EP1350904B1 - Floor planks - Google Patents

Floor planks Download PDF

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Publication number
EP1350904B1
EP1350904B1 EP03008103A EP03008103A EP1350904B1 EP 1350904 B1 EP1350904 B1 EP 1350904B1 EP 03008103 A EP03008103 A EP 03008103A EP 03008103 A EP03008103 A EP 03008103A EP 1350904 B1 EP1350904 B1 EP 1350904B1
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EP
European Patent Office
Prior art keywords
groove
tongue
profile
spring
floorboards
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 - Lifetime
Application number
EP03008103A
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German (de)
French (fr)
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EP1350904B2 (en
EP1350904A2 (en
EP1350904A3 (en
Inventor
Heinz Kiefel
Franz Schrattenecker
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TILO GmbH
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TILO GmbH
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Application filed by TILO GmbH filed Critical TILO GmbH
Publication of EP1350904A2 publication Critical patent/EP1350904A2/en
Publication of EP1350904A3 publication Critical patent/EP1350904A3/en
Publication of EP1350904B1 publication Critical patent/EP1350904B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility

Definitions

  • the invention relates to floorboards. As floorboards below any floor covering is considered, in which at least two identically constructed elements are engaged with each other.
  • floorboards examples include prefinished parquet with a wear layer that is designed in the manner of a ship's bed parquet or like a plank.
  • the floorboards also include three-layer planks, which are made up of three approximately equally strong layers, preferably of solid wood or veneer.
  • Floorboards that are claimed in the invention are often constructed of three layers. Examples include prefinished parquet with a thin wear layer of veneer or solid wood, a central layer of glued or glued bars and a Gegenzuglage of inferior veneer or solid wood.
  • the layers are offset with the main fiber direction approximately 90 ° to each other in order to achieve maximum dimensional stability.
  • Layered boards are usually constructed of three approximately equally strong and qualitatively approximately equivalent layers of solid wood or veneer. For individual products veneers or floor racks can also be replaced by wood-based material layers or boards.
  • WO 00/47841 proposed to provide floor panels on all sides with a profile in which a perpendicular to the plate plane to be closed connection is proposed, which provides groove, spring and locking elements.
  • the locking elements should have a horizontal contact surface and prevent displacement of the floor panels perpendicular to the plane of the plate.
  • the locking elements should be elastic.
  • a disadvantage of this solution is that either separate components must be inserted or glued, which represent parts of the locking elements and must be positioned very precisely for exact locking. This is laborious.
  • Another disadvantage is that the locking elements can be easily damaged when joining, if they are based on the in the WO 00/47841 proposed manner have horizontal contact surfaces.
  • These elements which are usually designed as latching lugs and corresponding recesses, act together in each case and fix the floor elements to be connected against each other in a predetermined position. In general, they prevent perpendicular to be closed profiles shifting vertically to the floor of the floor element or, the surface of the floor element.
  • the corresponding locking elements therefore have a common investment line or surface. Unlike in horizontal, so parallel to the top of the floor element extending contact surfaces even a simply inclined contact surfaces enough to ensure a secure locking. At the same time an inclined contact surface allows a simpler and gentler for the locking elements joining the profile and thus the floor elements.
  • the elastic deformability of spring or tongue and groove, so the deflection of spring or tongue and groove when joining the profile or second floor elements also contribute to the protection of the locking elements and of tongue and groove.
  • the deflection of the spring or tongue and groove protects the corresponding locking elements when they are engaged in the assembly of the floorboards with each other.
  • the floor elements or planks to be joined are set particularly effective in their horizontal position to each other when groove and tongue are formed as a cone. This positive connection of the profile fixes the two floorboards in a simple and safe way.
  • the taper of tongue and groove can be maintained, even if corresponding locking elements or special embodiments of tongue and groove are provided. It is sufficient if tongue and groove are at least partially designed for conical engagement.
  • the spring of the profile is designed so that it is deflected during assembly of the profile, and then return to the starting position after the successful engagement of tongue and groove.
  • This elasticity can be produced by the required clearance, which is necessary for the engagement of a lip the groove is required, is worked so deep that the remaining connecting web to the profile or, to the floor element allows a deflection of the spring.
  • This embodiment proves to be advantageous because on the one hand there is no deflection on the underside of the profile, so that it is unnecessary to take measures that allow such a deflection in the direction of the base of the floorboards. On the other hand, this embodiment causes the formation of undesirable joints between the end faces of second floor elements is avoided.
  • the spring of the profile is formed in two parts.
  • a first spring part is elastic, a second spring part is rigid.
  • a first part of a corresponding locking means is arranged.
  • the elastic first spring part can be designed so that a deformation and deflection during assembly of the profile is made possible.
  • a free space is created between the first and second spring parts, which allows a deflection of the first spring part onto the second spring part.
  • This embodiment is to be produced by means of conventional tools and methods, for. B. to milling.
  • the space runs obliquely according to the invention-based on the top of a floor element.
  • the exact design of the free space can be chosen in coordination with the material used for the profile and the profile itself.
  • An embodiment of the inventive profile with which a joint-free joining of the end faces of floor elements can be ensured in a simple manner, is designed so that the spring has a first part of a corresponding locking element that can be engaged with a second part of the corresponding locking element. This second part of the corresponding locking element is attached to a short, free lip of the groove and faces the spring.
  • the profile according to the invention requires a certain elasticity of the material. Brittle material such. As high density fiberboard or materials with low bending strength such. As chipboard, are not well suited for the production of the above-described profile. It is therefore preferred if plastic, solid wood or plywood are used for the production of the profile. These materials, with good machinability with known tools on a sufficient elasticity to ensure the reliable functioning of the profile.
  • the profile according to the invention can, depending on requirements, either be prefabricated as a separate component, in order then to be attached to end faces of floor elements, for example by gluing in a groove in the front page. Is the material of the floor element, z. B. in the case of a solid wood floorboard, then the profile according to the invention can be machined out of the material of the floor element integrally.
  • FIGS. 1 . 2 . 3 . 5 and 6 illustrate exemplary, facilitating the understanding of the invention embodiments, which are not covered by the invention.
  • Fig. 1a shows a groove-shaped end face 2 of a floorboard 1 and a spring-shaped end face 4 of a floorboard.
  • a floorboard 1 each have a first groove-shaped end face 2 and a second spring-shaped end face 4.
  • the floorboard is constructed in three layers.
  • the dashed lines in the figures indicate the three layers of the floorboard. It has a wear layer on the upper side 6.
  • the underside 8 of the floorboard can be made of any material.
  • the groove-shaped end face 2 has a groove 10 with a long lip 12 and a short lip 14.
  • the lips 12, 14 of the groove 10 are interconnected by the base 16.
  • the groove 10 is worked out from the top 6 of the floorboard 1 forth, usually milled.
  • the federformige end face has a spring 18 which is delimited by a free space 20 of the end face 22 of the floorboard 1.
  • the spring 18 is worked out from the bottom 8 of the floorboard 1 forth, usually milled.
  • Fig. 1c shows the groove-shaped end face 2 and the spring-shaped end face 4 of the floorboards 1 with each other in engagement.
  • the free space 20 facing surface 28 of the spring 18 abuts against the long lip 12 facing surface 30 of the short lip 14.
  • the free end 26 of the spring 18 is the base 16 of the groove 10 facing, but is not necessarily on the base 16 at.
  • the free end 32 of the short lip 14 faces the base surface 34 of the free space 20, but is not necessarily adjacent to the base surface 34.
  • a pressure surface 36 is formed.
  • a pressure force is exerted on the contact surface 38, which is formed by the fact that the groove-shaped and the spring-shaped end face 2, 4 of the floorboard 1 abut against each other at the top 6.
  • Both the pressure surface 36 and the contact surface 38 may be formed point or line.
  • the surfaces 36, 38 but also actually formed flat.
  • the free end 26 of the spring 18 is narrower than the base 16 of the groove 10. Further, for easier assembly of the end faces 2, 4, the free end 26 of the spring 18, the free end 32 of the short lip 14 of the groove 10 and the base 34 of the free space 20 at the transition to adjacent surfaces each formed with rounded or chipped or bevelled edges. Correspondingly, the end face 22 of the free space 20 and the end face 40 of the short lip 14 of the groove 10 are spaced apart from each other after assembly.
  • the free surface 24 of the spring 18 is designed in such a way that it protrudes further in a first section 42 in the region of the top 6 of the floorboard 1 as in a second section 44 in the region of the central layer 46th Accordingly, the outer surface of the long lip 12 of the groove-shaped end face 4 in the region of the top 6 of the floorboard.
  • a first portion 48 which is further excluded than the base 16 of the groove 10. At this first portion 48 connects to the base 16 of the groove 10, a second portion 50 which extends approximately at right angles to the base 16 of the groove 10.
  • Fig. 1c shows that the sections 42, 44 and 48, 50 are worked out corresponding to each other. The joining of the two end faces 2, 4 is thereby greatly facilitated.
  • Fig. 1c further clarifies that the contact surface 38 is well defined better. Since the contact surface 38 substantially determines the visual appearance and the qualitative impression of the laid floorboards, the profiles, which are extraordinarily easy to produce, provide the desired high-quality, low-joint impression associated with wooden floors.
  • Fig. 1a shows an embodiment of the profiled floorboards, in which by the design of the spring 18, the application of the compressive force on the abutment surface 38 and preventing the displacement of the end faces 2, 4 in the vertical direction by a two-part spring 18a, 18b is effected.
  • a first free space 20a is worked out, to which a first spring 18a adjoins.
  • the spring 18a has a surface 28 directed towards the free space 20, which, after joining the floorboards 1, engages with the surface 30 of the short lip 14 directed towards the long lip 12.
  • the first spring 18a is formed so that it is hardly deflected when joining the groove-shaped end face 2 and the spring-shaped end face 4.
  • a free space adjoins the spring 18a 20 b, which is bounded towards the free end 52 by a second spring 18b.
  • the free space 20b projects closer to the upper side 6 of the floorboard 1 than the free space 20a.
  • the spring 18b is deflectable relative to the spring 18a when joining the end faces 2, 4 (see Fig. 1b ).
  • the spring 18b is designed with a straight surface 54.
  • the spring 18b is provided with a latching nose 56 at its free end 26b.
  • the groove 10 is provided in the region of the long lip 12 with a latch 58, under which the detent 56 of the spring 18b engages after assembly of the floorboards 1.
  • a latch 58 under which the detent 56 of the spring 18b engages after assembly of the floorboards 1.
  • the free space 20 b is dimensioned so that the spring 18 b can be deflected during assembly by the latch 58.
  • the joint-tight assembly of the groove-shaped 2 and spring-shaped 4 end faces is -as in the previously described embodiments of Fig. 1-3 - By the spring 18 a and the short lip 14 through which the pressure surface 36 is formed, guaranteed.
  • the in the Fig. 2a to 2c illustrated embodiment is particularly advantageous for floorboards that are to be repeatedly assembled and disassembled, for example, temporarily installed floors in exhibition or exhibition halls. It is an embodiment based on the in Fig. 1a to 1c variant has been developed.
  • the groove-shaped end face 2 has a groove 10, the groove base 16 is relatively flat, so that a stronger layer of material on the bottom 8 of the floorboard 1 remains. Accordingly, the short lip 14 of the groove 10 with respect to the groove bottom 16 is less high than in the Fig. 1a to 1c shown embodiment.
  • the short lip 14 of the groove 10 protrudes, based on the thickness of the floorboard 1, preferably not into the upper half of the floorboard 1 into it.
  • the long lip 12 is provided with a latch 58 which, after the joining of the corresponding ends of the floorboards, is engaged by a latching lug 56 of the spring 18b.
  • the springs 18 a and 18 b are formed corresponding to the dimensions of the groove 10.
  • the clearance 20a is made less deep with respect to the reduced in height short lip 14. This benefits the stability of the floorboard.
  • the space 20 b is still deeply cut to allow a deflection of the spring 18 b when assembling the floorboards (see FIG. Fig. 5b ).
  • Fig. 2c shows the floorboards after assembly.
  • Pressure surface 36 and contact surface 38 are joined together in the manner of a cone.
  • Latch 56 and latch 58 are located on the second bearing surface 60 to each other.
  • a free space 62 is provided below the second bearing surface 60.
  • the spring 18b is dimensioned correspondingly short. This facilitates on the one hand, the joining and releasing the floorboards 1 from each other. On the other hand, an unnecessary and unwanted clamping or friction by dust or grinding or milling residues in the groove 10 is avoided.
  • the spring 18a is likewise supported on the groove base 16 only with a relatively small bearing surface 64.
  • the support surface 64 is - and this applies to all profiles described above - only sized so large that an alignment of the floorboards is guaranteed in terms of height. Otherwise, a free space below the spring 18a is provided to the groove bottom.
  • the spring 18a is rigid. Unlike the resilient spring 18b, the rigid spring 18a has a widened free end 26a relative to the width of the base near the top 6 of the floor element 4. This favors the effect of the cone, which is formed by the assignment of pressure surface 36 and contact surface 38, and prevents horizontal sliding apart of the floor elements 2.4 relative to the plane of the top 6.
  • Fig. 5 ac shows a the understanding of the invention facilitating, but not falling under the invention profile in which the corresponding locking elements are not - as usual - on the free surface 24 of the spring or the long lip 12 of the groove are arranged. Instead, a projection on the surface 20 facing the free space 20 is formed on the spring 18. A corresponding recess is formed on the short, free lip 14 of the groove, above the pressure surface 36. Projection and recess come after joining (see. Fig. 5c ) along the - with respect to the top of the floor element 4 oblique contact surface 60 for engagement.
  • This embodiment offers the advantage that a virtually joint-free installation of the end faces of two engaging floor elements is ensured.
  • the length of the boards to be produced is known.
  • a high-quality material is inserted instead of the material not suitable for producing the profiles, which makes it possible to work out the profile.
  • This material may be wood, plastic or metal or other suitable material for producing the profile and for absorbing the forces arising.
  • For an inventive profiling of the front sides of the floorboards is possible.
  • a recess can be created, which is inserted the above-described, suitable for the production of the profiles material and connected to the floorboard. Also in this way a profilierbare front side of the floorboard is made.
  • the compound proposed by the invention has a contact surface between the groove-shaped end face and the spring-shaped end face of the floorboard in the area of the wear layer and a pressure point which is arranged in the region between the base of the groove and the short lip of the groove which is arranged on the end face of the floorboard and the spring is on the other hand.
  • the pressure point which is formed between the spring and short lip of the groove, when two corresponding end faces of the floorboards are engaged with each other, it is ensured that the contact surface between the groove-shaped and the spring-shaped end side of the two floorboards is under compressive load, so that a Joint formation or detachment of the two floorboards is excluded.
  • the spring engages after assembly as a cone clamped in the groove and thus causes a fixation of the floorboards to each other. This type of cone clamping is simple and effective.
  • the end face of the spring which faces the groove-shaped end face, provided with a step.
  • the furthest protrudes from the contact surface, which is arranged on the long lip of the groove in the area of the effective area.
  • Below the contact surface, towards the free end of the spring the end face of the spring is narrower, so that a recessed step is formed.
  • the spring-facing surface of the long lip of the groove is formed correspondingly.
  • Below the contact surface a projection is formed whose dimensions correspond approximately to the dimensions of the recessed step of the spring.
  • the contact surface is designed to be particularly wide, so that the requirement to ensure a frontally gap-free connection of the floorboards to each other, is certainly met.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Centrifugal Separators (AREA)

