EP1808311A1 - Panel, particularly a floor panel - Google Patents

Panel, particularly a floor panel Download PDF

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Publication number
EP1808311A1
EP1808311A1 EP06025386A EP06025386A EP1808311A1 EP 1808311 A1 EP1808311 A1 EP 1808311A1 EP 06025386 A EP06025386 A EP 06025386A EP 06025386 A EP06025386 A EP 06025386A EP 1808311 A1 EP1808311 A1 EP 1808311A1
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EP
European Patent Office
Prior art keywords
panel
chamfer
panel according
decor
machining tool
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
EP06025386A
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German (de)
French (fr)
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EP1808311B2 (en
EP1808311B1 (en
Inventor
Fritz Luettgens
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
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Flooring Technologies Ltd
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Application filed by Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to PL06025386T priority Critical patent/PL1808311T5/en
Publication of EP1808311A1 publication Critical patent/EP1808311A1/en
Application granted granted Critical
Publication of EP1808311B1 publication Critical patent/EP1808311B1/en
Publication of EP1808311B2 publication Critical patent/EP1808311B2/en
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Classifications

    • 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
    • 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
    • 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
    • E04F13/16—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 of fibres or chips, e.g. bonded with synthetic resins, or with an outer layer of fibres or chips
    • E04F13/165—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 of fibres or chips, e.g. bonded with synthetic resins, or with an outer layer of fibres or chips with an outer layer imitating natural stone, brick work, tiled surface or the like
    • 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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • 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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49623—Static structure, e.g., a building component
    • Y10T29/49629—Panel
    • 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.]
    • Y10T428/24777—Edge feature

