DE202015009811U1 - Flooring - Google Patents

Abstract

Floor covering with a multiplicity of floor elements (1), characterized in that a multiplicity of cross-sections designed as through slots are provided in the floor element (1) and extend over less than the width (M) or the length (L) of the floor element (1). extend and the alternately tired in parallel longitudinal edges of the floor elements (1).

Description

The invention relates to a floor covering, in particular an outdoor floor covering according to the preamble of claim 1.

Such a floor covering, which is suitable for outdoor and indoor use, is preferably designed to be removable and can be laid out, for example, in game series such as outdoor basketball tournaments on almost any level sub-floor. After the tournament, the floor is then dismantled and transported to the next venue. In outdoor basketball, both teams play on a single basket. This comparatively young sport is becoming increasingly popular and lucrative tournaments are already being organized by a wide variety of organizers. Removable outdoor sports flooring makes it possible to hold tournaments of this kind in a wide variety of locations with minimal structural requirements. In principle, it must be ensured that a suitable surface is available. Accordingly, tournaments of this type can be carried out practically on any level parking lot, whereby this must at best be leveled with a bitumen layer.

Of course, outdoor floor coverings of this type can also be used in other sports, such as tennis and of course indoor.

Such floor coverings can also be used in other applications, e.g. as terrace covering, in schoolyards or similar suitable applications. Such floor systems can be used both outdoors and indoors.

Standards for basketball floors can be found, for example, in the standard DIN V 18032 - Part 2, April 2001, EN14904 or the current FIBA standard.

Appropriate standards are also known for tennis and other sports.

A sports floor is, for example, in the DE 10 2013 100 051 A1 to the applicant. This sports floor covering has a multiplicity of floor elements, which in turn have a layer of load distribution elements on which a cover layer is applied. The floor elements lie on a damping layer. The cover layer, the load distribution elements and the damping layer are water-resistant.

In this known solution, adjacent floor elements are connected to one another via a suitable locking device.

In the WO 2011/090 499 A1 describes a floor covering in which approximately rectangular floor elements are used, which are designed on their abutting edges with fitting elements which interact with corresponding fitting elements of the adjacent floor element in the sense of locking or centering. These fitting elements can be made in one piece on the base element. Alternatively or additionally, the connection or centering can take place via additional locking elements.

In the known solution, these floor elements form a sub-floor, on which a covering layer is then laid, which in turn consists of rectangular floor tiles.

In the WO 2006/042 221 A3 a sports floor covering is shown, which is formed from multilayer, grating-like plastic elements which have locking elements on their abutting edges.

The WO 2011/094 461 also shows a grid-like floor, which is designed with flexible inserts for stiffening.

In the EP 2 239 024 A2 a shock absorbing floor covering is shown, which is formed with an upper layer and a base. The top layer essentially consists of a rubber granulate, which is preferably obtained during the reprocessing of old tires. The base is designed with a filament cavity body, which is designed, for example, as a filament tangle. The underlay can itself be covered with two fiber material layers towards the top layer and the underbody.

In the GM 77 19 620 describes an outdoor floor covering that consists of a multiplicity of floor elements that are designed with an elastically flexible layer that is applied to a carrier body. The elastic layer consists of a material that is also obtained when plastic waste, for example used tires, is reprocessed.

A problem common to all outdoor floor coverings is that they are exposed to the weather and thus strong temperature fluctuations. These temperature fluctuations are significantly larger than those to which an indoor floor covering is exposed. Since the floor elements of the known floor coverings are often rectangular, with comparatively long longitudinal edges and significantly shorter end edges, there can be considerable dimensional changes, particularly in the longitudinal direction, which lead to the formation of gaps, particularly in the area of the end edges, or to a tooth. Such changes in However, the top surface of sports floors is not permitted due to the considerable risk of injury to the athletes.

In contrast, the invention has for its object to provide a floor covering that can withstand large temperature fluctuations.

This object is achieved by a floor covering with the features of claim 1.

Advantageous developments of the invention are the subject of the dependent claims.

The floor covering according to the invention has a multiplicity of floor elements which have an approximately rectangular base area. A locking profile for connecting the floor elements can be provided on the abutting edges. According to the invention, the base element is designed with a multiplicity of mutually formed channel-shaped or channel-shaped slots, which open out on the cover layer side and on the support side. Alternatively, the slots can also be continuous, whereby they do not penetrate the bottom element completely in the longitudinal direction or in the transverse direction, so that the bottom element is not separated and still has sufficient stability.

The applicant reserves the right to make an independent claim for a floor element designed accordingly.

In other words, the floor elements of the floor covering according to the invention are provided with a slit pattern which opens out on the one hand in the cover layer and on the other hand on the support side. As an alternative, the slots can also be continuous, in which case they then only extend over a partial region of the base element.

By means of this slot arrangement, the problems described at the outset can be reduced to an acceptable minimum due to temperature fluctuations; it was shown in particular that the formation of an over-tooth is reliably avoided.

The slot geometry is chosen so that injury to the athlete through the slot edges is avoided.

The floor covering can have a solid support or a modular support, which preferably has a cover layer or is provided with a structure. The cover layer can be functionalized and decorative in accordance with the application.

As explained below, such a support can be arranged on a load distribution layer, for example to improve the elasticity of the floor, as is shown in FIG WO 2013/120993 A1 or the EP 1 197 611 B1 the applicant is disclosed. The applicant reserves the right to make a divisional application on such flooring.

If the floor elements are made of materials suitable for indoor use, indoor use is also possible. In such applications in particular, the floor provided with a slot arrangement contributes to improved room acoustics.

In one embodiment of the invention, the slots extend over more than half the thickness of the respective floor element. As a result, the slots overlap one another in the vertical direction, as seen from the side edges.

It is particularly advantageous if one slot group crosses the other slot group. I.e. the slits opening in the cover layer cross the slits opening on the support side.

