WO2009077178A1

WO2009077178A1 - Cladding panel and cladding formed therefrom

Info

Publication number: WO2009077178A1
Application number: PCT/EP2008/010783
Authority: WO
Inventors: Gerhard Dürnberger
Original assignee: Kaindl Flooring Gmbh
Priority date: 2007-12-18
Filing date: 2008-12-17
Publication date: 2009-06-25
Also published as: EP2227612B1; PT2227612T; DE102007061035A1; SI2227612T1; ES2624192T3; EP2227612A1; PL2227612T3

Abstract

In a cladding panel (10) for cladding a subsurface (U), in particular a floor, the two coupling units (20, 22) intended for the play-free connection between two identically formed panels (10, 10') are constructed in such a way that, with the two panels (10, 10') in a connected state, a side face (16), adjoining the visible face (34), of the secondary web (32) of the coupling unit (20) of one panel (10) and a side face (18), adjoining the visible face (34), of the other panel (10') have a predetermined minimum spacing (d) from one another at least in a planar portion which adjoins the respective visible face (34).

Description

Cladding panel and cladding therefrom

description

The invention relates to a cladding panel for cladding a substrate, in particular a floor, which has a bearing surface intended for contact with the ground and a visible surface facing away from the contact surface, and which further comprises two pairs of opposite side edges, of which at least one is provided with coupling units wherein these coupling units each comprise a coupling element and a coupling recess, wherein the coupling elements are formed substantially L-shaped, wherein a first side edge associated first coupling element has a first main web and a first side bridge and a second side edge associated second coupling element has a second main web and a second side bridge, wherein the first main bar and the second main bar extend substantially parallel to the extension direction of the trim panel, and wherein the first coupling unit and the second coupling unit are designed and arranged such that they can be connected to a second coupling unit or a first coupling unit of an identically formed cladding panel with respect to a relative displacement of the two cladding panels in their direction of extension so as to be substantially free of engagement with one another.

Such trim panels usually have at the longer of the two pairs of opposing side edges via coupling elements, by pivoting about an axis substantially parallel to the side edge extending axis (so-called "Angling- coupling elements") or by pushing one another in a panel to the plane can be connected to each other in substantially parallel direction. At the shorter of the two pairs of opposite side edges, the trim panels with Coupling elements are provided, which by simply nesting in a direction substantially parallel to the panel plane extending direction (so-called "fold-down coupling elements") or turn by pivoting about an axis substantially parallel to the side edge axis ("Angling- Coupling elements ") can be connected to each other. While the shape of the fold-down coupling elements have a pure, ie virtually unaltered, L-shape, have the Angling coupling elements on the side facing away from the main web of the L-shape side surface of the secondary web of a coupling unit via an additional approach, in an associated Deepening of the coupling recess engages the other coupling unit. In this case, one can speak of a degenerate or modified L-shape.

Regardless of the specific design of the coupling elements, it comes in practice, for example when committing a floor covering formed from such trim panels, creaking noises. Although these noises are more pronounced in fold-down coupling elements than in Angling coupling elements due to the greater freedom for relative movements, in particular in a direction substantially orthogonal to the panel plane direction, but also occur there. To a greater noise also occurs in panel panels whose abutting end faces coated at least adjacent to the viewing surface, for example, painted, have been. Such a coating is provided, for example, in panel panels having an MDF core, the visible surface of which

Face is provided adjacent to a chamfer, which extends into the MDF core in order to protect the MDF core against the ingress of moisture. The noise also occurs in cladding panels whose faces are not coated.

It is therefore an object of the present invention to provide a trim panel of the type mentioned, in which the noise is at least reduced, if not completely excluded. According to the invention this object is achieved by a cladding panel having the features of claim 1.

By the inventively provided minimum distance, which may for example be at least 0.05 mm, more preferably at least 0.1 mm, can be prevented that the faces of the two interconnected trim panels rub against each other in a relative movement. It has been found that this friction is the cause of the formation of the noise. The provision of such

Minimum distance runs contrary to the usual expert thinking, as this is to be equated with the deliberate and deliberate provision of a gap between the two trim panels. The provision of columns is undesirable because, on the one hand, gaps disturb the uniform appearance of the lining formed from the lining panels and, on the other hand, facilitate the penetration of moisture into the lining panels. However, it has been shown that in particular the penetration of moisture can also be avoided in other ways, for example by a sufficient expansion of the coating already mentioned above.