Definitions

  • the invention relates to a panel, in particular floor panel, with a core of a wood material, in particular MDF or HDF, or of a wood material-plastic mixture and arranged on a visible side decor, the visible side on at least one side edge with an angle ⁇ provided for this chamfer is provided.
  • Such a panel is for example from the DE 203 15 676 U1 known.
  • the decor is either printed directly on the top of the panels or applied to a paper web which is pressed together with a synthetic resin layer on the visible side of the panel. The chamfer is created by milling the side edge. Subsequently, a corresponding decorative strip is glued to the bevel or printed the decor in transfer printing on the visible side.
  • the decor is provided with a structure (color differences) that corresponds to the grain of real wood, is often in the resin layer that covers the decorative layer, embossed a relief, which is intended to emphasize the real wood character by the resulting depressions or elevations.
  • laminate panels offer the advantage that they are harder, more resilient, easier to handle, easier to care for, more versatile and more versatile.
  • an attempt is made to match the look and feel of the panel to a real wood panel as realistically as possible.
  • the chamfer milled at the side edges forms a V-groove between two interconnected panels, which reproduces a faithful joint appearance.
  • the invention has the object of developing the known panel so that the area designed with the panels surface is visually and haptically closer to one of natural materials (real wood, terracotta, stone).
  • the generic panel is characterized in that the angle ⁇ of at least one chamfer varies over the length.
  • an irregularly wide chamfer is generated, which forms a V-joint in interconnected panels, which emulates an age structure through the irregular top, as it occurs through years of use resulting wear and tear of panels made of natural materials.
  • a relief is embossed in the surface of the chamfers, so that the look and feel of the joint is adapted to the top of the plate.
  • the decor is preferably printed directly on the visible side of the plate and / or the chamfer.
  • the decor paper or the carrier layer necessary for the transfer printing is saved, as a result of which the production costs are reduced.
  • a synthetic resin layer which is usually a melamine resin soaked paper, Corundum particles introduced to increase the abrasion resistance. These corundum particles lead to high tool wear.
  • a melamine resin can optionally be applied in several layers liquid or sprinkled or folded on the top of the plate including the chamfer, that after its hardening the relief is impressed.
  • a method for producing the panel with the different chamfer angle is characterized by the fact that the panel is guided with its side edge of an oscillating machining tool.
  • the machining tool preferably oscillates about an axis parallel to the transport direction of the panel.
  • machining is carried out wear-free. It is also advantageous that the control of a laser cutter is simple and no cutting forces acting on the panel.
  • the core 3 of the panel 1 consists of a wood material, in particular MDF or HDF, a wood material-plastic mixture or a pure plastic mixture.
  • the panel 1 On its visible side, the panel 1 is provided with a decor 2.
  • Spring 4 and groove 5 are provided with locking means 6, 7, via the two interconnected panels 1, 1 a, 1 b can be locked to each other, so that they can be laid without glue.
  • Such panels are referred to as click panels.
  • the panel 1 is provided with a chamfer 8, 9, which is realized over the length L of the panel 1 at different angles ⁇ , ( ⁇ 1 , ( ⁇ i) of less than 1 ° to 75 ° Size of the angle ⁇ , ( ⁇ 1 , ( ⁇ i , does not vary steadily, but arbitrarily, wherein the size of the angle ⁇ , ⁇ 1 , ( ⁇ i , the length L 1 of the area of the chamfer 8, 9, in a constant angle ( ⁇ 1 trained area iteratively will be determined in order to obtain as natural as possible "worn" V-joint. For this purpose, for example, the joint of the corresponding signs of wear having floor measured from real wood panels and the angle and lengths are transmitted accordingly.
  • the width B of the chamfers 8, 9 or the width of the V-groove 19 is different due to the changing angles ⁇ , ⁇ 1 , ⁇ i over the length L of the panel 1, 1 a, 1 b .
  • the chamfers 8, 9 may be flat or convex or concave.
  • the angles ⁇ , ⁇ 1 , ⁇ i vary in the range of 15 ° - 89 °.
  • Optically attractive joints can be produced with angles ⁇ between 37 ° and 42 ° of the chamfers 8, 9.
  • the lower edge 10, 11 of the chamfers 8, 9 runs, with respect to the visible side, straight, so that it is ensured that a tight connection between two panels 1a, 1b, 1c is ensured and no moisture can penetrate the butt joint.
  • the chamfers 8, 9 are painted or coated with a melamine resin.
  • the decor of the chamfer 8, 9 is adapted to the decor 2 on the visible side.
  • the panel 1 to be processed is guided in a so-called double end tenoner 15 and transported by the latter in the transport direction T.
  • the panel 1 comes with its top and / or its underside with a chain-shaped - not shown here - conveyor in contact, which promotes the panel 1 along its direction of movement T.
  • Panel 1 passes through various processing stations. In the processing stations, the projecting from the conveyor 15 side edges of the panel 1 are mainly machined. For example, the spring 4 and the groove 6 are milled.
  • the panel 1 is passed between two metal plates 16, 17 and fixed by means of pressure shoes.
  • the panel 1 is guided past the laser 13 which is parallel to the transport direction T extending axis 14 in direction S oscillates. So that the lower edge 10, 11 of the chamfers 8, 9 remains constant, the CNC support 12 swings up and down depending on the laser oscillation S. The frequency of the oscillation of the laser 13 is nonuniform but reproducible. Depending on the angle at which the laser 13 is at the axis 14, the angle ⁇ is generated on the panel 1.
  • the laser beam 18 evaporates the struck material and penetrates the panel 1. The residual beam strikes a special - not shown here - radiation trap and is destroyed there.

Abstract

The panel (1) has a core made of a wooden material such as medium density fiberboard (MDF) or high density fiberboard (HDF) or a mixture of wood and plastic. A pattern is applied on a visible side of the panel. A chamfer (8) is provided at a side edge of the visible side. The chamfer exhibits specific length and runs in a specified angle. The angle of one of the chamfers is varied over the length.

Description

Die Erfindung betrifft ein Paneel, insbesondere Bodenpaneel, mit einem Kern aus einem Holzwerkstoff, insbesondere aus MDF oder HDF, oder aus einem Holzwerkstoff-Kunststoff-Gemisch und einem auf einer Sichtseite angeordneten Dekor, wobei die Sichtseite an mindestens einer Seitenkante mit einer im Winkel α hierzu verlaufenden Fase versehen ist.The invention relates to a panel, in particular floor panel, with a core of a wood material, in particular MDF or HDF, or of a wood material-plastic mixture and arranged on a visible side decor, the visible side on at least one side edge with an angle α provided for this chamfer is provided.

Ein solches Paneel ist beispielsweise aus der DE 203 15 676 U1 bekannt.Such a panel is for example from the DE 203 15 676 U1 known.

