ES2327502T5 - Floor boards - Google Patents

Floor boards Download PDF

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Publication number
ES2327502T5
ES2327502T5 ES03008103T ES03008103T ES2327502T5 ES 2327502 T5 ES2327502 T5 ES 2327502T5 ES 03008103 T ES03008103 T ES 03008103T ES 03008103 T ES03008103 T ES 03008103T ES 2327502 T5 ES2327502 T5 ES 2327502T5
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Spain
Prior art keywords
tongue
groove
profile
br
lt
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ES03008103T
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ES2327502T3 (en
Inventor
Heinz Kiefel
Franz Schrattenecker
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TILO GmbH
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TILO GmbH
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/04Other details of tongues or grooves
    • E04F2201/041Tongues or grooves with slits or cuts for expansion or flexibility

Abstract

Profile for joining vertically at least two floor elements that are each provided with an upper face (6), a lower face (8), two longitudinal faces and two frontal faces (2, 4), presenting the profile: <br /> <br /> - a groove (10) that is arranged at a first front end (2) of a floor element; <br /> <br /> - a tongue (18) that is made in a second front end (4) of a floor element, and <br /> <br /> - locking elements (56, 58) arranged in the groove (10) and in the tongue (18), which correspond to each other, which determine at least two floor elements to be joined together, in their vertical correspondence; where <br /> <br /> - the locking elements (56, 58) have seating surfaces (60) arranged in an inclined position, and <br /> <br /> - well the tab (18) of the profile or the groove (10) and the tongue (18) can be elastically deformed, where <br /> <br /> - the tongue (18) is made in two parts, where in a first elastic part of the tongue (18b) a first part of a corresponding locking element (56) is located, while the second part of the tongue (18a) has a rigid shape, where <br /> <br /> - a gap (20b) formed from the lower face (8) of the floor element is formed between a first and a second part of the tongue (18a, 18b) characterized in that <br /> <br /> - the hole (20b) runs inclined with respect to the upper face (6) of the floor element.

Description

Floor boards

The invention relates to floorboards. Next, floor coverings are considered as any floor covering in which at least two elements of similar structure are coupled together.

As examples of floorboards claimed within the framework of the invention, there may be mentioned, among others, prefabricated parquets with a wear layer that are made as a floor of a frame floor or a rural house planking. Also included among the floorboards are three-layer boards that are made up of three layers of substantially equal thickness, preferably solid wood or veneer. The floor boards claimed within the scope of the invention are often made up of three layers. Examples include prefabricated parquet with a thin layer of wear of wood or solid wood veneer, an intermediate layer of glued or non-glued bars and a contraction layer of inferior or solid wood veneer. The layers are arranged approximately 90 ° offset with the main fiber direction to achieve maximum dimensional stability. Stratified boards are generally composed of three layers of substantially equal thickness and approximately equivalent quality, of solid wood or veneer. In certain products the veneer or the layers of bars can also be replaced by layers or plates of material derived from the wood.

While previously prefabricated parquet floors or floor boards were offered as products that had to be glued together, the demand for floorboards that can be joined together with positive adjustment without the use of glue has been increasing. While the profiles for the longitudinal faces of the floorboards were developed relatively quickly, there is still a demand for profiles that are especially suitable for joining the floorboards to each other on the front face. The disproportionately high stresses due to the typical contraction and sponge of the wood have to be taken into account at the joints of the front faces, and that the table elements are generally of great length.

The solution proposed in document DE 100 01 076 is known, but due to the deep notches it results in a notable weakening of the floorboard.

It is also proposed in WO 00/47841 to provide the floor panels on all sides with a profile in which a joint is proposed to be established perpendicular to the plane of the plate, in which groove and tongue elements are provided. and lock. The blocking elements try to have a horizontal seating surface to prevent the displacement of the floor panels in a direction perpendicular to the plane of the plate. The blocking elements must be made elastic. The disadvantage of this solution is that independent components have to be placed or glued that represent part of the blocking elements and that to achieve an exact blockade they must be positioned with great precision. This is very laborious. It is also a drawback that when assembling the locking elements these can be easily damaged if they have horizontal seating surfaces in the manner proposed in WO 00/47841.

