EP1319773B1 - Panel shaped or strip shaped building members - Google Patents

Panel shaped or strip shaped building members Download PDF

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Publication number
EP1319773B1
EP1319773B1 EP03006315A EP03006315A EP1319773B1 EP 1319773 B1 EP1319773 B1 EP 1319773B1 EP 03006315 A EP03006315 A EP 03006315A EP 03006315 A EP03006315 A EP 03006315A EP 1319773 B1 EP1319773 B1 EP 1319773B1
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EP
European Patent Office
Prior art keywords
groove
building components
tongue
projection
angle
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
EP03006315A
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German (de)
French (fr)
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EP1319773A2 (en
EP1319773A3 (en
Inventor
Franz Knauseder
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Kaindl Flooring GmbH
Original Assignee
M Kaindl OG
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Publication date
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Application filed by M Kaindl OG filed Critical M Kaindl OG
Priority to SI9830802T priority Critical patent/SI1319773T1/en
Publication of EP1319773A2 publication Critical patent/EP1319773A2/en
Publication of EP1319773A3 publication Critical patent/EP1319773A3/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/26—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto by means of snap action of elastically deformable elements held against the underside of the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/28—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like having grooves engaging with horizontal flanges of the supporting construction or accessory means connected thereto
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/10—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of wood or with an outer layer of wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips

Definitions

  • the invention relates to plate or strip-shaped components.
  • Under panel-shaped components for example, panel panels, Floor panels, cladding panels, trim strips or the like., Especially for Wall, ceiling or floor covering of buildings of all kinds understood.
  • Such Components can be single-layer or multi-layered boards or strips of wood-based materials or on Wood base, optionally coated on one or both outer surfaces are.
  • the coating can be made with plastic sheets, wood or plastic veneers etc. respectively.
  • the invention is directed to floor panels made of wood material exist and have relatively hard surfaces of plastic laminates.
  • the invention particularly relates to the specific nature of the compound of such from DE 297 10 175 U1 known components to these in the connected state with the aid of Locking elements to hold each other optimally in position, however, the components at Need to be able to solve each other.
  • the groove is machined out of the component directly, is in particular milled out or the spring is formed integrally from the component, whereby the manufacture of such components is facilitated, in particular in the case of components which have the same length legs, as is the case with the components according to the invention is.
  • the two legs of the groove are essentially the same length except for minor Length differences caused by the fact that it can be provided that the components in their near-surface areas close to each other and in their near-ground Areas are arranged to form a small gap at a distance from each other.
  • the spring is further noted that this is solid or solid and in a piece connected to the component and worked out of this.
  • the width of the groove which increases from the inside to the outside or the thickness of the spring, which decreases in the direction of their free end, are coordinated, so at interconnected components, the groove and the spring surfaces fit snugly against each other. Thus, the components are held in a defined mutual position.
  • the locking elements provided for the positionally fixed connection of the components which are formed by mutually adapted projections and depressions become the groove and provided on the spring.
  • These locking elements can are provided in sections on the groove and the spring; better grip and one However, simplified production is achieved when these locking elements over extend the entire length of the intended grooves and springs.
  • An embodiment of the arrangement according to the invention is particularly advantageous at the corresponding projections on both sides of the spring and on both groove surfaces corresponding depressions are formed, since it achieves a double locking effect can be and thus a firm cohesion of the components is achieved.
  • the width of the components can be chosen arbitrarily. It can components each same width or components of different widths are connected to each other e.g. to achieve a certain floor design.
  • a preferred embodiment of the invention is characterized in claim 4.
  • This cross-sectional shape of a spring with at least one projection thereon and at least one appropriately adapted recess in the groove allows a good Slipping the surfaces of the spring or of the projection carried by the spring on the Grooved surfaces or the subsequent directly to the groove opening groove surfaces during insertion of the Spring in the groove.
  • the features of claim 8 define exactly the position of the spring in the groove because the projection comes to lie exactly in the depression and thus the projection and the Well or the spring surfaces and the groove surfaces exactly and rich and flat together issue.
  • An embodiment of the cross section of the triangular projection or of the recess received in the groove projection of the spring according to claim 9 facilitates the insertion of the spring into the groove or provides the spring firm hold in the groove and still allows a gentle material extraction of the spring from the groove.
  • the features of claim 11 are for the insertion of the spring in the groove advantageous to avoid tilting. Furthermore, the features carry this Claim in that the surfaces of the components to be joined by the Engaging the projections of the spring in the recesses of the groove on the end faces closely abut or approach each other and the formation of columns is avoided.
  • FIG. 1 and 2 show schematically in section the connection of components and Fig. 3 shows schematically with each other connected components.
  • Fig. 1 is not an embodiment of the invention, but an example which facilitates the understanding of the invention.
  • Fig. 1 shows two components to be joined together 1,2, wherein in the one component 1, a groove 5 is formed, in which an outgoing from the other component 2 spring. 6 is insertable.
  • the components 1, 2 lie with their end faces in the near-surface area to each other and form a gap 16 in the bottom area.
  • the particular wooden components 1.2 can with Coatings 23,24 be provided to corresponding surface values or a to get the appropriate appearance.
  • locking elements 7,8 On the spring 6 and the spring surfaces 10 and in the groove 5 and in the groove surfaces or side surfaces 9 of the groove 5 are mutually adapted locking elements 7,8 intended. These locking elements are protrusions 7 and recesses. 8 formed, which cooperate with each other or can be latched. The cross-sectional shapes of Recesses 8 and associated projections 7 correspond to each other, so that the Locking elements fully interlock.
  • the Verriegelungselmente 7,8 engaged with each other.
  • the locking elements 7,8 are in particular over the entire Length of the longitudinal and / or narrow sides of the components 1,2 formed.
  • a projection 7 is formed on a spring surface 10, of a Recess 8 is received in the voltage applied to this spring surface 10 groove surface 9.
  • the two legs 3, 4 of the groove 5 are elastic pushed apart; also when pulling out the spring 6 from the groove 5 is a elastic spreading of the groove legs 3,4.
  • a projection 7 is formed in the components shown in Fig. 1 is only one Side of the spring 6, a projection 7 is formed.
  • the projection 7 is formed such that the spring surface 10 from the front free end portion of the spring 6 extends flat to a Abknickung, which lies at the thickest point of the spring and in a rear short surface 17th leads, which in turn merges into a leading to the component 2 surface 31.
  • the Recess 8 in the groove surface 9 is only a portion 30 of the spring surface 10th added; However, this portion of the spring surface is full in the depression of the Surface 18 'on; also the rear shorter surface 17 is fed to the slot opening located surface 17 'of the recess 8 at.
  • the groove surface 10 or its partial region 30 is at a first angle ⁇ to the surface 13 of the two components 1.2 inclined; the rear shorter surface portion 17 is under a Second angle ⁇ inclined to the surface 13 of the two components 1.2.
  • the outside of the recess. 8 of Nutschenkels 3 located or Nutgrundnahe area of the groove surface 9 is under a third Angle ⁇ inclined to the surface 13 of the two components. Inclined at the same angle ⁇ is the surface 10 of the spring 6, which carries no projection and on the facing Grooved surface is 9 full.
  • the spring surface 10 corresponds, in their Front region extends at a distance from the groove surface 9.
  • the locking element-free Spring surface 10 rests against groove inner surface 9 over most of its length and both Areas approach from the groove base 11 seen the surface or effective area 13 of the two components 1.2 at the third angle ⁇ .
  • the cross section of the projection 7 and the recess 8 of FIG. 2 is triangular, wherein the closer to the groove opening triangle sides 17, 17 'shorter and are more inclined than the closer to the groove bottom 11 located triangle sides 18, 18 '.
  • the longer side of the triangle 18 or the latter of this goes Side formed surface of the projection 7 to form a kink 19 in the front area of the spring surface 10 via; the Nutgrinnahe area of the groove surface 9 and this front portion of the spring surface 10 are as well as the projection 7 and the Well 8 rich to each other; In this way, a very accurate connection of the Components 1.2 are achieved while ensuring that the end faces of the Components 1.2 under pressure abut each other or be approximated, so that a Gap between the components 1,2 at the effective area 13 or a removal of the components 1,2 avoided in the course of their use.
  • the nutgrundnahe area of the groove surfaces 9 and the free end of the spring. 6 near region of the spring surfaces 10 is inclined at the same inclination angle ⁇ .
  • the first angle ⁇ , the the surfaces 18 of the projection or the surfaces 18 'of the recess with the surface 13th of the components 1, 2 is larger than the third angle ⁇ . Under this first angle ⁇ is also the Nutö réellesnahe area of the inner edge surface 25 'to the surface 13 of the two components 1.2 inclined.
  • the second angle ⁇ below which the shorter triangle sides 17, 17 'are inclined, is greater than the first angle ⁇ and closes with the surface 13 of the components 1,2 advantageously one Angle between 25 ° to 65 °.
  • a plurality of projections on a groove or spring surface and / or depressions are formed.
  • each of the individual components 1,2 at its two opposite end faces or at all its four faces with grooves 5 or 6 is provided with springs.
  • the components are 1.2 thus, based on their schematically represented center plane M constructed symmetrically.
  • relatively narrow or strip-shaped component 2 has two Springs 6 each with a dovetail profile; the shown in Fig. 3 relatively wide Components 1 have at their opposite end faces, in particular at all four End faces dovetail grooves 5.
  • the components 1 could also be square and result in Combination with the strip-shaped components 2 a visually appealing pattern.
  • the strip-shaped components 2 are easy to handle and cut; the components 1 may have trained on their grooves on the end faces grooves 5, so that an all-round connection of the components 1 with the strip-shaped components 2 executed can be.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Connection Of Plates (AREA)
  • Finishing Walls (AREA)
  • Floor Finish (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Casings For Electric Apparatus (AREA)

Description

Die Erfindung betrifft platten- oder leistenförmige Bauteile.The invention relates to plate or strip-shaped components.

