• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:BE1020316A3
    申请号:E2011/0106
    申请日:2011-02-17
    公开日:2013-08-06
    发明作者:
    申请人:Unilin Bvba；
    IPC主号:
    专利说明:

    Composite element and corner connection are used.
    This invention relates to a composite element, as well as to a corner joint that is used.
    More specifically, the invention contemplates a composite element which comprises at least two panel-shaped elements, which are mutually coupled to each other and can be coupled to each other, whether or not with the aid of an intermediate piece. The invention herein relates to any form of composite element which comprises at least two or more panel-shaped elements, irrespective of the field of application, and irrespective of whether the composite element consists essentially solely of the panel-shaped elements, or whether these panel-shaped elements form only a part thereof.
    Although the invention can be used in any application, it is primarily intended to be used in the furniture sector, both with loose furniture and with built-in furniture, such as dressing furniture, room dividers, and the like.
    More particularly, the invention contemplates connections between panel-shaped elements that can be easily realized and are suitable for use with furniture that is sold in disassembled condition and must be assembled by the buyer himself. This concerns in the first place so-called flat pack furniture.
    Even more particularly, the invention relates to a composite element which comprises two or more panel-shaped elements, each of which has a coupling zone in which coupling parts are present in the form of a profile extending in each case in the longitudinal direction of the relevant coupling zone, preferably in the form of a tooth and a groove, respectively, wherein these profiles allow the panel-shaped elements to be coupled to each other in a locking manner and at an angle. Such a composite element is known, inter alia, from the document DE 20 2009 008 825 UI. The use of such profiles, which are arranged in the panel-shaped elements themselves, and which are designed entirely or largely in one piece, offers the advantage that no separate elements are required for angular connection of the panel-shaped elements, such as for instance metal connecting elements, or at least the use of such individual elements can be kept to a minimum. Another advantage of this is that such profiles can easily be milled in the panel-shaped elements and a continuous locking coupling along the entire corner connection can be realized.
    It is clear that such coupling is subject to forces both during coupling and afterwards. However, since the profiles generally have to be realized in relatively thin panels, and moreover often also have to be suitable for realization in chipboard, which is known to be relatively brittle, the known profiles offer only a limited number of possibilities for optimization.
    The present invention therefore has for its object to improve such a composite element, in particular of the type as described in DE 20 2009 008 825 UI.
    To this end the invention according to a first aspect relates to a composite element, which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, wherein the said connection comprises at least one of the panel-shaped elements a tongue or groove which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; the tooth consisting of a split tooth, with at least a first part and a second part, and a gap between them; and wherein a locking part is present on the outside of at least the above-mentioned first part, characterized in that the gap, viewed in cross-section of the tooth, has at least one side whose course, seen in cross-section, deviates from the main direction which is at the tooth belongs. By making use of a gap of which at least one side has a different course, the advantage arises that a new parameter is created, which offers new possibilities for the optimization of such a coupling.
    In the most preferred embodiment, the second part of the tooth is free of locking parts. This allows the tooth on the second part to always fit smoothly in the groove and the optimization of the engagement and locking can be realized almost exclusively via the second part. According to a variant, the second part of the tooth will have a locking part, but is then less pronounced than the locking part that is present on the first part of the tooth.
    According to yet another preferred feature, the tongue and groove are rotatable, the angle from which they can be rotated into one another forms an inner angle, and of the two aforementioned parts of the tongue, the first part is closest to the inner angle. This allows a smooth pick-up by means of a turning movement.
    More particularly, it is preferable for the tooth to be eccentric with respect to the panel-shaped element to which it is mounted or with respect to the panel-shaped element in which it engages, preferably in the direction of the aforementioned inner corner. Due to the eccentric arrangement, the tooth can be kept further away from the outer corner, so that more material remains available at the outer corner and, consequently, a more massive structure is maintained there, whereby the chance of material parts breaking out is reduced. The eccentric arrangement towards the inner corner also allows the tooth to be swiveled more quickly into the growth pot.
    According to another preferred characteristic, the tooth is constructed such that the first part of the tooth projects further than the second part of the tooth. The advantage is that the first part then offers sufficient space for the locking part, while the second part is kept smaller in order to allow a smooth rolling movement and / or to allow more material to exist at the location of the groove.
    According to the invention, it is preferable that at least the side of the gap located at the first portion has a course that deviates from the above-mentioned main direction. Hereby it is obtained that the properties of the first part of the tooth, both in terms of strength and elasticity, can be influenced and that thus the advantage arises that new parameters are created for the constructor, in order to realize a coupling in function of the intended result. This is of great importance in the first part of the tooth, since it has the most important locking part, and its elastic mobility, as well as its stability, determine the proper functioning and the strength of the coupling. More specifically, it is preferable that the aforementioned side approaches inwardly into the gap towards the plane defined by the surface of the panel-shaped element located on the same side of the first portion of the tooth. Hereby is obtained that the end of the first part remains relatively massive and strong, which is useful for the strength of the locking part arranged thereon, while more inwards more elasticity is created which is important for creating a suitable elasticity with which the first part part of the tooth and the associated locking part can be moved. Because both properties are thus determined by the technical form at two different locations, there is also the advantage that the designer can influence these properties independently.
    It is clear that, according to the invention, whether or not in combination with the foregoing secondary features, a gradient can also be assigned on the side of the gap located on the second part that deviates from the above-mentioned main direction. This in itself also offers the advantage that a new parameter is created that can be used by a manufacturer to optimize the technical characteristics of the tongue and groove coupling in function of the desired effect. In this case, too, it is preferable that the relevant side approaches inwardly into the gap towards the plane defined by the surface of the panel-shaped element located on the same side as the first portion of the tooth. Such a course makes it possible, inter alia, to make the base of the second part relatively solid and therefore also stable, but to keep the tip of it slender, such that more space is created at the height of this tip, so that this location can then be reclaimed. taken to make the tip of the first part more stable.