Bei diesen Paneelen ist das Dekor entweder unmittelbar auf die Oberseite der Paneele aufgedruckt oder auf eine Papierbahn aufgebracht, die zusammen mit einer Kunstharzschicht mit der Sichtseite der Platte verpresst wird. Die Fase wird durch Fräsen der Seitenkante erzeugt. Anschließend wird auf die Fase ein entsprechender Dekorstreifen aufgeklebt oder das Dekor im Transferdruck auf die Sichtseite aufgedruckt. Insbesondere wenn das Bodenpaneel eine Holzoptik aufweist, also das Dekor mit einer Struktur (Farbunterschiede) versehen ist, die der Maserung von Echtholz entspricht, wird vielfach in die Kunstharzschicht, die die Dekorschicht abdeckt, ein Relief eingeprägt, das durch die dadurch entstehenden Vertiefungen bzw. Erhöhungen den Echtholzcharakter unterstreichen soll.In these panels, the decor is either printed directly on the top of the panels or applied to a paper web which is pressed together with a synthetic resin layer on the visible side of the panel. The chamfer is created by milling the side edge. Subsequently, a corresponding decorative strip is glued to the bevel or printed the decor in transfer printing on the visible side. In particular, when the floor panel has a wood look, so the decor is provided with a structure (color differences) that corresponds to the grain of real wood, is often in the resin layer that covers the decorative layer, embossed a relief, which is intended to emphasize the real wood character by the resulting depressions or elevations.

Gegenüber Echtholzpaneelen bieten diese sogenannten Laminatpaneele den Vorteil, dass sie härter, belastbarer, handlinggerechter, pflegeleichter, variantenreicher und vielseitiger sind. Um die Akzeptanz beim Verbraucher zu erhöhen, wird versucht, die Optik und Haptik des Paneels einem Echtholzpaneel möglichst naturgetreu anzupassen. Durch die an den Seitenkanten gefräste Fase bildet sich zwischen zwei miteinander verbundenen Paneelen eine V-Nut aus, die eine originalgetreue Fugenoptik wiedergibt.Compared to real wood panels, these so-called laminate panels offer the advantage that they are harder, more resilient, easier to handle, easier to care for, more versatile and more versatile. In order to increase consumer acceptance, an attempt is made to match the look and feel of the panel to a real wood panel as realistically as possible. The chamfer milled at the side edges forms a V-groove between two interconnected panels, which reproduces a faithful joint appearance.

Der Erfindung liegt die Aufgabe zugrunde, das bekannte Paneel so fortzubilden, dass die mit den Paneelen ausgelegte Fläche optisch und haptisch weiter an eine aus natürlichen Materialien (Echtholz, Terrakotta, Stein) angenähert wird. Zur Problemlösung zeichnet sich das gattungsgemäße Paneel dadurch aus, dass der Winkel α mindestens einer Fase über die Länge variiert.The invention has the object of developing the known panel so that the area designed with the panels surface is visually and haptically closer to one of natural materials (real wood, terracotta, stone). To solve the problem, the generic panel is characterized in that the angle α of at least one chamfer varies over the length.

Durch diese Ausgestaltung wird eine unregelmäßig breite Fase erzeugt, die bei miteinander verbundenen Paneelen eine V-Fuge bildet, die durch die unregelmäßige Oberkante eine Altersstruktur nachbildet, wie sie durch jahrelangen Gebrauch entstehenden Abnutzungserscheinungen von Paneelen aus Naturstoffen eintritt.By this embodiment, an irregularly wide chamfer is generated, which forms a V-joint in interconnected panels, which emulates an age structure through the irregular top, as it occurs through years of use resulting wear and tear of panels made of natural materials.

Vorteilhaft ist es, wenn auch die Fasen mit einem Dekor versehen sind.It is advantageous if the chamfers are provided with a decor.

Vorzugsweise ist in die Oberfläche der Fasen ein Relief eingeprägt, so dass die Optik und Haptik der Fuge an die Oberseite der Platte angepasst ist.Preferably, a relief is embossed in the surface of the chamfers, so that the look and feel of the joint is adapted to the top of the plate.

