EP2440722B1 - Panel of a floor system - Google Patents

Panel of a floor system Download PDF

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Publication number
EP2440722B1
EP2440722B1 EP20100722130 EP10722130A EP2440722B1 EP 2440722 B1 EP2440722 B1 EP 2440722B1 EP 20100722130 EP20100722130 EP 20100722130 EP 10722130 A EP10722130 A EP 10722130A EP 2440722 B1 EP2440722 B1 EP 2440722B1
Authority
EP
European Patent Office
Prior art keywords
groove
locking
side edge
characterised
panel according
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
EP20100722130
Other languages
German (de)
French (fr)
Other versions
EP2440722A1 (en
Inventor
Johann Dürnberger
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.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
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 to DE102009024511 priority Critical
Priority to DE102009035275A priority patent/DE102009035275A1/en
Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PCT/EP2010/057994 priority patent/WO2010142671A1/en
Publication of EP2440722A1 publication Critical patent/EP2440722A1/en
Application granted granted Critical
Publication of EP2440722B1 publication Critical patent/EP2440722B1/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/02038Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107Joining 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
    • E04F2201/0115Joining 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146Joining 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/041Tongues or grooves with slits or cuts for expansion or flexibility
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/044Other 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
    • E04F2201/049Other 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

Description

  • The invention relates to a panel of a floor system, in particular a laminate floor, having a first side edge and a second side edge, which is arranged opposite the first side edge, wherein the side edges are lockable with corresponding side edges of other panels, wherein the side edges can be engaged with each other wherein the first side edge is provided with at least one locking lip and an elasticity groove adjacent the locking lip, the second side edge being provided with a locking element, wherein in the locked state the locking element is engaged with the locking lip and the elasticity groove is at least partially engaged with at least one of the locking grooves Fill mass is filled.
  • Panels of this type are for example from the DE 102 31 921 A1 and the WO 2004/003314 A1 known. These panels have a carrier plate of a wood material such as medium density fiberboard (MDF) or high density fiberboard (HDF). In addition, a laminate coating can be provided on this carrier plate. A disadvantage of these panels is that the elasticity of the locking lip can only be adjusted insufficiently by the geometry of the elasticity groove.
  • The present invention is therefore based on the technical problem of providing a panel in which the elasticity of the locking lip set more satisfactory and the Connection between the locking lip and the filling compound can be improved.
  • This object is achieved according to the invention in the panel mentioned above in that the filling compound is a foamed filling material, preferably a foamed hot melt adhesive.
  • The elasticity of the locking lip can thus be adjusted by suitable introduction of a filling compound. The locking lip is preferably made like the support plate of the panel of a wood material. The carrier plate may be, for example, a medium density fiberboard (MDF) or a high density fiberboard (HDF). As a material for the carrier plate is also a mixture of a wood material and a plastic, such as a so-called wood-plastic composite, in question. The support plate of the panel may have on the top and / or the bottom of a coating, such as in the form of a paint coating and / or a laminate coating. Corresponding coatings are known from the prior art, which is why they will not be discussed in more detail below.
  • The elasticity groove may have an opening perpendicular and / or parallel to the panel, so that the locking lip can be bent in a suitable manner. In other words, the elasticity groove may, if necessary, be substantially horizontal or substantially vertical, in particular depending on whether the locking lip is substantially horizontal or vertical. The terms horizontal and vertical can be understood in this context as mere preferred directions, so that both the extension of the elasticity groove and the extent of the locking lip can be aligned significantly obliquely to the horizontal or to the vertical and thus can be provided more horizontally or more vertically.
  • A particularly simple locking can be achieved in that the side edges can be brought into engagement with each other substantially by a perpendicular movement, that the first side edge with a, preferably from the top, downwardly directed locking lip and with a on the from the outer End of the first side edge facing away from the locking lip arranged Elastizitätsnut is provided, that the locking element of the second side edge is formed as a locking spring and that in the locked state, the locking spring is engaged with the locking lip.
  • If two locking lips are provided, higher pull-out forces can be absorbed. It is advisable to adjust the elasticities of the locking lips so that the elasticity groove then adjoins both locking lips.
