EP3088173A1 - Endless belt with a metal tape body - Google Patents

Endless belt with a metal tape body Download PDF

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Publication number
EP3088173A1
EP3088173A1 EP16166966.8A EP16166966A EP3088173A1 EP 3088173 A1 EP3088173 A1 EP 3088173A1 EP 16166966 A EP16166966 A EP 16166966A EP 3088173 A1 EP3088173 A1 EP 3088173A1
Authority
EP
European Patent Office
Prior art keywords
region
press belt
ribs
valleys
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16166966.8A
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German (de)
French (fr)
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EP3088173B1 (en
Inventor
Dominik FASST
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.)
Berndorf Band GmbH
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Berndorf Band GmbH
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Filing date
Publication date
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Priority to PL16166966T priority Critical patent/PL3088173T3/en
Publication of EP3088173A1 publication Critical patent/EP3088173A1/en
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Publication of EP3088173B1 publication Critical patent/EP3088173B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02—Dies; Accessories
    • B44B5/026—Dies
    • 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

Definitions

  • the invention relates to an endless belt with a metal band body and an inner band side and an outer band side, wherein the band outer side has three-dimensional embossed structures in the form of valleys and ribs.
  • the invention relates to a device for producing decorative panels, wherein the apparatus comprises a double-belt press with at least two endless belts, of which at least one is designed as a press belt with embossed structures.
  • Press belts of the above type are usually used for the production of decorative panels, which in addition to an image also have a three-dimensional image-corresponding surface structure, in order to achieve a desired optical or haptic impression.
  • endless belts of the type mentioned above are used.
  • grains or pores of the wood surface are primarily represented by the three-dimensional embossed structures.
  • a carrier material provided with an image of a wood surface and impregnated is usually applied to a carrier plate and the corresponding three-dimensional structure is embossed by means of a press belt.
  • a method is for example from the AT 500 312 B1 known.
  • a relevant press belt or a method of manufacturing such a press belt is also known from the document EP1395443B1 known.
  • a disadvantage of the known press belts is that they have a constant degree of gloss over the entire surface, which has an unfavorable effect on achieving a depth effect in the patterns shown.
  • the decorative surfaces of decorative panels made with conventional press belts therefore give a two-dimensional impression despite the presence of three-dimensional structures.
  • a press belt of the aforementioned type according to the invention that the outside of the band in at least a first at least one valley and / or at least one rib region comprising a different gloss level than in at least a second at least one valley and / or at least one rib Has area.
  • the different gloss levels of the areas can be achieved by different roughness depths in the surface of the press belt.
  • the areas of different roughness depths are then transferred to the decorative surface and there also areas of different gloss levels result.
  • areas which are intended to convey a three-dimensional impression may be matted and have a lower degree of gloss than other areas of the decorative surface.
  • the at least one first area comprises a plurality of valleys and ribs, wherein a surface of the band outside in the at least one first area has a uniform gloss level.
  • the at least one second region comprises a plurality of valleys and ribs, wherein a surface of the band outside in the at least one second region has a uniform degree of gloss.
  • the at least a first region of a valley and the at least one second region is formed from a rib, wherein a bottom of the valley of the at least one first Area has a smaller roughness than a crest of the rib of the at least one second area.
  • the press belt has a different coating from a base material of the belt body coating, in particular a coating of chromium, through which in particular the ridges of the ribs are formed.
  • At least sections of the at least one first region and the at least one second region can also be arranged next to one another viewed in a transverse direction of the endless belt.
  • the ribs and valleys of the first region can be oriented in the same direction, preferably parallel to one another, the ribs and valleys of the second region at least partially not being in the same direction as the ribs and valleys of the first region, the second region has a lower gloss level than the first area.
  • the above object can also be achieved with a device of the type mentioned in the present invention in that the press belt is formed as a press belt according to one of claims 1 to 8.
  • a device for producing decorative panels for example laminates with wooden decorative surfaces or decorative tiles with a stone decor surface, can have a double-belt press 1.
  • carrier plates 3 On a lower belt 2 are here carrier plates 3, on which a impregnated with resin or similar paper 4, which carries a picture print arranged.
  • the precut paper 4 is placed on the support plates 3.
  • the paper 4 substantially completely covers the surface of the carrier plates 3 serving as a support surface on the carrier plates 3.
  • a press belt 5 which has embossed structures 6, which are pressed into the resin-impregnated paper 4 in order to obtain a corresponding three-dimensional surface structure in the decorative plate.
  • the embossed structures 6 of the press belt 5 can be spaced from one another by surface sections 7 referred to below as "gaps".
  • the gaps may have an intermediate structure that is different from the embossed structures 6 and that has a "neutral pattern" such as simple geometric structures such as straight parallel lines, grids, etc.
  • the intermediate structure is particularly preferably a pattern which has a high similarity with the basic pattern, but in contrast to this does not contain any prominent sites such as knotholes.
  • the press belt 5 has a belt inside 9 and a belt outside 10.
  • the embossed structures 6 are in this case arranged on the outside of the tape 9, wherein the tape outer side 9 has at least two regions 15 and 16 which have a different degree of gloss.
  • a plurality of regions 15 and 16 are provided. Alternating in the longitudinal direction of the tape.
  • the regions can also be arranged side by side in the transverse direction of the press belt 5, so the regions 15, 16 could be arranged, for example, like a checkerboard or any other order.
  • the press belt 5 a band body 8 made of metal.
  • the press belt 5 may optionally have a coating different from a base material of the belt body 8, for example a coating of chromium.
  • the embossed structures 6 in the form of valleys 11 and ribs 12 are formed.
  • Each of the regions 15 and 16 in this case comprises at least one valley and / or one rib.
  • both the first region 15 and the second region 16 comprise a plurality of valleys 11 and ribs 12, as shown in FIG Fig. 4 is shown.
  • the gloss level of the first region 15 and the second region 16 is different from each other in all embodiments. Within areas 15 and 16, the gloss level can be constant and uniform throughout the entire area.
  • the first region 15 is formed by a valley 11 and the second region 16 is formed by a rib, then a bottom of the valley 11 can have a smaller roughness depth than a crest of the rib 14 of the at least one second region 16.
  • the comb of the Rib 14 may be provided with a layer, for example a chromium layer.
  • the ribs 12 and the valleys 11 of the first region 15 in the same direction to each other, preferably parallel to each other, be oriented.
  • the ribs 14 and valleys 13 of the second region 16 can at least partially not run in the same direction to the ribs 12 and valleys 11 of the first region 15.
  • the second region 16 corresponds to a knothole and the first region 15 corresponds to a grain of a log.
  • the second region 16 corresponding to a knothole has a lower degree of gloss than the first region 15.
  • a mask-shaped coating can be applied to it, for example, wherein structuring of the belt surface is achieved in non-coated regions of the press belt 5 in a further process step, for example by etching or other removal or application of material.
  • a further step which may, however, also take place before a material removal or application, for example the surface can be partially irradiated with particles (eg sand, steel particles, ceramic particles, etc.) in order to achieve different degrees of gloss in the areas 15, 16 ,
  • particles eg sand, steel particles, ceramic particles, etc.
  • the areas 15 and 16 consist only of a single valley or a single rib, then a different roughness can be achieved, for example, that after a removal of material by etching the entire band outside 10 of the press belt 5 at a very shallow angle, for example Almost parallel to the surface of the band outside 10, is irradiated with a particle beam, since in this case the ribs 12, 14 are roughened more than the valleys 11, 13.
  • the production of the press belt 5 according to the invention also can be done in other ways than those described above.
  • the press belt 5 can in principle be effected by means of all suitable chemical, electrochemical, mechanical types of material removal or application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)