    The sides which, as mentioned above, have a course deviating from the main direction, preferably extend substantially globally obliquely, and more specifically linearly over the majority of their length. More particularly, it is preferable that the slit extends globally at an angle, preferably with parallel sides, more particularly made by an incision. This makes it easy to realize such a side, and even the entire slit, with a saw cutter. Such an obliquely directed and equally wide gap along the length can thus combine at least three advantages, in particular its easy implementation; the optimization of the first part and the optimization of the second part.
    The slit preferably extends deeper than the base of the tooth, and the side or sides that deviate from the main direction will show such a different course at least for the portion of the slit that extends deeper than the aforementioned base. In this way not only the protruding parts of the tooth are responsible for the behavior of the tooth during assembly, but also the more inwardly situated edge part of the panel-shaped element now has an influence on it, with the advantage that further freedoms for the available to the manufacturer. It is furthermore preferred here that the side or the sides that deviate from the main direction show such deviating course at least for that part of the gap that extends deeper than the aforementioned base. In combination with this, it is also preferable that the distance at which the gap extends from the aforementioned base or closing surface, into the panel-shaped element or accessory, is greater than the greatest distance with which the tooth extends beyond the closing surface and / or outside basis.
    It is noted that the tooth is preferably located on the end face of a panel-shaped element and that the surface associated with the tooth is to be understood to mean a surface in which the panel-shaped element is located.
    According to preferred embodiments, the assembled element can have one or more of the following features: the tongue and groove have such a configuration that they can be inserted into each other by a snap movement; the tongue and groove have such a profile that they can be brought into an interconnected state both by means of a turning movement and by means of a movement towards each other, which movement is accompanied by a snap action; the tooth is formed in one piece with a panel-shaped element, and preferably formed from the material itself of a base plate with which the panel-shaped element is formed; the groove is located in the side of a panel-shaped element; the groove is formed in one piece in a panel-shaped element, and is preferably formed in the material itself from a base plate with which the panel-shaped element is formed.
    Furthermore, as regards its material, the composite element preferably has one or more of the following features: the panel-shaped elements consist essentially of a base plate which is a wood-based pressed plate; - the panel-shaped elements consist essentially of a base plate formed of MDF or HDF; - the panel-shaped elements consist essentially of a base plate formed of chipboard; - the panel-shaped elements are formed from a laminated plate.
    - the panel-shaped elements comprise a lightweight plate, optionally with rims made of a different material; the panel-shaped elements are conceived as a hollow plate, or as a plate provided with cavities, for example with a honeycomb core, optionally with rims made of another material.
    The materials mentioned above offer the advantage that they are relatively inexpensive. The use of rims is useful when the plate itself does not allow to form profiles therein, such as for example with honeycomb panels. The edges can then for instance consist of slats in which the desired profiles can be arranged.
    According to a second independent aspect, the invention relates to a composite element, which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, wherein the said connection comprises at least one of the panel-shaped elements a tongue or groove which can co-act with a groove or tooth arranged on the other panel-shaped element or on the intermediate piece, and wherein the tooth consists of a split tooth, thus having at least a first and a first second part and a gap between them, wherein a locking part is present on the outside of only the first part, and wherein the tooth fits into the groove by means of a turning movement, characterized in that the tooth and the groove define a closing surface and the slit extends deeper than this closing surface; that the aforementioned two portions of the tooth define at least two contact points where the tongue and groove are in contact with each other in the mounted state, a first contact point formed by the contact between the first portion of the tooth closest to the closing surface and the groove, and a second contact point formed by the furthest contact from the closing surface between the second portion of the tooth and the groove; and that the first contact point is closer to the closing surface than the second contact point. The advantage of this second aspect will be apparent from the further description.
    It is noted that the closing surface is preferably defined as the side of the panel-shaped element or the intermediate piece in which groove is provided.
    According to a third independent aspect, the invention relates to a composite element, which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the said connection comprises at least one of the panel-shaped elements a tongue or groove which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth consists of a split tooth, with at least a first part and a second part and a gap between them; and wherein a locking part is present on the outside of the first part, while a less pronounced and preferably not even a locking part is present on the outside of the second part; characterized in that the tongue and groove define a closing surface and that the second part of the tooth protrudes with a length outside the closing surface that is smaller than 0.75 times the length with which the first part of the tooth protrudes outside the closing surface. The advantages of this will also be apparent from the further description.
    According to a fourth independent aspect, the invention relates to a composite element, which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the said connection comprises at least one of the panel-shaped elements a tongue or groove which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth consists of a split tooth, with at least a first part and a second part and a gap between them; wherein a locking part is present on the outside of the first part, while a less pronounced and preferably not even a locking part is present on the outside of the second part; wherein the locking member on the first portion of the tooth has a locking surface that cooperates with a locking surface on the groove; and wherein the tongue and groove define a closing surface and the aforementioned slit extends so deep that it extends beyond the closing surface; characterized in that the second portion of the tooth protrudes beyond the closing surface by a length that is less than 1.5 times the average distance by which the locking surfaces are located from the closing surface, and even better by less than 1.4 times this distance. The advantages of this will be apparent from the further detailed description.
    According to a fifth independent aspect, the invention relates to a composite element which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection has a tongue or groove on at least one of the panel-shaped elements which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth consists of a split tooth, with at least a first part and a second part and a gap between them; wherein a locking part is present on the outside of the first part, while a less pronounced and preferably not even a locking part is present on the outside of the second part; the locking part on the first part of the tooth having a locking surface which cooperates with a locking surface on the groove; and wherein the tongue and groove define a closing surface; characterized in that the portion of the first portion of the tooth extending between the closing surface and the locking surfaces has an average thickness that is greater than the average thickness of the second portion of the tooth. Advantages of this will also appear from the further description.
    According to a sixth independent aspect, the invention relates to a composite element, which comprises at least two panel-shaped elements which can be connected to each other at an angle, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection has a tongue or groove on at least one of the panel-shaped elements which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth consists of a split tooth, with at least a first part and a second part and a gap between them; wherein the gap remains free in the coupled state; wherein a locking part is present on the outside of at least one of the aforementioned sections; and wherein the tongue and groove define a closing surface and the aforementioned slit extends so deep that it extends beyond the closing surface; characterized in that, in the coupled condition, the gap extends from the closing surface inwards over a distance that is greater than the greatest distance with which the tooth extends beyond the closing surface. Such an embodiment offers the advantage that a relatively high elasticity can be imparted to one or both parts of the tooth, without the projecting parts of the tooth having to protrude far beyond the closing surface.
