EP2544902B1 - Verfahren und vorrichtung zur herstellung eines plattenförmigen produktes mit einer ein dekor aufweisenden oberfläche - Google Patents

Verfahren und vorrichtung zur herstellung eines plattenförmigen produktes mit einer ein dekor aufweisenden oberfläche Download PDF

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Publication number
EP2544902B1
EP2544902B1 EP11700660.1A EP11700660A EP2544902B1 EP 2544902 B1 EP2544902 B1 EP 2544902B1 EP 11700660 A EP11700660 A EP 11700660A EP 2544902 B1 EP2544902 B1 EP 2544902B1
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EP
European Patent Office
Prior art keywords
decoration
printed
printing
digital
print head
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
EP11700660.1A
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German (de)
English (en)
French (fr)
Other versions
EP2544902A1 (de
Inventor
Raimund Hagspiel
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.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
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.)
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Publication date
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Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL11700660T priority Critical patent/PL2544902T3/pl
Publication of EP2544902A1 publication Critical patent/EP2544902A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/24—Pressing or stamping ornamental designs on surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/0461—Ornamental plaques, e.g. decorative panels, decorative veneers used as wall coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F11/00—Designs imitating artistic work
    • B44F11/04—Imitation of mosaic or tarsia-work patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/02—Designs imitating natural patterns wood grain effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/04—Designs imitating natural patterns of stone surfaces, e.g. marble
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels

Definitions

  • the invention relates to a method for producing a plate-shaped product with a surface having a decor, in which on a base body, which is formed from a carrier plate made of wood material, made of laminate and / or from a compact plate, by means of at least one printing cylinder unit a decor is printed, According to the preamble of claim 1. Furthermore, the invention relates to an apparatus for producing a plate-shaped product having a decorative surface, with at least one printing roller for printing a decoration on a base body, which consists of a carrier plate of wood material, of laminate and / or is formed from a compact plate, according to the preamble of claim 11.
  • Roller printing processes are well suited for the production of large quantities of decorative panels due to their high printing speed.
  • roller printing processes typically result in the repetition of the printed decoration.
  • the frequency of repetition of the decoration can basically only be influenced by the diameter and the length of the pressure rollers.
  • both parameters can not be varied arbitrarily, but are limited for technical reasons.
  • digital printing methods basically have an unlimited possibility to customize the decor. The possibility of individualization essentially depends only on the storage capacity made available for holding the digital decor data, the currently available computer performance and the creative performance of the decor developers.
  • digital printing methods are comparatively expensive since the quantity output achievable with a digital printing system is limited and relatively low.
  • a method for producing a decorative surface coating in which a first printing layer is produced by means of a printing drum unit and a subsequent second printing layer by means of a digital printing head.
  • the print layers are printed directly onto a substrate, for example a support plate, or initially printed on a paper or a film, which is then glued to a substrate, for example a support plate.
  • the present invention has for its object to provide a method and an apparatus of the type mentioned above, which offer an unlimited possibility for customization of the decor at relatively high flow rate or low production costs.
  • inventive method wherein by means of at least one printing roller work a decor on one of a Support plate made of wood material, laminate and / or printed compact disk is printed, and is printed by means of at least one digital printhead at least one decorative element on one or more portions of the body, so that the printed by means of at least one printing roller unit decor at least partially visible remains or, if the at least one decorative element is printed by means of the at least one digital printhead in front of the decor on the body that surrounds at least one decorative element is characterized in that the at least one digital printhead is moved with the main body in the feed direction.
  • the device according to the invention which has at least one printing roller unit for printing a decoration on a main body formed of a wooden board, laminate and / or compact panel, accordingly comprises at least one digital printhead for printing at least one decorative element on one or more partial areas of the main body, so that the decor printed by means of the at least one printing roller unit remains at least partially visible or, provided that the at least one decorative element by means of the at least one digital print head in time before the decoration on the base body is printed, which surrounds at least one decorative element, and is characterized in that the at least one digital print head with the main body in the feed direction is movable.
  • the invention is thus based on the idea of combining intaglio and digital printing with one another in order to produce plate-shaped base bodies, in particular wood-based panels, for example as floorboards, with a surface having a decoration.
  • a digital printing system for full-surface printing of the top of a carrier plate has a relatively low printing speed.
  • the at least one digital print head is only used for partial printing of the upper side of a plate-shaped main body or a carrier plate, so that the printing speed and thus the performance is higher than in a system which exclusively uses digital printing.
  • the colors required for a digital printing system cost a multiple of the printing inks that can be used in generic gravure printing systems. Compared to a digital printing system for full-surface printing of the top of a support plate, the device according to the invention thus characterized by much cheaper consumption costs.
  • a further advantage of the solution according to the invention results in relation to an already existing engraved printing roll in that the decoration printed by means of the printing roll is varied by means of the at least one digital printing head.
  • a ship bottom decoration printed by means of an already existing pressure roller can be provided with longitudinal and transverse lines, in order to reinforce the joint optics of the ship bottom decoration.
  • An advantageous embodiment of the invention is characterized in that the printing position of the at least one decorative element is predetermined on the surface to be provided with the decor according to a random principle.
  • the decoration element may be the representation of a branch or another typical wood feature in a wood decor. In this way, in particular wooden floorboards can be imitated, with a repetition of identical-looking wooden floorboards is excluded by the random positioning of the decorative element or branch.
  • a further advantageous embodiment of the invention provides that the at least one decorative element is selected from a group of decorative elements according to a random principle.
  • a wood decor for example a pine decor
  • a carrier plate of wood-based material By means of a subsequent digital printing then areal limited decor elements, for example branches, printed on serving as a basis wood decor of the support plate. If one now the digital data of a variety of visually different decorative elements or
  • each individual plank can be designed in such a way that it is impossible or almost impossible to find two identical planks among the planks produced in this way.
  • a certain type of decorative element for example of Astab Strukturen
  • another type of another decorative element for example, other "wood defects" and / or different signs of wear, such as mats, the number of variants can be further increased.
  • the application of the present invention is not limited to wood designs.
  • the number of variants of wood-based panels printed with stone, tile or other fantasy decors can also be increased with the method according to the invention.