Abstract

Die Erfindung betrifft ein Pressband (5) mit einem Bandkörper (8) aus Metall und einer Bandinnenseite (9) und einer Bandaußenseite (10), wobei die Bandaußenseite (10) dreidimensionale Prägestrukturen (6) in Form von Tälern und Rippen (11, 12, 13, 14) aufweist, wobei die Bandaußenseite (10) in zumindest einem ersten zumindest ein Tal (11) und/oder zumindest eine Rippe (12) umfassenden Bereich (15) einen anderen Glanzgrad als in zumindest einem zweiten zumindest ein Tal (13) und/oder zumindest eine Rippe (14) umfassenden Bereich (16) aufweist.The invention relates to a press belt (5) having a metal band body (8) and an inner band side (9) and a band outer side (10), wherein the band outer side (10) has three - dimensional embossed structures (6) in the form of valleys and ribs (11, 12 , 13, 14), wherein the band outer side (10) in at least a first at least one valley (11) and / or at least one rib (12) comprising area (15) a different degree of gloss than in at least one second at least one valley (13 ) and / or at least one rib (14) comprising region (16).

Description

Die Erfindung betrifft ein Endlosband mit einem Bandkörper aus Metall und einer Bandinnenseite und einer Bandaußenseite, wobei die Bandaußenseite dreidimensionale Prägestrukturen in Form von Tälern und Rippen aufweist.The invention relates to an endless belt with a metal band body and an inner band side and an outer band side, wherein the band outer side has three-dimensional embossed structures in the form of valleys and ribs.

Weiters betrifft die Erfindung eine Vorrichtung zur Herstellung von Dekorplatten, wobei die Vorrichtung eine Doppelbandpresse mit zumindest zwei Endlosbändern umfasst, von welchen zumindest eines als Pressband mit Prägestrukturen ausgebildet ist.Furthermore, the invention relates to a device for producing decorative panels, wherein the apparatus comprises a double-belt press with at least two endless belts, of which at least one is designed as a press belt with embossed structures.