If, in the case of such an intersection, the slot depth is designed in the manner described above in such a way that it extends over more than half the thickness of the base element, then a breakthrough occurs in the intersection area. This breakthrough acts as a drainage opening, so that water or the like can flow downwards.

In a particularly preferred embodiment of the invention, the slots of each slot group run parallel to two of the side edges. Accordingly, one slot group runs approximately parallel to the two longitudinal edges, while the other slot group is arranged essentially parallel to the transverse edges. A diagonal arrangement of the slits is also conceivable and, with an appropriate arrangement, also fulfills a drainage and relaxation function.

The slots of the two slot groups formed on the support side or cover layer side are preferably spaced apart by half a slot spacing, it being assumed that the slot spacing is the same in both groups.

In one embodiment of the invention, the longitudinal longitudinal slots of one slot group are shorter than the longitudinal edge in question and the transverse slots of the other slot group are shorter than the end or transverse edges.

The cross slots can alternately open into the parallel longitudinal edges. In other words, adjacent transverse slots open alternately in one longitudinal edge and in the other longitudinal edge in the case of a rectangular base element with two parallel longitudinal edges.

The longitudinal slots can each be arranged in the area between two adjacent transverse slots, but these are not cut.

The elasticity of the floor element can be further improved if a plurality of transverse slots and / or longitudinal slots are arranged next to one another in the same orientation.

Of course, it is also possible to jointly form through slots and slots opening out on the cover layer side or on the support side.

In one embodiment of the invention, the floor elements are provided on the long side with a profile that enables angling. A hook-like or push-button-like connection can be provided at the end. Instead of profiling, adjacent floor elements can also be connected via fitting elements and / or fixing elements, as are explained in the prior art mentioned above.

In order to fix the floor elements in the predetermined laying position relative to each other, clips can also be provided. These brackets can engage at least in one slot of the floor elements to be connected to one another. In the following, the term bracket includes components that are suitable for connecting floor elements and, for example, have a spring-like, tab-like, plate-like or slide-like structure.

For example, it is conceivable to design a bracket in a U-shape, the two U-legs engaging in the respective slots or in recesses in a non-positive or positive manner.

Alternatively, the clip can be made approximately plate-shaped with angled side sections, which likewise each engage in a slot in the floor elements to be connected.

In the event that an opening is formed through the cutting areas of the slots, the clip can also engage in this area.

In one embodiment of the invention, a tongue-like clip is inserted into a groove along a side edge of the floor element, which in the installed state engages in a corresponding groove of an adjacent floor element in a force-fitting or positive manner.

The clip can stand on both sides beyond the adjacent side edges and thus create a connection to both adjacent floor elements.

In a preferred embodiment, the floor elements of the floor covering are laid on a damping layer. This damping layer can be designed with a similar slit pattern to the floor elements described above.

In a preferred embodiment of the invention, the slot spacing is greater than 5 cm and less than 15 cm, preferably between 10 and 12 cm. The slot width can be, for example, less than 5 mm, preferably about 3 mm.

Of course, other suitable profiles can also be provided for connecting the floor elements along their longitudinal and end edges.

The floor covering is preferably designed as an outdoor floor covering.

• 1 eine Unteransicht eines Bodenelements eines Outdoor-Bodenbelags;
• 2 eine Draufsicht des Bodenelementes aus 1 und
• 3 eine Seitenansicht des Bodenelementes gemäß den 1 und 2 mit zwei Detaildarstellungen;
• 4 einen erfindungsgemäßen Outdoor-Bodenbelag, bei dem benachbarte Bodenelemente mittels einer Klammer verbunden sind;
• 5 eine Prinzipdarstellung dieser Verbindung;
• 6 eine Seitenansicht eines stirnseitigen Verbindungsbereichs zweier Bodenelemente;
• 7 eine Variante, bei der zwei Klammern gezeigt sind;
• 8 eine Abwandlung des Ausführungsbeispiels gemäß 7;
• 9, 10, 11 weitere Varianten mit federartigen Klammern;
• 12 ein Ausführungsbeispiel, bei dem Bodenelemente mittels einer schiebeleistenartigen Klammer verbunden sind;
• 13 der Bodenbelag aus 12, wobei ein Bodenelement transparent dargestellt ist;
• 14 eine Seitenansicht des Bodenbelags aus 12;
• 15 eine Prinzipdarstellung, aus der mehrere Möglichkeiten ersichtlich sind, benachbarte Bodenelemente mittels U-, platten- oder streifenförmigen Klammern zu verbinden;
• 16 bis 20 Varianten von Ausführungsbeispielen mit im weitesten Sinn U-förmigen Klammern;
• 21, 22 Ausführungsbeispiele mit streifenförmigen Klammern;
• 23 ein Ausführungsbeispiel eines Bodenbelags, bei dem benachbarte Bodenelemente über eine plattenförmige Klammer verbunden sind;
• 24 eine vergrößerte Darstellung der plattenförmigen Klammer gemäß 23;
• 25, 26 Varianten einer plattenförmigen Klammer für eine Verbindung gemäß 24;
• 27 eine Prinzipdarstellung eines Bodenelementes einer alternativen Ausführungsform mit Durchgangsschlitzen;
• 28 eine Variante des Ausführungsbeispiels gemäß 27;
• 29a, 29b eine deckschichtseitige bzw. auflageseitige Ansicht eines weiteren Ausführungsbeispiels, bei dem der Bodenbelag mit einer Lastverteilungsschicht ausgeführt ist und
• 30a, 30b Ansichten einer Variante des Ausführungsbeispiels gemäß den 29a, 29b.

