Wall system and use of connectors to join adjacent wall elements to form a wall system

Abstract

Wall system (1) for cladding a wall (2) of a sanitary room with a first wall element (3A) and a second wall element (3B), wherein a connector (4) for connecting the wall elements (3A, 3B) is attached to a back side (6) of the wall elements (3A, 3B) associated with the wall (2), wherein the connectors (4) are attached to the respective wall element (3A, 3B) with double-sided adhesive tape, wherein the connector (4) of the first wall element (3A) forms an engagement section (4B) in the form of a tongue or a tongue and the connector (4) of the second wall element (3B) forms a groove for the engagement section (4B) with the second wall element (3B), and wherein the connectors (4) overlap when the first and second wall elements (3A, 3B) are attached side by side to the wall (2) such that an edge (7) of the first wall element (3A) abuts an edge (7) of the second wall element (3B), wherein the connectors (4) are each designed as flat and elongated profiles and are arranged parallel to the respective edge (7) of the respective wall element (3A, 3B), wherein the connector (4) of the first wall element (3A) is designed in the same or identical manner as the connector (4) of the second wall element (3B), wherein the connectors (4) are each formed with a first section (4A) and a second section (4B), wherein the first and second sections (4A, 4B) are formed in one piece, wherein the second section (4B) extends transversely to a longitudinal axis of the profile in a leg-like manner from the first section (4A), wherein the thickness (D2) of the second section (4B) is approximately half the thickness (D1) of the first section (4A), wherein the first and second sections (4A, 4B) each have a first flat side (10A, 11A) and a second flat side (10B, 11B), wherein the first and second flat sides (10A, 10B, 11A, 11B) of the respective section (4A, 4B) are parallel to each other, wherein the first flat side (10A) of the first section (4A) and the first flat side (11A) of the second section (4B) form a common flat surface and lie in a common plane, and wherein a step is formed between the second flat side (10B) of the first section (4A) and the second flat side (11B) of the second section (4B), and wherein the connector (4) of the second wall element (3B) is arranged in the opposite direction or with a different flat side on the second wall element (3B) than the connector (4) on the first wall element (3A), so that the connector (4) of the second wall element (3B) forms the groove with the second wall element (3B) and the connector (4) of the first wall element (3A) forms the tongue or tongue for engaging in the groove.

Description

[0001] The present invention relates to a wall system for cladding a wall of a sanitary room and to the use of connectors for joining adjacent wall elements to form a wall system.

[0002] In particular, the present invention relates to the field of renovation or partial renovation of sanitary facilities, especially preferably bathrooms or showers or shower cubicles.

[0003] A wall system for sanitary facilities is known from DE 10 2017 002 050 A1. The wall system comprises a wall element that is attached to a wall by means of a rear support.

[0004] In such a system, it has been common practice to create a large-area wall covering using several wall elements arranged side by side, with the wall elements being connected to each other by profiles placed in between.

[0005] However, customers often desire a wall system where the wall cladding forms a homogeneous surface without visible profiles between the wall elements. This can be achieved, for example, by providing two adjacent wall elements with a groove or tongue and groove on their facing edges to create the wall cladding, allowing the elements to be joined together. The disadvantage here, however, is that either the grooves or tongue and grooves must be created on-site, for example, by milling, or different wall elements must be manufactured at the factory, since the wall elements at the edge of the wall cladding, unlike the other wall elements, do not need a groove or tongue and groove on one edge.

[0006] EP 1 682 733 B2 discloses a building element for the production of floor or wall coverings, comprising a large-area, plate-shaped carrier layer bonded to several tiles via an intermediate layer of PU foam. Tongues are formed at mutually perpendicular edges of the building element, while grooves are formed at the corresponding opposite edges. The tongues and grooves are formed by edge steps in the carrier layer, or integrally molded in a single operation with the intermediate layer, or formed by separate rails attached to the respective edge by injection molding or foaming.

[0007] EP 0 059 776 A1 discloses a component consisting of a thin marble slab bonded to a thicker insulating panel made of rigid foam, the width and height of the panels being identical. The insulating panel has a groove on one of its long sides and one of its short sides, and a corresponding tongue on the other long side and short side, allowing adjacent components to be joined together to form a wall screen of butt-jointed panels.

[0008] EP 1 682 733 B2 and EP 0 059 776 A1 relate to wall elements of the aforementioned type, where the edges are factory-fitted with tongue and groove joints. As mentioned above, the disadvantage here is that different wall elements must be manufactured at the factory, since, unlike the other wall elements, the elements at the edge of the wall cladding do not need to have a groove or tongue on one edge. US 2012 / 0151861 A1 relates to a panel system, specifically for use on cruise ships. Along the edges of the panels, a tongue element and a distinct receptacle element are attached, which are inserted into one another to connect the panels. The tongue elements and receptacle elements are each formed by strip-shaped plates, with the tongue elements consisting of a single plate and the receptacle elements of two plates joined together.

[0009] DE 17 59 455 A relates to a device for fastening wall panels, preferably gypsum plasterboard, asbestos cement boards, and other panels, to a substrate. Different rails of complementary shape are attached to the panel edges, with a first rail being flat and projecting beyond the panel edge, while a second rail has a bend. The bend creates a groove between the second rail and the panel, which receives the projecting part of the first rail like a spring. The rails are fastened to the panels by means of tubular rivets.

