EP2061939B1 - Vorrichtung und verfahren zur komprimierung einer kante eines bauelements und bauelement mit komprimierten kanten - Google Patents

Vorrichtung und verfahren zur komprimierung einer kante eines bauelements und bauelement mit komprimierten kanten Download PDF

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Publication number
EP2061939B1
EP2061939B1 EP07808815A EP07808815A EP2061939B1 EP 2061939 B1 EP2061939 B1 EP 2061939B1 EP 07808815 A EP07808815 A EP 07808815A EP 07808815 A EP07808815 A EP 07808815A EP 2061939 B1 EP2061939 B1 EP 2061939B1
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EP
European Patent Office
Prior art keywords
building panel
edge
press tool
building
compressed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07808815A
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English (en)
French (fr)
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EP2061939A1 (de
Inventor
Jan Jacobsson
Peter Wingardh
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.)
Valinge Innovation AB
Original Assignee
Valinge Innovation AB
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
Priority claimed from US11/521,439 external-priority patent/US8323016B2/en
Priority claimed from SE0601922A external-priority patent/SE530422C2/sv
Application filed by Valinge Innovation AB filed Critical Valinge Innovation AB
Publication of EP2061939A1 publication Critical patent/EP2061939A1/de
Application granted granted Critical
Publication of EP2061939B1 publication Critical patent/EP2061939B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • 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
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • 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
    • E04F2201/0153—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