From WO 01/98604 A1 as well as DE 200 08 708 U1, other profiles according to the state of the art for joining floor elements are also known. WO 03/016654 A1 discloses a state of the art published below that refers to a panel and a panel fixing system.

It is therefore the objective of the invention to propose a profile for the perpendicular junction of at least two floor panels, which is simple to manufacture and can be operated safely.

This objective is solved by means of a profile according to claim 1 of the invention. The profile for the perpendicular junction of at least two floor elements along a perpendicular plane of motion that are each provided with an upper face, a lower face, two longitudinal faces and two frontal faces has the following design characteristics :

-
 a groove that is made on a first front face of a floor element;

-
 a tongue that is made on a second front face of a floor element, and

-
 corresponding blocking elements arranged in the groove and the tongue that fix at least two floor elements that try to join each other, in their vertical correspondence, and also have

-
 the blocking elements are inclined seating surfaces, and

-
 either the profile tongue or the groove and the tongue can be elastically deformed, where

-
the tongue is made in two parts, where in a first elastic part of the tongue a first part of a corresponding locking element is located, while the second part of the tongue is

rigid where

-
 a hollow is formed from the bottom face of the floor element, between the first and the second part of the tongue,

-
the gap is inclined with respect to the surface of the floor element and the plane of movement of the process of joining the floor elements, whereby the first elastic part of the tongue is elastically configured starting from a wide base near the upper face of the floor element narrowing towards the free end.

These elements generally made as an interlocking heel and the corresponding recess act respectively together and fix the floor elements in a predetermined position with each other. Generally, in the profiles to be closed perpendicularly they prevent the movement perpendicular to the plane of the floor element or the surface of the floor element. The blocking elements that correspond to each other have for this reason a common seat line or surface. Unlike horizontal seating surfaces, that is to say that they run parallel to the upper face of the floor element, a simple inclined seat surface is sufficient to ensure a secure lock. At the same time, an inclined seat surface allows for a simpler assembly of the profile and therefore of the floor element, without forcing the locking elements.

The possibility of elastic deformation of the tongue or of the tongue and the groove, that is to say the deviation of the tongue or the groove and the tongue when assembling the profile or the second floor element also contributes to not forcing the elements of lock or groove and tongue. The deviation of the tongue or the groove and the tongue does not force the corresponding locking elements when they are coupled together when assembling the floorboards.

The elements or boards for floors that are to be joined together are particularly effectively fixed in their respective horizontal position if the groove and the tongue are made conically. This positive profile adjustment joint fixes the two floor boards easily and safely. The taper of the groove and the tongue can be maintained even if the corresponding locking elements or special embodiments of the groove and the tongue must be provided. It is enough that the groove and the tongue are made at least in sections to obtain a conical coupling.

According to an advantageous embodiment, the tongue of the profile is realized in such a way that when assembling the profile, it deviates so that once the coupling between the groove and the tongue is made, it returns to its initial position. This elasticity can be achieved by machining the gap necessary for the coupling of a lip of the groove to a depth such that the remaining joint bridge with the profile or floor element allows the tongue to deviate. This embodiment is advantageous because on the one hand there is no deviation from the lower side of the profile, so that it is not necessary to take measures that allow this deviation towards the lower layer of the floorboards. On the other hand, this embodiment results in the formation of undesirable separation joints between the front sides of a few second floor elements being prevented.

