EP1397568A1 - Plaques a profil enfichable - Google Patents

Plaques a profil enfichable

Info

Publication number
EP1397568A1
EP1397568A1 EP01274314A EP01274314A EP1397568A1 EP 1397568 A1 EP1397568 A1 EP 1397568A1 EP 01274314 A EP01274314 A EP 01274314A EP 01274314 A EP01274314 A EP 01274314A EP 1397568 A1 EP1397568 A1 EP 1397568A1
Authority
EP
European Patent Office
Prior art keywords
panels
groove
plates
joint
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01274314A
Other languages
German (de)
English (en)
Other versions
EP1397568B1 (fr
Inventor
Maik Moebus
Karl-Heinz Konzelmann
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.)
M Kaindl OG
Original Assignee
M Kaindl 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
Application filed by M Kaindl OG filed Critical M Kaindl OG
Publication of EP1397568A1 publication Critical patent/EP1397568A1/fr
Application granted granted Critical
Publication of EP1397568B1 publication Critical patent/EP1397568B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0123—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels parallel to the abutting edges
    • 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
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/025—Non-undercut connections, e.g. tongue and groove connections with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/07—Joining sheets or plates or panels with connections using a special adhesive material

Definitions

  • the invention relates to panels with locking elements mounted on the side in addition to their laying.
  • a plate of the type mentioned is from
  • a panel is a generally elongated, thin plate that can be connected to other panels laterally, i.e. on the long and short sides, for example using grooves and tongues. Panels connected in this way are used in particular as flooring or as wall cladding.
  • the connected panels are assembled, for example, to form a floor covering, which is known under the name laminate floor.
  • the panels include a carrier plate made of a wood-based material and a decorative paper on the top along with protection against abrasion
  • each spring has at least one continuous, protruding locking element on an upper and / or lower side.
  • Each groove is provided with grooves so that the protruding locking element comes into the corresponding groove after two panels have been plugged together. This results in a glueless sealing bond between two panels.
  • glue is not required to assemble panels into a floor or wall covering. Of course, it is still possible and in some cases - also with the present invention - advantageous to additionally glue.
  • the object of the invention is to provide panels which can be connected to one another without glue, which, after the installation has been completed, have no play in the connecting joint and in which the requirements for the manufacturing tolerances are low in comparison with the aforementioned prior art.
  • a plate according to the invention comprises side-mounted locking means, with which two plates can be glued together laterally by positive locking. There is a glueless connection between two panels if they are due to a positive fit
  • the locking elements are designed in such a way that, in an initial position, the plates or panels are interlocked with one another at least in one direction by positive locking. At the joint, however, there is a
  • the panels can be pulled apart a little (depending on the size of the play), perpendicular to the joint and then pushed back towards each other - perpendicular to the joint.
  • the locking elements are also designed so that an end position is reached only in subsequent displacement, in which there is no play between the plates or panels. In the end position, the aforementioned shifting is no longer possible due to play perpendicular to the joint.
  • connection between two panels Since the connection between two panels initially has play in the starting position, it is not necessary to adhere to the high manufacturing accuracies mentioned at the outset for the connection. The connection succeeds even if the plates should have warped a little.
  • the invention does not require precise manufacture to create a glueless connection between two plates, since there is at least one lock in at least one direction with sufficient play.
  • the locking elements are also designed so that the play, which is still present in the starting position, disappears between the joints by displacement.
  • a plate has a groove and / or a tongue on the side.
  • the spring protrudes laterally parallel to the surface of the plate.
  • the groove has been milled in parallel to the surface of the plate, for example.
  • the plates have further locking elements that enable the positive connection parallel to the surface and perpendicular to the connection joint.
  • this is a second groove that has been milled in perpendicular to the surface, for example.
  • the second groove can be provided on the underside of a plate or in the first-mentioned groove. To provide such a groove on the underside of the plate is known from FIGS. 1 of WO 94/2699.
  • publication WO 94/2699 provides a locking strip projecting over the connecting edge of the associated plate, at the end of which the projecting locking element is attached. If the corresponding locking element protrudes into the second groove, the two plates are then also connected to one another by positive locking such that the plates cannot be detached from one another by shifting in a plane perpendicular to the joint.
  • this starting position there is the aforementioned game.
  • Such a game is described, for example, in publication WO 94/2699 and designated “ ⁇ ” in FIG. 1a.
  • FIG. 4 of publication GB 2 256 023 A is known from FIG. 4 of publication GB 2 256 023 A.
  • the second groove or the corresponding lateral boundary now has such a course on that "a displacement of the plates parallel to the joint has the result that the one plate is at the same time on the other plate is moving. This movement continues until the game is no longer available.
  • the course mentioned is preferably realized in that the side walls of the second groove run in an undulating, serpentine or sawtooth-like manner.