Definitions

  • the present invention generally relates to a device and a method of compressing an edge of a building panels, especially floorboards, which have a wood fibre based core and a decorative layer, to provide curved edge portions.
  • the invention also relates to building panele produced by said device or method.
  • the invention concerns a device and a method of producing a laminate floor panel with a curve shaped and compressed edge.
  • the invention is as well applicable to building panels in general. More particularly invention relates to the type of floor panels with a wood fibre based core, e.g. HDF, MDF, particleboard, plywood, a decorative layer and a mechanically locking system for horizontal and/or vertical locking produced by the method and device.
  • a device, method and floor panel of this type is presented in W02006/088417 , which discloses a device and method to compress the edges of a laminate floor panel to provide a laminate floor panel with curve shaped edges looking like a solid wood floor panel with bevelled edges.
  • the invention aims at an improved device and a method of producing building panels, especially floorboards, with a curved edge portion made in one piece with the decorative layer, which could be produced with high speed.
  • the invention also makes it possible to produce deeper curved edge portion compared to the known technology.
  • An additional purpose of this invention is to provide building panels comprising a decorative layer and a curved edge portion, produced with the device and the method.
  • a device, method and floor panel of this type is known from W02006/088417 , which discloses a device and method to compress the edges of a laminate floor panel, to provide a laminate floor panel with a curve shaped edge.
  • the known device comprises a heat device and a press tool for heating and compressing the edge part of the panel.
  • the known method comprises the steps of:
  • the drawback of this known device and method is that cracks arise in the decorative layer if the pressure is applied too fast or if the degree of compression is too high.
  • the first object of the invention is to provide an improved device.
  • the device according to the invention comprises a heating device, a press tool and a lubricating device for lubrication of the press tool, which make it possible to produce building panels with high speed.
  • the tool is arranged rotatably and is configured to rotate when applying the pressure on the edge of the building panel.
  • the lubricating device is arranged to apply the lubricating additive at the press tool.
  • the lubricated additive additive may be of any type of grease or oil easy to wipe of from the present type of decorative surface.
  • a preferred example is synthetic teflon oil, but it is also possible to use a mineral and an organic oil with the same fluid and lubricating properties, which is possible to remove from the decorative surface.
  • the heating device comprises an IR (infra red) heating element.
  • the tool is heated.
  • the shape of the tool comprises an elliptic groove, with a larger radius in a plane parallel to decorative surface and consequently the smaller in a plane vertical to the decorative surface. This results in a bevel, which looks deeper/bigger.
  • the surface of the tool is ground. This results in lower friction between the decorative surface and the press tool, resulting in fewer cracks in the decorative surface.
  • the second object of the invention is to provide an improved method to produce a building panel with a compressed edge.
  • the method comprising:
  • the method also comprises heating of the tool.
  • the method comprises moving the building panel relative the tool via a conveyor.
  • the speed of the conveyor is preferably more than 50m/s and most preferably 100m/s or higher.
  • the third object of the invention is to provide an improved building panel with a curved edge, produced by the device and method afore mentioned.
  • the building panel preferably has an elliptic outer edge.
  • the core at the curve shaped edge is compressed more than 0,5 mm and most preferably more than 0,7 mm.
  • a preferred range of compression is between 0,5 mm to 1mm.
  • W02006/088417 Building panels with a curved edge portion are described in W02006/088417 .
  • Two main types of curved edges are shown in W02006/088417 , the old type, which involves cutting of a part of the core at the edge of the building panel or pressing the whole building panel, forming the curve shape, and a new type involving compression of the edges.
  • the two types may look the same but the new type has a compressed core, with higher density, at the edge.
  • WO2006/088417 also disclose a measuring method for distinguishing the two types.
  • a building board according to the invention is possible to distinguish from the old types with the measuring method described in WO2006/088417 and from the new type that there are fewer or no cracks in the decorative surface at the curved edge. The difference is increased with larger radius and degree of compression.
  • DE 103 43 441 B3 discloses a lubrication used when applying a covering strip to a profiled edge portion or a panel, which edge portion has ben profiled by machining.
  • DE 199 07 939 C1 discloses a concept wherein a covering strip is applied to a profiled edge portion of a panel, which edge portion has been profiled by machining.
  • the invention relates to a device and a method of producing a building panel with a compressed and curved edge and a building panel produced by the device and method.
