EP1397568B1 - Set of panels comprising an interlocking snap-in profile and method of interlocking the panels - Google Patents

Set of panels comprising an interlocking snap-in profile and method of interlocking the panels Download PDF

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Publication number
EP1397568B1
EP1397568B1 EP01274314A EP01274314A EP1397568B1 EP 1397568 B1 EP1397568 B1 EP 1397568B1 EP 01274314 A EP01274314 A EP 01274314A EP 01274314 A EP01274314 A EP 01274314A EP 1397568 B1 EP1397568 B1 EP 1397568B1
Authority
EP
European Patent Office
Prior art keywords
boards
groove
panels
joint
construction kit
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.)
Expired - Fee Related
Application number
EP01274314A
Other languages
German (de)
French (fr)
Other versions
EP1397568A1 (en
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 Firma
KAINDL M FA
Kaindl M Firma
Original Assignee
M KAINDL Firma
KAINDL M FA
Kaindl M Firma
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 DE20109840U priority Critical patent/DE20109840U1/en
Priority to DE20109840U priority
Application filed by M KAINDL Firma, KAINDL M FA, Kaindl M Firma filed Critical M KAINDL Firma
Priority to PCT/EP2001/012359 priority patent/WO2002103135A1/en
Publication of EP1397568A1 publication Critical patent/EP1397568A1/en
Application granted granted Critical
Publication of EP1397568B1 publication Critical patent/EP1397568B1/en
Application status is Expired - Fee Related 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
    • E04F15/04Flooring 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
    • 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
    • E04F2201/0123Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels parallel to the abutting edges
    • 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
    • E04F2201/0153Joining 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/025Non-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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/07Joining sheets or plates or panels with connections using a special adhesive material

Abstract

The invention relates to panels (1, 2) comprising laterally mounted locking elements, by means of which two of the panels (1, 2) can be interconnected laterally in a positive fit, without the use of adhesive. The locking elements (5, 6, 7, 9) are designed in such a way that they can adopt an initial position, in which the panels are interlocked at least in one direction in a positive fit and a certain amount of play occurs in the common joint (4) of the two panels (1, 2) and a final position, in which there is no play in the common joint (4) and the panels are interconnected without the use of adhesive.