[0010] WO 2010 / 035145 A1 concerns a fastening system for terrace decking and similar applications. Here, support beams are fastened to joists using rectangular plastic plates and wood screws to form a substructure for terrace decking. The plastic plates are alternately rotated by 180° and fastened in such a way that a positive-locking connection is created between them.

[0011] German patent DE 10 2017 002 050 A1 relates to a wall system for a sanitary room. The wall system comprises a cover and a support for holding the cover. The support has a plate-shaped base element and several projecting ribs, between which recesses for sanitary installations such as pipes are formed. To accommodate larger sanitary installations, ribs can be detached from the base element.

[0012] It is therefore an object of the present invention to specify a wall system and a use of connectors for connecting adjacent wall elements to form a wall system, wherein a wall system for cladding a wall with a homogeneous surface without visible profiles or edge transitions can be produced in a simple manner.

[0013] The above problem is solved by a wall system according to claim 1 or by the use of connectors according to claim 4. Advantageous further developments are the subject of the dependent claims.

[0014] A proposed wall system comprises a first wall element and a second wall element, each with a connector attached to the back of the wall element that corresponds to a wall. The connector serves to attach the wall element to the wall and to connect the wall elements to each other, in particular by means of a positive fit.

[0015] The connector of the first wall element forms an engagement section in the form of a tongue or tongue, and the connector of the second wall element forms a groove with the second wall element for the engagement section or connector of the first wall element, creating a tongue-and-groove or tongue-and-groove connection. By attaching the connectors to the back of the wall elements, or by creating a tongue-and-groove or tongue-and-groove connection on the back of the wall elements, joining the wall elements is simplified, and a smooth, virtually uninterrupted surface is achieved on the front side in the area of ​​the adjoining edges of the wall elements—that is, in the area of ​​the joint between the wall elements. Furthermore, attaching the connectors to the back of the wall elements is simpler and generates less mess than milling a groove or tongue into an edge of a wall element on site.

[0016] Preferably, both connectors extend beyond an edge of the wall element to which they are attached. This ensures a stable and play-free connection between the wall elements and the connectors.

[0017] The connectors overlap when the first and second wall elements are attached side-by-side to the wall or other substructure in such a way that an edge of the first wall element abuts or touches an edge of the second wall element. This creates a stable connection between the wall elements and the connectors.

[0018] The wall elements, particularly their front surfaces, preferably form a smooth surface at their joint. Specifically, the wall elements are preferably arranged in such a way that no unevenness or step is formed between them. This contributes to a high-quality visual appearance and is also hygienically advantageous, as dirt cannot accumulate between the wall elements or on the step. Furthermore, the risk of injury during cleaning of the wall elements or the wall system is minimized.

[0019] The connector of the first wall element is similar or identical to the connector of the second wall element. This allows for simple and cost-effective manufacturing and storage.

[0020] The adjacent edges of the wall elements are preferably provided with a sealant, in particular silicone, or joined or sealed against each other. This prevents moisture from penetrating the wall elements and / or the space between the wall elements and the wall, thus preventing mold growth and / or damage to the wall elements or the wall system caused by moisture ingress.

[0021] It is particularly preferred that no (visible) profile is used to connect the wall elements between them or at their edges. This contributes to a uniform and high-quality visual appearance.

[0022] The joint between the (adjacent) wall elements is preferably sealed by a gasket located between the joint and the connectors or one of the connectors. This prevents moisture from entering a gap between the wall elements and the wall, thus achieving corresponding advantages. The gasket can be made, for example, of silicone or another sealant.

[0023] The connectors are attached to the wall element and preferably to the wall or other substructure using double-sided adhesive tape. This allows the connector to be attached to the wall element or the wall on-site, for example by a tradesperson, without damaging the wall element or the wall. Furthermore, attaching the connector with an adhesive, especially on-site, enables fast and cost-effective production of the wall elements.

[0024] The connectors are each designed as flat and elongated profiles with a first and a second section, the first and second sections being formed in one piece.

[0025] The second section is leg-shaped and has a smaller thickness than the first section, creating a recess on a flat side of the profile in the area of ​​the second section. In cross-section, the recess is preferably at least substantially congruent with the second section. This advantageously forms a connector which, depending on how it is attached to a wall element or its orientation relative to the wall element, can either function as a tongue or groove or form a groove together with the wall element. This means that only one type of connector or profile is required to create a tongue-and-groove joint, particularly a tongue-and-groove joint, between two wall elements.

[0026] The second section extends transversely to a longitudinal axis of the profile in a leg-like fashion from the first section, with the thickness of the second section being approximately half the thickness of the first section.

[0027] The second section preferably forms an engagement section, particularly in the form of a spring or a tongue and groove joint, for a tongue and groove connection or tongue and groove joint.

[0028] It is preferred that the second section or tongue and groove board has a chamfer and / or rounding at one free end, or is tapered. This facilitates the joining of the wall elements or the insertion of the second section or tongue and groove board into a corresponding groove.

[0029] The thickness, or maximum thickness, of the first section is approximately twice the thickness of the second section. Preferably, the first and / or the second section (each) have at least a substantially uniform or constant thickness. By making the first section approximately twice as thick as the second section, two identical connectors, attached to two different wall elements to form a tongue-and-groove joint, create a precise and play-free tongue-and-groove connection, particularly a tongue-and-groove joint, and easily facilitate the formation of a smooth surface for the wall cladding by the front faces of the wall elements.

