WO2011141043A1 - Set of panels - Google Patents

Set of panels Download PDF

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Publication number
WO2011141043A1
WO2011141043A1 PCT/EP2010/006772 EP2010006772W WO2011141043A1 WO 2011141043 A1 WO2011141043 A1 WO 2011141043A1 EP 2010006772 W EP2010006772 W EP 2010006772W WO 2011141043 A1 WO2011141043 A1 WO 2011141043A1
Authority
WO
WIPO (PCT)
Prior art keywords
edge
panels
clip
panel
set according
Prior art date
Application number
PCT/EP2010/006772
Other languages
French (fr)
Inventor
Nils-Erik ENGSTRÖM
Original Assignee
Pergo AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pergo AG filed Critical Pergo AG
Priority to BR112012026551A priority Critical patent/BR112012026551A2/en
Priority to EP10784256A priority patent/EP2569493A1/en
Priority to CN201080066681.1A priority patent/CN102884260B/en
Priority to CA2797092A priority patent/CA2797092C/en
Publication of WO2011141043A1 publication Critical patent/WO2011141043A1/en

Links

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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • 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
    • 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
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • 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
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • 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
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/044—Other details of tongues or grooves with tongues or grooves comprising elements which are not manufactured in one piece with the sheets, plates or panels but which are permanently fixedly connected to the sheets, plates or panels, e.g. at the factory
    • E04F2201/049—Other details of tongues or grooves with tongues or grooves comprising elements which are not manufactured in one piece with the sheets, plates or panels but which are permanently fixedly connected to the sheets, plates or panels, e.g. at the factory wherein the elements are made of organic plastics with or without reinforcements or filling materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape

Definitions

  • the invention relates to a set of panels comprising a first panel and at least a second panel, wherein the panels are respectively provided with a first edge and with a second edge and wherein the first edge of the first panel and the second edge of the second panel are configured to establish a connection between the first and the second panel.
  • Such a set of panels is known, for example, from WO 00/47841.
  • a first edge has a lower lip with a step
  • a second edge has a downwardly open locking groove.
  • the step cooperates with the downwardly open locking groove so that a positive-fit connection in a horizontal direction is formed.
  • the two edges can in this case be connected vertically relative to the plane of laying.
  • a separate clip is provided, which is attached to one of the edges and has a moveable clip head, which in the connected state of the panels cooperates with a locking surface on the other edge.
  • a connection as described in WO 00/47841 can advantageously be used in floor panels. It facilitates the laying of the floor panels because the floor panels can be locked with each other by a simple downward movement of one of the panels.
  • the invention is therefore based on the object of providing a set of panels, the edges of which can be connected with each other, wherein the connection between the edges has good properties and is comparatively simple to produce.
  • the clip head in a locking position, exerts a force on a locking surface of the second edge which urges the second edge of the second panel against the lower lip of the first edge of the first panel, wherein the locking position lies between an undeformed initial position and an assembly position.
  • the assembly position is the position in which the clip is maximally deformed when the profiles are connected.
  • the locking position is closer to the assembly position than to the initial position. This means that the clip continues to remain deformed in the locking position.
  • the clip head Due an appropriate configuration of the clip head and the locking surface cooperating with the clip head, it can be ensured that, even given certain manufacturing tolerances, the clip head always rests securely against the locking surface and exerts a force due to which the one lower contact surface of the second edge rests securely on a contact surface of the lower lip of the first edge.
  • the locking position in a preferred embodiment is closer to the assembly position than to the initial position. If, for example, the deformation (deformation work) in the assembly position is set to 100%, then in a preferred embodiment, the deformation in the locking position is supposed to be at least 50%. Furthermore, in a preferred embodiment, the deformation in tne locking position, relative to the maximum deformation in the assembly position, may exceed 60 or even exceed 70%.
  • the clip is inserted, with a fastening area, in a clip groove having a lower groove wall, an upper groove wall and a groove bottom.
  • the clip head does not protrude beyond an imaginary extension of the lower groove wall in the initial position, wherein the clip head sweeps over this imaginary extension during the movement, starting from the initial position into the assembly position.
  • the clip including the clip head does not protrude beyond an imaginary extension of the upper groove wall.
  • the upper groove wall and the lower groove wall are parallel to each other.
  • the upper groove wall and the lower groove wall can in this case be parallel to the plane of laying or can also include an angle.
  • the angle can be, for example 0° to 20°.
  • the movable clip head can execute a pivoting movement about a pivot axis located between the lower and upper groove wall or between their imaginary extensions.
  • the pivot axis preferably extends along the edges.
  • the fastening area can have four fastening surfaces separate from one another, of which two cooperate with the upper groove wall and the other two with the lower groove wall.
  • the four fastening surfaces in the direction of the groove bottom, are in this case arranged offset relative to one another.
  • the cross section of the fastening area in this case approximately has a zigzag shape on which the moveable clip head is formed to be pivotable.
  • FIG. 1 shows two panels in the connected state
  • Figure 2 shows a clip during insertion into a clip groove.
  • Figure 1 shows a cross section of a detail of a first panel 10 and a second panel 30, each of which are supposed to have a rectangular basic shape. It can be seen in Figure 1 that the first panel 10 has a first edge 11 cooperating with a second edge 31 of the second panel 30. The first panel 10 in this case also has a second edge which corresponds to the second edge 31 of the second panel 30 but is not shown in Figure 1. The same applies, mutatis mutandis, to the second panel 30, which also has a first edge which is not shown and corresponds to the first edge 11 of the first panel 10.
  • the first edge and the second edge are disposed opposite to one another on a panel.
  • the panels 10, 30 preferably are floor panels resting on an underlying floor U.
  • a plane of laying E in which the upper sides 12, 32 of the panels 10, 30 lie, extends parallel to the underlying floor U.
  • the upper sides 12, 32 in this case comprise a decorative layer 13, 33 attached to a core 14 and 34, respectively.