Abstract

The profile for the connecting of at least two floor elements (1) has interacting grooves (10) and tongues (18a) on respective ends (2,4) of the elements, and corresponding locking elements (56,58) on each groove and tongue which in their vertical position fix two floor elements. The locking elements have bevelled contact faces, and either the tongue of the profile, or the groove and tongue, are elastically deformable. The groove and tongue form lock and especially in cone fashion.

Description

Die Erfindung betrifft Fußbodendielen. Als Fußbodendielen wird nachfolgend jeglicher Fußbodenbelag aufgefasst, bei dem mindestens zwei gleichartig aufgebaute Elemente miteinander in Eingriff gebracht werden.The invention relates to floorboards. As floorboards below any floor covering is considered, in which at least two identically constructed elements are engaged with each other.

Beispiele für die im Rahmen der Erfindung beanspruchten Fußbodendielen sind unter anderem Fertigparkett mit einer Nutzschicht, die nach Art eines Schiffsbodenparketts oder nach Art einer Landhausdiele gestaltet ist. Zu den Fußbodendielen zählen ebenfalls Dreischichtdielen, die aus drei etwa gleich starken Schichten, vorzugsweise aus Massivholz oder Furnier aufgebaut sind. Fußbodendielen, die im Rahmen der Erfindung beansprucht werden, sind häufig aus drei Schichten aufgebaut. Beispiele hierfür sind Fertigparkett mit einer dünnen Nutzschicht aus Furnier oder Massivholz, einer Mittellage aus verleimten oder unverleimten Stäben und einer Gegenzuglage aus minderwertigem Furnier oder Massivholz. Die Schichten sind mit der Hauptfaserrichtung ca. 90° zueinander versetzt, um maximale Dimensionsstabilität zu erreichen. Schichtdielen sind in der Regel aus drei etwa gleich starken und qualitativ etwa gleichwertigen Lagen von Massivholz bzw. Furnier aufgebaut. Furnier oder Stablagen sind bei einzelnen Produkten auch durch Holzwerkstoffschichten bzw. -platten zu ersetzen.Examples of claimed in the context of the invention floorboards include prefinished parquet with a wear layer that is designed in the manner of a ship's bed parquet or like a plank. The floorboards also include three-layer planks, which are made up of three approximately equally strong layers, preferably of solid wood or veneer. Floorboards that are claimed in the invention are often constructed of three layers. Examples include prefinished parquet with a thin wear layer of veneer or solid wood, a central layer of glued or glued bars and a Gegenzuglage of inferior veneer or solid wood. The layers are offset with the main fiber direction approximately 90 ° to each other in order to achieve maximum dimensional stability. Layered boards are usually constructed of three approximately equally strong and qualitatively approximately equivalent layers of solid wood or veneer. For individual products veneers or floor racks can also be replaced by wood-based material layers or boards.