Pressbänder der oben genannten Art werden üblicherweise zur Herstellung von Dekorplatten, welche neben einem Bild auch eine dreidimensionale mit dem Bild korrespondierende Oberflächenstruktur aufweisen, verwendet, um einen gewünschten optischen bzw. haptischen Eindruck zu erzielen. Vor allem bei der Herstellung von Holzdekorplatten kommen Endlosbänder der oben genannten Art zum Einsatz. Hierbei sollen in erster Linie Maserungen bzw. Poren der Holzoberfläche durch die dreidimensionalen Prägestrukturen dargestellt werden.Press belts of the above type are usually used for the production of decorative panels, which in addition to an image also have a three-dimensional image-corresponding surface structure, in order to achieve a desired optical or haptic impression. Especially in the production of wood decorative panels endless belts of the type mentioned above are used. Here, grains or pores of the wood surface are primarily represented by the three-dimensional embossed structures.

Bei derartigen Dekorplatten wird ein mit einem Bild einer Holzoberfläche versehenes und imprägniertes Trägermaterial üblicherweise auf eine Trägerplatte aufgebracht und mittels eines Pressbandes die entsprechende dreidimensionale Struktur eingeprägt. Ein derartiges Verfahren ist beispielsweise aus der AT 500 312 B1 bekannt geworden.In decorative panels of this kind, a carrier material provided with an image of a wood surface and impregnated is usually applied to a carrier plate and the corresponding three-dimensional structure is embossed by means of a press belt. Such a method is for example from the AT 500 312 B1 known.

Ein einschlägiges Pressband bzw. ein Verfahren Art zur Herstellung eines derartigen Pressbandes ist auch aus dem Dokument EP1395443B1 bekannt geworden.A relevant press belt or a method of manufacturing such a press belt is also known from the document EP1395443B1 known.

Nachteilig an den bekannten Pressbändern ist, dass diese über die ganze Oberfläche hinweg einen gleichbleibenden Glanzgrad aufweisen, was sich ungünstig auf die Erzielung eines Tiefeneffektes bei den dargestellten Mustern auswirkt. Die Dekoroberflächen von Dekorplatten, die mit herkömmlichen Pressbändern hergestellt sind, vermitteln daher trotz des Vorhandenseins dreidimensionaler Strukturen einen zweidimensionalen Eindruck.A disadvantage of the known press belts is that they have a constant degree of gloss over the entire surface, which has an unfavorable effect on achieving a depth effect in the patterns shown. The decorative surfaces of decorative panels made with conventional press belts therefore give a two-dimensional impression despite the presence of three-dimensional structures.

Es ist daher eine Aufgabe der Erfindung, die oben genannten Nachteile des Stands der Technik zu überwinden.It is therefore an object of the invention to overcome the above-mentioned disadvantages of the prior art.

Diese Aufgabe wird mit einem Pressband der eingangs genannten Art erfindungsgemäß dadurch gelöst, dass die Bandaußenseite in zumindest einem ersten zumindest ein Tal und/oder zumindest eine Rippe umfassenden Bereich einen anderen Glanzgrad als in zumindest einem zweiten zumindest ein Tal und/oder zumindest eine Rippe umfassenden Bereich aufweist. Die unterschiedlichen Glanzgrade der Bereiche können durch unterschiedliche Rautiefen in der Oberfläche des Pressbandes erzielt werden. Die Bereiche unterschiedlicher Rautiefen werden dann auf die Dekoroberfläche übertragen und haben dort ebenfalls Bereiche unterschiedlicher Glanzgrade zur Folge. So können beispielsweise Bereiche, die einen dreidimensionalen Eindruck vermitteln sollen mattiert ausgebildet sein und einen geringeren Glanzgrad aufweisen, als andere Bereiche der Dekoroberfläche.This object is achieved with a press belt of the aforementioned type according to the invention that the outside of the band in at least a first at least one valley and / or at least one rib region comprising a different gloss level than in at least a second at least one valley and / or at least one rib Has area. The different gloss levels of the areas can be achieved by different roughness depths in the surface of the press belt. The areas of different roughness depths are then transferred to the decorative surface and there also areas of different gloss levels result. Thus, for example, areas which are intended to convey a three-dimensional impression may be matted and have a lower degree of gloss than other areas of the decorative surface.

Gemäß einer vorteilhaften Variante der Erfindung, welche sich besonders für die Herstellung von Holzdekorplatten eignet, kann es vorgesehen sein, dass der zumindest eine erste Bereich mehrere Täler und Rippen umfasst, wobei eine Oberfläche der Bandaußenseite in dem zumindest einen ersten Bereich einen einheitlichen Glanzgrad aufweist.According to an advantageous variant of the invention, which is particularly suitable for the production of wood decorative panels, it can be provided that the at least one first area comprises a plurality of valleys and ribs, wherein a surface of the band outside in the at least one first area has a uniform gloss level.

Weiters kann es vorgesehen sein, dass der zumindest eine zweite Bereich mehrere Täler und Rippen umfasst, wobei eine Oberfläche der Bandaußenseite in dem zumindest einem zweiten Bereich einen einheitlichen Glanzgrad aufweist.Furthermore, it may be provided that the at least one second region comprises a plurality of valleys and ribs, wherein a surface of the band outside in the at least one second region has a uniform degree of gloss.