Preferred exemplary embodiments of the invention are explained in more detail below with the aid of schematic drawings. Show it:

• 1 a bottom view of a floor element of an outdoor flooring;
• 2nd a plan view of the floor element 1 and
• 3rd a side view of the floor element according to the 1 and 2nd with two detailed representations;
• 4th an outdoor flooring according to the invention, in which adjacent floor elements are connected by means of a bracket;
• 5 a schematic diagram of this connection;
• 6 a side view of an end connection area of two floor elements;
• 7 a variant in which two brackets are shown;
• 8th a modification of the embodiment according to 7 ;
• 9 , 10th , 11 further variants with spring-like clips;
• 12th an embodiment in which floor elements are connected by means of a sliding strip-like clip;
• 13 the flooring 12th , wherein a floor element is shown transparently;
• 14 a side view of the flooring 12th ;
• 15 a schematic diagram, from which several options can be seen to connect adjacent floor elements by means of U, plate or strip-shaped brackets;
• 16 to 20th Variants of exemplary embodiments with U-shaped brackets in the broadest sense;
• 21st , 22 Exemplary embodiments with strip-shaped brackets;
• 23 an embodiment of a floor covering, in which adjacent floor elements are connected via a plate-shaped bracket;
• 24th an enlarged view of the plate-shaped bracket according to 23 ;
• 25th , 26 Variants of a plate-shaped bracket for a connection according to 24th ;
• 27th a schematic diagram of a floor element of an alternative embodiment with through slots;
• 28 a variant of the embodiment according to 27th ;
• 29a , 29b a cover layer side or support side view of a further embodiment in which the floor covering is designed with a load distribution layer and
• 30a , 30b Views of a variant of the embodiment according to the 29a , 29b .

In the 1 to 3rd are views of a floor element 1 of an outdoor floor covering according to the invention 2nd (please refer 4th ). The floor elements 1 consist essentially of plastic or WPC (Wood-Plastic-Compound) or also wood-based materials or mineral-bound boards or combinations thereof. These are preferred in the rectangular shape shown with longitudinal edges 4th , 6 and significantly shorter front edges 8th , 10th executed. These edges are used to connect adjacent floor elements 1 of the flooring 2nd formed with a tongue and groove locking profile. This can, for example, be designed on the long side such that a floor element to be laid 1 is angled to the already installed floor element. The frontal connection is then made via a push-button or hook connection, which is carried out by lowering the front edge in the direction of the front edge of an already installed floor element. Elastic spring elements can also be formed on these end edges in order to effect a horizontal and / or vertical locking. Of course, other types of locking can also be implemented, which are connected, for example, by horizontal displacement or in some other way. Such connection profiles are known from the flooring sector, so that further explanations are unnecessary.

This profiling of the longitudinal edge is, for example, in the detailed representations A , B in 3rd indicated. From these details you can also see that the floor element 1 a carrier 12th has a top layer on it 14 is applied. The carrier 12th can consist of a plastic material such as PC, PP, PS, PVC, HPL, ABS, etc. WPC (Wood-Plastic-Compound) materials or wood-based materials or mineral-bound boards can also be used. The profile described is on the wearer 12th educated. The top layer 14 is selected depending on the respective sport and can in principle consist of a decorative layer forming the visible surface and an overlying wear layer. This top layer 14 can also be provided with elements of the playing field boundary, so that the playing field boundaries are also formed during installation and therefore no additional marking has to be made.

A specialty of the floor covering shown 2nd consists in the fact that a plurality of slits is formed on the cover layer side and on the support side. According to 1 Longitudinal slots open on the support side 16 and cross slots 18th a first slot group 20th while according to 2nd in the top layer 14 a second slot group 22 with longitudinal slots 16 ' and cross slots 18 ' is trained.

The slot depth t or t 'is according to 3rd greater than half the thickness or thickness d of the floor element 2nd chosen so that at the intersection of the longitudinal slots 16 , 16 ' with the transverse slots formed on the other side 18th , 18 ' openings depending on the profile of the slots 21st result, of which in the representations according to 1 and 2nd only one is selected at a time. For rectangular slits like those in the details A , B are created accordingly in the representation according to 1 and 2nd a square breakthrough 21st . The slot width is accordingly B (Detail B ) of all slots approximately the same. Of course, you can also use the top layer and overlay or for the slots running in the longitudinal and transverse directions 16 , 18th , 16 ' , 18 ' different slot widths B be used. In the illustrated embodiment, the longitudinal slots run 16 , 16 ' parallel to the long edges 4th , 6 and the cross slots 18th , 18 ' parallel to the Front edges 8th , 10th . In a special design variant are slot vertices 19th the slots 16 , 18th rounded to reduce notch stresses (detail C. ).

The distances a, b between the transverse slots 18th and the longitudinal slots 16 are preferably approximately the same and in the illustrated embodiment is in the range between 10 and 12 cm. Of course, other dimensions are also possible. The slot width B is, for example, in the range of 3 mm. The slot depth t is approximately 6 mm for a floor element thickness d of approximately 9 mm.

The slots 16 , 18th the first slot group 20th are related to the slots 16 ' , 18 ' the second slot group 22 offset by half the slot spacing a or b.

It was shown that the mutually formed slots caused the dimensional changes of the floor elements resulting from temperature fluctuations 1 be reduced to a minimum so that the formation of joints or over-teeth is minimized or prevented.

4th shows part of a floor covering 2nd with three floor elements 1 , 1' and 1" , the floor elements 1 , 1' along their front edges 8th , 10th are connected. The third floor element 1" is with its long edge 4th with the assigned longitudinal edges 6 the floor elements 1 , 1' connected. As explained at the beginning, this connection can be formed by suitable tongue-and-groove, hook-shaped or push-button-shaped locking profiles, so that the connection can be made by angling, angling (fold down) or by horizontal displacement.

It can be seen that the respective slots of the adjacent floor elements 1 aligned with each other so that, so to speak, a continuous slit pattern is obtained.

The connection between the individual floor elements 1 , 1' , 1" To improve, a connection element can be used in addition or as an alternative to the connection profiles described. This connecting element is used throughout as a bracket 24th designated. These are in accordance with the exemplary embodiment 4th inserted in the frontal connection area and stand on both sides over the longitudinal edges of the floor elements 1 , 1' out and then dip into a slot 16 , 18th or 16 ' , 18 ' or another recess of the adjacent floor element 1" one to the floor elements 1 , 1' , 1" to position relative to each other.