Unter plattenförmigen Bauteilen werden beispielsweise Paneelplatten, Fußbodenplatten, Verkleidungsplatten, Verkleidungsleisten od.dgl., insbesondere für die Wand-, Decken- oder Fußbodenverkleidung von Bauwerken aller Art verstanden. Derartige Bauteile können ein- oder mehrschichtige Platten bzw. Leisten aus Holzwerkstoffen oder auf Holzgrundlage sein, die gegebenenfalls auf einer oder beiden Außenflächen beschichtet sind. Die Beschichtung kann mit Kunststoffplatten, Furnieren aus Holz oder Kunststoff usw. erfolgen. Insbesondere richtet sich die Erfindung auf Bodenplatten, die aus Holzwerkstoff bestehen und relativ harte Oberflächen aus Kunststofflaminaten besitzen.Under panel-shaped components, for example, panel panels, Floor panels, cladding panels, trim strips or the like., Especially for Wall, ceiling or floor covering of buildings of all kinds understood. such Components can be single-layer or multi-layered boards or strips of wood-based materials or on Wood base, optionally coated on one or both outer surfaces are. The coating can be made with plastic sheets, wood or plastic veneers etc. respectively. In particular, the invention is directed to floor panels made of wood material exist and have relatively hard surfaces of plastic laminates.

Aus dem deutschen Gebrauchsmuster DE 297 10 175 U1 sind platten- oder leistenförmige Bauteile aus Holz, Holzwerkstoff oder auf Holzgrundlage bekannt,

  • welche Bauteile nach dem Nut-Feder-Prinzip miteinander verbindbar sind,
  • wobei von zumindest einer der Stirnflächen des einen Bauteils zwei zwischen sich eine Nut ausbildende Schenkel abgehen und in diese Nut eine von einer der Stirnflächen des jeweils anderen Bauteils abgehende Feder einführbar ist,
  • wobei auf einer Seite der Nut und auf einer Seite der Feder aneinander angepasste Verriegelungselemente in Form einer Vertiefung oder in Form eines Vorsprunges ausgebildet sind, um verbundene Bauteile in zusammengefügter Lage zu halten, und
  • wobei zur festen aber wieder lösbaren Verbindung der Bauteile
  • die Nut direkt im Bauteil selbst ausgebildet ist,
  • die Feder mit dem Bauteil einstückig ausgebildet ist,
  • die Breite der Nut von innen nach außen zu zunimmt,
  • die Dicke der Feder in Richtung auf ihr freies Ende hin abnimmt,
  • der im Querschnitt dreieckförmige Vorsprung auf der Feder eine mit der Oberfläche der Bauteile einen einen ersten Winkel einschließende längere vordere Fläche und eine an diese Fläche unter Ausbildung einer Dreieckkante anschließende mit der Oberfläche der Bauteile einen den ersten Winkel übersteigenden zweiten Winkel einschließende, kürzere hintere Fläche aufweist,
  • die Vertiefung in der Nut eine nutgrundnahe Fläche und eine kürzere, nutgrundfeme und in Verriegelungsstellung an die kürzere hintere Fläche des Vorsprunges anliegende Anlagefläche aufweist,
  • der längere der beiden Nutschenkel relativ zum jeweils anderen Nutschenkel elastisch nach außen hin abbiegbar ist, so dass die Feder von den Nutschenkein unter Klemmwirkung in Raststellung gehalten ist und unter elastischer Abbiegung der Nutschenkel in die Nut eingeführt und aus dieser herausgezogen werden kann
  • und die im Querschnitt dreieckförmige Vertiefung in der Nut eine in Verriegelungsstellung an die längere vordere Fläche des Vorsprungs anliegende, nutgrundnahe Anlagefläche aufweist. Dieses deutsche Gebrauchsmuster DE-U-29710175 stellt einen nicht vorveröffentlichten Stand der Technik dar und beschreibt Bauteile die auf einer ihrer Kantenflächen eine Nut und auf einer anderen Kantenfläche eine in diese Nut einführbare Feder besitzen. In der Fläche der Nut ist eine Vertiefung ausgebildet; auf der Fläche der Feder ist ein Vorsprung ausgebildet. Beim Einführen der Feder in die Nut können die Vorsprünge mit den Nuten verrasten. Jede Vertiefung besitzt zwei Flächen, die korrespondierend zu entsprechenden Flächen der Vorsprünge angeordnet sind. Es stehen die nutgrundferne Fläche der Nut und die federendenfeme Fläche des Vorsprungs in Anlage; die jeweils anderen, einander gegenüberliegenden Flächen bilden zwischen sich einen Spalt aus; ein sattes Aneinanderliegen ist nicht vorgesehen. Die Schenkel der Nut sind unterschiedlich lang, wobei der kürzere Schenkel ohne Verriegelungsmittel ausgebildet ist und den vorderen Bereich der Feder aufnimmt.
From the German utility model DE 297 10 175 U1 plate or strip-shaped components made of wood, wood-based or wood-based are known
  • which components can be connected to each other according to the tongue and groove principle,
  • wherein from at least one of the end faces of the one component departing between a groove forming a leg and in this groove an outgoing from one of the end faces of the other component spring is insertable,
  • wherein on one side of the groove and on one side of the spring matched locking elements in the form of a recess or in the form of a projection are formed to hold connected components in an assembled position, and
  • wherein the fixed but releasable connection of the components
  • the groove is formed directly in the component itself,
  • the spring is integrally formed with the component,
  • the width of the groove increases from the inside to the outside,
  • the thickness of the spring decreases towards its free end,
  • the cross-sectionally triangular projection on the spring has a longer front surface enclosing a first angle with the surface of the components and a shorter rear surface enclosing this surface forming a triangular edge with the surface of the components including a second angle exceeding the first angle .
  • the indentation in the groove has a surface close to the groove surface and a contact surface which is shorter, nutgrundfeme and in the locking position to the shorter rear surface of the projection,
  • the longer of the two groove legs is bendable elastically outwards relative to the respective other groove leg, so that the spring is held by the Nutschenkein under clamping action in the locking position and can be inserted under elastic bending of the groove legs in the groove and pulled out of this
  • and having in cross-section triangular recess in the groove in a locking position against the longer front surface of the projection, nutgrundnahe bearing surface. This German Utility Model DE-U-29710175 represents a prior art not prior published and describes components which have on one of its edge surfaces a groove and on another edge surface an insertable into this groove spring. In the surface of the groove a recess is formed; on the surface of the spring, a projection is formed. When inserting the spring into the groove, the projections can engage with the grooves. Each recess has two surfaces which are arranged corresponding to corresponding surfaces of the projections. There are the nutgrundferne surface of the groove and the spring end face of the projection in abutment; the other, opposite surfaces form a gap between them; a rich juxtaposition is not provided. The legs of the groove have different lengths, wherein the shorter leg is formed without locking means and receives the front portion of the spring.

