EP1527240A1 - Ensemble de composants a elements de connexion - Google Patents

Ensemble de composants a elements de connexion

Info

Publication number
EP1527240A1
EP1527240A1 EP03732391A EP03732391A EP1527240A1 EP 1527240 A1 EP1527240 A1 EP 1527240A1 EP 03732391 A EP03732391 A EP 03732391A EP 03732391 A EP03732391 A EP 03732391A EP 1527240 A1 EP1527240 A1 EP 1527240A1
Authority
EP
European Patent Office
Prior art keywords
groove
arrangement according
components
connecting means
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03732391A
Other languages
German (de)
English (en)
Other versions
EP1527240B1 (fr
Inventor
Herbert Ruhdorfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interglarion Ltd
Original Assignee
M Kaindl OG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by M Kaindl OG filed Critical M Kaindl OG
Priority to SI200331361T priority Critical patent/SI1527240T1/sl
Publication of EP1527240A1 publication Critical patent/EP1527240A1/fr
Application granted granted Critical
Publication of EP1527240B1 publication Critical patent/EP1527240B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • 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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02011—Construction of joints, e.g. dividing strips with joint fillings integrated in the flooring elements
    • 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
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
    • 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
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/044—Other details of tongues or grooves with tongues or grooves comprising elements which are not manufactured in one piece with the sheets, plates or panels but which are permanently fixedly connected to the sheets, plates or panels, e.g. at the factory
    • E04F2201/049—Other details of tongues or grooves with tongues or grooves comprising elements which are not manufactured in one piece with the sheets, plates or panels but which are permanently fixedly connected to the sheets, plates or panels, e.g. at the factory wherein the elements are made of organic plastics with or without reinforcements or filling materials
    • 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
    • E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
    • E04F2201/0529—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape the interlocking key acting as a dovetail-type key