  • the core 14, 34 can consist of MDF or HDF, but can also be formed from a different material.
  • the panel 10 On an underside, the panel 10 has an underlayer 15.
  • the corresponding underlayer of the constructionally identical panel 30 is designated with the reference numeral 35.
  • the first edge 11 has a lower lip 16 with a step 17 forming a substantially vertical locking surface 18.
  • the step 17 reaches into a locking groove 36 of the second edge 31 open towards the underlying floor U.
  • the locking groove has in this case a substantially vertical locking surface 37 which cooperates with the locking surface 18 of the step 17.
  • the cooperation of the substantially vertical surfaces 18, 37 prevents the second panel 30 from being detachable from the first panel 10 in the direction D1 , i.e. parallel to the plane of laying E.
  • a lock of the panels 10, 30 in the vertical direction D2 is ensured by a clip, which in its entirety is designated with 50.
  • the vertical direction D2 is perpendicular to the plane of laying E.
  • the clip comprises a fastening area 51 which is disposed in a clip groove 19 of the first panel 10.
  • the clip groove 19 has an upper groove wall 20 and a lower groove wall 21 , both of which extend parallel to the plane of laying E.
  • the clip groove 19 has a groove bottom 22.
  • the fastening area 51 of the clip 50 has four fastening surfaces 52, 53, 54, 55 separate from one another, with lower fastening surfaces resting against the lower groove wall 21 and upper fastening surfaces 54, 55 resting against the upper groove wall 20.
  • Such an interstice can also be found between the upper fastening surfaces 54, 55 and is designated with 57.
  • the fastening surfaces 52, 53, 54, 55, in the direction of the groove bottom, or in this case in the direction D1 are arranged offset relative to one another.
  • the clip 50 which is preferably of plastic, but which can also consist of MDF or HDF, thus as a certain resilience or compressibility between the groove walls 20, 21 , which can be utilized for clamping the clip 50 into the groove 19 in a simple manner.
  • the clip 50 has a pivotable clip head 59 which is which is connected to the fastening area 51 of the clip 50 so as to be pivotable about a pivoting axis A.
  • Figure 1 in this case shows the clip head 59 in a locking position in which the clip head 59, with a head end 60, rests against a locking surface 38 of the second edge 31.
  • the head end 60 in this case has an approximately semicircular configuration.
  • the locking surface 38 transitions into a sliding surface 39, along which the clip head 59 slides with a sliding face 61 when the panels 10, 30 are connected with each other by means of a vertical downward movement of the second panel 30.
  • the sliding surface 39 in this case transitions into the locking surface 38 without any appreciable edges or steps.
  • Figure 1 indicates two further positions of the clip head 59, which are in each case shown by means of dashed lines.
  • the locking head 59 can assume an assembly position 62 in the process, so that the second edge 31 , when the panels are connected, can be lowered to the extent that it abuts against the lower lip 16 of the first edge 11.
  • the clip head 59 is strongly deformed in the assembly position 62 so that the restoring forces urge the clip head upwards again until the clip head 59 is clamped against the locking surface 38 with its head end 60.
  • Figure 1 shows the initial position 63, in which the clip head 59 and the clip 50, respectively, are undeformed.
  • the locking position deviates from the initial position. This means that the clip 50 is still deformed in the locking position, and that this deformation ensures that the clip head 59, with its head end 60, presses against the locking surface 38. This leads to the clip head 59 pressing the second edge 31 against the lower lip 16 via the locking surface 38.
  • Figure 2 shows the panel 10 with its edge 11 , with the panel now standing on its head, so that the lower side 12 is disposed at the bottom and the underlayer 15 at the top.
  • Figure 2 shows how the clip 50 can be inserted into the groove 19 by means of a linear movement.
  • the clip 50 is in the undeformed state, with the clip head 59 assuming the initial position 63 (see Figurer 1).
  • the lower fastening surfaces 52, 53 of the fastening area 51 of the clip 50 and the head end 60 lie in an extension of the lower groove wall 21.
  • the clip can be reeled off a drum prior to insertion into the groove 21. Because of its shape, in which the fastening areas 52, 53 and the head end 60 on the one hand, and the fastening areas 59, 50 on the other hand respectively lie in one line, the clip 50 can be reeled onto a drum without any appreciable warping.
  • the head end 60 at least in the assembly position 62 of the clip head 59, lies below a plane parallel to the plane of laying E, in which an upper surface 23 of the step 17 lies. Due to the above-mentioned zigzag shape, the clip has a maximal material thickness which is smaller than the distance of the groove walls 20, 21. Apart from a constricted area near the pivoting axis A, by means of which the pivotability of the clip head 59 relative to the fastening area 51 is adjusted, the material thickness varies only very little. It is thus possible for the clip produced according to the preferred production by means of the extrusion process to be uniformly and quickly cooled off.