5 shows a schematic diagram in which this type of connection is illustrated. Here are the floor elements 1 , 1' , 1" shown transparently. The breakthroughs can be seen in this representation 21st in the intersection of the slits on the top layer 16 , 18th and the underlay slots 16 ' , 18 ' and the non-positively and / or positively interlocking profiles of the front and longitudinal edges 4th , 6 respectively. 8th , 10th . Here are the floor elements 1 , 1' seen from the support side, while according to the illustration 4th the floor elements 1 , 1' and 1" from the top, with a view of the top layer 14 you can see.

The curly bracket 24th is in the connection area between the front edges 8th , 10th used and stands with the two end sections 26 , 28 over the associated longitudinal edges 4th , 6 out and thus extends into the adjacent floor element 1" inside. Here is the spring-like bracket 24th formed so that it is in an adjacent slot 16 can immerse. The feather-like bracket 24th is designed so that it is preloaded in the slot 16 is present, ie the wave height w (see 5 ) is slightly larger than the slot width B formed so that a clamp connection is made, the bias is maintained even with large temperature fluctuations.

6 shows a side view of the connection area of two end edges 8th , 10th . In the embodiment according to 6 the front profile is designed as a push button profile. Here is for example on the front edge 8th of the floor element 1' a protruding lower lip 30th with an upward (view after 6 ) opening locking recess 32 formed, in which a correspondingly shaped locking projection 34 on the adjacent front edge 6 of the floor element 1 immersed so that a horizontal locking is effected. Such hook connections are known, so that further explanations are unnecessary.

The horizontal locking takes place via the bracket 26 that in front edge grooves 36 , 38 the floor elements 1' respectively. 1 is used. These two grooves 36 , 38 complement each other to form a receiving groove with an approximately rectangular cross-section. This receiving groove (grooves 36 , 38 ) is aligned with a cross slot 16 or 16 ' in the floor element adjacent on the long side ( 1" in 5 ) so that the protruding end sections 26 , 28 into this slot 16 , 16 ' can immerse to the floor elements 1 to connect with each other.

In particular, the following based on the 7 to 11 The end profiles and connecting elements explained are designed in such a way that a slight relative displacement of the base elements due to dimensional changes is compensated even in the case of very strong temperature fluctuations can be, without it can be raised / toothed.

7 shows a variant of an end connection. In this embodiment is in the area of the front edge 8th a profile groove 40 trained, in which a correspondingly formed profile spring 42 on the front edge 6 of the other floor element 1 immersed. On the profile spring 42 is the locking projection on the underside 34 trained in the locking recess 32 the lower lip 30th of the floor element 1' dips and on the bottom of this locking recess 32 lies on. However, the width of the locking recess 32 according to the view 7 significantly larger than the width of the locking projection 34 trained so that this along the lower lip 30th for insertion and to compensate for dimensional changes due to temperature fluctuations. When connecting, the locking projection 34 from above without colliding with the front edge 8th in the locking recess 32 be used. In a subsequent step, the two floor elements 1 , 1' shifted in the horizontal direction until the relative position according to 7 is reached. The position is then fixed using at least one of the brackets shown 24a , 24b which are similar to the embodiment according to the 5 and 6 are designed as corrugated spring-like brackets. These are in a forehead shot 46 in the profile spring 42 or a forehead shot 48 under the profile spring 42 the front edge 6 of the floor element 1 used. The system on the adjacent floor element 1 , 1' takes place via support body 50 , 52 that according to the presentation 7 have an approximately L-shaped profile, with one leg on the respective spring-like clip 24a , 24b abuts and a support leg arranged approximately at right angles to it 54 , 56 flat on the bottom of the profile groove or the adjacent end face of the lower lip 30th attacks so that the two front edges 8th , 10th are locked together in both the horizontal and vertical directions. In this locking position, part of the two support bodies is immersed 50 , 52 in the associated forehead shot 46 , 48 for the bracket 24a respectively. 24b a.

These brackets 24a and or 24b are then again on both sides beyond the respective floor element and engage in corresponding slots / recesses in the adjacent floor element in order to lock the elements to one another.

In the embodiment according to the 7 can the floor element 1 with its locking projection 34 first from above into the locking recess 32 be used. After this insertion and thus pre-fixing the two floor elements 1 , 1' to each other the floor element 1 then by moving horizontally into the in 7 shown position can be moved. Angling is of course also possible.

The connection is selected so that it enables length compensation by horizontal displacement. This also applies to the profiles described below. In the illustrated embodiment, the front edges are 8th , 10th on the surface layer somewhat apart. However, this position can change as explained. In principle, the front edges can also lie flush in this area and / or with chamfers 58 , 58 ' be provided as in 6 are shown.

8th shows a variant of the embodiment according to 7 . Here is the locking projection 34 the profile spring 42 formed with a larger axial length. The profile groove is also corresponding 40 in the floor element 1' trained deeper. The feather-like bracket 24b is in the forehead shot 46 the profile spring 42 used, the depth of this forehead shot 46 larger than that in the embodiment according to 7 is trained. The wave structure is with the bracket 24b with a significantly larger wave height (amplitude) W than in the exemplary embodiment according to 7 trained, with the bracket 24b with their parting 60 at the bottom of the profile groove 40 supports. The end sections are also in this embodiment 26 , 28 across the width of the floor element 1' out and engage in corresponding recesses of the adjacent floor element.

The other bracket, which is also designed with a larger wave height W, is correspondingly 24a in a deeper forehead shot 48 (compared to the embodiment according to 7 ) of the floor element 1 used and is with its apex 62 on the adjacent face of the lower lip 30th supported. That is, in this embodiment, in principle, the two support bodies 50 , 52 waived and designed the wave amplitude larger. In principle, support bodies can of course also be provided. Either both or one of the brackets can be used 24a , 24b be used.