Aus dem Patent Abstracts of Japan, Band 015, Nr. 411 (M-1170), 21.10.1991 & JP-A 03169967 (23.7.1991), sind platten- oder leistenförmige Bauteile aus Holz bekannt,

  • welche Bauteile nach dem Nut-Feder-Prinzip miteinander verbindbar sind,
  • wobei von zumindest einer der Stirnflächen des einen Bauteils zwei zwischen sich eine Nut ausbildende Schenkel abgehen und in diese Nut eine von einer der Stirnflächen des jeweils anderen Bauteils abgehende Feder einführbar ist,
  • wobei auf einer Seite der Nut und auf einer Seite der Feder aneinander angepasste Verriegelungselemente in Form einer Vertiefung oder in Form eines Vorsprunges ausgebildet sind, um verbundene Bauteile in zusammengefügter Lage zu halten, und
  • wobei zur festen Verbindung der Bauteile
  • die Nut direkt im Bauteil selbst ausgebildet ist,
  • die Feder mit dem Bauteil einstückig ausgebildet ist,
  • die Breite der Nut von innen nach außen zu zunimmt,
  • die Dicke der ein Verriegelungselement tragende Feder im wesentlichen konstant ist,
  • der im Querschnitt dreieckige Vorsprung auf der Feder eine mit der Oberfläche der Bauteile einen einen ersten Winkel einschließende längere vordere Fläche und eine an diese Fläche unter Ausbildung einer Dreieckkante anschließende mit der Oberfläche der Bauteile einen den ersten Winkel übersteigenden zweiten Winkel einschließende, kürzere hintere Fläche aufweist, wobei dieser zweite Winkel ein rechter Winkel ist bzw. diese kürzere hintere Fläche senkrecht zur Oberfläche der Bauteile steht,
  • einer der beiden Nutschenkel relativ zum jeweils anderen Nutschenkel elastisch nach außen hin abbiegbar ist, so dass die Feder von den Nutschenkein unter Klemmwirkung in Raststellung gehalten ist und unter elastischer Abbiegung der Nutschenkel in die Nut eingeführt werden kann und
  • die beiden Schenkel der Nut gleich lang sind. Die Feder weist auf einer Seitenfläche einen spitzwinkeligen Vorsprung auf, der in eine Vertiefung in der Seitenfläche der Nut einführbar ist und in der tiefsten Stelle der Vertiefung zu liegen kommt. Die beiden den Vorsprung begrenzenden Flächen liegen nicht an den die Vertiefung begrenzenden Flächen an. Die einander gegenüberliegenden Flächen des Vorsprunges und der Vertiefung weisen jeweils unterschiedliche Neigungen auf bzw. bilden zwischen sich Freiräume aus.
From the Patent Abstracts of Japan, Volume 015, No. 411 (M-1170), 21.10.1991 & JP-A 03169967 (23.7.1991), plate or strip-shaped components made of wood are known,
  • which components can be connected to each other according to the tongue and groove principle,
  • wherein from at least one of the end faces of the one component departing between a groove forming a leg and in this groove an outgoing from one of the end faces of the other component spring is insertable,
  • wherein on one side of the groove and on one side of the spring matched locking elements in the form of a recess or in the form of a projection are formed to hold connected components in an assembled position, and
  • wherein for the firm connection of the components
  • the groove is formed directly in the component itself,
  • the spring is integrally formed with the component,
  • the width of the groove increases from the inside to the outside,
  • the thickness of the spring carrying a locking element is substantially constant,
  • the cross-sectionally triangular projection on the spring has a longer front surface enclosing a first angle with the surface of the components and a shorter rear surface enclosing this surface forming a triangular edge with the surface of the components including a second angle exceeding the first angle wherein this second angle is a right angle or this shorter rear surface is perpendicular to the surface of the components,
  • one of the two groove legs is bendable elastically outwardly relative to the respective other groove leg, so that the spring is held by the Nutschenkein under clamping action in the locking position and can be inserted under elastic bending of the groove legs in the groove and
  • the two legs of the groove are the same length. The spring has on a side surface on an acute-angled projection which is insertable into a recess in the side surface of the groove and comes to lie in the lowest point of the recess. The two surfaces delimiting the projection are not adjacent to the surfaces delimiting the recess. The opposing surfaces of the projection and the recess each have different inclinations or form free spaces between them.

Aus der WO 94/01628 sind platten- oder leistenförmige Bauteile aus Holz bekannt.

  • welche Bauteile nach dem Nut-Feder-Prinzip miteinander verbindbar sind,
  • wobei von zumindest einer der Stirnflächen des einen Bauteils zwei zwischen sich eine Nut ausbildende Schenkel abgehen und in diese Nut eine von einer der Stirnflächen des jeweils anderen Bauteils abgehende Feder einführbar ist,
  • wobei auf zumindest einer Seite der Nut und auf zumindest einer Seite der Feder aneinander angepasste Verriegelungselemente in Form einer Vertiefung oder in Form eines Vorsprunges ausgebildet sind, um verbundene Bauteile in zusammengefügter Lage zu halten,
  • wobei zur festen Verbindung der Bauteile
  • die Breite der Nut von innen nach außen zu zunimmt,
  • die Dicke der Feder in Richtung auf ihr freies Ende hin abnimmt,
  • der im Querschnitt dreieckförmige Vorsprung auf der Feder eine mit der Oberfläche der Bauteile einen einen ersten Winkel einschließende längere vordere Fläche und eine an diese Fläche unter Ausbildung einer Dreieckkante anschließende, kürzere hintere Fläche aufweist, welche mit der Oberfläche der Bauteile einen rechten Winkel einschließt,
  • und die beiden Schenkel der Nut gleich lang sind. Zum Verrasten von Nut und Feder weist die Feder einen Spalt auf, so dass die beiden durch den Spalt getrennten Federteile beim Einführen in die Nut zusammengedrückt werden können, um so die Verriegelungselemente auf der Feder mit denen in der Nut verrasten zu können. Die Verriegelungselemente sind nicht einstückig mit den Bauteilen ausgebildet, sondem sind auf mit den Bauteilen verbundenen Einsatzstücken aus Kunststoff ausgebildet. Es erfolgt ein Verrasten der Verriegelungselemente, jedoch kein sattes Anliegen der Flächen der Verriegelungselemente der Federn an den Flächen der Verriegelungselementen der Nut.
From WO 94/01628 plate or strip-shaped components made of wood are known.
  • which components can be connected to each other according to the tongue and groove principle,
  • wherein from at least one of the end faces of the one component departing between a groove forming a leg and in this groove an outgoing from one of the end faces of the other component spring is insertable,
  • wherein on at least one side of the groove and on at least one side of the spring matched locking elements in the form of a recess or in the form of a projection are formed in order to hold connected components in an assembled position,
  • wherein for the firm connection of the components
  • the width of the groove increases from the inside to the outside,
  • the thickness of the spring decreases towards its free end,
  • the cross-sectionally triangular projection on the tongue has a longer front surface enclosing a first angle with the surface of the components and a shorter rear surface adjoining this surface forming a triangular edge, which forms a right angle with the surface of the components;
  • and the two legs of the groove are the same length. For locking tongue and groove, the spring has a gap, so that the two separated by the gap spring parts can be compressed during insertion into the groove, so as to lock the locking elements on the spring with those in the groove can. The locking elements are not integrally formed with the components, but are formed on connected to the components inserts made of plastic. There is a locking of the locking elements, but no rich concern of the surfaces of the locking elements of the springs on the surfaces of the locking elements of the groove.

Die Erfindung betrifft insbesondere die spezielle Art der Verbindung derartiger aus der DE 297 10 175 U1 bekannten Bauelemente, zum diese in verbundenem Zustand unter Zuhilfenahme von Verriegelungselementen zueinander optimal in Lage zu halten, jedoch die Bauteile bei Bedarf voneinander lösen zu können. The invention particularly relates to the specific nature of the compound of such from DE 297 10 175 U1 known components to these in the connected state with the aid of Locking elements to hold each other optimally in position, however, the components at Need to be able to solve each other.

Neben diesem speziellen Ziel der Erfindung soll mit den erfindungsgemäßen Merkmalen erreicht werden, dass die Ausbildung der herzustellenden Verriegelungselemente möglicht einfach und wirtschaftlich, ohne Verwendung zusätzlicher Hilfsmittel, und das Aneinanderfügen bzw. Verbinden der Bauteile materialschonend, rasch und zuverlässig vor sich gehen kann.In addition to this specific aim of the invention is intended with the inventive Characteristics are achieved, that the training of the produced Locking elements allows simple and economical, without the use of additional Aids, and joining together or connecting the components gently, quickly and can be done reliably.

Diese Ziele werden mit erfindungsgemäß ausgebildeten platten- oder leistenförmigen Bauteilen aus Holz, Holzwerkstoff oder auf Holzgrundlage erreicht, welche die im Patentanspruch 1 angeführten Merkmale aufweisen.These objects are inventively embodied plate or strip-shaped Components made of wood, wood-based material or on wood base reached, which in the Claim 1 have listed features.