    According to a seventh independent aspect, the invention relates to a composite element which comprises at least two panel-shaped elements which can be angularly connected to each other, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection has a tongue or groove on at least one of the panel-shaped elements which can interact with a groove or tongue arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth and the groove can be coupled to each other by means of a turning movement in a locked state; wherein the tooth only has a locking part on one side, this on the side from which the tooth can be rotated in the groove; and wherein the locking member has a locking surface that cooperates with a locking surface on the groove; characterized in that the tongue and groove have a configuration such that when pivoting against the end of the pivoting movement, a force peak must be overcome, such that a force must also be overcome when rolling back apart. The usefulness of this will become apparent from the further description.
    According to a preferred embodiment of the seventh aspect, on the side where no locking part is present, the tooth comprises a part which theoretically overlaps with a part at the groove when swiveling or dismounting, so that a deformation force must be overcome in a dead center
    According to another preferred embodiment of the seventh aspect, the tongue and groove at the level of the locking parts have parts which, due to a theoretical overlap during rotation, provide that a deformation force must be overcome in a dead-end point
    It is clear that the invention also relates to elements intended to form, together with one or more other elements, a composite element according to one of the preceding aspects, wherein it is provided with at least one tooth or a groove as described above. . The invention also relates to corner connections per se, which are designed as described above.
    It is noted that all the aforementioned aspects can be combined at will, insofar as they do not exhibit conflicting characteristics, this according to all combinations that are possible between these aspects. All subordinate features described on the basis of the first aspect can also be used arbitrarily in combination with the second, third, fourth, fifth, sixth and seventh aspect, this also in so far as such combinations do not yield contradictory features.
    It is noted that an elastic element or filler may be present in the aforementioned gap, for example to support the elasticity of the movable first portion.
    Further features of the invention will be apparent from the following description and the appended claims.
    With the insight to better demonstrate the characteristics of the invention, a few preferred embodiments are described below as an example without any limiting character, with reference to the accompanying drawings, in which: Figure 1 schematically represents a composite element according to the invention; figure 2 represents a section on a larger scale according to line II-II in figure 1; figure 3 shows on a larger scale the part which is indicated by F3 in figure 2; figures 4 and 5 show two ways to realize the connection of figure 3; figure 6 shows on a larger scale the part which is indicated by F6 in figure 5; figure 7 represents a section according to line VII-VII in figure 4, only of the panel containing the groove.
    Figures 1 and 2 show an example of a composite element 1 according to the invention, in the form of a piece of furniture, more particularly a cupboard, which is essentially composed of panel-shaped elements which are connected to each other at an angle. The panel-shaped elements generally bear the reference 2, but are designated 2A, 2B, 2C and 2D for distinguishing, in the example forming the right-hand side wall 3, the bottom wall 4, the left-hand side wall 5 and the top wall 6, respectively. Furthermore, this piece of furniture contains a skirting board 7, a back part 8 and two shelves 9-10.
    As can be seen from the different views of figures 2 to 6, the relevant panel-shaped elements 2 have coupling zones 11-12 in which coupling parts 13-14 are present in the form of a profile extending in each case in the longitudinal direction of the coupling zone concerned, these profiles allow that in each case two panel-shaped elements 2 can be coupled to each other in a locking manner and at an angle. In the example shown use is made here of coupling parts 13-14 with profiles in the form of a split tooth 15 which cooperates with a groove 16. Such type of corner connections with coupling parts which per se use a split tooth and are a groove already known per se from DE 20 2009 008 825 UI.
    More specifically, the coupling parts 13-14 are designed primarily as profiles in the form of a tooth 15 and a groove 16 which contain locking parts 17-18 which, in the coupled condition, prevent the tooth 15 and groove 16 from moving apart, more particularly preventing . As shown, these locking parts 17-18 are preferably designed as ribs or edges that form part of the aforementioned profiles.
    As shown, it is preferred here that the tooth 15 is in each case located at a distal end 19 of the respective panel-shaped element 2, more particularly 2D in Figure 3, while the groove 16 is located in the side wall 20 of the other panel-shaped element 2, more particularly 2C in Figure 3, in other words in one of its large planes. The coupling zone 11 is then formed in the example by the front edge of the relevant panel-shaped element on which the tooth is located. The coupling zone 12 then in each case consists of a zone of the other panel-shaped element to which the aforementioned end edge of such panel-shaped element adjoins.
    The tooth 15 consists of a split tooth, with at least two parts 21-22 and a gap 23 between them. The gap is bounded by sides 24 and 25, which are respectively located on the parts 21 and 22, and by a bottom. 26. The aforementioned two sections 21 and 22, hereinafter referred to as first section 21 and second section 22, respectively, have a different length, L1 and L2, respectively in the example shown.
    It is noted that, according to a variant (not shown), the tooth could also consist of more than two parts, for example if an additional material part were to be located in parallel in the gap. The previously intended slit is then, as it were, divided into two slits.
    The outer sides 27-28 of the parts 21-22 shown in the figures co-operate with the side walls 29-30 of the groove 16. The groove 16 furthermore has a bottom wall 31. This bottom wall is, as shown, preferably adapted to the different shapes. lengths L1 and L2, and thus has a deeper portion 32 and a less deep portion 33, whereby additional material 34 is retained at the less deep portion 33. The retention of such a material portion 34 is less important with T-joints, but is important with single corner joints in order to maintain a more stable whole and to prevent the risk of lateral breaking-out of the material bounding the groove. Because of this, it is preferable that the portions 32 and 33 of the bottom wall 31 in the coupled state preferably remain no more than 2 mm away from the furthest distal ends of the portions 21 and 22, in other words the overall shape of the tooth 15 follow.
    A recess 35 is formed in the side wall 29, such that the part in front thereof functions as a locking part 18. The locking members 17 and 18 define locking surfaces 36-37 cooperating with each other.
