EP2942201B1 - Procédé de fabrication de papier décoratif et dispositif d'impression numérique pour la mise en oeuvre du procédé - Google Patents

Procédé de fabrication de papier décoratif et dispositif d'impression numérique pour la mise en oeuvre du procédé Download PDF

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Publication number
EP2942201B1
EP2942201B1 EP15169902.2A EP15169902A EP2942201B1 EP 2942201 B1 EP2942201 B1 EP 2942201B1 EP 15169902 A EP15169902 A EP 15169902A EP 2942201 B1 EP2942201 B1 EP 2942201B1
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EP
European Patent Office
Prior art keywords
printing
paper
ink
printing paper
heating
Prior art date
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EP15169902.2A
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German (de)
English (en)
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EP2942201A2 (fr
EP2942201A3 (fr
Inventor
Udo Tünte
Richard Schwitte
Frank Petersen
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.)
Flooring Industries Ltd SARL
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Flooring Industries Ltd SARL
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Application filed by Flooring Industries Ltd SARL filed Critical Flooring Industries Ltd SARL
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Publication of EP2942201A3 publication Critical patent/EP2942201A3/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices 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
    • B41J11/0015Devices 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
    • B41J11/002Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0021Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00216Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation using infrared [IR] radiation or microwaves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices 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
    • B41J11/0015Devices 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
    • B41J11/002Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0022Curing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/18Particular kinds of wallpapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0011Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/009After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat

Definitions

  • the invention relates to a method for producing decorative paper for use in flat components, in particular for floor, wall, ceiling or furniture applications, wherein printing paper is printed with a decoration using a digital printing process using a digital printing device using printing ink and in this way the decorative paper results.
  • a method of the type mentioned and a related printing device are already from EP 1 749 676 A1 known. The known method is used to digitally print printing paper that is used to produce flat components such as covering boards, panels and the like.
  • the aim is to provide an inkjet printing process, in which the print result on the surface of the objects to be printed should meet the highest quality requirements in terms of appearance.
  • a paper web that is absorbent for liquid synthetic resin along its entire thickness is soaked with liquid synthetic resin from one side in such a way that the synthetic resin does not completely penetrate the paper web, so that the other side of the paper web is at least largely free of synthetic resin.
  • the known method is intended to create surfaces that are optimally adapted to the known printing result by the selection of the paper and the colored liquid and, if necessary, a pretreatment of the surface to be printed.
  • the object of the present invention is to provide a decorative paper for flat components that has a high print quality and can be produced easily and inexpensively using a corresponding method using a corresponding device.
  • a method according to claim 1 is provided to solve the aforementioned problem.
  • the method relates to the use of a printing paper printed with a decor as decor paper for flat components, in particular for floor, wall, ceiling or furniture applications.
  • the invention represents a departure from the prior art since, despite the additional expense, it was previously considered necessary to use the printed paper layer at least partially with resin and/or with an ink-absorbing layer for applications as decorative paper.
  • the invention provides that a non-resinous printing paper that is free of an ink-receiving layer on the printing side is used for printing and that the printing paper is during and/or after printing and/or the printing ink is heated immediately after application to the printing paper.
  • a conventional gravure paper without a coating is used for digital printing.
  • the aforementioned problem can be solved by heating the printing ink immediately after application to the printing paper, and optionally the printing paper before, during and/or after printing .
  • This heating causes the ink on the printing paper to dry very quickly, so that, depending on the type of paper and the heating temperature, the above-mentioned problems do not occur or occur only slightly.
  • the printing result is almost as good as when using a printing paper with an ink absorbing layer.
  • the aforesaid heating results in an immediate drying of the ink on the print paper once the ink has been discharged from the printhead and applied to the top surface of the print paper.
  • the present invention results in the essential advantage that neither an expensive partial resination before printing nor the application of an ink-receiving layer is required, so that the printing paper to be used in the invention is very inexpensive.
  • the printing paper is heated from the upper and/or lower side of the printing paper.
  • the drying/heating should preferably be carried out at a temperature above 35°C, in particular between 40°C and 60°C. Very good results, which on the one hand lead to quick drying and on the other hand do not affect the print, have been achieved at temperatures between 49 °C and 54 °C.
  • the achievement of an optimal print result also depends on the droplet size or droplet weight of the printing ink on the one hand and the printing speed on the other.
  • the droplet size of the printing ink during printing is between 4.0 ng and 50 ng, while the printing speed is greater than 3 m 2 /h.
  • the printing speed is preferably between 4 and 50 m 2 /h and in particular between 6 and 30 m 2 /h.
  • the printing paper is heated in a drying room which is located inside a housing which houses the printing device, i. H. surrounds the actual digital printer of the printing device.
  • a housing which houses the printing device, i. H. surrounds the actual digital printer of the printing device.
  • this is a narrow, elongated housing that roughly corresponds to the dimensions of the printer, which ultimately limits the thermal energy applied during heating to the area of the printer and the printing paper located there.
  • the air inside the drying chamber is permanently circulated during the heating. Circulation is also understood to mean that fresh air is supplied and air laden with moisture is discharged.
  • a digital printing device is provided with at least one heating device for heating the printing paper before, during and/or after printing and/or for heating the ink after it has been applied to the printing paper.
  • the heating device extends at least essentially over the width of the paper guide, so that the printing paper experiences uniform heating over its entire width.
  • the first heating device should be an IR heater, in particular an NIR heater, or a microwave heater that acts directly on the water content of the printing ink.
  • a blower for supplying fresh air. It makes sense to arrange the fan above the heating device, with the fan blowing out downwards, i. H. aimed directly at the ink just applied.
  • at least one correspondingly aligned guide plate is preferably provided.
  • a thermal protection cover that can be moved with the printer carriage is provided on the printer carriage.
  • the thermal protection cover is ultimately adapted to the shape and dimensions of the printer carriage and any components connected thereto, such as ink tank cartridges.
  • a further heating device for preheating the printing paper on the underside in the substructure in the area of the paper currency, at least in the conveying direction of the printing paper in front of the print head.
  • this is a kind of floor heating that heats and preheats the printing paper from below. The pre-heating leads to faster fixation of the ink applied to the printing paper.
  • the use of the above-mentioned housing, which serves to enclose at least some areas of the printing device together with the heating device, has proven to be particularly expedient.
  • the housing is preferably closed at the top and bottom and at the front and rear.
  • the area between the paper guide and the housing forms a drying space in which the heated air is circulated due to the fan effect. This leads not only to a heating of the area of the printing paper which has just been printed, but also to a preheating of the printing paper which has not yet been printed from above.
  • the housing and thus the drying space are open at the front, at least in certain areas.
  • the digital printing device 1 has a substructure 2 with a paper guide 3 for printing paper 4 . Furthermore, the digital printing device 1 has a carriage guide 5 which is fastened to the substructure 2 . The carriage guide 5 extends over the entire width of the substructure 2 and is located above the paper guide 3. A printer carriage 6 can be moved along the carriage guide 5. Connected to the printer carriage 6 is an ink tank 7, which can have a corresponding number of printing colors. Not shown is that the printer carriage 6 has at least one print head for spraying ink/ink onto the printer paper transported through the digital printing device 1.
  • a paper feed 8 is connected upstream of the digital printing device 1, while a paper discharge 9 is connected downstream.
  • the printing paper 4 is fed to the paper feed 8 in roll form, printed in the digital printing device 1 and rolled up again as decorative paper at the paper discharge 9 .
  • the rolled-up, printed printing paper 4 or decorative paper is removed from the paper outlet 9 and generally coated with resin.
  • the printing paper is then cut to the desired blanks and finally pressed with appropriate panels to form flat components for floor, wall, ceiling and/or furniture applications.
  • two heating devices 10, 11 are provided for heating the printing paper 4 before, during and after printing and for heating the printing ink after it has been applied to the printing paper 4. It goes without saying that it is fundamentally also possible to provide further heating devices, for example in the area of the paper feed or between the paper feed and the digital printing device 1 .
  • the heating devices 10, 11 both extend at least essentially over the entire width of the paper guide 3.
  • the heating devices 10, 11 thus ultimately run transversely to the conveying direction F. Since the paper guide 3 can have a maximum width of more than 3 m, the two Heating devices 10, 11 a corresponding length.
  • the heating device 10 is arranged behind the print head or print heads in the conveying direction F and is primarily used to dry the printing ink after it has been applied to the upper side of the printing paper 4.
  • the heating device 10 is designed as an IR heater, which has a fan 12 assigned to the fresh air supply.
  • the fan 12 itself, the length of which corresponds at least essentially to the length of the heating device 10, is arranged above the heating device 10, with both structural units in turn being arranged above the printing carriage 6.
  • the blowing direction of the fan 12 is directed vertically downwards.
  • at least one guide plate 13 is provided, which is directed vertically downwards.
  • the heating device 10 and the blower 12 are only a few centimeters behind the print head of the printer carriage 6 in the conveying direction F in order to be able to dry the applied printing ink immediately after it has been applied to the printing paper 4 .
  • the heating device 10 is located in the vertical direction at least in certain areas above the printer carriage 6, and the printer carriage 6 is thus directly exposed to the thermal influence of the heating device 10, there is a heat protection cover 14 above the printer carriage 6 and also above the ink tank 7, which is angled or is stepped and thermally insulates the surfaces of the printer carriage 6 and the ink tank 7 that are directly adjacent to the heating device 10 .
  • the width of the thermal protection cover 14 corresponds at least essentially to the width of the printer carriage 6 .
  • the thermal protection cover 14 is firmly connected to the printer carriage 6 and can be moved with it.
  • the further heating device 11 In the substructure 2 of the digital printing device 1, in the area of the paper guide 3 in the conveying direction F of the printing paper 4, in front of the printer head, there is the further heating device 11, which is provided for preheating the printing paper 4 on the underside.
  • the further heating device 11 extends in the conveying direction F only up to just before the printer carriage 6.
  • the further heating device 11 it is in principle also possible for the further heating device 11 to extend over a larger area of the paper guide 3, i. H. to under the printer carriage 6 through, can extend.
  • the digital printing device 1 is arranged together with the heating device 10 in a housing 15 at least in certain areas.
  • the housing 15 extends at least substantially over the entire width of the digital printing device 1 and thus ultimately runs transversely to the conveying direction F. Except for a slot, not shown in detail, for passing through the printing paper 4, the present housing 15, which is rectangular in cross section, is closed at the top and bottom as well as at the front and rear. This results in a drying space 16 between the paper guide 3 and the inside housing 15.
  • the housing 15 and thus the drying space 16 are open at the front at least in certain areas.
  • a facing 17 is shown.
  • the blind 17 ends above the printer carriage 6 so that it is accessible if necessary.
  • a corresponding facing is provided on the opposite side.
  • the housing 15 itself has a width of between 40 cm and 50 cm and a height of between 50 cm and 60 cm with a length that corresponds approximately to the length of the digital printing device 1.
  • the length of the digital printing device 1 is about 2.5 m, while the width of the paper feed is about 2.1 m.
  • a temperature of approximately 52° C. is applied during pressing via the heating device 10 and a temperature of approximately 50° C. via the further heating device 11 .
  • the further heating device 11 supports the drying of the printing ink after it has been applied to the upper side of the printing paper 4 by preheating the printing paper 4 on the underside.
  • the printing paper 4 itself is an unresined paper without an ink receiving layer on the printing side, on which the printing ink would run without drying and which, due to the high water content of the printing ink 4, would expand without drying and then curl, which would make further processing impossible .