According to the invention, the tongue of the profile is made in two parts. A first part of the tongue is made in an elastic manner but a second part of the tongue is rigid. In the first elastic part of the tongue a first part of a corresponding locking means is located. The great advantage of the bipartite tongue is that the deformation processes when assembling the profile do not result in the groove or the tongue or parts thereof moving over the upper face or the lower face of the floor elements when assembling

In general, the first elastic part of the tongue can be made in such a way as to allow deformation and deflection during the assembly of the profile. But according to the invention, a gap is created between the first and the second part of the tongue which allows the first part of the tongue to be deflected towards the second part of the tongue. This configuration can be prepared by usual tools and procedures, for example by milling. According to the invention, the gap passes in an inclined direction referred to the upper face of a floor element. The exact configuration of the hole can be chosen according to the material used in the profile and in relation to the same profile.

An embodiment of the profile according to the invention by means of which a simple assembly of the front faces of the floor elements without separation joints can be guaranteed is carried out in such a way that the tongue has a first part of a corresponding element. which can be coupled with a second part of the corresponding blocking element. This second part of the corresponding locking element is located in a short free lip of the groove and is oriented towards the tongue.

The profile according to the invention requires that the material have a certain elasticity. For the manufacture of the above-described profile, materials having acidity such as eg high density fiber boards or materials with low bending resistance such as chip boards are not suitable. For this reason it is preferred that plastic, solid wood or plywood be used to manufacture the profile. These materials present not only

Good machining possibilities with known tools but also sufficient elasticity to ensure the safe operation of the profile.

According to need, the additional module according to the invention can be prefabricated, either as an independent component to be applied later on the front sides of the floor elements, for example by gluing it into a groove in the front face. If the material of the floor element is suitable, for example in the case of a table for solid wood floors, then the profile according to the invention can be milled integrally of the material of the floor element.

Within the framework of the invention, other profiles are proposed which are suitable for joining together mainly the front ends of the floorboards.

Referring to the attached Figures, the concepts used in the description of some examples of realization of the profiles proposed according to the invention are explained previously. The figures show:

Fig. 1a a groove and tongue-shaped profile, in particular for the front end of a floorboard;

Fig. 1b a groove and tongue-shaped profile according to Fig. 1a, when assembling the floorboards;

Fig. 1c the profile according to Fig. 1a, 1b in assembled state;

Fig. 2a a second example of a groove and tongue-shaped profile, in particular for the front end of a floorboard;

Fig. 2b the profile according to Fig. 2a, when assembling the floorboards;

Fig. 2c the profile according to Fig. 2a, 2b in assembled state;

Fig. 3a a third example of a groove and tongue-shaped profile, in particular for the front end of a floor board;

Fig. 3b the profiles according to Fig. 3a when assembling the floorboards;

Fig. 3c the profiles according to Fig. 3a, 3b in assembled state;

Fig. 4a an exemplary embodiment of a groove and tongue-shaped profile, in particular for the front end of a floor board;

Fig. 4b the profile according to Fig. 4a, when assembling the floorboards;

Fig. 4c the profiles according to Fig. 4a, 4b in assembled state;

Fig. 5a a fifth example of a groove and tongue-shaped profile, in particular for the front end of a floor board;

Fig. 5b the profile according to Fig. 5a when assembling the floorboards;

Fig. 5c the profile according to Fig. 5a, 5b in assembled state.

Figs. 1, 2, 3, 5 and 6 represent examples of embodiments intended to facilitate the understanding of the invention, but which are not the subject of the invention.

Fig. 1a shows a grooved front end 2 of a floor board 1 as well as a tongue-shaped front end 4 of a floor board. As will be explained below, after the placement of the floorboards, a grooved front end and a tongue-shaped front end of two floor boards are always coupled together. Accordingly, a floor board 1 respectively has a first groove-shaped first end 2 and a second tongue-shaped second end 4. The floor board has a three layer structure. The dashed lines in the figures indicate the three layers of the floorboard. On the upper face 6 wears a wear layer. The lower face 8 of the floor board can be of any material.

The slot-shaped front end 2 has a groove 10 with a long lip 12 and a short lip 14. The lips 12, 14 of the groove 10 are joined together through the base 16. The groove 10 is machined from the upper face 6 of the floor board 1, usually by milling.