    The locking part 17 is located on the aforementioned first part 21 of the tooth.
    It is noted that the first part 21 as shown in the figures is provided with the aforementioned locking part 17, while the second part 22 as shown is preferably free of a locking part. Such a construction allows the tooth as shown in Fig. 5 to be easily rotated in the growth can, with a turning movement W, without great forces being generated in the coupling parts. However, the invention does not exclude that a locked part is also present on the second part 22, which is preferably or less pronounced than the locking part 17. Such less pronounced, or therefore smaller, locked part is shown by way of example in broken line in Figure 4. and denoted by reference 38, wherein this locking part is designed as a local protrusion which can cooperate with a recess 39, which is also shown in broken line.
    In accordance with the invention, the slit 23, viewed in cross-section of the tooth 15, has at least one side whose course, seen in cross-section, deviates from the main direction D1 associated with the tooth, and preferably extends obliquely at an angle to relative to the aforementioned main direction D1. In the example shown, even both sides 24 and 25 are inclined, in the example parallel to each other, such that the gap 23 in the tooth extends obliquely to the above-mentioned main direction.
    Here, the side 24 which delimits the first portion 21 of the tooth 15 extends roughly in such a direction with respect to the aforementioned main direction D1 that this side 24 approaches from the distal end of the gap 23 towards the proximal end to the surface 40 located on the same side as the first portion 21 of the split tooth, in other words slanting in such a direction that the first portion 21 and / or the portion of the panel-shaped element to which the first portion 21 is mounted globally diluted towards the proximal end, compared to embodiments where the gap would not be inclined. It is clear that the first part 21 can hereby be moved relatively easily elastically.
    The side 25 of the slit 23 defining the second portion 22 extends generally obliquely with respect to the aforementioned main direction D1, such that this side moves away from the surface 41 from the distal end of the slit to the proximal end that is located on the same side as the second part 22, or in other words this side 25 extends obliquely in the same direction as the side 24. This contributes in the shown example to the base of the first part 22 being more solid and robust is becoming.
    The whole here is preferably designed in such a way that the first part 21, and in particular the locking part 17 thereof, is more easily elastically displaceable than the second part 22, the latter being rather rigid. The smooth elastic displacement of the locking part 17 is obtained because the first part 21 per se is longer than the second part 22, but even more so because the first part 21 connects and is supported by a thin material part of the material 23 cut free by means of the gap 23. the panel-shaped element 2D, namely the portion of the actual panel-shaped element that is located between the side 24 of the gap and the surface 40. Because the side 24 extends obliquely in the direction shown, a relatively thin material part is retained near the most inward end of the gap, which material is furthermore situated at a relatively large distance from the locking part, which results in a smooth elastic bending at the height of this material part promotes.
    It is clear that the "slit" should be understood to mean both the part thereof that splits the tooth and its deeper continuation in the panel-shaped element.
    The global direction of the side 24 and / or the global or average direction D2 of the slit 23 deviates in the example of the main direction D1 by an angle indicated by A1. The size of this angle is preferably between 2 and 20 degrees. In the case of a coupling of normal strength, angles A1 between 2 and 8 degrees will preferably be used, and preferably in the order of magnitude of 4 degrees. If a less rigid coupling is desired, in other words a coupling that can be snapped into each other smoothly, it is preferable to work with angles A1 of 8 to 20 degrees.
    In the example shown, the tooth 15 is located at the end edge of the relevant panel-shaped element. Here, the main direction D1 associated with the tooth is to be understood to mean the direction of the plane in which the panel-shaped element 2D is located.
    As shown, the tooth 15 is located eccentrically with respect to the center plane M of the panel-shaped element on which it is located, the composite element 1 forming an inner angle between the panel-shaped elements at least on the side to which the tooth is eccentrically moved. More specifically, the tooth is generally situated in such a way from the center of the panel-shaped element 1 that it is closer to the side which is against the inner corner 22 than to the opposite side.
    The tooth 15 fits into the groove 16 by means of a turning movement W, as shown in figure 5, wherein the rotated panel-shaped element, in this case 2B, reaches its end position in the right-angled state. The winding movement W takes place along the inner corner side of the composite element shown. The detachment of both panel-shaped elements is effected either by a turning movement in the opposite direction, or by pulling apart or knocking the panel-shaped elements apart in a direction parallel to the tooth.
    It is noted that the panel-shaped elements can also be joined to each other by means of a snap movement, by moving the panel-shaped elements to each other by means of a mutual translation movement S, as shown in Figure 4.
    The tooth 15 herein fits into the groove 16 by means of a snap movement, this by pressing the relevant panel-shaped element with the tooth 15 in its plane towards the groove 16. In the embodiment shown, this is achieved in that the locking part 17 can perform a lateral elastic movement, optionally in combination with a slight elastic compression in the material of the two locking parts 17-18, and this locking part 17 can thus engage behind the locking part 18, this everything whether or not combined with some compression in the material of tongue and groove.
    The slit 23 preferably has a width equal to or greater than the maximum lateral displacement that the locking element 17 performs with respect to the panel-shaped element to which it belongs during snapping into one another;
    Furthermore, the entrance of the groove 16 has a small insertion angle A2, which is preferably smaller than 40 degrees, and more preferably in the order of magnitude of 30 degrees.
    The tooth is generally conical with conical sides formed by the outside of the second part 22 and the outside of the locking part of the first part 21.
    It is clear that the example shown in the figures represents a tooth 15 and groove 16 which are configured such that they can be brought together by means of a snap movement via a translation and by means of a turning movement, i.e. in two ways, this at the discretion of the engineer. This appears from figures 4 and 5, which respectively show the two coupling techniques for the same form of tongue and groove.
    As shown, the tooth 15 and the groove 16 are preferably made in one piece in the panel-shaped elements, for example by means of milling operations. The tooth 15 is then located at the end edge of the relevant panel-shaped element, while the groove is arranged in the side of the relevant panel-shaped element.