Nachdem Fertigparkett bzw. Fußbodendielen zunächst als Produkte angeboten wurden, die miteinander zu verleimen sind, steigt mittlerweile die Nachfrage nach Fußbodendielen, die ohne Leimzugabe formschlüssig miteinander verbunden werden können. Während Profile für die Längsseiten von Fußbodendielen verhältnismäßig zügig entwikkelt wurden, besteht nach wie vor Bedarf an Profilen, die insbesondere geeignet sind, Fußbodendielen stirnseitig miteinander zu verbinden. Bei stirnseitigen Verbindungen sind unverhältnismäßig hohe Kräfte durch das holztypische Schwinden und Quellen und durch die in der Regel sehr langen Dielenelemente zu berücksichtigen.Now that prefabricated parquet or floorboards have been offered as products that need to be glued together, there is now a growing demand for floorboards that can be form-fitted without glue. While profiles for the long sides of floorboards have been developed relatively quickly, there is still a need for profiles which are particularly suitable for connecting floorboards to one another at the ends. In the case of front connections, disproportionately high forces are to be taken into account by the wood-typical shrinkage and swelling and, as a rule, by the very long plank elements.

Bekannt ist die in der DE 100 01 076 vorgeschlagene Lösung, die jedoch durch tiefe Einschnitte eine deutliche Schwächung der Fußbodendiele erfordert.The is known in the DE 100 01 076 proposed solution, which requires, however, by deep cuts a significant weakening of the floorboard.

Weiter wird in der WO 00/47841 vorgeschlagen, Fußbodenpaneele allseitig mit einem Profil zu versehen, bei dem eine senkrecht zur Plattenebene zu schließende Verbindung vorgeschlagen ist, die Nut, Feder und Verriegelungselemente vorsieht. Die Verriegelungselemente sollen eine waagerechte Anlagefläche haben und ein Verschieben der Fußbodenpaneele senkrecht zur Plattenebene verhindern. Die Verriegelungselemente sollen elastisch ausgebildet sein. Nachteilig an dieser Lösung ist es, dass entweder gesonderte Bauteile eingelegt oder eingeleimt werden müssen, die Teile der Verriegelungselemente darstellen und die zum exakten Verriegeln sehr präzise positioniert werden müssen. Dies ist verarbeitungsaufwändig. Weiter ist nachteilig, dass die verriegelungselemente beim Zusammenfügen leicht beschädigt werden können, wenn sie auf die in der WO 00/47841 vorgeschlagene Weise horizontale Anlageflächen aufweisen.Next will be in the WO 00/47841 proposed to provide floor panels on all sides with a profile in which a perpendicular to the plate plane to be closed connection is proposed, which provides groove, spring and locking elements. The locking elements should have a horizontal contact surface and prevent displacement of the floor panels perpendicular to the plane of the plate. The locking elements should be elastic. A disadvantage of this solution is that either separate components must be inserted or glued, which represent parts of the locking elements and must be positioned very precisely for exact locking. This is laborious. Another disadvantage is that the locking elements can be easily damaged when joining, if they are based on the in the WO 00/47841 proposed manner have horizontal contact surfaces.

Zum Stand der Technik zählende Profile zum Verbinden von Fussbodenelementen sind ferner aus den Dokumenten WO 01/98604 A1 sowie DE 200 08 708 U1 bekannt. Ein nachveröffentlichter, ein Paneel sowie ein Befestigungssystem für Paneele betreffender Stand der Technik wird in der WO 03/016654 A1 offenbart.Prior art profiles for joining floor elements are further apparent from the documents WO 01/98604 A1 such as DE 200 08 708 U1 known. A post-published, related to a panel and a fastening system for panels related art is in the WO 03/016654 A1 disclosed.

Es ist daher Aufgabe der Erfindung, ein Profil zum senkrechten Verbinden von mindestens zwei Fußbodenpaneelen vorzuschlagen, das einfach herzustellen und sicher zu betätigen istIt is therefore an object of the invention to provide a profile for the vertical joining of at least two floor panels, which is easy to manufacture and safe to operate

Diese Aufgabe wird gelöst durch ein Profil gemäß Anspruch 1 der Erfindung. Das Profil zum senkrechten Verbinden von mindestens zwei Fußbodenelementen, die jeweils mit einer Oberseite, einer Unterseite, zwei Längsseiten und zwei Stirnseiten versehen sind, weist folgende Gestaltungsmerkmale auf:

  • eine Nut, die an einer ersten Stirnseite eines Fußbodenelements angebracht ist;
  • eine Feder, die an einer zweiten Stirnseite eines Fußbodenelements angebracht ist, und
  • an Nut und Feder angeordnete, korrespondierende Verriegelungselemente, die mindestens zwei zu verbindende Fußbodenelemente in ihrer vertikalen Zuordnung festlegen, weiter weisen
  • die Verriegelungselemente schräg angeordnete Anlageflächen auf, und
  • entweder die Feder des Profils oder Nut und Feder sind elastisch verformbar, wobei
  • die Feder zweiteilig ausgebildet ist, wobei an einem ersten elastischen Federteil ein erstes Teil eines korrespondierenden Verriegelungselements angeordnet ist, während das zweite Federteil starr ausgebildet ist, wobei
  • ein von der Unterseite des Fussbodenelements her ausgearbeiteter Freiraum zwischen erstem und zweitem Federteil ausgeformt ist,
  • der Freiraum, bezogen auf die Oberfläche des Fußbodenelements, schräg verläuft.
This object is achieved by a profile according to claim 1 of the invention. The profile for the vertical joining of at least two floor elements, which are each provided with an upper side, a lower side, two longitudinal sides and two end faces, has the following design features:
  • a groove attached to a first end face of a floor member;
  • a spring which is attached to a second end face of a floor element, and
  • arranged on tongue and groove, corresponding locking elements that define at least two to be connected floor elements in their vertical assignment, further points
  • the locking elements obliquely arranged contact surfaces, and
  • either the spring of the profile or tongue and groove are elastically deformable, wherein
  • the spring is formed in two parts, wherein on a first elastic spring part, a first part of a corresponding locking element is arranged, while the second spring part is rigid, wherein
  • a free space developed between the first and the second spring part is formed from the underside of the floor element;
  • the free space, based on the surface of the floor element, obliquely.

Diese üblicherweise als Rastnase und korrespondierende Ausnehmung ausgebildeten Elemente wirken jeweils zusammen und legen die zu verbindenden Fußbodenelemente gegeneinander in vorgegebener Stellung fest. In der Regel verhindern sie bei senkrecht zu schließenden Profilen ein Verschieben vertikal zur Ebene des kußbodenelements bzw, der Oberfläche des Fußbodenelements. Die korrespondierenden Verriegelungselemente weisen deshalb eine gemeinsame Anlagelinie oder -fläche auf. Anders als bei waagerechten, also parallel zur Oberseite des Fußbodenelements verlaufenden Anlageflächen genügt schon eine einfach schräg gestellte Anlageflächen, um ein sicheres Verriegeln zu gewährleisten. Gleichzeitig ermöglicht eine schräge Anlagefläche ein einfacheres und für die Verriegelungselemente schonenderes Zusammenfügen des Profils und damit der Fußbodenelemente.These elements, which are usually designed as latching lugs and corresponding recesses, act together in each case and fix the floor elements to be connected against each other in a predetermined position. In general, they prevent perpendicular to be closed profiles shifting vertically to the floor of the floor element or, the surface of the floor element. The corresponding locking elements therefore have a common investment line or surface. Unlike in horizontal, so parallel to the top of the floor element extending contact surfaces even a simply inclined contact surfaces enough to ensure a secure locking. At the same time an inclined contact surface allows a simpler and gentler for the locking elements joining the profile and thus the floor elements.

Die elastische Verformbarkeit von Feder oder Nut und Feder, also das Auslenken von Feder oder Nut und Feder beim Zusammenfügen des Profils bzw. zweiter Fußbodenelemente tragen ebenfalls zur Schonung der Verriegelungselemente sowie von Nut und Feder bei. Das Auslenken der Feder oder von Nut und Feder schont die korrespondierenden Verriegelungselemente, wenn sie beim Zusammenfügen der Fußbodendielen miteinander in Eingriff gebracht werden.The elastic deformability of spring or tongue and groove, so the deflection of spring or tongue and groove when joining the profile or second floor elements also contribute to the protection of the locking elements and of tongue and groove. The deflection of the spring or tongue and groove protects the corresponding locking elements when they are engaged in the assembly of the floorboards with each other.

Die zu verbindenden Fußbodenelemente bzw. -dielen werden in ihrer horizontalen Stellung zueinander besonders wirksam festgelegt, wenn Nut und Feder als Konus ausgebildet sind. Diese formschlüssige Verbindung des Profils fixiert die beiden Fußbodendielen auf einfache und sichere Weise. Die Konizität von Nut und Feder kann beibehalten werden, auch wenn korrespondierende Verriegelungselemente oder besondere Ausführungsformen von Nut und Feder vorzusehen sind. Es genügt, wenn Nut und Feder mindestens abschnittsweise zum konischen Eingriff ausgelegt sind.The floor elements or planks to be joined are set particularly effective in their horizontal position to each other when groove and tongue are formed as a cone. This positive connection of the profile fixes the two floorboards in a simple and safe way. The taper of tongue and groove can be maintained, even if corresponding locking elements or special embodiments of tongue and groove are provided. It is sufficient if tongue and groove are at least partially designed for conical engagement.

