Facade system and components for it

Abstract

Fastening element (1) for two facade panels (40, 40') with lateral projection (45.2; 45.2') or lateral recess (46; 46'), comprising a front (2) and a back (3), a first mounting surface (4) facing the front (2) for mounting a first facade panel (40), a second mounting surface (5) facing the front (2) for mounting a second facade panel (40'), a hook structure with at least two hooks (7, 8) having a base section (7.1, 8.1) and a transverse section (7.2, 8.2) extending along the first mounting surface (4) and / or second mounting surface (5) in the direction of a spatial axis (R; R') away from the base section (7.1, 8.1), wherein one of the hooks (7, 8) projects from a first mounting surface having the first mounting surface (4) in the direction of the front (2) and is configured with its transverse section (7.2) to engage in a lateral recess (46) of the first facade panel (40) or to engage a lateral projection (45.2) of the first facade panel (40), and the other hook (8) projects from a second mounting surface having the second mounting surface (5) in the direction of the front (2) and is configured with its transverse section (8.2) to engage in a lateral recess (46') of the second facade panel (40') or to overlap a lateral projection (45.2') of the second facade panel (40'), . at least one projection (9) which is assigned to the first mounting surface (4) and projects out from the first mounting plane in the direction of the front (2), wherein the projection (9) is designed to serve as a stop for the first facade panel (40), and is arranged in front of the foot section (7.1) in relation to the hook (7) belonging to the first mounting surface (4) in the direction of the spatial axis (R) towards its base section (7.1), a fastening structure (10) for fastening the fastening element (1) to a substructure (100) for a building wall or directly to a building wall.

Description

[0001] The present disclosure relates to a facade system and components thereof, in particular a fastening element for two facade panels, a fastening element for one facade panel, a facade panel, a substructure profile and a starter profile.

[0002] Facade systems are used to clad the exterior walls of a building, for example, to change the building's appearance and / or to protect the building envelope. Facade systems are particularly suitable for energy-efficient renovations of a building's envelope. They provide a durable and resilient exterior finish for a building's exterior wall lined with thermal insulation mats.

[0003] Conventional facade systems consist of flat cladding elements that are attached directly to the building's exterior wall or via a substructure. Nails, screws, or similar fasteners are typically used for this purpose. To achieve a stable fastening of the often heavy cladding elements, numerous fasteners are usually required. This necessitates additional installation effort.

[0004] However, nailing or screwing the flat cladding elements in place can also promote undesirable stresses, which can occur, for example, when the installed cladding elements shrink or expand. Furthermore, the heads of the nails and screws are often visible, thus detracting from the appearance.

[0005] Against this background, there is a need to propose an improved facade system. This is based, in particular, on the expectation that the improved facade system will allow for the fastening of the flat cladding elements with as few screws as possible, if not entirely or almost entirely without screws. Furthermore, it is expected that the improved facade system will enable the construction of a cladding system in which no or virtually no stresses occur due to shrinkage or expansion of the installed cladding elements.

[0006] In this regard, a facade system with several components is proposed. The proposed components include a fastening element for two facade panels and, in particular, a fastening element for one facade panel. Additionally, the proposed facade system may include a substructure profile for a facade substructure. The proposed facade system may also include a starter profile. The components are not necessarily intended to be used in conjunction with the facade system but can also be used independently. Various embodiments of the components of the proposed facade system are described below.

[0007] One embodiment of a fastening element for two facade panels is preferably suitable for facade panels that have a lateral projection or a lateral recess. In particular, the proposed fastening element comprises a front and a back, a first contact surface facing the front for attaching a first facade panel, and a second contact surface facing the front for attaching a second facade panel.

[0008] The proposed fastening element further comprises a hook structure with at least two hooks, which have a foot section and a transverse section located perpendicular to it, and the transverse section extends along the first contact surface and / or second contact surface in the direction of a spatial axis away from the foot section.

[0009] In particular, one of the hooks protrudes from a first mounting surface, which has the first mounting area, towards the front. Specifically, this hook is designed to engage with its transverse section in a lateral recess of the first facade panel or to engage a lateral projection of the first facade panel.

[0010] In particular, the other hook projects from a second mounting level, which has the second mounting surface, towards the front. Specifically, the other hook is configured to engage with its transverse section in a lateral recess of the second facade panel or to overlap a lateral projection of the second facade panel. The second mounting level can be located within the first mounting level. For example, the first mounting level and the second mounting level may form a common plane.

[0011] Furthermore, the proposed fastening element includes a fastening structure for attaching the fastening element to a substructure, for example for a building wall, or directly to a building wall.