Due to the large axial length of the profile spring 48 is a connection in the area of the front edges 8th , 10th not by lowering but only by angling.

Even with the in 8th illustrated embodiment are in the position shown the front edges 8th , 10th in the top layer area at a distance from each other. This distance is due to the running up of a rear sloping surface 62 of the locking projection 34 on a sloping contact surface 66 the locking recess 32 certainly. A Such a system can also be used in one embodiment 7 be achieved.

9 shows an embodiment with a spring-like bracket 24th which - similar to the embodiments according to the 7 and 8th - in the forehead 46 the profile spring 42 is used. In this embodiment, this is profile spring 42 with a significantly shorter length than in the embodiments according to the 7 and 8th executed. The profile recess 40 is according to the dimension of the profile spring 42 executed, in the intermediate position shown of the two floor elements 1 , 1' the locking projection 34 on the locking recess 32 the lower lip 30th rests, in this position the inclined surface 64 again on the contact surface 66 is present. The horizontal locking is done in this position by the support body 50 that on the groove surface 68 is present. The floor element can be used for further connection 1 in the representation according to 9 to the right until the profile spring 42 into the profile groove 40 immersed. The clip 24th is in turn on the support body 50 supported on the one hand on the wavy bracket 24th abuts and on the other hand with the support leg 54 at the in 9 upper groove surface 68 is supported. As explained, the profile spring 42 by moving it horizontally into the profile recess 40 immerse, the maximum immersion position on the one hand due to the running up of the front edges 8th , 10th and on the other hand by the emergence of the support body 50 to the bottom of the profile recess 40 is limited. The system is between the inclined surface 64 and the contact surface 66 canceled.

In 10th Another variant is shown in which the profile spring 42 into the profile groove 40 must be angled to assume the relative position shown, in which the two surfaces 64 , 66 lie against each other and the profile spring 42 in sections in the profile groove 40 immersed.

11 shows a concept slightly different from the previously described exemplary embodiments, in which the basic profiling in the area of the front edges 8th , 10th roughly that of the exemplary embodiment 9 corresponds, so that reference can be made to these designs with regard to the profiling. In the embodiment according to 11 is an approximately W-shaped spring clip instead of a wavy clip 24th intended. This has an approximately V-shaped middle section 70 that with a flattened parting on a lower cheek 72 the forehead shot 46 abuts, this lower cheek 72 opposite the upper cheek above towards the floor element 1' is extended. This is similar in the exemplary embodiment according to FIG 9 educated.

At the middle part 70 closes in accordance with the presentation 11 a feather leg to the left 74 at the bottom of the forehead shot 46 is supported. The in 11 right leg of the middle part 70 is a support leg 76 extended, the end section bent in the horizontal direction on the upper groove surface 68 the profile groove 40 is present. Here, too, is an extreme position of the two floor elements 1 , 1' spelled out by planting the areas 64 , 66 is determined. Horizontal locking takes place via the bracket 24th that with the support leg 76 on the groove surface 68 is applied, so that even in this extreme position the formation of over-teeth is avoided.

12th shows a partial view of installed floor elements 1 , 1' and 1" seen from below, ie from the support side. 13 shows this arrangement seen from above, the bottom element 1 Is shown "transparently".

In this embodiment in 12th is the bracket 24th strip-shaped and stands with end sections 26 , 28 on both sides over the long edges 4th , 6 of the respective floor element 1 , 1' over and diving with them - like in 12th shown below - in a cross slot 18 " a floor element adjacent on the longitudinal edge side 1" a.

14 shows a side view from above of the arrangement according to 12th . Accordingly, the strip-shaped bracket 24th - Similar to the embodiment according to 6 - on the one hand in the groove 36 of the floor element 1' and the other in the groove 38 of the floor element 1 used. These two grooves 36 , 38 complement each other to form a rectangular receiving groove in which a flat slide section 78 the bracket 24th is used. Are at the end of the flat slide section 78 the two end sections 26 , 28 formed, which have a square profile in the illustrated embodiment, the edge length of the width B of the slot 18th corresponds.

As shown in the illustration 12th this end section then emerges 26 respectively. 28 into a cross slot 18 " of the adjacent floor element 1" a.

The longitudinal slots 16 cut the two grooves 36 , 38 the end edge profiling, so that in this cutting area, as in 12th visible in the middle, a section viewed from the overlay side and the top layer side 24 ' the bracket 24th is visible.

This strip-shaped bracket 24th can be made of plastic or metal.

15 shows a support-side view of a floor covering 2nd with floor elements 1 , 1' and 1" , with different types of brackets for connection 24th are used, which are explained in more detail below.

As in 15 shown, the brackets can 24th over adjacent longitudinal slots 16 away or between or across adjacent transverse slots 18th extend.

In 16 is a side view from above (view in 15 ) on the bracket 24a in 15 shown. Accordingly, this is formed with an approximately U-shaped profile, the two U-legs 80 , 82 each in a holding groove 84 respectively. 86 extend there. The two U-legs 80 , 82 are notched, so that spring tabs are positioned in a tulip shape 88 , 90 arise. These engage in the respective holding groove in a non-positive and / or positive manner 84 , 86 a. The two holding grooves widen to improve the holding force 84 , 86 to the top layer 14 towards it, so that between them an approximately trapezoidal holding projection widening towards the support 92 that remains of the bracket 24a encompassed and thus held together. This holding tab 92 is common through the floor elements 1 , 1' formed, the two front edges 8th , 10th through this tab 92 run through it. That U bracket 24a can according to 15 be approximately strip-shaped and overlaps the two end edges lying on one another 8th , 10th . It is inserted from the support side.