Abstract

The invention relates to a set of panels, in particular floor panels, comprising a first panel (10) and at least a second panel (30), wherein the panels are respectively provided with a first edge (11) and with a second edge (31), wherein the first edge and the second edge are configured to establish a connection between the first and the second panel, the first edge has a lower lip (16) with a step (17), the second edge has a downwardly open locking groove (36), which in a connected state of the panels cooperates with the step and ensures a positive-fit connection in a first direction, which lies in a plane of laying, the connection can be established by a relative movement of the panels with respect to each other, perpendicular to the plane of laying, and wherein a separate clip (50) is provided, which is attached to the first edge or the second edge and has a moveable clip head (59), which in the connected state of the panels cooperates with a locking surface (38) on the second edge or the first edge, respectively, in order to lock the panels vertically relative to the plane of laying. The panels are characterized in that the clip head, in a locking position, exerts a force on the locking surface, which urges the second edge of the second panel against the lower lip of the first edge of the first panel, wherein the locking position lies between an undeformed initial position (63) and an assembly position (62), in which the clip is maximally deformed when the profiles are connected.

Description

Set of Panels
Description
The invention relates to a set of panels comprising a first panel and at least a second panel, wherein the panels are respectively provided with a first edge and with a second edge and wherein the first edge of the first panel and the second edge of the second panel are configured to establish a connection between the first and the second panel.
Such a set of panels is known, for example, from WO 00/47841. In this case, a first edge has a lower lip with a step, while a second edge has a downwardly open locking groove. In a connected state of the panels, the step cooperates with the downwardly open locking groove so that a positive-fit connection in a horizontal direction is formed. By means of a relative movement of the panels with respect to each other, the two edges can in this case be connected vertically relative to the plane of laying. In order to lock the panels vertically relative to the plane of laying, a separate clip is provided, which is attached to one of the edges and has a moveable clip head, which in the connected state of the panels cooperates with a locking surface on the other edge. A connection as described in WO 00/47841 can advantageously be used in floor panels. It facilitates the laying of the floor panels because the floor panels can be locked with each other by a simple downward movement of one of the panels. However, there is a need for an improvement of the edges including the clip with regard to the joint strength and to further simplify their manufacture.
The invention is therefore based on the object of providing a set of panels, the edges of which can be connected with each other, wherein the connection between the edges has good properties and is comparatively simple to produce.
The object on which the invention is based is achieved with the combination of features of claim 1. Preferred exemplary embodiments can be found in the dependent claims.
According to claim 1 , it is provided that the clip head, in a locking position, exerts a force on a locking surface of the second edge which urges the second edge of the second panel against the lower lip of the first edge of the first panel, wherein the locking position lies between an undeformed initial position and an assembly position. In this case, the assembly position is the position in which the clip is maximally deformed when the profiles are connected. Preferably, the locking position is closer to the assembly position than to the initial position. This means that the clip continues to remain deformed in the locking position. Due an appropriate configuration of the clip head and the locking surface cooperating with the clip head, it can be ensured that, even given certain manufacturing tolerances, the clip head always rests securely against the locking surface and exerts a force due to which the one lower contact surface of the second edge rests securely on a contact surface of the lower lip of the first edge.
As was already explained, the locking position in a preferred embodiment is closer to the assembly position than to the initial position. If, for example, the deformation (deformation work) in the assembly position is set to 100%, then in a preferred embodiment, the deformation in the locking position is supposed to be at least 50%. Furthermore, in a preferred embodiment, the deformation in tne locking position, relative to the maximum deformation in the assembly position, may exceed 60 or even exceed 70%.
In a preferred embodiment, the clip is inserted, with a fastening area, in a clip groove having a lower groove wall, an upper groove wall and a groove bottom. In this case, in a preferred embodiment, the clip head does not protrude beyond an imaginary extension of the lower groove wall in the initial position, wherein the clip head sweeps over this imaginary extension during the movement, starting from the initial position into the assembly position.
In addition, it can be provided that the clip including the clip head does not protrude beyond an imaginary extension of the upper groove wall.
Preferably, the upper groove wall and the lower groove wall are parallel to each other. The upper groove wall and the lower groove wall can in this case be parallel to the plane of laying or can also include an angle. The angle can be, for example 0° to 20°.
When the panels are connected, the movable clip head can execute a pivoting movement about a pivot axis located between the lower and upper groove wall or between their imaginary extensions. In this case, the pivot axis preferably extends along the edges.
The fastening area can have four fastening surfaces separate from one another, of which two cooperate with the upper groove wall and the other two with the lower groove wall. Preferably, the four fastening surfaces, in the direction of the groove bottom, are in this case arranged offset relative to one another. The cross section of the fastening area in this case approximately has a zigzag shape on which the moveable clip head is formed to be pivotable.
A fifth fastening surface of the fastening area can be provided, which rests against the groove bottom. The fifth fastening surface thus ensures that the clip is fixed in the direction of the groove bottom. The invention will now be explained in more detail with reference to an exemplary embodiment shown in the figures. In the figures: Figure 1 shows two panels in the connected state; and
Figure 2 shows a clip during insertion into a clip groove.