  • a natural stone decor printed by means of roller printing gravure printing
  • a further advantageous embodiment of the method according to the invention is characterized in that by means of the at least one pressure roller mill one or more partial surfaces of the surface to be provided with the decor be printed, and that one or more by means of the at least one printing cylinder unit not printed partial areas are printed by means of the at least one digital printhead.
  • This embodiment is particularly advantageous if the at least one decorative element, which is printed by means of the at least one digital print head, has a relatively large surface area and would conceal a corresponding partial area of a previously printed decoration. Because by the partial area, which is printed after the roller printing by means of the at least one digital printhead, previously omitted in the roller pressure, ink can be saved in the roller printing.
  • the at least one pressure roller unit comprises at least one pressure roller, in particular gravure roller or blanket roller, which contains in its lateral surface at least one recess for producing a non-printed area on the plate-shaped base body or the carrier plate.
  • this design also includes the ability to vary the order of roller printing and digital printing, i. the roller pressure does not necessarily have to be performed before the digital printing in this embodiment; If required, it can also be carried out after digital printing. Furthermore, this embodiment enables an arrangement of the at least one digital printhead between two printing roller units which execute the roller printing.
  • a further advantageous embodiment of the invention is that a plurality of print heads in the feed direction of the Basic body are arranged one behind the other.
  • This embodiment makes it possible to realize a high feed rate of the main body during its printing, wherein the digital printheads, which usually work more slowly than a printing roll mill, each imprint a part of the decoreement to be printed digitally.
  • This division of responsibilities, in which each digital print head takes over a part of the digital printing work, the feed rate of the base body to be printed can be increased.
  • Fig. 1 is a device or system 1 for the production of plate-shaped products, for example, presented by floor, wall or ceiling panels with a decorative surface.
  • a plurality of plate-shaped base bodies 2 are arranged on a conveyor belt 3, which are supplied individually in series to different processing stations 4, 5, 6, 7 and 8.
  • the transport direction of the base body 2 is in Fig. 1 indicated by an arrow and runs from left to right.
  • a plurality of individual base body 2 can also be a large-scale workpiece or an endless manufactured workpiece are processed, which is divided into individual plates (blanks) after the processing described below.
  • the workpiece or the basic body 2 are made of a carrier plate of wood material, of laminate and / or of at least one compact plate.
  • Compact panels are made of resin-impregnated cellulosic sheets, which are pressed under high pressure and at high temperatures in laminate presses.
  • the base bodies 2 are ground wood-based panels, for example chipboard, medium density fiberboard (MDF), high density fiberboard (HDF) or hardboard.
  • filler is applied by means of (not shown) applicator rollers in several stages, wherein after each stage, an intermediate drying takes place.
  • a primer held in the basic color shade of a subsequently printed decoration is then in turn applied by means of rollers (not shown), partial drying taking place again after each application.
  • the primed plate-shaped base body 2 is smoothed. This is preferably carried out by means of heated, polished steel rollers (not shown), which are pressed against the base body 2 at a peripheral rotational speed which is greater or lower than the feed speed of the base body 2 over the width of the base body 2 operate.
  • the thus treated plate-shaped base body 2 has over its entire upper surface in a color, gloss level and structure even or uniform surface.
  • each of an engraved printing roller (printing cylinder) 4.11, 5.11 with inking and dampening rollers and a blanket cylinder 4.12, 5.12 with impression cylinder (not shown) are constructed, a decor , preferably a wood decor printed.
  • This printing process is also referred to as indirect gravure printing.
  • the printing cylinder units 4.1, 5.1 are post-processing devices 4.2, 5.2 arranged downstream.
  • the respective post-processing device 4.2, 5.2 can, for example, by means of a hot air flow or by means of electromagnetic radiation, in particular UV radiation cause drying or partial drying of the printed color.
  • the device or system 1 may optionally also have only a single printing cylinder unit 4.1 or 5.1.
  • At least one decorative element is printed on one or more partial areas of the plate-shaped main body 2 by means of at least one digital print head 6.1, so that the previously printed decor remains at least partially visible or the previously printed decor surrounds the decorative element.
  • the digital printhead 6.1 operates, for example, on the principle of the jet printing technology, which is widely used in so-called inkjet printers.
  • Fig. 1 below the digital applicator 6.1, a short line is drawn indicating a droplet jet or a plurality of droplets positioned in series.
  • the digital application device 6.1 is designed in such a way that it prints one or more decorative elements on the base body in places or in rows transversely to the direction of movement of the base body 2. This digital printing does not print completely, but only partially.
  • the digital print head 6.1 can be printed in one color or multi-color.
  • the digital printhead 6.1 may be equipped with a color cartridge containing a single color or colored ink.
  • the digital print head 6.1 can also be provided with one or more color cartridges that comprise or form a plurality of chambers with different inks or colors, for example containing the colors yellow, blue and red as primary colors, so that the digital print head 6.1 in one Pass also several or different colors can print at the same time.
  • the decorative elements are, for example, images of branches (ie branch cross-sections), inclusions, adhesions, grain defects, grain tufts, annual rings, representations of light sapwood, feeding passages (eg woodworm holes / holes), nail and / or screw heads, etc.
  • the decorative elements may also be inclusions or other distinctive locations of stone or fantasy decors.
  • logos are understood.
  • the logos are, for example, company names, word markers, slogans, imprints, as they are customary on cargo boxes, etc.
  • a computer 6.2 as means for generating a dot distribution for driving the digital application device 6.1 is connected to the same.