[0012] The proposed fastening element allows for screwless attachment of the facade panels. This is achieved through the provided hook structure. Furthermore, the design of this hook structure allows for the screwless attachment of two facade panels to the fastening element.

[0013] In a further embodiment, the proposed fastening element comprises at least one projection which is associated with the first contact surface and projects outwards from the first contact plane towards the front. The projection is arranged in front of the base section of the hook belonging to the first contact surface, viewed along the spatial axis towards its base section, and is specifically designed to serve as a stop for the first facade panel.

[0014] The proposed fastening element thus provides protection against warping of the wall cladding constructed with it when facade panels with expansion properties are used. The integrated projection allows for controlled absorption of the facade panel's expansion. Because the projection is positioned in front of the base of the corresponding hook, the installed facade panel is initially kept at a distance from the hook, which engages with the panel.

[0015] The gap between the projection and the base of the hook creates a buffer into which the facade panel can expand. This prevents the undesirable situation where, in the event of expansion, the facade panel presses against the corresponding hook and unintentionally moves the entire fastening element from its original installation position.

[0016] The proposed fastening element can be designed such that the projection is flexible and configured to yield towards the base of the associated hook when the first facade panel exerts a force on the projection that exceeds a preferably predetermined, and in particular material-related, limiting force. This allows the projection to perform its stop function with respect to the associated facade panel, for example during installation, as long as the stop force acting on the projection remains below the limiting force. At the same time, the projection yields if the facade panel expands in the installed state and the stop force exceeds the limiting force, thus counteracting the transmission of force into the fastening element via the projection.

[0017] The proposed fastener can further be designed such that the projection is formed by a section of material produced by punching it out of a base section of the fastener and bending it along a bending edge. This facilitates technically simple manufacturing of the projection. The flexibility of the projection can also be easily achieved in this way, for example, by having the bending edge run transversely, and in particular orthogonally, to the spatial axis. This allows the projection to yield when the limiting force is exceeded, as the projection bends or shifts at the bending edge.

[0018] The proposed fastening element can further be designed such that, starting from the base section, the transverse section of the associated hook terminates at a distance greater than the distance between the base section and the end of the transverse section of the other hook in the direction of its spatial axis. This counteracts the situation where, in the event of shrinkage of the facade panel, the hook engaging with the facade panel becomes disengaged and thus impairs the stability of the fastening.

[0019] Such a situation exists, for example, when in a facade construction the facade panel is provided on opposite sides with a fastening element of the type of the proposed fastening element, and a different hook is engaged or overlaps the facade panel, and the hook with the smaller distance, i.e. the shorter hook, is located on a fixed side of the facade panel, so that shrinkage of the facade panel is not noticeable there, but rather occurs on the side with the other hook.

[0020] In particular, the distance between the foot section and the end of the transverse section of the corresponding hook is at least one distance greater than the distance between the foot section of the corresponding hook and the projection, compared to the distance between the foot section and the end of the transverse section of the other hook. This means that at least the distance between the foot section of said hook and the projection is compensated for by an increased hook length.

[0021] In another embodiment, the fastening structure has a through-hole suitable for a fastener, with the opening facing the front. This allows the proposed fastening element to be screwed to a substructure.

[0022] In this embodiment, it is advantageous for the proposed fastening element to have a surface section that is recessed towards the rear relative to the first and / or second contact surface and features the hole opening. This prevents the head of the fastener, for example a screw head, from protruding above the contact surface towards the front, thus hindering the installation of the facade panel on the fastening element.

[0023] The hole in the recessed area allows the head of the fastener to be positioned outside the plane of contact. This also allows for the use of relatively large heads. When screws are used as fasteners, the relatively large head allows for a relatively high torque to be applied, thus facilitating the screw's insertion.

[0024] Furthermore, it is advantageous to arrange one of the hooks on the recessed surface section, particularly by molding it in place. This promotes a compact design for the proposed fastening element.

[0025] For example, the hook associated with the first mounting surface is positioned on the recessed section of the surface, and this hook points away from the hole opening. This allows access to the hole opening or through-hole even when the proposed fastener, with the hook associated with the first mounting surface, is already in an engagement or overlapping position on a facade panel. It is then still possible to attach the proposed fastener to a substructure via the through-hole. This simplifies installation.

[0026] In particular, the proposed fastening element comprises a U-shaped profile section with two legs and an intermediate base web, wherein the recessed surface section is arranged, and in particular formed, on the base web. The U-shaped profile section facilitates positioning of the fastening element on a substructure if the substructure has a receptacle corresponding to the U-shaped profile section.

