
  • the at least one adhesive layer 20 in steps b and c of the method is designed as a UV adhesive, in particular wherein the curing of the at least one adhesive layer 20 takes place by irradiation with UV radiation, preferably with the UV radiation by at least one UV radiation source 51b is generated, further preferably wherein the UV radiation has a wavelength or an intensity maximum in a wavelength range from 250 nm to 420 nm, preferably in the wavelength range from 380 nm to 420 nm.
  • the at least one adhesive layer 20 when applied to the one or more second regions 200 of the surface 10a of the substrate 10 in step b of the method, has a viscosity which is between 200 mPas and 2000 mPas, in particular between 500 mPas ⁇ S and 1500 mPa ⁇ s, preferably between 800 mPa ⁇ s and 1200 mPa ⁇ s.
  • the adhesive layer is distributed when it is pressed on in step c of the method, preferably runs and / or is distributed over the elevations and / or depressions of the surface structure 10a in such a way that an adhesive layer 20 is formed, which is preferably a has constant layer thickness.
  • the Figure 6 shows that in the Figure 5 The substrate 10 shown and the adhesive layer 20, except that a transfer film 30, in particular comprising at least one decorative layer and / or at least one carrier layer, is pressed onto the surface of the adhesive layer 20 facing away from the substrate 10.
  • the transfer film 30 is preferably pressed on in step c of the method, in particular by means of a pressing device 50a comprising a pressing body 51a.
  • the area 100 comprising the surface structures 11 in or on the surface 10a of the substrate 10 provided in step a of the method, the area 200 comprising the adhesive layer 20 applied to the surface 10a of the substrate 10 in step b of the method and an area 300, in which the transfer film 30 is preferably pressed onto the surface 10a of the substrate 10 and / or onto the surface of the adhesive layer 20 facing away from the substrate 10 in step c of the method, correspond in particular to one another, preferably as in FIG Figure 6 shown.
  • the pressing body 51a preferably has one or more pressing layers 52a.
  • the pressure or the force per area is preferably conveyed via the one or more pressure layers 52a of the pressure body 51a, in particular the substrate 10 and / or the surface facing the adhesive layer 20 or surfaces of the one or more several pressure layers 52a are in direct contact with the transfer film 30.
  • the transfer film 30, in particular the surface of the transfer film 30 facing the substrate 10 is preferably in direct contact with the adhesive layer 20, in particular with the surface of the adhesive layer 20 facing away from the substrate 10, and / or with the pressing in step c of the method Substrate 10, in particular the surface 10a of the substrate 10.
  • the layer thickness of the Figure 6 The adhesive layer 20 shown varies in particular along at least one direction R3.
  • step c of the method takes place simultaneously with the curing of the adhesive layer 20 by irradiating the adhesive layer 20 with UV radiation, which is preferably carried out by one or more irradiation devices 50b comprising one or more UV radiation sources 51b.
  • the pressing of the at least one transfer film 30 in step c is conveyed via at least one pressing body 51a, in particular wherein the at least one pressing body 51a comprises one or more flexible pressing layers 52a, preferably wherein the one or more flexible pressing layers 52a at least for one or more wavelengths of the UV radiation and / or in one or more wavelength ranges of the UV radiation is translucent or transparent, preferably with the one or more flexible pressure layers 52a at least partially between the at least one UV radiation source, which the UV radiation is preferably emitted, and the substrate and / or the at least one adhesive layer 20 are arranged.