Definitions

  • the invention relates to an arrangement of components with connecting elements according to the preamble of claim 1.
  • Component is understood in particular to mean plate-shaped components, for example panel panels, floor panels, cladding panels, cladding strips or the like, in particular for cladding walls, ceilings or floors of buildings of all types.
  • Components of this type can be single-layer or multi-layer panels or strips made of wood-based materials or on a wooden basis (laminates), in particular chipboard, MDF, HDF, OSB, hard fiber or plywood panels, which are optionally coated on one or both outer surfaces , The coating, the so-called wear layer, can with
  • floor panels a decorative paper, for example in natural wood look, is widely used, which gives the impression of a solid wood panel. Since floors are subject to heavy wear in normal use, the surface of the decorative paper is sealed by a hard, in particular scratch and abrasion-resistant overlay made of, for example, resin-soaked alpha cellulose paper and thus protected against scratching and indentation.
  • the invention is therefore directed to floor panels, so-called panels, which consist of wood material and have relatively hard surfaces made of plastic laminates.
  • the preamble of claim 1 is known from the prior art.
  • the invention particularly relates to the special type of training and Manufacture of the components and the connecting elements in order to optimally hold the components in a connected state in relation to one another, but to be able to detach the components from one another if necessary
  • Known arrangements of components in the form of floor panels have grooves or tongues on their side edges, in particular those that can snap into the grooves.
  • Such panels are particularly economical to manufacture, since only the mostly relatively soft middle layer of the panels, in particular made of wood, has to be specially processed to form the grooves and tongues serving as locking elements and not the relatively hard surfaces made of laminates.
  • the middle layer is also referred to as the backing layer or core.
  • this therefore usually consists of chipboard, MDF, HDF, hard fiber, voilwood or plywood material.
  • the spring protruding beyond at least one side edge of the panels is particularly susceptible to damage, since due to its small cross-section and the large weight of a panel, it can hit particularly hard against obstacles. This applies to the manufacture, transport and installation.
  • the groove is also susceptible because the panel in the area of the groove has a reduced wall thickness. The outer walls of the groove can even be thinner than the cross section of the tongue.
  • Damaged springs or those of water-permeable or, water absorbing material making the tongue and groove connection also water permeable, to the joint spilled water therefore penetrates more easily in the • often liquid-absorbent agent layers (core.) Of the panel a, which aufq therefore Uillt and becomes unsightly. Moisture can also penetrate through the tongue and groove connection and remain on the underside of the panels for a long time. This moisture escapes observation or elimination and can in the long term cause the consequential damage typical of moisture, e.g. mold, bacteria, efflorescence, washout,
  • EP 1 024 234 discloses panels of this type with a tongue and groove connection, locking means being provided on the grooves and tongues for latching in. Since the grooves and tongues are milled together with the locking means in one piece from the core consisting of HDF or MDF, the Strength properties of the grooves and tongues are determined by the material properties of the core of the panel. Therefore, the core of the panel is harder, stronger, heavier and more expensive than it is, taking into account the strength of the connecting and locking means necessary for secure connection is necessary for a floor covering.
  • No. 5,295,341 discloses panels in which the fastening means are connected to the edges of the panels in a strip-like manner, so that the materials for panels and connecting means can be optimized in each case.
  • barb-like anchors are formed on the connecting strips, which engage in undercuts in the panels. Such a geometry with undercuts can only be produced with great effort,
  • WO-A-00/20706 and WO-A-00/20705 disclose floor panels which can be connected to one another by separate connecting profiles by moving the longitudinal edges horizontally towards one another or by vertically lowering the longitudinal edges.
  • the connecting means must therefore be locked on both sides, ie with the longitudinal edges of two profiles to be connected. This increases the manufacturing effort, since the separate connecting means must be attached in the factory on one long side of a profile. Otherwise, the effort for the installer on site increases, since this is immediately before the Assemble the connecting means first on one soap with a panel and later on the other side with the panel to be connected.
  • the connecting means are therefore not firmly connected to the panel on both sides, so that the risk of unlocking is doubled and the connection is less rigid and firm.
  • There are also more machining steps to be performed per connection namely for two tongues and two grooves. One groove and one tongue are normally sufficient to establish a connection
  • the invention provides an arrangement of components which can be connected by connecting means, in particular snap-in connecting means,
  • At least one of the 'two connecting means, in particular the spring consists of a different material, such as the respective component to which the connecting means, in particular the spring, is permanently connected ' , makes it possible both for the components and to select the connecting elements, in particular the springs, optimally independently of one another with regard to the requirements and costs.
  • the manufacturing effort is reduced since only a groove and a spring, which are necessary for the detachable connection, have to be produced,
  • the connecting means can consist, for example, of PVC, plastics and the like, which is harder than the core of the panels and is produced on a special milling machine (for example, a pencil milling machine).