Description

  • The invention relates to a multi-plate kit according to the preamble of claim 1 and a method for laying these plates. A kit with the features of the preamble goes from the document DE 200 01 788 U out.
  • A plate of the type mentioned is from the document EP 090 6994 A1 known as the panel. A panel is a generally elongated, thin plate, which can be connected laterally, so on the longitudinal and transverse sides, for example via grooves and springs with other panels. So interconnected panels are used in particular as a floor covering or wall cladding.
  • For example, the bonded panels are assembled into a floor covering known as laminate flooring. The panels comprise a carrier plate made of a wood material and a decorative paper on the top, together with a protection against abrasion.
  • To avoid sticking, is from the document WO 96/27721 a plug-in profile for a panel known, which initially comprises groove and springs in a known manner. In addition, each spring has at least one continuous, protruding locking element on an upper and / or underside. Each groove is provided with grooves so that the protruding locking element passes after the mating of two panels in the corresponding groove. It creates a result of positive connection glueless connection between two panels. The use of glue is not required to assemble panels to a floor or wall covering. Of course, it is still possible and in some cases - as in the present invention - advantageous to glue in addition.
  • It is from the publication WO 96/27721 It is known to interconnect two panels by translating in a plane or by rotating about the gap between the panels.
  • There are also known glueless connections, for example, from the publication OS 25 02 992 between two plates, which are caused by a lowering. After lowering, the plates are positively connected with each other.
  • The idea of gluelessly connecting two plates by positive engagement has been known for several decades, such as the pamphlets GB 1 430 423 or US 5,295,341 can be seen. Especially in the floor area, the joints between two panels should have no play for visual and hygienic reasons, so that high demands are placed on the manufacturing tolerances. The manufacturing tolerances should currently not exceed 1/10 millimeter. Only in the recent past has it been possible to realize these manufacturing tolerances in practice. As a result, it has only been possible to successfully sell glued-together floor panels for about two years.
  • Since the panels are made of wood or wood-based material, the material also works after completion of the products. The panels can warp in such a way that laying is virtually impossible.
  • The invention has for its object to provide glueless interconnectable plates that have no play in the joint after completed installation and in which the demands on the manufacturing tolerances in comparison to the aforementioned prior art are low. In addition, the invention has for its object to provide a method for laying the plates.
  • The object is achieved by means of a kit with the features of the first claim. A method for laying the panels of this kit includes the features of the independent claim. Advantageous embodiments emerge from the subclaims.
  • A claimed plate comprises laterally mounted locking means, with which two plates can be laterally connected by a form-fitting without glue. A glueless connection between two plates is present, if this by positive locking
  1. 1. perpendicular to the plate surface and
  2. 2. parallel to the plate surface and at the same time perpendicular to the joint joint
connected to each other.
  • In contrast to the prior art, the locking elements are such that in an initial position, the plates or panels are indeed locked together in at least one direction by positive locking. In the common fugue, however, then there is a game. Due to the game, the plates can be pulled apart a little (according to the size of the game) perpendicular to the joint and then again - perpendicular to the joint - a little pushed towards each other. The locking elements are also such that an end position is reached only by subsequent displacement, in which no clearance between the plates or panels is present. In the end position, therefore, the aforementioned shifting due to a game perpendicular to the joint is no longer possible.
  • Since the connection between two panels in the initial position initially has a game, it is not necessary to comply with the aforementioned high manufacturing accuracies for the connection. The connection succeeds even if the plates should have warped a bit.
  • Subsequently, two plates or panels are moved and in particular substantially parallel to the common joint until the end position is reached. There is then no more play in the connecting joint. The locking elements are designed according to this purpose.
  • The invention does not require precise manufacture to provide a glueless connection between two panels, because initially at least in one direction there is a lock in which sufficient clearance is available. Preferably, there is a starting position in which the panels are locked in both directions by positive locking, so are already connected to each other without glue. In contrast to the prior art, the locking elements are also designed so that disappears by moving the game, which is still present in the starting position, between the joints.
  • It will thus realize the desired goals, namely the reliable glueless connection regardless of manufacturing inaccuracies on the one hand and the avoidance of play in the joint on the other.
  • Based on the embodiments described below will be explained in more detail, why the game can be avoided regardless of manufacturing inaccuracies.
  • In one embodiment of the invention, a plate laterally on a groove and / or a spring. The spring protrudes laterally parallel to the surface of the plate. The groove has been laterally milled in parallel with the surface of the plate, for example. By inserting a spring of a first plate in the aforementioned groove of a second plate, the two plates are connected in a known manner so that they are locked to each other perpendicular to the surface due to positive engagement.
  • The plates have further locking elements, which allow the positive connection parallel to the surface and perpendicular to the connecting joint. In general, this is a second groove which has been milled in perpendicular to the surface, for example. The second groove may be provided on the underside of a plate or in the former groove. To provide such a groove on the underside of the plate, is from the figures 1 of the document WO 94/26999 known.