[0027] The legs allow the position of the fastening element relative to the substructure to be fixed perpendicular to the longitudinal extent of the U-shaped profile section, while allowing for movement along the longitudinal extent of the U-shaped profile section. For example, the U-shaped profile section has a longitudinal extent in the direction in which the hook associated with the first contact surface points. For example, the U-shaped profile section extends longitudinally along the spatial axis.

[0028] In particular, the first and / or second contact surface(s) is / are interrupted by the U-shaped profile section. Specifically, the first and / or second contact surface(s) are located on both sides of the U-shaped profile section in its longitudinal direction. This improves the stability of the proposed fastening element. It also facilitates a well-distributed contact between the facade panel to be mounted and the first or second contact surface. This simplifies installation and counteracts any undesirable deformation of the proposed fastening element during installation and / or in its installed state.

[0029] In particular, viewed along the spatial axis, the first and second mounting surfaces are positioned one behind the other. Specifically, the at least two hooks point in opposite directions. This facilitates a symmetrical design, which in turn allows the proposed fastening element to be used as a standard component. This means that, for the construction of a wall cladding, only fasteners of the type proposed can be used. This simplifies installation and saves costs.

[0030] The proposed fastening element can be designed such that the at least two hooks are formed by a material section produced by punching out a base section of the fastening element and bending it along at least one bending edge, which runs transversely, and in particular orthogonally, to the corresponding spatial axis. This facilitates technically simple manufacturing of the proposed fastening element.

[0031] The proposed fastening element can further be designed such that the hook belonging to the second mounting surface is provided twice, and, viewed along the spatial axis, the hook belonging to the first mounting surface is arranged between these two hooks. The double hook design reinforces the hook structure, enabling it to withstand higher overall forces.

[0032] In a further or different embodiment of the proposed fastening element, the fastening structure comprises at least one snap-fit ​​structure for forming a snap connection with the substructure. The proposed fastening element can be designed such that the snap-fit ​​structure has or consists of a spring-elastic material and is, in particular, configured to be elastically deformed and / or expanded against the spring force of the material in a transverse direction, especially orthogonal to the spatial axis, in order to be slipped over a counter-structure of the substructure.

[0033] The snap-fit ​​design facilitates the attachment of the proposed fastener to the substructure without the need for a separate connecting element. This snap-fit ​​design allows the proposed fastener to be held to the substructure by frictional and / or positive locking, while still permitting movement along the spatial axis. This can be configured such that movement of the proposed fastener relative to the substructure along the spatial axis is only possible when a minimum force acting in that direction is applied, overcoming the existing frictional connection.

[0034] It can be provided that, viewed transversely, and in particular orthogonally to the spatial axis, the snap-fit ​​structure has, for example, at least two material sections adjoining a base section having the first contact surface and / or the second contact surface. These material sections are: first, a first material section extending obliquely away from the base section and then, preferably, a second material section extending obliquely towards the spatial axis. It has been shown that such a snap-fit ​​structure achieves a sufficiently durable snap connection with the substructure.

[0035] Alternatively, the snap-fit ​​structure can be provided with at least two material sections adjoining a base section comprising the first contact surface and / or the second contact surface, viewed transversely, particularly orthogonally, to the spatial axis. These material sections consist of a first section extending orthogonally away from the base section, followed by a second section, preferably extending obliquely towards the spatial axis. It has been shown that a sufficiently durable snap-fit ​​connection with the substructure can also be achieved using such a snap-fit ​​structure.

[0036] Furthermore, it has been shown that a sufficiently durable snap connection is favored when, viewed transversely, especially orthogonally to the spatial axis, the first material section and, in particular, the second material section are straight or substantially straight. For example, in this case, the first material section and, in particular, the second material section are planar or substantially planar.

[0037] It has also been shown that a sufficiently durable snap connection is favored when the first material section is curved, particularly arc-shaped, when viewed transversely, especially orthogonally, to the spatial axis. For example, in this case, the first material section exhibits a convex curvature with respect to the spatial axis. The second material section can be straight or essentially straight, for example, flat or essentially flat.

[0038] With regard to the base section, it can be provided that, viewed transversely, in particular orthogonally to the spatial axis, the base section runs in a straight line or is essentially straight. For example, the base section is planar or essentially planar.

[0039] Furthermore, it can be provided that an insertion section, preferably extending obliquely away from the spatial axis, extends transversely, particularly orthogonally, from the second material section. This facilitates the insertion of the snap-fit ​​structure onto the counter-structure of the substructure. The insertion section can be straight or curved, particularly arc-shaped, transversely, particularly orthogonally, to the spatial axis.

[0040] The insertion section facilitates a force-saving production of the snap connection, for example by placing the fastening element on the substructure or substructure strip with a side opposite the snap structure and then bringing the fastening element with its snap structure and via the insertion section into the effective position against the counter structure of the substructure.