  • FIG. 1a-1c A prior art device and method of producing a building panel with compressed and curved edges is shown with reference to figs 1a-1c .
  • FIG 2 and 3 an embodiment of a building panel according to the invention is shown, produced by a device and a method according to the invention and provided with a well-known mechanical locking system.
  • Figures 1a-c shows in three steps the prior art method of forming the compressed edge.
  • a building element is shown, which in a later step, fig 1b , is cut in to two buildings element (2, 2') and provided with an edge groove (6, 6').
  • the building element comprises a core (3), of a wood fibre based material, preferably HDF, MDF or particle board, a decorative surface (4) of a wood veneer, a laminate comprising paper sheets and a resin or a decorative printing and a balancing layer (5).
  • a mechanical locking system which will be produced at a later stage, is indicated by a dotted line.
  • heat is applied to the edges by a heat device (8).
  • a press tool (9) compresses the core at the edge of the building panel and forms the curve shape (10, 10').
  • FIG 2 an embodiment of the invention comprising a joint between two floor panels (1, 1') with the compressed and curved edges (10, 10') is shown.
  • An example of a mechanical locking system is shown for vertical and horizontal locking.
  • the horizontal locking comprises a locking strip (23), extending horizontally from a edge (24b, 24b) of a first floor panel (1) and provided with an upwardly projecting locking element (26), which cooperates with a locking groove (27) under and at the edge (24a, 25a) of a second floorboard (1')
  • the vertical locking comprises a tongue (21) at the edge (24b, 25b) of the first panel and a tongue groove (21) at the edge (24a, 25a) of the second floor panel (1').
  • Any type of locking may be used, e.g only vertical, only horizontal, a tongue lock (see WO02/055810 ) or in addition glue may be added.
  • Figure 3 shows an embodiment of the floor panel provided with the mechanical locking system and curved edges (10, 10') at the long edges and a decorative groove (30) at only one of the opposite short edges (25a, 25b).
  • the device comprising a conveyor (40) for moving a building panel (2) to a heating device (8).
  • the heating device e.g. infra-red heating element, is arranged for heating an edge of the building element.
  • the conveyor moves the building panel to a press tool for compressing the edge of building panel.
  • a press tool for compressing the edge of building panel.
  • both opposite edges are heated and subsequently compressed at the same time by a rotating press tool.
  • the device also comprises a lubricating device (41) arranged for applying a lubricating additive, preferably to the press tool or to the edge of the building panel.
  • a preferred lubricating additive is a synthetic teflon oil, but it is also possible to use a mineral and a organic oil with the same fluid and lubricating properties, which is possible to remove from the decorative surface.
  • the surface of the press tool (9) may be ground and/or tempered.
  • a material of tempered steel with a hardness of about 30-40 HRC may be used for the press tool, which may be tempered by nitro-carburizing to about 60-70 HRC and advantageously ground to a roughness of about 0,2 Ra.
  • Other method may be used for tempering for which a hardness may be achieved of about 3000-4000 Vickers.
  • a harder and smother press tool is desired, but leads to greater costs.
  • the press tool (9) may be provided with a groove with a circular (50) or an elliptic shape (51, 52), which creates a corresponding circular or elliptic shape of the curved edge of the building panel.
  • a circular (50) or an elliptic shape (51, 52) which creates a corresponding circular or elliptic shape of the curved edge of the building panel.
  • an elliptic shape a visual effect is created that the curved edge looks deeper, if the radius of the ellipse in a direction (a), parallel to the decorative surface is larger than the radius of the ellipse in a direction (b), vertical to the decorative surface.
  • the edge of the tool closest the middle of the building panel is preferably provided with a clearance angel (53) .
  • the embodiment of the building panel shown in figure 2 preferably comprises a core of a wood based material, e.g. HDF or MDF and a decorative layer of a laminate comprising paper sheets and a resin or a decorative printing, which combination is suitable for compression.
  • a wood based material e.g. HDF or MDF
  • a decorative layer of a laminate comprising paper sheets and a resin or a decorative printing, which combination is suitable for compression.
  • other types of wood based cores e.g particle board or plywood and other decorative surface may be used, e.g. veneer.
  • the building panel is provided with a balancing layer (5).
  • the core at the curve shaped edge is compressed more than 0,5 mm and most preferably more than 0,7 mm.
  • a preferred range of compression is between 0,5 mm to 1mm. Also a smaller degree of compression is obviously possible, and even a larger, but a curved edge or bevel in this range looks the most natural. With the method and the device according to the invention a building panel with such a deep compression is possible to achieve without cracks in the decorative surface.
  • the compressed edge may also comprise a straight part.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Floor Finish (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Claims (12)

