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EP3867076A1 - Procédé d'impression d'une surface d'un substrat non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre, et imprimante numérique permettant la mise en oeuvre dudit procédé - Google Patents

Procédé d'impression d'une surface d'un substrat non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre, et imprimante numérique permettant la mise en oeuvre dudit procédé

Info

Publication number
EP3867076A1
EP3867076A1 EP19761852.3A EP19761852A EP3867076A1 EP 3867076 A1 EP3867076 A1 EP 3867076A1 EP 19761852 A EP19761852 A EP 19761852A EP 3867076 A1 EP3867076 A1 EP 3867076A1
Authority
EP
European Patent Office
Prior art keywords
substrate
ink
nozzle unit
printing device
workpiece carrier
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
EP19761852.3A
Other languages
German (de)
English (en)
Other versions
EP3867076B1 (fr
Inventor
Eberhard Wahl
Manuel KOMANDER
Bernhard Mokler
Rainer Simon
Dominik WEWIOR
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 EP3867076A1 publication Critical patent/EP3867076A1/fr
Application granted granted Critical
Publication of EP3867076B1 publication Critical patent/EP3867076B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00216—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using infrared [IR] radiation or microwaves
    • 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
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0022—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using convection means, e.g. by using a fan for blowing or sucking air
    • B41J11/00222—Controlling the convection means
    • 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
    • B41J11/02—Platens
    • B41J11/06—Flat page-size platens or smaller flat platens having a greater size than line-size platens
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/205—Ink jet for printing a discrete number of tones
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • 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
    • 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
    • B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0076—Digital printing on surfaces other than ordinary paper on wooden surfaces, leather, linoleum, skin, or flowers
    • 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
    • B41M5/0082—Digital printing on bodies of particular shapes
    • B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing

Definitions

  • the invention relates to a method for printing on a surface of a
  • WO 2018/168 675 A1 discloses a method for applying an oil-based ink to a substrate having a resin layer, the substrate being pretreated to improve the wetting properties before the oil-based ink is applied and after-treatment after the oil-based ink has been applied.
  • An image recording method is known from US 2017/0190188 A1, in which a recording substrate is subjected to a surface treatment in that an image recording surface of the recording substrate is exposed to light from a
  • Recording substrate is a non-absorbent or weak substrate
  • Recording substrate is applied after the surface treatment.
  • An ink jet recording method is known from US 2018/0236787 A1, which comprises the application of a treatment liquid in which there is a content of a nitrogenous solvent, this content being greater than that in an ink composition, with little or no absorption capacity to the recording medium where surface imperfections are equal to or greater than 10 pm, the ink composition containing a nitrogen-containing solvent contains, by discharging the ink composition from an ink jet head onto the recording medium, wherein the treatment liquid previously on the
  • Drying temperature a range between 40 ° C and 100 ° C and a range between 0.2 s and 10 s is proposed for the exposure time.
  • CH 703 704 A1 discloses a printing device for printing flat structures in the form of tinplate sheets with at least one printing ink, the surface tension of these flat structures being less than the surface tension of the printing ink, comprising at least one activatable printing unit and a final drying system downstream of this at least one activating printing unit to the
  • the invention has for its object to provide a method for printing a surface of a non-absorbent substrate with an ink to be applied by an inkjet printing device and a digital printing machine for carrying out this method, with which non-absorbent substrates can be used despite the use of a
  • water-based ink can each be printed with a print image of high print quality, in particular avoiding the ink drops from spreading.
  • Claim 1 solved and by a digital printing press according to claim 36.
  • the respective dependent claims relate to advantageous refinements and / or
  • Another advantage is a very flat print with a low haptic ink build-up, ie a low relief formation, and a print with a high gloss level.
  • the formation of such printed substrates is made possible without disturbing abrasion in the forming machine. It is also a good prerequisite for overpainting and a low and therefore environmentally friendly ink application with water as an environmentally friendly solvent.
  • non-absorbent substrates in packaging printing the need to print non-absorbent substrates in an industrial printing process with at least one water-based ink.
  • These substrates are e.g. B to preferably consist of a solid, in particular flat substrates, for. B. to substrates each made of a metallic material, in particular to metal sheets, for. B. from a steel sheet or a tinplate or from an i. d. R. surface oxidized aluminum material.
  • non-absorbent substrates made of, in particular, pre-lacquered wood, a plastic or a composite material can also be considered, provided that these substrates harmlessly heat during the printing process, e.g. B. survive dimensionally stable.
  • the substrates are preferably in the form of plates or sheets. B. However, it may also be in the form of a web or in each case as a round body.
  • Metallic substrates in particular are i. d. R. with a primer, e.g. B. pre-coated with a white background and / or with a varnish.
  • These substrates have z. B. an oiled or greased surface or treated with an anti-corrosion agent.
  • the surface of the substrates to be printed is in particular hydrophobic.
  • an ink without photoinitiators is preferably used.
  • substrates with a non-polar surface and a polar ink for printing on this surface are in each case in the form of an ink jet printing device
  • the ink drops e.g. B. during a monodirectional movement (single pass method) or during a bidirectional movement (multi pass method) of the push button and / or the substrate in question are applied to the same.
  • the ink drops z. B. in a screen printing process z. B. each in a point density of at least 360 dpi, for. B. 600 dpi or 1,200 dpi applied to the respective substrate.
  • the ink drops are usually applied in a grid with a plurality of positions in a precise position on the substrate in question. It can be provided that ink drops of variable size and / or that ink drops with
  • Brightness intensities are applied to the respective substrate.
  • color dots are preferably made from one
  • Basic color set e.g. B. CMYK used.
  • the surface tension of the substrates in question must be at least as great as the surface tension of the ink used. This is the only way to at least partially wet the respective surface of the substrates in question with the intended ink. Otherwise they pull onto the non-absorbent surface of the substrates in question
  • the surface tension of the substrates concerned and the surface tension of the ink used are usually temperature-dependent. Other environmental conditions such as B. the air humidity or certain surface properties of the substrates in question such as their roughness and / or their pretreatment and / or their degree of soiling affect the wettability of the respective surface of these substrates.
  • the surface tension of solid substrates can e.g. B. can be determined with commercially available test inks.
  • the surface tension of a water-based ink can e.g. B.
  • At room temperature e.g. B. in surrounding air at a temperature of 20 ° C can be used for metallic substrates in solid form, d. H. especially for