  • There is at least one corresponding projecting locking element in the other plate, which enters the second groove when the plates are locked together. According to the figures 1 of the document WO 94/26999 For this purpose, a protruding over the connecting edge of the associated plate locking strip is provided at the end of the protruding locking element is mounted. If the corresponding projecting locking element arrives in the second groove, then the two plates are then connected to one another by positive locking so that the plates can not be detached from one another by displacement in a plane perpendicular to the common joint. In this starting position, there is the aforementioned game. Such a game is for example in the document WO 94/26999 described and designated in the figure 1a with "Δ". Furthermore, such a game from the figure 4 of the document GB 2 256 023 A known.
  • According to the invention, 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 consequence that one plate is simultaneously moved to the other plate. This movement takes place until the game is no longer available.
  • The said course is preferably realized in that the lateral walls of the second groove are wave-like, serpentine or sawtooth-like. In this case, the width of the groove can taper. Essential in this embodiment is that the distance between the second groove and the adjacent joint varies. It comes in an embodiment that the figures 1 of the document WO 94/26999 is similar to the distance between the joint and the wall of the groove, which is closer than the other wall of the groove at the joint.
  • In this embodiment, the panels are first connected so that the protruding locking element (s) enters the second groove at a location close to the joint. If one of the two plates is now parallel to the common joint, which is called joint, moved, the protruding locking element finally reaches into regions of the second groove, which have a greater distance from the connecting joint. The, plates move so almost automatically at the same time to each other until finally the game is eliminated. The final position has been reached.
  • In a further embodiment of the invention, the first-mentioned groove comprises a protruding flank or lip. Located at the end of the protruding flank or lip at least one protruding locking element, which passes into the second groove when connecting two plates. By a rotational movement about the joint around the aforementioned starting position can be provided. If the protruding lip is elastic, the plates can also be connected by shifting in one plane. Panels that are joined together by sliding in a plane are the subject of the patents EP 843 763 B1 and GB 1 430 423 ,
  • To prefer is usually a substantially rigid protruding lip, since then the lock is particularly stable. This case is shown for example in Figure 18 of the document US 4,426,820 shown. In particular, in this case, the above locking element of a plate is outside the first-mentioned groove. The lower lip protrudes correspondingly far in comparison to the overlying. The second groove in the other plate then approaches in places as far as the joint, that the one or more protruding locking elements in the second groove by lowering the second groove of a plate in the direction of or the protruding locking elements of the other plate. A locking by positive locking parallel to the surface and perpendicular to the joint is present. Such a lock is not yet available in the vertical direction.
  • If the sliding movement is then carried out parallel to the connecting joint, the plates approach each other. The former laterally projecting Spring then passes into the first-mentioned laterally milled groove. Only now is also locked vertically. The continuation of the sliding movement finally leads to the fact that no more play in the connection joint exists.
  • This embodiment is particularly easy to handle. Laying is still easily possible even if several elongated panels are already connected to the narrow sides and they are to be connected together with an already laid row of panels. Here, the invention has significant handling advantages over glueless connectable panels that need to be connected only at the narrow sides, for example, due to rigid protruding lip by a rotary motion before the long sides are connected in the same way by a rotary motion. Such a prior art with these disadvantages is the document US 4,426,820 refer to.
  • In a further embodiment of the invention, further grooves can branch off from the second groove in the direction of the connecting joint and terminate here. Projecting 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 displaced parallel to one another until the said starting position is reached. Another shift parallel to the joint has the consequence that the end position is reached.
  • This embodiment of the invention is again advantageous if several panels are initially connected in this way be that they form a series. For elongated panels, this is the case when first the narrow sides are joined together. The connection on the narrow sides may be a glueless connection according to the prior art. These are preferably those with a protruding lower rigid lip or flank, since such compounds are particularly strong. Also here is the connecting joint relatively short, so that manufacturing inaccuracies are less problematic. The long sides are then connected by moving in a plane. After all, there is a particularly strong, glueless connection. The handling is very simple.
  • If panels are first connected to one another on the longitudinal sides, then the connections on the narrow sides are configured in particular in such a way that glueless connection is possible by displacement in one plane. Such a prior art is for example the patent AT 405 560 B refer to. This prior art discloses a laterally milled groove with two equal length, elastic flanks. The flanks form lateral walls of the groove. On another panel there is a spring on the side. The spring has in particular on the underside a protruding locking element. However, the above locking element may also be present alternatively or additionally at the top of the spring. Corresponding to this protruding locking element there is in the said lateral groove another, second groove which is present in one of the two flanks of the groove. The above locking element engages in the second-mentioned groove when the panels together be connected by moving in a plane. Are there two in the spring depending on a protruding locking element on the top and bottom, so there is this corresponding in the lateral groove ever another groove in the upper and in the lower edge.