Entsprechend einer Ausführungsform der Erfindung, welche sich besonders für Dekorplatten für Fußböden eignet, kann es vorgesehen sein, dass der zumindest eine erste Bereich aus einem Tal und der zumindest eine zweite Bereich aus einer Rippe gebildet ist, wobei ein Boden des Tals des zumindest einen ersten Bereichs eine kleinere Rautiefe aufweist als ein Kamm der Rippe des zumindest einen zweiten Bereichs. Die unterschiedlichen Rautiefen von Rippen und Tälern ermöglicht es, trotz der bei Fußböden auftretenden Problematik, dass die Erhöhungen der in die Dekorplatte eingeprägten Struktur, welche den Vertiefungen in dem Pressband entsprechen, stärker abgenutzt (geglättet) werden als die Täler, ein beständiges dreidimensionales Fußbodendekor zu realisieren.According to an embodiment of the invention, which is particularly suitable for decorative panels for floors, it may be provided that the at least a first region of a valley and the at least one second region is formed from a rib, wherein a bottom of the valley of the at least one first Area has a smaller roughness than a crest of the rib of the at least one second area. The different roughness depths of ridges and valleys, in spite of the problems encountered with floors, make it possible for the ridges of the structure imprinted in the decorative panel, which correspond to the depressions in the press belt, to become more worn (smoothed) than the valleys to a stable three-dimensional floor decor realize.

Gemäß einer weiteren Ausführungsform der Erfindung kann es vorgesehen sein, dass das Pressband eine von einem Grundmaterial des Bandkörpers unterschiedliche Beschichtung, insbesondere eine Beschichtung aus Chrom, aufweist, durch welche insbesondere die Kämme der Rippen gebildet sind.According to a further embodiment of the invention, it may be provided that the press belt has a different coating from a base material of the belt body coating, in particular a coating of chromium, through which in particular the ridges of the ribs are formed.

Bei einer Variante der Erfindung kann es vorgesehen sein, dass zumindest Abschnitte des zumindest einen ersten Bereichs und des zumindest einen zweiten Bereichs in einer Längsrichtung des Pressbandes betrachtet hintereinander angeordnet sind.In a variant of the invention, provision may be made for at least portions of the at least one first region and the at least one second region to be arranged one after the other in a longitudinal direction of the press belt.

Darüber hinaus können aber auch zumindest Abschnitte des zumindest einen ersten Bereichs und des zumindest einen zweiten Bereichs in einer Querrichtung des Endlosbandes betrachtet nebeneinander angeordnet sein.In addition, however, at least sections of the at least one first region and the at least one second region can also be arranged next to one another viewed in a transverse direction of the endless belt.

Gemäß einer bevorzugten Variante der Erfindung können die Rippen und Täler des ersten Bereichs gleichsinnig zueinander, bevorzugt parallel zueinander, orientiert sein, wobei die Rippen und Täler des zweiten Bereichs zumindest teilweise nicht gleichsinnig zu den Rippen und Tälern des ersten Bereichs verlaufen, wobei der zweite Bereich einen niedrigeren Glanzgrad als der erste Bereich aufweist.According to a preferred variant of the invention, the ribs and valleys of the first region can be oriented in the same direction, preferably parallel to one another, the ribs and valleys of the second region at least partially not being in the same direction as the ribs and valleys of the first region, the second region has a lower gloss level than the first area.

Die oben genannte Aufgabe lässt sich auch mit einer Vorrichtung der eingangs genannten Art erfindungsgemäß dadurch lösen, dass das Pressband als ein Pressband nach einem der Ansprüche 1 bis 8 ausgebildet ist.The above object can also be achieved with a device of the type mentioned in the present invention in that the press belt is formed as a press belt according to one of claims 1 to 8.

Zum besseren Verständnis der Erfindung wird diese anhand der nachfolgenden Figuren näher erläutert.For a better understanding of the invention, this will be explained in more detail with reference to the following figures.

Es zeigen jeweils in stark vereinfachter, schematischer Darstellung:

Fig. 1
eine perspektivische Darstellung eines erfindungsgemäßes Pressbandes;
Fig. 2
einen Oberflächenabschnitt des Pressbandes aus Fig. 1 im näheren Detail;
Fig. 3
einen Schnitt entlang der Linie III-III aus Fig. 1;
Fig. 4
eine Draufsicht auf einen Teilbereich des Pressbandes aus Fig. 1
In each case, in a highly simplified, schematic representation:
Fig. 1
a perspective view of an inventive press belt;
Fig. 2
a surface portion of the press belt Fig. 1 in more detail;
Fig. 3
a section along the line III-III Fig. 1 ;
Fig. 4
a plan view of a portion of the press belt Fig. 1

Einführend sei festgehalten, dass in den unterschiedlich beschriebenen Ausführungsformen gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen versehen werden, wobei die in der gesamten Beschreibung enthaltenen Offenbarungen sinngemäß auf gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen übertragen werden können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich usw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind diese Lageangaben bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen.By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals or the same component names, wherein the disclosures contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or component names. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and these position information in a change in position mutatis mutandis to transfer to the new location.

