EP3892388B1 - Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque - Google Patents

Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque Download PDF

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Publication number
EP3892388B1
EP3892388B1 EP20168151.7A EP20168151A EP3892388B1 EP 3892388 B1 EP3892388 B1 EP 3892388B1 EP 20168151 A EP20168151 A EP 20168151A EP 3892388 B1 EP3892388 B1 EP 3892388B1
Authority
EP
European Patent Office
Prior art keywords
layer
film
lacquer
lacquer layer
radiation
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
EP20168151.7A
Other languages
German (de)
English (en)
Other versions
EP3892388A1 (fr
EP3892388C0 (fr
Inventor
Frank Kemmerling
Andre Wiegelmann
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.)
Filing date
Publication date
Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL20168151.7T priority Critical patent/PL3892388T3/pl
Priority to EP20168151.7A priority patent/EP3892388B1/fr
Priority to PCT/EP2021/058597 priority patent/WO2021204662A1/fr
Publication of EP3892388A1 publication Critical patent/EP3892388A1/fr
Application granted granted Critical
Publication of EP3892388B1 publication Critical patent/EP3892388B1/fr
Publication of EP3892388C0 publication Critical patent/EP3892388C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
    • B05D1/322—Removable films used as masks
    • 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
    • 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
    • B05D5/02—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
    • 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
    • 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
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • 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
    • B05D2203/00—Other substrates
    • B05D2203/20—Wood or similar material
    • 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
    • B05D2252/00—Sheets
    • B05D2252/04—Sheets of definite length in a continuous process
    • 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
    • B05D3/12—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 mechanical means
    • 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
    • B05D7/06—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 wood