  • The further groove, which is located in the flank of the former groove, causes together with the protruding locking element on the top or bottom of the spring, the positive connection parallel to the surface of the panels and perpendicular to the connecting joint. Preferably, such a further or second groove is mounted only in the lower edge. Accordingly, then the above corresponding locking element is provided on the underside of the spring. It has been found that a protruding locking element at the top of the spring and corresponding groove in thin panels affects the appearance of the panel surface. In fact, it can very easily happen that the protruding locking element causes, for example, due to manufacturing inaccuracies a pressure that 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.
  • The aforementioned connection, which is provided in particular for the narrow sides in an elongate panel, has in another embodiment, a further laterally mounted upper groove on a panel together with a laterally mounted corresponding upper spring on another panel. The upper groove is located above the spring with the protruding locking element. Corresponding to this is the upper spring above the first-mentioned groove. It is therefore a "double tongue and groove" - compound, the two panels perpendicular to the surface by positive locking together. The upper groove or is less deep than the first-mentioned groove, which lies below the upper spring. Correspondingly shorter is the upper spring compared to the spring which lies below the upper groove. This compound has proven to be particularly stable for narrow sides. If the lateral connection additionally glued or factory provided with an adhesive that is activated only during installation or thereafter, for example, by pressure or heat, so is a particularly large contact area available.
  • If a gluing is provided in the double tongue and groove connection, it is preferable to provide one or more recesses for receiving excess adhesive. The recesses provide cavities within the joint. In particular, such a cavity between the upper tongue and groove connection and the underlying is provided. Moreover, one or each groove is preferably deeper than the corresponding spring so that a cavity remains between the end of the spring and the bottom of the groove. A recess may also have a joint on the underside of the panels below the first groove and the first spring.
  • In the following, an embodiment of the connection is again referred to, to which the main claim refers. The second groove is milled from below into a plate. The lateral wall of the second groove, which is located closest to the connecting joint, is preferably at least partially arcuate. The bow then runs so that the "center of the arc" is "enclosed" by the joint and the bow. This means that the projecting coupling element is located in said end position in a region of the second groove, which at least approximates a parallel course of the groove relative to the connecting joint. As a result, an undesired slipping back in the direction of the starting position is counteracted.
  • In a further advantageous embodiment of the invention, an adhesive is provided in the region of the end position, which connects at least the second groove with the protruding locking element. By the adhesive, the aforementioned unwanted slipping back from the end position in the direction of the starting position is also avoided.
  • The adhesive is preferably factory-mounted and is activated only by pressure or heat. The adhesive may be encapsulated in the second groove, for example, where the protruding locking element is expected to reach in the end position. As soon as this happens, the capsule is destroyed by the pressure and the elements are glued together. Alternatively, the components of a two-component adhesive may be on be distributed above the locking elements and second grooves. In the final position, the various components mix.
  • On the one hand the cohesion is improved by the adhesive and on the other hand the connecting joints are protected against penetrating moisture. If the protection against moisture is in the foreground, a water-repellent paste or sticky mass may be provided instead of the adhesive. Such a water-repellent paste or sticky mass is in principle suitable for any glue-free connection in order to prevent the penetration of moisture into the connecting 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 extend perpendicular to the surface of the plates. For clarification, the subject of the patent EP 843 763 B1 directed. Here, the contact surface runs obliquely. 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 under load. This disadvantage is avoided by the vertical contact surface. The subject of the patent, a sloping contact surface is required to connect two panels without an existing game in the connection joint can. From the publication WO 94/26999 Although a vertical contact surface is known, as can be seen inter alia from FIG. 1a. This prior art discloses the vertical Contact surface always in combination with a game. Without such a game, it would not have been possible to connect two panels to the said vertical contact surfaces. Since, according to the invention, a clearance is initially present at the starting position, two plates or panels can be connected to one another despite a vertical contact surface. An oblique contact surface with the disadvantages mentioned can thus be avoided without having to accept a game in the joint connection for this purpose.
  • In a further embodiment of the invention, the walls which form the contact surface are even undercut. The contact surface then again has a slope relative to the surface. However, this slope runs inversely compared to the inclined contact surface, which is the subject of the patent EP 843 763 B1 having. By means of this reverse bevel, such toothing is effected in the end position, so that solely as a result a glueless connection according to the invention is provided.