Nach einer vorteilhaften Ausführungsform ist die Feder des Profils so ausgearbeitet, dass sie beim Zusammenfügen des Profils ausgelenkt wird, um dann nach dem erfolgten Eingriff von Nut und Feder wieder die Ausgangsstellung einzunehmen. Diese Elastizität lässt sich herstellen, indem der erforderliche Freiraum, der für den Eingriff einer Lippe der Nut erforderlich ist, so tief ausgearbeitet wird, dass der verbleibende Verbindungssteg zum Profil bzw, zum Fußbodenelement ein Auslenken der Feder ermöglicht. Diese Ausführungsform erweist sich als vorteilhaft, weil zum einen keine Auslenkung an der Unterseite des Profils erfolgt, so dass es sich erübrigt, Maßnahmen zu ergreifen, die ein solches Auslenken in Richtung auf die Unterlage der Fußbodendielen gestatten. Zum anderen bewirkt diese Ausführungsform, dass die Bildung von unerwünschten Fugen zwischen den Stirnseiten zweiter Fußbodenelemente vermieden wird.According to an advantageous embodiment, the spring of the profile is designed so that it is deflected during assembly of the profile, and then return to the starting position after the successful engagement of tongue and groove. This elasticity can be produced by the required clearance, which is necessary for the engagement of a lip the groove is required, is worked so deep that the remaining connecting web to the profile or, to the floor element allows a deflection of the spring. This embodiment proves to be advantageous because on the one hand there is no deflection on the underside of the profile, so that it is unnecessary to take measures that allow such a deflection in the direction of the base of the floorboards. On the other hand, this embodiment causes the formation of undesirable joints between the end faces of second floor elements is avoided.

Gemäß der Erfindung ist die Feder des Profils zweiteilig ausgebildet. Ein erstes Federteil ist elastisch ausgebildet, ein zweites Federteil ist starr ausgebildet. An dem elastischen ersten Federteil ist ein erstes Teil eines korrespondierenden Verriegelungsmittel angeordnet. Der große Vorteil der zweigeteilten Feder liegt darin, dass die Verformungsvorgänge beim Zusammenfügen des Profils nicht dazu führen, dass Nut oder Feder oder Teile davon sich beim Zusammenfügen über Ober- oder Unterseite der Fußbodenelemente hinaus verschieben.According to the invention, the spring of the profile is formed in two parts. A first spring part is elastic, a second spring part is rigid. At the elastic first spring part, a first part of a corresponding locking means is arranged. The great advantage of the two-part spring is that the deformation processes during assembly of the profile do not cause the tongue or groove or parts thereof to move beyond the top or bottom of the floor elements during assembly.

Allgemein kann das elastische erste Federteil so ausgebildet sein, dass ein Verformen und Auslenken während des Zusammenfügen des Profils ermöglicht ist. Erfindungsgernäß wird aber zwischen erstem und zweiten Federteil ein Freiraum geschaffen, der ein Auslenken des ersten Federteils auf das zweite Federteil ermöglicht. Diese Ausgestaltung ist mittels üblicher Werkzeuge und Verfahren herzustellen, z. B. zu Fräsen. Der Freiraum verläuft gemäß der Erfindung-bezogen auf die Oberseite eines Fußbodenelements- schräg. Die exakte Ausgestaltung des Freiraums kann in Abstimmung zum verwendeten Material des Profils und zum Profil selbst gewählt werden.In general, the elastic first spring part can be designed so that a deformation and deflection during assembly of the profile is made possible. However, according to the invention, a free space is created between the first and second spring parts, which allows a deflection of the first spring part onto the second spring part. This embodiment is to be produced by means of conventional tools and methods, for. B. to milling. The space runs obliquely according to the invention-based on the top of a floor element. The exact design of the free space can be chosen in coordination with the material used for the profile and the profile itself.

Eine Ausführungsform des erfindungsgemäßen Profils, mit der ein fugenfreies Zusammenfügen der Stirnseiten von Fußbodenelementen auf einfache Weise gewährleistetwerden kann, ist so ausgebildet, dass die Feder ein erstes Teil eines korrespondierenden Verriegelungselementes aufweist, dass mit einem zweiten Teil des korrespondierenden Verriegelungselementes in Eingriff gebracht werden kann. Dieses zweite Teil des korrespondierenden Verriegelungselementes ist an einer kurzen, freien Lippe der Nut angebracht und weist zur Feder hin.An embodiment of the inventive profile, with which a joint-free joining of the end faces of floor elements can be ensured in a simple manner, is designed so that the spring has a first part of a corresponding locking element that can be engaged with a second part of the corresponding locking element. This second part of the corresponding locking element is attached to a short, free lip of the groove and faces the spring.

Das erfindungsgemäße Profil erfordert eine gewisse Elastizität des Materials. Spröde Werkstoff wie z. B. hochdichte Faserplatten oder Werkstoffe mit geringer Biegefestigkeit wie z. B. Spanplatten, eignen sich nicht gut für die Herstellung des vorbeschriebenen Profils. Es wird deshalb bevorzugt, wenn Kunststoff, Massivholz oder Sperrholz zur Herstellung des Profils verwendet werden. Diese Materialien weisen bei guter Bearbeitbarkeit mit bekannten Werkzeugen eine ausreichende Elastizität auf, um das zuverlässige Funktionieren des Profils zu gewährleisten.The profile according to the invention requires a certain elasticity of the material. Brittle material such. As high density fiberboard or materials with low bending strength such. As chipboard, are not well suited for the production of the above-described profile. It is therefore preferred if plastic, solid wood or plywood are used for the production of the profile. These materials, with good machinability with known tools on a sufficient elasticity to ensure the reliable functioning of the profile.

Das erfindungsgemäße Profil kann, je nach Bedarf, entweder als separates Bauteil vorgefertigt werden, um dann an Stirnseiten von Fußbodenelementen angebracht zu werden, beispielsweise durch Einkleben in eine Nut in der Stirnseite. Eignet sich das Material des Fußbodenelements, z. B. im Fall einer Massivholz-Fußbodendiele, dann kann das erfindungsgemäße Profil integral aus dem Werkstoff des Fußbodenelements herausgefräst werden.The profile according to the invention can, depending on requirements, either be prefabricated as a separate component, in order then to be attached to end faces of floor elements, for example by gluing in a groove in the front page. Is the material of the floor element, z. B. in the case of a solid wood floorboard, then the profile according to the invention can be machined out of the material of the floor element integrally.

Weitere Profile, die geeignet sind, vor allem die Stirnseiten von Fußbodendielen miteinander zu verbinden, werden im Rahmen der Erfindung vorgeschlagen.Other profiles that are suitable, especially the front sides of floorboards to connect with each other, are proposed in the invention.

Vorab werden unter Bezug auf die anliegenden Fig. die im Zusammenhang mit der Beschreibung einiger Ausführungsbeispiele der erfindungsgemäß vorgeschlagenen Profile verwendeten Begriffe erläutert. Es zeigen:

Fig. 1a
ein nut- und ein federförmiges Profil, insbesondere für die Stirnseite einer Fußbodendiele;
Fig. 1b
ein nut- und ein federförmiges Profil nach Fig. 1a, beim Zusammenfügen der Fußbodendielen:
Fig. 1c
das Profil nach Fig. 1a, 1b, im zusammengefügten Zustand;
Fig. 2a
ein zweites Beispiel eines nut- und federförmigen Profils, insbesondere für die Stirnseite einer Fußbodendiele;
Fig. 2b
das Profil nach Fig. 2a, beim Zusammenfügen der Fußbodendielen;
Fig. 2c
das Profil nach Fig. 2a, 2b, im zusammengefügten Zustand;
Fig. 3a
ein drittes Beispiel eines nut- und federförmigen Profils, insbesondere für die Stirnseite einer Fußbodendiele;
Fig. 3b
die Profile nach Fig. 3a, beim Zusammenfügen der Fußbodendielen;
Fig. 3c
die Profile nach Fig. 3a, 3b, im zusammengefügten Zustand;
Fig. 4a
ein Ausführungsbeispiel eines nut- und federförmigen Profils, insbesondere für die Stirnseite einer Fußbodendiele;
Fig. 4b
das Profil nach Fig. 4a, beim Zusammenfügen der Fußbodendielen;
Fig. 4c
das Profile nach Fig. 4a, 4b, im zusammengefügten Zustand;
Fig. 5a
ein fünftes Beispiel eines nut- und federförmigen Profils, insbesondere für die Stirnseite einer Fußbodendiele;
Fig. 5b
das Profil nach Fig. 5a beim Zusammenfügen der Fußbodendielen;
Fig. 5c
das Profil nach Fig. 5a, 5b im zusammengefügten Zustand.
With reference to the attached figures, the terms used in connection with the description of some embodiments of the profiles proposed according to the invention will be explained in advance. Show it:
Fig. 1a
a nut and a spring-shaped profile, in particular for the front side of a floorboard;
Fig. 1b
a nut and a spring-shaped profile Fig. 1a , when joining the floorboards:
Fig. 1c
the profile after Fig. 1a, 1b in the assembled state;
Fig. 2a
a second example of a groove and spring-shaped profile, in particular for the front side of a floorboard;
Fig. 2b
the profile after Fig. 2a when joining the floorboards;
Fig. 2c
the profile after Fig. 2a, 2b in the assembled state;
Fig. 3a
a third example of a groove and spring-shaped profile, in particular for the front side of a floorboard;
Fig. 3b
the profiles after Fig. 3a when joining the floorboards;
Fig. 3c
the profiles after Fig. 3a, 3b in the assembled state;
Fig. 4a
an embodiment of a groove and spring-shaped profile, in particular for the front side of a floorboard;
Fig. 4b
the profile after Fig. 4a when joining the floorboards;
Fig. 4c
the profile after Fig. 4a, 4b in the assembled state;
Fig. 5a
a fifth example of a groove and spring-shaped profile, in particular for the front side of a floorboard;
Fig. 5b
the profile after Fig. 5a when assembling the floorboards;
Fig. 5c
the profile after Fig. 5a, 5b in the assembled state.