  • In order to simplify and / or reinforce the locking of two corresponding side edges, the locking element of the second side edge may be formed as a locking lip and an elastic groove of the second side edge adjacent to the locking lip of the second side edge and at least partially filled with at least one filling compound.
  • A simple and secure locking of the panels in the horizontal and vertical directions is ensured in a preferred embodiment, characterized in that the first side edge is provided with a, preferably from the top, downwards directed feather key and with a arranged between the key and the locking lip locking groove in that the second side edge is provided with a fitting groove adjacent to the locking spring, and in that the key is engaged with the fitting groove, the distal end of the key engaging the groove bottom of the fitting groove and the locking spring engaging with the locking groove and the locking lip in Intervention is.
  • In order to provide a suitable elasticity, the filling compound is an elastic mass, in particular a silicone, an acrylate and / or a hotmelt adhesive.
  • The filling compound is an at least partially foamed filling material in order to be able to adjust the elasticity of the locking lip in a suitable manner. A foamed filling compound is understood to mean one which has a plurality of small gas-filled cavities or pores, wherein the cavities can in turn form an open and / or closed porosity. In this case, an adaptation of the elasticity of the filling compound and thus the locking lip, for example by the choice of Verschäumungsgrads, so the proportion of the gas-filled cavity or pore volume based on the total volume of the filling material, easily done. To be particularly suitable In this context foaming in the range of 10 to 35%, in particular 15 to 20% proved.
  • By using a foamed filling compound, alternatively or additionally, a saving of material and thus a cost saving can be achieved. Foamed fillers have the additional advantage that the elasticity groove is filled up to their flanks and, if necessary, a full-surface connection between the filling compound and the flanks of the elasticity groove, in particular the flank adjoining the locking lip, can be achieved.
  • Optionally, the filling compound may already be introduced into the elasticity groove in a substantially foamed state or in any case in an essentially unfoamed state. In the latter case, the foaming of the filling material takes place essentially in the elasticity groove, whereby it is filled to the desired extent. In principle, the filling compound can be foamed chemically and / or physically, for example by blowing in a gaseous medium. As trapped in the filling gas gas is especially in physical foaming air in question.
  • Good adhesive properties for a compound of the filling compound with the edges of the elasticity are achieved with foamed hot melt adhesives, which are also referred to as hot melt adhesive. Corresponding fillers can be stored in a molten and foamed state in a tank and injected from there via a heated hose into the elasticity groove, the panel and an application nozzle being moved relative to one another along the elasticity groove.
  • In particular, when the panels are successively at a certain distance from each other, ie, in gap to each other, moved past the application nozzle, it makes sense, if the Delivery of the filling mass is pulsed. The dispensing can then be adapted to the dimensions, the feed rate and the distances of the panels so that no filling material gets into the gaps between the panels. In this way, contamination of system parts is avoided and filling material saved.
  • By a pulsed delivery of the filling compound can be alternatively or additionally achieved in a simple manner that the elasticity groove is only partially filled in the longitudinal direction. The introduction of the filling compound can in principle take place immediately after a milling out of the elasticity groove from the panel material.
  • Thus, the connection between adjacent panels is as stable as possible, but the connection can be made with little effort and without damaging the panels, it makes sense if the filling material hardens slowly. Under a slow curing is understood in this context curing, which is so slow that the filling material is fully cured when used as intended during laying only in part and only after installation. During the laying of the panel, the filling compound and thus the locking lip is still quite elastic, while the filling compound is cured only hours, days or weeks after laying, so that then a very stable connection between the panels is obtained.
  • Since it should be prevented that the filling compound cures completely during storage, the curing can be done in any case in part by drying and / or contact with atmospheric oxygen. The escape of moisture and the access of For example, atmospheric oxygen can be well prevented or at least suitably controlled in the packaged state of the panels with a suitable choice of packaging material. After unpacking the panels from the packaging, the filler can, if necessary, cure much faster than before.
  • Alternatively or additionally, the filling compound can be materially connected to the panel, which can be achieved, for example, by the previously mentioned filling compounds. Thus, the filling compound and / or the locking lip are securely fixed, even if the locking lip should break.
  • For an exact setting of the bending behavior of the locking lip over its length, the elasticity groove can at least partially be filled with at least two filling compounds differing in their modulus of elasticity. By means of a filling compound with a larger modulus of elasticity in the region of the groove base of the elasticity groove, the bending of the locking lip can be reduced so that lower voltage peaks occur there.