  • Sheet metal z. B. assume the following values for their surface tension: untreated steel 29 mN / m
  • Oily or greased surfaces have a surface tension of around 30 mN / m.
  • the surface tension of the substrates provided for printing less than the surface tension of the water contained as a solvent in the ink and i. d. Usually also less than the surface tension of the ink used for printing itself.
  • At least one inkjet printhead that works without printing form
  • the surface tension of this surface z. B. is increased by at least 10%, preferably by more than 40% in each case to a value of at least 45 mN / m, in particular of at least 50 mN / m, preferably to a value of over 70 mN / m. Only after this increase in surface tension, i.e. H.
  • the ink drops are applied to the respective i. d. R. applied the increased surface tension substrate.
  • Surface tension of the substrates concerned z. B. by phosphating these substrates and / or by applying a suitable coating, eg. B. can be increased by applying a white background and / or a special coating.
  • the surface tension of the substrates in question can be increased by pretreating them with a corona process or with a plasma process or with a chemical process or by flame treatment or by UV radiation or by other methods of surface activation.
  • a value is sought and set which not only reaches a minimum value for the preferably complete wettability of the surface of the substrates in question, but i. d. R. significantly exceeds.
  • Ink drop has a very quickly changing color property in the printed image Sequence and / or also leads to an unwanted flow of the ink z. B. into microwells of the substrate in question. Another effect is when using ink drops with different shades of bleeding these ink drops, z. B. by a merging of different color dots and thus leads to completely undesirable color effects in the printed image, not only in color, but also in the sharpness of the contour of printed structured surfaces, such as. B. in writing or on a picture edge.
  • Ink drops on the substrate in question is stopped or stopped.
  • the shock-like (over) drying of the ink drops to stop or prevent them from spreading is also referred to as pinning.
  • the pinning fixes ink drops applied to the substrate at their respective positions on the surface of the substrate to be printed.
  • the substrate 01 is preferably printed with a digital printing machine having at least one inkjet printing device 02, and z. B. transported along a transport route 09.
  • a device 03 which pretreates the substrate 01 to be printed in the form of a device which increases the surface tension of the surface of the substrate 01 to be printed this pretreating device 03 the surface tension of the to be printed Surface of the substrate 01 increased at least to that value that the surface tension of the Ink jet printing device 02 corresponds to ink to be applied to the surface of the substrate 01.
  • This device 03 which increases the surface tension of the surface to be printed on the substrate 01 performs a pretreatment on the substrate 01 to be printed, for. B. with a corona process or with a plasma process or with a chemical process or by flame or by UV radiation.
  • the inkjet printing device 02 and the workpiece carrier 04 are designed and arranged with respect to one another in such a way that the substrate 01 to be printed which is carried by the workpiece carrier 04 executes a relative movement to the inkjet printing device 02 or at least such a relative movement can be carried out, with ink on the surface during this relative movement from the inkjet printing device 02 of the substrate 01 to be printed is applied.
  • the ink can be either during a monodirectional movement (single pass process) or during a bidirectional movement (multi pass process)
  • Ink jet printing device 02 or the workpiece carrier 04 are each applied to the surface of the substrate 01.
  • the workpiece carrier 04 is heated to a temperature above the surrounding air temperature and the substrate 01 carried by the workpiece carrier 04 is in turn z. B. by heat conduction of the workpiece carrier 04 within a very short time, for. B. heated in the range of less than 1 second, preferably even in the range of a few milliseconds, ie in less than 50 ms, in particular in less than 10 ms, with the result that the ink applied to the surface of the substrate 01 in particular by thermal conduction of the substrate 01 heated by workpiece carrier 04 in a practically equally short time, if necessary with an allowable deviation, ie a tolerance of at most 5 ° C., preferably at most 2 ° C., in particular on z. B.
  • the ink applied to the substrate 01 becomes as a result, a temperature which is significantly higher than the temperature of the air surrounding the substrate 01 is practically imprinted.
  • the temperature of the ink applied to the substrate 01 is above the temperature of the air surrounding the substrate 01, but below a boiling temperature of the solvent contained in the ink, water being used as the solvent contained in the ink.
  • the heating of workpiece carrier 04, substrate 01 and ink applied thereon is shown in FIG. B. indicated diagonally upward arrows.
  • the workpiece carrier 04 is preferably heated by a heating device with which the temperature to be set for it is preferably regulated or at least controllable.
  • This heating of the ink applied to the substrate 01 results in a vapor layer above the liquid phase of this ink.
  • volatile constituents of the ink which are primarily the solvent contained in the ink, in particular the water, have with increasing temperature the tendency to change from the liquid phase of the ink to a gaseous phase, which produces the vapor.
  • Evaporation below the boiling point of the solvent contained in the ink, in particular water is also known as evaporation.