[0030] Preferably, the first and second sections are arranged side by side along a longitudinal axis of the profile. Furthermore, preferably, the first and second sections are directly adjacent to each other and / or merge seamlessly into one another. This is advantageous for a simple design and / or manufacturing process of the profile.

[0031] According to a preferred embodiment, the first section has one or more recesses, in particular arranged on two opposite flat sides of the first section, for receiving fasteners, especially adhesives, for attaching the connector to the wall and / or the wall element. This allows the distance between the wall element and the wall to be kept as small as possible.

[0032] The connector has double-sided adhesive tape on at least one flat side, preferably on both flat sides, for attaching the connector to the wall element and / or the wall.

[0033] The first section has a first flat side and a second flat side, the first and second flat sides being parallel to each other. Additionally, the second section has a first flat side and a second flat side, the first and second flat sides being parallel to each other.

[0034] Preferably, the first and second flat sides of the first section are parallel to the first flat side of the second section. This allows for a simple, space-saving, and play-free connection of two wall elements using connectors attached to them.

[0035] The first flat side of the first section and the first flat side of the second section form a common flat surface and lie in a common plane. This facilitates a simple construction.

[0036] A step or shoulder is formed between the second flat side of the first section and the second flat side of the second section. This allows for a simple way to create a groove between the connector and the wall element when the connector is attached accordingly.

[0037] The connector of the second wall element is arranged in the opposite direction or with a different flat side on the second wall element than the connector on the first wall element, so that the connector of the second wall element forms the groove with the second wall element and the connector of the first wall element forms the tongue or tongue for engaging in the groove.

[0038] A "wall system" within the meaning of the present invention is understood to be, in particular, a system that is attached to an existing wall or substructure or serves as cladding for an existing wall. The wall is preferably a vertical wall, for example, a wall that defines an interior space. However, the wall can also be a horizontal wall, for example, a floor or ceiling of an interior space, or have another orientation, such as an inclined one.

[0039] A "wall element" within the meaning of the present invention is preferably understood to be a plate-like, panel-like and / or flat component. A wall element within the meaning of the present invention is preferably designed for covering or cladding a wall, particularly over a large area.

[0040] A "beam" or "connector" within the meaning of the present invention is preferably understood to be a component by means of which a wall element can be attached or fastened to a wall. The connector is designed as a profile or elongated component.

[0041] The term "tongue and groove joint" encompasses both tongue and groove joints in the narrower sense and tongue and groove joints. Technical terminology distinguishes between a tongue and groove joint in the narrower sense and a tongue and groove joint. In a tongue and groove joint in the narrower sense, two components to be joined each have a groove, with the tongue being a third component that is inserted into the grooves to connect the two components. In contrast, the technical term "tongue and groove joint" refers to a connection where one of the two components to be joined has a groove and the other has a projection that fits into the groove, which is called a tongue or groove. Both types of joints are characterized by the fact that a positive-locking connection between two components is created by the engagement of a "female" component, namely the groove, and a "male" component, namely the tongue or groove.The bungs interlock. In the present invention, the term "tongue and groove connection" preferably includes both tongue and groove connections in the narrower sense and bungs. Furthermore, the term "spring" preferably includes both a spring of a tongue and groove connection in the narrower sense and a bung of a bung.

[0042] Further aspects, advantages, features and properties of the present invention will become apparent from the claims and the following description of a preferred embodiment with reference to the drawing. It shows: Fig. 1 a schematic section of a wall system with connectors according to a first embodiment; and Fig. 2 a schematic front view through a connector according to a second embodiment.

[0043] In the following description, the same reference symbols are used for identical or similar parts and components, whereby corresponding properties and advantages may result even if a repeated description is omitted.

[0044] Fig. Figure 1 shows a schematic section of a proposed wall system 1 for cladding a wall 2.

[0045] The wall 2 is preferably a vertical wall 2, but it can also run horizontally or be designed as a floor or ceiling or run diagonally.

[0046] Wall 2 is a wall of a sanitary room, for example a bathroom or a toilet room, and / or a wall that (partially) borders a shower or shower cubicle or shower arrangement.

[0047] Wall 2 is preferably plastered or tiled. Alternatively or additionally, wall 2 may have or support a substructure, such as one or more (not shown) intermediate layers, for example, rigid foam boards (e.g., for insulation) and / or sealing membranes for a watertight and / or moisture-proof seal, and / or another substructure, on which or to which the wall system 1 is or will be arranged.

[0048] The wall system 1 is preferably designed to be waterproof and / or moisture-proof and / or is designed or suitable for use in bathrooms, showers, toilets and / or other wet rooms or sanitary facilities.

[0049] Wall system 1 has two or more wall elements 3.

[0050] Furthermore, the wall system 1 has several supports or connectors 4 for attaching or holding the wall elements 3 to the wall 2 or substructure or to another substructure and / or for connecting or joining the wall elements 3. Preferably, each of the wall elements 3 has at least one connector 4 and / or at least one connector 4 is assigned to each wall element 3.

[0051] The connectors 4 are preferably designed for the, in particular, positive locking, connection of two or adjacent wall elements 3, especially at the joint or with a smooth transition on the visible side.

[0052] The connectors 4 are each attached or fastened to the back 6 of the wall element 3.

