EP3917780B1 - Procédé et machine d'impression respectivement pour l'impression d'un support d'impression métallique - Google Patents

Procédé et machine d'impression respectivement pour l'impression d'un support d'impression métallique Download PDF

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Publication number
EP3917780B1
EP3917780B1 EP20700590.1A EP20700590A EP3917780B1 EP 3917780 B1 EP3917780 B1 EP 3917780B1 EP 20700590 A EP20700590 A EP 20700590A EP 3917780 B1 EP3917780 B1 EP 3917780B1
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EP
European Patent Office
Prior art keywords
printing
printable material
metallic
printing machine
pretreatment device
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.)
Active
Application number
EP20700590.1A
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German (de)
English (en)
Other versions
EP3917780A1 (fr
Inventor
Stephan Behnke
Benjamin Törkö
Ralf Gumbel
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP3917780A1 publication Critical patent/EP3917780A1/fr
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Publication of EP3917780B1 publication Critical patent/EP3917780B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/16—Rotary lithographic machines for printing on non-deformable material, e.g. sheet metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102—Pretreatment of metallic substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • B05D3/141—Plasma treatment
    • B05D3/142—Pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/04—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a surface receptive to ink or other liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/28—Printing on other surfaces than ordinary paper on metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/30—Metallic substrate based on refractory metals (Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/20—Chromatation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams

Definitions

  • the invention relates to a method for printing a metallic printing material according to the preamble of claim 1 and a printing press according to the preamble of claim 6 for carrying out the aforementioned method.
  • a device for applying a decoration to an outer surface of a metallic container comprising a transfer printing forme, an electrophotographic system in a predetermined orientation with respect to the transfer printing forme, the electrophotographic system conveying a toner material onto the transfer printing forme, and a feed unit to bringing the metallic container into contact with the transfer printing form to transfer the toner material from the transfer printing form to the outer surface of the metallic container for the decoration thereof.
  • a method for producing a steel plate printed with a transparent pattern comprising forming a printed ink film layer by ejecting transparent ink onto at least one surface of a steel plate and curing the printed ink film layer with ultraviolet light to form a cured printed ink film layer, and further preferably comprising performing a pre-processing on the relevant surface of the steel plate with plasma before forming the printed ink film layer.
  • A1 is a method for the transfer of imaging and / or covering or overlaying application layers from a transfer film to printed sheets in a sheet-processing machine, in particular a sheet-fed rotary printing press, is known, at least with an application unit for a Image-wise or two-dimensional coating of a printing sheet with an adhesive and with at least one coating unit for transferring image-forming or covering layers from the transfer film to the printing sheet, with a transfer gap being formed in a coating unit and the transfer film along the surface of a press roller and with the coated side on placed on a printing sheet and can be guided under pressure together with this through the transfer gap, so that the imaging or covering layers are adhesively transferred from the transfer film to the printing sheet in areas provided with adhesive, with the printing press being supplied with stiff-elastic printing sheets as metal sheets or plastic sheets which are provided on at least one printed or coated or unprinted or uncoated first side in a transfer nip with an image-wise or full-surface film coating of the transfer film, and the metallic or
  • EP 1 503 899 A2 discloses a device for printing essentially non-absorbent printing material in the form of metal panels, with a printing machine that belongs to a printing line and has at least one printing unit equipped with printing ink, with a first printing device and a second printing device being provided, each belonging to the printing line and to the The printing unit - as seen in the printing direction - is upstream, with the first printing device being followed by the second printing device as seen in the printing direction, and with the first printing device being equipped with a UV-drying primer and the second printing device being equipped with a UV-drying white lacquer and the first printing device and the a UV drying device belonging to the printing line is connected downstream of the second printing device.
  • a printing device for printing flat structures with at least one printing ink, the surface tension of this flat structure being less than or equal to the surface tension of the printing ink comprising at least one active printing unit and a final drying system downstream of this at least one active printing unit for drying the at least one active printing unit printing ink applied to the fabric, at least one irradiation device each having at least one electromagnetic radiation source for irradiating the fabric before it is fed to the at least one active printing unit is configured upstream of the at least one active printing unit, the radiation source e.g. B. is an elongated UV gas discharge tube or an elongated infrared radiator.
  • a method for passivating the surface of tinned steel strip is known, with the steel strip being moved through a coating system at a strip speed of at least 200 m/min, with the surface being anodically oxidized after the steel strip has been tinned and a liquid solution of a chromium-free substance being applied to the oxide layer Aftertreatment agent is applied.
  • a rotary printing machine with a printing station for applying water-soluble printing ink to a plastic film and with a reaction chamber upstream of the printing station, in which the surface of the plastic film is modified by plasma treatment by means of a gas jet in such a way that the surface is coated with water-soluble printing ink can be printed without using a primer layer.
  • the electrode and the workpiece are set in motion relative to one another in a direction of movement, with a high voltage in the form of an alternating voltage being applied to the barrier electrodes in order to ignite a plasma discharge at least in the gap and wherein the plasma discharge is driven out of the gap in the direction of the surface of the workpiece to be treated by means of a gas flow, the surface of the workpiece to be treated facing the surface n of the barrier electrodes are subjected to the high voltage, as a result of which, due to the plasma gas flowing out of the gap and flowing into the area between the barrier electrodes and the surface of the workpiece to be treated, the ignition voltage is reduced for ign
  • the invention is based on the object of creating a method for printing a metallic printing material and a printing machine for carrying out the aforementioned method, with wetting properties of the surface of the printing material for the printing ink to be applied to it or the lacquer to be applied to it can be improved and/or an improved adhesive bond is produced between the metallic printing material and the printing ink or lacquer to be applied to the surface of this printing material.
  • the advantages that can be achieved with the invention are, in particular, that wetting properties of the surface of the printing material for the printing ink to be applied to it or the coating to be applied to it are improved and/or an improved adhesive bond between the metallic printing material and the printing ink to be applied to the surface of this printing material or the coating to be applied paint is produced.
  • an original in terms of its surface ie non-processed metallic printing material with a chrome-containing surface, preferably a z.
  • B. tinned and chrome-passivated sheet metal or a chrome-plated sheet metal, in particular a tinplate, can be printed directly, ie without performing an additional processing step preceding the printing, namely the application of a primer.
  • the plasma pre-treatment takes place inline in the printing machine, the plasma pre-treatment of the surface to be printed on the metallic substrate and its printing and, if necessary, painting are carried out in one and the same machine pass, which means that complex intermediate steps such as e.g. B. an intermediate storage or relocation of the printing material in question and / or the provision of several different separate production lines can be avoided.
  • Sheet metal is a flat rolled finished product made of metal, e.g. B. is delivered as a sheet or as a steel strip roll (coil).
  • the format of rectangular metal sheets, ie their edge lengths, is z. B. in the range between 500 mm x 700 mm and 1,000 mm x 1,200 mm.
  • the following preferably relates to the printing of a surface of a tinplate, with a tinplate having a thin, cold-rolled steel plate as the body plate, the surface of which is preferably coated with tin. Tinplate thicknesses of 0.1 mm to 0.5 mm are currently common. The main purpose of tinning is to protect against corrosion.
  • a tinned, chrome-surface- passivated ETP sheet electrolytic tin plate