Das Dekor ist vorzugsweise unmittelbar auf die Sichtseite der Platte und/oder der Fase aufgedruckt. Dadurch wird das Dekorpapier bzw. die für den Transferdruck notwenige Trägerschicht eingespart, wodurch die Herstellkosten reduziert werden. Außerdem kann durch eine solche Ausgestaltung zunächst auf das Aufbringen einer Kunstharzschicht verzichtet werden. Bei herkömmlichen Paneelen sind in die Kunstharzschicht, bei der es sich in der Regel um ein melaminharzgetränktes Papier handelt, Korundpartikel eingebracht, um die Abriebfestigkeit zu erhöhen. Diese Korundpartikel führen zu einem hohen Werkzeugverschleiß. Durch das unmittelbare Aufdrucken des Dekors auf die Platte kann auf die Oberseite der Platte einschließlich der Fase ein Melaminharz ggf. in mehreren Schichten flüssig aufgetragen bzw. aufgesprüht oder aufgefalzt werden, dass nach seinem Aushärten das Relief eingeprägt wird.The decor is preferably printed directly on the visible side of the plate and / or the chamfer. As a result, the decor paper or the carrier layer necessary for the transfer printing is saved, as a result of which the production costs are reduced. In addition, can be dispensed with the application of a synthetic resin layer by such a configuration initially. In conventional panels, the synthetic resin layer, which is usually a melamine resin soaked paper, Corundum particles introduced to increase the abrasion resistance. These corundum particles lead to high tool wear. Due to the immediate printing of the decoration on the plate, a melamine resin can optionally be applied in several layers liquid or sprinkled or folded on the top of the plate including the chamfer, that after its hardening the relief is impressed.

Ein Verfahren zur Herstellung des Paneels mit dem unterschiedlichen Fasenwinkel zeichnet sich dadurch aus, dass das Paneel mit seiner Seitenkante an einem oszillierenden Bearbeitungswerkzeug vorbeigeführt wird. Dabei schwingt das Bearbeitungswerkzeug vorzugsweise um eine parallel zur Transportrichtung des Paneels verlaufende Achse.A method for producing the panel with the different chamfer angle is characterized by the fact that the panel is guided with its side edge of an oscillating machining tool. In this case, the machining tool preferably oscillates about an axis parallel to the transport direction of the panel.

Wenn als Bearbeitungswerkzeug ein Laser verwendet wird, erfolgt die Bearbeitung verschleißfrei. Vorteilhaft ist dabei außerdem, dass die Steuerung eines Laser-Schneiders einfach ist und keine Schneidkräfte auf das Paneel wirken.If a laser is used as the machining tool, machining is carried out wear-free. It is also advantageous that the control of a laser cutter is simple and no cutting forces acting on the panel.

Mit Hilfe einer Zeichnung soll die Erfindung nachfolgend näher erläutert werden:With the help of a drawing, the invention will be explained in more detail below:

Es zeigt:

Figur 1
die Seitenansicht von drei miteinander verbundenen Paneelen in Teildarstellung;
Figur 2
die Draufsicht auf die Paneele nach Figur 1;
Figur 3
die Darstellung der Figur 2 mit eingezeichneten unterschiedlichen Winkeln;
Figur 4
ein Ausführungsbeispiel eines Paneels in Seitenansicht;
Figur 5
die Prinzipdarstellung der Fase an einem Paneel in perspektivischer Darstellung;
Figur 6
eine vereinfachte Skizze eines Fertigungsschrittes.
It shows:
FIG. 1
the side view of three interconnected panels in partial view;
FIG. 2
the top view of the panels of Figure 1;
FIG. 3
the representation of Figure 2 with marked different angles;
FIG. 4
an embodiment of a panel in side view;
FIG. 5
the schematic representation of the chamfer on a panel in perspective view;
FIG. 6
a simplified sketch of a production step.

Der Kern 3 des Paneels 1 besteht aus einem Holzwerkstoff, insbesondere aus MDF oder HDF, einem Holzwerkstoff-Kunststoff-Gemisch oder einem reinen Kunststoff-Gemisch. Auf seiner Sichtseite ist das Paneel 1 mit einem Dekor 2 versehen. An den gegenüberliegenden Seitenkanten I, II weist das Paneel 1 eine Feder 4 bzw. eine hierzu korrespondierende Nut 5 auf. Feder 4 und Nut 5 sind mit Verriegelungsmitteln 6, 7 versehen, über die zwei miteinander verbundene Paneele 1, 1 a, 1 b zueinander verriegelt werden können, so dass sie leimlos verlegt werden können. Solche Paneele werden als Klick-Paneele bezeichnet.The core 3 of the panel 1 consists of a wood material, in particular MDF or HDF, a wood material-plastic mixture or a pure plastic mixture. On its visible side, the panel 1 is provided with a decor 2. At the opposite side edges I, II, the panel 1, a spring 4 and a groove 5 corresponding thereto. Spring 4 and groove 5 are provided with locking means 6, 7, via the two interconnected panels 1, 1 a, 1 b can be locked to each other, so that they can be laid without glue. Such panels are referred to as click panels.