17th shows the structure of the bracket 24b in 15 . This is a variant of the exemplary embodiment according to 16 , where the two U-legs 80 , 82 are designed somewhat simpler than in the previously described embodiment. Here are the U-legs 80 , 82 arched inward and plunge into holding grooves 84 , 86 a, which are designed as oblique grooves, so that - similar to the embodiment according to 16 - again a retaining projection that tapers towards the cover layer 92 is formed by the end edges indicated by dashed lines 8th , 10th is enforced.

In principle, the function is the same as in the exemplary embodiment explained above.

18th shows a variant of the embodiment according to 17th , where the two U-legs 80 , 82 are provided with a smaller bulge, so that they are largely flat on the adjacent side surfaces of the holding projection 92 issue. To simplify the attachment, only the end sections of the U-legs are 80 , 82 slightly bent - this bend is also found in the embodiment according to 17th .

In the embodiment according to 19th is on this deflection of the end sections of the two U-legs 80 , 82 dispensed with, so the manufacture of the bracket 24b according to 19th is even easier than making the bracket 24b with the geometry according to 18th .

20th shows a variant of the in the 17th , 18th , 19th shown U-shaped brackets. At the in 20th illustrated embodiment are the two U-legs 80 , 82 extended so that it extends through the respective floor element 1 , 1' extend through. It makes sense to use the breakthroughs that act as drainage 21st as a bushing for the end sections of the U-legs 80 , 82 to use. The protruding areas of the U-legs are used for connection 80 , 82 then bent in the direction of the arrow, the bent end sections preferably in a longitudinal or transverse slot on the cover layer side 16 , 18th immerse and therefore do not protrude upwards, so that an injury to the athlete is excluded. In this way, a particularly reliable connection of adjacent floor elements 1 , 1' realized.

In 21st is the basic structure of the in 15 with the reference symbol 24c shown variants of the brackets. In this embodiment, the floor elements 1 , 1' connected on the front edge side via an angled profile, as is used, for example, to connect laminate or parquet floors. The position is then fixed using a strip-shaped bracket 24c , the at least two adjacent, support-side transverse slots 18th or longitudinal slots 16 covered. Shown in 21st is a variant where the bracket 24c two adjacent transverse slots 18th the floor elements 1 , 1' overstretched. The stripe-shaped bracket 24c is with two mushroom-shaped bulges 94 , 96 executed, the geometry of that of the transverse slots 18th is adjusted so that the bulges 94 , 96 with press fit or preload in the respective slot 18th can be used. The distance between the two bulges 94 , 96 corresponds to the distance between the slots 18th in the connected state of the floor elements 1 , 1' (please refer 21st ). For the rest, the stripe-shaped bracket 24c flat on the contact surface of the floor elements 1 , 1' at. As in 15 shown, these parentheses 24th across the longitudinal joints between the longitudinal edges 4th , 6 or to the transverse joints between the front edges 8th , 10th run.

22 shows an embodiment of the bracket 24d according to 15 . The basic structure of this strip-shaped bracket corresponds to that of the exemplary embodiment 21st . Ie also with this bracket 24d are bulges 94 , 96 provided in corresponding recesses in the floor elements 1 , 1' intervention. At the in 22 illustrated embodiment are not for this intervention, however, anyway existing slots are used but retaining grooves 84 , 86 which according to the embodiment 22 extend towards the top surface to engage with the bulges 94 , 96 to improve. As in the previously described exemplary embodiments, the holding grooves must be 84 , 86 through a separate milling process in addition to the slots 16 , 18th be formed.

23 shows another flooring 2nd with floor elements 1 , 1' and 1" . Here is the flooring 2nd again shown in a bottom view. The connection in the area of the front edges 8th , 10th and the long edges 4th , 6 takes place on the one hand via suitable profiles and on the other hand via a plate-shaped bracket 24th , which locks both on the front edge side and on the longitudinal edge side. This plate-shaped bracket 24th engages in separately inserted holding grooves 84 , 86 which, as in the previously described exemplary embodiments, parallel to the transverse slots 18th run and in longitudinal grooves 98 , 100 one that is parallel to the longitudinal slots 16 run. These grooves 84 , 86 and 98 , 100 must also be brought in by a separate milling process. In principle, however, it is also conceivable that the slots which are present anyway 16 , 18th be set so that the plate-shaped brackets 24th can be used. As shown in 23 stretches the plate-shaped bracket 24th both a longitudinal edge side and a transverse edge side connection area of the floor elements 1 , 1' , 1" so that a particularly exact connection is guaranteed. These plate-shaped brackets 24th are used from below, ie from the support side.

24th shows an enlarged view of the plate-shaped brackets 24th out 23 . The basic structure of such a plate-shaped bracket 24th is in 25th shown. Accordingly, the bracket has 24th a floor 102 with a rectangular or square base. On the four side edges of the floor 102 is a variety of around 90 ° from the ground 102 bent locking tabs 104 , 106 , 108 and 110 educated. For the sake of simplicity, it is on the respective side edges of the floor 102 trained locking tabs only one reference number ( 104 , 106 , 108 and 110 ) assigned.

These locking tabs 104 , 106 , 108 and 110 engage in the respective holding grooves 84 , 86 respectively. 98 , 100 one, the geometry being chosen so that jamming of the floor elements 1 , 1' he follows ( 23 ). At the in 25th illustrated embodiment are the locking tabs 104 , 106 , 108 , 110 comparatively flat. At the in 24th illustrated embodiment are the end portions of the locking tabs 104 , 106 , 108 , 110 slightly arched to make it easier to start.

26 shows a variant in which the locking tabs 104 , 106 , 108 , 110 are slightly drawn inwards, the end sections then being bent backwards in order to achieve a better fit in the associated grooves 84 , 86 , 98 , 100 to achieve and on the other hand to facilitate the insertion, because the rounding of the end sections damage the grooves 84 , 86 , 98 , 100 can be prevented.

Of course, other brackets can also be used to fix the floor elements 1 , 1' , 1" fixate against each other.