  • the width of the groove can taper. It is essential in this embodiment that the distance between the second groove and the adjacent joint varies. In an embodiment which is similar to FIG. 1 of WO 94/2699, the distance between the joint and the wall of the groove, which is closer to the connecting wall than the other wall of the groove, is important.
  • the plates or panels are first connected in such a way that the protruding locking element (s) reaches the second groove at a point that is close to the connecting joint. If one of the two plates is now moved parallel to the common joint, which is called the connecting joint, the protruding locking element finally reaches areas of the second groove which are at a greater distance from the connecting joint. The ..plates move towards each other almost automatically until the game is finally eliminated. The end position has been reached.
  • the first-mentioned groove comprises a protruding flank or lip.
  • the mentioned starting position can be provided by a rotary movement around the connecting joint.
  • An essentially rigid protruding lip is to be preferred on a regular basis since the locking is then particularly stable.
  • This case is shown, for example, in FIG. 18 of US 4,426,820.
  • the protruding locking element of one plate is located outside the first-mentioned groove.
  • the lower lip protrudes correspondingly far compared to the one above.
  • the second groove in the other plate then in some cases approaches the connecting joint to such an extent that the protruding locking element or elements reach the second groove by lowering the second groove of the one plate in the direction of the protruding locking element or elements of the other plate.
  • This embodiment is particularly easy to use. Installation is still possible even if several elongated panels are already connected on the narrow sides and these are to be connected together with an already installed row of panels.
  • the invention has significant handling advantages over glue-less connectable panels, which only have to be connected by a rotary movement on the narrow sides, for example due to the rigid protruding lip, before the longitudinal sides are connected in the same way by a rotary movement.
  • glue-less connectable panels which only have to be connected by a rotary movement on the narrow sides, for example due to the rigid protruding lip, before the longitudinal sides are connected in the same way by a rotary movement.
  • further grooves can branch off from the second groove in the direction of the connecting joint and end here. Protruding locking elements can then be pushed from the outside through these branches in the direction of the second groove. ' If these are at the level of the second groove, the plates are moved parallel to each other until the starting position mentioned is reached. A further shift parallel to the connection joint has the result that the end position is reached.
  • connection on the narrow sides can be a glueless connection according to the prior art. These are preferably those with a projecting lower rigid lip or flank, since such connections are particularly strong.
  • connection joint is relatively short, so that manufacturing inaccuracies are less problematic.
  • the long sides are then connected to one another by moving them in one plane. Finally, there is a particularly firm glueless connection. The handling is very simple.
  • the further groove which is located in the flank of the first-mentioned groove, together with the above locking element on the top or bottom of the tongue, causes the positive connection parallel to the surface of the panels and perpendicular to the connecting joint.
  • Such a further or second groove is preferably provided only in the lower flank. Accordingly, the above corresponding locking element is then provided on the underside of the spring. It has been found that a protruding locking element on the top of the tongue together with the corresponding groove on thin panels adversely affects the appearance of the panel surface. It can happen very easily that the above locking element causes a pressure, for example due to manufacturing inaccuracies, which causes a kind of dent on the surface.
  • a panel is thin in the sense of the invention if it is not thicker than 14 mm, in particular if it is not thicker than 10 mm.
  • connection which is provided in particular for the narrow sides of an elongated panel, has a further laterally attached upper groove on a panel in addition to a corresponding one on the side upper tongue on another panel.
  • the upper groove is located above the tongue with the protruding locking element.
  • the upper tongue is located above the first-mentioned groove. So it is a "double tongue and groove" -
  • connection that interlocks the two panels perpendicular to the surface by positive locking.
  • the upper groove or is less deep than the first-mentioned groove, which lies below the upper tongue.
  • the upper tongue is correspondingly shorter compared to the tongue that lies below the upper groove.
  • This connection has proven to be particularly stable for narrow sides. If the side connection is additionally glued or provided in the factory with an adhesive that is only activated during installation or afterwards, for example, by applying pressure or applying heat, a particularly large contact area is available.
  • gluing is provided in the double tongue and groove connection, one or more is preferred
  • Recesses are provided to accommodate excess adhesive.
  • the recesses provide cavities within the connection joint.
  • such a cavity is provided between the upper tongue and groove connection and the one below it.
  • one or each groove is preferably deeper than the corresponding tongue, so that a cavity remains between the end of the tongue and the bottom of the groove.
  • a recess can have a connection joint on the underside of the panels below the first groove and the first tongue.
  • End position is in a region of the second groove, which at least approximates a parallel course of the groove relative to the connecting joint. This counteracts undesired slipping back towards the starting position.
  • an adhesive is provided in the region of the end position, which connects at least the second groove to the above locking element.
  • the adhesive also prevents the aforementioned undesired slipping back from the end position towards the starting position.