  • A saving in filling compound and thus in material costs can be achieved if the at least one filling compound is provided in sections along the longitudinal extent of the elasticity groove. Along the longitudinal extent of the elasticity groove, different filling masses can also be provided. In both cases, the bending behavior of the locking lip can be adapted in sections to special requirements.
  • The elasticity groove may be inclined to the vertical such that the groove bottom of the elasticity groove is located in the horizontal direction closer to the outer end of the first side edge of the panel than the opening of the elasticity groove which preferably faces the underside of the panel. As a result, a suitable bending behavior of the locking lip can be achieved and the locking lip can be stabilized. It can be further preferred if the edge of the locking lip adjoining the elasticity groove runs essentially obliquely to the vertical, the flank being spaced further apart from the outer end of the first side edge in the region of the opening of the elasticity groove in the region of the opening of the elasticity groove than in the region of the base Elastizitätsnut. Also, the elasticity groove may have a main alignment between the opening of the elasticity groove and the bottom of the elasticity groove, which is oriented obliquely to the vertical without all the flank regions of the elasticity groove also having to run obliquely to the vertical. Through all these measures, the bending behavior of the locking lip can be improved or adjusted.
  • A particularly robust locking lip can be obtained by virtue of the fact that the locking lip has at least one tapered section in the region of the base of the elasticity groove. This can be achieved in that the width of the locking lip in the region of the base of the elasticity groove has a taper in at least one cross section perpendicular to the side edge. The taper forms a predetermined breaking point or breaking edge when the taper extends substantially along the entire locking lip, so that the locking lip in case of excessive stress in the region of the bottom of the Elasticity groove breaks. Then the locking lip is fixed over a large area by the filling compound in the elasticity groove. On the one hand, the locking lip does not detach from the panel. On the other hand, the locking lip can essentially fulfill its function.
  • The elasticity groove can be widened or widened in the area of the groove base relative to the adjacent region of the elasticity groove so as to provide a predetermined breaking point in the region of the groove bottom of the elasticity groove and / or the filling compound particularly well without disturbing air inclusions, preferably adjacent to the locking lip, into the groove To be able to introduce elasticity groove. If the groove bottom is additionally or alternatively rounded, stress peaks in the material can be reduced at corresponding points. The rounding can be provided on the groove base in the longitudinal extension of the elasticity groove and / or adjacent to the locking lip in the region of the groove bottom of the elasticity groove. An expansion in the area of the base can be easily and precisely produced by a broach or an end mill.
  • The presence of an elastic groove having at least one filling compound makes it possible to make the locking lip very thin in order to increase the influence of the elasticity groove and / or the filling compound on the mechanical properties of the locking lip and to optimize these mechanical properties. The locking lip therefore preferably has a, in particular very much, smaller horizontal width than the elasticity groove.
  • A better differentiability of the panel sides can be achieved in that the filling of the elasticity groove is colored. The side edges can be color coded in this way, so that the publisher can determine the correct arrangement of the panels faster and easier.
  • In a particularly preferred embodiment of the panel, the modulus of elasticity of the at least one filling compound is adapted to the application. For example, the flexibility of the locking lip can be adjusted by a choice of the at least one filling compound and / or a targeted partial filling of the elasticity groove.
  • The laying of the panels can be facilitated by the panel having a third and a third side edge opposite fourth side edge and that the third and fourth side edge with corresponding side edges of other panels substantially by a pivoting movement about a parallel to the side edges to be joined together engageable, preferably lockable, are. Not all side edges are then engaged by a substantially vertical movement. By the pivoting movement can simultaneously a first side edge and a third side edge connected to a second or a third side edge of other panels, preferably each locked.
  • In principle, it is expedient if the first and second side edges are provided on short narrow sides of the panel. Alternatively or additionally, the panel is rectangular.
  • The invention will be explained in more detail with reference to a purely exemplary embodiments illustrative drawing. In the drawing shows
  • Fig. 1
    two locked panels of the prior art,
    Fig. 2
    the panels off Fig. 1 in the separated state,
    Fig. 3
    A first embodiment of a panel according to the invention,
    Fig. 4
    A second embodiment of a panel according to the invention,
    Fig. 5
    A third embodiment of a panel according to the invention,
    Fig. 6
    A fourth embodiment of a panel according to the invention,