Figure 1 shows a cross section of a detail of a first panel 10 and a second panel 30, each of which are supposed to have a rectangular basic shape. It can be seen in Figure 1 that the first panel 10 has a first edge 11 cooperating with a second edge 31 of the second panel 30. The first panel 10 in this case also has a second edge which corresponds to the second edge 31 of the second panel 30 but is not shown in Figure 1. The same applies, mutatis mutandis, to the second panel 30, which also has a first edge which is not shown and corresponds to the first edge 11 of the first panel 10. Preferably, the first edge and the second edge are disposed opposite to one another on a panel.
The panels 10, 30 preferably are floor panels resting on an underlying floor U. A plane of laying E, in which the upper sides 12, 32 of the panels 10, 30 lie, extends parallel to the underlying floor U. The upper sides 12, 32 in this case comprise a decorative layer 13, 33 attached to a core 14 and 34, respectively. The core 14, 34 can consist of MDF or HDF, but can also be formed from a different material.
On an underside, the panel 10 has an underlayer 15. The corresponding underlayer of the constructionally identical panel 30 is designated with the reference numeral 35. The first edge 11 has a lower lip 16 with a step 17 forming a substantially vertical locking surface 18. ln the connected state of the panels 10, 30 or the edges 11 , 31 as it is shown in Figure 1 , the step 17 reaches into a locking groove 36 of the second edge 31 open towards the underlying floor U. The locking groove has in this case a substantially vertical locking surface 37 which cooperates with the locking surface 18 of the step 17. The cooperation of the substantially vertical surfaces 18, 37 prevents the second panel 30 from being detachable from the first panel 10 in the direction D1 , i.e. parallel to the plane of laying E.
A lock of the panels 10, 30 in the vertical direction D2 is ensured by a clip, which in its entirety is designated with 50. In this case, in the example of the floor panels, the vertical direction D2 is perpendicular to the plane of laying E.
The clip comprises a fastening area 51 which is disposed in a clip groove 19 of the first panel 10. The clip groove 19 has an upper groove wall 20 and a lower groove wall 21 , both of which extend parallel to the plane of laying E. In addition, the clip groove 19 has a groove bottom 22.
The fastening area 51 of the clip 50 has four fastening surfaces 52, 53, 54, 55 separate from one another, with lower fastening surfaces resting against the lower groove wall 21 and upper fastening surfaces 54, 55 resting against the upper groove wall 20. There is an interstice 56 between the lower fastening surfaces 52, 53. Such an interstice can also be found between the upper fastening surfaces 54, 55 and is designated with 57. The fastening surfaces 52, 53, 54, 55, in the direction of the groove bottom, or in this case in the direction D1 , are arranged offset relative to one another. The clip 50, which is preferably of plastic, but which can also consist of MDF or HDF, thus as a certain resilience or compressibility between the groove walls 20, 21 , which can be utilized for clamping the clip 50 into the groove 19 in a simple manner. A fifth fastening surface 58 adjoining to the lower fastening surface 52, rests against the groove bottom 22 and ensures a fixation of the clip in the groove 19 in the horizontal direction or in the direction opposite to the direction D1. Moreover, the clip 50 has a pivotable clip head 59 which is which is connected to the fastening area 51 of the clip 50 so as to be pivotable about a pivoting axis A. Figure 1 in this case shows the clip head 59 in a locking position in which the clip head 59, with a head end 60, rests against a locking surface 38 of the second edge 31. The head end 60 in this case has an approximately semicircular configuration. In the direction towards the underlying floor U, the locking surface 38 transitions into a sliding surface 39, along which the clip head 59 slides with a sliding face 61 when the panels 10, 30 are connected with each other by means of a vertical downward movement of the second panel 30. The sliding surface 39 in this case transitions into the locking surface 38 without any appreciable edges or steps.
In addition, Figure 1 indicates two further positions of the clip head 59, which are in each case shown by means of dashed lines. The locking head 59 can assume an assembly position 62 in the process, so that the second edge 31 , when the panels are connected, can be lowered to the extent that it abuts against the lower lip 16 of the first edge 11. However, the clip head 59 is strongly deformed in the assembly position 62 so that the restoring forces urge the clip head upwards again until the clip head 59 is clamped against the locking surface 38 with its head end 60.
Furthermore, the initial position 63, in which the clip head 59 and the clip 50, respectively, are undeformed, can be seen in Figure 1. It can be clearly seen that the locking position deviates from the initial position. This means that the clip 50 is still deformed in the locking position, and that this deformation ensures that the clip head 59, with its head end 60, presses against the locking surface 38. This leads to the clip head 59 pressing the second edge 31 against the lower lip 16 via the locking surface 38. Figure 2 shows the panel 10 with its edge 11 , with the panel now standing on its head, so that the lower side 12 is disposed at the bottom and the underlayer 15 at the top. Figure 2 shows how the clip 50 can be inserted into the groove 19 by means of a linear movement. In this case, the clip 50 is in the undeformed state, with the clip head 59 assuming the initial position 63 (see Figurer 1). In this state, the lower fastening surfaces 52, 53 of the fastening area 51 of the clip 50 and the head end 60 lie in an extension of the lower groove wall 21. As it is shown in Figure 2, the clip can be reeled off a drum prior to insertion into the groove 21. Because of its shape, in which the fastening areas 52, 53 and the head end 60 on the one hand, and the fastening areas 59, 50 on the other hand respectively lie in one line, the clip 50 can be reeled onto a drum without any appreciable warping.
It can be seen from Figure 1 , that, seen in the vertical direction, the head end 60, at least in the assembly position 62 of the clip head 59, lies below a plane parallel to the plane of laying E, in which an upper surface 23 of the step 17 lies. Due to the above-mentioned zigzag shape, the clip has a maximal material thickness which is smaller than the distance of the groove walls 20, 21. Apart from a constricted area near the pivoting axis A, by means of which the pivotability of the clip head 59 relative to the fastening area 51 is adjusted, the material thickness varies only very little. It is thus possible for the clip produced according to the preferred production by means of the extrusion process to be uniformly and quickly cooled off.