  • a special milling machine for example, a pencil milling machine.
  • the particularly heavy and / or stable material is only processed at the point where it is actually needed, while the core of the panel consists of light and inexpensive material.
  • the weight of the panels is an important economic factor since it influences the transport costs and the price of the product, as well as consumer acceptance. As a result, there is great potential for savings in the fact that only the molded or fluid part is equipped with high mechanical strength.
  • the connecting means for example in the form of a tongue or groove made of a different material than the respective component, is permanently connected to the respectively assigned component, errors during assembly are avoided.
  • the connecting means cannot slip or shift along the long side, and liquid that gets into the joint of two components is prevented from penetrating deeper into the component or from reaching under the component and causing further damage there.
  • Such an inseparable connection can be achieved, in particular, by positive locking.
  • Such a connection can be produced particularly economically and is very firm if the connecting means are brought into contact with the respective component in the liquid or soft state, the liquid connecting means penetrates into openings and pores of the component, so that there is a connection by positive locking, a similar strength can be achieved by gluing,
  • the positive connection is particularly effective when the still liquid or which connecting means is introduced into grooves with or without undercuts of the component, in particular along the front or long side of a plate-shaped component. Grooves without undercuts are particularly easy and quick to produce, for example, coming from the front over the entire length of the front. Grooves with undercuts are more complex to manufacture, but they hold the connecting means in them particularly firmly.
  • the inner contour of the grooves can also be shaped as desired, for example by milling, breaking or ' less precise methods. This makes machining easier, cheaper and faster and the strength of the seat increases. Particularly precise machining tools can therefore be dispensed with,
  • the grooves which are provided for releasable connection to the connecting means, are of unequal legs, that is to say are formed above, the components are easier to assemble.
  • Such a leg protruding on the underside of a component can serve as a guide when moving the components towards one another.
  • the connecting means have a higher load capacity in the direction of the above leg.
  • Such a leg protruding on the underside of a component can intercept, for example, the loads that occur when the component is entered,
  • the connecting means is made from extrudate, which can be brought into contact with the component when it is leaving the extruder, in order to connect to it.
  • Extrudates are usually molded parts that are manufactured using an extruder. While such molded skins usually first harden to their final shape before being mixed with other ' components are connected, it is advantageously provided to connect them to the component in the still soft or liquid state. In this case, it is not necessary for the extruder to have a specific profile. Rather, it is important that the liquid or - soft extrudate is introduced into the groove of a component, and connects to it by filling, if the end face, i.e.
  • an extruder in the sense of the invention can therefore also be a device from which a material which has not yet fully hardened can emerge in a controlled manner without the extruder giving it a specific shape.
  • the shape is adapted to the final shape so that less material has to be removed during the finishing,
  • a connection can be released if, on the one hand, it is so firm that it cannot be released unintentionally and, on the other hand, it can be released again non-destructively if necessary.
  • connection should, if necessary, for example when laying errors, repair, disassembly, be easily detachable, for example by the fact that the two components or in the plane spanned by them plane away from each other 'are pulled apart, supportive or alternatively under a releasable locking a understood those in which the individual components can be released again by twisting or tilting if necessary.
  • connection means have the capability and therefore the particular for filling groove (filling groove) of the component completely fill, whereby the contact area between connection means and fuel is lnut increased.
  • the extrudate is therefore introduced into the filling groove in one step with the floor production, which can save costs.
  • the non-detachable connecting means connected to the component also has the advantage that during the final processing, for example the milling out of a groove or tongue, the connecting means cannot slip and already have their final position the components are connected to one another more easily, more firmly and more securely. This is not the case when using a fully formed spring which is then firmly connected to the component
  • the connecting means are not perceived and do not interfere with the appearance.
  • the connecting means can be produced in a material-saving manner if their maximum thickness is also the maximum thickness of the springs,
  • the flat undersurface of the panels has a positive effect on the optics, is easier to produce than a contoured undersurface and insulates the impact sound as cavities are avoided.
  • Coated tops and bottoms ⁇ make the surface less sensitive to scratching, denting, moisture and ensure an attractive appearance.
  • the groove is directly machined out of the component, in particular milled out, which makes the manufacture of such panels easier.
  • the two Legs of the groove are essentially of the same length except for slight differences in length, which result from the fact that it can be provided that the components are close to one another in their area near the surface and are arranged at a distance from one another in the areas near the floor, forming a small gap secure abutting of the two tops of the panels even with certain unevenness of the surface.