Gemäß Fig. 1 kann eine Vorrichtung zur Herstellung von Dekorplatten, beispielsweise Laminaten mit Holzdekoroberflächen oder Dekorfließen mit einer Steindekoroberfläche, eine Doppelbandpresse 1 aufweisen. Auf einem unteren Band 2 sind hierbei Trägerplatten 3, auf welchen sich ein mit Harz oder Ähnlichem getränktes Papier 4, welches einen Bildaufdruck trägt, angeordnet. Bei der in Fig. 1 dargestellten Ausführungsform wird das vorgeschnittene Papier 4 auf die Trägerplatten 3 aufgelegt. Auch wenn es hier anders dargestellt ist, so bedeckt das Papier 4 die als Auflagefläche auf den Trägerplatten 3 dienende Oberfläche der Trägerplatten 3 im Wesentlichen vollständig.According to Fig. 1 For example, a device for producing decorative panels, for example laminates with wooden decorative surfaces or decorative tiles with a stone decor surface, can have a double-belt press 1. On a lower belt 2 are here carrier plates 3, on which a impregnated with resin or similar paper 4, which carries a picture print arranged. At the in Fig. 1 illustrated embodiment, the precut paper 4 is placed on the support plates 3. Although it is shown differently here, the paper 4 substantially completely covers the surface of the carrier plates 3 serving as a support surface on the carrier plates 3.

Weiters ist ein Pressband 5 vorgesehen, welches Prägestrukturen 6 aufweist, die in das mit Harz getränkte Papier 4 eingepresst werden, um eine entsprechende dreidimensionale Oberflächenstruktur in der Dekorplatte zu erhalten.Furthermore, a press belt 5 is provided, which has embossed structures 6, which are pressed into the resin-impregnated paper 4 in order to obtain a corresponding three-dimensional surface structure in the decorative plate.

Die Prägestrukturen 6 des Pressbandes 5 können voneinander durch im Folgenden als "Lücken" bezeichnete Oberflächenabschnitte 7 voneinander beabstandet sein. Die Lücken können eine Zwischenstruktur aufweisen, die sich von den Prägestrukturen 6 unterscheidet und ein "neutrales Muster", wie beispielsweise einfache geometrische Strukturen, wie gerade parallele Linien, Gitter, etc. aufweist. Bei der Zwischenstruktur handelt es sich besonders bevorzugt um ein Muster, welches hohe Ähnlichkeiten mit dem Grundmuster aufweist, jedoch im Gegensatz zu diesem keine markanten Stellen wie z.B. Astlöcher enthält.The embossed structures 6 of the press belt 5 can be spaced from one another by surface sections 7 referred to below as "gaps". The gaps may have an intermediate structure that is different from the embossed structures 6 and that has a "neutral pattern" such as simple geometric structures such as straight parallel lines, grids, etc. The intermediate structure is particularly preferably a pattern which has a high similarity with the basic pattern, but in contrast to this does not contain any prominent sites such as knotholes.

Gemäß Fig. 2 weist das Pressband 5 eine Bandinnenseite 9 und einer Bandaußenseite 10 auf. Die Prägestrukturen 6 sind hierbei auf der Bandaußenseite 9 angeordnet, wobei die Bandaußenseite 9 zumindest zwei Bereiche 15 und 16 aufweist, die einen unterschiedlichen Glanzgrad aufweisen. In der hier dargestellten Ausführungsform sind mehrere Bereiche 15 und 16 vorgesehen. Die sich in Längsrichtung des Bandes abwechseln. Alternativ oder zusätzlich zu der dargestellten Anordnung von Bereichen 15, 16 unterschiedlicher Glanzgrade können die Bereich auch in Querrichtung des Pressbandes 5 zumindest abschnittsweise nebeneinander liegend angeordnet sein, so könnten die Bereiche 15, 16 beispielsweise schachbrettartig oder gemäß einer beliebigen anderen Ordnung angeordnet sein.According to Fig. 2 the press belt 5 has a belt inside 9 and a belt outside 10. The embossed structures 6 are in this case arranged on the outside of the tape 9, wherein the tape outer side 9 has at least two regions 15 and 16 which have a different degree of gloss. In the embodiment illustrated here, a plurality of regions 15 and 16 are provided. Alternating in the longitudinal direction of the tape. As an alternative or in addition to the illustrated arrangement of regions 15, 16 of different degrees of gloss, the regions can also be arranged side by side in the transverse direction of the press belt 5, so the regions 15, 16 could be arranged, for example, like a checkerboard or any other order.