    Fig. 7
    A fifth embodiment of a panel according to the invention,
    Fig. 8
    A sixth embodiment of a panel according to the invention,
    Fig. 9
    a seventh embodiment of a panel according to the invention and
    Fig. 10
    an eighth embodiment of a panel according to the invention.
  • The Fig. 1 and 2 show two panels 1 and 2 of the prior art. The panels 1 and 2 have a first side edge 3 and a second side edge 4, the side edges 3 and 4 facing each other on a same panel 1 or 2. The side edges 3 and 4 can be locked with corresponding side edges 4 and 3 further panels 1 and 2, since the profiles of the side edges 3 and 4 are formed corresponding to each other. In this case, the side edges 3 and 4 can be brought into engagement with each other substantially by a perpendicular movement.
  • The first side edge 3 has a feather key 6 directed downwards away from the upper side 5, a locking lip 7 directed downwards from the upper side 5, a locking groove 8 arranged between the feather key 6 and the locking lip 7 and a side facing away from the locking groove 8 the elasticity groove 9 arranged on the locking lip. In contrast, the second side edge 4 is provided with a locking spring 11 directed upward from the underside 10 and with a fitting groove 12 adjacent to the locking spring 11. In the locked state, the feather key 6 engages with the fitting groove 12, the distal end 13 of the feather key 6 on the groove base 14 of the fitting groove 12 is present. Further, the lock spring 11 is engaged with the lock groove 8 and the lock lip 7.
  • For the realization of the horizontal and vertical locking, the profile elements explained above have the following fitting and locking surfaces. The feather key 6 has a first fitting surface 15 adjoining the upper side 5, an inner fitting surface 16 and an inner surface a lower third mating surface 13, namely the aforementioned distal end of the feather key 6. The locking lip 7 is provided with an obliquely to the top 5 extending first locking surface 17. Furthermore, on the second side edge 4 adjacent to the top 5 fourth fitting surface 18th intended. The locking spring 11 in turn has an obliquely to the bottom 10 extending second locking surface 19 and a fifth mating surface 20. The groove base 14 of the fitting groove 12 forms a sixth fitting surface.
  • In the locked state, the first fitting surface 15 bears against the fourth fitting surface 18, the second fitting surface 16 against the fifth fitting surface 20, the third fitting surface 13 against the sixth fitting surface 14 and the first locking surface 17 against the second locking surface 19. In other words, the mating surface pair 15 and 18 and the mating surface pair 16 and 20 form the horizontal interlock, since these mating surfaces are substantially vertical. The mating surface pair 13 and 14 and the locking surface pair 17 and 19, however, form the vertical locking. Since the locking surfaces 17 and 19 are inclined, they even have an effect on both the horizontal and the vertical locking.
  • The locking groove 8 may have a first abutment surface 21 on the side opposite the feather key 6, while the locking spring 7 may have a second abutment surface 22 on the side facing away from the fitting groove 12, so that in the locked state of the two side edges 3 and 4 the first abutment surface 21 and second abutment surface 22 abut each other. This is not in itself required for the locking of the profiles, but leads to a stabilization of the entire profile.
  • In the Fig. 3a to 3c is a modification of the in the Fig. 1 and 2 illustrated panels 1 shown. The similarities of the panels arise as previously described. The modification consists essentially in that the elasticity groove 9 is filled with a filling compound 30. Therefore, in the Fig. 1 to 3 same reference numerals used for identical components.
  • The filling compound 30 is preferably an elastic mass, in particular a silicone, an acrylate and / or a hotmelt adhesive. If necessary, the elasticity groove 9 can also only be partially filled with the filling compound or with different filling compounds. The elasticity groove 9 of the illustrated panel 1 is inclined against the vertical such that the groove bottom 32 of the elasticity groove 9 is arranged in a horizontal direction closer to the outer end 34 of the first side edge 3 of the panel 1 than the opening 36 of the elasticity groove 9. The opening 36 is aligned parallel to the panel 1 in the illustrated embodiment. As the outer end, the end of the panel is understood in a direction perpendicular to the first side edge and parallel to the panel.
  • The elasticity groove 9 is further widened in the region 37 of the groove base 32 relative to the adjacent region 38 of the elasticity groove 9 such that a predetermined breaking point 40 in the form of a tapered portion 23 of the locking lip 7 is formed. When mechanical failure arises at the Predetermined breaking point 40 a crack 42. The locking lip 7 is held at the edge adjacent to the Elastizitätsnut flank 44 of the filling material 30, since the filling material 30 is materially connected to the panel 1 and in particular the locking lip 7.
  • At the in Fig. 3 shown panel 1 extends the provided on the first side edge 3 locking lip 7 substantially from top to bottom, wherein in the same direction on the side facing away from the outer end 34 of the panel 1 of the locking lip 7, the elasticity 9 extends. Corresponding thereto, provided on the second side edge 4 locking spring 11 which is in the connected state of the panel 1.2 with the locking lip 7 engages while the downward key 6 is in engagement with the fitting groove 12 and the distal end 13th the feather key 6 rests on the groove bottom 14 of the fitting groove 12. The locking spring 11 is in the connected state of the panels 1,2 with both the locking lip 7 and with the locking groove 8 into engagement, wherein the locking groove 8 between the feather key 6 and the locking lip 7 is arranged.
