EP3917780A1 - Procédé et machine à imprimer respectivement pour l'impression d'un support d'impression métallique - Google Patents

Procédé et machine à imprimer respectivement pour l'impression d'un support d'impression métallique

Info

Publication number
EP3917780A1
EP3917780A1 EP20700590.1A EP20700590A EP3917780A1 EP 3917780 A1 EP3917780 A1 EP 3917780A1 EP 20700590 A EP20700590 A EP 20700590A EP 3917780 A1 EP3917780 A1 EP 3917780A1
Authority
EP
European Patent Office
Prior art keywords
printing
printing material
metallic
chromium
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.)
Granted
Application number
EP20700590.1A
Other languages
German (de)
English (en)
Other versions
EP3917780B1 (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
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP3917780A1 publication Critical patent/EP3917780A1/fr
Application granted granted Critical
Publication of EP3917780B1 publication Critical patent/EP3917780B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/413—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material for metal
    • 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 machine according to the
  • US 2018/0046114 A1 discloses a device for applying a decoration to an outer surface of a metallic container, comprising a device
  • the electrophotographic system conveying a toner material onto the transfer printing form, and a feed unit to bring the metallic container into contact with the transfer printing form to feed the toner material from the transfer printing form to the outer surface of the metallic container for decoration transfer.
  • US 2017/0354991 A1 discloses a method for producing a steel plate printed with a transparent pattern, comprising forming a printed color film layer by ejecting transparent ink onto at least one surface of a steel plate and curing the printed color film layer with ultraviolet light to produce a hardened one to form printed ink film layer and further preferably comprising performing preprocessing on the relevant surface of the steel plate with plasma before forming the printed ink film layer.
  • DE 10 2006 044 957 A1 describes a method for transferring imaging and / or covering or covering application layers from a transfer film to printed sheets in a sheet-processing machine, in particular one
  • Sheet-fed rotary printing press known, at least with one applicator for one imagewise or areal coating of a printing sheet with an adhesive and with at least one coating unit for transferring imaging or covering layers from the transfer film to the printing sheet, a transfer nip being formed in a coating unit and the transfer film along the surface of a press roller and with the coated side a printed sheet is placed and can be passed under pressure together with it through the transfer nip, so that the imaging or covering layers in areas provided with adhesive are transferred adhesively from the transfer film to the printed sheet, the printing machine being supplied with rigid, elastic printed sheets as sheet metal or plastic sheets, on at least one printed or coated or unprinted or
  • Foil coating can be dried.
  • EP 1 503 899 A2 discloses a device for printing essentially non-absorbent printing material designed as metal plates, with a printing machine belonging to a printing line and having at least one printing unit equipped with printing ink, a first printing device and a second printing device being provided, that each belong to the pressure line and the
  • Printing unit - as seen in the printing direction - are upstream, whereby - seen in the printing direction - the first printing device is followed by the second printing device, and the first printing device is equipped with UV-drying primer and the second printing device with UV-drying white lacquer and the first printing device and the the second printing device is followed by a UV drying device belonging to the printing line.
  • EP 2 428 359 A1 describes a printing device for printing on
  • Printing unit at least one irradiation device, each with at least one
  • the electromagnetic radiation source for irradiating the fabric before it is supplied to the at least one active printing unit
  • DE 10 2012 000 414 A1 discloses a method for passivating the surface of tinned steel strip, the steel strip being moved through a coating system at a strip speed of at least 200 m / min, the surface being anodically oxidized after the steel strip has been tinned and a liquid solution of a chromium-free aftertreatment agent is applied to the oxide layer.
  • a rotary printing machine is known from WO 2016/188 964 A1, 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 changed in this way by means of a gas jet by means of plasma treatment is that the surface can be printed with water-soluble ink without using a primer layer.
  • WO 2007/016 999 A2 discloses a method for continuous atmospheric pressure plasma treatment of, in particular, electrically insulating workpieces, in particular material plates or webs, a workpiece to be treated being arranged one behind the other at a distance of at least two in the direction of movement while leaving a gap, transversely to the direction of movement at least over the width of the surface of the workpiece to be treated
  • Extending barrier electrodes arranged and the electrode and the workpiece are set in motion in a direction of movement relative to each other, wherein a high voltage in the form of a