[0041] Furthermore, the proposed fastening element can be designed such that the snap-in mechanism is provided twice, i.e., two snap-in mechanisms are provided. In this case, one of the snap-in mechanisms can be located transversely, particularly orthogonally to the spatial axis, on both sides of the first and / or second contact surface. This promotes a secure fit of the fastening element to the substructure when the snap-in mechanism is engaged with the corresponding structure of the substructure.

[0042] For example, the spatial axis is a central axis. For example, the two snap structures are arranged symmetrically to each other with respect to the spatial axis. For example, the first material sections of the two snap structures, and in particular the second material sections, form a receiving space for the force-fit and / or form-fit reception of a head profile of the substructure, in particular a head profile of a substructure profile.

[0043] Furthermore, the proposed fastening element can be designed such that the snap-fit ​​structure, or at least one snap-fit ​​structure, is generated by bending along at least one, preferably several, bending edges extending in the direction of the spatial axis. This facilitates technically simple manufacturing of the proposed fastening element.

[0044] The fastening element is preferably a metal part that contains or consists of a metallic material, such as spring steel. For example, the fastening element is a sheet metal part.

[0045] One embodiment of a fastening element for a facade panel is preferably suitable for a facade panel that has a lateral projection or a lateral recess. In particular, the fastening element comprises a front and a back surface and a contact surface facing the front for attaching a facade panel.

[0046] This embodiment is suitable for use in fastening a first facade panel, for example, when facade panels are installed, for instance, to achieve an invisible fastening of the first facade panel to the substructure. Therefore, and particularly to distinguish it from the aforementioned fastening element for two facade panels, the fastening element for a single facade panel is also referred to in this disclosure as the starter fastening element. The starter fastening element is particularly suitable, and specifically designed, for fastening a single facade panel.

[0047] The proposed initial fastening element comprises a hook structure with at least one hook, which has a base section and a transverse section extending along the mounting surface in the direction of a spatial axis from the base section. Specifically, the hook projects from a mounting plane containing the mounting surface towards the front. The hook is designed to engage with its transverse section in a lateral recess of the facade panel or to engage a lateral projection of the facade panel. The proposed initial fastening element enables screwless attachment of the facade panel. The provided hook structure serves this purpose.

[0048] Furthermore, the proposed starter fastener includes a mounting structure for attaching the fastener to a substructure, for example, a building wall, or directly to a building wall. In one possible embodiment, the mounting structure has a through-hole suitable for a connecting element, with the opening facing the front. This allows the proposed starter fastener to be screwed to a substructure.

[0049] In this embodiment, it is advantageous for the proposed starter fastener to have a surface section that is recessed relative to the rear mounting surface and features a hole. This prevents the head of the fastener, for example, a screw head, from protruding above the mounting plane towards the front, thus hindering the installation of the facade panel on the starter fastener. The hole in the recessed surface section allows the fastener head to be positioned outside the mounting plane. It also allows for the use of relatively large heads. When screws are used as fasteners, the relatively large head allows for the application of a relatively high torque, thereby facilitating the screw's insertion.

[0050] In particular, the proposed starting fastening element comprises a U-shaped profile section with two legs and an intermediate base web. Specifically, the recessed surface section is arranged on the base web and is designed accordingly. The U-shaped profile section facilitates positioning of the fastening element on a substructure if the substructure has a receptacle corresponding to the U-shaped profile section.

[0051] The legs allow the position of the starting fastening element relative to the substructure to be fixed transversely to the longitudinal extent of the U-shaped profile section, while allowing for movement along the longitudinal extent of the U-shaped profile section. For example, the U-shaped profile section has a longitudinal extent in the direction in which the hook points. For example, the U-shaped profile section extends longitudinally along the spatial axis.

[0052] In particular, the contact surface is interrupted by the U-shaped profile section. Specifically, the contact surface is located on both sides of the U-shaped profile section in its longitudinal direction. This improves the stability of the proposed starter fastening element. It also promotes a well-distributed contact of the facade panel to be mounted against the contact surface. This facilitates installation and counteracts any undesirable deformation of the proposed starter fastening element during installation and / or in the installed state.

[0053] The proposed starter fastening element can be designed such that the hook, or at least one hook, is formed by a material section produced by punching it out of a base section of the starter fastening element and bending it along at least one bending edge, which runs transversely, and in particular orthogonally, to the spatial axis. This facilitates a technically simple manufacturing process for the proposed starter fastening element.

[0054] The proposed starting fastening element can further be designed such that the hook is provided twice. In particular, viewed along the spatial axis, the recessed surface section and / or the U-shaped profile section are located between the two hooks. The two hooks reinforce the hook structure, enabling it to withstand higher overall forces.