  • If a paste, a pressure-sensitive adhesive or a sticky mass is used as the sealant, two interconnected panels are not glued together firmly, but these can then be easily solved again from each other. Also, the paste or sticky mass may be applied to the locking elements and / or side edges of a panel immediately prior to installation. If the paste or sticky mass swells out of the joints or connecting edges during laying, this excess may accumulate Paste or mass can be easily removed without residue from the surface. At the same time, the joint is reliably sealed in such a way that no moisture can penetrate into the joint from the (floor) surface. So it succeeds so inexpensive sealing reliably up to the top, without affecting the appearance of the surface due to sealant residues. It is even advantageous to apply an excess of paste or mass to the locking elements and / or lateral edges, since then excess paste or mass escapes from the surface when the panels are laid. This ensures at the same time that the joints between the panels are sealed exactly to the surface.
  • Moisture problems can thus be avoided particularly cost-effective with panels that can be connected to each other without glue. Such by form fit and thus glueless connectable panels are available in various embodiments on the market. When connectable by positive engagement panels (such as those having locking elements according to the first claim), it was always necessary in the prior art to produce them so that the swelling was low, so as to counteract moisture problems. In connectable by positive locking panels, the moisture problem is particularly great, because in the joints due to the lack of glue moisture is able to penetrate. In order to reduce the swelling properties, it has therefore been necessary in the past to use a high proportion of panels which can be connected to one another by positive locking To provide melamine resin. Melamine resin is a high cost factor in panel production. If a paste, sticky mass or pressure-sensitive adhesive is used, the melamine resin content in panel production can be significantly reduced. In this way it is even possible to use cheaper panels.
  • With reference to the following figures, an embodiment of the invention is illustrated in more detail.
  • In the figure 1, two plates 1 and 2 are shown in the upper figure, having laterally mounted locking means. The locking means connect the plates 1 and 2 without glue. By positive engagement, the plates 1 and 2 are connected according to Figure 1 perpendicular to the surface 3 of the plates 1 and 2 and parallel to the plate surface 3 and locked. In addition, the two plates 1 and 2 are perpendicular to the common joint 4 locked together. A displacement of the plate 1 relative to the plate 2 parallel to the connecting joint 4 is limited possible.
  • In the common joint 4, a game may be present. Due to the play, the plates may be pulled apart a little (corresponding to the size of the game) perpendicular to the joint 4 and parallel to the surface 3. The locking elements of Figure 1 are such that starting from a home position by shifting in a plane parallel to the joint an end position is reached at the no play between the plates 1 and 2 or panels is present.
  • The plate 1 has a groove 5 as the first locking element laterally. The groove 5 has been laterally milled parallel to the surface of the plate 1, for example. The plate 2 has as the first locking element laterally spring 6. The spring 6 protrudes laterally parallel to the surface 3 of the plate 2. By inserting the spring 6 of the plate 2 in the aforementioned groove 5 of the plate 1, the two plates 1 and 2 are connected in a known manner so that they are locked to each other perpendicular to the surface 3 due to positive locking.
  • The plates 1 and 2 have further locking elements, which allow the positive connection parallel to the surface 3 and perpendicular to the joint 4. This is a second groove 7 which has been milled perpendicularly 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.
  • In the other plate 2 there is a groove 7 corresponding to the protruding locking element 9, which - as shown in the upper figure of Figure 1 - in the second groove 7 enters when the plates 1 and 2 are locked together. The two plates 1 and 2 then connected by positive engagement with each other so that the plates can not be solved by moving in a plane perpendicular to the common joint from each other.
  • The second groove 7 and 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 consequence that the one plate 1 at the same time on the other plate 2 moves becomes. This movement takes place until the game is no longer available.
  • The mentioned course is realized in that a lateral wall 10 of the second groove 7 runs in a zigzag shape. The lower figure shows the plate 1 in a plan view. 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. It comes in this embodiment, the distance between the joint 4 and the wall 10 of the groove 7, which is located farther away than the other lateral, sloping wall 11 of the groove 7 at the joint 4.
  • In this embodiment, the panels are first connected so that the protruding locking elements 9 enter the second groove 7 at a location where there is a large gap between the wall 11 and the joint 4. The distance is at the points 12 maximum. If one of the two plates 1 and 2 is now displaced parallel to the common joint 4, the protruding locking element 9 finally reaches areas of the second groove 7 in which the lateral wall 10 has a smaller distance from the connecting joint 4. The plates 1 and 2 move during the shift mandatory at the same time until the game is finally eliminated. The final position has been reached.
  • By a rotational movement about the connecting joint 4 around the said starting position can be provided. If the protruding lip 8 is elastic, the plates 1 and 2 can also be connected by sliding in a plane. Then, the protruding elastic lip 8 has a bevel 13 at its upper end. Correspondingly, the lower end of the spring 6 has a bevel 14. The slopes simplify the connection, when the not yet interconnected plates 1 and 2 are to be brought by moving in a plane in the starting position.
  • If the spring 6 protrudes shorter over the connecting joint 4 in comparison to the game, which is maximally possible, then panel 2 can be completely released from the panel 1 in the starting position with maximum play by vertical lifting. Correspondingly reversed and thus very easy manages the provision of the starting position (starting from two non-interconnected plates 1 and 2).
  • This embodiment is particularly easy to handle. Laying is still easily possible even if several elongated panels are already connected to the narrow sides and they are to be connected together with an already laid row of panels.