  • the at least one pressing body 51a comprises one or more flexible pressing layers 52a, preferably wherein the one or more flexible pressing layers 52a at least for one or more wavelengths of the UV radiation and / or in one or more wavelength ranges of the UV radiation is translucent or transparent, preferably with the one or more flexible pressure layers 52a at least partially between the at least one UV radiation source, which the UV radiation is preferably emitted, and the substrate and / or
  • the at least one pressure body 51a comprises two or more flexible pressure layers 52a, in particular wherein the two or more pressure layers are arranged or formed in a sequence, in particular as a multilayer structure, that the degrees of hardness of the two or more pressure layers along one from the plane of the substrate 10 and / or the at least one adhesive layer 20 spanned normal vector, in particular starting from the pressure layer of the two or more pressure layers closest to the substrate and / or the at least one adhesive layer 20, vary from pressure layer to pressure layer, in particular increase.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a to be transparent or translucent in a wavelength range from 250 nm to 420 nm, in particular in a range from 380 nm to 420 nm has a transmissivity in a range from 30% to 100%, particularly preferably in a range from 40% to 100%, and / or layer thicknesses in a range from 1 mm to 20 mm, in particular from 2 mm to 15 mm, preferably from 3 mm to 10 mm and / or layer thicknesses of less than or equal to 0.75 mm, in particular of less than or equal to 0.5 mm, preferably of less than or equal to 0.25 mm.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a is flat and / or curved and / or three-dimensional, in particular at least partially arched and / or curved and / or has at least partially a structured and / or textured surface.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a comprises silicone or consists of silicone, in particular the silicone having a hardness or a degree of hardness in a range from 5 ° Shore A to 90 ° Shore A, in particular from 10 ° Shore A to 75 ° Shore A, preferably from 20 ° Shore A to 50 ° Shore A.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a in particular comprising silicone or consisting of silicone, has a surface facing the substrate and / or the at least one adhesive layer 20, which in particular is flat and / or cambered is trained.
  • At least one surface facing the substrate 10 and / or one of the at least one adhesive layer 20 of at least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a in step c of the method has a height profile at least in some areas, which corresponds to or follows a height profile of at least one surface structure of the one or more surface structures 11, in particular wherein the height profile varies in one or more directions.
  • At least one surface facing the substrate and / or the at least one adhesive layer 20 of at least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a in step c of the method has an at least regionally planar or structured height profile, in particular where the at least regionally flat or structured height profile when pressing in step c matches or adapts to a height profile of one or more surface structures 11 of the one or more surface structures 11 in or on the surface 10a of the substrate 10 in such a way that the at least one adhesive layer 20 after pressing has a constant layer thickness in step c and / or after hardening in step c, preferably wherein the at least regionally planar or structured height profile of the one or more surface structures 11 of the one or more surface structures 11 in or on the surface 10a of the substrate 10 varies in one or more directions.
  • the Figure 7 shows that in the Figure 6 shown substrate 10, the adhesive layer 20 and the transfer film 30 after pressing and curing or after step c of the method, in particular wherein the substrate 10, the adhesive layer 20 and the transfer film 30 form one body.
  • the adhesive layer 20 is partially or completely cured in step c of the method, in particular when the transfer film 30 is pressed onto the substrate 10 and / or the adhesive layer 20, preferably cured simultaneously and / or by means of UV radiation.
  • the adhesive layer 20 preferably has a constant layer thickness h 2 over the entire surface 10a of the substrate 10, so that the surface structure in the surface of the transfer film 30 facing away from the substrate of the surface structure 11 in the surface 10a of the substrate 10 due to the constant layer thickness h 2 preferably corresponds to the adhesive layer 20.
  • FIG. 7 shows the Figure 7 that the area 100 comprising the surface structures 11 in or on the surface 10a of the substrate 10 provided in step a of the method, the area 200 comprising the adhesive layer 20 applied to the surface 10a of the substrate 10 in step b of the method and a region 300, in which the transfer film 30 is preferably pressed and cured in step c of the method onto the surface 10a of the substrate 10 and / or onto the surface of the adhesive layer 20 facing away from the substrate 10, in particular corresponding to one another.
  • the layer thickness of the Figure 7 The adhesive layer 20 shown varies in particular along at least one direction R4.
  • the layer thickness h 2 preferably extends, for example in FIG Figure 5 shown, preferably after step b of the method and / or after step c of the method, particularly preferably after the at least partial and / or regional hardening of the at least one adhesive layer 20 at at least one point on the surface 10a of the substrate 10 along the direction of a Normal vector extends at this point and / or preferably wherein the layer thickness h 2 extends at at least one point of the surface 10a of the substrate 10 along a direction of a curvature vector at this point.
  • the at least one adhesive layer 20, preferably after step b of the method and / or after step c of the method, has a layer thickness h 2 between 3 ⁇ m and 30 ⁇ m, in particular between 2 ⁇ m and 20 ⁇ m, preferably between 1 ⁇ m and 10 ⁇ m, on.