  • the computer 6.2 processes digital control information and transmits it to the digital printhead 6.1.
  • the image data of different variants of said decorative elements and / or logos are stored in a data memory 6.3 of the computer 6.2. Furthermore, the computer 6.2 is provided with a random number generator 6.4.
  • the random number generator 6.4 is used to different variants of one or more decorative elements, e.g. Branches and bright sapwood parts to select at random and to specify the position of the respective decorative element on the support plate 2 in the X and / or Y direction also according to a random principle.
  • the computer can not only randomly select a decorative element from a variety of decorative elements, but also modify a decorative element, in particular can alienate.
  • a decorative element in particular can alienate.
  • the shape of an elliptical decorative element by varying the length of the main and / or Subordinate axis of the ellipse to be modified.
  • the invention also includes an embodiment in which the computer can even produce decorative elements according to a random principle, for example geometric shapes such as a circle, a square, triangles, trapezoids, polygons, or lines or even complex decorative elements.
  • a sealing layer wear protection layer
  • a UV-curable, transparent lacquer coating is applied in at least two stages.
  • the sealing lacquer contains corundum particles and / or other abrasion resistance-increasing particles. If the decorative base bodies or plates 2 to be produced are those which are not subjected to high abrasion stress, for example furniture parts, in particular rear panels for cabinets, then the sealing lacquer may also be free of corundum particles or other particles which increase the abrasion resistance.
  • a substantially full-surface coating of a UV-curable, transparent sealing lacquer is applied.
  • the Processing station 7 on an applicator roller 7.1, which applies a uniform layer of paint on the top of the base body 2.
  • the applied coating is at least partially dried and cured.
  • a coating of a UV-curable, transparent sealing lacquer is applied directly by means of an applicator roller 8.1, in which case the application quantity varies with respect to the surface of the plate. This leads to a possibly intended three-dimensional structuring of the upper lacquer layer.
  • the last applied coating is at least partially cured, so that the three-dimensional structuring is fixed before it cancels due to bleeding.
  • the entire upper side of the plate-shaped basic body 2 can first be provided with a decoration, for example wood or stone decor, whereupon one or more individual surface areas of the respective basic body 2 are additionally printed with the at least one digital printer 6.1.
  • a decoration for example wood or stone decor
  • the invention provides that with the roller printing method only a certain surface area of the respective base body 2 is printed and that the one or the non-printed areas are printed by at least one digital printer 6.1.
  • a printing drum unit has at least one pressure roller, in particular blanket roller 5.12, which contains in its lateral surface at least one recess 5.13 for producing a non-printed area 2.1 on the plate-shaped basic body 2.
  • the pressure roller 5.12 is followed by a digital printer 6.1, which is connected to a controller 6.2 having a random number generator 6.2, wherein the controller selects or generates a decorative element to be printed in the plate area 2.1 from a group of decorative elements according to a random principle.
  • Outlined Art can be created in combination with a digital printer 6.1, for example, Fantasy decors with a stone or tile pattern in which a generated by the pressure roller 5.12 base decor by decorative tiles, ornaments, marquetry, logos, etc., in the initially unprinted areas 2.1 means printed, completed or completed.
  • a digital printer 6.1 for example, Fantasy decors with a stone or tile pattern in which a generated by the pressure roller 5.12 base decor by decorative tiles, ornaments, marquetry, logos, etc., in the initially unprinted areas 2.1 means printed, completed or completed.
  • a picture of a pebble surface, coffee bean bed, etc. can with a device according to Fig. 2
  • the decor can be varied by the otherwise regular ornament arrangement on the platen roller (gravure roller or blanket cylinder 5.12) is deliberately provided with recesses (or engraving zones) 5.13, wherein in the generated by these engraving zones 2.1 areas of the plate-shaped base body 2 into modified ornaments be printed to the digital printer 6.1, for example, in a different color or in a different orientation or distorted, etc.
  • Fig. 3 an embodiment of a device according to the invention is shown, wherein at least one digital print head 6.1 a blanket roller 5.12 of a printing cylinder plant 5.1 is assigned.
  • the digital printer 6.1 prints on the blanket roller 5.12, which transfers the applied by means of the digital print head 6.1 decorative element on the base body 2 to be printed.
  • the decor thus applied is at least partially dried by means of the downstream finishing device 6.5.
  • a device 1 With a device 1 according to Fig. 1 in particular, it is possible to print a decor as a multicolored decor, with each of the printing cylinder units 4.1, 5.1 a different color of the decor is printed on the base body 2, and wherein a color of the multicolored decoration by means of the at least one digital printhead having 6.1 digital Printing station 6 is printed on the base body 2.
  • various wood designs types of wood
  • wood can be printed, at least as long as the wood species in their typical basic structure (grain) are not too different. This saves considerable set-up times, whereby the required color change alone can be carried out comparatively easily and quickly.
  • Fig. 4 is shown in plan view a plate 2 produced by the inventive method with a decorative surface having.
  • the plate 2 has a Holzdielendekor 2.2, which was produced by means of pressure rollers 4.1, 5.1.
  • the plate 2 on its surface decorative elements 2.3 in the form of branches, which were generated by means of at least one digital printhead 6.1.
  • the Shape and / or size of branches 2.3 as well as their position on the surface were determined randomly.
  • the at least one digital print head 6.1 is connected to a controller 6.2 having a random number generator 6.4 (cf. Fig.
  • Fig. 5 schematically shows a plate 2 'produced by the inventive method, which also has a Holzdielendekor 2.2', which was produced by means of pressure rollers 4.1, 5.1. Further, the plate 2 'on its surface a logo 2.4, which was generated by means of a digital print head 6.1.
  • a device according to Fig. 2 but also devices according to the FIGS. 1 and 3 ,