Wie in Fig. 3 dargestellt, weist das Pressband 5 einen Bandkörper 8 aus Metall auf. Das Pressband 5 kann optional eine von einem Grundmaterial des Bandkörpers 8 unterschiedliche Beschichtung, beispielsweise eine Beschichtung aus Chrom, aufweisen. Wie aus Fig. 3 weiter ersichtlich ist, sind die Prägestrukturen 6 in Form von Tälern 11 und Rippen 12 ausgebildet. Jeder der Bereiche 15 und 16 umfasst hierbei zumindest ein Tal und/oder eine Rippe. Es ist aber auch möglich, dass sowohl der erste Bereich 15 als auch der zweite Bereich 16 mehrere Täler 11 und Rippen 12 umfassen, wie dies in Fig. 4 dargestellt ist. Der Glanzgrad des ersten Bereichs 15 und des zweiten Bereichs 16 ist jedoch in allen Ausführungsformen voneinander verschieden. Innerhalb der Bereiche 15 und 16 kann der Glanzgrad über den jeweils gesamten Bereich konstant und einheitlich sein.As in Fig. 3 shown, the press belt 5 a band body 8 made of metal. The press belt 5 may optionally have a coating different from a base material of the belt body 8, for example a coating of chromium. How out Fig. 3 can be seen, the embossed structures 6 in the form of valleys 11 and ribs 12 are formed. Each of the regions 15 and 16 in this case comprises at least one valley and / or one rib. However, it is also possible that both the first region 15 and the second region 16 comprise a plurality of valleys 11 and ribs 12, as shown in FIG Fig. 4 is shown. However, the gloss level of the first region 15 and the second region 16 is different from each other in all embodiments. Within areas 15 and 16, the gloss level can be constant and uniform throughout the entire area.

Ist beispielsweise der erste Bereich 15 aus einem Tal 11 und der zweite Bereich 16 aus einer Rippe gebildet, so kann ein Boden des Tals 11 eine kleinere Rautiefe aufweisen als ein Kamm der Rippe 14 des zumindest einen zweiten Bereichs 16. Darüber hinaus kann der Kamm der Rippe 14 mit einer Schicht, beispielsweise einer Chromschicht versehen sein.If, for example, the first region 15 is formed by a valley 11 and the second region 16 is formed by a rib, then a bottom of the valley 11 can have a smaller roughness depth than a crest of the rib 14 of the at least one second region 16. In addition, the comb of the Rib 14 may be provided with a layer, for example a chromium layer.

Wie aus Fig. 4 ersichtlich ist, können die Rippen 12 und die Täler 11 des ersten Bereichs 15 gleichsinnig zueinander, bevorzugt parallel zueinander, orientiert sein. Die Rippen 14 und Täler 13 des zweiten Bereichs 16 können zumindest teilweise nicht gleichsinnig zu den Rippen 12 und Tälern 11 des ersten Bereichs 15 verlaufen. In der hier dargestellten Ausführungsform entspricht der zweite Bereich 16 einem Astloch und der erste Bereich 15 einer Maserung eines Holzstammes. Der zweite einem Astloch entsprechende Bereich 16 weist einen niedrigeren Glanzgrad als der erste Bereich 15 auf.How out Fig. 4 can be seen, the ribs 12 and the valleys 11 of the first region 15 in the same direction to each other, preferably parallel to each other, be oriented. The ribs 14 and valleys 13 of the second region 16 can at least partially not run in the same direction to the ribs 12 and valleys 11 of the first region 15. In the embodiment illustrated here, the second region 16 corresponds to a knothole and the first region 15 corresponds to a grain of a log. The second region 16 corresponding to a knothole has a lower degree of gloss than the first region 15.

Zur Herstellung des Pressbandes 5 kann auf dieses beispielsweise eine maskenförmige Beschichtung aufgebracht werden, wobei in nicht beschichteten Bereichen des Pressbandes 5 in einem weiteren Verfahrensschritt, beispielsweise durch Ätzen oder andersartiges Abtragen oder Auftragen von Material, eine Strukturierung der Bandoberfläche erzielt wird. In einem weiteren Schritt, der jedoch auch vor einem Materialabtragen oder Auftragen erfolgen kann, kann beispielsweise die Oberfläche teilweise mit Partikeln (z. B. Sand, Stahlpartikeln, keramischen Partikeln etc.) bestrahlt werden um in den Bereichen 15, 16 unterschiedliche Glanzgrade zu erzielen. So kann durch Bestrahlung des Bereichs 15 mit einem anderen Bestrahlungswinkel als dem Bereich 16 ein unterschiedlicher Materialabtrag und ein anderer Glanzgrad erzielt werden. Bestehen die Bereiche 15 und 16 jedoch nur aus einem einzigen Tal bzw. einer einzigen Rippe, so kann eine unterschiedliche Rauheit beispielsweise dadurch erzielt werden, dass nach einem Abtrag von Material durch Ätzen die gesamte Bandaußenseite 10 des Pressbandes 5 unter einem sehr flachen Winkel, beispielsweise annähernd parallel zu der Oberfläche der Bandaußenseite 10, mit einem Partikelstrahl bestrahlt wird, da in diesem Fall die Rippen 12, 14 stärker aufgeraut werden, als die Täler 11, 13. An dieser Stelle sei jedoch erwähnt, dass die Herstellung des erfindungsgemäßen Pressbandes 5 auch auf andere Arten als die oben beschriebenen erfolgen kann. So kann das Pressband 5 grundsätzlich mittels aller geeigneten chemischen, elektro-chemischen, mechanischen Arten von Materialab- bzw.-auftragen erfolgen.To produce the press belt 5, a mask-shaped coating can be applied to it, for example, wherein structuring of the belt surface is achieved in non-coated regions of the press belt 5 in a further process step, for example by etching or other removal or application of material. In a further step, which may, however, also take place before a material removal or application, for example the surface can be partially irradiated with particles (eg sand, steel particles, ceramic particles, etc.) in order to achieve different degrees of gloss in the areas 15, 16 , Thus, by irradiating the region 15 with a different irradiation angle than the region 16, a different material removal and a different degree of gloss can be achieved. However, if the areas 15 and 16 consist only of a single valley or a single rib, then a different roughness can be achieved, for example, that after a removal of material by etching the entire band outside 10 of the press belt 5 at a very shallow angle, for example Almost parallel to the surface of the band outside 10, is irradiated with a particle beam, since in this case the ribs 12, 14 are roughened more than the valleys 11, 13. At this point, it should be noted that the production of the press belt 5 according to the invention also can be done in other ways than those described above. Thus, the press belt 5 can in principle be effected by means of all suitable chemical, electrochemical, mechanical types of material removal or application.