Definitions

  • the invention relates to a method for producing a structured surface of a panel-shaped material, in particular a wood-based panel, in which a layer of lacquer is applied to the surface of the panel-shaped material, in which a film that is at least partially transparent to radiation is placed on the lacquer layer, in which before or After the film has been laid on, a structured absorber layer is applied to the film by means of an absorber material that is at least partially impermeable to the radiation, in the course of which radiation is then applied through the film to the lacquer layer in a first curing step, depending on the permeability of the structured absorber layer of the Foil the paint layer is cured at least in sections and at least partially, and in which the film is lifted from the paint layer and in a second curing step the paint layer is preferably completely cured by means of radiation.
  • the invention also relates to a device for producing a structured surface of a panel-shaped material, in particular a wood-based panel, with a painting device for applying a layer of varnish to the panel-shaped material, with a feed device for a film that is at least partially transparent to radiation, with a first hardening device for the passage a first curing step, with a lifting device for lifting the film from the paint layer and a second curing device for carrying out a second curing step,
  • the invention therefore relates to a method which is also known as the Calander Coating Inert (CCI) method and with which surface coatings of high quality combined with visual and haptic properties can be produced.
  • CCI Calander Coating Inert
  • UV coatings are applied in a rolling process. Then a foil or tape applied, whereby the still liquid paint surface is smoothed. Curing takes place through the film by means of UV radiation with direct surface contact. In principle, other types of electromagnetic radiation or particle radiation are also possible. In this way, oxygen-free or inert conditions are created underneath the foil, which significantly influence the quality of the curing process.
  • Boards of different carrier types such as medium-density fibreboard (MDF), high-density fibreboard (HDF), raw chipboard, veneer, paper, materials coated with melamine resin can be coated with low process costs as panel-shaped materials.
  • MDF medium-density fibreboard
  • HDF high-density fibreboard
  • raw chipboard veneer
  • paper materials coated with melamine resin
  • high-gloss surfaces can be achieved with much less effort than with conventional painting, since sanding effort, drying times and paint consumption can be significantly reduced.
  • the surfaces finished with the inert technology are characterized by high scratch resistance and durability.
  • the surfaces can be produced in high gloss and dull matt.
  • CCI is used in particular by panel manufacturers who produce coated (decor) panels for kitchen and furniture fronts.
  • a particular challenge is structuring the surface to be cured.
  • a known measure is that the surface of the film facing the paint layer to be cured is itself provided with a negative surface structure. After curing by means of radiation, this structure remains in the lacquer layer as a positive surface structure.
  • the structure can be embossed into the surface of the lacquer layer before, during or after partial curing.
  • the variability of the structuring is limited, especially if a frequent change of the geometry of the structuring is required for small lot sizes.
  • a method mentioned at the outset and a corresponding device for carrying out the method according to the preamble of the independent claims is from U.S. 2016/0114619 A1 known.
  • the uncured or only partially cured sections of the paint layer are then removed, resulting in a surface structure.
  • the removed sections of the paint layer lead to a loss of material in the paint layer.
  • the present invention is therefore based on the technical problem of further simplifying the method and the corresponding device for producing a structured surface of a sheet-like material.
  • the method according to the invention is therefore a modification of the Calander Coating Inert (CCI) method, in which, in particular, curing takes place in two steps.
  • CCI Calander Coating Inert
  • a structuring of the paint layer can be produced, with the structuring being able to have indentations, elevations and/or differences in the degree of gloss.
  • the method is preferably carried out with an unfilled and highly transparent lacquer, so that a smooth surface is basically formed, which is then matted and/or structured in a structured form by the measures described here.
  • the paint cures to different depths, depending on the intensity of the radiation, the thickness of the absorber layer, the thickness of the foil, and the duration of the radiation.
  • complete curing can occur in the unstructured areas of the absorber layer, ie the areas that are transparent to the radiation. It is also possible that only partial curing occurs in the transparent areas in the first curing step. In this case, these areas of the lacquer layer to be cured are also only gelled and the above-mentioned skin forms on the surface of the lacquer layer.
  • All at least partially opaque materials such as lacquers, inks or the like can be used as the absorber material.
  • preference is given to using dark-colored, preferably black, pigments.
  • the absorber material i.e. generally a coating that has pigments that block the radiation in the first curing step
  • an ink such as UV ink, PUR ink, solvent-based ink, hybrid ink or a varnish, in particular UV curable varnish.
  • the pigments applied are decisive.
  • the surface lacquer can be a radiation-curing film former (UV or ESH lacquer).
  • UV or ESH lacquer The most important classes of film formers include unsaturated polyesters, epoxy acrylates, polyester acrylates, polyether acrylates, amine-modified polyether acrylates, as well as urethane and polyurethane acrylates.
  • the film former contains functional groups that polymerize under the influence of UV light or ionizing radiation (ESH). This creates a three-dimensional insoluble polymer network. In the case of UV curing, additional photoinitiator additions are necessary in order to start radical or ionic polymerization.
  • UV blockers Further possibilities for influencing the curing in sections are also possible through the application of UV blockers.
  • structuring for the transmission of the film can also be used with a varying film thickness, at least supporting the structure of the absorber layer.
  • the image sharpness of the structure of the absorber layer in the paint layer depends on the paint viscosity. If there is no curing after the first curing step, depending on the viscosity of the paint layer, there may be more or less deliquescence.
  • the film is stripped away, leaving the partially cured and skinning portions of the paint layer intact.
  • the uncured or only slightly cured sections are still liquid, run and have an unstructured, smooth and preferably glossy surface.
  • the structured surface in the paint layer that is present after the film has been lifted off is then hardened and fixed in the second hardening step.
  • the second curing step takes place in the shortest possible time interval after the lifting of the film, in order to fix this structure through the final curing of the lacquer layer.