  • AC voltage is applied in order to ignite a plasma discharge at least in the gap and wherein the plasma discharge is driven from the gap in the direction of the surface of the workpiece to be treated by means of a gas stream, surfaces of the barrier electrodes facing the surface of the workpiece being treated with the high voltage , whereby a reduced ignition voltage for an ignition between the surfaces of the barrier electrodes facing the workpiece and the surface of the workpiece to be treated and thus reached due to the plasma gas emerging from the gap and flowing into the area between the barrier electrodes and the surface of the workpiece to be treated, and thus a Plasma is ignited across the entire width of the workpiece.
  • EP 0 761 415 A2 discloses a method for the surface pretreatment of workpieces by means of electrical discharge, a concentrated beam of a reactive medium being generated by plasma discharge with the supply of a working gas and the surface of the workpiece to be treated being covered with this beam.
  • the invention has for its object a method for printing on a metallic printing material and a printing machine for performing the
  • varnish to be applied can be improved and / or an improved adhesive bond between the metallic printing material and the surface of the latter
  • metallic printing material with a chrome-containing surface preferably a z.
  • B. tinned and chrome-containing passivated sheet or a chrome-plated sheet, in particular a tinplate, can be printed directly, d. H. without carrying out an additional processing step prior to printing, namely the application of a primer. Since the plasma pretreatment is carried out inline in the printing press, the plasma pretreatment of the surface to be printed on the metallic printing material and its printing as well as, if necessary, painting are carried out in one and the same machine run, which means that complex intermediate steps such.
  • Fig. 1 A printing machine for printing a metallic printing material with one upstream of the at least one printing unit
  • Fig. 2 shows the plasma pretreatment device of Fig. 1 in a transverse to
  • the z. B. is delivered as a board or as a steel coil.
  • the following is preferably the printing of a surface of a tinplate, a tinplate as the fuselage plate having a thin cold-rolled steel plate, the surface of which is preferably coated with tin.
  • Tinplate thicknesses of 0.1 mm to 0.5 mm are currently common. Tinning primarily serves to protect against corrosion.
  • a tin-plated ETP sheet electrolytic tin ßlate surface-passivated with chrome or a chrome-plated ECCS sheet (electrolytic chromium coated steel) is preferably used to carry out the method according to the invention.
  • a printing material designed as a hollow body provided that it also has a chromium-containing surface and a printing ink which is hardened by irradiation with ultraviolet radiation and / or a varnish which is hardened by irradiation with ultraviolet radiation is applied to this surface in a printing press will or will.
  • a packaging used sheet a mostly viscous printing ink or a mostly low-viscosity lacquer each in a layer thickness z. B. from 1 pm to 10 pm, preferably in a layer thickness in a range between 4 pm and 5 pm on the bare chrome-containing surface of the sheet in question by the use of at least one printing unit of a printing press, in each case directly and immediately, ie without the additional processing step to be carried out before printing of applying a primer to the chromium-containing surface in question.
  • Printing inks are colorant i. d. R. liquid mixtures and consist of dispersed, d. H. from i. d. Usually extremely finely divided pigments, binders and organic solvents.
  • the printing ink black contains pigments made of soot, in particular gas black. Colored pigments are obtained from minerals or are manufactured chemically.
  • Printing inks for printing processes in which the ink is applied by rollers require good transport of the printing ink over the inking rollers and low aerosol formation.
  • the ink transport is determined by the speed of the printing ink.
  • Speed is the force necessary to separate an ink film. It is a complex ratio of viscosity, cohesion and adhesion and is measured in the printing ink test as a so-called "tack".
  • Aerosol formation is the formation of a paint mist and colored threads at high printing speeds. These aerosols are undesirable. Aerosol formation is strongly temperature-dependent, since it correlates directly with the viscosity.
  • Printing inks consist of:
  • binders mainly of resins (solid resins, alkyd resins), in order to fix the colorants on the printing material, c) auxiliaries for adjusting the theological properties, e.g. B. to influence drying, gloss or surface hardness.
  • Lacquer is a liquid or powdery coating material that is applied thinly to an object and is built up into a continuous, solid film by chemical or physical processes that act in particular on its solvent. Varnishes exist i. d. R. from binders, fillers, pigments, solvents, resins and / or acrylates and additives, such as biocides. At a
  • Emission-free, especially radiation-curing lacquer a monomer serves as a “solvent” that polymerizes into the lacquer film during curing. It is a low molecular weight binder with low vapor pressure, which can be applied via UV-induced processes such. B. chemically cures within fractions of a second.
  • Radiation source serves i. d. R. a UV high-performance lamp.
  • the printing ink or varnish is suitable for.
  • B. a printing process using a printing form.
  • the chrome-containing surface of the metallic printing material, i. H. of the sheet in an offset printing process or in a high-pressure process or in a flexographic printing process.
  • the chromium-containing surface of the metallic printing material can also be in a formless one