  • the at least one adhesive layer 20 which is applied to the one or more second regions of the surface 10a of the substrate 10 in step b of the method, preferably after step b of the method and / or after step c of the method , a constant layer thickness h 2, or at most 10%, in particular at most 20%, varying layer thickness h 2 has, in particular in the one or more first regions of the surface 10a of the substrate 10 comprising the one or more surface structures 11 a constant layer thickness h 2 or a layer thickness h 2 varying by a maximum of 10%, in particular by a maximum of 20%, preferably with partial or complete overlapping one or more second areas of the one or more second areas 200 of the surface 10a of the substrate 10 comprising the at least one adhesive layer 20 with one or more first regions of the one or more first regions 100 of the surface 10a of the substrate 10 comprising one or more surface structures 11 having a constant layer thickness h 2 or a layer thickness h 2 varying by a maximum of 10%, in particular by a maximum of 20%.
  • the at least one adhesive layer which is applied to the one or more second regions of the surface 10a of the substrate 10 in step b of the method preferably after step b of the method and / or after step c of the method , in a first group of one or more first and / or second regions the one or more first or second regions 100, 200 has a first layer thickness and in a second group of one or more first and / or second regions the one or more first or second areas 100, 200 has a second layer thickness, in particular wherein the first layer thickness and the second layer thickness differ from one another, preferably wherein the first layer thickness and / or the second layer thickness is constant and / or the first and the second layer thickness differ by less than 10%, in particular differ from each other by less than 20%.
  • the at least one adhesive layer 20 is at least partially cured in step c of the method, in particular wherein the at least one carrier layer 32 of the at least one transfer film 30 is peeled off after the at least partial curing of the at least one adhesive layer 20 and the substrate 10 and / or the at least one adhesive layer 20 is then, in particular in a further step, repeatedly cured once or several times, in particular irradiated with UV radiation.
  • Partial hardening of the adhesive layer 20 can be advantageous in that a partially hardened adhesive layer 20 can be deformed and / or reshaped in one or more further steps and / or intermediate steps.
  • step c of the method the at least one transfer film 30 comprising at least one decorative layer 31 and at least one carrier layer 32 or that the at least one decorative layer 31 for UV radiation in the wavelength range from 250 nm to 420 nm, preferably in one Wavelength range from 380 nm to 420 nm, a transmissivity in a range from 5% to 95%, in particular in a wavelength range from 10% to 70%, preferably in a range from 20% to 40%, in particular wherein the UV radiation is provided by the at least one UV radiation source 51b.
  • step c of the method at least one decorative layer of the at least one decorative layer 31 of the at least one transfer film 30 at least regionally at least one metallic layer, at least one dielectric layer and / or at least one color layer, in particular at least one transparent, translucent or opaque color layer.
  • At least one decorative layer of the at least one decorative layer 31 of the at least one transfer film 30 is formed by a replication lacquer layer with a surface relief molded into the replication lacquer layer, in particular wherein the surface relief molded into the replication lacquer layer is at least partially formed by an optically active surface structure , selected from: Diffractive surface structure, in particular hologram, zero order diffraction structures, matt structure, in particular isotropic or anisotropic matt structure, blaze grating, lens structure, microlens structure, microprism structure, micromirror structure, and / or a combination of two or more of these optically active surface structures.
  • an optically active surface structure selected from: Diffractive surface structure, in particular hologram, zero order diffraction structures, matt structure, in particular isotropic or anisotropic matt structure, blaze grating, lens structure, microlens structure, microprism structure, micromirror structure, and / or a combination of two or more of these optically
  • At least one decorative layer of the at least one decorative layer 31 of the at least one transfer film 30 is further preferred in step c of the method with a register accuracy of ⁇ 1 mm, in particular of ⁇ 0.5 mm, preferably of less than or equal to +0.3 mm and / or greater than or equal to -0.3 mm, applied to the substrate and / or to the at least one adhesive layer 20 when the at least one transfer film 30 is pressed on, preferably to one or more first areas 100 of the one or more first areas 100 of the surface 10a of the Substrate 10 comprising the one or more surface structures 11 and / or applied to one or more second regions of the one or more second regions 200 of the surface 10a of the substrate 10 comprising the at least one adhesive layer 20.
  • the Figure 4a shows that in the Figure 4 The substrate 10 shown, which has a surface structure 11, the substrate 10 being provided in particular in step a of the method.