  • the adhesive is preferably applied at the factory and is only activated by pressure or heat.
  • the adhesive can, for example, be encapsulated in the second groove where the protruding locking element is likely to reach in the end position. As soon as this happens, the capsule is destroyed by the pressure and the elements are glued together.
  • the components of a two-component adhesive can be applied protruding locking elements and second grooves can be distributed. The different components mix in the end position.
  • the adhesive improves cohesion on the one hand and protects the connecting joints against the ingress of moisture on the other. If the focus is on moisture protection, a water-repellent paste or sticky mass can be provided instead of the adhesive. Such a water-repellent paste or sticky mass is generally suitable for any glue-free connection in order to avoid the penetration of moisture into the connection joints and the associated damage.
  • the contact surface or the walls, which form the contact surface between the above locking element and the corresponding groove, preferably run perpendicular to the surface of the plates.
  • the contact surface runs at an angle.
  • the oblique course of the contact surface has the disadvantage, in particular in the case of an elastic flank or protruding lip of a groove, that a panel can also slip out again when loaded.
  • the walls that form the contact surface are even undercut.
  • the contact surface then again has a slope relative to the surface.
  • this incline runs in reverse to the inclined contact surface which is the subject of the patent EP 843 763 B1. In the end position, this reverse bevel causes such a toothing that an adhesive-free connection according to the invention is provided in this way alone.
  • a paste, a pressure sensitive adhesive or a sticky mass is used as a sealant, two panels that are connected to one another are not firmly glued to one another, but can easily be removed from one another afterwards.
  • the paste or sticky mass can also be applied to the locking elements and / or lateral edges of a panel immediately before laying. If the paste or sticky mass swells out of the joints or connecting edges when laying, this excess can build up Paste or mass can be easily removed from the surface without leaving any residue.
  • the joint is reliably sealed so that no moisture can penetrate the joint from the (floor) surface. This means that the seal can be reliably made up to the top edge without compromising the appearance of the surface due to sealant residues. Applying an excess of paste or mass to the locking elements and / or side edges is even advantageous, because then when
  • Moisture problems can be avoided particularly cheaply with panels that can be glued together without glue.
  • Such panels which can be connected to one another by positive locking and thus without glue, are available on the market in various embodiments.
  • a form fit for example those which have locking elements according to the first claim
  • the problem of moisture is particularly great in the case of panels which can be connected to one another by a positive fit, since moisture can penetrate into the joints due to the lack of glue.
  • FIG. 1 two plates 1 and 2 are shown in the upper figure, which have laterally attached locking means.
  • the locking means connect the plates 1 and 2 without glue.
  • the plates 1 and 2 according to FIG. 1 are connected or locked perpendicularly to the surface 3 of the plates 1 and 2 and parallel to the plate surface 3 by positive locking.
  • the two plates 1 and 2 are locked to one another perpendicular to the common connecting joint 4. A displacement of the plate 1 relative to the plate 2 parallel to the connecting joint 4 is possible to a limited extent.
  • the locking elements according to FIG. 1 are designed such that, starting from an initial position, they move in a plane parallel to the connecting joint a final position is reached at which there is no play between panels 1 and 2 or panels.
  • the plate 1 has a groove 5 on the side as the first locking element.
  • the groove 5 has been milled laterally parallel to the surface of the plate 1, for example.
  • the plate 2 has a spring 6 on the side.
  • the spring 6 protrudes laterally parallel to the surface 3 of the plate 2.
  • the plates 1 and 2 have further locking elements which enable the positive connection parallel to the surface 3 and perpendicular to the connecting joint 4.
  • This is a second groove 7, which was milled perpendicular to the surface 3 into a lower protruding lip or flank 8 of the groove 5.
  • the groove 7 thus represents a further locking element of the plate 1.
  • the other plate 2 there is a projecting locking element 9 corresponding to the groove 7, which - as shown in the upper illustration in FIG. 1 - has entered the second groove 7 when the plates 1 and 2 are locked together.
  • the two panels 1 and 2 are then also connected to one another by positive locking so that the panels cannot be detached from one another by shifting in a plane perpendicular to the joint.
  • the second groove 7 or the corresponding lateral boundary of the second groove 7 has such a course that a displacement of the plate 1 relative to the plate 2 parallel to the joint has the result that the one plate 1 moves towards the other plate 2 at the same time becomes. This movement continues until the game is no longer available.
  • a side wall 10 of the second groove 7 extends in a zigzag shape.
  • the figure below shows the top of plate 1.
  • the width of the groove 7 varies. It is essential that the distance between the lateral boundary 10 of the groove 7 and the adjacent joint 4 varies. In this embodiment, it depends on the distance between the joint 4 and the wall 10 of the groove 7, which is further away than the other lateral, oblique wall 11 of the groove 7 at the connecting joint 4.
  • the plates or panels are first connected in such a way that the locking element (s) 9 protrude into the second groove 7 at a point where there is a large distance between the wall 11 and the connecting joint 4. The distance is maximum at points 12. If one of the two plates 1 and 2 is now moved parallel to the joint 4, the protruding locking element 9 finally reaches areas of the second groove 7 in which the side wall 10 is at a smaller distance from the connection joint 4. The plates 1 and 2 move compulsorily during the shift towards each other at the same time until the game is finally eliminated. The end position has been reached.