  • a chrome- plated ECCS sheet electrolytic chrome coated steel
  • a printing material designed as a hollow body can also be used, provided that this also has a chrome-containing surface and a printing ink that hardens by exposure to ultraviolet radiation and/or a lacquer that hardens by exposure to ultraviolet radiation is applied to this surface in a printing press will or will
  • a packaging sheet metal used are a mostly viscous ink or a mostly low-viscosity paint each in a layer thickness z. B. from 1 micron to 10 microns, preferably applied in a layer thickness in a range between 4 microns and 5 microns on the bare chromium-containing surface of the sheet in question through the use of at least one printing unit of a printing press, directly and directly, ie without the additional processing step, to be carried out before printing, of applying a primer to the chrome-containing surface in question.
  • Printing inks are i. i.e. R. liquid mixtures of substances and consist of dispersed, d. H. from i. i.e. R. extremely finely divided pigments, binders and organic solvents.
  • Black ink contains carbon black pigments, especially carbon black. Colored pigments are extracted from minerals or chemically produced.
  • the mechanical properties of printing inks are also called rheological properties.
  • Paint is a liquid or powdered coating material that is applied thinly to an object and built up into a continuous, solid film through chemical or physical processes that particularly affect its solvent. Varnishes consist i. i.e. R. from binders, fillers, pigments, solvents, resins and / or acrylates and additives such as biocides.
  • a monomer serves as a "solvent" which polymerizes into the paint film during curing. It is a low-molecular binder with low vapor pressure, which is e.g. B. hardens chemically within fractions of a second.
  • the source of radiation is i. i.e. R. a high-power UV lamp.
  • the ink or the paint is z. B. a printing method using a printing form.
  • the chromium-containing surface of the metallic printing material i. H. of the sheet metal, in an offset printing process or in a relief printing process or in a flexographic printing process.
  • the chromium-containing surface of the metallic printing material can also be printed using a digital printing process without a printing forme.
  • a radiation-curing, in particular UV-curing, printing ink or such a varnish is used as a printing fluid, ie as a printing ink or as a varnish.
  • the printing ink or lacquer is preferably cured by irradiation with ultraviolet radiation directed onto the printing material from a radiation source, this radiation source emitting electromagnetic radiation in the wavelength range, in particular between 100 nm and 400 nm.
  • argon or helium are each suitable from a foreign gas atmosphere.
  • the process gas is z. B. excited by an electrical AC voltage preferably in the voltage range between 5 kV and 15 kV and / or a frequency in the range between 10 kHz and 100 kHz and thereby ionized.
  • the chromium-containing surface of the printing material By irradiating the chromium-containing surface of the printing material with the ionized process gas, carbon-containing compounds and/or other contaminants are each detached from this surface and volatilized, because this plasma treatment triggers an oxidation process with regard to these contaminants. By removing these impurities, the surface tension of the chromium-containing surface of the printing material increases and the wettability of this surface improves. Therefore, the chromium-containing surface of the printing material can be printed directly after the irradiation with the ionized process gas, i. H. it is not necessary to apply a primer to this surface before printing.
  • FIG. 1 shows a printing press 01 for printing in a schematic and highly simplified manner a metallic printing material 02 with a chrome-containing surface and at least one printing unit 03; 05; 07; 09, preferably with a plurality of printing units 03; 05; 07; 09 and optionally at least one coating unit 11, with a plasma pretreatment device 13 being arranged upstream of the first printing unit 03 in the transport direction T of the printing material 02 in the printing press 01, i.e. inline.
  • the transport direction T of the printing material 02 through the printing press 01 is in the 1 indicated by a directional arrow.
  • the relevant printing unit 03; 05; 07; 09 is e.g. B.
  • a plurality of printing units 03; 05; 07; 09 these can also e.g. B. be formed printing in different printing processes.
  • a dryer in particular an intermediate dryer 04; 06; 08; 10, with which the printing ink applied immediately beforehand to the printing material 02 is cured by exposure to ultraviolet radiation.
  • a coating unit 11 can be provided, with which a coating that hardens by exposure to ultraviolet radiation is applied to the printing substrate 02.
  • This coating is applied in a z. B. additional intermediate dryer 04; 06; 08; 10 or dried in a final dryer 12. Since a printing ink that cures by exposure to ultraviolet radiation or a coating that cures by exposure to ultraviolet radiation is applied to printing substrate 02, the dryer 04; ; 06; 08; 10; 12, ie the respective intermediate dryer 04; 06; 08; 10 or the final dryer 12 each have a radiation source with electromagnetic radiation in the wavelength range directed onto the chromium-containing surface of the metallic printing substrate 02 preferably between 100 nm and 400 nm.
  • this printing press 01 is used to print a metal printing material 02 in the form of a panel, the metal panels i. i.e. R. separated from a stack 14 and successively to the plasma pretreatment device 13 and then to the respective printing units 03; 05; 07; 09 and/or the coating unit 11.
  • the individual metal sheets are transported through the printing machine 01 with a transport device, preferably in a flat position, either in a gripper closure or on a suction belt.
  • the printing press 01 is designed to B. several thousand metal sheets, z. B. to treat and print about four thousand metal sheets per hour.
  • the metal sheets are transported at a transport speed in the range z. B. from 0.5 m / s to 2 m / s transported through the printing press 01.
  • the plasma pretreatment device 13 preferably has a nozzle array 15, with the nozzle array 15 both in the transport direction T of the printing material 02 ( 1 ) as well as across it ( 2 ) each has a plurality of nozzles 16, from each of which a flow of the ionized process gas directed onto the chromium-containing surface of the metallic printing substrate 02 continuously flows out or at least can flow out.
  • This treatment of the chromium-containing surface of the metallic printing material 02 takes place under atmospheric pressure.
  • the printing press 01 therefore does not require a separate reaction chamber with locks for the entry or exit of the printing material 02 into this reaction chamber. These locks would be required if z. B. is formed a negative pressure or an overpressure compared to the environment.
  • the 2 shows the plasma pretreatment device 13 of FIG 1 in a view directed transversely to the transport direction T of the printing material 02.
  • the nozzles 16 are each preferably arranged perpendicular to the transport direction T of the printing material 02.
  • the nozzles 16 are arranged in such a way that metal sheets to be printed on by the printing machine 01 can be treated inline with the process gas by the plasma pretreatment device 13, preferably over the entire surface.
  • the nozzles 16 of the plasma pretreatment device 13, in particular of the nozzle array 15, are or are selectively used by a control unit, with the treatment of the sheet metal panels to be printed by the plasma pretreatment device 13 only taking place in previously selected areas.