A further contribution to noise reduction is achieved according to the invention in that those surface pairs of the first coupling unit and of the second coupling unit, which ensure the engagement substantially free of play in the direction of extension of the lining panel, run obliquely to a direction orthogonal to the panel plane. In this way it can be prevented that these surface pairs rub against one another during a relative movement of the two interconnected trim panels in a direction orthogonal to the panel plane. Rather, they step out of engagement for a short time.

In this context, it should also be noted that in one of the two coupling units, the surfaces forming part of the surface pairs Side surfaces or side surface portions of the secondary web of the coupling element are, while in the respective other coupling unit side surfaces or side surface portions of the associated coupling recess are. In a coupling element with a pure L-shape so form the oblique side surfaces or side surface portions of the side bar together with its end face a convex surface profile, which limits the side bar. As a result, the backlash is realized at the same time robustness of ensuring them elements of the coupling units. In an analogous manner, the convex surface course is formed in a coupling element with a degenerate L shape of the obliquely extending side surfaces or side surface portions and the end faces or end face contributions of the secondary web and the neck.

The problem underlying the present invention of countering noise development is addressed in DE 20 2004 019 475 U1. To solve this problem, this document proposes to provide a clearance between the panels. As a result of this game but the distances between adjacent panels can vary, which adversely affects the appearance of the panel formed from the panels.

A play-free connection of adjacent panels while leaving a gap between the panels is known from DE 10 2005 034 094 A1. However, the problem according to the invention of counteracting noise generation is not addressed in this document. Rather, she is concerned with the possibility of being able to produce the panels with high manufacturing tolerances and thus time-consuming and cost-effective. In addition, to realize the backlash on the main web of the L-shape an additional element is formed, which engages in a recess which is formed in the end face of the secondary web of the L-shape of the other panel. As a result, the freedom from play is realized by the interaction of relatively fine structures, which evokes the risk of damage to the coupling units. For the sake of completeness, reference should be made to DE 10 2004 049 352 A1, DE 199 33 343 A1, DE 202 05 538 111 and DE 200 08 708 U1 to the state of the art.

With particular advantage, the present invention can be used in cladding panels, in which the visible surface of the first side surface of the first secondary web adjacent and / or the first side surface of the second side edge adjacent comprises an oblique to the extension direction of the trim panel surface portion. As has already been explained above, in the case of such cladding panels provided with a chamfer, a particularly pronounced noise development occurs. The minimum distance according to the invention therefore has a particularly noise-reducing effect in the case of these lining panels. In addition, can be masked by the provided on both sides of the abutment surface of the two trim panels bevels caused by the minimum distance gap in a particularly simple manner for the eye of the beholder. In principle, however, it is also conceivable to hide the gap purely optically, i. by appropriate choice of the design of the visible surface. In addition, a covering formed from such trim panels has a pleasant feel, since the chamfers no longer noticeably reveal even slight differences in height between the visible surface in the adjoining trim panels.

It is also advantageous if the end surface of the secondary web of the one coupling unit and the bottom surface of the coupling recess of the other coupling unit are spaced apart, while the end face of the secondary web of the other coupling unit and the bottom surface of the coupling recess of a coupling unit abut each other. This is particularly advantageous when the one coupling unit is the one coupling unit whose pairs of surfaces provide the engagement substantially free of play in the direction of extent of the trim panels, since the wedging engagement of the pairs of faces is then prevented by the coupling unit Stop the end face of the secondary web on the bottom surface of the coupling recess is impaired, while at the same time provides the secondary web of the other coupling unit for an adjustment in a direction orthogonal to the panel plane.

The adjustment in a direction orthogonal to the panel plane can additionally or alternatively also be ensured by the fact that, as already explained, on the side facing away from the main web side surface of the secondary web of a coupling unit one approach and in the coupling recess of the other coupling unit an associated recess are provided.

In order to prevent that impurities that are still laying on the ground when laying the cladding panels of the invention affect the flatness of the laid panels, the

Further development of the invention proposed that the cladding panel in its contact surface adjacent to at least one of the side edges has a recess. In this depression, also known as "dust chamber" in the jargon, the impurities can accumulate over time.