The tongue-shaped front end has a tongue 18 that is separated from the front surface 22 of the floor board 1 by a gap 20. The tongue 18 is machined from the bottom face 8 of the floor board 1, usually by milling

From Fig. 1b it can be deduced that when the groove 10 and the tongue 18 are assembled, the free surface of the long lip 12 and the free surface 24 of the tongue 18 face each other. The free end 26 of the tongue 18 is oriented towards the base 16 of the groove 10. The short lip 14 of the groove 10 penetrates the recess 20 of the front end 4 which is in the form of a tongue.

Fig. 1c shows the grooved front end 2 and the tongue-shaped front end 4 of the floor boards 1, coupled together. The surface 28 of the tongue 18 oriented towards the recess 20 is attached against the surface 30 of the short lip 14, oriented towards the long lip 12. The free end 26 of the tongue 18 is oriented towards the base 16 of the groove 10, but it does not necessarily sit on the base 16. The free end 32 of the short lip 14 is oriented towards the base surface 34 of the gap 20, but does not necessarily settle on the base surface 34.

At that point where the tongue 18 sits on the surface 30 of the short lip 14 with its surface 28 oriented towards the gap 20 a pressure surface 36 is formed. Starting from the pressure surface 36 a pressure force is exerted against the surface of seat 38, which is caused because the groove-shaped front end and the tongue-shaped front end 2, 4 of the floor board 1 are attached to each other by the upper face 6. Both the pressure surface 36 and also the seating surface 38 can be punctual or linear. But preferably the surfaces 36, 38 are effectively two-dimensional surfaces.

To facilitate the assembly of the front ends 2, 4 of the floor boards 1, the free end 26 of the tongue 18 is narrower than the base 16 of the groove 10. To facilitate the assembly of the front ends 2, 4, the free end 26 of the tongue 18, the free end 32 of the short lip 14 of the groove 10 as well as the base surface 34 of the gap 20 in the transition with the adjacent surfaces are respectively made with rounded or killed or chamfered edges. Consequently, the front surface 22 of the recess 20 and the closing surface 40 of the short lip 14 of the groove 10 are spaced apart from each other after the assembly is carried out.

In order to achieve a seat surface 38 as large as possible, the free surface 24 of the tongue 18 is made so that in a first section 42 in the area of the upper face 6 of the floor board 1 it protrudes more than in a second section 44 in the area of the intermediate layer 46 of the floor board 1. Accordingly, the outer surface of the long lip 12 of the grooved front end 4 has in the area of the upper face 6 of the table of the I ground a first section 48 that is more notched than the base 16 of the slot 10. Next to this first section 48 follows, towards the base 16 of the slot 10, a second section 50 that runs substantially perpendicular to the base 16 of the slot 10.

Fig. 1c shows that sections 42, 44 and 48, 50 are machined corresponding to each other. In this way, the assembly of the two front ends 2, 4 is greatly facilitated.

Fig. 1c further shows that the seating surface 38 is well defined. Since the seating surface 38 essentially determines the optical appearance and the qualitative impression of the floorboards once placed, the desired impression that customers associate with high quality wooden floors is transmitted, as they are short of separation, by means of profiles that are extraordinarily simple to manufacture.

The above-explained embodiments of the profiled floor boards 1 result in a surprisingly secure groove and tongue configuration with a surprisingly secure joint and of tight joints between the front ends of two floor boards that are coupled to each other. At the same time and due to the generation of pressure forces, the floorboards are prevented from running in a vertical direction, relative to the upper or lower face of the floorboards after assembly.

Fig. 1a shows an embodiment of the profiled floor boards in which by means of the configuration of the tongue 18 the pressure force is applied against the seating surface 38, to prevent the frontal surfaces 2, 4 can be moved in a vertical direction, thanks to a bipartite tongue 18a, 18b.