[0055] In a further or different embodiment of the proposed start fastening element, the fastening structure comprises at least one snap-fit ​​structure for forming a snap connection with the substructure. The proposed start fastening element can be designed such that the snap-fit ​​structure has or consists of a spring-elastic material and is, in particular, configured to be elastically deformed and / or expanded against the spring force of the material in a transverse direction, especially orthogonal to the spatial axis, in order to be slipped over a counter-structure of the substructure.

[0056] The snap-fit ​​design facilitates the attachment of the proposed starter fastener to the substructure without the need for a separate connecting element. This snap-fit ​​design allows the proposed starter fastener to be held to the substructure by frictional and / or positive locking, while still permitting movement along the spatial axis. This can be configured such that movement of the proposed starter fastener relative to the substructure along the spatial axis is only possible when a minimum force acting in that direction is applied, overcoming the existing frictional connection.

[0057] It can be provided that, viewed transversely, and in particular orthogonally to the spatial axis, the snap-fit ​​structure has, for example, at least two material sections adjoining a base section having the contact surface. First, a material section extends obliquely away from the spatial axis from the base section, followed by a second material section, preferably extending obliquely towards the spatial axis. It has been shown that such a snap-fit ​​structure achieves a sufficiently durable snap connection with the substructure.

[0058] Alternatively, the snap-fit ​​structure can be designed so that, viewed transversely, and in particular orthogonally to the spatial axis, it has, for example, at least two material sections adjoining a base section that has the contact surface. These sections consist of a first material section extending orthogonally away from the base section, followed by a second material section, preferably extending obliquely towards the spatial axis. It has been shown that a sufficiently durable snap connection with the substructure can also be achieved with such a snap-fit ​​structure.

[0059] Furthermore, it has been shown that a sufficiently durable snap connection is favored when, viewed transversely, especially orthogonally to the spatial axis, the first material section and, in particular, the second material section are straight or substantially straight. For example, in this case, the first material section and, in particular, the second material section are planar or substantially planar.

[0060] It has also been shown that a sufficiently durable snap connection is favored when the first material section is curved, particularly arc-shaped, when viewed transversely, especially orthogonally, to the spatial axis. For example, in this case, the first material section exhibits a convex curvature with respect to the spatial axis. The second material section can be straight or essentially straight, for example, flat or essentially flat.

[0061] With regard to the base section, it can be provided that, viewed transversely, in particular orthogonally to the spatial axis, the base section runs in a straight line or is essentially straight. For example, the base section is planar or essentially planar.

[0062] Furthermore, it can be provided that an insertion section, preferably extending obliquely away from the spatial axis, extends transversely, particularly orthogonally, from the second material section. This facilitates the insertion of the snap-fit ​​structure onto the counter-structure of the substructure. The insertion section can be straight or curved, particularly arc-shaped, transversely, particularly orthogonally, to the spatial axis.

[0063] The insertion section facilitates a force-saving production of the snap connection, for example by placing the fastening element on the substructure or substructure strip with a side opposite the snap structure and then bringing the fastening element with its snap structure and via the insertion section into the effective position against the counter structure of the substructure.

[0064] Furthermore, the proposed starter fastening element can be designed such that the snap-in mechanism is provided twice, i.e., two snap-in mechanisms are provided. In this case, one of the snap-in mechanisms can be located transversely, and in particular orthogonally to the spatial axis, on both sides of the contact surface. This promotes a secure fit of the starter fastening element to the substructure when the snap-in mechanism is engaged with the corresponding structure of the substructure.

[0065] For example, the spatial axis is a central axis. For example, the two snap structures are arranged symmetrically to each other with respect to the spatial axis. For example, the first material sections of the two snap structures, and in particular the second material sections, form a receiving space for the force-fit and / or form-fit reception of a head profile of the substructure, in particular a head profile of a substructure profile.

[0066] Furthermore, the proposed starter fastening element can be designed such that the snap-fit ​​structure, or at least one snap-fit ​​structure, is generated by bending along at least one, preferably several, bending edges extending in the direction of the spatial axis. This facilitates a technically simple manufacturing process for the proposed starter fastening element.

[0067] The proposed starting fastener is preferably a metal part that has or consists of a metallic material, such as spring steel. For example, the fastener is a sheet metal part.

[0068] One embodiment of a facade panel comprises a front and a back, the front forming or being configured to form or accommodate a facade surface. The facade panel further comprises two narrow sides, which preferably extend in the direction of the longitudinal extent of the facade panel, preferably are opposite each other, and preferably connect the front and the back.