  • the evaporation rate and the steam pressure prevailing in the steam are on the one hand u. a. also depends on the material composition of the ink and its rheological properties. On the other hand, they are in the arrangement described above, but also by the surface tension of the ink and / or by the
  • the air flow is through at least one blow nozzle unit 06; 07 provided, the respective blow nozzle unit 06; 07 expels the air flow towards the substrate 01 under machine environment conditions.
  • the blow nozzle unit 06; 07 air usually heated and / or dehumidified beforehand.
  • a heating device that is preferably regulated or at least controllable in the temperature to be set can be arranged.
  • the respective can also be arranged.
  • the relative humidity of the respective blow nozzle unit 06; 07 expelled air flow is preferably less than 65%.
  • Blow nozzle unit 06; 07 provided air flow has a flow rate of z. B. more than 25 m / s, preferably more than 30 m / s, in particular more than 50 m / s or even more than 100 m / s.
  • This air flow is at an angle of, for example, an angle starting from the support plane of the relevant substrate 01 resting on the workpiece carrier 04.
  • a blow-out opening of the respective blow nozzle unit 06; 07 is arranged at a distance of 0.1 mm to 10 mm, preferably 2 mm, above the printed surface of the substrate 01 in question.
  • the air stream 07 provided removes the vapor layer formed above the liquid phase of the ink, but shifts the respective layer onto the substrate 01
  • Inkjet printing device 02 it is advantageous to in each case immediately before and after the inkjet printing device 02 for intermediate drying of the substrate 01 in question and / or the ink applied to the surface of the substrate 01, a blow nozzle unit 06; Arrange 07 (Fig. 1).
  • the blow nozzle units 06; 07 not only in front of and behind the inkjet printing device 02, but also between individual segments and / or between different colored ones Ink-delivering nozzles of this inkjet printing device 02 are arranged to enable an even more immediate intermediate drying of the individual ink orders.
  • the ink applied to the surface of the substrate 01 is z. B. is dried by a heat input into the substrate 01 and / or in the applied ink in an intermediate drying different from the heat conduction of the workpiece carrier 04, this intermediate drying preferably by means of at least one blowing nozzle unit 06; 07 is running.
  • the substrate 01 carrying the intermediate dried ink is exposed to an i. d. R.
  • Printing process inextricably linked.
  • the intermediate drying of the ink application is supported and / or intensified in the preferred embodiment by heating the substrate 01.
  • the from the respective blow nozzle unit 06; 07, preferably jet-shaped air flow is applied to the surface of the substrate 01 and dries i. d. R. a whole area on this substrate 01. Die
  • the air flow provided determines an intensity of the drying of the ink applied to the surface of the substrate 01, this intensity being dependent on the distance from the preferably slot-shaped outlet opening of the respective blowing nozzle unit 06; 07 decreases.
  • the respective blowing nozzle unit 06; 07 decreases.
  • the intermediate drying of the relevant substrate 01 and / or the ink applied to the surface of the substrate 01 can be intensified by one or more heating devices arranged in particular in the area of the inkjet printing device 02, the respective heating device in each case e.g. B. as a radiation source in the IR or near IR range and / or as an LED emitter and z. B. in the direction of transport T of the relevant substrate 01 immediately before or after the inkjet printing device 02 inside and / or outside of the respective
  • Blow nozzle unit 06; 07 is arranged.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Ink Jet (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé d'impression d'une surface d'un substrat (01) non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre (02), selon lequel l'encre utilisée pour l'impression du substrat (01) contient de l'eau en tant que solvant, l'encre utilisée contient une proportion d'eau d'au moins 70 %, le substrat (01) à imprimer est porté par un porte-pièce (04) et déplacé par rapport au dispositif d'impression à jet d'encre (02), l'encre est appliquée sur la surface du substrat (01) à imprimer par le dispositif d'impression à jet d'encre (02) pendant ce déplacement relatif, l'encre appliquée sur la surface du substrat (01) est chauffée à une température supérieure à la température de l'air entourant le substrat (01) et inférieure au point d'ébullition du solvant contenu dans l'encre, une couche de vapeur composée du solvant contenu dans l'encre est formée au-dessus d'une phase liquide de l'encre, et la couche de vapeur formée au-dessus de la phase liquide de l'encre est évacuée par un flux d'air projeté par au moins une unité buse de soufflage (06 ; 07), l'air appliqué par l'unité buse de soufflage (06 ; 07) concernée étant préalablement chauffé ou déshumidifié. L'invention concerne également une imprimante numérique permettant la mise en œuvre dudit procédé.
EP19761852.3A 2018-10-17 2019-08-29 Procédé d'impression d'une surface d'un substrat non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre Active EP3867076B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018125750.3A DE102018125750A1 (de) 2018-10-17 2018-10-17 Verfahren zum Bedrucken einer Oberfläche eines nichtsaugenden Substrates mit einer von einer Tintenstrahldruckeinrichtung aufzubringenden Tinte
PCT/EP2019/073110 WO2020078606A1 (fr) 2018-10-17 2019-08-29 Procédé d'impression d'une surface d'un substrat non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre, et imprimante numérique permettant la mise en œuvre dudit procédé