The invention can be used with preference with cladding panels, which comprise a core, which is covered on its surface which is assigned to the visible surface of the panel with a decorative layer and, if desired, is covered with a counteracting layer on its surface assigned to the contact surface of the panel. In this case, the core of MDF (medium density fiberboard) or HDF (high density fiberboard) may be formed. Furthermore, the decorative layer may have at least one printed or printable paper layer or, if desired, printed or printable veneer.

In order to be able to achieve a stable connection between two adjoining panel panels, at least one of the two coupling panels can be used. units with the core at least partially formed in one piece. It is particularly advantageous if both the main web and the secondary web of both coupling units are at least partially formed integrally with the core.

According to another aspect, the invention relates to a covering of a substrate, in particular a floor, which is composed of a plurality of trim panels according to the above explanation.

The invention will be explained in more detail below with reference to the accompanying drawings of exemplary embodiments. It shows:

Figure 1 is a rough schematic plan view of an inventive panel panel;

Figure 2 is a taken along the line H-II in Figure 1 sectional view of the trim panel according to the invention;

FIG. 3 shows two panel panels according to the invention of the embodiment shown in FIG. 2;

Figure 4 is a view similar to Figure 3 of two trim panels of an alternative embodiment;

Figure 5 is a view similar to Figure 3 of two trim panels of a further alternative embodiment which may be used, for example, at the longitudinal edges of the trim panels, for which reason Figure 5 shows a sectional view taken along line V-V in Figure 1; and

Figure 6 is a view similar to Figure 5 of two trim panels of another alternative embodiment. In Figure 1, a trim panel according to the invention is generally designated 10. The panel 10 is rectangular and comprises two mutually parallel side edges 12 and 14 extending in the longitudinal direction L long sides of the panel 10, and two mutually parallel side edges 16 and 18 extending in the transverse direction Q short sides of the panel 10. Both pairs 12/14 and 16/18 of side edges are provided with substantially L-shaped coupling units 20 and 22 (see also Figure 2) and 24 and 26, respectively. Together with other identically designed panels, the panel 10 serves to cover a substrate U (see FIG. 2).

As best seen in FIG. 2, the L-shape of the coupling unit 20 has a main ridge 30 which extends substantially in the longitudinal direction L and adjoins the visible surface 34 of the panel 10, as well as a secondary ridge 32 which is substantially in the height direction H from the main web 30 extends away. In an analogous manner, the L-shape of the coupling unit 22 has a main web 36, which extends substantially in the longitudinal direction L and adjacent to the visible surface 34 bearing surface 40 of the panel 10, and a side bar 38, which extends substantially in the height direction H. extends away from the main web 36 away.

The main web 30 and the secondary web 32 together form a coupling element 42 of the coupling unit 20, while the depression bounded by the coupling element 42 and a main body 46 of the lining panel 10 forms a coupling recess 44 of the coupling unit 20. Analogously, the main web 36 and the secondary web 38 form a coupling element 48 of the coupling unit 22, while the depression bounded by the coupling element 48 and the main body 46 forms a coupling recess 50 of the coupling unit 22. More specifically, the coupling recess 44 is bounded by a side surface 32a of the sub-land 32, a side surface 30a of the main land 30, and a side surface portion 46a of the main body 46, and the coupling recess 50 is defined by a side surface 38a of the sub-land 38, a side surface 36a of the Main ridge 36 and a side surface portion 46 b of the main body 46 limited.

FIG. 2 further shows that the trim panel 10 comprises a core 52, which can be made of MDF or HDF, for example, and has a decorative layer 54 on its surface 52a associated with the visible surface 34 and with a counteracting layer on its surface 52b associated with the contact surface 40 56 may be provided. Both the decorative layer 54 and the counteracting layer 56 may be formed by one or more resin-soaked paper layers, the topmost one

Paper layer of the decorative layer 54 may be printed or printed with a desired decor. Alternatively, the decorative layer 54 may also be formed by a, if desired printed or printable, veneer, cork, linoleum or engineered parquet. Preferably, both the main webs 30 and 36 and the side webs 32 and 38 are formed substantially integrally from the material of the core 52.