  • the surface 10a of the substrate 10 has the surface structure 11 over the entire area, preferably where the Height profile and / or the depth-to-width ratio of the surface structure 10a varies pseudo-randomly or randomly over the surface 10a.
  • the Figure 5a shows that in the Figure 4a The substrate 10 shown, the surface 10a of the substrate 10 having an adhesive layer 20 over the entire surface, which is applied to the surface 10a of the substrate 10, in particular in one or more passages, in particular in step b of the method. More preferably, the surface structure 10a of the substrate 10 and the adhesive layer 20 completely overlap. In particular, the adhesive layer 20 has a varying layer thickness h 2 over the entire surface 10a of the substrate 10.
  • the Figure 6a shows that in the Figure 5a
  • the transfer film 30 is preferably pressed on in step c of the method, in particular by means of a pressing device 50a comprising a pressing body 51a, in particular wherein the pressing body 51a has one or more flexible pressing layers 52a.
  • the adhesive layer 20 preferably has a varying layer thickness h 2 over the entire surface 10a of the substrate 10.
  • the Figure 7a shows that in the Figure 6a The substrate 10 shown, the adhesive layer 20 and the transfer film 30 after pressing and curing or after step c of the method, in particular wherein the substrate 10, the adhesive layer 20 and the transfer film 30 form one body.
  • the adhesive layer 20 is partially or completely cured in step c of the method, in particular when the transfer film 30 is pressed onto the substrate 10 and / or the adhesive layer 20, preferably cured simultaneously and / or by means of UV radiation.
  • the adhesive layer 20 preferably has a varying layer thickness h 2 over the entire surface 10a of the substrate 10, so that the surface structure in the surface facing away from the substrate
  • the transfer film 30 of the surface structure 11 in the surface 10a of the substrate 10 is preferably similar, but does not correspond to this in particular because of the varying layer thickness h 2 of the adhesive layer 20.
  • the Figure 8 shows a second work station 5 of a device comprising a pressing device 50a and an irradiation device 50b.
  • the pressing device 50a is in particular movably arranged and / or movably mounted parallel to a direction R5.
  • the pressing device 50a shown has a pressing body 51a, in particular wherein the pressing body 51a comprises a pressing layer 52a and a UV-transparent or UV-translucent protective layer 53a, in particular wherein the protective layer 53a is a glass layer.
  • the irradiation device 50b shown has a UV radiation source 51b and a power supply S, which preferably emits and / or radiates and / or generates UV radiation from one or more wavelength ranges and / or energy ranges of the ultraviolet and / or electromagnetic spectrum.
  • the pressing device 50a and / or the irradiation device 50b and / or the second work station 5 are parallel to one in the Figure 8 direction R5 shown movable and / or displaceable.
  • FIG. 8 a multilayer body which, starting from the pressure layer 52a, has the following sequence of layers: transfer film 30, in particular comprising at least one decorative film and / or at least one carrier layer, an adhesive layer 20, which is formed in particular in three areas 200, a substrate 10, the in the Figure 8
  • the substrate 10 shown has in particular no surface structures.
  • the transfer film 30 is preferably pressed by the pressing device 50a by means of the pressing body 51a comprising the pressing layer 52a onto the substrate 10 and / or the adhesive layer 20, in particular in the areas 200, preferably with the adhesive layer 20, in particular in the areas 200 , Adhesive layer 20 is irradiated by UV radiation from the UV radiation source 51b contained in the irradiation device 50b, as a result of which the adhesive layer 20 hardens in particular at least in some areas and / or at least partially.
  • the flexible pressing layer 52a, the pressing body 51a, the transfer film 30 and / or the adhesive layer 20 is permeable to UV radiation, preferably to UV radiation emitted by the UV radiation source 51b, at least in some areas, preferably partially or completely.
  • the device which in particular in the Figure 8
  • the second work station 5 shown is preferably suitable for decorating cold embossing and / or preferably for producing a body and / or preferably for performing the above method, preferably wherein the device comprises a first work station 4 comprising a printing device 40 for at least regionally applying at least one adhesive layer 20 on a surface 10a of the substrate 10, the surface 10a of the substrate 10 having at least regionally one or more surface structures 11, and the device having a second work station 5 comprising a pressing device 50a for at least regionally pressing at least one transfer film 30 comprising at least one decorative layer 31 and at least one carrier layer 32 on the surface 10a of the substrate 10 and / or a surface facing away from the substrate 10 and having at least one adhesive layer 20 and an irradiation device 50b for at least regionally and / or at least partially harden the at least one adhesive layer, the second work station 5 being designed such that the at least The at least one transfer film 30 is pressed in regions and the at least one adhesive layer 20 is hardened
  • the Figure 9 shows a second work station 5 of a device, in particular the above device, in particular wherein the second work station 5 comprises a pressing device 50a and an irradiation device 51a.