  • There may be provided a plurality of individual locking elements on the underside of the spring. The distances between the individual locking elements are then matched to the distances between two locations 12. Alternatively, a single elongate locking element may be provided which extends over the entire spring. In this case, the wall 16 of the protruding locking element is also formed 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 said initial position and the end position can be assumed. The wall 10 forms with the wall 16 a contact surface. Between the wall 10 and the wall 16 there is a game when the starting position is taken. The game is no longer available when the end position is taken.
  • In an embodiment, not shown, of the second groove 7 can branch off further grooves in the direction of the plate 2 and be openly accessible at the end of the projecting edge 8. The branching grooves open at the locations 12 or adjacent. Projecting locking elements 9 can then be pushed from the outside through these branches in the direction of the second groove 7. If these are in the amount of the second groove 7, then, for example, plate 1 is displaced parallel to the connecting joint until the said starting position is reached. Another displacement parallel'zur connecting joint with the result that the protruding locking elements 9 approach the points 15. The points 15 are the areas of the lateral wall 10 of the groove 7, which have approached the joint 4 maximum. In this embodiment of the invention the spring 9 has a plurality of individual protruding locking elements. The width of the locking elements are then matched to the width of the feeding grooves.
  • The lateral wall 10 of the second groove 7, which is located farther away from the connecting joint in comparison to the wall 11, is preferably designed to be at least partially arcuate, namely at the regions 15, as illustrated by the lower right-hand illustration in the figure. The arc then runs so that the "arc center" of the joint 4 and the bow is not "included". This means that the projecting coupling element 9 is located in said end position in a region of the second groove 7, which approaches in the region 15 a parallel course of the wall 10 relative to the connecting joint 4. As a result, an undesired slipping back in the direction of the starting position is counteracted, since the course in the direction of the starting position is less steep.
  • In an advantageous embodiment of the invention, an adhesive in the region of the end position, so for example at the points 15 is provided. By the adhesive unwanted slipping back from the end position in the direction of the starting position, ie in the direction of the points 12 is avoided.
  • The contact surface or the walls 10 and 16, which form the contact surface between the above locking element 9 and the corresponding groove 7, extend perpendicular to the surface of the plates 1 and 2. Even with elastic lip 8, the connection is therefore very strong compared to the subject of the patent EP 843 763 B1 in which an elastic lip is provided with such an oblique contact surface, which promotes slipping out.
  • In a further embodiment shown in FIG. 2, the walls 21 and 22 which form the contact surface are formed undercut. The contact surface then again has a slope relative to the surface. However, this slope runs inversely compared to the inclined contact surface, which is the subject of the patent EP 843 763 B1 includes. By means of this reverse bevel, such toothing is effected in the end position, so that solely as a result a glueless connection according to the invention is provided. The side-mounted spring 6 together with corresponding side-mounted groove 5 is therefore not absolutely necessary to effect the glueless connection. Such an embodiment is particularly preferred when the spring 6 is shorter than the game, which can occur between the walls 21 and 22 and thus at the joint 4 maximum. If the spring 6 is only very short, it is very useful to provide a reliable connection still provide a supportive locking perpendicular to the surface 3.
  • Both in the figure 1 and in Figure 2 are located between the two panels 1 and 2 various cavities or recesses, in particular for receiving excess adhesive or a Mass, which is used as moisture protection serve.
  • If a plurality of mutually separate locking elements 9 are provided, then a plurality of mutually separated second grooves 7 may be provided. These must then not run serpentine or zigzag. It is sufficient if they are so arcuate or oblique in relation to the joint 4, that said starting and ending position can be taken.
  • Another embodiment is possible in which the game thereby occurs, the plate 2 can be raised relative to the plate 1. Within the groove 5, there is then, for example, a wave-shaped course of a lateral flank and in another embodiment, an undercut analogous to Figure 2. In Figure 3, a compound is shown, in addition to the compound according to figures 1 or 2, in particular on the narrow sides of elongated panels 1 and 2 is used. This is the double tongue and groove connection already described. There is a first lower side-mounted groove 31 of the plate 1 and a first lower side-mounted spring 32 of the plate 2. Above the first lateral groove 31, an upper lateral spring 33 is provided. Correspondingly, there is a laterally mounted, upper groove 34 in the plate 2. The two side or side mounted springs taper towards the open end to be easily pushed into the respective lateral groove can. The lateral grooves have a corresponding shape. This means that they also rejuvenate from outside to inside. The upper lateral spring 33 is shorter than the lower lateral spring 32. The lower lateral spring 32 has on the underside a protruding locking element 35, which engages in a groove 36 in the connected state of the panels. The lower groove 36 is perpendicular to the surface 3 downwards and this is incorporated within the 31 on the lower edge. The lateral walls of the groove 36 extend obliquely, so that the groove tapers downwards. Corresponding thereto, the protruding locking element 35 tapers towards the open end. In particular, the slope which is located further outward from the groove 31 allows the connection, without a game must be present. The connecting elements 31, 32, 33 and 34 are coordinated so that between the respective lateral spring 32 and 33 on the one hand and the associated lateral grooves 31 and 34, a cavity remains. The cavities are used to absorb excess adhesive or excess sealant. For the same reasons, a cavity is provided above the spring 33 and a recess 38 is provided on the underside of the plates.
  • In one embodiment, the surfaces 16 and 10 have a corrugation such that the end position is locked by positive engagement or by a kind of toothing.
  • Claims (12)