Claims (15)

  1. Procédé pour l'impression d'un support d'impression (02) métallique au moyen d'une machine à imprimer (01), dans lequel une encre d'impression et/ou un vernis est ou sont appliqués respectivement sur une surface du support d'impression (02) métallique dans la machine à imprimer (01), dans lequel la surface du support d'impression (02) métallique est prétraitée dans la machine à imprimer (01) avant l'impression avec l'encre d'impression ou avec le vernis dans un dispositif de prétraitement par plasma (13), dans lequel l'encre d'impression et/ou le vernis est ou sont appliqués respectivement directement sur une surface passivée au chrome ou chromée du support d'impression (02) métallique, caractérisé en ce que la surface contenant du chrome du support d'impression (02) métallique est exposée dans le dispositif de prétraitement par plasma (13) sous pression atmosphérique à une irradiation avec un gaz de traitement ionisé, dans lequel dans la machine à imprimer (01) une encre d'impression durcissant du fait d'une irradiation avec un rayonnement ultraviolet et/ou un vernis durcissant du fait d'une irradiation avec un rayonnement ultraviolet est ou sont appliqués respectivement sur la surface concernée du support d'impression (02) métallique.
  2. Procédé selon la revendication 1, caractérisé en ce qu'un air comprimé exempt d'huile provenant de l'atmosphère entourant la machine à imprimer (01) est utilisé comme gaz de traitement prétraitant la surface contenant du chrome du support d'impression (02) métallique et/ou que de l'azote ou un gaz noble provenant respectivement d'une atmosphère de gaz étranger est utilisé comme gaz de traitement prétraitant la surface contenant du chrome du support d'impression (02) métallique.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'un support d'impression (02) en forme de panneau ou en forme de bande ou un support d'impression (02) réalisé sous la forme d'un corps creux est utilisé.
  4. Procédé selon la revendication 1 ou 2 ou 3, caractérisé en ce que la surface contenant du chrome du support d'impression (02) métallique est imprimée par au moins un groupe d'impression (03 ; 05 ; 07 ; 09) situé en aval dans la machine à imprimer (01) du dispositif de prétraitement par plasma (13) dans un procédé de typographie ou dans un procédé d'impression à plat ou dans un procédé d'impression offset ou dans un procédé d'impression numérique sans plaque d'impression.
  5. Procédé selon la revendication 1 ou 2 ou 3 ou 4, caractérisé en ce que la surface contenant du chrome du support d'impression (02) métallique est exposée dans le dispositif de prétraitement par plasma (13) à une irradiation continue avec un gaz de traitement ionisé.
  6. Machine à imprimer pour l'impression d'un support d'impression métallique, avec au moins un groupe d'impression (03 ; 05 ; 07 ; 09) pour l'application d'une encre d'impression et/ou avec au moins un groupe de vernissage (11) pour l'application d'un vernis respectivement sur une surface du support d'impression (02) métallique, dans laquelle un dispositif de prétraitement par plasma (13) est disposé dans la machine à imprimer (01) dans la direction de transport (T) du support d'impression (02) avant le groupe d'impression (03 ; 05 ; 07 ; 09) concerné pour l'application de l'encre d'impression et/ou avant le groupe de vernissage (11) concerné pour l'application du vernis sur la surface du support d'impression (02) métallique, caractérisée en ce que le au moins un groupe d'impression (03 ; 05 ; 07 ; 09) est réalisé de manière à appliquer l'encre d'impression et/ou le au moins un groupe de vernissage (11) est réalisé de manière à appliquer le vernis respectivement sur une surface du support d'impression (02) métallique passivée au chrome ou réalisée de manière chromée, dans laquelle le au moins un groupe d'impression (03 ; 05 ; 07 ; 09) est réalisé de manière à appliquer l'encre d'impression et/ou le au moins un groupe de vernissage (11) est réalisé de manière à appliquer le vernis respectivement directement sur la surface contenant du chrome du support d'impression (02), dans laquelle le dispositif de prétraitement par plasma (13) est réalisé de manière à exposer la surface contenant du chrome du support d'impression (02) métallique sous pression atmosphérique à une irradiation avec un gaz de traitement ionisé, dans laquelle le dispositif de prétraitement par plasma (13) présente un ensemble de buses (15), dans laquelle l'ensemble de buses (15) présente aussi bien dans la direction de transport (T) du support d'impression (02) que transversalement par rapport à celle-ci respectivement plusieurs buses (16), dans laquelle le gaz de traitement ionisé s'écoule de ces buses (16) dans un écoulement dirigé sur la surface contenant du chrome du support d'impression (02) métallique.