  • the section A2 of the Figure 9 is an enlarged illustration of the section A1 of Figure 9 .
  • the pressing device 50a shown comprises a pressing body 51a, preferably the pressing body 51a having one or more flexible pressing layers 52a.
  • the irradiation device 50b shown is a UV radiation source 51b, in particular wherein the UV radiation source 51b generates and / or generates UV radiation 52b and radiates and / or emits it in the direction of the adhesive layer 20.
  • the substrate 10 shown has surface structures 11 in a region 100 in or on the surface 10a of the substrate 10.
  • the ones in the Figure 9 The adhesive layer 20 shown is in a region 200 on the surface 10a of the in FIG Figure 9 shown substrate placed and / or applied and / or applied.
  • the transfer film 30 shown is placed and / or applied and / or applied in a region 300, which in particular corresponds to the region 200, on the surface of the adhesive layer 20 facing away from the substrate 10.
  • the transfer film 30 preferably from the pressing device 50a by means of the pressing body 51a comprising the flexible pressing layers 52a on the substrate 10 and / or, in particular in the Adhesive layer 20 present in the area 200, preferably wherein the adhesive layer 20 is irradiated by UV radiation from the UV radiation source 51b contained in the irradiation device 50b, whereby the adhesive layer 20 in particular at least regionally and / or at least partially and / or in the area 100 hardens.
  • the flexible pressure layers 52a, the pressure body 51a, the transfer film 30 and / or the adhesive layer 20 are transparent to UV radiation, preferably to UV radiation emitted by the UV radiation source 51b, at least in some areas, preferably partially or completely.
  • the substrate 10 is designed as a three-dimensional object and / or film and / or has a web-like or band-like shape, in particular wherein a first spatial extension of the substrate 10 is parallel to a first direction R1 when designed as a film and / or a web-like or band-like shape is greater than a second spatial extension of the substrate 10 parallel to a second direction R2, preferably wherein the first direction R1 is in particular arranged perpendicular to the second direction R2.
  • one or more first areas 100 of the surface 10a of the substrate 10 include the one or more surface structures 11 and one or more second areas of the surface 10a of the substrate 10 include the at least one adhesive layer 20, one or more first Areas of the one or more first areas 100 in particular partially or completely overlap one or more second areas of the one or more second areas 200.
  • one or more third regions 300 of the surface 10a of the substrate 10 and / or the surface of the at least one adhesive layer 20 facing away from the substrate 10 to have the at least one transfer film 30, one or more third regions of the one or more a plurality of third regions 300, in particular one or more first regions of the one or more first regions 100 of the surface 10a of the substrate 10 comprising the one or more surface structures 11 partially or completely overlapping and / or one or more second regions of the one or more second regions 200 the surface 10a of the substrate 10 comprising the at least one adhesive layer 20 partially overlap and / or completely overlap.
  • At least one surface structure of the one or more surface structures 11 in the one or more first regions 100 of the surface 10a of the substrate 10 has a relief depth and / or a relief height of less than or equal to 1 mm, in particular less than or equal to 0.75 mm, preferably less than or equal to 0.5 mm, more preferably from a range from 0.02 mm to 0.3 mm, on and / or a depth-to-width ratio, in particular an average depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5, on.
  • At least one surface structure of the one or more surface structures 11 in the one or more first regions 100 of the surface 10a of the substrate 10 is shaped as one or more surface reliefs, in particular wherein one or more surface reliefs of the one or more surface reliefs have a depth-to-width ratio.
  • a ratio in particular an average depth-to-width ratio, between 0.05 and 10, in particular between 0.1 and 5, and / or are designed as engravings and / or include one or more of the following design elements: Alphanumeric characters, Letters, symbols, micro-fonts, images, photos, logos, portraits, pictograms, patterns, in particular endless patterns, and / or motifs.