  • the time until the second hardening step should be kept short so that the running is stopped as early as possible.
  • a typical duration is less than 60 seconds, but durations between 1 and 5 minutes are also possible.
  • the film to be applied to the paint layer can already be provided with the absorber layer before it is applied.
  • the structure is predetermined and the foil can possibly be reused if the existing structure is to be produced multiple times on a panel surface.
  • the film can also be provided with the absorber material, in particular printed, in a direct temporal connection shortly before or after it is placed on the lacquer layer. In this way, a structure matched to the already existing colored decor can be created on the foil.
  • the film is therefore preferably provided with the structured absorber layer consisting of the absorber material on the side facing away from the lacquer layer.
  • the structured absorber layer consisting of the absorber material on the side facing away from the lacquer layer.
  • the film can have a smooth surface on the side facing the paint layer, so that the surface of the film does not result in any further structuring of the paint layer to be cured. This is particularly advantageous when it is not clear in advance on which sections a matt or a smooth surface is to be produced.
  • the lacquer layer can preferably consist of a transparent lacquer, with at least one further layer with a colored decoration being applied under the transparent lacquer layer.
  • a two-layer paint structure is thus produced and only the upper transparent paint layer is structured using the method described.
  • an unstructured film can be applied to the paint layer and the. structured film can be applied to the unstructured film, preferably by means of the absorber layer.
  • the second film can preferably be doubled onto the first film, or the second film is fed in via a second roll unwind.
  • the lacquer layer consists of a glossy lacquer and a structure of glossy and matt sections is produced has been described above. Furthermore, a matte lacquer can also be applied, so that a structure can be produced from raised and non-raised sections or from more or less matte sections.
  • the layer of lacquer applied to the surface of the sheet-like material can, for example, also consist of a colored lacquer instead of a transparent lacquer, the surface of the colored lacquer layer being structured by the method. A surface structure is thus created directly on top of the colored coating of the sheet-like material.
  • the curing devices each have a radiation source that serves to cure the lacquer layer.
  • a UV source preferably in the form of a light-emitting diode (LED), is used if the lacquer layer consists of a UV-curable lacquer.
  • LED light-emitting diode
  • Radiation sources with other electromagnetic radiation or particle radiation are also conceivable for curing corresponding paint materials.
  • a device is preferably provided for applying absorber material to the film in order to produce a structured absorber layer which is at least partially impermeable to the radiation.
  • the structure of the absorber layer can be produced on the film with this device, which can be designed in particular as a printing device.
  • the device or the pressure device thus enables the film to be placed on the surface to be cured in a timely manner close to the point in time Lacquer layer application or printing of the film with the absorber material.
  • the device described can be designed with a feed device for feeding two films.
  • a conventional film can first be placed on the paint layer to be cured, which has either a smooth surface or a surface that is already surface-structured, which faces the paint layer.
  • the further foil is then already provided with the structure of the absorber material or is provided with an absorber material after it has been applied.
  • FIG. 1 shows a first embodiment of a device 2 for producing a structured surface of a plate-shaped material 4, which is present as Wood-based panel is formed and in the 1 fed from left to right.
  • the material may be in an elongate form to be subsequently divided into smaller units.
  • the wood-based panel already has its final shape and is not further divided after the structured surface has been produced.
  • a coating layer 12 is applied to the wood-based panel 4 with a coating device 6 which has a reservoir 8 for the coating and a metering roller 10 .
  • squeegee devices can also be provided for leveling out the still liquid paint layer 12 or other conventional devices.
  • a feed device 14 with a supply roll 16 is provided for feeding in a film 18 that is at least partially transparent to radiation.
  • the film 18 is placed on the lacquer layer 12 in the area of a deflection roller 20 .
  • the film is already provided with an absorber material in the form of a structured coating before it is rolled up onto the supply roll 16, which produces a structured absorber layer on the film 18 that is at least partially impermeable to the radiation applied later.
  • a first hardening step is carried out with a first hardening device 22, which is arranged above the film 18 in an area in which the film 18 is in contact with the lacquer layer 12.
  • radiation for example UV radiation
  • the film 18 is provided with the absorber layer made of structured paint, the paint layer 12 is hardened to different extents in sections, so that a superficial structure is formed on the surface of the paint layer 12 .
  • a lifting device 24 with a deflection roller 26 and a take-up roller 28 is provided, with which the film 18 is lifted from the lacquer layer 12. After that is a surface structure corresponding to the structure of the absorber layer on the film is present on the only partially cured lacquer layer 12 .
  • a second hardening device 30 is provided, which is designed to carry out a second hardening step and emits radiation, in particular UV radiation.
  • a UV lamp with high radiation intensity or an excimer emitter can be used for the first hardening device 22 and the second hardening device 30 .
  • FIG 2 shows a further exemplary embodiment of a device 2 for producing a structured surface of a wood-based panel 4, the same reference numbers being the same elements as in FIG 1 mark.
  • a printing device 32 for printing the film 12 with the structure paint to produce a radiation at least partially impermeable structured absorber layer is provided.
  • the film is provided with a structured absorber layer made of a structured lacquer only after it has been placed on the lacquer layer 12 .
  • the absorber layer then causes the lacquer layer 12 to harden differently in sections in the region of the first hardening device 22.
  • FIGS 1 and 2 mark shows a further exemplary embodiment of a device 2 for producing a structured surface of a wood-based panel 4, with the same reference numbers being the same elements as in FIGS 1 and 2 mark.
  • a second feed device 34 for feeding a second film 36 is provided here, which has a supply roll 38 and a deflection roller 40 with which the second film 36 is placed on the first film 12 .
  • a second Lifting device 42 is provided with a deflection roller 44 and a take-up roller 46 .
  • the first film 12 has no structure, while the second film 36 is printed with a structured paint by means of the printing device 32 .
  • the first hardening device 22 then hardens the paint layer 12 partially and in sections through the second film 36 and the first film 18 .