Mit der erfindungsgemäßen Vorgangsweise wird erreicht, dass nur die zumeist weiche Mittelschicht der insbesondere aus Holz bestehenden Bauteile zur Ausbildung von Verriegelungselementen speziell bearbeitet werden muss und nicht die relativ harten Oberflächen aus Laminaten. Dadurch erhöhen sich die Werkzeugstandzeiten und die Gefahr von Ausbrüchen an den beschichteten Oberflächen sinkt. Die Verwendung von zusätzlichen Hilfsmitteln und Materialien, wie z.B. die Bauteile miteinander verbindende Verankerungen od.dgl. ist nicht erforderlich und die Fertigung der Bauteile bzw. deren Verlegung wird wirtschaftlicher und einfacher. Des weiteren sind die miteinander sicher und fest verbundenen, plattenförmigen Bauteile rasch und leicht verbindbar und wieder lösbar und für ein weiteres Zusammenfügen geeignet.With the procedure according to the invention is achieved that only the most soft middle layer of the particular wooden components for the formation of Locking elements must be specially processed and not the relatively hard Surfaces made of laminates. This increases the tool life and the danger from eruptions on the coated surfaces decreases. The use of additional Aids and materials, e.g. The components interconnecting anchors or the like. is not required and the manufacture of the components or their installation is more economical and easier. Furthermore, they are secure and firm with each other connected, plate-shaped components quickly and easily connectable and detachable and for suitable for further assembly.

Bei der Verlegung der Bauteile ändert sich an sich nicht viel gegenüber der Verlegung von bekannten Nut-Feder-Brettern; durch das Zusammenfügen der erfindungsgemäß ausgestalteten Bauteile wird eine feste und stabile, aber wieder lösbare Verbindung geschaffen, die den auftretenden Beanspruchungen durchaus gerecht wird und die Bauteile lagefest miteinander verbindet.When laying the components, not much changes in itself Laying of known tongue and groove boards; by joining the According to the invention designed components is a solid and stable, but again detachable Created a connection that meets the stresses and stresses quite well and the components securely connected together.

Besonders vorteilhaft ist es, dass die Nut aus dem Bauteil direkt herausgearbeitet, insbesondere herausgefräst ist bzw. die Feder einstückig aus dem Bauteil ausgebildet ist, wodurch die Herstellung derartiger Bauteile erleichtert wird, insbesondere bei Bauteilen, die gleich lange Schenkel aufweisen, wie dies bei den erfindungsgemäßen Bauteilen der Fall ist. Die beiden Schenkel der Nut sind im wesentlichen gleich lang bis auf geringfügige Längenunterschiede, die dadurch entstehen, dass vorgesehen sein kann, dass die Bauteile in ihren oberflächennahen Bereichen eng aneinanderliegen und in ihren bodennahen Bereichen unter Ausbildung eines kleinen Spaltes im Abstand voneinander angeordnet sind. Zur Feder ist des weiteren zu bemerken, dass diese voll bzw. massiv ausgebildet ist und in einem Stück mit dem Bauteil verbunden und aus diesem ausgearbeitet ist.It is particularly advantageous that the groove is machined out of the component directly, is in particular milled out or the spring is formed integrally from the component, whereby the manufacture of such components is facilitated, in particular in the case of components which have the same length legs, as is the case with the components according to the invention is. The two legs of the groove are essentially the same length except for minor Length differences caused by the fact that it can be provided that the components in their near-surface areas close to each other and in their near-ground Areas are arranged to form a small gap at a distance from each other. The spring is further noted that this is solid or solid and in a piece connected to the component and worked out of this.

Die Breite der Nut, die von innen nach außen zu zunimmt bzw. die Dicke der Feder, die in Richtung auf ihr freies Ende hin abnimmt, sind aufeinander abgestimmt, sodass bei miteinander verbundenen Bauteilen die Nut- und die Federflächen satt aneinander anliegen. Damit werden die Bauteile in einer definierten gegenseitigen Lage gehalten.The width of the groove, which increases from the inside to the outside or the thickness of the spring, which decreases in the direction of their free end, are coordinated, so at interconnected components, the groove and the spring surfaces fit snugly against each other. Thus, the components are held in a defined mutual position.

Wesentlich zur lösbaren Verbindung trägt bei, dass die bauteilnahe Fläche des auf der Feder ausgebildeten Vorsprungs und die nutöffnungsnahe Fläche der auf der Nut ausgebildeten Vertiefung schräg bzw. geneigt in Richtung Bauteil bzw. Nutöffnung verlaufen, sodass ein Herausziehen der Feder aus der Nut möglich ist. Das Einführen und Herausziehen wird deshalb möglich, weil zumindest einer der Schenkel der Nut elastisch gegenüber dem anderen Schenkel aufweitbar bzw. wegbewegbar ist; insbesondere sind die beiden Schenkel der Nut materialstärkemäßig derart ausgebildet, dass ein elastisches Abbiegen nach außen zu möglich ist, um so der Feder ein Eindringen in die Nut zu ermöglichen, wobei der zumindest eine auf der Feder ausgebildete Vorsprung die Innenkanten an der Nutöffnung überwinden kann, eben, indem dieser an den Innenkanten abgleitet und dabei die Schenkel der Nut auseinanderdrückt.Essential to the detachable connection contributes that the component-near surface of the the spring-formed projection and the Nutöffnungsnahe surface of the groove formed recess inclined or inclined in the direction of component or slot opening, so that a withdrawal of the spring from the groove is possible. Introducing and Pulling out is therefore possible because at least one of the legs of the groove elastic opposite to the other leg expandable or wegbewegbar; in particular, the both legs of the groove material strength moderately formed such that an elastic Turning outwards is possible, so as to allow the spring to penetrate into the groove allow, wherein the at least one formed on the spring projection the Inner edges at the slot opening can overcome, just by this at the inner edges slips off while pushing apart the legs of the groove.

Die zur lagefesten Verbindung der Bauteile vorgesehenen Verriegelungselemente, die von aneinander angepassten Vorsprüngen und Vertiefungen gebildet sind, werden an der Nut und an der Feder vorgesehen. Diese Verriegelungselemente können abschnittsweise auf der Nut und der Feder vorgesehen werden; besseren Halt und eine vereinfachte Herstellung wird jedoch erreicht, wenn sich diese Verriegelungselemente über die gesamte Länge der vorgesehenen Nuten und Federn erstrecken.The locking elements provided for the positionally fixed connection of the components, which are formed by mutually adapted projections and depressions become the groove and provided on the spring. These locking elements can are provided in sections on the groove and the spring; better grip and one However, simplified production is achieved when these locking elements over extend the entire length of the intended grooves and springs.

Eine Ausführungsform der erfindungsgemäßen Anordnung ist besonders vorteilhaft, bei der auf beiden Seiten der Feder entsprechende Vorsprünge und auf beiden Nutflächen entsprechende Vertiefungen ausgebildet sind, da damit eine doppelte Rastwirkung erzielt werden kann und somit ein fester Zusammenhalt der Bauteile erreicht wird. An embodiment of the arrangement according to the invention is particularly advantageous at the corresponding projections on both sides of the spring and on both groove surfaces corresponding depressions are formed, since it achieves a double locking effect can be and thus a firm cohesion of the components is achieved.

Besonders Vorteilhaft ist das letzte Merkmal in Anspruch 1, da damit eine definierte Ausbildung von Feder und Nut gegeben ist, deren Herstellung einfach ist und ein gutes Aneinanderliegen von Feder und Nut ermöglicht.Particularly advantageous is the last feature in claim 1, since thus a defined design of spring and groove is given, whose production is simple and allows a good juxtaposition of spring and groove.

Die Breite der Bauteile kann beliebig gewählt werden. Es können Bauteile jeweils gleicher Breite oder Bauteile unterschiedlicher Breite miteinander verbunden werden, um z.B. eine bestimmte Fußbodengestaltung zu erreichen.The width of the components can be chosen arbitrarily. It can components each same width or components of different widths are connected to each other e.g. to achieve a certain floor design.

Vorteilhaft für das Ineinanderschieben bzw. das Lösen der Bauteile ist es, wenn gemäß den Merkmalen der Ansprüche 2 und 3 vorgegangen wird.It is advantageous for telescoping or loosening of the components if proceed according to the features of claims 2 and 3.

Eine bevorzugte Ausführungsform der Erfindung ist im Anspruch 4 gekennzeichnet. Diese Querschnittsform einer Feder mit zumindest einem darauf befindlichen Vorsprung und zumindest einer entsprechend angepassten Vertiefung in der Nut ermöglicht ein gutes Abgleiten der Flächen der Feder bzw. des von der Feder getragenen Vorsprunges auf den Nutflächen bzw. den direkt an die Nutöffnung anschließenden Nutflächen beim Einführen der Feder in die Nut.A preferred embodiment of the invention is characterized in claim 4. This cross-sectional shape of a spring with at least one projection thereon and at least one appropriately adapted recess in the groove allows a good Slipping the surfaces of the spring or of the projection carried by the spring on the Grooved surfaces or the subsequent directly to the groove opening groove surfaces during insertion of the Spring in the groove.

Die Merkmale des Anspruches 5 ergeben eine feste Verrastung der beiden zu verbindenden Bauteile.The features of claim 5 give a firm locking of the two connecting components.