[0053] The wall elements 3 are preferably designed to be at least substantially identical. Therefore, unless the differentiation of the wall elements 3 in the wall system 1 is important, reference will be made to only one wall element 3, or the term "the wall element 3" will be used, whereby the descriptions of the wall element 3 then preferably apply to all wall elements 3 of the wall system 1.

[0054] The wall element 3 is preferably designed as a plate, panel, and / or flat surface. The wall element 3 preferably has two opposite and / or parallel flat sides, in particular a front 5 and a back 6. The front 5 is the side of the wall element 3 that faces the interior or, after installation of the wall system 1, the flat side of the wall element 3 facing away from the wall 2. The back 6 is the flat side of the wall element 3 that faces the wall 2 or, after installation of the wall system 1, the flat side facing the wall 2.

[0055] The width and / or length of the wall element 3 is preferably a multiple of the thickness of the wall element 3, wherein the thickness of the wall element 3 is referred to as the distance between the front 5 and the back 6, and the width and length are referred to as the dimensions of the wall element 3 transverse to this.

[0056] The wall element 3 is preferably bounded by its two flat sides, or front 5 and back 6, and by one or more side edges, or edges 7. Particularly preferably, the wall element 3 has a rectangular base, or front and back 5, 6, such that the wall element 3 is bounded by the front and back 5, 6 and four edges 7, wherein any two adjacent edges 7 are perpendicular to each other.

[0057] Preferably, the wall element 3 is connected to the connector 4 over its entire surface, in particular by bonding. It is especially preferred that the wall element 3 is connected or bonded to the connector 4 on site, as will be explained in more detail below. However, other solutions are also possible, in particular those in which the connector 4 is already connected to the wall element 3 at the factory, in particular by bonding, and / or forms a pre-assembled unit.

[0058] Preferably, the wall element 3 extends over the entire length of the connector 4 and / or the wall element 3 is designed to completely cover the connector 4.

[0059] The wall element 3 is preferably designed as an aluminum composite panel.

[0060] Particularly preferably, the wall element 3 is made of a composite material, especially a layered composite material or laminate, and / or has a multi-layered structure. The wall element 3 can also be made of or comprise wood, acrylic, or acrylonitrile butadiene styrene (ABS).

[0061] Preferably the wall element 3 has a first layer of plastic, in particular polyethylene, and a second layer of metal, in particular aluminium, preferably wherein the first layer is arranged between the second layer and the support 8 and / or the second layer is arranged on the front side 5.

[0062] Optionally, the wall element 3 has a third layer made of metal, in particular aluminium, preferably wherein the third layer is arranged between the support 8 and the first layer.

[0063] The wall element 3 can in particular have two outer layers or sides made of metal, in particular aluminium, and a middle or inner layer made of plastic, in particular polyethylene, wherein the (middle) layer made of plastic is arranged between the (outer) layers made of metal.

[0064] Preferably, the wall element 3, in particular the second layer, is surface-treated at least on the front side 5, preferably coated, printed and / or lacquered, in particular textured lacquered, and / or roughened. In particular, the wall element 3 or the front side 5 has a decorative layer.

[0065] Preferably, the thickness of the wall element 3 is less than 20 mm, more preferably less than 10 mm, particularly less than 5 mm, and most preferably about 3 mm. The thickness is defined as the distance between the front face 5 and the back face 6.

[0066] The wall system 1 comprises at least two wall elements 3, which, for the sake of distinction, are hereinafter also referred to as the first wall element 3A and the second wall element 3B. The first and second wall elements 3A, 3B are preferably of the same type or at least substantially identical.

[0067] The connectors 4 of the first and second wall elements 3A, 3B are of the same type or identical design.

[0068] The connector 4 of the first wall element 3A forms an engagement section 4B in the form of a tongue or a tongue. The connector 4 of the second wall element 3B forms a groove with the second wall element 3B for the engagement section 4B, or the tongue or tongue. In this way, the wall elements 3A and 3B can be connected to each other by forming a tongue-and-groove connection, in particular a tongue-and-groove joint, or attached or fastened side by side and / or directly adjacent to each other on the wall 2, in particular such that the (mutually facing) edges 7 of the wall elements 3 touch.

[0069] Preferably, at least one of the connectors 4 projects beyond an edge 7 of the wall element 3A, 3B to which it is attached. Particularly preferably, both connectors 4 each project beyond an edge 7 of the wall element 3A, 3B to which they are attached. This is in Fig. 1 shown. If only one of the connectors 4 projects beyond an edge 7 of the wall element to which it is attached, this connector 4 is preferably the connector 4 that forms the spring.

[0070] The wall elements 3A, 3B are preferably attached to the wall 2, in particular by means of the connectors 4, such that they directly abut each other or an edge 7 of the first wall element 3A contacts an edge 7 of the second wall element 3B. This creates a butt joint 8 between the first and second wall elements 3A, 3B.

[0071] In particular, the joint 8 is the area where the wall elements 3A, 3B or their edges 7 abut or contact each other.

[0072] The connectors 4 and / or the edges 7 associated with the connectors 4 preferably run at least substantially vertically. The connectors 4 preferably run parallel to the edges 7 associated with them.

[0073] Preferably, the first and second wall elements 3A, 3B are installed such that no joint, or only a minimal joint, is formed between the wall elements 3A, 3B or their edges 7. In other words, the aim is to create a visually uniform and consistent, particularly seamless, wall covering. This is preferably achieved by eliminating the need for a profile connecting the wall elements 3A, 3B or their edges 7, as required by the present invention. Specifically, it is provided that the first and second wall elements 3A, 3B or their edges 7 are directly adjacent to one another and / or that no (visible) profile is arranged between them.