  1. Vorrichtung zum Herstellen einer Gebäudeplatte (1, 2) mit einem zusammengedrückten und gewölbten Kantenabschnitt (10), wobei die Vorrichtung eine Heizvorrichtung, die so eingerichtet ist, dass sie die Kante der Gebäudeplatte erhitzt, und ein Presswerkzeug (9) umfasst, das so eingerichtet ist, dass es den Kern (3) der Gebäudeplatte an ihrer Kante zusammendrückt, wobei die Oberfläche des Presswerkzeugs (9) geschliffen und gehärtet ist; und
    das Presswerkzeug (9) drehbar angeordnet und so eingerichtet ist, dass es sich dreht, wenn der Druck auf die Kante der Gebäudeplatte ausgeübt wird,
    dadurch gekennzeichnet, dass die Vorrichtung eine Schmiervorrichtung (41) umfasst, die der Zusammendrückzone ein Schmiermittel zuführt.
  2. Vorrichtung nach Anspruch 1, wobei das Schmiermittel dem Presswerkzeug (9) zugeführt wird.
  3. Vorrichtung nach Anspruch 1, wobei das Schmiermittel der Kante der Gebäudeplatte zugeführt wird.
  4. Vorrichtung nach einem der vorangehenden Ansprüche, wobei das Schmiermittel ein Teflonöl ist.
  5. Vorrichtung nach einem der vorangehenden Ansprüche, wobei die Heizeinrichtung ein Infrarot-Heizelement umfasst.
  6. Vorrichtung nach einem der vorangehenden Ansprüche, wobei die Vorrichtung eine Presswerkzeug-Heizvorrichtung umfasst.
  7. Vorrichtung nach einem der vorangehenden Ansprüche, wobei das Presswerkzeug (9) eine Nut mit einer elliptischen oder kreisartigen Form (50, 51, 52) umfasst, der größere Radius in einer Ebene parallel zu der Dekorfläche, und der kleinere Radius in einer Ebene vertikal zu der Dekorfläche liegt.
  8. Verfahren zum Herstellen einer Gebäudeplatte (1, 2) mit einem zusammengedrückten und gewölbten Kantenabschnitt (10), wobei das Verfahren umfasst:
    Erhitzen einer Kante der Gebäudeplatte (1, 2),
    Schmieren der Kante der Gebäudeplatte oder eines Presswerkzeugs (9) und
    Zusammendrücken des Kerns an der Kante der Gebäudeplatte mit dem Presswerkzeug (9), wobei das Presswerkzeug eine geschliffene und gehärtete Fläche aufweist und drehbar angeordnet und so eingerichtet ist, dass es sich dreht, wenn der Druck auf die Kante der Gebäudeplatte ausgeübt wird.
  9. Verfahren nach Anspruch 8, wobei das Verfahren Erhitzen des Presswerkzeugs (9) umfasst.
  10. Verfahren nach Anspruch 8 oder 9, wobei das Verfahren Bewegen der Gebäudeplatte (1, 2) relativ zu dem Presswerkzeug (9) über eine Fördereinrichtung (40) umfasst.
  11. Verfahren nach einem der Ansprüche 8-10, wobei die Kante auf eine Tiefe (CD) von ungefähr 0,5 mm oder mehr, auf eine Tiefe (CD) von ungefähr 0,7 mm oder mehr oder auf eine Tiefe (CD) im Bereich von ungefähr 0,5 mm bis 1 mm zusammengedrückt wird.
  12. Verfahren nach einem der Ansprüche 8-11, wobei der gewölbte Kantenabschnitt (10) eine elliptische oder kreisartige Form hat.
EP07808815A 2006-09-15 2007-09-13 Vorrichtung und verfahren zur komprimierung einer kante eines bauelements und bauelement mit komprimierten kanten Active EP2061939B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/521,439 US8323016B2 (en) 2006-09-15 2006-09-15 Device and method for compressing an edge of a building panel and a building panel with compressed edges
SE0601922A SE530422C2 (sv) 2006-09-15 2006-09-15 Anordning och metod för kompression av en kant hos en byggpanel med värmning och smörjning
PCT/SE2007/000805 WO2008033081A1 (en) 2006-09-15 2007-09-13 Device and method for compressing an edge of a building panel and a building panel with compressed edges