Der Ordnung halber sei abschließend darauf hingewiesen, dass zum besseren Verständnis des Aufbaus des erfindungsgemäßen Endlosbandes dieses bzw. dessen Bestandteile teilweise unmaßstäblich und/oder vergrößert und/oder verkleinert dargestellt wurden.For the sake of order, it should finally be pointed out that in order to better understand the construction of the endless belt according to the invention, this or its components have been shown partially unevenly and / or enlarged and / or reduced in size.

BezugszeichenaufstellungREFERENCE NUMBERS

11
DoppelbandpresseDouble belt press
22
Bandtape
33
Trägerplattesupport plate
44
Papierpaper
55
Pressbandpress belt
66
Prägestrukturembossed structure
77
Oberflächenabschnittsurface section
88th
Bandkörpertape body
99
BandinnenseiteBand inside
1010
BandaußenseiteBand outside
1111
Talvalley
1212
Ripperib
1313
Talvalley
1414
Ripperib
1515
Erster BereichFirst area
1616
Zweiter BereichSecond area

Claims (9)

Pressband (5) mit einem Bandkörper (8) aus Metall und einer Bandinnenseite (9) und einer Bandaußenseite (10), wobei die Bandaußenseite (10) dreidimensionale Prägestrukturen (6) in Form von Tälern und Rippen (11, 12, 13, 14) aufweist, dadurch gekennzeichnet, dass die Bandaußenseite (10) in zumindest einem ersten zumindest ein Tal (11) und/oder zumindest eine Rippe (12) umfassenden Bereich (15) einen anderen Glanzgrad als in zumindest einem zweiten zumindest ein Tal (13) und/oder zumindest eine Rippe (14) umfassenden Bereich (16) aufweist.Press belt (5) with a band body (8) made of metal and an inner band (9) and an outer band (10), wherein the band outer side (10) three-dimensional embossed structures (6) in the form of valleys and ribs (11, 12, 13, 14 ), characterized in that the band outer side (10) in at least one first at least one valley (11) and / or at least one rib (12) comprising region (15) has a different gloss level than in at least one second at least one valley (13) and / or at least one rib (14) comprising region (16). Pressband nach Anspruch 1, dadurch gekennzeichnet, dass der zumindest eine erste Bereich (15) mehrere Täler (11) und Rippen (12) umfasst, wobei eine Oberfläche der Bandaußenseite (10) in dem zumindest einen ersten Bereich (15) einen einheitlichen Glanzgrad aufweist.Press belt according to claim 1, characterized in that the at least one first region (15) comprises a plurality of valleys (11) and ribs (12), wherein a surface of the band outside (10) in the at least one first region (15) has a uniform gloss level , Pressband nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der zumindest eine zweite Bereich (16) mehrere Täler (13) und Rippen (14) umfasst, wobei eine Oberfläche der Bandaußenseite in dem zumindest einem zweiten Bereich (16) einen einheitlichen Glanzgrad aufweist.Press belt according to claim 1 or 2, characterized in that the at least one second region (16) comprises a plurality of valleys (13) and ribs (14), wherein a surface of the band outside in the at least one second region (16) has a uniform gloss level. Pressband nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der zumindest eine erste Bereich (15) aus einem Tal (11) und der zumindest eine zweite Bereich (16) aus einer Rippe (14) gebildet ist, wobei ein Boden des Tals (11) des zumindest einen ersten Bereichs (15) eine kleinere Rautiefe aufweist als ein Kamm der Rippe (14) des zumindest einen zweiten Bereichs (16).Press belt according to one of claims 1 to 3, characterized in that the at least one first region (15) of a valley (11) and the at least one second region (16) of a rib (14) is formed, wherein a bottom of the valley (11) of the at least one first region (15) has a smaller roughness depth than a comb of the rib (14) of the at least one second region (16). Pressband nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass es eine von einem Grundmaterial des Bandkörpers (8) unterschiedliche Beschichtung, insbesondere eine Beschichtung aus Chrom, aufweist, durch welche insbesondere Kämme der Rippen (12, 14) gebildet sind.Press belt according to one of claims 1 to 4, characterized in that it comprises one of a base material of the belt body (8) different coating, in particular a coating of chromium, through which in particular combs of the ribs (12, 14) are formed. Pressband nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zumindest Abschnitte des zumindest einen ersten Bereichs (15) und des zumindest einen zweiten Bereichs (16) in einer Längsrichtung des Pressbandes (5) betrachtet hintereinander angeordnet sind.Press belt according to one of claims 1 to 5, characterized in that at least portions of the at least one first region (15) and the at least one second Region (16) in a longitudinal direction of the press belt (5) are arranged one behind the other. Pressband nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass zumindest Abschnitte des zumindest einen ersten Bereichs (15) und des zumindest einen zweiten Bereichs (16) in einer Querrichtung des Endlosbandes betrachtet nebeneinander angeordnet sind.Press belt according to one of claims 1 to 6, characterized in that at least portions of the at least one first region (15) and the at least one second region (16) are arranged side by side viewed in a transverse direction of the endless belt. Pressband nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass die Rippen (12) und Täler (11) des ersten Bereichs (15) gleichsinnig zueinander, bevorzugt parallel zueinander, orientiert sind, wobei die Rippen (14) und Täler (13) des zweiten Bereichs (16) zumindest teilweise nicht gleichsinnig zu den Rippen (12) und Tälern (11) des ersten Bereichs (15) verlaufen, wobei der zweite Bereich (16) einen niedrigeren Glanzgrad als der erste Bereich (15) aufweist.Press belt according to one of claims 2 to 7, characterized in that the ribs (12) and valleys (11) of the first region (15) are oriented in the same direction, preferably parallel to each other, wherein the ribs (14) and valleys (13) of the second region (16) at least partially do not extend in the same direction to the ribs (12) and valleys (11) of the first region (15), wherein the second region (16) has a lower gloss level than the first region (15). Vorrichtung zur Herstellung von Dekorplatten, wobei die Vorrichtung eine Doppelbandpresse (1) mit zumindest zwei Endlosbändern (2, 5) umfasst, von welchen zumindest eines als Pressband (5) mit Prägestrukturen (6) ausgebildet ist, dadurch gekennzeichnet, dass das Pressband (5) als ein Pressband (5) nach einem der Ansprüche 1 bis 8 ausgebildet ist.Apparatus for producing decorative panels, the apparatus comprising a double-belt press (1) with at least two endless belts (2, 5), of which at least one is designed as a press belt (5) with embossed structures (6), characterized in that the press belt (5 ) is formed as a press belt (5) according to one of claims 1 to 8.
EP16166966.8A 2015-04-28 2016-04-26 Endless belt with a metal tape body Active EP3088173B1 (en)

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AT503412015 2015-04-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120351C1 (en) * 1981-05-22 1982-12-09 Standex International Gmbh, 4150 Krefeld Process for preparing an embossing engraving on an embossing tool used for surface shaping of pressed laminates
EP2060658A2 (en) * 2007-11-16 2009-05-20 Hueck Engraving GmbH & Co. KG Method for processing a structured surface
EP2123476A2 (en) * 2008-05-20 2009-11-25 Flooring Industries Limited, SARL Method for manufacturing coated panels and a press element and coated panel
DE202012004375U1 (en) * 2012-05-04 2012-06-11 Hueck Rheinische Gmbh Material plate with a structured surface
EP2497650A1 (en) * 2011-03-10 2012-09-12 Hueck Rheinische GmbH Method for processing a structured surface of an embossing tool
EP2848424A1 (en) * 2013-09-13 2015-03-18 Hueck Rheinische GmbH Method for producing a surface structure on a pressing tool by the application of metal coatings

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120351C1 (en) * 1981-05-22 1982-12-09 Standex International Gmbh, 4150 Krefeld Process for preparing an embossing engraving on an embossing tool used for surface shaping of pressed laminates
EP2060658A2 (en) * 2007-11-16 2009-05-20 Hueck Engraving GmbH & Co. KG Method for processing a structured surface
EP2123476A2 (en) * 2008-05-20 2009-11-25 Flooring Industries Limited, SARL Method for manufacturing coated panels and a press element and coated panel
EP2497650A1 (en) * 2011-03-10 2012-09-12 Hueck Rheinische GmbH Method for processing a structured surface of an embossing tool
DE202012004375U1 (en) * 2012-05-04 2012-06-11 Hueck Rheinische Gmbh Material plate with a structured surface
EP2848424A1 (en) * 2013-09-13 2015-03-18 Hueck Rheinische GmbH Method for producing a surface structure on a pressing tool by the application of metal coatings

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PL3088173T3 (en) 2021-05-04
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