  • the first workstation 4 prefferably has one or more further printing devices, in particular for at least regionally applying one or more further adhesive layers to the surface 10a of the Substrate 10 and / or on at least one surface of the at least one adhesive layer 20 facing away from the substrate 10.
  • the at least one adhesive layer 20 applied by the printing device 40 and / or the further printing devices at least in areas to the surface 10a of the substrate 10 has a viscosity between 200 mPas and 2000 mPas, in particular between 500 mPas. s and 1500 mPa ⁇ s, preferably between 800 mPa ⁇ s and 1200 mPa ⁇ s.
  • the at least one adhesive layer 20 and / or the one or more further adhesive layers is applied at least regionally by the printing device 40 and / or the further printing devices to the surface 10a of the substrate 10 in such a way that the at least one adhesive layer 20 and / or the one or more further adhesive layers, in particular each, have a constant layer thickness or a layer thickness varying by a maximum of 10%, in particular by a maximum of 20%, in particular with partial or complete overlapping of one or more areas of the surface 10a of the substrate 10 comprising the at least one adhesive layer 20 and / or the one or more further adhesive layers with one or more areas of the surface 10a of the substrate 10 comprising the one or more surface structures 11, in particular in each case, a constant layer thickness or by a maximum of 10%, in particular by a maximum of 20% , varying layer thickness up e is, preferably wherein the at least one adhesive layer 20 and / or the one or more further adhesive layers, in particular each, has a layer thickness between 3 ⁇ m and 30 ⁇ m
  • the at least one adhesive layer 20 and / or the one or more further adhesive layers are preferably at least regionally separated from the Printing device 40 and / or the further printing devices on the Surface 10a of the substrate 10 applied that the at least one Adhesive layer 20 and / or the one or more further adhesive layers in or on one or more areas of the surface 10a of the substrate 10 in a first group of one or more areas of the one or more areas having a first layer thickness and in a second group of one or more areas several areas of the one or more areas has a second layer thickness, in particular wherein the first layer thickness and the second layer thickness differ from one another, preferably wherein the first layer thickness and / or the second layer thickness is constant and / or the first and second layer thickness are around differ less than 10%, in particular by less than 20%, from one another, preferably the first layer thickness and / or the second layer thickness from a range from 3 ⁇ m to 30 ⁇ m, in particular from 2 ⁇ m to 20 ⁇ m, preferably from 1 ⁇ m to 10 ⁇ m
  • the at least one adhesive layer 20 and / or the one or more additional adhesive layers applied at least in regions to the surface 10a of the substrate 10 by the printing device 40 and / or the further printing devices is designed as a UV adhesive.
  • the second work station 5 prefferably has one or more further pressing devices, in particular for at least regionally pressing the at least one transfer film 30 and / or one or more further transfer films on the surface of the at least one adhesive layer 20 and / or the substrate 10 facing away from the substrate Surface 10a of the substrate 10, and / or that the second work station 5 has one or more further irradiation devices, in particular for at least regionally irradiating the at least one adhesive layer 20 applied at least regionally on the surface 10a of the substrate 10 and / or one or more additional ones has adhesive layers 20 applied at least in regions on the surface 10a of the substrate 10 and / or on at least one further surface of the at least one adhesive layer 20 applied at least in regions on the surface 10a of the substrate 10.
  • the pressing device 50a and / or the one or more further pressing devices in particular each, to have at least one pressing body 51a, in particular wherein the at least one pressing body 51a comprises one or more flexible pressing layers 52a, preferably the one or more flexible Pressure layers 52a are translucent or transparent at least for one or more wavelengths of UV radiation and / or in one or more wavelength ranges of UV radiation.
  • the at least one pressure body 51a comprises two or more flexible pressure layers 52a, in particular the two or more flexible pressure layers 52a being arranged or formed in a sequence, in particular as a multilayer structure, such that the degrees of hardness or hardness of the two or a plurality of flexible pressure layers 52a along a normal vector spanned by the plane of the substrate 10 and / or the at least one adhesive layer 20, starting from a pressure layer of the two or more pressure layers 52a closest to the substrate 10 and / or the at least one adhesive layer 20, vary from pressure layer to pressure layer, especially increase.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a is preferably flat, curved and / or three-dimensional, in particular at least partially arched and / or curved, and / or has at least partially a structured and / or textured one Surface on.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a comprises silicone or consists of silicone, in particular the silicone having a hardness or a degree of hardness in a range from 5 ° Shore A to 90 ° Shore A, in particular from 10 ° Shore A to 75 ° Shore A, preferably from 20 ° Shore A to 50 ° Shore A.