In the exemplary embodiments described above, the floor covering is made up of a multiplicity of floor elements 1 formed, each with slits 16 , 18th are executed, which are not the entire thickness of the base element or the carrier 12th / the top layer 14 enforce but open on the top layer side (visible side) or on the support side.

In the exemplary embodiments described below there are through-slots, also slots below 16 , 18th called, provided the total thickness of the carrier 12th and the top layer 14 push through. Of course, the length of these through slots is then selected such that the respective floor element is not cut through and still has sufficient dimensional stability.

In 27th is a simplistic, rectangular floor element 1 (Panel) of a floor covering shown with two parallel longitudinal edges 4th , 6 and shorter end edges arranged at right angles to it 8th , 10th , (the latter not shown) is formed. Along these edges, a conventional connecting profile or connecting elements for connecting / locking the floor elements 1 be trained.

The floor elements are also in this embodiment 1 to compensate for thermally induced dimensional changes and to improve the elasticity with slots 16 , 18th executed. As stated above, the main difference from the previously described embodiment is that the slots 16 , 18th the floor element 1 or at least the carrier 12th and the top layer 14 penetrate completely. That is, these slots 16 , 18th are designed as through-slots in the exemplary embodiments described below, the slot depth a practically equal to the thickness d of the base element 1 (Carrier 12th and top layer 14 ) corresponds.

The length I of the cross slots 18th and the length m of the longitudinal slots 16 is significantly less than the total length L or the total width M of the floor element 1 educated. In the embodiment according to 27th open adjacent transverse slots 18a , 18b mutually in the in 27th longitudinal edge below 6 or in the upper longitudinal edge 4th . Longitudinal slots 16a , 16b are in the area between two in the longitudinal edge 4th opening transverse slots 18b and between two neighboring ones, in the long edge 6 opening transverse slots 18a arranged, the longitudinal slots 16a offset both in the longitudinal direction and in the transverse direction to the longitudinal slots 16b are arranged. The longitudinal slots 16b are closer to the long edge 6 and the longitudinal slots 16a closer to the long edge 4th arranged. In other words, the longitudinal slots 16a , 16b lie approximately in the area in the longitudinal direction through the adjacent transverse slots 18a and in the transverse direction through the inner end of the between the transverse slots 18a lying transverse slot opening in the other longitudinal edge 18b is limited. The length I of the cross slots 18th is slightly smaller than the width M of the floor element 1 chosen. The length m of the longitudinal slots 16 is less than the distance a between two adjacent transverse slots 18a educated.

In the illustrated embodiment, six longitudinal slots are seen over the length of the panel 16a and five longitudinal slots 16b each arranged one behind the other on a line. In the long edge 4th five cross slots open 18b . In the other long edge 6 Six cross slots then open out in accordance with the previously described specifications 18a .

The length m of the longitudinal slots 16 is less than 10% of the total length of the floor element in one embodiment 1 .

28 shows a variant of the embodiment according to 27th . There are instead of a single longitudinal slot 16a , 16b or cross slot 18a , 18b two slots each 16a.1 , 16a.2 ; 16b.1 , 16b.2 ; 18a.1 , 18a.2 respectively. 18b.1 , 18b.2 arranged in pairs at a comparatively small distance x or y from each other. This pair spacing x, y is approximately the same in the illustrated embodiment. The distances x, y are significantly smaller than the distances a, b of the slot pairs, again the slot distance a being greater than the slot distance b.

Otherwise, the exemplary embodiment corresponds to 28 that one 27th , so that further explanations are unnecessary.

The 29 and 30th relate to exemplary embodiments of a sports floor, preferably an outdoor floor, as described in the prior art mentioned at the beginning according to WO 2013 / 120993A1 or the EP 1 197 611 B1 the applicant is described.

With such floor coverings, the floor element 1 a plate-shaped or modular carrier 12th , the usable or visible surface of which is designed, for example, with a cover layer or a structure. A load distribution layer is formed on the support side, which in principle consists of a plurality of load distribution elements 112 is formed, which in the illustrated embodiment are formed approximately as rectangular plates on which the carrier 12th and optionally the cover layer is applied. In the illustrations, those in the middle area of the plates (beams 12th ) arranged load distribution elements 112 not shown. The side edges of the roughly square load distribution elements 112 are at about 45 ° to the side edges (longitudinal edges 4th , 6 , Front edges 8th , 10th ) of the wearer 12th employed.

One recognizes in the representation according to the 29a , 29b , a top view and a bottom view of a floor element 1 show that the load distribution elements arranged in the side edge region 112 with corner areas over the assigned side edge 4th , 6 , 8th , 10th stand out and thus form a fitting element, which with correspondingly arranged load distribution elements 112 of an adjacent floor element 1 interact to fix and center the position, so that the floor elements 1 are exactly centered. With the reference numerals 114 are designed as coil springs locking elements that are in clamping engagement with fixing bolts 116 on the adjacent floor element can be brought to the floor elements 1 connect with each other. The locking elements 114 encompass the respective fixing bolt 116 non-positive and positive. With regard to further details of the construction of such load distribution elements 112 and the locking elements 114 may be referred to the prior art described above.

The carrier used in the exemplary embodiment according to 29a, 29b 12th and the cover layer are according to the embodiment 27th formed, the dimensions L, M of the bottom element 1 according to the 29a , 29b are significantly larger than in the case of the embodiment in accordance with FIGS 27th or 28 , so that a large number of longitudinal slots 18th on the one hand in the vertical direction (view according to 29a , 29b) and are spaced from each other in the horizontal direction. A corresponding pattern runs along the longitudinal slots 16 , the slots 16 , 18th do not cut. Based on 29a , 29b it can also be clearly seen that the short longitudinal and transverse slots 16 , 18th are consistently trained.