Besonders vorteilhaft für das Einführen der Feder des einen Bauteiles in die Nut des anderen Bauteiles und für das Lösen ist es, wenn gemäß dem Merkmal des Anspruches 6 vorgegangen wird. Bei dieser Vorgangsweise wird zwar einem Lösen bzw. Herausführen der Feder aus der Nut ein erhöhter Widerstand entgegengesetzt, verglichen mit dem Widerstand, der einem Einführen der Feder in die Nut entgegengesetzt wird; es wird jedoch der Feder in der Nut ein fester Halt geboten, obwohl ein Lösen dieser Rastverbindung gut möglich ist.Particularly advantageous for the insertion of the spring of a component in the groove of the other components and for the release is, if according to the feature of claim 6 is proceeded. In this procedure, although a release or lead out of Spring out of the groove opposed to an increased resistance, compared with the Resistance, which is opposite to an insertion of the spring into the groove; it will, however the spring in the groove a firm hold offered, although a release of this locking connection well is possible.

Die Ausbildung einer elastisch nachgiebigen Feder bzw. von Federabschnitten ist nicht erforderlich, da die Nutschenkel ausreichende Elastizität aufweisen, um sich beim Einführen der Feder entsprechend aufweiten zu können.The formation of an elastically yielding spring or spring sections is not required, since the groove legs have sufficient elasticity to be at Introduce the spring to expand accordingly.

Die Merkmale des Anspruches 7 erleichtern das Einführen der Feder in die Nut.The features of claim 7 facilitate the insertion of the spring in the groove.

Die Merkmale des Anspruches 8 definieren exakt die Lage der Feder in der Nut, da der Vorsprung genau in der Vertiefung zu liegen kommt und somit der Vorsprung und die Vertiefung bzw. die Federflächen und die Nutflächen exakt und satt und flächig aneinander anliegen.The features of claim 8 define exactly the position of the spring in the groove because the projection comes to lie exactly in the depression and thus the projection and the Well or the spring surfaces and the groove surfaces exactly and rich and flat together issue.

Eine Ausbildung des Querschnittes des dreieckförmigen Vorsprunges bzw. des von der Vertiefung in der Nut aufgenommenen Vorsprunges der Feder gemäß Anspruch 9 erleichtert das Einschieben der Feder in die Nut bzw. bietet der Feder festen Halt in der Nut und ermöglicht trotzdem ein materialschonendes Herausziehen der Feder aus der Nut.An embodiment of the cross section of the triangular projection or of the recess received in the groove projection of the spring according to claim 9 facilitates the insertion of the spring into the groove or provides the spring firm hold in the groove and still allows a gentle material extraction of the spring from the groove.

Die Merkmale des Anspruches 11 sind für das Einführen der Feder in die Nut vorteilhaft, um Verkantungen zu vermeiden. Des weiteren tragen die Merkmale dieses Anspruches dazu bei, dass die Oberflächen der zu verbindenden Bauteile durch das Einrasten der Vorsprünge der Feder in die Vertiefungen der Nut an den Stirnseiten eng aneinander anliegen bzw. einander angenähert werden und die Ausbildung von Spalten vermieden wird.The features of claim 11 are for the insertion of the spring in the groove advantageous to avoid tilting. Furthermore, the features carry this Claim in that the surfaces of the components to be joined by the Engaging the projections of the spring in the recesses of the groove on the end faces closely abut or approach each other and the formation of columns is avoided.

Es zeigte sich in der Praxis, dass die Merkmale des Anspruches 12 vorteilhaft sind, da die Herstellung der Nut und Feder vereinfacht wird bzw. die Kräfteübertragung materialschonend erfolgt.It has been found in practice that the features of claim 12 are advantageous, since the production of the tongue and groove is simplified or the transmission of forces gentle on materials.

Verlegetechnisch einfach und gleichzeitig vom optischen Standpunkt her ansehnlich ist es, wenn gemäß den Merkmalen des Patentanspruches 13 oder 14 vorgegangen wird. Auf diese Weise werden relativ breite, plattenförmige Bauteile, die nicht unbedingt langgestreckt, sondern z.B. auch rechteckförmig oder quadratisch sein können, mit Hilfe von relativ schmalen, leistenförmigen Bauteilen zusammengehalten, womit sich neben einem gefälligen Muster auch eine einfache Verlegetechnik ergibt.Easy to install and at the same time attractive from the optical point of view it is when the procedure according to the features of claim 13 or 14. In this way, relatively wide, plate-shaped components that are not necessarily elongated, but e.g. can also be rectangular or square, with the help of relatively narrow, strip-shaped components held together, bringing next to a pleasing pattern also results in a simple laying technique.

Weitere vorteilhafte Ausführungsformen der Erfindung ergeben sich aus der folgenden Beschreibung, den Zeichnungen und den Patentansprüchen.Further advantageous embodiments of the invention will become apparent from the following description, the drawings and the claims.

Im folgenden wird die Erfindung anhand der Zeichnung näher erläutert.In the following the invention will be explained in more detail with reference to the drawing.

Fig. 1 und 2 zeigen schematisch im Schnitt die Verbindung von Bauteilen und Fig. 3 zeigt schematisch miteinander verbundene Bauteile. Bei der Figur 1 handelt es sich nicht um eine Ausführungsform der Erfindung, sondern um ein Beispiel, welches das Verständnis der Erfindung erleichtert.Fig. 1 and 2 show schematically in section the connection of components and Fig. 3 shows schematically with each other connected components. In the figure 1 is not an embodiment of the invention, but an example which facilitates the understanding of the invention.

Fig. 1 zeigt zwei miteinander zu verbindende Bauteile 1,2, wobei in dem einen Bauteil 1 eine Nut 5 ausgebildet ist, in die eine vom anderen Bauteil 2 abgehende Feder 6 einführbar ist. Die Bauteile 1,2 liegen mit ihren Stirnflächen im nutzflächennahen Bereich aneinander an und bilden im bodenseitigen Bereich einen Spalt 16 aus.Fig. 1 shows two components to be joined together 1,2, wherein in the one component 1, a groove 5 is formed, in which an outgoing from the other component 2 spring. 6 is insertable. The components 1, 2 lie with their end faces in the near-surface area to each other and form a gap 16 in the bottom area.

Die insbesondere aus Holz bestehenden Bauteile 1,2 können mit Beschichtungen 23,24 versehen sein, um entsprechende Oberflächenwerte bzw. ein entsprechendes Aussehen zu erhalten.The particular wooden components 1.2 can with Coatings 23,24 be provided to corresponding surface values or a to get the appropriate appearance.

Auf der Feder 6 bzw. den Federflächen 10 und in der Nut 5 bzw. in den Nutflächen bzw. Seitenflächen 9 der Nut 5 sind aneinander angepasste Verriegelungselemente 7,8 vorgesehen. Diese Verriegelungselemente werden von Vorsprüngen 7 und Vertiefungen 8 gebildet, die miteinander zusammenwirken bzw. verrastbar sind. Die Querschnittsformen der Vertiefungen 8 und zugehörigen Vorsprünge 7 entsprechen einander, sodass die Verriegelungselemente satt ineinander eingreifen.On the spring 6 and the spring surfaces 10 and in the groove 5 and in the groove surfaces or side surfaces 9 of the groove 5 are mutually adapted locking elements 7,8 intended. These locking elements are protrusions 7 and recesses. 8 formed, which cooperate with each other or can be latched. The cross-sectional shapes of Recesses 8 and associated projections 7 correspond to each other, so that the Locking elements fully interlock.

Im zusammengefügten Zustand der Bauteile 1,2 stehen die Verriegelungselmente 7,8 miteinander in Eingriff. Die Verriegelungselemente 7,8 sind insbesondere über die gesamte Länge der Längs- und/oder Schmalseiten der Bauteile 1,2 ausgebildet.In the assembled state of the components 1,2 are the Verriegelungselmente 7,8 engaged with each other. The locking elements 7,8 are in particular over the entire Length of the longitudinal and / or narrow sides of the components 1,2 formed.

In Fig. 1 ist an einer Federfläche 10 ein Vorsprung 7 ausgebildet, der von einer Vertiefung 8 in der an diese Federfläche 10 anliegenden Nutfläche 9 aufgenommen wird. Beim Einführen der Feder 6 in die Nut 5 werden die beiden Schenkel 3, 4 der Nut 5 elastisch auseinandergedrückt; auch beim Herausziehen der Feder 6 aus der Nut 5 erfolgt ein elastisches Spreizen der Nutschenkel 3,4.In Fig. 1, a projection 7 is formed on a spring surface 10, of a Recess 8 is received in the voltage applied to this spring surface 10 groove surface 9. When inserting the spring 6 in the groove 5, the two legs 3, 4 of the groove 5 are elastic pushed apart; also when pulling out the spring 6 from the groove 5 is a elastic spreading of the groove legs 3,4.