[0069] The proposed facade panel features a stepped rebate. This rebate comprises a first projection and a second projection, each assigned to one of the narrow sides. These projections extend transversely, and in particular perpendicularly to the longitudinal extent of the facade panel, projecting from a side surface of the corresponding narrow side. Viewed from the front to the back, the first and second projections are positioned one behind the other. The stepped rebate is specifically designed to create an overlapping connection with the stepped rebate of a similar facade panel, either between the first projection of one facade panel and the second projection of the other, or between the second projection of one facade panel and the first projection of the other.

[0070] Furthermore, the proposed facade panel includes a recess which is located in the side surface of the narrow side having the first projection and is in particular designed to accommodate a transverse section of a hook of a fastening element, such as the transverse section of one of the hooks of the fastening element proposed above or the transverse section of at least one hook of the starting fastening element proposed above.

[0071] The proposed facade panel allows for installation using the aforementioned fastening element or the aforementioned starting fastening element, with the fastening element remaining visually invisible from the outside. This is achieved through the stepped rebate and the overlapping connection present in the installed state, which conceals the fastening element from the outside. The recess allows the fastening element to engage with the facade panel with its single hook, despite the overlapping connection.

[0072] In this disclosure, the term "facade panel" refers in particular to an elongated, plate-shaped body that is especially suitable for use as a cladding element in exterior wall cladding or facade cladding. The facade panel may, for example, be a plank or be plank-shaped. The facade panel may be made of or consist of wood. The facade panel may be made of or consist of solid wood. The facade panel may also be made of or consist of a wood-plastic composite (WPC) material. In principle, other materials are also conceivable for the facade panel, provided that these materials maintain the suitability of the facade panel for use as a cladding element in exterior cladding or facade cladding.

[0073] The proposed facade panel can be designed such that the recess extends along the entire length of the panel, in particular continuously along its length. This allows the facade panel to be aligned with the fastening element while the fastening element's hook is engaged in the recess, specifically along the length of the facade panel. This simplifies installation, as the fastening element can still be aligned with the facade panel even while the hook is engaged in the recess.

[0074] The proposed facade panel can further be designed such that the second projection has two surface sections facing a plane with a front face, and these surface sections lie one behind the other transversely, in particular orthogonally to the longitudinal extent of the facade panel towards an outer end of the second projection. In this case, it is advantageous for the surface section facing the outer end to be lower than the other surface section in the direction of the rear of the facade panel, so that, in the case of an overlapping connection of the second projection with the first projection of a similar further facade panel, the lower surface section forms a side wall of a receptacle for the transverse section of the hook of the fastening element, in particular the transverse section of one of the hooks of the aforementioned fastening element.

[0075] The lower surface area and the recess formed in the mounted state for one hook of the fastening element facilitate movement of the hook in the recess, thus enabling alignment of the facade panel with respect to the fastening element during installation.

[0076] The proposed facade panel can further be designed such that, in a transverse direction, particularly orthogonal to the longitudinal extent of the facade panel, the lower surface section has an extent that corresponds at least to the transverse extent of one of the hooks in the direction of its associated spatial axis. This facilitates a high degree of freedom of movement for the hook within the receptacle, which improves the possibility of aligning the facade panel with the fastening element during installation.

[0077] Furthermore, the proposed facade panel can be designed such that, in the direction perpendicular to the longitudinal extent of the facade panel, the first projection is the same length as or longer than the second projection. This promotes optimal overlap of the proposed facade panel with another identical facade panel at their projections.

[0078] One embodiment of a substructure profile, for example for a facade substructure, comprises an elongated base body and a connecting part for attachment to a wall bracket or batten, for example a building wall, or directly to a building wall. The base body comprises a front and a back, the front having a contact surface for a fastening element for attaching a facade panel. In particular, the base body includes a preferably outer wall section extending towards the front between the front and the back.

[0079] The base body further comprises a first longitudinal groove and a second longitudinal groove, which extend along the longitudinal direction of the base body and each have a groove opening facing the front and a groove base facing the rear. In particular, the second longitudinal groove is designed as a threaded groove, which has grooves running along its flanks in the longitudinal direction of the base body in order to engage a threaded connecting element in threaded engagement.

[0080] The proposed substructure profile already incorporates the thread for screwing in the connector. A separate nut is not required. Furthermore, this eliminates the need to cut a thread when the connector is driven into the groove. This simplifies assembly, especially since the connector can be screwed in at any point along the length of the groove.

[0081] In the present disclosure, the term "substructure profile" refers in particular to an elongated element suitable for constructing a substructure for cladding elements, especially in the form of the facade panel proposed above. The substructure profile may be designed as a strip or the like.