  • a radiation-curing, in particular UV-curing printing ink or such a coating is used as a printing fluid, ie as a printing ink or as a coating.
  • the printing ink or lacquer is preferably cured by irradiation with an ultraviolet radiation directed at 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.
  • the printing ink or the coating material to expose the chromium-containing surface in the printing machine to a preferably continuous, ie non-pulsed, radiation with an ionized process gas before printing with the printing ink or with the coating.
  • Oil-free compressed air from the atmosphere surrounding the printing press is preferably used to treat the chromium-containing surface of the printing material as process gas.
  • nitrogen or a noble gas such as.
  • B. argon or helium are each suitable from a foreign gas atmosphere.
  • the process gas is e.g. B. excited by an alternating electrical 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.
  • Contaminants are detached from this surface and evaporated, because this plasma treatment triggers an oxidation process with regard to these contaminants.
  • 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 schematically and greatly simplified a printing machine 01 for printing a metallic printing material 02 having a chrome-containing surface with at least one printing unit 03; 05; 07; 09, preferably with several in
  • Transport direction T of the printing substrate 02 is arranged upstream of the first printing unit 03 in the printing press 01, that is to say inline a plasma pretreatment device 13.
  • the direction of transport T of the printing material 02 through the printing press 01 is indicated in FIG. 1 by an arrow.
  • the relevant printing unit 03; 05; 07; 09 is e.g. B. in an offset printing process or in a letterpress printing process or in a
  • Digital printing process trained to print In the case of several printing units 03; arranged successively in the transport direction T of the printing substrate 02; 05; 07; 09 these can also be B. be designed to print in different printing processes. Between adjacent printing units 03; 05; 07; 09 and after the last printing unit 09 in the transport direction T of the printing material 02 is preferably a dryer, in particular an intermediate dryer 04; 06; 08; 10 is arranged, with which the printing ink applied directly beforehand to the printing substrate 02 is cured by irradiation with ultraviolet radiation. In particular, after the last printing unit 09 in the transport direction T of the printing material 02, a coating unit 11 can be provided, with which a coating which is hardened by irradiation with ultraviolet radiation is applied to the printing material 02.
  • This coating is in a in the transport direction T of the printing material 02 the coating unit 11 following z. B. another intermediate dryer 04; 06; 08; 10 or dried in a final dryer 12. Since in each case a printing ink hardening by irradiation with ultraviolet radiation or a varnish hardening by irradiation with ultraviolet radiation is applied to the printing material 02, the dryer 04; ; 06; 08; 10; 12, d. H. the respective intermediate dryer 04; 06; 08; 10 or the final dryer 12 each one
  • Substrate 02 directed electromagnetic radiation in the wavelength range preferably between 100 nm and 400 nm.
  • the metal sheets are i. d. R. separated from a stack 14 and successively the plasma pretreatment device 13 and then the respective one
  • the individual metal sheets are transported through the printing machine 01 using a transport device, preferably in a flat position either in a gripper closure or on a suction belt.
  • the printing press 01 is designed, for. B. several thousand
  • Metal sheets e.g. B. treat and print about four thousand metal sheets per hour.
  • the metal sheets are at a transport speed in the z. B. transported from 0.5 m / s to 2 m / s through the printing press 01.
  • the plasma pretreatment device 13 preferably has a nozzle array 15, the nozzle array 15 each having a plurality of nozzles 16 both in the transport direction T of the printing material 02 (FIG. 1) and transversely thereto (FIG. 2), each of which nozzles 16 onto the chromium-containing surface of the metallic printing material 02 directed flow of the ionized process gas continuously flows out or at least can flow out.
  • This treatment of the chrome-containing surface of the metallic printing material 02 takes place under atmospheric pressure.
  • a separate reaction chamber with locks for entry or exit of the printing material 02 into this reaction chamber is therefore not required in the printing press 01. These locks would be required if such a reaction chamber.
  • B. a negative pressure or an excess pressure is formed in comparison to the environment.
  • FIG. 2 shows the plasma pretreatment device 13 of FIG. 1 in a view directed transversely to the transport direction T of the printing substrate 02.
  • a distance a lies between an outlet opening of the respective nozzle 16 for the respective flow of the ionized process gas and the chromium-containing surface of the metallic printing material 02 in an area e.g. B. between 5 mm and 50 mm.
  • the nozzles 16 are each
  • the nozzles 16 are arranged in such a way that sheet metal plates to be printed by means of the printing press 01 can be treated inline by the plasma pretreatment device 13, preferably over the entire area with the process gas.
  • the nozzles 16 of the plasma pretreatment device 13, in particular the nozzle array 15, are used selectively by a control unit, the treatment of the metal sheets to be printed by the plasma pretreatment device 13 only taking place in previously selected areas.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)