    1. Construction kit consisting of several boards (1,2) with laterally mounted locking elements by means of which two of the boards (1,2) may be laterally interconnected by positive fit without the use of adhesives, wherein the locking elements (5, 6, 7, 9) are designed so that there is an initial position of the boards (1,2) in which the boards (1,2) are interlocked by positive fit in at least one direction and in which a play occurs in the common joint (4) of the two boards (1,2), and there is a final position of the boards (1,2) which is reached, starting from the initial position, by subsequently shifting the boards (1, 2) relative to one another, in which position there is no play in the common joint (4) and the panels are interlocked without the use of adhesives.
      characterized in that
      in the initial position, the boards (1, 2) can be pulled apart perpendicularly to the joint to an extent corresponding to the size of the play and can then be shifted towards each other again perpendiularly to the joint.
    2. Construction kit consisting of several boards, according to claim 1, wherein
      - one board (1) has, as a locking element, a groove (7) inserted in a vertical direction relative to the surface (3) of the board (1),
      - the other board (2) has at least one corresponding protruding locking element (9) which, when the boards are interlocked in an initial position, arrives in the groove (7) which is vertical relative to the surface (3) of the one board (1),
      wherein the second groove (7) and/or a lateral border of the second groove (7) runs, at least in some places, in a non-parallel direction relative to the common joint (4).
    3. Construction kit consisting of several boards, according to claims 1 or 2, where at least one lateral wall (10) of a groove (7) which is provided as a locking element, runs in an arch, wave-like, serpentine or sawtooth-like.
    4. Construction kit consisting of several boards, according to one of the preceding claims, where there is a contact area (10-16) between two locking elements (7,9) running in a vertical direction relative to the surface (3).
    5. Construction kit consisting of several boards, according to one of the preceding claims, where there is a contact area (21-2) between two locking elements (7,9) which has been formed by undercuts.
    6. Construction kit consisting of several boards, according to one of the preceding claims, in which one board (1) laterally has at least one groove (5, 31, 34) as a locking element and another board (2) laterally has at least one tongue (6, 32, 33).
    7. Construction kit consisting of several boards, according to one of the preceding claims, where one laterally mounted tongue (6) is shorter than the play which can maximally occur at the common joint (4).
    8. Construction kit consisting of several boards, according to one of the preceding claims, wherein the boards can be interconnected without the use of adhesives with a paste or, in particular, a tacky sealant and/or a pressure-sensitive adhesive between two boards that are to be interconnected.
    9. Construction kit consisting of several boards, according to one of the preceding claims, with a moisture repellent paste or tacky mass between two boards (1,2), which borders on the surface (3) of the boards.
    10. Construction kit consisting of several boards, according to one of the preceding claims, wherein the boards are panels consisting of laminate.
    11. Construction kit consisting of several boards, according to one of the preceding claims, in which the locking elements are provided with a corrugation which causes the panels to be held in the final position by positive fit.
    12. Method for interlocking two boards of a construction kit according to one of the preceding claims, wherein two boards (1,2) are brought into an initial position in which the boards are interlocked in a positive fit in at least one direction vertical relative to the connecting joint,
      characterized in that
      in the initial position, there is a play present in the connecting joint in a direction vertical to the connecting joint, and that the boards are then shifted in a direction parallel to the connecting joint until a final position is reached in which there is no more play in a direction vertical to the connecting joint.
    EP01274314A 2001-06-17 2001-10-25 Set of panels comprising an interlocking snap-in profile and method of interlocking the panels Expired - Fee Related EP1397568B1 (en)