From the bottom face 8 of the floor board 1 a first gap 20a is machined, following which there is a first tongue 18a. The tongue 18a has a surface 28 oriented towards the recess 20 that after assembling the floor boards 1 becomes coupled with the surface 30 of the short lip 14 oriented towards the long lip

12. The first tongue 18a is made in such a way that by assembling the front face 2 in the form of a groove and the front face 4 in the form of a tongue barely deviates. After the free end 52 of the tongue-shaped front face 2, the tongue 18a then follows a gap 20b, which is limited towards the free end 52 by a second tongue 18b. The hole 20b is closer to the upper face 6 of the floorboard 1 than the hole 20a.

The tongue 18b can be deflected with respect to the tongue 18a when assembling the front ends 2, 4 (see Fig. 1b). Towards the gap 20b, the tongue 18b has a straight surface 54. Towards the free end 52, the tongue 18b is provided at its free end 26 with an interlocking heel 56.

The groove 10 is provided in the area of the long lip 12 with a bolt 58 under which the interlocking heel 56 of the tongue 18b fits, after assembling the floor boards 1. This is obtained after

assembling the grooved front face 2 and the tongue-shaped front face of the floor boards 1, in addition to a first seating surface 38 a second seating surface 60, which however has an inclined orientation with in relation to the upper face or lower face 6, 8 of the floor board 1 (see Fig. 1c). By means of the seating surface 60 it is prevented that the floor boards 1 can move from each other. The gap 20b is sized in such a way that, when assembling, the tongue 18b can be deflected by the bolt 58. The assembly, without a joint between the front ends in the form of a groove 2 and in the form of a tongue, ensures the same that in the previously described embodiments of Figs. 1-3 by the tongue 18a and the short lip 14 by means of which the pressure surface 36 is formed.

The embodiment shown in Figs. 2a to 2c is especially advantageous for floor boards that have to be assembled and re-separated several times, for example for temporary placement floors in trade fair and exhibition buildings. This is an embodiment that has been developed starting from the variant represented in Figs. 1a to 1c.

The groove-shaped front end 2 has a groove 10 whose groove bottom 16 is made relatively flat, so that a thicker layer of material remains on the bottom face 8 of the floorboard 1. Correspondingly, the short lip 14 of the groove 10 has a lower height relative to the bottom of the groove 16 than in the embodiment shown in Figs. 1a to 1c. In relation to the thickness of the floor board 1, the short lip 14 of the groove 10 preferably does not protrude into the upper half of the floor board 1. The long lip 12 is equipped with a bolt 58 which after assembly the corresponding ends of the floorboards are coupled with an interlocking heel 56 of the tongue 18b.

The tabs 18a and 18b are made in correspondence with the dimensions of the groove 10. The gap 20a is made with less depth, taking into account the reduced height of the short lip 14. This favors the stability of the floor board. In contrast, the gap 20b is cut to a depth that has not undergone modifications to allow the deviation of the tongue 18b when assembling the floorboards (see Fig. 5b).

Fig. 2c shows the floor boards after assembly. The pressure surface 36 and the seating surface 38 are attached by way of a cone. The locking heel 56 and the latch 58 are attached to each other on the second seating surface 60. A gap 62 is provided between the tongue 18b and the groove 10, below the second seating surface 60. The tongue 18b is correspondingly sized short. This facilitates on the one hand the assembly and disassembly of the floorboards, and on the other hand, unnecessary and undesirable tightening or friction caused by dust or grinding or milling residues in the groove 10 is avoided.

The tongue 18a also rests on the bottom of the groove 16 with a seating surface 64 of relatively small dimensions. The seating surface 64, and this is also valid for all the profiles described above, only has dimensions such that it ensures the height alignment of the floorboards. Otherwise, a free space is provided under the tongue 18a, towards the bottom of the groove.

Despite the complex subdivision of functions, the profile of the floorboard shown in Figs. 1a to 1c and 2a to 2c is relatively simple to manufacture. Only a few easy-to-make beadcuts must be machined.