  • the width of the groove, which increases from the inside to the outside, and the thickness of the tongue, which decreases towards its free end, are coordinated with one another, so that in the case of components which are connected to one another, the groove and tongue surfaces are full, ie, form-fitting to one another so that the components are held in a defined mutual position,
  • An essential part of the detachable connection is that the component-near surface of the projection formed on the tongue and the surface near the groove opening of the recess formed on the groove run obliquely or inclined in the direction of the component or groove opening, so that a
  • the legs of the groove can be elastically expanded or moved away from the other leg; in particular, the two legs of the groove are designed in terms of material thickness in such a way that an elastic bending outwards is possible in order to allow the tongue to penetrate into the groove, the at least one projection formed on the tongue being able to overcome the inner edges at the groove opening, just by sliding on the inner edges and thereby the legs of the
  • the locking elements provided for the fixed connection of the components which are formed by mutually adapted projections and depressions, are provided on the groove and on the tongue. These locking elements can be provided in sections on the groove and the tongue; ' Better grip and simplified manufacture ' is achieved, however, when this Locking elements extend over the entire length of the grooves and tongues provided,
  • An embodiment of the arrangement according to the invention is particularly advantageous in which corresponding projections are formed on both sides of the tongue and corresponding depressions are formed on both groove surfaces, since this enables a double locking effect to be achieved and thus a firm cohesion of the components is achieved.
  • the width of the components can be chosen arbitrarily. Components of the same width or components of different widths can be connected to each other, e.g. to achieve a certain floor design,
  • a preferred embodiment of the invention is characterized in claim 34 , the groove surfaces directly adjoining the groove opening when the tongue is inserted into the groove,
  • An embodiment of the cross-section of the triangular projection or of the projection of the spring received by the recess in the groove facilitates the insertion of the spring into the groove or provides the spring with firm hold in the groove and nevertheless enables the material to be pulled out gently Tongue out of the groove
  • the features of claim 43 are advantageous for inserting the tongue into the groove in order to avoid canting. Furthermore, the features of this claim contribute to the fact that the surfaces of the components to be connected fit snugly against one another or are brought closer to one another by snapping the projections of the tongue into the recesses of the groove, and the formation of gaps is avoided.
  • the following working method preferably results for the production of the arrangement of components according to the invention.
  • the free ends of the extrudates are then milled out so that they form spring profiles.
  • a groove can also be milled from the extrudates.
  • profiling of a rapidly solidifying extrudate can be carried out, even during the * extrusion process, and thus time and material and costs can be saved.
  • the profiling can be carried out, for example, by reshaping or cutting realizable.
  • plastic as the extrudate is preferred because it can be milled most precisely
  • the advantage of the invention in relation to the prior art is, among other things, that the introduction of the extrudate in one operation with the B ⁇ utellfertigung can take place, the profiles have a very firm hold with the core material, the profiles can be milled much sharper and therefore better lockable when using plastic, the extrudates are inexpensive materials, an elastic property of the grooves or springs regardless of the material properties of the Core material is given and one can do without a sealing of the connecting surfaces, since the extrudates or the plastic, the water and moisture absorption is reduced or prevented.
  • the milling material i.e. the material that was taken out of the plate when milling the grooves
  • the wood material therefore does not have to be procured and transported, storage of the milling waste and its disposal is not necessary
  • the extrudate can also extend to the surface of one or both components. It thus mechanically and optically forms an intermediate piece along the edges of the components. It therefore fulfills a double function, namely it serves as a connecting means and also fulfills aesthetic requirements protective and stabilizing functions, whereby it is not essential in the sense of the invention that the extrudate also serves as a connecting means,
  • this edge can be machined more precisely and precisely, which makes the fit more precise. This prevents the connection from being unintentionally loosened and dirt from entering the connection. In addition, the joint becomes less visible.
  • the edges of wood-based materials are usually particularly frequently provided with stiffings, ie upward-pointing openings, in the area of the surface that is at risk of impact. Spots are also created when working on the edges and can be clearly seen along the edges, especially in the case of installed panels, in backlight. That which reaches to the surface according to the invention Extrudate is able to avoid or cover these edges.
  • the component which is usually moisture-absorbent, is protected against the absorption of water. As is well known, moisture leads to swelling, which makes the component unattractive.
  • the extrudate which acts as an intermediate piece, can be produced in a wide variety of materials, structures and colors. Such intermediate pieces therefore form particularly decorative elements, in particular if they are colored, and influence the appearance from noble to rustic.
  • extruded intermediate pieces also as part of the tongues or grooves, can be milled as required.
  • edges of the elements can be shaped as required.
  • B depressions and / or elevations in the joints are milled.
  • Indentations and / or elevations can hide differences in height between individual surfaces of the components and / or spikes.