    As shown in the figures, the panel-shaped elements are preferably formed from a coated plate, preferably with a coating layer on both sides 42 and 43, respectively. It is preferably a laminated plate, i.e. a plate which is provided with a laminate coating. In particular, the laminate layer will at least consist of a decorative layer provided with a resin and pressed onto the plate, whether or not in combination with other layers. Examples are HPL (High Pressure Laminate) or DPL (Direct Pressure Laminate). A foil, lacquer layer or the like can also be used, or any other form of coating.
    The base plate itself preferably consists of MDF, HDF or chipboard. Although chipboard is often not as stable as MDF or HDF, and crumbles more easily, chipboard is preferred for furniture, since it is lighter, which is even more important when for aesthetic reasons it is preferred to work with relatively thick walls, for example with a thicker wall. thickness of 18 mm or more. The present invention contributes to the fact that such profiles can also be implemented effectively in chipboard material.
    At the edges, the panel-shaped elements can be provided with a finishing tape 44, for example a laminate tape or a finishing tape made of plastic, for example an ABS tape. Figures 1 and 7 also show that the ends of the teeth and grooves can be hidden from view with the aid of such a finishing tape by passing such a finishing tape over the distal ends of the groove 16, in other words by covering them in a straight line provided, all this as described in DE 20 2009 008 825 U1. Such masking is done at the factory,
    In accordance with the aforementioned second aspect of the invention, a special distribution of support points 45-46 is also used in the example shown, this in combination with a gap 23 extending at least deeper than the projecting parts of the tooth, in other words beyond the closing surface 47. Here, the first contact point 45 is defined as being the contact closest to the closing surface 47 between the groove and the first part 21 of the tooth 15, while the second contact point 46 is defined as being furthest from the closing surface 47 the contact between the groove and the second portion 22 of the tooth. The special feature is that the first contact point 45 is closer to the closing surface 47 than the second contact point 46. As a result, on the one hand, a better distribution of forces is obtained with forces in the coupling. It is also obtained that in intermediate positions when assembling a piece of furniture, in which one panel-shaped element is laid down with the groove 16 upwards, while another panel-shaped element with the tooth 15 facing downwards is arranged in it, that this second panel is obtained does not tend to topple so quickly even when released.
    It is noted that in the coupled state, the closing surface 47 normally consists of the surface which coincides with the panel surface 40 into which the groove 16 opens.
    As shown, at the entrance of the groove 16, on the side from which the tooth is rotated in the groove, a preferably angular cut-out 48 on the edge 49 can be realized, which allows a more rapid rotation.
    The embodiment shown in the figures also applies the third independent aspect of the invention. In connection with this, the lengths of the first portion 21 and the second portion 22 of the tooth 15 are indicated by L1 and L2, respectively, while the distance at which the center of the locking surface 37 within the surface of the respective plate is located is L3 indicated. In accordance with the third aspect, the tooth 15 is split and a locking part 17 is present on the outside of the first part 21, while a less pronounced and preferably not even a locking part is present on the outside of the second part. Still in accordance with the features of the third aspect, the second portion 22 of the tooth 15 with a length L2 protrudes outside the closing surface 47 which is less than 0.75 times the length L1 with which the first portion 21 of the tooth 15 extends outside the protrusion surface 47. By respecting this ratio, the advantage is obtained that, on the one hand, the tooth can be easily rotated, since the second part does not hinder too much, while a sound engagement and locking can be realized on the first part. Also, the less deep part of the bottom wall of the groove can then be made relatively less deeply, so that the wall of the groove becomes particularly sturdy.
    The illustrated embodiment also illustrates the fourth independent aspect of the invention, inter alia in that the slit 23 extends so deep that it extends beyond the closing surface 47 and further in that the second portion 22 of the tooth 15 having a length L2 outside the closing surface 47 which is smaller than 1.5 times the average distance L3 with which the locking surfaces 36-37 are situated from the closing surface. Hereby is obtained that the distance with which the second part 22 protrudes is kept limited with respect to the place where the first part 21 hooks. This limitation excludes the possibility that a protruding projection too far 22 will be experienced as a nuisance during coupling. To ensure a stable coupling, the length L2 is preferably larger than L3.
    Because the embodiment shown also has, inter alia, the feature that the part of the first part 21 extending between the closing surface 47 and the locking surfaces 36-37 has an average thickness T1 that is greater than the average thickness T2 of the second part 22, this embodiment also forms an example of the fifth aspect of the invention. It is clear that due to such a ratio, assuming the same total thickness of the tooth 15, it is achieved that the first part 21 becomes more solid and sturdy, which is important since it carries the locking part and is therefore considerably loaded with forces. It is clear that the fifth aspect particularly comes into its own in embodiments where, as shown, the tooth is positioned eccentrically and the gap extends deeper than the base of the tooth in the panel-shaped element. After all, this results in that, notwithstanding the fact that the first part is per se more stable and more robust, a considerable elastic mobility can still be created, because the first part 21 is then, as it were, extended by the free-cut material part of the panel-shaped element on which the first part 21.
    It is noted that T1 is preferably the average thickness of the portion extending over the distance L1 and / or its thickness measured halfway the length L1, while T2 is the average thickness of the second portion 22 and / or its thickness measured halfway the length L2. Both options can be applied depending on the criteria that the producer wishes to use.
    In accordance with the sixth aspect, the depth, in other words the distance L4, with which the slit 23 extends from the closing surface 47 into the panel-shaped element 2, is greater than the greatest distance L1 with which the tooth 15 extends beyond the closing surface. It is clear that this improves the mobility of the first part 21. Moreover, the occurring deformations can thereby be moved more backwards, so that the tip of the first part 21 is less stressed at deformations at the location of the locking part.
    According to the seventh aspect mentioned in the introduction, the tongue and the groove have such a configuration that when pivoting against the end of the pivoting movement a force peak must be overcome, such that a force must also be overcome when pivoting back again, a revolving movement in which contact is maintained near the edge 49, as indicated by contact points 50 and 51 in figure 6. In this way it is obtained that retaining means or blocking means are integrated into the coupling itself which at least provide a braking effect that the rotation of the tongue and groove and therefore of the panel-shaped elements. This is also useful in mounting, in order to prevent, as mentioned above, from falling down in one intermediate position during the assembly of a piece of furniture, one panel-shaped element, which is then provisionally upright in another, relative to the other.