It should be noted that the separation of functions (ensure against a longitudinal displacement of the floorboards and ensure against a height displacement of the floorboards), described above and considered essential for the invention, carried out according to the principle of the Pressure of cones on the one hand and the interlocking by means of a tongue on the other hand, can also be performed with a completely different arrangement of the profile. For example, it can be imagined that the interlocking takes place in the area of the short lip of the groove, or that an interlocking takes place between the short lip of the groove and the tongue-shaped front end of the floor board:

Fig. 3a-c show a profile in which the interlocking has been improved because now the joint between the floorboards is not opened when assembling. In this profile, a block 66 is inserted in the bottom of the groove, in which after assembly it seats the tongue 18a with a pressure surface 36. After assembly, the tongue 18a also forms a seating surface 38 with the long lip 12 of the front end 2 in the form of a groove, so that the conical tightening is secured to ensure against horizontal displacement. The tongue 18b is interlocked between the block 66 and the short lip 14, whereby after the assembly of the floorboards a second seating surface is formed between a bolt 58 on the side of the short lip 14 oriented towards the block 66, and an interlocking heel 56 in slot 18b.

Fig. 4a-c show an embodiment of the profile according to the invention that is similar to the first embodiment. However, the gap 20b is not arranged perpendicularly to the surface 6 of the floor element 4, but in an inclined position forming approximately an angle of 25 °. The elastic tongue 18b is correspondingly made starting from a wide base near the face

upper 6 of the floor element and closing tightly towards the free end 26b, elastically.

Fig. 4b clearly shows the deflection of the elastic tongue 18b when, when assembling the floor elements 2.4 facing each other, the locking elements to finally be coupled along the inclined seat surface 60, as shown Fig. 4c.

The embodiment shown in Fig. 4a-c clearly shows that a narrow gap 20b is sufficient for the elastic deviation of the tongue 18b to be possible.

The tongue 18a is rigid. Unlike the elastic tongue 18b, the rigid tongue 18a has a widened free end 26a in relation to the width of the base, near the upper face of the floor element 4. This favors the effect of the cone formed by the correspondence between the pressure surface 36 and the seating surface 38, and which prevents horizontal separation of the floor elements 2, 4 with respect to the plane of the upper face

6.

Fig. 5a-c show a profile that facilitates the understanding of the invention but is not the subject of the invention, in which the corresponding locking elements are not arranged, as usual, on the free surface 24 of the tongue. or of the long lip 12 of the groove. Instead, a projection on the surface 28 oriented towards the recess 20 has been made in the tongue 18. The corresponding recess is made in the short, free lip 14 of the groove, above the pressure surface 36. Once Once the assembly is made, the projection and the recess are coupled after assembly (Fig. 5c) along the seating surface 60, inclined with respect to the upper face of the floor element 4.

This embodiment offers the advantage that it guarantees a seat almost free of a separation joint between the front ends of two floor elements that are coupled.

In the event that the material, in particular the intermediate layer of the floorboard, does not allow machining the profiles according to the invention, the following procedure can be applied:

When placing the central layer, the length of the tables to be produced is known. In the area of the front ends of each one a high quality material is inserted instead of the material that is not suitable for the production of the profiles, and that allows the profile to be machined. This material can be wood, plastic, metal or other material suitable for the manufacture of the profile and to absorb the forces that occur. In this way it is possible to profile the front ends of the floorboards according to the invention.

Alternatively, a recess can be created after fabricating the floorboards that are still not machined at the front ends, into which the material described above is introduced, suitable for manufacturing the profiles, and joins the floorboard. Also in this way a profiled front end of the floor board is prepared.

Finally, a material that is already profiled can also be introduced in the procedure described last.

The proposed joint according to the invention has a seating surface between the groove-shaped front end and the tongue-shaped front end of the floorboard in the area of the wear layer as well as a pressure point that is located in the area between the base of the groove and the short lip of the groove, which is located at the front end of the floorboard and on the one hand sits against the groove. By means of the pressure point that is formed between the groove and the short lip of the groove, when the corresponding front ends of the floorboards are coupled together, it is ensured that the seating surface between the groove-shaped front end and the tongue-shaped front end of the two floorboards is subjected to a pressure load, so that the possibility of forming an interstitium or that the two floorboards are released is excluded. After assembling, the tongue penetrates the groove in a conical manner by exerting pressure, thereby fixing the floor boards to each other. This form of conical tightening is simple and effective.