  • a V-joint created in this way sets particularly rustic accents, while metal-colored spacers have a noble effect and give the impression of elaborately framed wooden planks.
  • the fact that the extrudate is first connected to the component and then the extrudate is processed increases the accuracy of fit, the strength of the connection and water cannot penetrate into the component because of the excellent marginal fit,
  • FIG. 2 shows the plate from FIG. 1 after being provided with extrudate
  • FIG. 7 two components connected according to the invention in a second embodiment
  • the left end face 42 of the board 2 has a groove 5b, for example, produced by milling.
  • the inner surfaces of the groove 5b are therefore formed by the two legs 3 and 4 of equal length, and the groove base 11,
  • FIG. 2 shows the plate from FIG. 1 after the extrudate 40 has been introduced into the groove 5b.
  • the extrudate 1 4 was introduced into the groove in the liquid or soft state and fills it completely, ie up to the groove base 1 1.
  • the extrudate is firmly connected to the plate via the legs 3, 4 and the groove base, since the extrudate in the pores of the plate have penetrated or filled irregularities in the interior of the groove, the extrudate can also be such that it has the property of foaming, if the extrudate is particularly flowable, it should be introduced into the vertical groove 5b from above. This corresponds to a FIG. 3 rotated 90 ° to the right.
  • On the end face 42 there remains an excess of extrusion which forms a nose 41.
  • a spring 6 has been formed from the excess of the extrudate 40 which forms the nose 41 and which, for example, comprises the locking means 7 for connecting to a correspondingly designed groove 5a (not shown),
  • the procedure for forming a spring shown in FIGS. 1 to 3 is exemplary. With the same working steps it is possible to insert extrudate into the groove 5b and then to work an inner groove into this extrudate for connection with a tongue. According to the invention, there are therefore the following options; Forming only the tongue from foreign material, forming only the groove from foreign material, and forming the tongue and groove from foreign material.
  • FIG. 8 shows that the inner contour of the groove 5b can also be shaped as desired, for example by milling, breaking or less precise methods than milling.
  • the filling 40 therefore lies particularly well against the inner contour of the groove 5b, which improves the strength of the connection elevated.
  • the extrudate 40 is positively connected to the interior of the groove 5b of the right panel 1, for example by gluing or filling in the still soft extrudate.
  • the free end 6 of the extrudate 40 has been machined by milling, that there is a positive connection with the correspondingly shaped groove 5a of the adjacent left panel 2, however, according to the invention, a non-positive, releasable connection, not shown, of the end of the extrudate forming the spring 6 with the panel 2 can also be provided.
  • the parts 1, 2 lie with their end faces in the area close to the usable area (eg floor surface) and form a gap 16 in the area on the floor side.
  • FIG. 4 shows an embodiment of the invention in which each of the individual components -! , 2 is provided on its two opposite end faces or on all of its four end faces with grooves 5a and 5b.
  • the components 1, 2 are thus constructed symmetrically with respect to their schematically represented central plane M.
  • the grooves 5a and 5b and the spring 6 of the connecting means 40 are formed in the same manner as described in connection with FIGS. 5 and 6 or in the following description.
  • the mutually engaging projections 7 and depressions 8, which serve as locking elements are adapted to one another and correspond to their cross-sectional shape, the projections 7 and depressions 8 from FIGS. 5 and 6, but it is in principle possible to choose other similar cross-sectional shapes for the locking elements 7, 8 or to choose different angles of inclination of the tongue and groove surfaces with respect to the surface 1 3 of the components 1, 2 than shown, the elasticity of the legs 3, 4 is essential, to lock the locking elements 7, 8, that is, the desired. Snap in to ensure.
  • the locking elements 7, 8 can also engage when the legs 3, 4 of the left panel 1 are not elastic.
  • the groove 5a of the left panel 1 can, for example, have been produced from extrudate or the like, just like the tongue 6, ie, by filling or foaming a groove with a suitable, preferably elastic material and then milling the groove geometry into the original groove 5a brought material. In this case, it is not necessary for the legs 3, 4 of the panel, i.e. the core material, to yield elastically, which gives the connection a better appearance, and dirt and water can penetrate the connection more poorly.
  • the free end ie the spring 6 of the extrudate 40.
  • the relatively wide components 1, 2 shown compressed in their width in FIG. 4 have dovetail-shaped grooves 5a on one of their opposite end faces, in particular on two end faces perpendicular to one another,
  • the components 1, 2, in particular made of wood or plastic, can be provided with coatings 23, 24 in order to obtain corresponding surface values or a corresponding appearance,
  • Groove surfaces or side surfaces 9 of the groove 5a are matched to one another
  • Locking elements 7, 8 are provided. These locking elements are formed by projections 7 and depressions 8, which interact with one another or can be rubbed into one another
  • Recesses 8 and associated projections 7 correspond to one another, so that the locking elements engage in one another, that is to say form a snap-in connection,
  • the locking elements 7, 8 are in engagement with one another.
  • the locking elements 7, 8 are formed in particular over the entire length of the long and / or narrow sides of the components 1, 2,
  • a projection 7 is formed only on the lower spring surface 10, which is received by a recess 8 in the groove surface 9 lying on this spring surface 10.
  • a projection 7 is formed only on one side of the spring 6.