  7. Machine à imprimer selon la revendication 6, caractérisée en ce que le au moins un groupe d'impression (03 ; 05 ; 07 ; 09) est réalisé de manière à appliquer une encre d'impression durcissant du fait d'une irradiation avec un rayonnement ultraviolet sur la surface du support d'impression (02) métallique et/ou que le au moins un groupe de vernissage (11) est réalisé de manière à appliquer un vernis durcissant du fait d'une irradiation avec un rayonnement ultraviolet sur la surface du support d'impression (02) métallique.
  8. Machine à imprimer selon la revendication 6 ou 7, caractérisée en ce que le groupe d'impression (03 ; 05 ; 07 ; 09) concerné pour l'application de l'encre d'impression sur la surface contenant du chrome du support d'impression (02) métallique ou le groupe de vernissage (11) concerné pour l'application du vernis sur la surface contenant du chrome du support d'impression (02) métallique est réalisé de manière à effectuer une impression respectivement dans un procédé de typographie ou dans un procédé d'impression à plat ou dans un procédé de sérigraphie ou dans un procédé d'impression numérique sans plaque d'impression.
  9. Machine à imprimer selon la revendication 6 ou 7 ou 8, caractérisée en ce qu'un séchoir intermédiaire (04 ; 06 ; 08 ; 10) ou un séchoir final (12) est disposé dans la direction de transport (T) du support d'impression (02) après le groupe d'impression (03 ; 05 ; 07 ; 09) concerné pour l'application de l'encre d'impression sur la surface contenant du chrome du support d'impression (02) métallique ou après le groupe de vernissage (11) concerné pour l'application du vernis sur la surface contenant du chrome du support d'impression (02) métallique.
  10. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9, caractérisée en ce que respectivement un séchoir intermédiaire (04 ; 06 ; 08 ; 10) est disposé entre les groupes d'impression (03 ; 05 ; 07 ; 09) disposés de manière voisine et un autre séchoir intermédiaire ou un séchoir final (12) est disposé après le dernier groupe d'impression (09) dans la direction de transport (T) du support d'impression (02).
  11. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9 ou 10, caractérisée en ce qu'un dispositif de transport est prévu, dispositif de transport avec lequel le support d'impression (02) est transporté soit dans une emprise de pinces soit en position plane sur une bande aspirante à travers la machine à imprimer (01).
  12. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9 ou 10 ou 11, caractérisée en ce que les buses (16) respectives du dispositif de prétraitement par plasma (13) sont disposées à une distance (a) dans une plage comprise entre 5 mm et 50 mm par rapport à la surface contenant du chrome du support d'impression (02) métallique et/ou que les buses (16) respectives du dispositif de prétraitement par plasma (13) sont disposées respectivement perpendiculairement à la direction de transport (T) du support d'impression (02).
  13. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9 ou 10 ou 11 ou 12, caractérisée en ce que les buses (16) respectives du dispositif de prétraitement par plasma (13) sont disposées de telle sorte que le support d'impression (02) à imprimer au moyen de la machine à imprimer (01) est traité en ligne par le dispositif de prétraitement par plasma (13) avec le gaz de traitement, dans laquelle les buses (16) du dispositif de prétraitement par plasma (13) sont mises en œuvre sélectivement par une unité de commande, dans laquelle le traitement du support d'impression (02) à imprimer par le dispositif de prétraitement par plasma (13) ne s'effectue que dans des zones préalablement sélectionnées.
  14. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9 ou 10 ou 11 ou 12 ou 13, caractérisée en ce que les buses (16) respectives du dispositif de prétraitement par plasma (13) sont disposées de telle sorte que le support d'impression (02) à imprimer au moyen de la machine à imprimer (01) est traité avec le gaz de traitement sur toute la surface par le dispositif de prétraitement par plasma (13).
  15. Machine à imprimer selon la revendication 6 ou 7 ou 8 ou 9 ou 10 ou 11 ou 12 ou 13 ou 14, caractérisée en ce que les buses (16) du dispositif de prétraitement par plasma (13) sont disposées de manière à exposer la surface contenant du chrome du support d'impression (02) métallique à une irradiation continue avec le gaz de traitement ionisé.
EP20700590.1A 2019-01-28 2020-01-13 Procédé et machine d'impression respectivement pour l'impression d'un support d'impression métallique Active EP3917780B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019101997.4A DE102019101997A1 (de) 2019-01-28 2019-01-28 Verfahren und Druckmaschine jeweils zum Bedrucken eines metallischen Bedruckstoffes
PCT/EP2020/050689 WO2020156790A1 (fr) 2019-01-28 2020-01-13 Procédé et machine à imprimer respectivement pour l'impression d'un support d'impression métallique