Abstract

L'invention concerne un procédé pour l'impression d'un support d'impression métallique (02) au moyen d'une machine à imprimer (01), une encre d'impression et/ou un vernis étant appliqués respectivement sur une surface du support d'impression métallique (02) dans la machine à imprimer (01), la surface du support d'impression métallique (02) étant prétraitée dans la machine à imprimer (01), avant l'impression au moyen de l'encre d'impression ou du vernis, dans un dispositif de prétraitement par plasma (13), l'encre d'impression et/ou le vernis étant appliqués respectivement directement sur une surface passivée au chrome ou sur une surface chromée du support d'impression métallique (02), la surface contenant du chrome du support d'impression métallique (02) étant exposée dans le dispositif de prétraitement par plasma (13) sous pression atmosphérique à une irradiation au moyen d'un gaz de traitement ionisé. L'invention concerne en outre une machine à imprimer pour la mise en œuvre du procédé susmentionné.
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 true EP3917780A1 (fr) 2021-12-08
EP3917780B1 EP3917780B1 (fr) 2022-10-12

Family

ID=69159793

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (4)

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

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EP4137239A4 (fr) * 2020-04-13 2024-05-08 Brasilata S/A Embalagens Metalicas Procédé de traitement de la surface de feuilles métalliques avec un vernis de protection à durcissement uv

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4137239A4 (fr) * 2020-04-13 2024-05-08 Brasilata S/A Embalagens Metalicas Procédé de traitement de la surface de feuilles métalliques avec un vernis de protection à durcissement uv

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EP3917780B1 (fr) 2022-10-12
DE102019101997A1 (de) 2020-07-30
WO2020156790A1 (fr) 2020-08-06
ES2934174T3 (es) 2023-02-17

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