In this context, it should also be pointed out that in the embodiment according to FIG. 2 the visible surface 34 is not completely formed by the decorative layer 54, but that in this embodiment the trim panel 10 has a chamfer 56 or 58 at its two side edges 16 and 18 is formed, which extends into the material of the core 52 and also visible to the eye of the observer and thus the visual surface 34 is attributable.

In Figure 3, two interconnected, identical formed lining panels 10 and 10 'are shown, both of which have the structure shown in Figure 2. Due to the identical design, the same reference numerals have been used in Figure 3 for the elements of both panels, regardless of whether they belong to the panel 10 or the panel 10 '. In addition, the illustration of the decorative layer 54 and the counteracting layer 56 has been omitted in FIG. 3 for the sake of clarity. In the connected state of the trim panels 10 and 10 "shown in FIG. 3, the coupling element 42 of the right-hand panel 10 in FIG. 3 engages in the coupling recess 50 of the left-hand panel 10 'in FIG. 3, and engages the coupling element 48 of the panel 10' in the The freedom of play of the two panels 10 and 10 'with respect to a relative storage in its direction of extension, that is in this case in its longitudinal direction L, by the interaction of the surface pairs 32b / 46b and 32a / 38a (see FIG 2), while the surfaces 38b and 46a and the surfaces 16 and 18 (see Figure 2) are spaced apart.

In particular, the distance d of the two side edges 16 and 18 has a minimum value of about 0.1 mm. By this minimum distance can be ensured that the two side edges 16 and 18 of the panels 10, 10 'in a relative storage in the height direction H does not rub against each other and thereby produce noise. In order to be able to prevent noise also in the area of the pairs of surfaces 32b / 46b and 32a / 38a, these run relative to the height direction H at a predetermined angle α, the value of which is between about 3 ° and about 70 °, preferably about 15 ° ,

In order to be able to provide a rich fit of the surface pairs 32b / 46b and 32a / 38a, the bottom 36a of the coupling recess 50 and the end face 32c of the coupling element 42 also have a distance D from one another in the connected state of the two panels 10, 10 '. In contrast, the end face 38c of the coupling element 48 rests on the bottom 30a of the coupling recess 44 in order to be able to provide a height adjustment of the two panels 10 and 10 "relative to one another.

In the connected state of the two panels 10 and 10 ^* comes to the two bevels 56 and 58 in particular the function, the d by the distance formed gap 60 and any differences in height between the two panels 10 and 10 'optically laminated.

It should also be added that angled surfaces 46c and 46d are provided adjacent to the contact surface 40 of the panel 10, both in the region of the side edge 16 and in the region of the side edge 18, which form a dust chamber 62 in the connected state of two identical panels 10 and 10 ' , In this dust chamber 62, contaminants possibly present on the ground can accumulate over time when the panels are laid, so that they do not impair the planar support of the panels on the substrate.

FIG. 4 shows an alternative embodiment, which essentially corresponds to the embodiment according to FIGS. 2 and 3. Analogous parts are therefore provided in Figure 4 with the same reference numerals as in Figures 2 and 3, but increasingly by the number 100. In addition, the embodiment of Figure 4 will be described only insofar as they differ from the embodiment according to FIGS and 3, whose description is hereby expressly referred to.

The panel 110 or the identically formed panels 110, 110 'according to FIG. 4 differ from the panel 10 according to FIGS. 2 and 3 mainly in that the pairs of surfaces which are responsible for the freedom of play of the two panels 110 and 110' with respect to a relative bearing in their Extending direction, that is, in its longitudinal direction L, ensure, not on the coupling element 142 of the panel 110 and the coupling recess 150 of the panel 110 ', but on the coupling element 148 of the panel 110' and the coupling recess 144 of the panel 110 are formed. For the same reasoning as in the embodiment according to FIGS. 2 and 3, therefore, the bottom of the coupling recess 144 and the end face of the secondary web 138 of the coupling element 148 are also spaced from one another in the connected state of the two panels 110 and 110 ' Coupling element 142 with the end face of his Nebenstegs 132 rests on the bottom of the coupling recess 150. As in the embodiment according to Figures 2 and 3, the two side edges 1 16 and 118 in the connected state of the two panels 1 10 and 110 'to a gap 160 of the minimum width d. In addition, a dust chamber 162 is also provided in this embodiment.