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Ink Jet (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Printing Methods (AREA)

Claims (5)

  1. Procédé destiné à la fabrication de papier de décoration pour son utilisation dans le cadre d'éléments de construction de forme plate, en particulier pour des utilisations concernant des sols, des murs, des plafonds ou des meubles; dans lequel on imprime un papier d'impression (4), qui peut être enduit d'une résine, avec une décoration au moyen d'un procédé d'impression numérique par l'intermédiaire d'un dispositif d'impression numérique (1) au moyen d'une encre d'impression ; dans lequel, à des fins d'impression, on utilise un papier de décoration (4) qui n'a pas été enduit d'une résine et qui est exempt d'une couche de réception d'encre du côté de l'impression, sous la forme d'un papier d'impression en creux sans trait ; dans lequel, à titre d'encre d'impression, on utilise de l'encre aqueuse ; dans lequel un dispositif d'alimentation du papier (8) est monté en amont du dispositif d'impression numérique (1), tandis qu'un dispositif d'évacuation du papier (9) est monté en aval et le papier d'impression est acheminé sous la forme d'un rouleau au dispositif d'alimentation du papier (8), est imprimé dans le dispositif d'impression numérique (1) et est à nouveau enroulé sous la forme d'un papier de décoration contre le dispositif d'évacuation du papier (9) ; et dans lequel l'encre d'impression est chauffée directement après son application sur le papier d'impression (4) ; dans lequel le poids des gouttes de l'encre d'impression lors l'impression se situe entre 4,0 ng et 50,0 ng ; et dans lequel la vitesse d'impression est supérieure à 3 m2/h.
  2. Procédé conformément à la revendication 1, caractérisé en ce que le chauffage du papier d'impression (4) a lieu à partir du côté supérieur et/ou du côté inférieur du papier d'impression (4) et/ou en ce que le séchage est mis en œuvre à une température qui est supérieure à 35 °C, en particulier qui se situe entre 40 °C et 60 °C.
  3. Procédé conformément à l'une quelconque des revendications précédentes, caractérisé en ce que l'encre d'impression est séchée directement après son application sur le papier d'impression avec un premier mécanisme de séchage qui est disposé dans la direction de transport du papier d'impression derrière une tête d'impression ; dans lequel, en ce qui concerne le premier mécanisme de chauffage, il s'agit d'un chauffage par rayons infrarouges, d'un chauffage dans l'infrarouge proche ou d'un chauffage par micro-ondes ; et en ce que le premier mécanisme de chauffage est soutenu par une soufflerie destinée à alimenter de l'air frais.
  4. Procédé conformément à l'une quelconque des revendications précédentes, caractérisé en ce que le chauffage du papier d'impression a lieu à partir du côté supérieur et/ou du côté inférieur du papier d'impression et est mis en œuvre à une température qui est supérieure à 35 °C.
  5. Procédé conformément à l'une quelconque des revendications précédentes, caractérisé en ce que le chauffage du papier d'impression (4) a lieu dans une chambre de séchage (16) qui forme un logement (15) qui entoure le dispositif d'impression numérique (1) ; et en ce que, de préférence, l'air qui règne au sein de la chambre de séchage (16) est remis en circulation en permanence au cours du chauffage.
EP15169902.2A 2008-07-02 2009-05-29 Procédé de fabrication de papier décoratif et dispositif d'impression numérique pour la mise en oeuvre du procédé Active EP2942201B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008030955A DE102008030955B3 (de) 2008-07-02 2008-07-02 Verwendung eines mit einem Dekor bedruckten Druckpapiers für flächige Bauteile
EP09772060.1A EP2293947B2 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats
PCT/EP2009/003851 WO2010000360A1 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP09772060.1A Division-Into EP2293947B2 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats
EP09772060.1A Division EP2293947B2 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats

Publications (3)

Publication Number Publication Date
EP2942201A2 EP2942201A2 (fr) 2015-11-11
EP2942201A3 EP2942201A3 (fr) 2015-12-30
EP2942201B1 true EP2942201B1 (fr) 2022-10-05

Family

ID=40996680

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09772060.1A Active EP2293947B2 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats
EP15169902.2A Active EP2942201B1 (fr) 2008-07-02 2009-05-29 Procédé de fabrication de papier décoratif et dispositif d'impression numérique pour la mise en oeuvre du procédé

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09772060.1A Active EP2293947B2 (fr) 2008-07-02 2009-05-29 Utilisation d'un papier imprimé d'un décor sur des éléments plats

Country Status (9)

Country Link
EP (2) EP2293947B2 (fr)
DE (1) DE102008030955B3 (fr)
DK (1) DK2293947T3 (fr)
ES (1) ES2557596T5 (fr)
HR (1) HRP20160010T1 (fr)
HU (1) HUE025840T2 (fr)
PL (1) PL2293947T5 (fr)
PT (1) PT2293947E (fr)
WO (1) WO2010000360A1 (fr)

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DE102008030955B3 (de) 2008-07-02 2009-11-19 Hülsta-Werke Hüls Gmbh & Co. Kg Verwendung eines mit einem Dekor bedruckten Druckpapiers für flächige Bauteile
EP2865528B1 (fr) * 2013-10-22 2018-01-31 Agfa Nv Fabrication de surfaces décoratives par impression à jet d'encre
JP6962001B2 (ja) * 2017-02-21 2021-11-05 セイコーエプソン株式会社 記録方法及び記録装置
EP3363644B1 (fr) 2017-02-21 2023-05-03 Seiko Epson Corporation Procédé d'enregistrement et appareil d'enregistrement
DE102017216720A1 (de) * 2017-09-21 2019-03-21 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Wellpappeanlage
EP4086081A1 (fr) * 2021-05-07 2022-11-09 Swiss Krono TEC AG Procédé d'impression numérique

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Publication number Priority date Publication date Assignee Title
DE69303537T2 (de) * 1992-05-01 1996-12-12 Hewlett Packard Co Vorheizwalze für einen thermischen Tintenstrahldrucker
EP1749676A1 (fr) * 2005-08-03 2007-02-07 Jörg R. Bauer Procédé et dispositif de fabrication d'une surface d'impression, en particulier pour jet d'encre, feuille de papier et article.

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Publication number Publication date
EP2293947B2 (fr) 2023-09-20
EP2942201A2 (fr) 2015-11-11
DK2293947T3 (en) 2016-01-25
PL2293947T5 (pl) 2024-01-15
PT2293947E (pt) 2016-01-28
ES2557596T5 (es) 2024-05-03
HRP20160010T1 (hr) 2016-02-12
EP2293947A1 (fr) 2011-03-16
ES2557596T8 (es) 2019-01-16
ES2557596T3 (es) 2016-01-27
PL2293947T3 (pl) 2016-04-29
HUE025840T2 (en) 2016-05-30
WO2010000360A1 (fr) 2010-01-07
EP2942201A3 (fr) 2015-12-30
DE102008030955B3 (de) 2009-11-19
EP2293947B1 (fr) 2015-10-21

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