An den gegenüberliegenden Seitenkanten I, II ist das Paneel 1 mit einer Fase 8, 9 versehen, die über die Länge L des Paneels 1 in unterschiedlichen Winkeln α, (α1, (αi von unter 1° bis 75° ausgeführt ist. Die Größe der Winkel α, (α1, (αi, ändert sich nicht stetig, sondern beliebig, wobei die Größe der Winkel α, α1, (αi, die Länge L1 des Bereiches der Fase 8, 9, die in einen konstanten Winkel (α1 ausgebildeten Bereich iterativ ermittelt werden wird, um eine möglichst naturgetreu "abgenutzte" V-Fuge zu erhalten. Dazu kann beispielsweise die Fuge eines die entsprechenden Verschleißerscheinungen aufweisenden Fußbodens aus Echtholz-Paneelen vermessen und die Winkel und Längen entsprechend übertragen werden.At the opposite side edges I, II, the panel 1 is provided with a chamfer 8, 9, which is realized over the length L of the panel 1 at different angles α, (α 1 , (α i) of less than 1 ° to 75 ° Size of the angle α, (α 1 , (α i , does not vary steadily, but arbitrarily, wherein the size of the angle α, α 1 , (α i , the length L 1 of the area of the chamfer 8, 9, in a constant angle (α 1 trained area iteratively will be determined in order to obtain as natural as possible "worn" V-joint. For this purpose, for example, the joint of the corresponding signs of wear having floor measured from real wood panels and the angle and lengths are transmitted accordingly.

Wie Figur 2 erkennen lässt, ist die Breite B der Fasen 8, 9 bzw. die Breite der V-Fuge 19 durch die sich ändernden Winkel α, α1, αi über die Länge L des Paneels 1, 1 a, 1 b unterschiedlich. Die Fasen 8, 9 können plan oder konvex bzw. konkav gewölbt ausgebildet sein. Die Winkel α, α1, αi variieren im Bereich von 15° - 89°. Optisch ansprechende Fugen lassen sich mit Winkeln α zwischen 37° und 42° der Fasen 8, 9 erzeugen.As can be seen from FIG. 2, the width B of the chamfers 8, 9 or the width of the V-groove 19 is different due to the changing angles α, α 1 , α i over the length L of the panel 1, 1 a, 1 b , The chamfers 8, 9 may be flat or convex or concave. The angles α, α 1 , α i vary in the range of 15 ° - 89 °. Optically attractive joints can be produced with angles α between 37 ° and 42 ° of the chamfers 8, 9.

Die untere Kante 10, 11 der Fasen 8, 9 verläuft, bezogen auf die Sichtseite, gerade, so dass sichergestellt ist, dass eine dichte Verbindung zweier Paneele 1a, 1b, 1 c gewährleistet ist und über die Stoßfuge keine Feuchtigkeit eindringen kann. Die Fasen 8, 9 sind lackiert bzw. mit einem Melaminharz beschichtet. Das Dekor der Fase 8, 9 ist an das Dekor 2 auf der Sichtseite angepasst.The lower edge 10, 11 of the chamfers 8, 9 runs, with respect to the visible side, straight, so that it is ensured that a tight connection between two panels 1a, 1b, 1c is ensured and no moisture can penetrate the butt joint. The chamfers 8, 9 are painted or coated with a melamine resin. The decor of the chamfer 8, 9 is adapted to the decor 2 on the visible side.

Mittels eines auf einem CNC-Support 12 befestigten Laser-Schneidkopfes 13, der mit einem Lichtleiter mit der Strahlquelle verbunden ist, lassen sich die unterschiedlichsten Fasengeometrien herstellen.By means of a mounted on a CNC support 12 laser cutting head 13, which is connected to a light guide to the beam source, the most different bevel geometries can be produced.