Claims

Claims
Set of panels, in particular floor panels, comprising a first panel and at least a second panel, wherein
- the panels are respectively provided with a first edge and with a second edge;
- the first edge and the second edge are configured to establish a connection between the first and the second panel;
- the first edge has a lower lip with a step;
- the second edge has a downwardly open locking groove, which in a connected state of the panels cooperates with the step and ensures a positive-fit connection in a first direction, which lies in a plane of laying;
- the connection can be established by a relative movement of the panels with respect to each other, perpendicular to the plane of laying,
- a separate clip is provided, which is attached to the first edge or the second edge and which has a moveable clip head, which in the connected state of the panels cooperates with a locking surface on the second edge or the first edge, respectively, to lock the panels in a direction perpendicular to the plane of laying,
characterized in that the clip head, in a locking position, exerts a force on the locking surface, which urges the second edge of the second panel against the lower lip of the first edge of the first panel, wherein the locking position lies between an undeformed initial position and an assembly position, in which the clip is maximally deformed when the profiles are connected.
2. Set according to claim 1 , characterized in that the locking position is closer to the assembly position than to the initial position. Set according to claim 1 or 2, characterized in that the clip is inserted, with a fastening area, in a clip groove having a lower groove wall, an upper groove wall and a groove bottom.
Set according to claim 3, characterized in that the clip head does not protrude beyond an imaginary extension of the lower groove wall in the initial position, wherein the clip head sweeps over this imaginary extension during the movement, starting from the initial position into the assembly position.
Set according to claim 3 or 4, characterized in that the clip does not protrude beyond an imaginary extension of the upper groove wall. 6. Set according to any one of the claims 1 to 5, characterized in that when the panels are connected, the movable clip head substantially executes a pivoting movement about a pivot axis located between the lower and upper groove wall. 7. Set according to any one of the claims 1 to 6, characterized in that the fastening area has four fastening surfaces separate from one another, of which two cooperate with the upper groove wall and the other two with the lower groove wall. 8. Set according to claim 7, characterized in that the four fastening surfaces, in the direction of the groove bottom, are arranged offset relative to one another.
Set according to claim 7 or 8, characterized in that a fifth fastening surface is provided which rests against the groove bottom.
PCT/EP2010/006772 2010-05-10 2010-11-08 Set of panels WO2011141043A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR112012026551A BR112012026551A2 (en) 2010-05-10 2010-11-08 panel set
EP10784256A EP2569493A1 (en) 2010-05-10 2010-11-08 Set of panels
CN201080066681.1A CN102884260B (en) 2010-05-10 2010-11-08 Set of panels
CA2797092A CA2797092C (en) 2010-05-10 2010-11-08 Set of panels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010020089.1 2010-05-10
DE102010020089 2010-05-10

Publications (1)

Publication Number Publication Date
WO2011141043A1 true WO2011141043A1 (en) 2011-11-17

Family

ID=43447804

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US20140283476A1 (en) 2014-09-25
US20110271631A1 (en) 2011-11-10
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US8978334B2 (en) 2015-03-17
US9593491B2 (en) 2017-03-14
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CN104775594B (en) 2017-09-22

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