According to a preferred embodiment of the invention, the front surface of the tongue that is oriented towards the groove-shaped front end is provided with a step. The largest cantilever is presented by the seating surface that is arranged on the long lip of the groove, in the area of the wear surface. Below the seating surface, towards the free end of the tongue, the front surface of the tongue is made narrower so that a recessed step is formed. The surface of the long lip of the groove facing the tongue has a corresponding shape. A protrusion is formed under the seating surface whose dimensions correspond approximately to the dimensions of the recessed step of the tongue.

In the embodiment described above, the seating surface is made especially wide, so that the requirement of guaranteeing a connection of the floorboards to each other free of interstices by the front end is safely met.

The above description refers mainly to the realization of the front ends of floorboards. But if necessary, the longitudinal sides of the floorboards can also be made correspondingly.

Claims (4)

  1.  CLAIMS
    1.- Profile to vertically join at least two floor elements along a perpendicular plane of motion that are each provided with an upper face (6), a lower face (8), two longitudinal faces and two front faces (2, 4), presenting the profile:
    5 - a groove (10) that is arranged at a first front end (2) of a floor element;
    -
     a tongue (18) that is made at a second front end (4) of a floor element, and
    -
     blocking elements (56, 58) arranged in the groove (10) and in the tongue (18), which correspond to each other, which determine at least two floor elements to be joined together, in their vertical correspondence ;
    10 where
    -
     the locking elements (56, 58) have seating surfaces (60) arranged in an inclined position, and
    -
     either the tongue (18) of the profile or the groove (10) and the tongue (18) can be elastically deformed, where
    15 - the tongue (18) is made in two parts, where in a first elastic part of the tongue (18b) a first part of a corresponding locking element (56) is located, while the second part of the tongue (18a ) is set to rigid, where
    -
    a gap (20b) extracted from the lower face of the floor element is formed between the first and the second part of the tongue (18a, 18b)
    20 characterized because
    -
    the hole (20b) runs inclined with respect to the upper face (6) of the floor element and the plane of movement of the process of joining the floor elements, whereby the first elastic part of the tongue (18b) is shaped elastically starting from a wide base near the upper face (6) of the floor element narrowing towards the free end (26b).
    2. Profile according to claim 1, characterized in that the groove (10) and the tongue (18) are made to make a positive coupling, in particular made with taper.
  2. 3. Profile according to claim 1, characterized in that the tongue (18) is made in such a way, in particular attached to a base body of the profile or to the floor element, that when the profile is assembled the tongue (18) is deflected ).
    Profile according to claim 1, characterized in that the tongue (18) has a first part of the corresponding blocking element (56) that can be coupled with a second part of the corresponding blocking surface, the second part of the corresponding locking element in a short lip and free of the groove (10), and is oriented towards the tongue (18).
  3. 5. Profile according to claim 1, characterized in that it is made of plastic, solid wood or plywood.
  4. 6. Profile according to claim 1, characterized by being manufactured as an independent prefabricated component, or because it is manufactured as a machined integral profile in the same floor element.
ES03008103T 2002-04-05 2003-04-07 Floor boards Active ES2327502T5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE10215139 2002-04-05
DE10215139 2002-04-05

Publications (2)

Publication Number Publication Date
ES2327502T3 ES2327502T3 (en) 2009-10-30
ES2327502T5 true ES2327502T5 (en) 2013-03-14

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AT434095T (en) 2009-07-15
ES2327502T3 (en) 2009-10-30
EP1350904B1 (en) 2009-06-17
EP1350904A2 (en) 2003-10-08
EP1350904A3 (en) 2003-12-17
DE50311595D1 (en) 2009-07-30
EP1350904B2 (en) 2012-10-24

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