Wie Figur 6 verdeutlicht, wird das zu bearbeitende Paneel 1 in einem sogenannten Doppelendprofiler 15 geführt und von diesem in Transportrichtung T transportiert. Dabei kommt das Paneel 1 mit seiner Ober- und/oder seiner Unterseite mit einer kettenförmigen - hier nicht näher dargestellten - Fördereinrichtung in Kontakt, die das Paneel 1 entlang seiner Bewegungsrichtung T fördert. Das Paneel 1 passiert verschiedene Bearbeitungsstationen. In den Bearbeitungsstationen werden die aus dem Förderer 15 überstehenden Seitenkanten des Paneels 1 überwiegend spanend bearbeitet. Beispielsweise werden die Feder 4 und die Nut 6 gefräst. Um die Genauigkeit bei der Bearbeitung zu erhöhen, wird das Paneel 1 zwischen zwei Metallplatten 16, 17 hindurchgeführt und mittels Druckschuhen fixiert. Zum Schluss wird das Paneel 1 an dem Laser 13 vorbeigeführt, der um die parallel zur Transportrichtung T verlaufenden Achse 14 in Richtung S schwingt. Damit die untere Kante 10, 11 der Fasen 8, 9 konstant bleibt, schwingt der CNC-Support 12 je nach Laserschwingung S auf und ab. Die Frequenz der Schwingung des Lasers 13 ist ungleichförmig aber reproduzierbar. In Abhängigkeit vom Winkel, in dem der Laser 13 zur Achse 14 steht, wird der Winkel α am Paneel 1 erzeugt. Der Laserstrahl 18 verdampft das getroffene Material und durchdringt das Paneel 1. Der Reststrahl trifft auf eine spezielle - hier nicht näher dargestellte - Strahlenfalle und wird dort vernichtet.As FIG. 6 illustrates, the panel 1 to be processed is guided in a so-called double end tenoner 15 and transported by the latter in the transport direction T. In this case, the panel 1 comes with its top and / or its underside with a chain-shaped - not shown here - conveyor in contact, which promotes the panel 1 along its direction of movement T. Panel 1 passes through various processing stations. In the processing stations, the projecting from the conveyor 15 side edges of the panel 1 are mainly machined. For example, the spring 4 and the groove 6 are milled. In order to increase the precision in the processing, the panel 1 is passed between two metal plates 16, 17 and fixed by means of pressure shoes. Finally, the panel 1 is guided past the laser 13 which is parallel to the transport direction T extending axis 14 in direction S oscillates. So that the lower edge 10, 11 of the chamfers 8, 9 remains constant, the CNC support 12 swings up and down depending on the laser oscillation S. The frequency of the oscillation of the laser 13 is nonuniform but reproducible. Depending on the angle at which the laser 13 is at the axis 14, the angle α is generated on the panel 1. The laser beam 18 evaporates the struck material and penetrates the panel 1. The residual beam strikes a special - not shown here - radiation trap and is destroyed there.

Selbstverständlich können anstelle des Lasers 13 auch herkömmliche spanabhebende Bearbeitungswerkzeuge (Fräser, Hobel) eingesetzt werden. Zur Erzeugung der Schwingbewegung des Bearbeitungswerkzeugs kann dieses mit einer Unwucht versehen sein.Of course, instead of the laser 13 and conventional machining tools (router, planer) can be used. To generate the oscillatory movement of the machining tool this can be provided with an imbalance.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Paneelpaneling
1a1a
Paneelpaneling
1 b1 b
Paneelpaneling
22
Dekordecor
33
Kerncore
44
Federfeather
55
Nutgroove
66
Verriegelungsmittellocking means
77
Verriegelungsmittellocking means
88th
Fasechamfer
99
Fasechamfer
1010
untere Kantelower edge
1111
untere Kantelower edge
1212
CNC-SupportCNC Support
1313
Laser/LaserstrahlschneidkopfLaser / laser cutting head
1414
Achseaxis
1515
Förderer/DoppelendprofilerConveyor / Doppelendprofiler
1616
Metallplattemetal plate
1717
Metallplattemetal plate
1818
Laserstrahllaser beam
1919
V-FugeV-joint
αα
Winkelcorner
α1 α 1
Winkelcorner
αi α i
Winkelcorner
BB
Breitewidth
LL
Längelength
L1 L 1
Länge eines AbschnittesLength of a section
SS
Schwingrichtungvibration direction
TT
Transportrichtungtransport direction
II
Seitenkanteside edge
IIII
Seitenkanteside edge

Claims (13)