[0082] The proposed substructure profile can be designed such that the groove opening of the second longitudinal groove is located in the groove base of the first longitudinal groove. This allows the first longitudinal groove to be used for alignment, while the second longitudinal groove serves for fastening.

[0083] For example, the first longitudinal groove is designed to receive the recessed surface section of the aforementioned fastener or the aforementioned starter fastener. In particular, the second longitudinal groove is designed to fasten the proposed fastener or the aforementioned starter fastener via the through-hole in the recessed surface section and by means of the threaded engagement of the fastener in the threaded groove.

[0084] In a further or different embodiment of the proposed substructure profile, the base body comprises a preferably rigid counter-structure to the snap-fit ​​structure of the aforementioned fastening element or the aforementioned starting fastening element. In particular, the counter-structure is configured to form a snap connection with the snap-fit ​​structure. For example, the counter-structure corresponds to the snap-fit ​​structure of the fastening element. The counter-structure facilitates the formation of a snap connection with the snap-fit ​​structure of the fastening element or starting fastening element.

[0085] It can be provided that the counterstructure has two material sections extending transversely, and in particular orthogonally, to the longitudinal extent of the base body. One of these material sections connects to a preferably outer wall section of the base body, especially the wall section described above, and extends obliquely outwards from it. The other material section connects to this and preferably extends obliquely towards the front of the base body. It has been shown that a sufficiently durable snap connection with the fastening element or starting fastening element can also be achieved with such a counterstructure.

[0086] The proposed substructure profile can be designed such that two counter-structures are provided and formed transversely, in particular orthogonally to the longitudinal extent of the base body, on both sides of the respective outer surface of the base body. This facilitates assembly, as snap-in engagement is possible on both sides.

[0087] The proposed substructure profile can further be designed such that the base body has two elongated hollow chambers which extend along the longitudinal direction of the base body, and the outer surfaces of the facing side walls of the hollow chambers form the inner surfaces of the first longitudinal groove and / or the second longitudinal groove. This facilitates material-saving production of the proposed substructure profile. It also results in a weight reduction.

[0088] Furthermore, the proposed substructure profile can be designed such that the connecting element has a connecting plate which is arranged with one surface facing the rear of the base body and projects transversely, in particular orthogonally to the longitudinal extent of the base body, with at least one section. For example, the projecting section has at least one through-hole or can be used for screwing in a screw element. The projecting section can thus be used as a flange section, for example to attach the substructure profile to a batten or directly to a building wall.

[0089] Alternatively, the proposed substructure profile can be designed such that the connecting element has a connecting plate which is arranged with one surface against an outer side wall of the base body and projects transversely, in particular orthogonally to the longitudinal extent of the base body from the front to the back, with a section protruding from the back of the base body. For example, the projecting section can be used for screwing in a screw element or has at least one through-hole. The projecting section can thus be used as a flange section, for example to attach the substructure profile to a wall bracket.

[0090] For example, the substructure profile is a metal profile and is made of or consists of a metallic material, particularly aluminum or stainless steel. For example, the substructure profile is an extruded part or manufactured from an extruded part. This facilitates technically simple manufacturing of the substructure profile. The selection of aluminum or stainless steel counteracts potential corrosion of the proposed substructure profile and thus extends its service life.

[0091] One embodiment of a start profile comprises a front, a back and a contact surface facing the front or formed on the front, which lies in a contact plane and is designed to be placed against a preferably lateral wall section of a substructure profile, in particular the substructure profile proposed above.

[0092] The starter profile can be used as a finishing profile when constructing a facade by installing facade panels. For this purpose, the starter profile simply needs to be placed against the wall section of the substructure profile and, in particular, fastened. To be used as a finishing profile, the substructure profile should then be either the first or last substructure profile in relation to the facade area being created. For example, the first substructure profile is the vertically first one, and the last substructure profile is the vertically last one, both extending horizontally. With substructure profiles oriented in this way, the facade panels, laid perpendicular to them, will also run vertically.

[0093] Preferably, the proposed starting profile comprises a preferably elongated base body with two side wall surfaces and a bottom wall surface, which form a trough shape with respect to the cross-section of the base body. In particular, the trough shape is open towards the mounting plane and is recessed towards the rear.

[0094] In particular, it is provided that, with regard to the cross-section of the base body, one of the side wall surfaces is located on a side of the base body facing the mounting surface, and the other side wall surface is formed on a wall section which extends from the bottom wall surface towards the mounting plane and is specifically designed at an end facing away from the bottom wall surface to be used as a mounting for a facade panel, such as the facade panel proposed above.