  • At least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a in particular comprising silicone or consisting of silicone, has a surface facing the substrate and / or the at least one adhesive layer 20, which surface is in particular flat and / or are cambered.
  • At least one surface of at least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a to have a height profile, at least in some areas, which is deformed when pressure is applied at least in some areas such that this height profile corresponds to one or more surface structures which corresponds to or follows one or more surface structures 11 in or on the surface 10a of the substrate 10, in particular wherein the height profiles vary in one or more directions.
  • At least one surface of at least one flexible pressure layer of the one or two or more pressure layers 52a of the at least one pressure body 51a to have a height profile at least in some areas, in particular a height profile that is structured or planar in some areas, which is deformed when pressed at least in certain areas in such a way that, when pressed in at least in certain areas, this height profile matches or adapts to a height profile of one or more surface structures of the one or more surface structures 11 in or on surface 10a of substrate 10 and / or that the at least one adhesive layer 20 and / or the one or more further adhesive layers have a constant layer thickness on irradiation, preferably wherein the height profile of the one or more surface structures of the one or more surface structures 11 varies in one or more directions.
  • the one or two or more flexible pressure layers 52a of the at least one pressure body 51a are at least partially arranged between the at least one UV radiation source 51b and the substrate 10 and / or the at least one adhesive layer 20 and / or the one or more additional adhesive layers.
  • the curing of the at least one adhesive layer 20 takes place by irradiation with UV radiation in or by the irradiation device 50b and / or in the or by the one or more further irradiation devices, preferably with the UV radiation by at least one UV Radiation source 51b is generated and / or emitted, more preferably wherein the UV radiation has a wavelength or an intensity maximum in a wavelength range from 250 nm to 420 nm, preferably in a wavelength range from 380 nm to 420 nm.
  • the at least one transfer film 30 comprising the at least one decorative layer 31 and the at least one carrier layer 32 or that the at least one decorative layer 31 for UV radiation in the wavelength range from 250 nm to 420 nm, preferably in the wavelength range from 380 nm to 420 nm, a Transmissivity in a range from 5% to 95%, in particular in a range from 10% to 70%, preferably in a range from 20% to 40%, in particular wherein the UV radiation is provided by the at least one UV radiation source 51b.
  • At least one decorative layer of the at least one decorative layer 31 of the at least one transfer film 30 may have at least one metallic layer, at least one dielectric layer and / or at least one colored layer, in particular at least one transparent, translucent or opaque colored layer, at least in some areas.
  • the Figure 10 shows a second work station 5 of a device, in particular the above device, in particular wherein the second work station 5 comprises a pressing device 50a and an irradiation device 51a.
  • the pressing device 50a shown comprises a pressing body 51a, preferably the pressing body 51a having one or more flexible pressing layers 52a.
  • the irradiation device 50b shown is a UV radiation source 51b, in particular wherein the UV radiation source 51b generates and / or generates UV radiation and radiates and / or emits it in the direction of the adhesive layer 20.
  • the substrate 10 shown has surface structures 11 in two areas 100 in or on the surface 10a of the substrate 10 and has no surface structures in three areas 101 in or on the surface 10a of the substrate 10.
  • the ones in the Figure 10 The adhesive layer 20 shown is in a region 200 all over the surface 10a of the in FIG Figure 10 substrate 10 shown placed and / or applied and / or applied.
  • the transfer film 30 shown in an area 300 which in particular overlaps the two areas 100 and at least partially the three areas 101, is placed on the surface of the adhesive layer 20 facing away from the substrate 10 and / or applied and / or applied.
  • the Indian Figure 10 Area 200 shown overlaps that in FIG Figure 10 area 300 shown completely.
  • the transfer film 30 is preferably pressed by the pressing device 50a by means of the pressing body 51a comprising the flexible pressing layers 52a to the substrate 10 and / or the adhesive layer 20, in particular in the area 300, preferably with the adhesive layer 20 from UV radiation is irradiated from the UV radiation source 51b contained in the irradiation device 50b, as a result of which the adhesive layer 20 hardens in particular at least in some areas and / or at least partially and / or in the area 300.