Paneel, insbesondere Bodenpaneel, mit einem Kern (3) aus einem Holzwerkstoff, insbesondere MDF oder HDF, oder aus einem Holzwerkstoff-Kunststoff-Gemisch und einem auf einer Sichtseite angeordneten Dekor (2), wobei die Sichtseite an mindestens einer Seitenkante (I, II) mit einer im Winkel α hierzu verlaufenden Fase (8, 9) mit einer Länge (L) versehen ist, dadurch gekennzeichnet, dass der Winkel α mindestens einer der Fasen (8, 9) über die Länge (L) variiert.Panel, in particular floor panel, with a core (3) of a wood material, in particular MDF or HDF, or of a wood-plastic mixture and arranged on a visible side decor (2), wherein the visible side on at least one side edge (I, II ) is provided with a chamfer (8, 9) extending at an angle α with a length (L), characterized in that the angle α of at least one of the chamfers (8, 9) varies over the length (L). Paneel nach Anspruch 1, dadurch gekennzeichnet, dass auch die Fase (8, 9) mit einem Dekor versehen ist.Panel according to claim 1, characterized in that also the chamfer (8, 9) is provided with a decor. Paneel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in die Oberfläche der Fase (8, 9) ein Relief eingeprägt ist.Panel according to claim 1 or 2, characterized in that in the surface of the chamfer (8, 9) a relief is impressed. Paneel nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Dekor auf der Fase (8, 9) mit einer Kunstharzschicht abgedeckt ist und dass das Relief in die Kunstharzschicht eingeprägt ist.Panel according to one or more of the preceding claims, characterized in that the decoration on the chamfer (8, 9) with a synthetic resin layer is covered and that the relief is embossed in the resin layer. Paneel nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Dekor (2) unmittelbar auf die Sichtseite des Paneels (1, 1a, 1b) und/oder der Fase (8, 9) aufgedruckt ist.Panel according to one or more of the preceding claims, characterized in that the decor (2) is printed directly on the visible side of the panel (1, 1a, 1b) and / or the chamfer (8, 9). Paneel nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Dekor (2) eine Struktur, insbesondere eine Holzmaserung aufweist.Panel according to one or more of the preceding claims, characterized in that the decor (2) has a structure, in particular a wood grain. Paneel nach Anspruch 6, dadurch gekennzeichnet, dass das eingeprägte Relief zu der Struktur korrespondiert.Panel according to claim 6, characterized in that the embossed relief corresponds to the structure. Paneel nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass zwei gegenüberliegende Seitenkanten (I, II) eine Fase (8, 9) aufweisen.Panel according to one or more of the preceding claims, characterized in that two opposite side edges (I, II) have a chamfer (8, 9). Paneel nach Anspruch 8, dadurch gekennzeichnet, dass alle Seitenkanten eine Fase (8, 9) aufweisen.Panel according to claim 8, characterized in that all side edges have a chamfer (8, 9). Verfahren zur Herstellung eines Paneels nach Anspruch 1, dadurch gekennzeichnet, dass das Paneel (1) mit seiner Seitenkante (I oder II) an einem oszillierenden Bearbeitungswerkzeug (13) vorbeigeführt wird.Method for producing a panel according to claim 1, characterized in that the panel (1) with its side edge (I or II) is guided past an oscillating machining tool (13). Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass das Bearbeitungswerkzeug (13) um eine parallel zur Transportrichtung (T) verlaufende Achse (14) schwingt.A method according to claim 10, characterized in that the machining tool (13) oscillates about a parallel to the transport direction (T) extending axis (14). Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass das Bearbeitungswerkzeug (13) ein Laser ist.A method according to claim 10 or 11, characterized in that the machining tool (13) is a laser. Verfahren nach Anspruch 11, dadurch gekennzeichnet, dass zur Erzeugung der Schwingung das Bearbeitungswerkzeug eine Unwucht aufweist.A method according to claim 11, characterized in that for generating the vibration, the machining tool has an imbalance.
EP06025386A 2005-12-29 2006-12-08 Panel, particularly a floor panel Active EP1808311B2 (en)

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US11313123B2 (en) 2015-06-16 2022-04-26 Valinge Innovation Ab Method of forming a building panel or surface element and such a building panel and surface element
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ATE391026T1 (en) 2008-04-15
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PL1808311T3 (en) 2008-09-30
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