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (11)

  1. Procédé de fabrication d'une surface structurée d'un matériau en forme de plaque, en particulier d'un panneau de bois,
    - dans lequel une couche de laque est appliquée sur la surface du matériau en forme de plaque,
    - dans lequel un film au moins partiellement perméable pour un rayonnement est posée sur la couche de laque,
    - dans lequel, avant ou après la pose du film, une couche absorbante structurée est appliquée sur le film au moyen d'un matériau absorbant au moins partiellement imperméable au rayonnement,
    - dans lequel, ensuite, dans une première étape de durcissement, un rayonnement est appliqué sur la couche de laque à travers le film, la couche de laque étant durcie au moins partiellement et au moins par zone en fonction de la perméabilité de la couche absorbante structurée du film, et
    - dans lequel le film est soulevé de la couche de laque,
    caractérisé
    - en ce que, dans une deuxième étape de durcissement, la couche de laque est durcie, de préférence complètement, par rayonnement.
  2. Procédé selon la revendication 1,
    dans lequel le film est pourvu de la couche absorbante structurée sur le côté opposé à la couche de laque.
  3. Procédé selon la revendication 1 ou 2,
    dans lequel le film présente une surface lisse sur le côté tourné vers la couche de laque.
  4. Procédé selon l'une des revendications 1 à 3,
    dans lequel la couche de laque est constituée d'une laque transparente et au moins une couche supplémentaire avec un décor coloré est appliquée sous la couche de laque.
  5. Procédé selon la revendication 4,
    dans lequel le film est pourvu d'une couche absorbante structurée s'étendant de manière synchrone avec le décor.
  6. Procédé selon l'une des revendications 1 à 5,
    - dans lequel un film non structuré est appliqué sur la couche de laque et
    - dans lequel le film structuré au moyen d'un matériau absorbant est appliqué sur le film non structuré.
  7. Procédé selon l'une des revendications 1 à 3,
    dans lequel la couche de laque est constituée d'une laque colorée.
  8. Procédé selon l'une des revendications 1 à 7,
    dans lequel la couche de laque est appliquée à partir d'une laque brillante.
  9. Dispositif pour la fabrication d'une surface structurée d'un matériau en forme de plaque (4), en particulier d'un panneau de bois,
    - avec un dispositif de laquage (6) pour appliquer une couche de laque (12) sur le matériau en forme de plaque (4),
    - avec un dispositif d'alimentation (14) pour un film (18) au moins partiellement perméable à un rayonnement,
    - avec un premier dispositif de durcissement (22) pour l'exécution d'une première étape de durcissement et
    - avec un dispositif de soulèvement (24) pour soulever le film (18) de la couche de laque (12),
    caractérisé
    - en ce qu'un deuxième dispositif de durcissement (30) est prévu pour l'exécution d'une deuxième étape de durcissement.
  10. Dispositif selon la revendication 9,
    caractérisé
    en ce qu'un dispositif (32) d'application de matériau absorbant sur le film (18) est prévu pour produire une couche absorbante structurée au moins partiellement imperméable au rayonnement.
  11. Dispositif selon la revendication 9 ou 10,
    caractérisé
    en ce que le dispositif d'alimentation (14, 34) est conçu pour amener deux films (18, 36).
EP20168151.7A 2020-04-06 2020-04-06 Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque Active EP3892388B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL20168151.7T PL3892388T3 (pl) 2020-04-06 2020-04-06 Sposób i urządzenie do wytwarzania strukturyzowanej powierzchni materiału w postaci płyty
EP20168151.7A EP3892388B1 (fr) 2020-04-06 2020-04-06 Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque
PCT/EP2021/058597 WO2021204662A1 (fr) 2020-04-06 2021-04-01 Procédé et dispositif de production de surface structurée de matériau plan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20168151.7A EP3892388B1 (fr) 2020-04-06 2020-04-06 Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque

Publications (3)

Publication Number Publication Date
EP3892388A1 EP3892388A1 (fr) 2021-10-13
EP3892388B1 true EP3892388B1 (fr) 2023-06-07
EP3892388C0 EP3892388C0 (fr) 2023-06-07

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ID=70189822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20168151.7A Active EP3892388B1 (fr) 2020-04-06 2020-04-06 Procédé et dispositif de fabrication d'une surface structurée d'une matière en forme de plaque

Country Status (3)

Country Link
EP (1) EP3892388B1 (fr)
PL (1) PL3892388T3 (fr)
WO (1) WO2021204662A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4124467A1 (fr) * 2021-07-30 2023-02-01 Flooring Industries Limited, SARL Un procédé de fabrication d'un panneau

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006084B4 (de) * 2005-02-09 2009-12-10 Fritz Egger Gmbh & Co. Verfahren und Vorrichtung zum Erzeugen einer strukturierten Lackoberfläche sowie Paneel mit einer strukturierten Lackoberfläche
KR101616593B1 (ko) * 2008-12-19 2016-05-12 플로어링 인더스트리즈 리미티드 에스에이알엘 코팅 패널 및 이러한 패널의 제조 방법

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PL3892388T3 (pl) 2023-10-09
EP3892388A1 (fr) 2021-10-13
WO2021204662A1 (fr) 2021-10-14
EP3892388C0 (fr) 2023-06-07

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