  • the mentioned starting position can be provided by a rotary movement around the connecting joint 4. If the protruding lip 8 is elastic, the plates 1 and 2 can also be connected by shifting in one plane. Then the protruding elastic lip 8 has a bevel 13 at its upper end. Corresponding to this, the lower end of the spring 6 has a slope 14.
  • the bevels simplify the connection if the plates 1 and 2 which have not yet been connected to one another are to be brought into the starting position by displacement in one plane.
  • This embodiment is particularly easy to use. Installation is still possible even if several elongated panels are already connected on the narrow sides and these are to be connected together with an already installed row of panels.
  • the wall 16 of the protruding locking element is also zigzag or serpentine.
  • the zigzag or serpentine course of the wall 16 is matched to the zigzag or serpentine course of the wall 10 so that the mentioned starting position and the end position can be assumed.
  • the wall 10 forms a contact surface with the wall 16. There is play between the wall 10 and the wall 16 when the starting position is taken. The game is no longer available when the end position is reached.
  • further grooves can branch off from the second groove 7 in the direction of the plate 2 and at the end of the above
  • Flank 8 must be openly accessible.
  • the branching grooves open at points 12 or adjacent.
  • Protruding locking elements 9 can then be pushed from the outside through these branches in the direction of the second groove 7. If these are at the level of the second groove 7, then, for example, plate 1 is moved parallel to the connecting joint until the starting position mentioned is reached. A further displacement parallel to the connecting joint has the result that the protruding locking elements 9 approach the points 15.
  • the locations 15 are the areas of the side wall 10 of the groove 7 that have maximally approached the connecting joint 4.
  • the spring 9 has a multiplicity of individual projecting locking elements. The width of the locking elements are then matched to the width of the feeding grooves.
  • the side wall 10 of the second groove 7, which is located further away from the connecting joint in comparison to the wall 11, is preferably at least partially curved, in the areas 15, as the lower right illustration in the figure shows.
  • the arch then runs in such a way that the "arch center” is not “enclosed” by the connecting joint 4 and the arch.
  • the projecting coupling element 9 is in the end position mentioned in a region of the second groove 7 which in region 15 approximates a parallel course of the wall 10 relative to the connecting joint 4. This counteracts an undesired slipping back in the direction of the starting position, since here the course in the direction of the starting position is less steep.
  • an adhesive is provided in the region of the end position, that is to say for example at points 15.
  • Adhesive prevents undesired slipping back from the end position in the direction of the starting position, that is, in the direction of the points 12.
  • the walls 21 and 22, which form the contact surface are undercut.
  • the contact surface then again has a slope relative to the surface.
  • this incline runs in reverse to the inclined contact surface that the subject matter of the patent EP 843 763 B1 encompasses.
  • this reverse bevel causes such a toothing that an adhesive-free connection according to the invention is provided in this way alone.
  • the laterally attached tongue 6 together with corresponding laterally attached groove 5 is therefore not absolutely necessary in order to effect the glueless connection.
  • Such an embodiment is to be preferred in particular if the spring 6 is shorter than the play which can occur at most between the walls 21 and 22 and thus at the connecting joint 4. If the spring 6 is only very short, it is very useful to create a reliable connection to provide a supporting lock perpendicular to the surface 3.
  • FIG. 3 is in addition to the connection according to FIGS. 1 or 2, in particular on the narrow sides of FIG elongated panels 1 and 2 is used.
  • This is the double tongue and groove connection already described.
  • the two lateral or laterally attached tongues taper towards the open end so that they can be easily pushed into the respective lateral groove.
  • the side grooves have a corresponding shape. This means that they also taper from the outside in.
  • the upper lateral spring 33 is shorter than the lower lateral spring 32.
  • the lower lateral spring 32 has a protruding locking element 35 on the underside, which engages in a groove 36 in the connected state of the panels.
  • the lower groove 36 runs perpendicularly downward relative to the surface 3 and this is made within the 31 on the lower flank.
  • the side walls of the groove 36 run obliquely, so that the groove tapers downwards.
  • the protruding locking element 35 tapers towards the open end.
  • the bevel which is located further out from the groove 31, enables connection without the need for play.
  • the connecting elements 31, 32, 33 and 34 are coordinated with one another in such a way that a cavity remains between the respective lateral spring 32 and 33 on the one hand and the associated lateral grooves 31 and 34.
  • the cavities are used to hold excess glue or sealant.
  • a cavity is provided above the spring 33 and a recess 38 is provided on the underside of the plates.
  • the surfaces 16 and 10 are corrugated in such a way that the end position is locked by positive locking or by a type of toothing.
EP01274314A 2001-06-17 2001-10-25 Jeu de pièces de plaques à profil enfichable et procédé de verrouillage des plaques Expired - Lifetime EP1397568B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20109840U DE20109840U1 (de) 2001-06-17 2001-06-17 Platten mit Einschiebe-Steckprofil
DE20109840U 2001-06-17
PCT/EP2001/012359 WO2002103135A1 (fr) 2001-06-17 2001-10-25 Plaques a profil enfichable