  • the projection 7 is designed in such a way that the spring surface 1 0 runs flat from the front free end region of the spring 6 to a bend which lies at the thickest point of the spring and leads into a rear short surface 17, which in turn leads into a component 2 leading surface 31 merges, from the recess 8 in the groove surface 9 only a portion 30 of the spring surface 10 is received; however, this partial area of the spring surface lies snugly in the recess against the surface 1 8 '; the shorter rear surface 1 7 also lies snugly against the surface 1 7 ′ of the depression 8 which is located towards the groove opening. '
  • the area of the groove surface 9 located outside the recess 8 of the groove leg 3 or close to the groove base is inclined at an angle ⁇ to the surface 1 3 of the two components .
  • the surface 1 0 of the tongue ⁇ that has no protrusion and fits snugly against the facing groove surface 9 is inclined at the same angle ⁇ ,
  • the angle or the inclination, in particular the Front area corresponds to the spring surface 1 0 ', which runs in its front area at a distance from the groove surface 9.
  • the locking element-free spring surface 1 0 lies over the major part of its length on the groove inner surface 9 and, seen from the groove base 1 1, both surfaces approach the surface or useful surface 1 3 of the two components 1, 2 at the angle ⁇ .
  • it is advantageous if the deepening or. Groove in the near-surface groove and tongue surfaces are provided. It is particularly advantageous if corresponding locking elements in both tongue surfaces and both groove surfaces. be provided.
  • the connection is then self-centering, which makes assembly easier and is self-locking in the end position,
  • the cross-section of the projection 7 or, the depression 8 as shown in FIG, 5 is triangular, whereby the triangle sides closer to the groove opening 1 7, 1 7 'shorter and are more inclined than the closer to the bottom of the groove 1 1 situated triangle sides 1 8,' 1 8 '.
  • the longer side 18 of the projection 7 slides on the inner edge or * a bevel 25 'of the groove leg 3 formed in this area until the projection 7 has overcome this inner edge surface 25' and from which Well 8 is added. This locks the components by snapping them into place.
  • protrusions 7 or depressions 8, in particular symmetrical protrusions 7 or depressions 8, and recesses 8 adapted to these ' protrusions 7 or depressions 8 ' and protrusions are formed on the two opposite tongue surfaces 10 , or that groove 5 ⁇ and 6 spring Schw ⁇ lbenschw ⁇ nziform 'are formed and adapted to each other.
  • This embodiment enables a double locking of the two components 1, 2, wherein such a locking can also be easily released by pulling the two components 1, 2 apart or pulling them apart in the plane they span. The widening of the legs 3, 4 can be supported by rotating the components against one another,
  • the longer triangular side 1 8 or the surface of the projection 7 formed by this side merges with the formation of a bend 1 9 in the front region of the spring surface 1 0; the region of the groove surface 9 near the base of the groove and this front region of the spring surface 10 lie just as well as the projection 7 and the recess 8; In this way, a very exact connection of the components 1, 2 can be achieved and at the same time it is ensured that the end faces of the components 1, 2 abut against one another or are brought closer to one another under pressure, so that a gap between the components 1, 2 on the usable surface 1 3 or, a removal of the components 1, 2 is avoided in the course of their use,
  • the region of the groove surfaces 9 close to the groove base and the region of the spring surfaces 10 close to the free end of the spring 6 have the same angle of inclination ⁇ .
  • the angle a which the surfaces 1 8 of the protrusion or the surfaces 1 8 'of the recess form with the surface 1 3 of the components 1, 2, is greater than the angle ⁇ 25 'inclined to the surface 1 3 of the two components 1, 2,
  • the angle beta at which the shorter sides of the triangle 1 7, are inclined 1 7 ', is greater than the angle a and ends with the surface 1 3 of the components 1, 2 • advantageously an angle of between 25 ° to 65 °.
  • the triangular sides 18, 18 'near the base of the groove are approximately four to eight times, preferably five to seven times, as long as the base of the groove
  • the inner end edges of the spring 6 are provided with bevels 12 and / or the inner end edge of the detent-free or locking element-free groove leg 4 is provided with a bevel 29,
  • connection method according to the invention makes it possible and it is intended that the components 1, 2 to be connected to one another lie with their lower surfaces 15 in one plane,
  • a plurality of projections and / or depressions can also be formed on a tongue or groove surface, which further increases the self-locking of the connection in the end position,
  • FIG. 7 explains components 1, 2 in which extrudate 40, 43 also extends up to their surface 1 3 according to the invention. It thus mechanically and optically forms a V-shaped joint 43, 44 between the two end faces 42 of the components along the edges of the Components, the intermediate pieces 43, 44 serve as connecting means, protection and decoration.
  • the right intermediate piece is inserted non-detachably in the groove 5b and at the same time forms the tongue ⁇ , while the left intermediate piece is only applied to the edge 42 of the left component and only partially forms the groove 5a and thus partially as a connecting means 1 7 ', 1 8' serves,
  • the extrusion system can also act directly behind the milling machine, so that immediately behind the extrudate can be shaped into the milling head,
  • the panels which are now equipped according to the invention on the end face of the longitudinal and transverse sides in turn reach the milling system for forming the desired tongue or groove shape.
  • this step can also be carried out continuously directly behind the milling head and / or the extruder.
  • Normal end soaps can also be provided with the extrudate without a groove, as a result of which an operation in the region of this end face can be omitted.
  • the invention is not limited to connecting elements in the form of grooves and tongues. Rather, the tongue and groove connection serves as an example of a type of connection that can be realized either non-positively or positively.