    As shown in Fig. 6, this can be achieved by providing on the tooth on its side where no locking part is present a part 52 which theoretically overlaps with a part 53 on the groove during pivoting or dismounting so that a force, more particularly a force of deformation, must be overcome at a dead end.
    According to an alternative which is also shown in Figure 6, the tongue and groove at the level of the locking parts can have parts which, due to a theoretical overlap 36A during rotation, provide that a deformation force must be overcome at a dead point.
    It is clear that both options can or cannot be combined.
    The profiles can also be designed in such a way that in the coupled state a tensioning force remains, in particular a so-called pre-stress.
    It is clear that the aforementioned coupling can be used at different places on a composite element, such as a piece of furniture, to realize a corner joint, either a normal corner joint or a T-joint, or even a cross joint. However, this does not mean that all corner connections of such a composite element must be realized as such.
    It is also noted that the invention particularly contemplates embodiments in which the tooth is itself responsible for the coupling effect, and thus in which the tooth remains free of external elements which will act upon the tooth during coupling, such as a wedge or the like which enter into the gap of the tooth is driven, for example as is known from, for example, US 7,654,055. The tooth itself may, however, have elements associated with the tooth which can support the coupling force supplied by the tooth, such as, for example, an elastic strip or mass which is arranged in the gap of the tooth.
    It is further noted that, where applicable, the invention is not limited to corner joints that extend in horizontal directions when mounted, but may also apply to corner joints that extend in other directions, for example the vertical direction. An example of a vertically extending connection, by which is meant that the coupling zones extend in the vertical direction, is obtained, for example, when two side walls of a cabinet are connected to a back part via an angular connection of the present invention, analogously as shown in Figs. 54- 55 of the aforementioned DE 20 2009 008 825 UI.
    It is noted that the term "coupling zone" as used hereinabove must be understood to mean the part of a panel-shaped element in which the aforementioned profiling, for example groove profiling or tooth profiling, extends. This may be both an edge zone, i.e. a zone that is located at or in the immediate vicinity of an edge of the panel-shaped element, and a zone that is clearly removed from the edge of a panel-shaped element, for example when this zone is intended to be a T-coupling between panel-shaped elements.
    It is also noted that, according to the invention, a "composite element" is to be understood to mean both an "assembled" and "to be assembled" condition. This also means, for example, that a flat-pack furniture that has not yet been assembled and packaged, which in the assembled state has one or more of the features of the invention, must also be regarded as a "composite element".
    When use is made of an "intermediate piece", this is an element which is arranged at an angle between two panel-shaped elements, the coupling in question then taking place between at least one of the panel-shaped elements and the intermediate piece. An example of the use of an adapter is shown, for example, in Figure 64 of WO 2010/070605.
    If it is stated that a side of the gap has a different course, this means an essential part of the side of the gap and thus, for example, no rounding, chamfering or the like at the beginning or end of the gap.
    It is noted that a "locking surface" may also be understood to mean a line contact.
    A side which deviates from the main direction D1 can also be understood to mean a side which extends in the form of steps. Also, for example, the side 24 could extend for the greater part parallel to the direction D1 to deflect towards the surface 40 only near the deepest end of the gap.
    It goes without saying that embodiments according to the second to seventh aspect do not necessarily have to have a tooth 15 with an oblique slit 23. In such a case the slit can also run parallel to the relevant main direction D1, for example as indicated by dashed line 23A in figure. 3.
    The present invention is by no means limited to the embodiments described by way of example and shown in the figures, but such assembled elements, and more particularly those parts thereof which are responsible for realizing the aforementioned aspects, can be realized according to different variants without going beyond the scope of the invention.
    权利要求:
    Claims (30)
    [1]
    A composite element which comprises at least two panel-shaped elements (2) which can be angled to each other, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element (2) or on the intermediate piece; wherein the tooth (15) consists of a split tooth (15), thus having at least a first portion (21) and a second portion (22), as well as a gap (23) located therebetween; and wherein a locking part (17) is present on the outside of at least the aforementioned first part (21), characterized in that the gap (23), seen in cross section of the tooth (15), has at least one side (24, 25) the course of which, viewed in section, deviates from the main direction (D1) associated with the tooth (15).
    [2]
    Composite element according to claim 1, characterized in that the second part (22) of the tooth (15) is free from locking parts.
    [3]
    The composite element according to claim 1, characterized in that the second portion (22) of the tooth (15) has a locking portion (38), but is less pronounced than the locking portion (17) attached to the first portion (21) of the tooth (15) is present.
    [4]
    A composite element according to any one of the preceding claims, characterized in that the tongue (15) and groove (16) are rotatable, the angle from which they can be rotated into each other forms an inner angle, and that of the two aforementioned parts of the tooth (15), the first portion (21) is closest to the inner corner.
    [5]
    Composite element according to one of the preceding claims, characterized in that the tooth (15) is eccentric, preferably in the direction of the inner corner mentioned in claim 4.
    [6]
    Composite element according to one of the preceding claims, characterized in that the first part (21) of the tooth (15) protrudes further than the second part (22) of the tooth (15), this preferably measured from a common closing surface (47).
    [7]
    Composite element according to one of the preceding claims, characterized in that at least the side (24) of the slit (23) located on the first part (21) has a variation that deviates from the above-mentioned main direction (D1).
    [8]
    The composite element according to claim 7, characterized in that said side (4) approaches inwardly into the gap (23) substantially toward the plane defined by the surface (40) of the panel-shaped element (2) which on the same side of the first portion (21) of the tooth (15).
    [9]
    Composite element according to one of the preceding claims, characterized in that at least the side (25) of the gap (23) located on the second part (22) has a course that deviates from the above-mentioned main direction (D1).
    [10]
    The composite element according to claim 9, characterized in that said side (25) approaches inwardly into the gap (23) substantially toward the plane defined by the surface (44) of the panel-shaped element (2) which is on the same side as the first portion (21) of the tooth (15).