Publications (2)

Publication Number Publication Date
EP1397568A1 true EP1397568A1 (fr) 2004-03-17
EP1397568B1 EP1397568B1 (fr) 2007-08-22

Family

ID=7958058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01274314A Expired - Lifetime EP1397568B1 (fr) 2001-06-17 2001-10-25 Jeu de pièces de plaques à profil enfichable et procédé de verrouillage des plaques

Country Status (8)

Country Link
US (1) US7251916B2 (fr)
EP (1) EP1397568B1 (fr)
CN (1) CN1333143C (fr)
AT (1) ATE371071T1 (fr)
CA (1) CA2451687C (fr)
DE (2) DE20109840U1 (fr)
ES (1) ES2291276T3 (fr)
WO (1) WO2002103135A1 (fr)

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US20040168392A1 (en) 2004-09-02
CN1518629A (zh) 2004-08-04
CA2451687A1 (fr) 2002-12-27
CN1333143C (zh) 2007-08-22
WO2002103135A1 (fr) 2002-12-27
ES2291276T3 (es) 2008-03-01
US7251916B2 (en) 2007-08-07
DE50112920D1 (de) 2007-10-04
DE20109840U1 (de) 2001-09-06
CA2451687C (fr) 2009-12-15
ATE371071T1 (de) 2007-09-15
WO2002103135A9 (fr) 2004-03-04
EP1397568B1 (fr) 2007-08-22

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