[0074] The wall elements 3A, 3B, or their front faces 5, preferably form a smooth surface or wall covering in the area of ​​their joint 8. In other words, the surface or wall covering formed by the wall elements 3A, 3B is preferably free of irregularities, edges, and / or steps formed in the area of ​​the joint 8 or by the joint 8. However, it is possible for the wall elements 3A, 3B to have a slightly rough surface structure or decorative layer on their front face 5. The wall elements 3A, 3B, or their front faces 5, are preferably arranged in a common plane.

[0075] The connectors 4 overlap when the first and second wall elements 3A, 3B are attached side by side to the wall 2 such that an edge 7 of the first wall element 3A abuts an edge 7 of the second wall element 3B, in particular when the edges 7 touch, as shown in particular in Fig. Figure 1 shows. Preferably, the joint 8 is covered or sealed in a projection perpendicular to the wall 2 or the wall elements 3A, 3B by one of the connectors 4 or preferably by both connectors 4, in particular by sealing.

[0076] The mutually facing or adjacent edges 7 of the wall elements 3A, 3B are preferably provided with a sealant 9 or connected or sealed against each other.

[0077] The sealant 9 is preferably silicone or another suitable sealant. It is preferred that the edges 7 of the wall elements 3A, 3B are each coated with the sealant 9, for example silicone, before being joined. However, other solutions are also possible.

[0078] The joint 8 of the wall elements 3A, 3B is preferably sealed by a seal 10 arranged between the joint 8 and one of the connectors 4. The seal 10 can be provided as an alternative or additional measure to the sealant 9. The seal 10 can be made of silicone or another suitable sealant, for example, a strip of a suitable sealing material such as rubber or the like.

[0079] The connector 4 of the first wall element 3A and the connector 4 of the second wall element 3B are of the same type or at least essentially identical design. Therefore, in the following, reference will primarily be made to only one connector 4, or we will speak of "the connector 4", whereby the descriptions of the connector 4 then preferably apply to all connectors 4 of the wall system 1.

[0080] In the Fig. 1 and Fig. Section 2, which are referred to collectively below, shows two different embodiments of the connector 4, wherein the one described in Fig. The embodiment shown in 1 is hereinafter referred to as the first embodiment and the embodiment shown in Fig. The embodiment shown in Figure 2 is hereinafter referred to as the second embodiment. Unless explicitly distinguished between the two embodiments or it is mentioned, or unless it is clear from the context that explanations regarding connector 4 refer only to one of the two embodiments, the following explanations apply to both embodiments of connector 4.

[0081] Connector 4 is designed as a flat and elongated profile. In particular, connector 4, or the profile, has a longitudinal axis, or extends along a longitudinal axis. The longitudinal axis runs in the Fig. 1 and Fig. 2 perpendicular to the plane of the drawing. The extent of the connector 4 or profile along the longitudinal axis preferably exceeds the extent(s) of the connector 4 or profile perpendicular to the longitudinal axis by a multiple.

[0082] The connector 4 has a first section 4A and an engagement section 4B, hereinafter referred to as the "second section 4B". Preferably, the first and / or second section 4A, 4B are flat. The first and second sections 4A, 4B are formed in one piece.

[0083] The second section 4B is leg-like or web-like. The second section 4B extends leg-like or web-like from the first section 4A and / or projects from the first section 4A, transversely to the longitudinal axis of the profile or connector 4.

[0084] The first section 4A and the second section 4B are preferably arranged side by side in the direction of the longitudinal axis of the connector 4 or profile. Preferably, the first section 4A transitions directly into the second section 4B and / or the second section 4B connects directly to the first section 4A.

[0085] The first section 4A has a first flat side 10A and a second flat side 10B, wherein the first flat side 10A and the second flat side 10B are parallel to each other.

[0086] The second section 4B has a first flat side 11A and a second flat side 11B, wherein the first flat side 11A and the second flat side 11B are parallel to each other.

[0087] Preferably, the first flat side 10A of the first section 4A and the first flat side 11A of the second section 4B together form a first flat side of the connector 4 or profile and / or the second flat side 10B of the first section 4A and the second flat side 11B of the second section 4B together form a second flat side of the connector 4 or profile.

[0088] The first and second flat sides 10A, 10B of the first section 4A are preferably parallel to the first and second flat sides 11A, 11B of the second section 4B.

[0089] The first flat side 10A of the first section 4A forms a common flat surface with the first flat side 11A of the second section 4B or lies in a common plane with it. In particular, this creates a smooth, continuous first flat side of the connector 4, free of irregularities and / or edges.

[0090] A step is formed between the second flat side 10B of the first section 4A and the second flat side 11B of the second section 4B, or the first section transitions into the second section through a step.

[0091] The first section 4A has a thickness D1 and the second section 4B has a thickness D2. The thickness D2 of the second section 4B is approximately half the thickness D1 of the first section 4A.

[0092] Due to the reduced thickness D2 of the second section 4B compared to the first section 4A, a recess 12 is preferably formed on a flat side of the connector 4 or profile in the area of ​​the second section 4B. The recess 12 is preferably at least substantially congruent in cross-section to the second section 4B. The recess 12 is in Fig. 2 schematically indicated by a dashed line.