The 30a , 30b show an embodiment in which the slot pattern according to 28 is realized. The corresponding are in the variant 30a , 30b instead of a single slot 16 , 18th a pair of slots 16.1 , 16.2 respectively. 18.1 , 18.2 educated.

As especially in the 29a , 29b indicated, the slit pattern of a floor element 1 towards the side edges, in the present case towards the front edges 8th , 10th can be varied, this can be done for example by increasing the distances or the like.

The load distribution elements are also in these two exemplary embodiments 112 slotted.

A floor covering is disclosed in which channel-shaped slots are alternately formed on the cover layer side and on the support side. These preferably extend over more than half the thickness of the base element, so that openings form in the intersection areas of the slots. Alternatively, the slots can also be designed as through-slots which penetrate the base element in the thickness direction, but are shorter than the longitudinal and transverse edges. The application is not limited to the outdoor area. In the interior, it also fulfills the function of an acoustic floor. The floor covering can be designed with load distribution elements.

Reference symbol list

1

Floor element

2nd

Flooring

4th

Long edge

6

Long edge

8th

Front edge

10th

Front edge

12

carrier

14

Top layer

16

Longitudinal slot

18th

Cross slot

19th

Slit crown

20th

first slot group

21

breakthrough

22

second slot group

24th

Bracket

26

End section

28

End section

30th

bottom lip

32

Locking recess

34

Locking projection

36

Groove

38

Groove

40

Profile groove

42

Profile spring

44

head

46

Forehead shot

48

Forehead shot

50

Support body

52

Support body

54

Support leg

56

Support leg

58

chamfer

60

Parting

62

Parting

64

Sloping surface

66

Contact surface

68

Groove surface

70

Middle section

72

cheek

74

Feather legs

76

Support leg

78

Flat slide

80

U-leg

82

U-leg

84

Holding groove

86

Holding groove

88

Spring tab

90

Spring tab

92

Holding tab

94

Bulge

96

Bulge

98

Longitudinal groove

100

Longitudinal groove

102

ground

104

Locking tab

106

Locking tab

108

Locking tab

110

Locking tab

112

Load distribution element

114

Locking device

116

Fixing bolt

QUOTES INCLUDE IN THE DESCRIPTION

This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 102013100051 A1 [0007]
• WO 2011/090499 A1 [0009]
• WO 2006/042221 A3 [0011]
• WO 2011/094461 [0012]
• EP 2239024 A2 [0013]
• GM 7719620 [0014]
• WO 2013/120993 A1 [0025, 0106]
• EP 1197611 B1 [0025, 0106]

Non-patent literature cited

• DIN V 18032 [0005]

Claims (20)

Floor covering with a multiplicity of floor elements (1), characterized in that a multiplicity of cross-sections designed as through slots are provided in the floor element (1), said cross-sections being less than the width (M) or the length (L) of the floor element (1) extend and the alternately tired in parallel longitudinal edges of the floor elements (1). Flooring after Claim 1 The floor elements (1) have a solid or modular support (12), which preferably has a cover layer (14) or is provided with a structure. Flooring after Claim 1 or 2nd , wherein the depth (t) of the slots (16, 18, 16 ', 18') is more than half the thickness (d) and less than the thickness (d) of a base element (1). Flooring after Claim 1 , wherein a cover group-side slot group (20) crosses another support-side slot group (22). Flooring after Claim 4 , an opening (21) being formed in the intersection area. Floor covering according to one of the preceding claims, wherein a slot group (20, 22) extends approximately parallel to longitudinal edges and another slot group approximately parallel to end edges of the floor elements (1). Flooring according to one of the Claims 4 to 6 , wherein the slots of one slot group (20) are offset from one another by half the slot spacing of one group with respect to the slots of the other slot group (22). Flooring after Claim 6 Longitudinal slots (16) of one slot group are shorter than the length (L) of the longitudinal edges (4, 6) and transverse slots (18) of the other slot group are shorter than the length (M) of the end edges (8, 10). Flooring after Claim 8 The transverse slots (18) alternately open into the parallel longitudinal edges (4, 6) and the longitudinal slots (16) are each arranged between adjacent transverse slots (18) and run at a distance from the longitudinal edges (4, 6). Flooring after Claim 9 , wherein several transverse slots (18.1, 18.2) and / or longitudinal slots (16.1, 16.2) of the same orientation are arranged side by side. Floor element according to one of the preceding claims, wherein a carrier (12) is arranged on a load distribution layer consisting of a plurality of load distribution elements (114). Floor covering according to one of the preceding claims, wherein a connecting or locking profile or connecting elements are formed on the longitudinal and end edges. Floor covering according to one of the preceding claims, with a clamp (24) for connecting adjacent floor elements (1), these engaging in recesses in the floor elements (1) in order to connect them in a force-fitting and / or form-fitting manner and to align them with one another. Flooring after Claim 13 , wherein the bracket (24) is approximately U-shaped, the U-legs (80, 82) engaging in a non-positive or positive manner. Flooring after Claim 13 or 14 , wherein the bracket (24) is plate-shaped with angled locking tabs (104, 106, 108, 110), each of which engages in a recess section. Flooring according to one of the Claims 13 to 15 and Claim 5 , wherein the clamp (24) engages in an opening (21) of two adjacent floor elements (1). Flooring according to one of the Claims 13 to 16 , The clamp (24) being of spring-like design and engaging in end receptacles (46, 48) of the floor elements (1) connecting to one another in a non-positive or positive manner. Flooring after Claim 17 The spring-like clip (24) projects on both sides beyond adjacent side edges of the base element (1) and comes into engagement with end portions (26, 28) with an adjacent base element. Flooring after Claim 13 , wherein the clip (24) is designed in a strip shape with bulges (94, 96) which engage in recesses. Floor covering according to one of the preceding claims, wherein the spacing of the slots (16, 16 '; 18, 18') is greater than 5 cm and less than 15 cm, preferably between 10 cm and 12 cm and / or the slot width is less than 5 mm , is preferably about 3 mm.

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