Bei den in Fig. 1 dargestellten Bauteilen ist lediglich auf einer Seite der Feder 6 ein Vorsprung 7 ausgebildet. Der Vorsprung 7 ist derart ausgebildet, dass die Federfläche 10 vom vorderen freien Endbereich der Feder 6 eben verläuft bis zu einer Abknickung, die an der dicksten Stelle der Feder liegt und in eine hintere kurze Fläche 17 überleitet, die ihrerseits in eine zum Bauteil 2 führende Fläche 31 übergeht. Von der Vertiefung 8 in der Nutfläche 9 wird lediglich ein Teilbereich 30 der Federfläche 10 aufgenommen; dieser Teilbereich der Federfläche liegt jedoch in der Vertiefung satt an die Fläche 18' an; auch die hintere kürzere Fläche 17 liegt satt an der zur Nutöffnung hin gelegenen Fläche 17' der Vertiefung 8 an.In the components shown in Fig. 1 is only one Side of the spring 6, a projection 7 is formed. The projection 7 is formed such that the spring surface 10 from the front free end portion of the spring 6 extends flat to a Abknickung, which lies at the thickest point of the spring and in a rear short surface 17th leads, which in turn merges into a leading to the component 2 surface 31. Of the Recess 8 in the groove surface 9 is only a portion 30 of the spring surface 10th added; However, this portion of the spring surface is full in the depression of the Surface 18 'on; also the rear shorter surface 17 is fed to the slot opening located surface 17 'of the recess 8 at.

Die Nutfläche 10 bzw. deren Teilbereich 30 ist unter einem ersten Winkel α zur Oberfläche 13 der beiden Bauteile 1,2 geneigt; der hintere kürzere Flächenabschnitt 17 ist unter einem Zweiten Winkel β zur Oberfläche 13 der beiden Bauteile 1,2 geneigt. Gleiches gilt für die beiden Flächen 17' und 18' der Vertiefung 8 in dem Nutschenkel 3. Der außerhalb der Vertiefung 8 des Nutschenkels 3 gelegene bzw. nutgrundnahe Bereich der Nutfläche 9 ist unter einem dritten Winkel γ zur Oberfläche 13 der beiden Bauteile geneigt. Unter demselben Winkel γ geneigt ist diejenige Fläche 10 der Feder 6, die keinen Vorsprung trägt und an der zugekehrten Nutfläche 9 satt anliegt.The groove surface 10 or its partial region 30 is at a first angle α to the surface 13 of the two components 1.2 inclined; the rear shorter surface portion 17 is under a Second angle β inclined to the surface 13 of the two components 1.2. The same applies to the two Surfaces 17 'and 18' of the recess 8 in the groove leg 3. The outside of the recess. 8 of Nutschenkels 3 located or Nutgrundnahe area of the groove surface 9 is under a third Angle γ inclined to the surface 13 of the two components. Inclined at the same angle γ is the surface 10 of the spring 6, which carries no projection and on the facing Grooved surface is 9 full.

Zur Ausbildung einer definierte gegenseitigen Lage der verriegelten Bauteile 1,2 kann es zweckmäßig sein, wenn der erste Winkel α zur Nutz- bzw. Oberfläche 13 der längeren Dreieckseite 18 des Vorsprunges 7 auf der Feder 6 dem Winkel bzw. der Neigung, insbesondere des Vorderbereiches, der Federfläche 10 entspricht, die in ihrem Vorderbereich im Abstand von der Nutfläche 9 verläuft. Die verriegelungselementfreie Federfläche 10 liegt über den Großteil ihrer Länge an der Nutinnenfläche 9 an und beide Flächen nähern sich vom Nutgrund 11 her gesehen der Oberfläche bzw. Nutzfläche 13 der beiden Bauelemente 1,2 unter dem dritten Winkel γ.To form a defined mutual position of the locked components 1,2 It may be useful if the first angle α to the surface 13 of the longer Triangle side 18 of the projection 7 on the spring 6 the angle or the inclination, in particular of the front region, the spring surface 10 corresponds, in their Front region extends at a distance from the groove surface 9. The locking element-free Spring surface 10 rests against groove inner surface 9 over most of its length and both Areas approach from the groove base 11 seen the surface or effective area 13 of the two components 1.2 at the third angle γ.

Für die Praxis ist es von Vorteil, wenn die Vertiefung bzw. die Nut in den oberflächennahen Nut- und Federflächen vorgesehen sind. Besonders vorteilhaft ist es, wenn in beiden Federflächen und beiden Nutflächen entsprechende Verriegelungselemente vorgesehen werden.For practice, it is advantageous if the recess or the groove in the near-surface tongue and groove surfaces are provided. It is particularly advantageous if in both spring surfaces and two groove surfaces corresponding locking elements be provided.

Man erkennt aus Fig. 1, dass bei einem Einschieben der Feder 6 in die Nut die Nutschenkel 3,4 voneinander entfernt werden, insbesondere gleiten die nutöffnungsnahe Fläche 25' und die Federfläche 10, insbesondere deren Bereich 30 aufeinander ab, sodass ein Aufweiten der Nutschenkel 3,4 ohne deren Beschädigung erreicht wird. Beim Herausziehen der Feder 6 aus der Nut 5 wird durch Abgleiten der Flächen 17 und 17' aneinander ein Aufweiten der Nutschenkel 3,4 erreicht. It can be seen from Fig. 1, that upon insertion of the spring 6 in the groove Nutschenkel 3.4 are removed from each other, in particular slide the Nutöffnungsnahe Surface 25 'and the spring surface 10, in particular their region 30 from each other, so widening of the groove legs 3,4 without damaging them is achieved. At the Pulling out the spring 6 from the groove 5 is by sliding the surfaces 17 and 17 ' an expansion of the groove legs 3,4 reaches each other.

In Fig. 2 ist eine besonders vorteilhafte Ausführungsform der Erfindung dargestellt, bei der die Nut 5 und die Feder 6 vorteilhafterweise symmetrisch zu einer senkrecht zur Zeichenebene verlaufenden Mittelebene M' durch die Bauteile 1,2 ausgebildet sind.2, a particularly advantageous embodiment of the invention is shown, in which the groove 5 and the spring 6 advantageously symmetrical to a perpendicular to Drawing plane extending median plane M 'are formed by the components 1,2.

Der Querschnitt des Vorsprunges 7 bzw. der Vertiefung 8 gemäß Fig. 2 ist dreieckförmig, wobei die näher zur Nutöffnung gelegenen Dreieckseiten 17, 17' kürzer und stärker geneigt sind als die näher dem Nutgrund 11 gelegenen Dreieckseiten 18, 18'. Beim Einführen der Feder 6 in die Nut 5 gleitet die längere Seite 18 des Vorsprunges 7 auf der Innenkante bzw. einer in diesem Bereich ausgebildeten Abschrägung 25' des Nutschenkels 3 so lange bis der Vorsprung 7 diese Innenkantenfläche 25' überwunden hat und von der Vertiefung 8 aufgenommen wird.The cross section of the projection 7 and the recess 8 of FIG. 2 is triangular, wherein the closer to the groove opening triangle sides 17, 17 'shorter and are more inclined than the closer to the groove bottom 11 located triangle sides 18, 18 '. At the Insertion of the spring 6 in the groove 5 slides the longer side 18 of the projection 7 on the Inner edge or in this area formed bevel 25 'of the groove leg 3 until the projection 7 has overcome this inner edge surface 25 'and of the Well 8 is recorded.

Bei der vorteilhaften Ausführungsform gemäß Fig. 2 ist vorgesehen, dass an den beiden gegenüberliegenden Federflächen 10, insbesondere symmetrisch liegende Vorsprünge 7 oder Vertiefungen 8 und auf beiden anliegenden Nutflächen 9 an diese Vorsprünge 7 bzw. Vertiefungen 8 angepasste Vertiefungen und Vorsprünge ausgebildet sind bzw. dass Nut 5 und Feder 6 schwalbenschwanzförmig ausgebildet und aneinander angepasst sind. Diese Ausführungsform ermöglicht eine doppelte Verriegelung der beiden Bauelemente 1,2, wobei auch eine derartige Verriegelung leicht lösbar ist, indem die beiden Bauteile 1,2 in der von ihnen aufgespannten Ebene voneinander entfernt bzw. auseinandergezogen werden.In the advantageous embodiment according to FIG. 2 it is provided that to the two opposing spring surfaces 10, in particular symmetrically located Projections 7 or recesses 8 and on both adjacent groove surfaces 9 to this Projections 7 and recesses 8 adapted recesses and projections formed or that groove 5 and spring 6 are dovetail-shaped and to each other are adjusted. This embodiment enables a double locking of the two Components 1.2, wherein such a lock is easily solvable by the two Components 1,2 in the plane spanned by them away from each other or be pulled apart.