Die Figuren 1, 2, 3, 5 and 6 stellen beispielhafte, das Verständnis der Erfindung erleichternde Ausführungsformen dar, welche nicht unter die Erfindung fallen.The FIGS. 1 . 2 . 3 . 5 and 6 illustrate exemplary, facilitating the understanding of the invention embodiments, which are not covered by the invention.

Fig. 1a zeigt eine nutförmige Stirnseite 2 einer Fußbodendiele 1 sowie eine federförmige Stirnseite 4 einer Fußbodendiele. Es stehen - wie nachstehend erläutert wird - nach dem Verlegen der Fußbodendielen stets eine nutförmige und eine federförmige Stirnseite von zwei Fußbodendielen miteinander im Eingriff. Entsprechend weist eine Fußbodendiele 1 jeweils eine erste nutförmige Stirnseite 2 und eine zweite federförmige Stirnseite 4 auf. Die Fußbodendiele ist dreischichtig aufgebaut. Die gestrichelten Linien in den Fig. deuten die drei Lagen der Fußbodendiele an. Sie weist an der Oberseite 6 eine Nutzschicht auf. Die Unterseite 8 der Fußbodendiele kann aus beliebigem Material bestehen. Fig. 1a shows a groove-shaped end face 2 of a floorboard 1 and a spring-shaped end face 4 of a floorboard. There are - as will be explained below - after laying the floorboards always a groove-shaped and a spring-shaped end face of two floorboards engaged with each other. Accordingly, a floorboard 1 each have a first groove-shaped end face 2 and a second spring-shaped end face 4. The floorboard is constructed in three layers. The dashed lines in the figures indicate the three layers of the floorboard. It has a wear layer on the upper side 6. The underside 8 of the floorboard can be made of any material.

Die nutförmige Stirnseite 2 weist eine Nut 10 mit einer langen Lippe 12 und einer kurzen Lippe 14 auf. Die Lippen 12, 14 der Nut 10 sind durch die Basis 16 miteinander verbunden. Die Nut 10 wird von der Oberseite 6 der Fußbodendiele 1 her ausgearbeitet, in der Regel ausgefräst.The groove-shaped end face 2 has a groove 10 with a long lip 12 and a short lip 14. The lips 12, 14 of the groove 10 are interconnected by the base 16. The groove 10 is worked out from the top 6 of the floorboard 1 forth, usually milled.

Die federformige Stirnseite weist eine Feder 18 auf, die durch einen Freiraum 20 von der Stirnfläche 22 der Fußbodendiele 1 abgegrenzt ist. Die Feder 18 wird von der Unterseite 8 der Fußbodendiele 1 her ausgearbeitet, in der Regel ausgefräst.The federformige end face has a spring 18 which is delimited by a free space 20 of the end face 22 of the floorboard 1. The spring 18 is worked out from the bottom 8 of the floorboard 1 forth, usually milled.

Aus Fig. 1b ist zu entnehmen, dass beim Ineinanderfügen von Nut 10 und Feder 18 die freie Fläche der langen Lippe 12 und die freie Fläche 24 der Feder 18 einander zugewandt sind. Das freie Ende 26 der Feder 18 ist der Basis 16 der Nut 10 zugewandt. Die kurze Lippe 14 der Nut 10 ragt in den Freiraum 20 der federförmigen Stirnseite 4 hinein.Out Fig. 1b It can be seen that when joining groove 10 and spring 18, the free surface of the long lip 12 and the free surface 24 of the spring 18 facing each other. The free end 26 of the spring 18 is the base 16 of the groove 10 facing. The short lip 14 of the groove 10 protrudes into the free space 20 of the spring-shaped end face 4.

Fig. 1c zeigt die nutförmige Stirnseite 2 und die federförmige Stirnseite 4 der Fußbodendielen 1 miteinander im Eingriff. Die dem Freiraum 20 zugewandte Fläche 28 der Feder 18 liegt an der der langen Lippe 12 zugewandten Fläche 30 der kurzen Lippe 14 an. Das freie Ende 26 der Feder 18 ist der Basis 16 der Nut 10 zugewandt, liegt aber nicht zwingend an der Basis 16 an. Das freie Ende 32 der kurzen Lippe 14 ist der Grundfläche 34 des Freiraums 20 zugewandt, liegt aber nicht zwingend an der Grundfläche 34 an. Fig. 1c shows the groove-shaped end face 2 and the spring-shaped end face 4 of the floorboards 1 with each other in engagement. The free space 20 facing surface 28 of the spring 18 abuts against the long lip 12 facing surface 30 of the short lip 14. The free end 26 of the spring 18 is the base 16 of the groove 10 facing, but is not necessarily on the base 16 at. The free end 32 of the short lip 14 faces the base surface 34 of the free space 20, but is not necessarily adjacent to the base surface 34.

Dort, wo die Feder 18 mit der dem Freiraum 20 zugewandte Fläche 28 an der Fläche 30 der kurzen Lippe 14 anliegt, wird eine Druckfläche 36 gebildet. Ausgehend von der Druckfläche 36 wird eine Druckkraft auf die Anlagefläche 38 ausgeübt, die dadurch gebildet wird, dass die nutförmige und die federförmige Stirnseite 2, 4 der Fußbodendiele 1 an der Oberseite 6 aneinander anliegen. Sowohl die Druckfläche 36 als auch die Anlagefläche 38 können punkt- oder linienförmig ausgebildet sein. Bevorzugt sind die Flächen 36, 38 aber auch tatsächlich flächig ausgebildet.There, where the spring 18 with the free space 20 facing surface 28 bears against the surface 30 of the short lip 14, a pressure surface 36 is formed. Starting from the pressure surface 36, a pressure force is exerted on the contact surface 38, which is formed by the fact that the groove-shaped and the spring-shaped end face 2, 4 of the floorboard 1 abut against each other at the top 6. Both the pressure surface 36 and the contact surface 38 may be formed point or line. Preferably, the surfaces 36, 38 but also actually formed flat.

Um das Zusammenfügen der Stirnseiten 2, 4 der Fußbodendielen 1 zu erleichtern, ist das freie Ende 26 der Feder 18 schmaler ausgebildet als die Basis 16 der Nut 10. Weiter sind zum einfacheren Zusammenfügen der Stirnseiten 2, 4 das freie Ende 26 der Feder 18, das freie Ende 32 der kurzen Lippe 14 der Nut 10 sowie die Grundfläche 34 des Freiraums 20 am Übergang zu angrenzenden Flächen jeweils mit gerundeten oder gebrochenen bzw. gefasten Kanten ausgebildet. Entsprechend sind die Stirnfläche 22 des Freiraums 20 und die Abschlussfläche 40 der kurzen Lippe 14 der Nut 10 nach dem Zusammenfügen im Abstand voneinander angeordnet.In order to facilitate the joining of the end faces 2, 4 of the floorboards 1, the free end 26 of the spring 18 is narrower than the base 16 of the groove 10. Further, for easier assembly of the end faces 2, 4, the free end 26 of the spring 18, the free end 32 of the short lip 14 of the groove 10 and the base 34 of the free space 20 at the transition to adjacent surfaces each formed with rounded or chipped or bevelled edges. Correspondingly, the end face 22 of the free space 20 and the end face 40 of the short lip 14 of the groove 10 are spaced apart from each other after assembly.

Um eine möglichst große Anlagefläche 38 zu erzielen, ist die freie Fläche 24 der Feder 18 in der Weise gestaltet, dass sie in einem ersten Abschnitt 42 im Bereich der Oberseite 6 der Fußbodendiele 1 weiter auskragt als in einem zweiten Abschnitt 44 im Bereich der Mittellage 46 der Fußbodendiele 1. Entsprechend weist die Außenfläche der langen Lippe 12 der nutförmigen Stirnseite 4 im Bereich der Oberseite 6 der Fußbodendiele 1 einen ersten Abschnitt 48 auf, der weiter ausgenommen ist als die Basis 16 der Nut 10. An diesen ersten Abschnitt 48 schließt sich zur Basis 16 der Nut 10 ein zweiter Abschnitt 50 an, der etwa rechtwinklig zur Basis 16 der Nut 10 verläuft.In order to achieve the largest possible contact surface 38, the free surface 24 of the spring 18 is designed in such a way that it protrudes further in a first section 42 in the region of the top 6 of the floorboard 1 as in a second section 44 in the region of the central layer 46th Accordingly, the outer surface of the long lip 12 of the groove-shaped end face 4 in the region of the top 6 of the floorboard. 1 a first portion 48, which is further excluded than the base 16 of the groove 10. At this first portion 48 connects to the base 16 of the groove 10, a second portion 50 which extends approximately at right angles to the base 16 of the groove 10.

Fig. 1c zeigt, dass die Abschnitte 42, 44 und 48, 50 korrespondierend zueinander ausgearbeitet sind. Das Zusammenfügen der beiden Stirnseiten 2, 4 wird dadurch sehr erleichtert. Fig. 1c shows that the sections 42, 44 and 48, 50 are worked out corresponding to each other. The joining of the two end faces 2, 4 is thereby greatly facilitated.

