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EP2226201B1 - Procédé et installation destinés à la fabrication d'une plaque de fibre de bois - Google Patents

Procédé et installation destinés à la fabrication d'une plaque de fibre de bois Download PDF

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Publication number
EP2226201B1
EP2226201B1 EP09003064A EP09003064A EP2226201B1 EP 2226201 B1 EP2226201 B1 EP 2226201B1 EP 09003064 A EP09003064 A EP 09003064A EP 09003064 A EP09003064 A EP 09003064A EP 2226201 B1 EP2226201 B1 EP 2226201B1
Authority
EP
European Patent Office
Prior art keywords
fibre
wood
scattered
cake
compression
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.)
Not-in-force
Application number
EP09003064A
Other languages
German (de)
English (en)
Other versions
EP2226201A1 (fr
Inventor
Norbert Dr. Kalwa
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 Technologies Ltd
Original Assignee
Flooring Technologies Ltd
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 Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to PL09003064T priority Critical patent/PL2226201T3/pl
Priority to ES09003064T priority patent/ES2395694T3/es
Priority to EP09003064A priority patent/EP2226201B1/fr
Priority to US12/713,794 priority patent/US8394302B2/en
Publication of EP2226201A1 publication Critical patent/EP2226201A1/fr
Application granted granted Critical
Publication of EP2226201B1 publication Critical patent/EP2226201B1/fr
Priority to US13/770,323 priority patent/US8790557B2/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B27N3/12—Moulding of mats from fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • 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
    • B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Definitions

  • the invention relates to a method for producing a wood fiber board, which has on its top a decor by glued glued wood fibers are scattered in at least one layer to a fiber cake, and the fiber cake is then pressed under pressure and temperature to a plate of desired thickness.
  • the invention also relates to a plant for producing a wood fiber board with a spreader, by means of which a fiber cake consisting of several layers of resin-coated wood fibers is scattered, and a conveying device, which conveys the fiber cake in a process direction to a pressing device, in which the fiber cake to a Plate of desired thickness is pressed.
  • Such a method and system have long been known in the art.
  • the wood to be used is first processed into fine fibers. These are then glued with a resin and then scattered in several layers to a fiber cake on a transport device, such as a conveyor belt.
  • the fiber cake is fed by the conveying device of a pressing device in which the fiber cake is pressed under pressure and temperature influence to a wood fiber board. This is for example on the DE 10 2005 021 903 A1 , the DE 10 2005 035 214 A1 or the DE 195 32 819 A1 directed.
  • the WO 2007/009443 A2 relates to a method for producing a wood-based panel in which uniformly colored hemp shed particles are scattered on the top side of a chipboard. After sprinkling the hemp hull particles the Spanvlies is subjected to a conventional hot pressing process
  • the focus is on the decorative finishing of products, such as wood fiber boards or products made from them, such as floor panels. Besides the improvement of the optical quality of this decorative finishing, it is a declared aim to simplify the production, to reduce the necessary space and thus to reduce the costs.
  • a generic method is characterized in that the decor is applied to the fiber cake before pressing.
  • the fiber cake has a very large surface due to the many relatively loose superposed fibers. This large surface is printed before pressing and then compressed during pressing. Pressing increases the dot density, increasing the brilliance and quality of the printed image.
  • the actually desired decorative image arises only when passing through the press, in which the surface of the fiber cake and thus the applied print image is compressed. As a result of the compression of the print image, pixels are superimposed or are closer together, so that more pixels are contained per unit area after the pressing than before the pressing.
  • a protective layer can preferably be applied to the fiber cake.
  • This preferably consists of a cellulose-fiber-resin mixture. This ensures that the resulting decoration is covered at the same time with a protective layer during pressing of the fiber cake. The decor is thus protected against the adversities of the further transport of the wood fiber board and against damage in further processing steps.
  • the fiber cake to be printed may in particular contain further constituents, such as pigments, resins or salts. This makes it possible, for example, to save the otherwise required primer, which must be applied to the wood fiber board before applying the actual decorative color layers.
  • the printing inks used are preferably adapted to the composition of the fiber cake with its additional components.
  • an additional layer of wood fibers is sprinkled on already sprinkled fibers, which comprises the said further constituents.
  • additional components it is often not possible that they are present in the entire fiber cake. If, for example, only one primer is to be made unnecessary by the additives, it is sufficient if these are in the region of the top of the fiber cake to be printed.
  • the wood fibers in the additional layer may be finer than the already scattered fibers. As a result, the print quality and the brilliance of the image after pressing can be significantly increased again.
  • a generic system for producing a wood fiber board is shown schematically in plan view in the accompanying figure and is characterized in that above the conveyor 2 between the scattering device 1 and the pressing device 7, a printing device 5 is arranged.
  • the printing device 5 is advantageously an inkjet printer. This makes it possible to apply the entire print image with only a single printing unit. The use of several different printing units is thus superfluous, whereby a significant space and cost savings is achieved. Of course, however, several inkjet printers can be used to increase, for example, the throughput speed.
  • a first additional application device 5 can be arranged between the printing device 5 and the pressing device 5, in which a plate 8 of desired thickness is produced from the fiber cake 4, a first additional application device 5 can be arranged.
  • a protective layer which consists for example of a cellulose-fiber-resin mixture. This layer lays on the resulting decor during pressing and protects it against damage in the further course of production.
  • a second additional application device 3 may be arranged.
  • this applicator 3 it is possible to apply to a located on the conveyor 2 fiber cake 4, a further wood-fiber layer, for example, includes finer fibers and additives such as pigments, resins or salts, due to their function and task only in this area of the Fiber cake 4 are needed.
  • the scattering device 1 can optionally be provided with a device for precompressing the fiber cake 4.
  • a floor panel according to the invention comprises a core of wood fiber formed by cutting and profiling a wood fiber board produced by the method of the invention.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Claims (11)