FIG. 5 shows a further embodiment, which essentially corresponds to the embodiments according to FIGS. 2 to 4. Analogous parts are therefore provided in Figure 5 with the same reference numerals as in Figures 2 and 3, but increasingly by the number 200. In addition, the embodiment of Figure 5 will be described only insofar as they differ from the embodiment according to Figures 2 and 3, whose description is hereby expressly referred to.

5, the coupling elements 242 and 248 are substantially L-shaped, but the coupling element 242 is degenerately L-shaped, so that the coupling units 224 and 226 comprising the coupling elements 242 and 248 can be interconnected by pivoting (FIG. Angling) are suitable. Since coupling units 224 and 226 formed in this way are preferably arranged on the long side of the panels 210, 210 ', FIG. 5 corresponds to a sectional view taken along the line V-V in FIG.

In particular, the degenerate L-shaped coupling element 242 in addition to the main web 230 and the secondary web 232 further comprises a projection 264 which protrudes from the free end of the secondary web 232 on its side remote from the main web 230 side. In the connected state of two identical panels 210, 210 'shown in FIG. 5, the projection 264 engages in a recess 266 of the coupling recess 250 assigned to it. The freedom of play of the panels 210, 210 'with respect to a relative bearing in their longitudinal direction L is achieved as in the embodiment according to Figures 2 and 3 by the interaction of pairs of surfaces of the coupling element 242 and the coupling recess 250. Unlike the embodiment However, according to Figures 2 and 3, the coupling element 242 is located on the bottom of the coupling recess 250 and is not spaced therefrom. In contrast to the coupling element 242, the coupling element 248 is purely L-shaped, comprises a main web 236 and a secondary web 238 and engages in a coupling recess 244, wherein the end face of the coupling element 248 is spaced from the bottom surface of the coupling recess 244. With regard to the gap 260 of the minimum width d and the dust chamber 262, the embodiment according to FIG. 5 again corresponds to the embodiment according to FIGS. 2 and 3.

FIG. 6 shows a further embodiment which combines elements of the embodiments of FIGS. 4 and 5 with one another. Analogous parts are therefore provided in Figure 6 with the same reference numerals as in Figures 2 and 3, but increasingly by the number 300. Moreover, the embodiment of Figure 6 will be described only insofar as it differs from the embodiments described above , whose description is hereby expressly referred to.

With regard to the basic configuration of the panel 310 with a degenerately L-shaped coupling element 342 and a purely L-shaped coupling element 348, the embodiment according to FIG. 6 corresponds to the embodiment according to FIG. 5. With regard to the freedom of movement of two interconnected, identically designed ones Panel 310, 310 'with respect to a relative bearing in its longitudinal direction L, however, it corresponds to the embodiment of Figure 4. In particular, this backlash is achieved in the embodiment of Figure 6 by the interaction of pairs of surfaces of the coupling element 348 and the coupling recess 344. However, in the embodiment according to FIG. 6, not only the end face of the coupling element 342 rests on the bottom surface of the coupling recess 350, but also the end face of the coupling element 348 on the bottom surface of the coupling recess 350. In principle, however, it is also conceivable in the embodiment according to FIG. 6 that the end face of the coupling element 348 is spaced from the bottom surface of the coupling recess 344, as indicated by dashed lines in FIG. With regard to the gap 360 of the minimum width d and the dust chamber 362, the embodiment according to FIG. 6 again corresponds to the embodiment according to FIGS. 2 and 3.

It should also be added that in the embodiments according to FIGS. 5 and 6, the connection of two identically formed panels 210, 210 'or 310, 310' is effected by pivoting about one another substantially parallel to the longitudinal edges 216, 218 or 316, 318 Axis can be brought about (Angling), while the embodiments according to Figures 2 to 4, the connection of two identically formed panels 10, 10 'and 110, 110' by inter-joining in a direction to the panel plane LQ substantially orthogonal direction H are brought about can (Foild Down).