Fig. 1c verdeutlicht weiter, dass die Anlagefläche 38 gut besser definiert ist. Da die Anlagefläche 38 das optische Erscheinungsbild und den qualitativen Eindruck der verlegten Fußbodendielen wesentlich bestimmt, wird mit den Profilen, die außerordentlich einfach herstellbar sind, der gewünschte, von den Kunden mit Holzfußböden assoziierte hochwertige, weil fugenarme Eindruck vermittelt. Fig. 1c further clarifies that the contact surface 38 is well defined better. Since the contact surface 38 substantially determines the visual appearance and the qualitative impression of the laid floorboards, the profiles, which are extraordinarily easy to produce, provide the desired high-quality, low-joint impression associated with wooden floors.

Die vorstehend erläuterten Ausführungen der profilierten Fußbodendielen 1 bewirken mit einer einfachen Ausbildung von Nut und Feder eine überraschend zuverlässige, fugendichte Verbindung der Stirnseiten zweier miteinander im Eingriff stehender Fußbodendielen. Gleichzeitig wird durch das Erzeugen von Druckkräften verhindert, dass die Fußbodendielen sich in senkrechter Richtung -bezogen auf die Ober- bzw. Unterseite der Fußbodendielen- nach dem Zusammenfügen verschieben.The above-explained embodiments of the profiled floorboards 1 effect with a simple formation of tongue and groove a surprisingly reliable, joint-tight connection of the end faces of two mutually engaged floorboards. At the same time, by generating compressive forces, the floorboards are prevented from shifting in the vertical direction, relative to the top or bottom of the floorboards, after assembly.

Fig. 1a zeigt eine Ausführungsform der profilierten Fußbodendielen, bei denen durch die Gestaltung der Feder 18 das Aufbringen der Druckkraft auf die Anlagefläche 38 und das Verhindern des Verschiebens der Stirnflächen 2, 4 in senkrechter Richtung durch eine zweigeteilte Feder 18a, 18b bewirkt ist. Fig. 1a shows an embodiment of the profiled floorboards, in which by the design of the spring 18, the application of the compressive force on the abutment surface 38 and preventing the displacement of the end faces 2, 4 in the vertical direction by a two-part spring 18a, 18b is effected.

Von der Unterseite 8 der Fußbodendiele 1 her wird ein erster Freiraum 20a ausgearbeitet, an den sich eine erste Feder 18a anschließt. Die Feder 18a weist eine zum Freiraum 20 hin gerichtete Fläche 28 auf, die nach dem Zusammenfügen der Fußbodendielen 1 mit der zur langen Lippe 12 hin gerichteten Fläche 30 der kurzen Lippe 14 in Eingriff kommt. Die erste Feder 18a ist so ausgebildet, dass sie beim Zusammenfügen der nutförmigen Stirnseite 2 und der federförmigen Stirnseite 4 kaum ausgelenkt wird. Zum freien Ende 52 der federförmigen Stirnseite 2 schließt sich an die Feder 18a ein Freiraum 20 b an, der zum freien Ende 52 hin von einer zweiten Feder 18b begrenzt ist. Der Freiraum 20b ragt näher an die Oberseite 6 der Fußbodendiele 1 heran als der Freiraum 20a.From the underside 8 of the floorboard 1, a first free space 20a is worked out, to which a first spring 18a adjoins. The spring 18a has a surface 28 directed towards the free space 20, which, after joining the floorboards 1, engages with the surface 30 of the short lip 14 directed towards the long lip 12. The first spring 18a is formed so that it is hardly deflected when joining the groove-shaped end face 2 and the spring-shaped end face 4. At the free end 52 of the spring-shaped end face 2, a free space adjoins the spring 18a 20 b, which is bounded towards the free end 52 by a second spring 18b. The free space 20b projects closer to the upper side 6 of the floorboard 1 than the free space 20a.

Die Feder 18b ist gegenüber der Feder 18a beim Zusammenfügen der Stirnseiten 2, 4 auslenkbar (siehe Fig. 1b). Zum Zwischenraum 20b hin ist die Feder 18b mit einer geraden Fläche 54 gestaltet. Zum freien Ende 52 hin ist die Feder 18b an ihrem freien Ende 26b mit einer Rastnase 56 versehen.The spring 18b is deflectable relative to the spring 18a when joining the end faces 2, 4 (see Fig. 1b ). Toward the intermediate space 20b, the spring 18b is designed with a straight surface 54. Towards the free end 52, the spring 18b is provided with a latching nose 56 at its free end 26b.

Die Nut 10 ist im Bereich der langen Lippe 12 mit einem Riegel 58 versehen, unter dem die Rastnase 56 der Feder 18b nach dem Zusammenfügen der Fußbodendielen 1 einrastet. Damit ergibt sich nach dem Zusammenfügen der nutförmigen Stirnseite 2 und der federförmigen Stirnseite4 der Fußbodendielen 1 neben der ersten Anlagefläche 38 eine zweite Anlagefläche 60, die jedoch -bezogen auf die Ober- bzw. Unterseite 6,8 der Fußbodendiele 1- schräg ausgerichtet ist (siehe Fig. 1c). Durch die Anlagefläche 60 wird ein Verschieben der Fußbodendielen 1 gegeneinander verhindert. Der Freiraum 20 b ist so dimensioniert, dass die Feder 18b beim Zusammenfügen durch den Riegel 58 ausgelenkt werden kann. Das fugendichte Zusammenfügen der nutförmigen 2 und federförmigen4 Stirnseiten wird -wie bei den zuvor beschriebenen Ausführungsformen der Fig. 1-3- durch die Feder 18a und die kurze Lippe 14, durch die die Druckfläche 36 ausgebildet ist, gewährleistet.The groove 10 is provided in the region of the long lip 12 with a latch 58, under which the detent 56 of the spring 18b engages after assembly of the floorboards 1. This results after the joining of the groove-shaped end face 2 and the spring-shaped end face 4 of the floorboards 1 next to the first contact surface 38, a second contact surface 60, which, however -related to the top and bottom 6.8 of the floorboard 1- obliquely aligned (see Fig. 1c ). By the contact surface 60, a displacement of the floorboards 1 against each other is prevented. The free space 20 b is dimensioned so that the spring 18 b can be deflected during assembly by the latch 58. The joint-tight assembly of the groove-shaped 2 and spring-shaped 4 end faces is -as in the previously described embodiments of Fig. 1-3 - By the spring 18 a and the short lip 14 through which the pressure surface 36 is formed, guaranteed.

Die in den Fig. 2a bis 2c dargestellte Ausführungsform ist besonders vorteilhaft für Fußbodendielen, die mehrfach zusammengefügt und auseinandergenommen werden sollen, beispielsweise für temporär verlegte Fußböden in Messe- oder Ausstellungshallen. Es handelt sich um eine Ausführungsform, die ausgehend von der in Fig. 1a bis 1c dargestellten Variante entwickelt wurde.The in the Fig. 2a to 2c illustrated embodiment is particularly advantageous for floorboards that are to be repeatedly assembled and disassembled, for example, temporarily installed floors in exhibition or exhibition halls. It is an embodiment based on the in Fig. 1a to 1c variant has been developed.

Die nutförmige Stirnseite 2 weist eine Nut 10 auf, deren Nutgrund 16 verhältnismäßig flach ausgebildet ist, so dass eine stärkere Materialschicht auf der Unterseite 8 der Fußbodendiele 1 verbleibt. Entsprechend ist die kurze Lippe 14 der Nut 10 bezogen auf den Nutgrund 16 weniger hoch als bei der in Fig. 1a bis 1c gezeigten Ausführungsform. Die kurze Lippe 14 der Nut 10 ragt, bezogen auf die Dicke der Fußbodendiele 1, vorzugsweise nicht in die obere Hälfte der Fußbodendiele 1 hinein. Die lange Lippe 12 ist mit einem Riegel 58 ausgestattet, der nach dem Zusammenfügen der korrespondierenden Enden der Fußbodendielen mit einer Rastnase 56 der Feder 18b im eingriff steht.The groove-shaped end face 2 has a groove 10, the groove base 16 is relatively flat, so that a stronger layer of material on the bottom 8 of the floorboard 1 remains. Accordingly, the short lip 14 of the groove 10 with respect to the groove bottom 16 is less high than in the Fig. 1a to 1c shown embodiment. The short lip 14 of the groove 10 protrudes, based on the thickness of the floorboard 1, preferably not into the upper half of the floorboard 1 into it. The long lip 12 is provided with a latch 58 which, after the joining of the corresponding ends of the floorboards, is engaged by a latching lug 56 of the spring 18b.

Die Federn 18a und 18b sind korrespondierend zu den Abmessungen der Nut 10 ausgebildet. Der Freiraum 20a ist mit Rücksicht auf die in der Höhe reduzierten kurzen Lippe 14 weniger tief ausgearbeitet. Dies kommt der Stabilität der Fußbodendiele zugute. Der Freiraum 20 b ist dagegen unverändert tief eingeschnitten, um ein Auslenken der Feder 18b beim Zusammenfügen der Fußbodendielen zu ermöglichen (vg. Fig. 5b).The springs 18 a and 18 b are formed corresponding to the dimensions of the groove 10. The clearance 20a is made less deep with respect to the reduced in height short lip 14. This benefits the stability of the floorboard. The space 20 b, however, is still deeply cut to allow a deflection of the spring 18 b when assembling the floorboards (see FIG. Fig. 5b ).