[0093] The recess 12 is formed in particular by the fact that the second section 4B, with a smaller thickness D2, continues from the first section 4A, which has a thickness D1, and thus the second flat side 11B of the second section 4B is offset, or in particular recessed, relative to the second flat side 10B of the first section 4A. The recess 12 arises in particular by an imaginary or virtual removal of material from the connector 4, such that the different sections 4A and 4B are created or formed by the material removal or the resulting reduction in thickness D1 relative to thickness D2. This does not mean that the connector 4 is actually manufactured in such a way that the different sections 4A and 4B are created by material removal, but merely serves to explain the term "recess".

[0094] The recess 12 is preferably substantially rectangular in cross-section and / or preferably results in a rectangular cross-section with the second section 4B, as in particular shown. Fig. 1 is evident.

[0095] Preferably, the first section 4A has a cross-section that is at least substantially rectangular, in particular where the corners may be rounded.

[0096] Preferably, the second section 4B is formed in cross-section at least substantially rectangular, wherein the corners may be rounded and / or the second section is tapered at a free end 13 and / or has a chamfer and / or rounding.

[0097] The recess 12 is preferably, in particular apart from the tapering or chamfering or rounding at the free end 13 and / or possibly rounded corners, formed in cross-section at least substantially rectangular.

[0098] The connector 4 is bonded to the wall element 3 and / or the wall 2 or attached to it by means of an adhesive 15. Preferably, the connector 4 has one or more adhesives 15 on one or both flat sides (each).

[0099] The adhesive 15 is formed by a double-sided adhesive tape. The adhesive 15 preferably extends at least substantially the entire length of the connector 4.

[0100] The wall element 3 is preferably attached to the wall 2 by means of a fastening element 16. The fastening element 16 can be, in particular, a retaining element or other component, but also an adhesive element or adhesive. The adhesive is preferably applied over a large area to the wall element 3 and / or placed between the wall element 3 and the wall 2.

[0101] Preferably the fastening element 16 is an adhesive, in particular silicone-based and / or containing or consisting of silicone.

[0102] Alternatively or in addition to attaching the wall element 3 to the wall 2 with the fastening device 16, the connector 4 can be attached to the wall 2, in particular by means of the adhesive 15.

[0103] Preferably, the first section 4A has (at least) one adhesive 15 on both the first flat side 10A and the second flat side 10B. The second section 4B preferably has one adhesive 15 only on the first flat side 11A.

[0104] The first flat side of the connector 4 of the first wall element 3A, or the first flat sides 10A, 11A of the first and second sections 4A, 4B of the connector 4 of the first wall element 3A, is / are preferably associated with and / or facing the wall 2 and / or attached to the wall 2, in particular bonded to it. The second flat side of the connector 4 of the first wall element 3A, in particular the second flat side 10B of the first section 4A, is preferably associated with and / or facing the first wall element 3A and / or attached to the first wall element 3A, in particular bonded to it.

[0105] The first flat side of the connector 4 of the second wall element 3B, or the first flat sides 10A, 11A of the first and second sections 4A, 4B of the connector 4 of the second wall element 3B, is / are preferably associated with and / or facing the second wall element 3B and / or attached to the second wall element 3B, in particular bonded to it. The second flat side of the connector 4 of the second wall element 3A, in particular the second flat side 10B of the first section 4A, is preferably associated with and / or facing the wall 2 and / or attached to the wall 2, in particular bonded to it.

[0106] Preferably, the connector 4 is attached to the wall element 3A, 3B using the adhesive 15, and the wall element 3A, 3B is attached to the wall 2 using the fastener 16. Alternatively, the connector 4 can be attached to the wall 2 using the adhesive 15, either as an alternative or in addition to attaching the wall element 3A, 3B to the wall with the fastener 16.

[0107] The connector 4 of the second wall element 3B is arranged differently or with a different flat side on the second wall element 3B than the connector 4 on the first wall element 3A, so that the connector 4 of the second wall element 3B forms a groove with the wall element 3B and the connector 4 of the first wall element 3A forms a tongue or a tongue for insertion or engagement in the groove.

[0108] The recess 12 of the connector 4, together with the different arrangement of the connectors 4 on the first and second wall elements 3A, 3B, ensures that only one type of connector 4 is required, or that two identically designed connectors 4 can be provided, while still allowing a tongue-and-groove joint or tongue-and-groove connection for joining the wall elements 3A, 3B. In other words, differently designed connectors 4 or wall elements 3A, 3B are not needed.

[0109] This is achieved in particular by the fact that the recess 12 is designed to be at least substantially congruent with the second section 4B. As a result, the connector 4 of the first wall element 3A, or its second section 4B, forms a tongue or a tongue that can be inserted or engages precisely, i.e., with as little play as possible, into the groove formed between the connector 4 of the second wall element 3B, or its second section 4B, and the second wall element 3B.

[0110] In the illustrated embodiments, the precise fit of two connectors 4 is achieved by ensuring that both the recess 12 and the second section 4B have a cross-section that is at least substantially rectangular, apart from the chamfer, rounding, or tapering at the free end 13 and any rounded corners. However, it is also conceivable to give the connector 4 or the second section 4B a different shape, for example, with various chamfers and / or rounding and / or multiple steps, such that the recess 12 has a cross-section that is at least substantially congruent with the second section 4B. The congruence of the recess 12 and the second section 4 results in the connectors 4, which are attached to the wall elements 3A and 3B with different flat sides, forming a groove in the second wall element 3B and a tongue or groove corresponding to the groove in the first wall element 3A.A bung that fits the groove is formed.