Claims

claims

A cladding panel (10) for cladding a substrate (U), in particular a floor, which has a contact surface (40) for abutment with the substrate (U) and a visible surface (34) facing away from the contact surface (40), and which furthermore two pairs (12/14, 16/18) of opposite side edges, at least one of which is provided with coupling units (20, 22, 24, 26), said coupling units (20, 22, 24, 26) each one

Coupling element (42, 48) and a coupling recess (44, 50), wherein the coupling elements (42, 48) are formed substantially L-shaped, wherein a first side edge (16) associated with the first coupling element (42) has a first main web

(30) and a first secondary web (32) and a second side edge (18) associated second coupling element (48) has a second main web (36) and a second secondary web (38), wherein the first main web (30) and the second Main web (36) extend substantially parallel to the extension direction (L) of the trim panel (10), wherein a first coupling unit (20) and a second coupling unit (22) are designed and arranged such that they with a second coupling unit (22) or a first coupling unit (20) of an identically formed cladding panel (10 ') with respect to a Relatiwerlagerung the two cladding panels in their extension direction (L) are interconnected interlocking substantially play, wherein those surface pairs (32b / 46b, 32a / 38a) of the first coupling unit (20) and the second coupling unit (22) substantially free of play in the extending direction (L) of the trim panel (10) engage, to a plane perpendicular to the panel plane (L-Q) (H) obliquely, wherein those surfaces (32a, 32b) of these pairs of surfaces (32b / 46b, 32a / 38a) located on the first secondary web (32) of the one panel (10) or alternatively on this first secondary web (232) and an approach thereto (32) 264) of the one panel (210) are formed, together with its or alternatively its

End face (32c) form a Nebensteg (32) or alternatively the secondary web (232) and the projection (264) convex limiting surface profile, and wherein the first coupling unit (20) and the second coupling unit (22) are formed such that in a connected

State of two identically formed cladding panels (10, 10 ") adjoining the viewing surface (34), first side surface (16) of the first secondary web (32) of the one panel (10) and one of the visible surface (34) subsequent, first side surface ( 18) of the other panel (10 ') have a predetermined minimum distance (d) from each other at least in a surface section adjoining the respective visible surface.

2. trim panel according to claim 1, characterized in that the minimum distance (d) is 0.05 mm.

3. trim panel according to claim 1 or 2, characterized in that the visible surface (34) of the first side surface (16) of the first side bar (32) adjacent and / or the first side surface of the second side edge (18) adjacent to the direction of extension (L) the panel (10) inclined surface portion (56, 58).

4. trim panel according to one of claims 1 to 3, characterized in that the end face (32c) of the secondary web (32) of a coupling unit (20) and the bottom surface (36a) of the coupling recess (50) of the other coupling unit (22) of are arranged at a distance (D), while the end face (38c) of the secondary web (38) of the other coupling unit (22) and the bottom surface (30a) of the coupling recess (44) of a coupling unit (20) abut each other.

5

5. trim panel according to one of claims 1 to 4, characterized in that on the side facing away from the main web (230) side surface (216) of the secondary web (232) of a coupling unit (224) has a projection (264) and in the Kopplungsausnehmungo (250) the other coupling unit (226) a recess (266) associated with this approach (264) are provided.

6. trim panel according to one of claims 1 to 5, characterized in that in its contact surface (40) at least-5 least one of the side edges (16, 18) adjacent to a depression

(62) is formed.

7. trim panel according to one of claims 1 to 6, characterized in that it comprises a core (52), the ano its the visible surface (34) of the panel (10) associated surface

(52a) is covered with a decorative layer (54) and, if desired, at its the contact surface (40) of the panel (10) associated surface (52b) is covered with a Gegenzugschicht (56). 5. Panel panel according to claim 7, characterized in that the core (52) is formed of MDF or HDF.

9. trim panel according to claim 7 or 8, characterized in that the decorative layer (34) has at least one printed or printable paper layer or, if desired, printed or printable, veneer, cork, linoleum or engineered parquet.

10. cladding panel according to one of claims 7 to 9, characterized in that at least one of the two coupling units (20, 22) with the core (52) is at least partially formed in one piece.

11. trim panel according to claim 10, characterized in that both the main web (30, 36) and the secondary web (32, 38) of the coupling elements (42, 48) of both coupling units (20, 22) at least partially with the core (52) are integrally formed.

12. covering a substrate (U) ₁ in particular a floor, composed of a plurality of trim panels (10) according to one of the preceding claims.