Abstract

La présente invention concerne un ensemble de composants qui peuvent être connectés de manière amovible au moyen de systèmes de connexion, notamment de systèmes de connexion à encliqueter. L'objectif de la présente invention est de pouvoir sélectionner indépendamment les uns des autres des matériaux optimaux du point de vue des exigences et des coûts pour les éléments de structure et pour les éléments de connexion, notamment les ressorts. Cet objectif est atteint en ce qu'au moins un des deux systèmes de connexion (40), notamment le ressort, est constitué d'un matériau différent de celui de chaque composant auquel le système de connexion, notamment le ressort, est connecté de manière fixe. Lors de la production, le composant, notamment une plaque en MDF/HDF, est d'abord fraisé sur les grands côtés et/ou sur les faces transversales, puis la rainure résultante est remplie de produits d'extrusion ou soumise à un moussage et enfin les extrémités libres des produits d'extrusion sont fraisées de façon à former des profilés à ressort.
EP03732391A 2002-07-24 2003-05-16 Procédé de fabrication de pièces interconnectables et ensemble de pièces avec des éléments de connexion Expired - Lifetime EP1527240B1 (fr)

Priority Applications (1)

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SI200331361T SI1527240T1 (sl) 2002-07-24 2003-05-16 Postopek za izdelavo medsebojno povezljivih konstrukcijskih delov in razmestitev konstruksijskih delov s povezovalnimi elementi

Applications Claiming Priority (3)

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DE10233731A DE10233731A1 (de) 2002-07-24 2002-07-24 Anordnung von Bauteilen mit Verbindungselementen
DE10233731 2002-07-24
PCT/EP2003/005139 WO2004015221A1 (fr) 2002-07-24 2003-05-16 Ensemble de composants a elements de connexion

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EP1527240A1 true EP1527240A1 (fr) 2005-05-04
EP1527240B1 EP1527240B1 (fr) 2008-07-02

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EP (1) EP1527240B1 (fr)
CN (1) CN100351480C (fr)
AT (1) ATE399913T1 (fr)
AU (1) AU2003240255B2 (fr)
CA (1) CA2493579C (fr)
DE (2) DE10233731A1 (fr)
DK (1) DK1527240T3 (fr)
ES (1) ES2305464T3 (fr)
PT (1) PT1527240E (fr)
SI (1) SI1527240T1 (fr)
WO (1) WO2004015221A1 (fr)

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ATE399913T1 (de) 2008-07-15
DE10233731A1 (de) 2004-04-08
US20040016197A1 (en) 2004-01-29
US7377081B2 (en) 2008-05-27
WO2004015221A1 (fr) 2004-02-19
AU2003240255A1 (en) 2004-02-25
ES2305464T3 (es) 2008-11-01
CA2493579A1 (fr) 2004-02-19
DE50310075D1 (de) 2008-08-14
SI1527240T1 (sl) 2008-12-31
CN100351480C (zh) 2007-11-28
EP1527240B1 (fr) 2008-07-02
CA2493579C (fr) 2010-10-05
DK1527240T3 (da) 2008-10-20
CN1671931A (zh) 2005-09-21
AU2003240255B2 (en) 2009-01-08
PT1527240E (pt) 2008-09-05

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