[0111] The interlocking, connected, or overlapping connectors 4 of the first and second wall elements 3A, 3B, or their second sections 4B, preferably form a section between the joint 8 and the wall 2 that has the same thickness as the first section 4A of the connectors 4. This is achieved in particular by making the thickness D1 of the first section 4A twice the thickness D2 of the second section 4B. This ensures that the first and second wall elements 3A, 3B run parallel to each other, or that their front faces 5 lie in a common plane and are free of edges or irregularities, especially in the area of ​​the joint 8.

[0112] In the first embodiment of the connector 4, the first section 4A preferably has a thickness D1 that is at least substantially constant. The same preferably applies to the second section 4B, apart from the tapering, chamfering, or rounding arranged at the free end 13.

[0113] In contrast to the first embodiment, in the second embodiment the first section 4A preferably does not have a constant thickness D1.

[0114] In the second embodiment, the first section 4A preferably has one or more recesses 14. Preferably, the first section 4A has one or more recesses 14 on both the first flat side 10A and the second flat side 10B.

[0115] The recesses 14 preferably extend at least substantially over the entire length of the connector 4.

[0116] The thickness of the first section 4A is reduced in the area of ​​the depressions 14. In this case, the maximum thickness of the first section 4A is preferably referred to as thickness D1. In the area of ​​the depressions 14, the thickness of the first section 4A is preferably less than 5 mm, preferably about 2 mm or about 1 mm, compared to the maximum thickness D1.

[0117] The width of the recesses 14 is preferably more than 50%, particularly more than 60%, and especially preferably more than 70%, and / or less than 90% of the width B of the first section 4A. Width B is defined as the extent of the first section transverse to the longitudinal axis and parallel to the flat sides 10A, 10B.

[0118] The recesses 14 are preferably designed to accommodate fastening means, in particular adhesives 15, for attaching the connector 4 to the wall 2 or the wall element 3.

[0119] The following describes a method for manufacturing wall system 1 or for attaching or installing wall system 1 on wall 2.

[0120] Preferably, the connector 4 is arranged or attached to the second wall element 3B in such a way that the connector 4 or the second section 4B projects beyond an edge 7 of the second wall element 3B.

[0121] A connector 4 is attached to the second wall element 3B, in particular with the second flat side of the connector 4 or second section 4B, and / or such that a groove is formed between the connector 4 and the second wall element 3B, in particular between the second flat side 11B of the second section 4B and the rear side 6 of the first wall element 3A, between the connector 4 or the second section 4B and / or through the recess 12. The connector 4 is attached to the second wall element 3B by means of an adhesive 15 or by bonding. The adhesive 15 is a double-sided adhesive tape.

[0122] Furthermore, a connector 4 is attached to the first wall element 3A, in particular with the first flat side of the support 4 or of the first and / or second section 4A, 4B, and / or such that the second section 4B projects beyond an edge 7 of the first wall element 3B or forms a tongue or a tongue for insertion into the groove. The connector 4 is attached to the first wall element 3A by means of an adhesive 15 or by bonding. The adhesive 15 is a double-sided adhesive tape. Preferably, the flat side of the connector 4 facing the wall 2 is also already provided with an adhesive 15.

[0123] The connectors 4 are preferably attached to the wall elements 3A, 3B on site or at the installation site of the wall system 1. However, it is also possible for the connectors 4 to be attached to the wall elements 3A, 3B at the factory.

[0124] One of the wall elements 3A, 3B, or its edge 7, or preferably both wall elements 3A, 3B, or their edges 7, is / are preferably provided with a sealant 9 to seal a joint 8 between the wall elements 3A, 3B. Analogous to the fastening of the connectors 4 to the wall elements 3A, 3B, this can preferably be done on site or optionally at the factory.

[0125] The second wall element 3B is then attached to the wall 2 using the connector 4, which forms a groove with the second wall element 3B. The second wall element 3A is preferably attached to the wall 2 using the fastener 16, in particular by adhesive bonding. For this purpose, the fastener 16 is preferably first applied to the wall element 3B, especially over a large area. The wall element 3B is then positioned on the wall 2 and thereby attached to or bonded to the wall 2.

[0126] Optionally, alternatively or additionally to fastening the wall element 3B to the wall 2 with the fastening means 16, the connector 4 can be fastened to the wall 2 with an adhesive 15, in particular where the same adhesive 15 can be used as for fastening the connector 4 to the wall element 3A, 3B.

[0127] The first wall element 3A is then preferably attached to the wall 2 or positioned next to the second wall element 3B, and in particular connected to it. Preferably, a fastening material 16 is first applied to the wall element 3A, especially over a large area.

[0128] To attach the first wall element 3A, the second section 4B of the attached connector 4 is inserted into the groove formed by the second wall element 3B and its connector 4. Preferably, the first wall element 3A is inserted obliquely into the groove for this purpose, in particular where (initially) the front and / or back 5, 6 of the first wall element 3A forms an acute angle with the wall 2, in particular an angle greater than 30° and / or less than 60°, preferably about 45°. This facilitates the correct positioning of the first wall element 3A next to the second wall element 3B. This is further supported by the recess, rounding, or tapering provided at the free end 13.