    [11]
    11. Composite element as claimed in any of the foregoing claims, characterized in that the sides (24-25) which, as mentioned above, have a course deviating from the main direction (D1) extend substantially globally obliquely, and more specifically, viewed in section, over the largest part of their length are linear.
    [12]
    Composite element according to one of the preceding claims, characterized in that the slit (23) extends globally at an angle, preferably with parallel sides (24-25), more particularly made by an incision.
    [13]
    Compound element according to one of the preceding claims, characterized in that the gap (23) extends deeper than the base of the tooth (15), and in that the side or the sides deviating from the main direction at least exhibit such a different course for the portion of the slit (23) that extends deeper than the aforementioned base
    [14]
    Composite element according to one of the preceding claims, characterized in that the gap (23) extends deeper than the base of the tooth (15), and in that the side or the sides deviating from the main direction at least have such a different course for the portion of the slit (23) that extends deeper than the aforementioned base.
    [15]
    The composite element according to claim 14, characterized in that the gap (23) extends deeper than the base of the tooth (15) and / or the closing surface (47) of the composite element (1), and in that the distance (L4 ) with which the gap (23) extends from said base or said closing surface (47) inwards into the panel-shaped element or accessory is greater than the greatest distance (L1) with which tooth (15) extends beyond the closing surface (47) and / or reaches beyond its base.
    [16]
    Compound element according to one of the preceding claims, characterized in that the tooth (15) is located on the end face of a panel-shaped element (2) and that a plane is to be understood as a surface associated with the tooth (15) wherein the panel-shaped element is located.
    [17]
    Composite element according to one of the preceding claims, characterized in that the tooth (15) and the groove (16) have such a profile that they are coupled both by means of a turning movement and by means of a movement towards each other, goes with a snap action, can be brought into an interconnected state.
    [18]
    Composite element according to one of the preceding claims, characterized in that the tooth (15) is formed in one piece with a panel-shaped element (2), and is preferably formed from the material itself of a base plate with which the panel-shaped element is formed.
    [19]
    Composite element according to one of the preceding claims, characterized in that the groove (16) is located in the side of a panel-shaped element (2).
    [20]
    Composite element according to one of the preceding claims, characterized in that the groove (16) is formed in one piece in a panel-shaped element (2), and is preferably formed in the material itself from a base plate with which the panel-shaped element is formed.
    [21]
    A composite element according to any one of the preceding claims, characterized in that the panel-shaped elements (2) have one or more of the following characteristics with regard to their material: - the panel-shaped elements (2) consist essentially of a base plate comprising a wood-based pressed plate; - the panel-shaped elements (2) consist essentially of a base plate formed of MDF or HDF; - the panel-shaped elements (2) consist essentially of a base plate formed of chipboard; - the panel-shaped elements (2) are formed from a laminated plate. - the panel-shaped elements (2) contain a lightweight plate, optionally with rims made of another material; - the panel-shaped elements (2) are conceived as a hollow plate, or as a plate provided with cavities, for example with a honeycomb core, optionally with rims made of another material.
    [22]
    22. Composite element, comprising at least two panel-shaped elements (2) which, with the aid of a locking tongue and groove connection, either directly or indirectly via an intermediate piece, can be angularly connected to each other, said connection being connected to at least one of the panel-shaped elements (2) comprise a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element or on the intermediate piece, and wherein the tooth (15) exists from a split tooth (15), thus having at least a first portion (21) and a second portion (22) and a gap (23) located therebetween, wherein on the outside of only the first portion (21) a locking part (17 ), and in which the tooth (15) fits into the groove (16) by means of a turning movement, characterized in that the tooth (15) and the groove (16) define a closing surface (47) and the gap (23) deeper than this closing surface (47 ) extends; the aforementioned two portions of the tooth (15) define at least two contact points where the tooth (15) and groove (16) are in contact with each other in the mounted state, and a first contact point (45) formed by the closest to the contact between the first portion (21) of the tooth (15) and the groove (16) and the second contact point (46) formed by the contact furthest away from the closing surface (47) between the second portion (22) of the tooth (15) and the groove (16); and that the first contact point (45) is closer to the closing surface (47) than the second contact point (46).
    [23]
    23. Composite element, comprising at least two panel-shaped elements (2) which, with the aid of a locking tongue and groove connection, can be connected to each other, either directly or indirectly via an intermediate piece, at an angle, the aforementioned connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element (2) or on the intermediate piece; wherein the tooth (15) consists of a split tooth (15), thus having at least a first portion (21) and a second portion (22) and a gap (23) located therebetween; and wherein a locking part (17) is present on the outside of the first part (21), while a less pronounced and preferably not even a locking part is present on the outside of the second part (22); characterized in that the tooth (15) and the groove (16) define a closing surface (47) and that the second portion (22) of the tooth (15) with a length (L2) projects beyond the closing surface (47) that is smaller then 0.75 times the length (L1) with which the first portion (21) of the tooth (15) projects beyond the closing surface (47).
    [24]
    24. Composite element, comprising at least two panel-shaped elements (2) which can be angled to each other, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth (15) consists of a split tooth (15), thus having at least a first portion (21) and a second portion (22) and a gap (23) located therebetween; wherein a locking part (17) is present on the outside of the first part (21), while on the outside of the second part (22) a less pronounced and preferably not even a locking part (38) is present; wherein the locking part (17) on the first portion (21) of the tooth (15) has a locking surface (36) cooperating with a locking surface (37) on the groove (16); and wherein the tooth (15) and the groove (16) define a closing surface (47) and said gap (23) extends so deep that it extends beyond the closing surface (47); characterized in that the second portion (22) of the tooth (15) with a length (L2) projects beyond the closing surface (47) that is less than 1.5 times the average distance (L3) at which the locking surfaces (36-37) are located from the closing surface (47).