Fig. 2c zeigt die Fußbodendielen nach dem Zusammenfügen. Druckfläche 36 und Anlagefläche 38 sind nach Art eines Konus zusammengefügt. Rastnase 56 und Riegel 58 liegen an der zweiten Anlagefläche 60 aneinander an. Zwischen der Feder 18b und der Nut 10 ist unterhalb der zweiten Anlagefläche 60 ein Freiraum 62 vorgesehen. Die Feder 18b ist entsprechend kurz dimensioniert. Dies erleichtert zum einen das Zusammenfügen und Lösen der Fußbodendielen 1 voneinander. Zum anderen wird ein unnötiges und unerwünschtes Klemmen oder eine Reibung durch Staub oder Schleif- bzw. Fräsrückstände in der Nut 10 vermieden. Fig. 2c shows the floorboards after assembly. Pressure surface 36 and contact surface 38 are joined together in the manner of a cone. Latch 56 and latch 58 are located on the second bearing surface 60 to each other. Between the spring 18b and the groove 10, a free space 62 is provided below the second bearing surface 60. The spring 18b is dimensioned correspondingly short. This facilitates on the one hand, the joining and releasing the floorboards 1 from each other. On the other hand, an unnecessary and unwanted clamping or friction by dust or grinding or milling residues in the groove 10 is avoided.

Die Feder 18a ist ebenfalls nur mit einer verhältnismäßig klein bemessenen Auflagefläche 64 auf dem Nutgrund 16 abgestützt. Die Auflagefläche 64 ist -und dies gilt für alle vorstehend beschriebenen Profile- nur so groß bemessen, dass eine Ausrichtung der Fußbodendielen der Höhe nach gewährleistet ist. Ansonsten ist ein Freiraum unterhalb der Feder 18a zum Nutgrund hin vorgesehen.The spring 18a is likewise supported on the groove base 16 only with a relatively small bearing surface 64. The support surface 64 is - and this applies to all profiles described above - only sized so large that an alignment of the floorboards is guaranteed in terms of height. Otherwise, a free space below the spring 18a is provided to the groove bottom.

Trotz der komplexen Aufteilung der Funktionen ist das Profil der in Fig. 1a bis 1c und 2a bis 2c dargestellten Fußbodendiele einfach herzustellen. Es sind nur wenige, gut herstellbare Hinterschneidungen auszuarbeiten.Despite the complex division of functions, the profile is in Fig. 1a to 1c and 2a to 2c illustrated floorboard easy to make. There are only a few, well producible undercuts to work out.

Es wird festgehalten, dass die vorbeschriebene, als erfindungswesentlich angesehene Trennung der Funktionen (Sichern gegen eine Längsverschiebung der Fußbodendielen und Sichern gegen eine Höhenverschiebung der Fußbodendielen) nach dem Prinzip der Konusklemmung einerseits und der Verrastung mittels einer Feder andererseits auch in ganz anderer Anordnung des Profils ausgeführt werden kann. So ist es beispielsweise vorstellbar, dass die Verrastung im Bereich der kurzen Lippe der Nut erfolgt oder das eine Verrastung zwischen der kurzen Lippe der Nut und der federförmigen Stirnseite der Fußbodendiele erfolgt:

  • Fig. 3 a-c zeigt ein Profil, bei dem die Verrastung dahingehend weiter verbessert wurde, dass nun die Fuge zwischen den Fußbodendielen beim Zusammenfügen nicht geöffnet wird. Bei diesem Profil ist am Nutgrund noch ein Zapfen 66 eingefügt, an dem nach dem Zusammenfügen die Feder 18a mit einer Druckfläche 36 anliegt. Weiter bildet die Feder 18a nach dem Zusammenfügen eine Anlagefläche 38 mit der langen Lippe 12 der nutförmigen Stirnseite 2, so dass die konusförmige Klemmung zum Sichern gegen eine horizontale Verschiebung gewährleistet ist. Die Feder 18 b rastet zwischen dem Zapfen 66 und der kurzen Lippe 14 ein, wobei nach dem Zusammenfügen der Fußbodendielen eine zweite Anlagefläche zwischen einem Riegel 58 an dem Zapfen 66 zugewandten Seite der kurzen Lippe 14 und einer Rastnase 56 an der Feder 18b gebildet ist.
  • Fig. 4 a-c zeigt eine Ausführungsform des erfindungsgemäßen Profils, die der ersten Ausführungsform ähnelt. Allerdings ist der Freiraum 20b nicht rechtwinklig zur Oberseite 6 des Fußbodenelements 4 angeordnet, sondern schräg, etwa in einem Winkel von 25°. Die elastische Feder 18b ist entsprechend ausgehend von einer breiten Basis nahe der Oberseite 6 des Fußbodenelements schmal zulaufend bis zum freien Ende 26b hin elastisch ausgebildet.
  • Fig. 4b zeigt deutlich das Auslenken der elastischen Feder 18b, wenn beim Zusammenfügen der Fußbodenelemente 2,4 die Verriegelungselemente aneinander vorbeigleiten, um - wie in Fig. 4c gezeigt - schließlich entlang der schrägen Anlagefläche 60 in Eingriff zu kommen.
It is noted that the above-described separation of the functions considered essential to the invention (securing against a longitudinal displacement of the floorboards and securing against a vertical displacement of the floorboards) according to the principle of cone clamping on the one hand and latching by means of a spring on the other completely different arrangement of the profile can be performed. For example, it is conceivable that the latching takes place in the region of the short lip of the groove or that a latching takes place between the short lip of the groove and the spring-shaped end face of the floorboard:
  • Fig. 3 ac shows a profile in which the locking has been further improved so that now the gap between the floorboards during assembly is not opened. In this profile, a pin 66 is still inserted at the bottom of the groove on which the spring 18a rests with a pressure surface 36 after assembly. Next, the spring 18a forms a contact surface 38 after assembly with the long lip 12 of the groove-shaped end face 2, so that the cone-shaped clamping is ensured to secure against horizontal displacement. The spring 18 b engages between the pin 66 and the short lip 14, wherein after joining the floorboards a second abutment surface between a latch 58 on the pin 66 facing side of the short lip 14 and a latching nose 56 is formed on the spring 18 b.
  • Fig. 4 ac shows an embodiment of the profile according to the invention, which is similar to the first embodiment. However, the free space 20b is not arranged at right angles to the upper side 6 of the floor element 4, but obliquely, approximately at an angle of 25 °. The elastic spring 18b is correspondingly formed from a broad base near the upper side 6 of the floor element narrowly tapered to the free end 26b towards elastic.
  • Fig. 4b clearly shows the deflection of the elastic spring 18b when, when joining the floor elements 2.4, the locking elements slide past each other to - as in Fig. 4c shown - finally come along the inclined contact surface 60 into engagement.

Die in Fig. 4 a-c dargestellte Ausführungsform zeigt deutlich, dass schon ein schmaler Freiraum 20b genügt, um ein elastisches Auslenken der Feder 18b zu ermöglichen.In the Fig. 4 ac illustrated embodiment clearly shows that even a narrow clearance 20b is sufficient to allow an elastic deflection of the spring 18b.

Die Feder 18a ist starr ausgebildet. Anders als die elastische Feder 18b weist die starre Feder 18a ein im Verhältnis zur Breite der Basis nahe der Oberseite 6 des Fußbodenelements 4 ein verbreitertes freies Ende 26a auf. Dies begünstigt die Wirkung des Konus, der durch die Zuordnung von Druckfläche 36 und Anlagefläche 38 gebildet wird, und der ein horizontales Auseinanderschieben der Fußbodenelemente 2,4 bezogen auf die Ebene der Oberseite 6 verhindert.The spring 18a is rigid. Unlike the resilient spring 18b, the rigid spring 18a has a widened free end 26a relative to the width of the base near the top 6 of the floor element 4. This favors the effect of the cone, which is formed by the assignment of pressure surface 36 and contact surface 38, and prevents horizontal sliding apart of the floor elements 2.4 relative to the plane of the top 6.

Fig. 5 a-c zeigt ein das Verständnis der Erfindung erleichterndes, jedoch nicht unter die Erfindung fallendes Profil, bei dem die korrespondierenden Verriegelungselemente nicht - wie üblich - an der freien Fläche 24 der Feder oder der langen Lippe 12 der Nut angeordnet sind. Statt dessen ist an der Feder 18 ein Vorsprung an der dem Freiraum 20 zugewandten Fläche 28 ausgebildet. Eine korrespondierende Ausnehmung ist an der kurzen, freien Lippe 14 der Nut, oberhalb der Druckfläche 36 ausgeformt. Vorsprung und Ausnehmung kommen nach dem Zusammenfügen (vgl. Fig. 5c) entlang der - bezogen auf die Oberseite des Fußbodenelements 4- schrägen Anlagefläche 60 zum Eingriff. Fig. 5 ac shows a the understanding of the invention facilitating, but not falling under the invention profile in which the corresponding locking elements are not - as usual - on the free surface 24 of the spring or the long lip 12 of the groove are arranged. Instead, a projection on the surface 20 facing the free space 20 is formed on the spring 18. A corresponding recess is formed on the short, free lip 14 of the groove, above the pressure surface 36. Projection and recess come after joining (see. Fig. 5c ) along the - with respect to the top of the floor element 4 oblique contact surface 60 for engagement.