  • the flexible pressure layers 52a, the pressure body 51a, the transfer film 30 and / or the adhesive layer 20 are transparent to UV radiation, preferably to UV radiation emitted by the UV radiation source 51b, at least in some areas, preferably partially or completely.
  • Figure 11 shows a body 1 comprising at least one substrate, at least one adhesive layer and at least one transfer film, preferably comprising at least one decorative layer, and / or at least one decorative layer.
  • the body 1 preferably no longer has the at least one carrier layer, since this is removed and / or peeled off in particular after step c of the method, preferably for producing such a body 1.
  • the in the Figure 11 The body 1 shown has a surface structure 11 in two areas 100 and the body 1 has no surface structure 11 in three areas 101.
  • the Figure 11 The body 1 shown has at least one adhesive layer of the at least one adhesive layer in the region 200, preferably with this at least one adhesive layer being arranged between the at least one substrate and the at least one decorative layer and / or the at least one decorative layer.
  • the Figure 11 The body 1 shown preferably has the at least one decorative layer in a region 300.
  • area 200 corresponds to area 300 in FIG Figure 11 , preferably with areas 200 and 300 corresponding to areas 100 and 101 in the Figure 11 correspond.
  • the body 1 is produced in particular according to the above method and / or preferably produced by one of the above devices, the body 1 preferably being designed as a multi-layer body 1a, in particular where the multi-layer body 1a has a sequence of layers, preferably in the following order: Substrate, in particular with a surface 10a of the substrate 10 at least regionally one or more Has surface structures 11, at least one adhesive layer 20, in particular wherein the adhesive layer 20 is at least partially and / or at least partially cured, at least one decorative layer, preferably wherein the substrate 10 is designed as a three-dimensional object and / or as a film and / or a web- or has a ribbon-like shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Decoration By Transfer Pictures (AREA)
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DE102020129632A1 (de) 2020-11-10 2022-05-12 Illinois Tool Works Inc. Verfahren und vorrichtung zum bearbeiten und insbesondere veredeln von druckobjekten
DE102021108786B4 (de) 2021-04-08 2023-03-02 Sioptica Gmbh Beleuchtungseinrichtung für einen Bildschirm für einen freien und einen eingeschränkten Sichtmodus und Verwendung einer solchen Beleuchtungseinrichtung

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WO2017076872A2 (fr) * 2015-11-03 2017-05-11 Leonhard Kurz Stiftung & Co. Kg Procédé et dispositif d'application permettant d'appliquer une couche de transfert d'un film sur un substrat
DE102016107180A1 (de) * 2016-04-19 2017-10-19 Lisa Dräxlmaier GmbH Herstellen eines Fahrzeuginterieur-Teils
DE102017112259B3 (de) * 2017-06-02 2018-08-23 Isimat Gmbh Siebdruckmaschinen Vorrichtung und Verfahren zur Dekoration von Objekten
EP3441234A1 (fr) * 2008-09-12 2019-02-13 LEONHARD KURZ Stiftung & Co. KG Procédé de transfert de films à froid et film de transfert

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DE102011108239A1 (de) * 2011-07-21 2013-01-24 Giesecke & Devrient Gmbh Datenträger mit taktilem Sicherheitsmerkmal
DE102017207309A1 (de) * 2016-05-31 2017-11-30 Heidelberger Druckmaschinen Ag Verfahren zum bildgemäßen Dekorieren eines Abschnitts einer zumindest teilweise gekrümmten Objektoberfläche

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EP3441234A1 (fr) * 2008-09-12 2019-02-13 LEONHARD KURZ Stiftung & Co. KG Procédé de transfert de films à froid et film de transfert
WO2017076872A2 (fr) * 2015-11-03 2017-05-11 Leonhard Kurz Stiftung & Co. Kg Procédé et dispositif d'application permettant d'appliquer une couche de transfert d'un film sur un substrat
DE102016107180A1 (de) * 2016-04-19 2017-10-19 Lisa Dräxlmaier GmbH Herstellen eines Fahrzeuginterieur-Teils
DE102017112259B3 (de) * 2017-06-02 2018-08-23 Isimat Gmbh Siebdruckmaschinen Vorrichtung und Verfahren zur Dekoration von Objekten

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