    [25]
    25. Composite element, comprising at least two panel-shaped elements (2) which can be angled to each other, either directly or indirectly via an intermediate piece, with the aid of a locking tongue and groove connection, the aforementioned connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element (2) or on the intermediate piece; wherein the tooth (15) consists of a split tooth (15), thus having at least a first portion (21) and a second portion (22) and a gap (23) located therebetween; wherein a locking part (17) is present on the outside of the first part (21), while on the outside of the second part (22) a less pronounced and preferably not even a locking part is present; wherein the locking part (17) on the first portion (21) of the tooth (15) has a locking surface (36) cooperating with a locking surface (37) on the groove (16); and wherein the tooth (15) and the groove (16) define a closing surface (47); characterized in that the portion of the first portion (21) of the tooth (15) extending between the closing surface (47) and the locking surfaces (36-37) has an average thickness T1 that is greater than the average thickness T2 of the second part (22) of the tooth (15).
    [26]
    26. Composite element, comprising at least two panel-shaped elements (2) which, with the aid of a locking tongue and groove connection, either directly or indirectly via an intermediate piece, can be angularly connected to each other, said connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element (2) or on the intermediate piece; wherein the tooth (15) consists of a split tooth (15), thus having at least a first portion (21) and a second portion (22) and a gap (23) located therebetween; wherein the gap (23) remains free in the coupled state; wherein a locking part (17) is present on the outside of at least one of the aforementioned sections; and wherein the tooth (15) and the groove (16) define a closing surface (47) and said gap (23) extends so deep that it extends beyond the closing surface (47); characterized in that, in the coupled state, the gap (23) extends from the closing surface (47) over a distance (L4) that is greater than the largest distance (L1) with which the tooth (15) extends beyond the closing surface (47) .
    [27]
    27. Composite element, comprising at least two panel-shaped elements (2) which, with the aid of a locking tongue and groove connection, either directly or indirectly via an intermediate piece, can be angularly connected to each other, said connection being connected to at least one of the panel-shaped elements (2) comprises a tooth (15) or groove (16) which can interact with a groove (16) or tooth (15) arranged on the other panel-shaped element or on the intermediate piece; wherein the tooth (15) and the groove (16) can be coupled to each other by means of a turning movement in a locked state; wherein the tooth (15) only has a locking part (17) on one side, this on the side from which the tooth (15) can be rotated in the groove (16); and wherein the locking member (17) has a locking surface (36) cooperating with a locking surface (37) on the groove (16); characterized in that the tooth (15) and the groove (16) have such a configuration that when pivoting against the end of the pivoting movement a force peak must be overcome, such that a force must also be overcome when pivoting back apart
    [28]
    A composite element according to claim 27, characterized in that on the side where no locking part (17) is present, the tooth (15) comprises a part (52) which theoretically overlaps with a part (53) on the swiveling or dismounting groove (16) so that a deformation force must be overcome at a dead point
    [29]
    A composite element according to claim 27 or 28, characterized in that the tongue (15) and groove (16) at the level of the locking parts (36-37) have sections which, due to a theoretical overlap during rotation, provide that a deforming force in a dead point must be overcome
    [30]
    An element, characterized in that it is an element (2) intended to form, together with one or more other elements, a composite element (1) according to one of the preceding claims, wherein it comprises at least one tooth (15) or a groove (16) as described in these claims is provided.
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    同族专利:
    公开号 | 公开日
    JP2013528442A|2013-07-11|
    JP5959015B2|2016-08-02|
    UA112964C2|2016-11-25|
    WO2011151737A3|2012-01-26|
    RU2580489C2|2016-04-10|
    DK2575542T3|2021-04-19|
    RU2012157079A|2014-07-20|
    WO2011151737A9|2012-12-06|
    ES2874061T3|2021-11-04|
    MY167139A|2018-08-13|
    EP2575541A2|2013-04-10|
    US20130071172A1|2013-03-21|
    BE1019361A5|2012-06-05|
    BR112012030754A2|2016-11-08|
    WO2011151737A2|2011-12-08|
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    法律状态:
    2021-09-30| PD| Change of ownership|Owner name: FLOORING INDUSTRIES LIMITED, SARL; LU Free format text: DETAILS ASSIGNMENT: CHANGE OF OWNER(S), CHANGE OF LEGAL ENTITY; FORMER OWNER NAME: UNILIN BVBA Effective date: 20210723 |
    优先权:
    申请号 | 申请日 | 专利标题
    BE2010/0341A|BE1019361A5|2010-06-03|2010-06-03|COMPOSED ELEMENT.|
    BE201000341|2010-06-03|CN201180027490.9A| CN102917616B|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    DK11743345.8T| DK2575542T3|2010-06-03|2011-05-23|COMPOSITE ELEMENT AND CORNER CONNECTION APPLIED WITH THIS|
    EP11743345.8A| EP2575542B1|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    CA2796588A| CA2796588C|2010-06-03|2011-05-23|Composed element and corner connection applied herewith.|
    BR112012030754A| BR112012030754A2|2010-06-03|2011-05-23|composite element and corner connection applied and attached|
    US13/701,327| US9719542B2|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    RU2012157079/12A| RU2580489C2|2010-06-03|2011-05-23|Assembled element and angular joint used in it|
    ES11743345T| ES2874061T3|2010-06-03|2011-05-23|Composite element and corner connection applied with it|
    PL11743345T| PL2575542T3|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    MYPI2012004675A| MY167139A|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    MX2012013684A| MX359499B|2010-06-03|2011-05-23|Composed element and corner connection applied herewith.|
    JP2013513017A| JP5959015B2|2010-06-03|2011-05-23|Assembly element and corner joint used therewith|
    EP21151518.4A| EP3824765A1|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    PCT/IB2011/052240| WO2011151758A2|2010-06-03|2011-05-23|Composed element and corner connection applied herewith|
    ARP110101929A| AR083629A1|2010-06-03|2011-06-03|CORNER CONNECTION OF AN ELEMENT COMPOSED BY TWO PANEL SHAPED ELEMENTS BETWEEN IF|
    ITMI20110382| ITMI20110382U1|2011-02-17|2011-11-30|COMPOSED ELEMENT AND ANGULAR FITTING APPLIED WITH THE SAME|
    US15/664,283| US10982700B2|2010-06-03|2017-07-31|Composed element and corner connection applied herewith|
    US17/206,644| US20210207637A1|2010-06-03|2021-03-19|Composed element and corner connection applied herewith|
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