  • In Fig. 4 For example, two similar panels 50,52 are shown having a first side edge 54 which are provided for connection substantially in a direction parallel to the panels 50,52 and perpendicular to the first side edge 54. The first side edge 54 has a latching element 55 with two substantially horizontal locking lips 56, 58. Between and adjacent to the locking lips 56,58 is filled with a filling material 60 Elastizitätsnut 62nd intended. The elasticity 62 extends substantially parallel to the panel 50 and has an opening 63 which is aligned perpendicular to the panel 50. The second side edge 64 has a recess 66 corresponding to the latching element 55. When connecting detent element 55 and recess 66 in the direction of arrow 68, the filling compound 60 is compressed and the locking lips 56,58 are bent in the direction of the Elastizitätsnut 62.
  • In Fig. 5 there are shown two further panels 70, 72 provided for connection by a substantially vertical movement. The first side edge 74 of the panels 70,72 has an outer end 75 and two downwardly facing locking lips 76,78 which adjacent to a filled with a filling material 80, downwardly open Elastizitätsnut 82. In the, the free ends of the locking lips 76,78 facing away from tapered portions 77,79 are also provided, which can serve as predetermined breaking points for the locking lips 76,78 at excessive stress. The locking member 84 of the second side edge 86 of the similar panels 70, 72 has two locking lips 88, 90 with corresponding tapered portions 89, 91, each of the locking lips 88, 90 adjacent an elastic groove 92. The elasticity grooves 92 have in a region adjacent to the groove bottom and in a region adjacent to the opening of the elasticity groove 92 filling compounds 94,96 different moduli of elasticity.
  • In Fig. 6 For example, panels 100, 102 having a first side edge 104 having a spring 106 are shown second side edge 108 of the panels 100, 102 has a corresponding recess 110. The spring 106 can be locked by a pivoting movement with the recess 110. The second side edge 108 has on a predominantly parallel to the panel 102 outwardly projecting lower portion of a protruding locking lip 112 and a filled with a filling material 114, extending substantially in a horizontal direction elasticity 116 on. The elasticity groove 116 widens in the direction of the projecting end of the elasticity groove 116, which ends there in an opening 117 perpendicular to the panel 72.
  • In Fig. 7 two panels 120, 122 are shown corresponding to the panels 100, 102 according to FIG Fig. 6 resemble. The lower, protruding lip 122 of the second side edge 123 is predominantly formed as an elastic element 124 of an elastic filling compound. At the end of the elastic element 124, a locking means 126 made of wood-based material is provided which is connected only to the rest of the panel via the elastic element 124.
  • In Fig. 8 two further panels 130,132 with corresponding first side edges 134 with a latching element 136 and second side edges 137 with a recess 140 are shown. The latching element has a thickening 138. In extension of the recess 140 is a likewise extending in the horizontal direction, filled with a filling material 142 elasticity 144 is provided. When connecting the panels 130, 132 in the direction of the arrow 146, the locking lips 148, 150 adjoining the elasticity groove 144 on both sides become spread. Due to the filling compound 142 in the elasticity groove 144, there is no cracking of the panel 132 in the region of the recess 140, in particular in the region of the groove bottom of the recess 140.
  • In Fig. 9 panels 160, 162 are shown, in which the first side edge 164 has a spring 166 and the second side edge 168 has a corresponding groove 170. The side edges 164, 168 may be brought into engagement with each other substantially by pivotal movement of the first panel 160 about a parallel to the side edges 164, 168 to be joined. The spring 166 further includes a downwardly extending locking lip 172 having an elasticity groove 174 adjacent thereto. The elasticity groove 174 adjoins the locking lip 172 on the side of the locking lip 172 facing the outer end of the panel 160. Furthermore, a tapered gate 175 is provided on the locking lip 172 at the region facing away from the free end. Here, under increased load, the locking lip 172 will break first under ordinary circumstances. The elasticity 174 is filled with two fillers 176.178 different moduli of elasticity. The locking member 180 is formed as a lower parallel to the panel 162 outwardly projecting lip 182 with a projection 184 at the distal end. The lower lip 182 has on the bottom 186 a recess 188 which is filled with a filling compound 190, which positively influences the bending of the lower lip 182 when connecting the panels 160, 162.
  • In the in the Fig. 10 shown panel 200 is at a first side edge 202 at the bottom 204 a Locking lip 206 is provided. The locking lip 206 adjoins an elasticity groove 208, which is partially filled with interruptions 212 with a filling compound 210. Such a partial filling of a Elastizitätsnut is basically possible in the other embodiments. The corresponding with the first side edge 202 second side edge of the panel 200 may, if necessary, according to the in the Fig. 3a be formed second side edge 4 shown.