Publications (2)

Publication Number Publication Date
EP3917780A1 EP3917780A1 (fr) 2021-12-08
EP3917780B1 true EP3917780B1 (fr) 2022-10-12

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EP20700590.1A Active EP3917780B1 (fr) 2019-01-28 2020-01-13 Procédé et machine d'impression respectivement pour l'impression d'un support d'impression métallique

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EP (1) EP3917780B1 (fr)
DE (1) DE102019101997A1 (fr)
ES (1) ES2934174T3 (fr)
WO (1) WO2020156790A1 (fr)

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Publication number Priority date Publication date Assignee Title
US20230147245A1 (en) * 2020-04-13 2023-05-11 Brasilata S/A Embalagens Metálicas Method for treating the surface of metal foils with uv-cured protective varnish

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19532412C2 (de) 1995-09-01 1999-09-30 Agrodyn Hochspannungstechnik G Vorrichtung zur Oberflächen-Vorbehandlung von Werkstücken
EP1186638B1 (fr) 2000-08-04 2006-06-07 Toyo Seikan Kaisha Limited Utilisation d'un encre pour l'impression, PROCEDE D'IMPRESSION et matériau d'emballage imprimé
DE10218277B4 (de) 2002-04-19 2007-06-28 Ltg Technologies Plc Einrichtung zum Bedrucken von Druckmaterial sowie entsprechendes Verfahren
DE102005029360B4 (de) 2005-06-24 2011-11-10 Softal Corona & Plasma Gmbh Zwei Verfahren zur kontinuierlichen Atmosphärendruck Plasmabehandlung von Werkstücken, insbesondere Materialplatten oder -bahnen
DE102006044957A1 (de) * 2006-04-01 2007-10-04 Man Roland Druckmaschinen Ag Prägebeschichtung für steif-elastische Bedruckstoffe
CH703704A1 (de) 2010-09-14 2012-03-15 Hoffmann Neopac Ag Druckvorrichtung und Verfahren zum Bedrucken von Flächengebilden.
DE102012000414B4 (de) 2012-01-12 2014-03-20 Thyssenkrupp Rasselstein Gmbh Verfahren zur Passivierung von Weißblech, sowie verzinntes Stahlband oder -blech
KR101674766B1 (ko) * 2014-12-23 2016-11-10 주식회사 포스코 투명 패턴 프린트 강판 제조 방법
DE102015209826A1 (de) 2015-05-28 2016-12-01 Windmöller & Hölscher Kg Rotationsdruckmaschine
EP3496952A4 (fr) * 2016-08-10 2020-04-08 Ball Corporation Procédé et appareil de décoration d'un récipient métallique par impression numérique sur un blanchet de transfert

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Publication number Publication date
ES2934174T3 (es) 2023-02-17
DE102019101997A1 (de) 2020-07-30
EP3917780A1 (fr) 2021-12-08
WO2020156790A1 (fr) 2020-08-06

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