  1. Procédé de fabrication d'un panneau de fibre de bois qui présente un décor sur sa face supérieure, dans lequel on disperse en un gâteau de fibres, dans au moins une couche, des fibres de bois encollées, et on presse ensuite, sous l'effet de la pression et la température, le gâteau de fibres en un panneau de l'épaisseur souhaitée, le décor étant rapporté sur le gâteau de fibres avant le pressage, à l'aide d'au moins une imprimante à jet d'encre, une couche de protection étant rapportée sur le décor avant le pressage.
  2. Procédé selon la revendication 1, dans lequel on rapporte le décor sans contact.
  3. Procédé selon la revendication 1, caractérisé en ce que l'on disperse en tant que couche de protection un mélange résine-fibre.
  4. Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que l'on disperse dans le gâteau de fibres, en tant que composants supplémentaires, des pigments et/ou des résines et/ou des sels.
  5. Procédé selon la revendication 4, caractérisé en ce que l'on disperse sur des fibres de bois déjà dispersées une couche de fibres de bois qui comprend les composants supplémentaires.
  6. Procédé selon la revendication 5, caractérisé en ce que les fibres de bois dans la couche supplémentaire sont plus fines que les fibres de bois déjà dispersées.
  7. Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que lors du pressage du gâteau de fibres (4) en un panneau (8), on comprime l'image imprimée préalablement rapportée.
  8. Procédé selon la revendication 7, caractérisé en ce que lors de la compression, les pixels de l'image soit se superposent soit se resserrent plus étroitement les uns par rapport aux autres, de sorte qu'après le pressage il y ait plus de pixels de l'image par unité de surface qu'avant le pressage.
  9. Installation pour la fabrication d'un panneau de fibre de bois comprenant un dispositif de dispersion (1), au moyen duquel est dispersé un gâteau de fibres (4) consistant en au moins une couche de fibres de bois encollées avec de la résine, et un dispositif d'acheminement (2) qui amène le gâteau de fibres (4) selon une direction de processus (T) dans un dispositif de presse (7), dans lequel le gâteau de fibres (4) est pressé en un panneau (8) de l'épaisseur souhaitée, un dispositif d'impression (5) étant agencé au-dessus du dispositif d'acheminement (2), entre le dispositif de dispersion (1) et le dispositif de presse (7), un premier dispositif additionnel de dépôt (6) étant agencé dans la direction de processus (T) entre le dispositif d'impression (5) et le dispositif de presse (7).
  10. Installation selon la revendication 9, dans laquelle le dispositif d'impression (5) est au moins une imprimante à jet d'encre.
  11. Installation selon l'une des revendications 9 ou 10, caractérisée par un deuxième dispositif additionnel de dépôt (3) qui est agencé dans la direction de processus (T) avant le dispositif d'impression (5).
EP09003064A 2009-03-04 2009-03-04 Procédé et installation destinés à la fabrication d'une plaque de fibre de bois Not-in-force EP2226201B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL09003064T PL2226201T3 (pl) 2009-03-04 2009-03-04 Sposób i urządzenie do wytwarzania płyty z tworzywa drzewnego
ES09003064T ES2395694T3 (es) 2009-03-04 2009-03-04 Procedimiento e instalación para fabricar una placa de fibras de madera
EP09003064A EP2226201B1 (fr) 2009-03-04 2009-03-04 Procédé et installation destinés à la fabrication d'une plaque de fibre de bois
US12/713,794 US8394302B2 (en) 2009-03-04 2010-02-26 Method and installation for producing a wood-fiber board
US13/770,323 US8790557B2 (en) 2009-03-04 2013-02-19 Method and installation for producing a wood-fiber board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09003064A EP2226201B1 (fr) 2009-03-04 2009-03-04 Procédé et installation destinés à la fabrication d'une plaque de fibre de bois

Publications (2)

Publication Number Publication Date
EP2226201A1 EP2226201A1 (fr) 2010-09-08
EP2226201B1 true EP2226201B1 (fr) 2012-11-21

Family

ID=40810382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09003064A Not-in-force EP2226201B1 (fr) 2009-03-04 2009-03-04 Procédé et installation destinés à la fabrication d'une plaque de fibre de bois

Country Status (4)

Country Link
US (2) US8394302B2 (fr)
EP (1) EP2226201B1 (fr)
ES (1) ES2395694T3 (fr)
PL (1) PL2226201T3 (fr)

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JP6567555B2 (ja) 2014-05-12 2019-08-28 ベーリンゲ、イノベイション、アクチボラグＶａｅｌｉｎｇｅ Ｉｎｎｏｖａｔｉｏｎ Ａｂ 単板エレメントの製造方法及び単板エレメント
UA120705C2 (uk) 2014-07-16 2020-01-27 Велінге Інновейшн Аб Спосіб одержання термопластичної зносостійкої плівки
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Publication number Priority date Publication date Assignee Title
EP3431239A1 (fr) 2017-07-20 2019-01-23 SWISS KRONO Tec AG Procédé de fabrication d'un panneau en bois, en particulier d'un panneau mdf ou hdf
WO2019016083A1 (fr) 2017-07-20 2019-01-24 SWISS KRONO Tec AG Procédé de fabrication d'une plaque en matériau dérivé du bois, en particulier d'une plaque mdf ou hdf

Also Published As

Publication number Publication date
US8790557B2 (en) 2014-07-29
US8394302B2 (en) 2013-03-12
US20130153153A1 (en) 2013-06-20
ES2395694T3 (es) 2013-02-14
PL2226201T3 (pl) 2013-03-29
US20100223881A1 (en) 2010-09-09
EP2226201A1 (fr) 2010-09-08

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