Claims (19)

  1. Panel (1, 2, 50, 52, 70, 72, 100, 102, 120, 122, 130, 132, 160, 162, 200) of a floor system, in particular of a laminate floor, comprising
    - a first side edge (3, 54, 74, 104, 134, 164, 202) and
    - a second side edge (4, 64, 86, 108, 123, 137, 168), which is arranged opposite the first side edge (3, 54, 74, 104, 134, 164, 202),
    - wherein the side edges (3, 4, 54, 64, 74, 86, 104, 108, 123, 134, 137, 164, 168, 202) can be locked with corresponding side edges (3, 4, 54, 64, 74, 86, 104, 108, 123, 134, 137, 164, 168, 202) of further panels (1, 2, 50, 52, 70, 72, 100, 102, 120, 122, 130, 132, 160, 162, 200),
    - it being possible to bring the side edges (3, 4, 54, 64, 74, 86, 104, 108, 123, 134, 137, 164, 168, 202) into engagement with one another,
    - the first side edge (3, 54, 74, 104, 134, 164, 202) being provided with at least one locking lip (7, 56, 58, 76, 78, 148, 150, 172, 206) and with a resilience groove (9, 62, 82, 116, 144, 174, 208) adjoining the locking lip (7, 56, 58, 76, 78, 148, 150, 172, 206),
    - the second side edge (4, 64, 86, 108, 123, 137, 168) being provided with a locking element,
    - in the locked state, the locking element being engaged with the locking lip (7, 56, 58, 76, 78, 148, 150, 172, 206), and
    - the resilience groove (9, 62, 82, 116, 144, 174, 208) being at least partly filled with at least one filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210), characterised in that
    - the filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) is a foamed filling compound, preferably a foamed hot-melt adhesive.
  2. Panel according to claim 1, characterised in that the resilience groove (9, 62, 82, 116, 144, 174, 208) has an opening (36) vertical and/or parallel to the panel (1, 2, 50, 52, 70, 72, 100, 102, 120, 122, 130, 132, 160, 162, 200).
  3. Panel according to claim 1 or 2, characterised in that
    - the side edges (3, 4, 74, 86) can be brought into engagement with one another substantially by a vertical movement,
    - the first side edge (3, 74) is provided with
    - a downwardly directed locking lip (7, 78) and
    - a resilience groove (9, 82) arranged on the side of the locking lip (7, 78) remote from the outer end (34, 75) of the first side edge (3, 74),
    - in that the locking element of the second side edge (4, 86) is configured as an upwardly directed locking tongue (11, 90) and
    - in that in the locked state, the locking tongue (11, 90) is engaged with the locking lip (7, 78).
  4. Panel according to any one of claims 1 to 3, characterised in that two locking lips (7, 56, 58, 76, 78, 148, 150) are provided and the resilience groove (9, 62, 82, 144) is adjacent to both locking lips (7, 56, 58, 76, 78, 148, 150).
  5. Panel according to any one of claims 1 to 4, characterised in that
    - the locking element of the second side edge (72) is configured as a locking lip (88, 90) and
    - in that a resilience groove (92) is provided which adjoins the locking lip (88, 90) of the second side edge (72) and is at least partly filled with at least one filling compound (94, 96).
  6. Panel according to any one of claims 1 to 5, characterised in that
    - the first side edge (3) is provided with a fitting key (6) directed away downwards and with a locking groove (8) arranged between the fitting tongue (6) and the locking lip (7),
    - the second side edge (4) is provided with a fitting groove (12) adjoining the locking tongue (11), and
    - in the locked state, the fitting tongue (6) is engaged with the fitting groove (12), the distal end (13) of the fitting tongue (6) resting against the base (14) of the fitting groove (12) and the locking tongue (11) being engaged with the locking groove (8) and the locking lip (7).
  7. Panel according to any one of claims 1 to 6, characterised in that the filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) is a resilient compound, in particular a silicone, an acrylate and/or a hot-melt adhesive.
  8. Panel according to any one of claims 1 to 7, characterised in that the filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) is a filling compound which cures slowly, preferably in any case partly by drying and/or though contact with atmospheric oxygen.