Bei dieser Ausführungsform geht die längere Dreieckseite 18 bzw. die von dieser Seite gebildete Fläche des Vorsprunges 7 unter Ausbildung eines Knickes 19 in den vorderen Bereich der Federfläche 10 über; der nutgrundnahe Bereich der Nutfläche 9 und dieser vordere Bereich der Federfläche 10 liegen ebenso wie der Vorsprung 7 und die Vertiefung 8 satt aneinander an; auf diese Weise kann eine sehr exakte Verbindung der Bauteile 1,2 erreicht werden und gleichzeitig wird gewährleistet, dass die Stirnflächen der Bauteile 1,2 unter Druck aneinander anliegen bzw. einander angenähert werden, sodass ein Spalt zwischen den Bauteilen 1,2 an der Nutzfläche 13 bzw. ein Entfernen der Bauteile 1,2 im Zuge ihrer Benutzung vermieden wird.In this embodiment, the longer side of the triangle 18 or the latter of this goes Side formed surface of the projection 7 to form a kink 19 in the front area of the spring surface 10 via; the Nutgrundnahe area of the groove surface 9 and this front portion of the spring surface 10 are as well as the projection 7 and the Well 8 rich to each other; In this way, a very accurate connection of the Components 1.2 are achieved while ensuring that the end faces of the Components 1.2 under pressure abut each other or be approximated, so that a Gap between the components 1,2 at the effective area 13 or a removal of the components 1,2 avoided in the course of their use.

Der nutgrundnahe Bereich der Nutflächen 9 und der dem freien Ende der Feder 6 nahe Bereich der Federflächen 10 ist unter demselben Neigungswinkel γ geneigt. Der erste Winkel α, den die Flächen 18 des Vorsprunges bzw. die Flächen 18' der Vertiefung mit der Oberfläche 13 der Bauteile 1,2 einschließen, ist größer als der dritte Winkel γ. Unter diesem ersten Winkel α ist auch der nutöffnungsnahe Bereich der Innenkantenfläche 25' zur Oberfläche 13 der beiden Bauteile 1,2 geneigt.The nutgrundnahe area of the groove surfaces 9 and the free end of the spring. 6 near region of the spring surfaces 10 is inclined at the same inclination angle γ. The first angle α, the the surfaces 18 of the projection or the surfaces 18 'of the recess with the surface 13th of the components 1, 2 is larger than the third angle γ. Under this first angle α is also the Nutöffnungsnahe area of the inner edge surface 25 'to the surface 13 of the two components 1.2 inclined.

Der Zweite Winkel β, unter dem die kürzeren Dreieckseiten 17,17' geneigt sind, ist größer als der erste Winkel α und schließt mit der Oberfläche 13 der Bauteile 1,2 vorteilhafterweise einen Winkel zwischen 25° bis 65° ein. The second angle β, below which the shorter triangle sides 17, 17 'are inclined, is greater than the first angle α and closes with the surface 13 of the components 1,2 advantageously one Angle between 25 ° to 65 °.

Für das Verbinden und das Lösen ist es vorteilhaft, wenn die nutgrundnahen Dreieckseiten 18, 18' etwa vier- bis achtmal, vorzugsweise fünf- bis siebenmal, so lang ist als die nutgrundfernen Dreieckseiten 17,17' und wenn der Winkel zwischen den beiden Dreieckseiten 17, 18 bzw. 17' 18' 100 bis 140°, insbesondere 110 bis 130°, beträgt.For connecting and disconnecting, it is advantageous if the nutgrundnahen Triangular sides 18, 18 'about four to eight times, preferably five to seven times, as long as the nutgrundfernen triangle sides 17,17 'and if the angle between the two Triangular sides 17, 18 and 17 '18' 100 to 140 °, in particular 110 to 130 °.

Zur Erleichterung des Einführens ist es vorteilhaft, wenn die innenliegenden Endkanten der Feder 6 mit Abschrägungen 12 und/oder die innenliegende Endkante des rast- bzw. verriegelungselementfreien Nutschenkels 4 mit einer Abschrägung 29 versehen sind.To facilitate the insertion, it is advantageous if the internal End edges of the spring 6 with chamfers 12 and / or the inner end edge of the latching or locking element free Nutschenkels 4 provided with a chamfer 29 are.

Mit der erfindungsgemäßen Verbindungsweise wird es möglich und ist es beabsichtigt, dass die miteinander zu verbindenden Bauteile 1,2 mit ihren Unterflächen 15 in einer Ebene liegen.With the connection according to the invention, it is possible and is intends that the components to be joined together 1,2 with their lower surfaces 15 in lie on a plane.

Prinzipiell können auf einer Nut- bzw. Federfläche auch mehrere Vorsprünge und/oder Vertiefungen ausgebildet werden.In principle, a plurality of projections on a groove or spring surface and / or depressions are formed.

In Fig. 3 ist eine Ausführungsform der Erfindung dargestellt, bei der jeder der einzelnen Bauteile 1,2 an seinen beiden gegenüberliegenden Stirnflächen oder an allen seinen vier Stirnflächen mit Nuten 5 oder mit Federn 6 versehen ist. Die Bauteile 1,2 sind somit, bezogen auf ihre schematisch dargestellte Mittelebene M symmetrisch aufgebaut.In Fig. 3, an embodiment of the invention is shown in which each of the individual components 1,2 at its two opposite end faces or at all its four faces with grooves 5 or 6 is provided with springs. The components are 1.2 thus, based on their schematically represented center plane M constructed symmetrically.

Die Ausbildung der Nuten 5 bzw. Federn 6 erfolgt in der gleichen Art und Weise, wie sie in Zusammenhang mit den Fig. 1 und 2 bzw. in der vorangehenden Beschreibung beschrieben wurde. Wie aus Fig. 3 zu entnehmen ist, sind die miteinander in Eingriff stehenden Vorsprünge 7 und Vertiefungen 8 aneinander angepasst und entsprechend ihrer Querschnittsform nach den Vorsprüngen 7 und Vertiefungen 8 der in den Fig. 1 und 2 beschriebenen Vertiefungen. Es ist allerdings prinzipiell möglich, andere ähnliche Querschnittsformen für die Verriegelungselemente 7,8 zu wählen bzw. andere Neigungswinkel der Nut- und Federflächen in Bezug auf die Oberfläche 13 der Bauteile 1,2 zu wählen als dargestellt. Wesentlich ist die Elastizität der Schenkel 3,4, um das Verrasten der Verriegelungselemente 7,8 zu gewährleisten.The formation of the grooves 5 and springs 6 takes place in the same manner as they in connection with Figs. 1 and 2 and in the foregoing description has been described. As can be seen from Fig. 3, which are engaged with each other standing projections 7 and recesses 8 adapted to each other and according to their Cross-sectional shape after the projections 7 and recesses 8 in Figs. 1 and 2 described wells. However, it is possible in principle, other similar Select cross-sectional shapes for the locking elements 7,8 and others Inclination angle of the tongue and groove surfaces with respect to the surface 13 of the components 1,2 to choose as shown. Essential is the elasticity of the legs 3,4 to the locking to ensure the locking elements 7,8.

Der in Fig. 3 dargestellte relativ schmale bzw. leistenförmige Bauteil 2 besitzt zwei Federn 6 jeweils mit einem Schwalbenschwanzprofil; die in Fig. 3 dargestellten relativ breiten Bauteile 1 besitzen an ihren gegenüberliegenden Stirnflächen, insbesondere an allen vier Stirnflächen schwalbenschwanzförmige Nuten 5.The illustrated in Fig. 3, relatively narrow or strip-shaped component 2 has two Springs 6 each with a dovetail profile; the shown in Fig. 3 relatively wide Components 1 have at their opposite end faces, in particular at all four End faces dovetail grooves 5.

Die Bauteile 1 könnten auch quadratisch ausgebildet sein und ergeben in Kombination mit den leistenförmigen Bauteilen 2 ein optisch ansehnliches Muster.The components 1 could also be square and result in Combination with the strip-shaped components 2 a visually appealing pattern.

Die leistenförmigen Bauteile 2 sind leicht handhabbar bzw. abzulängen; die Bauteile 1 können über ihrem Umfang auf den Stirnflächen ausgebildete Nuten 5 besitzen, sodass eine allseitige Verbindung der Bauteile 1 mit den leistenförmigen Bauteilen 2 ausgeführt werden kann. The strip-shaped components 2 are easy to handle and cut; the components 1 may have trained on their grooves on the end faces grooves 5, so that an all-round connection of the components 1 with the strip-shaped components 2 executed can be.

Prinzipiell möglich ist es auch, dass an gegenüberliegenden Stirnflächen oder an allen Stirnflächen der Bauteile 1,2 jeweils Nuten 5 oder Federn 6 ausgebildet werden, um bezüglich ihrer Längs- und gegebenenfalls Quermittelebene symmetrische Bauteile zu erstellen.In principle, it is also possible that on opposite faces or on grooves 5 or springs 6 are formed in each end face of the components 1, 2 to with respect to their longitudinal and optionally transverse center plane symmetrical components create.