Publications (2)

Publication Number Publication Date
EP2061939A1 EP2061939A1 (de) 2009-05-27
EP2061939B1 true EP2061939B1 (de) 2011-02-23

Family

ID=39184038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07808815A Active EP2061939B1 (de) 2006-09-15 2007-09-13 Vorrichtung und verfahren zur komprimierung einer kante eines bauelements und bauelement mit komprimierten kanten

Country Status (13)

Country Link
EP (1) EP2061939B1 (de)
JP (1) JP4975819B2 (de)
KR (1) KR101410317B1 (de)
AT (1) ATE499194T1 (de)
BR (1) BRPI0714737A2 (de)
CA (1) CA2663493C (de)
DE (1) DE602007012723D1 (de)
EG (1) EG25114A (de)
MX (1) MX2009002928A (de)
MY (1) MY150049A (de)
NO (1) NO339675B1 (de)
RU (1) RU2443834C2 (de)
WO (1) WO2008033081A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE527570C2 (sv) 2004-10-05 2006-04-11 Vaelinge Innovation Ab Anordning och metod för ytbehandling av skivformat ämne samt golvskiva
US8215078B2 (en) 2005-02-15 2012-07-10 Välinge Innovation Belgium BVBA Building panel with compressed edges and method of making same
US8323016B2 (en) 2006-09-15 2012-12-04 Valinge Innovation Belgium Bvba Device and method for compressing an edge of a building panel and a building panel with compressed edges
DE102008021709A1 (de) 2008-05-02 2009-11-05 Hamberger Industriewerke Gmbh Parkettbodenelement
EP2289664A1 (de) * 2009-09-01 2011-03-02 Spanolux N.V. Div. Balterio Verfahren zur Herstellung einer Verkleidungspaneels mit profilierter Kante
US8591691B2 (en) 2009-12-17 2013-11-26 Valinge Innovation Ab Methods and arrangements relating to surface forming of building panels
DE102011081075A1 (de) 2011-08-17 2013-02-21 Homag Holzbearbeitungssysteme Ag Verfahren zur Herstellung von plattenförmigen Werkstücken
WO2024054149A1 (en) * 2022-09-07 2024-03-14 Välinge Innovation AB Method to manufacture a bevel on a building panel and such a building panel

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7131242B2 (en) * 1995-03-07 2006-11-07 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
DE19945279C1 (de) * 1999-09-22 2001-04-05 Kronospan Tech Co Ltd Vorrichtung sowie Verfahren zur Herstellung von Fußbodenpaneelen und verfahrensgemäß hergestellte Paneele
JP4233191B2 (ja) * 1999-12-17 2009-03-04 大建工業株式会社 木質化粧板及びその製造方法
KR20020032972A (ko) * 2000-10-28 2002-05-04 주식회사 청림리싸이클링 폐합성섬유를 원자재로 하는 건축용 지주목 제조방법 및그 건축용 지주목
SE520084C2 (sv) * 2001-01-31 2003-05-20 Pergo Europ Ab Förfarande för framställning av sammanfogningsprofiler
JP3900935B2 (ja) * 2002-01-10 2007-04-04 凸版印刷株式会社 化粧材の製造方法
KR100478907B1 (ko) * 2002-03-20 2005-03-28 이소영 내부장식용 적층체, 제조방법 및 그 제조장치
SE525661C2 (sv) * 2002-03-20 2005-03-29 Vaelinge Innovation Ab System för bildande av dekorativa fogpartier och golvskivor därför
KR100386163B1 (ko) * 2002-11-22 2003-06-02 정성영 폐합성섬유를 원자재로 하는 방수 지주의 제조방법
WO2006031169A1 (en) * 2004-09-14 2006-03-23 Pergo (Europe) Ab A decorative laminate board
SE527570C2 (sv) * 2004-10-05 2006-04-11 Vaelinge Innovation Ab Anordning och metod för ytbehandling av skivformat ämne samt golvskiva
SI1691005T1 (sl) * 2005-02-15 2010-01-29 Vaelinge Innovation Ab Postopek za izdelavo talne plošče s stisnjenimi robovi

Also Published As

Publication number Publication date
KR101410317B1 (ko) 2014-06-20
NO339675B1 (no) 2017-01-23
MX2009002928A (es) 2009-03-31
NO20091030L (no) 2009-04-06
BRPI0714737A2 (pt) 2013-05-07
DE602007012723D1 (de) 2011-04-07
EP2061939A1 (de) 2009-05-27
KR20090063261A (ko) 2009-06-17
JP4975819B2 (ja) 2012-07-11
WO2008033081A1 (en) 2008-03-20
JP2010503552A (ja) 2010-02-04
RU2009114174A (ru) 2010-10-20
CA2663493C (en) 2015-01-27
EG25114A (en) 2011-09-13
MY150049A (en) 2013-11-29
ATE499194T1 (de) 2011-03-15
RU2443834C2 (ru) 2012-02-27
CA2663493A1 (en) 2008-03-20

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