Publications (2)

Publication Number Publication Date
EP3867076A1 true EP3867076A1 (fr) 2021-08-25
EP3867076B1 EP3867076B1 (fr) 2022-09-07

Family

ID=67809498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19761852.3A Active EP3867076B1 (fr) 2018-10-17 2019-08-29 Procédé d'impression d'une surface d'un substrat non absorbant au moyen d'une encre à appliquer par un dispositif d'impression à jet d'encre

Country Status (5)

Country Link
US (1) US11207895B2 (fr)
EP (1) EP3867076B1 (fr)
DE (1) DE102018125750A1 (fr)
ES (1) ES2929486T3 (fr)
WO (1) WO2020078606A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3960479B8 (fr) 2020-08-24 2023-07-12 SWISS KRONO Tec AG Procédé d'impression de la surface d'une pièce dotée d'un décor et dispositif correspondant
EP4190577A1 (fr) * 2021-12-03 2023-06-07 Dover Europe Sàrl Agencements et procédés pour le séchage d'encre imprimée

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5595823B2 (ja) 2010-07-30 2014-09-24 富士フイルム株式会社 画像形成方法及び画像形成装置
CH703704A1 (de) 2010-09-14 2012-03-15 Hoffmann Neopac Ag Druckvorrichtung und Verfahren zum Bedrucken von Flächengebilden.
JP2013146925A (ja) 2012-01-19 2013-08-01 Seiko Epson Corp インクジェット記録方法、インクジェット記録装置、記録物
JP5862324B2 (ja) * 2012-01-25 2016-02-16 セイコーエプソン株式会社 液体噴射装置
DE102012017538A1 (de) 2012-09-05 2014-03-06 Heidelberger Druckmaschinen Ag Verfahren zum Bebildern und/oder Lackieren der Oberfläche von Gegenständen
EP2988946B1 (fr) * 2013-04-24 2017-08-16 OCE-Technologies B.V. Procédé d'impression
JP6207245B2 (ja) * 2013-06-14 2017-10-04 キヤノン株式会社 プリント方法および装置
DE102014207709B4 (de) 2014-04-24 2017-10-12 Koenig & Bauer Ag Verfahren zum Bedrucken eines Bedruckstoffs mittels wenigstens eines Tintenstrahldruckkopfes
JP6258520B2 (ja) * 2014-11-05 2018-01-10 富士フイルム株式会社 画像記録方法及び画像記録物
US9573349B1 (en) 2015-07-30 2017-02-21 Eastman Kodak Company Multilayered structure with water-impermeable substrate
EP3363644B1 (fr) 2017-02-21 2023-05-03 Seiko Epson Corporation Procédé d'enregistrement et appareil d'enregistrement
JP6844302B2 (ja) * 2017-02-22 2021-03-17 セイコーエプソン株式会社 インクジェット記録方法およびインクジェット記録装置の制御方法
JP6963741B2 (ja) * 2017-03-16 2021-11-10 株式会社リコー インク付与方法及び壁紙の製造方法

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ES2929486T3 (es) 2022-11-29
WO2020078606A1 (fr) 2020-04-23
DE102018125750A1 (de) 2020-04-23
US11207895B2 (en) 2021-12-28
EP3867076B1 (fr) 2022-09-07

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