Diese Ausführungsform bietet den Vorteil, dass eine nahezu fugenfreie Anlage der Stirnseiten von zwei im Eingriff befindlichen Fußbodenelementen gewährleistet wird.This embodiment offers the advantage that a virtually joint-free installation of the end faces of two engaging floor elements is ensured.

Falls es das Material insbesondere der Mittellage der Fußbodendiele nicht erlaubt, die erfindungsgemäßen Profile auszuarbeiten, bietet sich folgendes Verfahren an:If the material, in particular the middle layer of the floorboard, does not allow to work out the profiles according to the invention, the following method is available:

Beim Legen der Mittellage ist die Länge der herzustellenden Dielen bekannt. Jeweils im Bereich der Stirnseiten wird statt des nicht zum Herstellen der Profile geeigneten Materials ein hochwertiges Material eingelegt, dass ein Herausarbeiten des Profils ermöglicht. Dieses Material kann Holz, Kunststoff oder Metall oder ein anderes zum Herstellen des Profils und zur Aufnahme der entstehenden Kräfte geeignetes Material sein. Damit ist ein erfindungsgemäßes Profilieren der Stirnseiten der Fußbodendielen möglich.When laying the middle layer, the length of the boards to be produced is known. In each case in the region of the end faces, a high-quality material is inserted instead of the material not suitable for producing the profiles, which makes it possible to work out the profile. This material may be wood, plastic or metal or other suitable material for producing the profile and for absorbing the forces arising. For an inventive profiling of the front sides of the floorboards is possible.

Alternativ kann nach dem Herstellen der an den Stirnseiten noch unbearbeiteten Fußbodendielen eine Ausnehmung geschaffen werden, die die das vorbeschriebene, zur Herstellung der Profile geeignete Material eingefügt und mit der Fußbodendiele verbunden wird. Auch auf diese Weise wird eine profilierbare Stirnseite der Fußbodendiele hergestellt.Alternatively, after the manufacture of the floorboards still unprocessed floorboards a recess can be created, which is inserted the above-described, suitable for the production of the profiles material and connected to the floorboard. Also in this way a profilierbare front side of the floorboard is made.

Schließlich kann bei dem zuletzt beschriebenen Verfahren auch ein bereits profiliertes Material eingesetzt werden.Finally, an already profiled material can be used in the method last described.

Die erfindungsgemäß vorgeschlagene Verbindung weist eine Anlagefläche zwischen der nutförmigen Stirnseite und der federförmigen Stirnseite der Fußbodendiele im Bereich der Nutzschicht und einen Druckpunkt auf, der im Bereich zwischen der Basis der Nut und der kurzen Lippe der Nut, die an der Stirnseite der Fußbodendiele angeordnet ist einerseits und der Feder andererseits liegt. Durch den Druckpunkt, der zwischen Feder und kurzer Lippe der Nut gebildet wird, wenn zwei korrespondierende Stirnseiten der Fußbodendielen miteinander in Eingriff gebracht werden, wird gewährleistet, dass die Anlagefläche zwischen der nutförmigen und der federförmigen Stirnseite der beiden Fußbodendielen unter Drucklast steht, so dass eine Fugenbildung oder ein Lösen der beiden Fußbodendielen ausgeschlossen ist. Die Feder greift nach dem Zusammenfügen als Konus klemmend in die Nut ein und bewirkt so eine Fixierung der Fußbodendielen zueinander. Diese Art der Konusklemmung ist einfach und wirksam.The compound proposed by the invention has a contact surface between the groove-shaped end face and the spring-shaped end face of the floorboard in the area of the wear layer and a pressure point which is arranged in the region between the base of the groove and the short lip of the groove which is arranged on the end face of the floorboard and the spring is on the other hand. By the pressure point, which is formed between the spring and short lip of the groove, when two corresponding end faces of the floorboards are engaged with each other, it is ensured that the contact surface between the groove-shaped and the spring-shaped end side of the two floorboards is under compressive load, so that a Joint formation or detachment of the two floorboards is excluded. The spring engages after assembly as a cone clamped in the groove and thus causes a fixation of the floorboards to each other. This type of cone clamping is simple and effective.

Nach einer bevorzugten Ausführungsform der Erfindung ist die Stirnfläche der Feder, die der nutförmigen Stirnseite zugewandt ist, mit einer Stufe versehen. Am weitesten kragt die Anlagefläche aus, die an der langen Lippe der Nut im Bereich der Nutzfläche angeordnet ist. Unterhalb der Anlagefläche, zum freien Ende der Feder hin, ist die Stirnfläche der Feder schmaler ausgebildet, so dass eine zurückspringende Stufe gebildet ist. Die der Feder zugewandte Fläche der langen Lippe der Nut ist korrespondierend geformt. Unterhalb der Anlagefläche ist ein Vorsprung ausgebildet, deren Abmessungen etwa den Abmessungen der zurückspringenden Stufe der Feder entsprechen.According to a preferred embodiment of the invention, the end face of the spring, which faces the groove-shaped end face, provided with a step. The furthest protrudes from the contact surface, which is arranged on the long lip of the groove in the area of the effective area. Below the contact surface, towards the free end of the spring, the end face of the spring is narrower, so that a recessed step is formed. The spring-facing surface of the long lip of the groove is formed correspondingly. Below the contact surface, a projection is formed whose dimensions correspond approximately to the dimensions of the recessed step of the spring.

Bei der vorstehend beschriebenen Ausführungsform ist die Anlagefläche besonders breit ausgebildet, so dass die Vorgabe, einen stirnseitig spaltfreien Anschluss der Fußbodendielen aneinander zu gewährleisten, sicher erfüllt ist.In the embodiment described above, the contact surface is designed to be particularly wide, so that the requirement to ensure a frontally gap-free connection of the floorboards to each other, is certainly met.

Die vorstehende Beschreibung bezieht sich vorwiegend auf die Gestaltung der Stirnseiten von Fußbodendielen. Bei Bedarf können aber auch die Längsseiten von Fußbodendielen entsprechend gestaltet sein.The above description relates primarily to the design of the end faces of floorboards. If necessary, however, the longitudinal sides of floorboards can be designed accordingly.

Claims (6)

  1. Profile for the vertical connecting of at least two floor elements which are provided respectively with one upper side (6), one lower side (8), two longitudinal sides and two front sides (2, 4) each, whereby the profile has:
    - a groove (10) which is provided on a first front side (2) of a floor element;
    - a tongue (18) which is provided on a second front side (4) of a floor element and
    - corresponding locking elements (56, 58) placed on the groove (10) and tongue (18) which fix at least two floor elements to be connected in their vertical correspondence;
    whereby
    - the locking elements (56, 58) have obliquely placed bearing surfaces (60) and
    - either the tongue (18) of the profile or the groove (10) and the tongue (18) are elastically deformable, whereby
    - the tongue (18) is configured in two parts, whereby a first part of a corresponding locking element (56) is placed on a first resilient tongue part (18b) while the second tongue part (18a) is configured rigid, whereby
    - a free space (20b) worked out from the lower side (8) of the floor element is formed out between the first and the second tongue part (18a, 18b),
    characterized in that
    - the free space (20b) is oblique with respect to the upper side (6) of the floor element.
  2. Profile according to claim 1, characterized in that the groove (10) and the tongue (18) are configured positively fitting, in particular as a cone.
  3. Profile according to claim 1, characterized in that the tongue (18) is configured, in particular is connected to a base body of the profile or to the floor element, in such a manner that the tongue (18) is deflected when assembling the profile.
  4. Profile according to claim 1, characterized in that the tongue (18) has a first part of the corresponding locking element (56) which can be engaged with a second part of the corresponding locking element, whereby the second part of the corresponding locking element is provided on a short free lip of the groove (10) and is turned to the tongue (18).
  5. Profile according to claim 1, characterized in that it is made of a synthetic material, of massive wood or of plywood.
  6. Profile according to claim 1, characterized in that it is made as a separate prefabricated component or that it is made as an integral profile worked out from the floor element itself.
EP03008103A 2002-04-05 2003-04-07 Floor planks Expired - Lifetime EP1350904B2 (en)

Applications Claiming Priority (2)

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DE10215139 2002-04-05
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CN101208488B (en) * 2005-06-16 2010-05-19 阿卡曾塔板材型材有限公司 Floor panel provided with a core made of a derived timber product, a decorative layer and locking sections
CN101415893B (en) * 2006-04-14 2010-05-12 深圳市燕加隆实业发展有限公司 Floor block, floor system and method for laying the floor system
DE102007041024B4 (en) 2007-03-26 2023-03-23 Välinge Innovation AB Panel, in particular floor panel
US9290948B2 (en) 2009-01-16 2016-03-22 Flooring Industries Limited, Sarl Floor panel
US9206611B2 (en) 2010-01-14 2015-12-08 Spanolux N.V.—Div. Balterio Floor panel assembly and floor panel for use therein
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
US9003735B2 (en) 2010-04-15 2015-04-14 Spanolux N.V.—Div. Balterio Floor panel assembly
US9476208B2 (en) 2010-04-15 2016-10-25 Spanolux N.V.—Div. Balterio Floor panel assembly
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DE50311595D1 (en) 2009-07-30
ATE434095T1 (en) 2009-07-15
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EP1350904A2 (en) 2003-10-08
ES2327502T5 (en) 2013-03-14
ES2327502T3 (en) 2009-10-30
EP1350904A3 (en) 2003-12-17

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