[0129] Subsequently, the second section 4B of the connector 4 of the first wall element 3A is inserted further into the groove, so that the first wall element 3A is moved in the direction of the second wall element 3B, in particular until the first wall element 3A contacts or touches the second wall element 3B.

[0130] By pressing the wall elements 3A, 3B against the wall 2, a stable bond between the connectors 4 and the wall elements 3A, 3B and / or a stable connection between the wall elements 3A, 3B and the wall 2 is achieved.

[0131] Optionally, before attaching the first wall element 3A to the wall 2, the connector 4 of the first wall element 3A, in particular its second section 4B or the first flat side 11A of the second section 4B, can be provided with a seal 10 to seal the joint 8 between the wall elements 3A, 3B. Reference symbol list: 1 wall system 2 walls 3 wall elements 3A first wall element 3B second wall element 4 beams / connectors 4A first section 4B Intervention section / second section 5 Front 6 Back 7-edge 8 thrust 9 Sealants 10 Seal 10A first flat side (first section) 10B second flat page (first section) 11A first flat side (second section) 11B second flat page (second section) 12 recesses 13 free ending 14 In-depth study 15 adhesives 16 Fasteners B Width (first section) D1 Thickness (first section) D2 thickness (second section)

Claims

[1] Wall system (1) for cladding a wall (2) of a sanitary room with a first wall element (3A) and a second wall element (3B), wherein a connector (4) for connecting the wall elements (3A, 3B) is attached to a back side (6) of the wall elements (3A, 3B) associated with the wall (2), wherein the connectors (4) are attached to the respective wall element (3A, 3B) with double-sided adhesive tape, wherein the connector (4) of the first wall element (3A) forms an engagement section (4B) in the form of a tongue or a tongue and the connector (4) of the second wall element (3B) forms a groove for the engagement section (4B) with the second wall element (3B), and wherein the connectors (4) overlap when the first and second wall elements (3A, 3B) are attached side by side to the wall (2) such that an edge (7) of the first wall element (3A) abuts an edge (7) of the second wall element (3B), wherein the connectors (4) are each designed as flat and elongated profiles and are arranged parallel to the respective edge (7) of the respective wall element (3A, 3B), wherein the connector (4) of the first wall element (3A) is designed in the same or identical manner as the connector (4) of the second wall element (3B), wherein the connectors (4) are each formed with a first section (4A) and a second section (4B), wherein the first and second sections (4A, 4B) are formed in one piece, wherein the second section (4B) extends transversely to a longitudinal axis of the profile in a leg-like manner from the first section (4A), wherein the thickness (D2) of the second section (4B) is approximately half the thickness (D1) of the first section (4A), wherein the first and second sections (4A, 4B) each have a first flat side (10A, 11A) and a second flat side (10B, 11B), wherein the first and second flat sides (10A, 10B, 11A, 11B) of the respective section (4A, 4B) are parallel to each other, wherein the first flat side (10A) of the first section (4A) and the first flat side (11A) of the second section (4B) form a common flat surface and lie in a common plane, and wherein a step is formed between the second flat side (10B) of the first section (4A) and the second flat side (11B) of the second section (4B), and wherein the connector (4) of the second wall element (3B) is arranged in the opposite direction or with a different flat side on the second wall element (3B) than the connector (4) on the first wall element (3A), so that the connector (4) of the second wall element (3B) forms the groove with the second wall element (3B) and the connector (4) of the first wall element (3A) forms the tongue or tongue for engaging in the groove. [2] Wall system according to claim 1, characterized by , that the front surfaces of the wall elements (3A, 3B) form a smooth surface in the area of ​​their joint (8). [3] wall system according to one of the preceding claims, characterized by , that the respective second section (4B) has a chamfer or rounding or is tapered at a free end (13). [4] Use of connectors (4) to join adjacent wall elements (3A, 3B) to form a wall system (1) for cladding a wall (2) of a sanitary room, wherein the connectors (4) are of the same or identical type, wherein the connectors (4) are designed as flat and elongated profiles, each with a first section (4A) and a second section (4B), wherein the first and second sections (4A, 4B) are formed in one piece, wherein the second section (4B) extends transversely to a longitudinal axis of the profile in a leg-like manner from the first section (4A), wherein the thickness (D2) of the second section (4B) is approximately half the thickness (D1) of the first section (4A), wherein the first and second sections (4A, 4B) each have a first flat side (10A, 11A) and a second flat side (10B, 11B), wherein the first and second flat sides (10A, 10B, 11A, 11B) of the respective section (4A, 4B) are parallel to each other, wherein the first flat side (10A) of the first section (4A) and the first flat side (11A) of the second section (4B) form a common flat surface and lie in a common plane, and wherein a step is formed between the second flat side (10B) of the first section (4A) and the second flat side (11B) of the second section (4B), wherein the connectors (4) are each attached parallel to an edge (7) of a wall element (3A, 3B) at the location of installation of the wall system (1) to a back side (6) of the respective wall element (3A, 3B) associated with the wall (2) using double-sided adhesive tape, wherein the connector (4) of a second wall element (3B) is arranged in the opposite direction or with a different flat side on the second wall element (3B) than the connector (4) on a first wall element (3A), so that the connector (4) of the second wall element (3B) forms a groove with the second wall element (3B) and the connector (4) of the first wall element (3A) forms a tongue or a tongue for engaging in the groove. [5] Use according to claim 4, characterized by , that the second section (4B) has a chamfer or rounding or is tapered at a free end (13).

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