Claims (16)

  1. Panel-shaped or strip-shaped building components (1, 2)
    comprising wood, wood material or a wood-based material,
    the building components (1, 2) being connectable to one another by the tongue-and-groove method,
    wherein two legs (3, 4) project from at least one of the end faces of the one building component (1) and form between them a groove (5), into which groove (5) is insertable a tongue (6) projecting from one of the end faces of the respective other building component (2),
    wherein mutually adapted locking elements in the form of a recess (8) or in the form of a projection (7) are formed on at least one side of the groove (5) and on at least one side of the tongue (6) in order to hold connected building components (1, 2) in the joined position, and
    wherein, for the fixed, but detachable connection of the building components (1,2),
    the groove (5) is directly formed in the building component (1) itself, preferably carved or shaped out of it,
    the tongue (6), which can be massive, is formed in one piece with the building component (2),
    the width (B) of the groove (5) increases from the inside to the outside,
    the thickness of the tongue (6) decreases in the direction of its free end,
    the projection (7), which is triangular in cross-section and formed on the tongue (6), has a longer front surface (18, 30) forming a first angle (α) with the top surface (13) of the building components (1, 2), and a shorter rear surface (17) forming a second angle (β), greater than the first angle (α), with the top surface (13) of the building components (1, 2) and adjoining the front surface (18, 30) to form a triangular edge,
    the recess (8) in the groove (5) has a surface (18') close to the base of the groove and a shorter contact surface (17') which is remote from the base of the groove and, in the locked position, rests against the shorter rear surface (17) of the projection (7),
    at least one of the two, preferably both legs (3, 4) of the groove can be bent resiliently outwards relative to the respective other leg of the groove so that the tongue (6) is clamped in the engaged position by the legs (3, 4) of the groove and is insertable into and removable from the groove (5) by resilient bending of the legs (3, 4) of the groove,
    the recess (8), which is triangular in cross-section and formed in the groove (5), has a contact surface (18') close to the base of the groove and adjoining the longer front surface (18, 30) of the projection (7) in the locked position,
    characterized in that
    the two legs (3, 4) of the groove are of equal length,
    the projection (7) and the recess (8) are complementary or are mutually adapted so that they lie closely against one another and
    the triangular projection (7) formed on the tongue (6) is located between the surface areas of the tongue (6) having the same angle (γ) with the top surface (13) of the building components (1, 2).
  2. Building components according to claim 1, characterised in that the first angle (α), formed between the front tongue surface (18) and the top surface (13) of the building components (1, 2), is greater than the third angle (γ) formed between the region of the groove surface (9) close to the base of the groove and the top surface (13) of the building components (1, 2) (fig. 1).
  3. Building components according to claim 1 or 2, characterised in that, when the projection (7) is formed on only one side of the tongue (6) and the recess (8) is formed only on the side of the groove (5) facing this side, the surfaces of the tongue (6) and groove (5) which are not provided with a projection or recess lie flat and closely against one another and form the same third angle (γ) with the top surface (13) of the building components (1, 2).
  4. Building components according to any one of claims 1 to 3, characterised in that the tongue surfaces (io) close to the end region form the same third angle (γ) with the top surface (13) of the building components (1, 2) as the regions of the groove surfaces (9) close to the base of the groove, against which regions the tongue surfaces (10) close to the end region rest when the building components (1, 2) are joined together.
  5. Building components according to any one of claims 1, 3 or 4, characterised in that, when the building components (1, 2) are in the locked position, substantially the entire region of the tongue surface (io) located in front of the projection (7) in the direction of the front end of the tongue rests against the groove surface (9).
  6. Building components according to any one of claims 1 to 5, characterised in that the longest triangle side of the recess (8) lies in the path or plane of the groove surface (9), the triangle side (17') located closer to the opening of the groove being shorter and inclined at the greater, second angle (β) to the top surface (13) than the triangle side (18') located closer to the base (11) of the groove and inclined at the first angle (α) to the top surface (13), and in that the longest triangle side of the projection (7) lies in the path or plane of the tongue surface (10), the triangle side (17) remote from the free end of the tongue being shorter and inclined at the greater, second angle (β) to the top surface (13) than the triangle side (18) located close to the free end of the tongue and inclined at the first angle (α) to the top surface (13).
  7. Building components according to one of claim 1 to 6, characterized in that the surface area (25') of the groove surface (9) between the opening of the groove and the beginning of the shorter triangle side (17') of the recess (8) has an angle with the top surfaces (13) of the building components (1,2) that corresponds to the inclination angle (α) of the longer triangle side (18') said surface area (25') of the groove (5) being formed in a way to serve as a sliding surface for the longer triangle side (18) of the projection (7) carried by the tongue (6).
  8. Building components according to any one of claims 1 to 7, characterised in that the region of the tongue surface (10) close to the free end of the tongue and also the region of the tongue surface (10) close to the end face of the building component (2) merge into the longer (18) and the shorter (17) triangle sides of the projection (7), in each case forming a bend (19, 20).
  9. Building components according to any one of claims 1 to 8, characterised in that the triangle side (18) close to the base of the groove (fig. 2) or the portion (30) of the tongue surface (10) received by the recess (8) (fig. 1) is approximately four to eight times, preferably five to seven times as long as the triangle side (17) remote from the base of the groove (fig. 2) or the shorter rear surface (17) (fig. 1), and in that the angle between the two triangle sides (17, 18) or between the portion (30) of the tongue surface (10) and the shorter rear surface (17) is 100° to 140°, in particular 110° to 130°.
  10. Building components according to any one of claims 1 to 9, characterised in that the longer triangle side (18, 18') and the shorter triangle side (17, 17') of the projection (7) or the recess (8) merge, respectively, into the front and rear regions of the groove surface (9) and the tongue surface (10), forming a bend (19, 20).
  11. Building components according to any one of claims 1 to 10, characterised in that the end face of the groove leg (4) close to the top surface of the one building component (1) and optionally having a chamfered inner edge (29) rests against the end face region close to the top surface of the other building component (2), and/or in that the end face of the groove leg (3) close to the bottom surface of the one building component (1) is arranged spaced from the end face region close to the bottom surface of the other building component (2).
  12. Building components according to any one of claims 1 to 11, characterised in that the groove (5) and the tongue (6) are formed in the middle region of the respective end faces of the building components (1, 2) or symmetrically to a horizontally extending central plane of the building components (1, 2).
  13. Building components according to any one of claims 1 to 12, characterised in that the building components (1, 2) carry a groove (5) on one of their end faces and a tongue (6) on the respective other end face, or in that the building components (1) carry grooves (5) or tongues (6) respectively on both opposing end faces or on all end faces, and/or in that the building components (1, 2) are of symmetrical or identical construction in relation to a plane extending perpendicularly to their surface and extending through the longitudinal and/or transverse central plane.
  14. Building components according to any one of claims 1 to 13, characterised in that the building components (1, 2) are of different widths, wherein optionally the building components (1) carrying grooves (5) on opposing end faces are wide in the manner of a panel and the building components (1) carrying the tongues (6) are elongate or narrow in the manner of a strip.
  15. Building components according to any one of claims 1 to 14, characterised in that the building components (1, 2) are formed by wall panels, floor panels, cladding panels or cladding strips coated on the top and/or bottom surfaces with plastic laminates.
  16. Building components according to any one of claims 1 to 15, characterised in that the building components (1, 2) have a flat underside (15) for placing on a flat substrate and/or in that a projection (7) and a recess (8) which are adapted to one another extend over the entire length of the groove (5) and the tongue (6).
EP03006315A 1997-06-18 1998-06-18 Panel shaped or strip shaped building members Expired - Lifetime EP1319773B1 (en)

Priority Applications (1)

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SI9830802T SI1319773T1 (en) 1997-06-18 1998-06-18 Panel shaped or strip shaped building members

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AT106797 1997-06-18
AT0106797A AT405560B (en) 1997-06-18 1997-06-18 ARRANGEMENT OF COMPONENTS AND COMPONENTS
EP98928000A EP1036244B1 (en) 1997-06-18 1998-06-18 Panel shaped or strip shaped building members

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EP98928000A Division EP1036244B1 (en) 1997-06-18 1998-06-18 Panel shaped or strip shaped building members

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EP1319773A2 EP1319773A2 (en) 2003-06-18
EP1319773A3 EP1319773A3 (en) 2003-08-27
EP1319773B1 true EP1319773B1 (en) 2005-08-24

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US (2) US6438919B1 (en)
EP (2) EP1319773B1 (en)
AT (1) AT405560B (en)
AU (1) AU8002698A (en)
CA (1) CA2283288C (en)
DE (3) DE59809235D1 (en)
DK (2) DK1036244T3 (en)
ES (2) ES2248661T3 (en)
PT (1) PT1036244E (en)
SI (2) SI1036244T1 (en)
WO (1) WO1998058142A1 (en)

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WO1998058142A1 (en) 1998-12-23

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