  9. Panel according to any one of claims 1 to 8, characterised in that the filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) is joined in a firmly bonded manner with the panels (1, 50, 70, 72, 100, 120, 122, 132, 160, 162, 200).
  10. Panel according to any one of claims 1 to 9, characterised in that
    - the resilience groove (92, 174) is at least partly filled with at least two different filling compounds (94, 96, 176, 178) and
    - the two filling compounds (94, 96, 176, 178) differ in their modulus of elasticity.
  11. Panel according to any one of claims 1 to 10, characterised in that the at least one filling compound (210) is provided in portions along the longitudinal extent of the resilience groove (208).
  12. Panel according to any one of claims 1 to 11, characterised in that the resilience groove (9) is inclined with respect to the vertical such that the base (32) of the resilience groove (9) is arranged closer in the horizontal direction to the outer end (34) of the first side edge (3) of the panel (1) than the opening (36) of the resilience groove (9).
  13. Panel according to any one of claims 1 to 12, characterised in that the locking lip (7, 76, 78, 88, 90) has at least one tapered portion (77, 79, 89, 91) in the region of the base (32) of the resilience groove (9) and/or in the region remote from the free end.
  14. Panel according to any one of claims 1 to 13, characterised in that the resilience groove (9) is widened in the region of the base (32) of the groove compared to the adjoining region (38) of the resilience groove (9).
  15. Panel according to any one of claims 1 to 14, characterised in that the locking lip (7) has a smaller horizontal width than the resilience groove (9).
  16. Panel according to any one of claims 1 to 15, characterised in that the filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) of the resilience groove (9, 62, 82, 116, 144, 174, 208) is coloured.
  17. Panel according to any one of claims 1 to 16, characterised in that the modulus of elasticity of the at least one filling compound (30, 60, 80, 94, 96, 114, 142, 176, 178, 190, 210) is adapted to the application.
  18. Panel according to any one of claims 1 to 17, characterised in that
    - the panel has a third side edge and a fourth side edge opposite the third side edge, and
    - the third and fourth side edges can be looked with corresponding side edges of further panels substantially by a swivelling movement about a parallel to the side edges to be joined.
  19. Panel according to any one of claims 1 to 18, characterised in that the first and second side edges are provided on short narrow sides of the panel.
EP20100722130 2009-06-08 2010-06-08 Panel of a floor system Active EP2440722B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102009024511 2009-06-08
DE102009035275A DE102009035275A1 (en) 2009-06-08 2009-07-29 Panel of a floor system
PCT/EP2010/057994 WO2010142671A1 (en) 2009-06-08 2010-06-08 Panel of a floor system

Publications (2)

Publication Number Publication Date
EP2440722A1 EP2440722A1 (en) 2012-04-18
EP2440722B1 true EP2440722B1 (en) 2014-09-24

Family

ID=43049397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100722130 Active EP2440722B1 (en) 2009-06-08 2010-06-08 Panel of a floor system

Country Status (8)

Country Link
US (1) US8820014B2 (en)
EP (1) EP2440722B1 (en)
CN (1) CN102459780B (en)
DE (1) DE102009035275A1 (en)
ES (1) ES2525800T3 (en)
PT (1) PT2440722E (en)
RU (1) RU2499111C2 (en)
WO (1) WO2010142671A1 (en)

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Also Published As

Publication number Publication date
RU2499111C2 (en) 2013-11-20
ES2525800T3 (en) 2014-12-30
DE102009035275A1 (en) 2010-12-09
RU2011153329A (en) 2013-07-20
CN102459780A (en) 2012-05-16
US8820014B2 (en) 2014-09-02
WO2010142671A1 (en) 2010-12-16
US20130036695A1 (en) 2013-02-14
PT2440722E (en) 2014-12-22
EP2440722A1 (en) 2012-04-18
CN102459780B (en) 2015-04-01

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