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Printing Methods (AREA)
EP11700660.1A 2010-03-09 2011-01-19 Verfahren und vorrichtung zur herstellung eines plattenförmigen produktes mit einer ein dekor aufweisenden oberfläche Active EP2544902B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11700660T PL2544902T3 (pl) 2010-03-09 2011-01-19 Sposób i urządzenie do wytwarzania produktu w postaci płyty z powierzchnią mającą wzór dekoracyjny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010010784.0A DE102010010784C5 (de) 2010-03-09 2010-03-09 Verfahren und Vorrichtung zur Herstellung eines plattenförmigen Produktes mit einer ein Dekor aufweisenden Oberfläche
PCT/EP2011/050671 WO2011110373A1 (de) 2010-03-09 2011-01-19 Verfahren und vorrichtung zur herstellung eines plattenförmigen produktes mit einer ein dekor aufweisenden oberfläche

Publications (2)

Publication Number Publication Date
EP2544902A1 EP2544902A1 (de) 2013-01-16
EP2544902B1 true EP2544902B1 (de) 2017-05-24

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EP11700660.1A Active EP2544902B1 (de) 2010-03-09 2011-01-19 Verfahren und vorrichtung zur herstellung eines plattenförmigen produktes mit einer ein dekor aufweisenden oberfläche

Country Status (9)

Country Link
US (1) US9487044B2 (pl)
EP (1) EP2544902B1 (pl)
CA (1) CA2792446C (pl)
DE (1) DE102010010784C5 (pl)
ES (1) ES2635113T3 (pl)
PL (1) PL2544902T3 (pl)
PT (1) PT2544902T (pl)
RU (1) RU2516024C1 (pl)
WO (1) WO2011110373A1 (pl)

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US10486354B2 (en) * 2014-12-17 2019-11-26 Poly-Wood, Llc Extruded board with realistic appearance
EP3240691B1 (en) * 2014-12-30 2019-11-13 Projecta Engineering S.r.l. Decorating printing machine
DE102015107259A1 (de) * 2015-05-08 2016-11-10 Robert Bürkle GmbH Plattenförmiges Werkstück mit einer Oberfläche mit Glanzgradunterschieden, Verfahren zum Erzeugen einer solchen Oberfläche und Anlage zur Durchführung des Verfahrens
LU92941B1 (en) * 2016-01-11 2017-08-04 Tarkett Gdl Sa Surface covering production method using digital printing
DE102016104432B4 (de) * 2016-03-10 2017-11-16 VD Werkstätten GmbH & Co. KG Verfahren zur Herstellung von Reliefplatten
US11712883B2 (en) 2017-07-14 2023-08-01 Hp Indigo B.V. Rotogravure printing
ES2730122B2 (es) * 2018-05-07 2020-03-12 Latorre Jesus Francisco Barberan Procedimiento para producir relieves mediante impresion digital y maquina de impresion digital
CN108928144A (zh) * 2018-06-06 2018-12-04 苏州华尔美特装饰材料股份有限公司 一种单元图案循环印刷工艺

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US20130088556A1 (en) 2013-04-11
DE102010010784B3 (de) 2011-06-09
DE102010010784C5 (de) 2017-03-23
WO2011110373A1 (de) 2011-09-15
US9487044B2 (en) 2016-11-08
PT2544902T (pt) 2017-08-02
PL2544902T3 (pl) 2017-10-31
CA2792446C (en) 2017-07-18
CA2792446A1 (en) 2011-09-15
ES2635113T3 (es) 2017-10-02
RU2516024C1 (ru) 2014-05-20
EP2544902A1 (de) 2013-01-16

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