    Priority Applications (3)

    Application Number Priority Date Filing Date Title
    DE20109840U DE20109840U1 (en) 2001-06-17 2001-06-17 Plates with push-in plug-in profile
    DE20109840U 2001-06-17
    PCT/EP2001/012359 WO2002103135A1 (en) 2001-06-17 2001-10-25 Panels comprising an interlocking snap-in profile

    Publications (2)

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

    Family

    ID=7958058

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP01274314A Expired - Fee Related EP1397568B1 (en) 2001-06-17 2001-10-25 Set of panels comprising an interlocking snap-in profile and method of interlocking the panels

    Country Status (8)

    Country Link
    US (1) US7251916B2 (en)
    EP (1) EP1397568B1 (en)
    CN (1) CN1333143C (en)
    AT (1) AT371071T (en)
    CA (1) CA2451687C (en)
    DE (2) DE20109840U1 (en)
    ES (1) ES2291276T3 (en)
    WO (1) WO2002103135A1 (en)

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    Also Published As

    Publication number Publication date
    DE20109840U1 (en) 2001-09-06
    AT371071T (en) 2007-09-15
    US20040168392A1 (en) 2004-09-02
    WO2002103135A1 (en) 2002-12-27
    ES2291276T3 (en) 2008-03-01
    WO2002103135A9 (en) 2004-03-04
    CA2451687C (en) 2009-12-15
    US7251916B2 (en) 2007-08-07
    EP1397568A1 (en) 2004-03-17
    DE50112920D1 (en) 2007-10-04
    CN1333143C (en) 2007-08-22
    CA2451687A1 (en) 2002-12-27
    CN1518629A (en) 2004-08-04

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