[0095] In particular, it is further provided that, with regard to the installation plane, the projecting end is spaced away from the installation surface in such a way that, when a facade panel is mounted on the substructure profile, the projecting end points towards a narrow side of the facade panel, in particular rests against it, for example to act as a stop.

[0096] Due to its trough shape, this type of starter profile creates a gap between the adjacent narrow edge of the facade panel and the bottom surface of the trough. This gap allows for the attachment of a finishing plate, such as a perforated sheet, or other component to the starter profile. At least one screw can be inserted into the starter profile from the outside in the area of ​​the bottom surface, without the screw penetrating the facade panel. The gap provides a receptacle for the screw shank and prevents the screw from entering the facade panel. This design thus prevents unwanted tensioning of the facade panel via the at least one screw used to attach the finishing plate.

[0097] The trough shape also allows any accumulated liquid to drain away. Furthermore, because the facade panel, with its narrow side resting against the protruding end of the starting profile, is positioned at a distance from the floor wall surface, the facade panel is protected from any liquid that may be present in the trough.

[0098] The proposed starting profile can be designed so that the projecting end of the wall section is positioned at a distance from the installation plane. This allows the facade panel to extend beyond the last or first substructure profile towards the respective surface edge, thus covering the last or first substructure profile. This improves the appearance, as the last or first substructure profile of a facade is not visible from the outside.

[0099] The proposed starting profile can be designed such that the contact surface is formed on a material section that is connected to the base body, in particular, that it is integrally molded onto the base body. This facilitates technically simple manufacturing of the starting profile.

[0100] For example, the starter profile is a metal profile and is made of or consists of a metallic material, particularly aluminum or stainless steel. For example, the starter profile is an extruded part or manufactured from an extruded part. This measure also facilitates the technically simple production of the starter profile. The selection of aluminum or stainless steel counteracts potential corrosion of the proposed starter profile and thus extends its service life.

[0101] Furthermore, an embodiment of an assembly arrangement is proposed. The assembly arrangement comprises a substructure profile, in particular the substructure profile proposed above, a facade panel mounted thereon, in particular the facade panel proposed above, and the starter profile proposed above.

[0102] In the proposed assembly arrangement, the start profile is positioned with its contact surface against a wall section of the substructure profile, in particular a lateral and / or outer wall section of a substructure profile, and the protruding end of the start profile points against a narrow side of the facade panel, for example to act as a stop. This allows the advantages already described above for the start profile to be achieved.

[0103] One embodiment of a facade system, for example for a building, comprises, for example, a plurality of facade panels and fastening elements, wherein at least one of the fastening elements is designed in the manner of the fastening element proposed above for two facade panels and / or at least two of the facade panels are designed in the manner of the facade panel proposed above. For example, the proposed facade system further comprises several or a plurality of additional fastening elements, at least one of which is designed in the manner of the starting fastening element proposed above. For example, the proposed facade system further comprises several or a plurality of substructure profiles, at least one of which is designed in the manner of the substructure profile proposed above.For example, the proposed facade system additionally includes several or a multitude of start profiles, at least one of which is designed in the manner of the start profile proposed above.

[0104] Further details and features will become apparent from the following description of several exemplary embodiments with reference to the drawing. These show Fig. 1 An exemplary first embodiment of a fastening element for two facade panels in a perspective view of a front side, Fig. 2 the exemplary fastening element of the Fig. 1 in a perspective view of a reverse side, Fig. 3 the exemplary fastening element of the Fig. 1 in a perspective side view, Fig. 4, Fig. 5 and Fig. 6 an exemplary embodiment of a facade panel in different perspective views, Fig. 7 the exemplary facade panel of the Fig. 4 and another facade panel in a fastening arrangement on the exemplary fastening element of the Fig. 1, Fig. 7A an enlarged section of the Fig. 7 in the area of ​​the fastening element, Fig. 8, Fig. 9 and Fig. 10 an exemplary first embodiment of a substructure profile in different perspective views, Fig. 11, Fig. 12 and Fig. 13 an exemplary second embodiment of a substructure profile in different perspective views, Fig. 14 the exemplary substructure profile of the Fig. 11 and another substructure profile, which are connected lengthwise with a common longitudinal connector, Fig. 15 the longitudinal connector of the Fig. 14 in a perspective view, Fig. 16 and Fig. 17 the exemplary substructure profile of the Fig. 11 in an arrangement on an embodiment of a wall bracket in different perspective views, Fig. 18 the exemplary substructure profile of the Fig. 11 in an arrangement on a further embodiment of a wall bracket, Fig. 19A, Fig. 19B and Fig. 19C several successive steps in the assembly of the exemplary fastener of the Fig. 1 to the exemplary substructure profile of the Fig. 11, Fig. 20 and Fig. 21 the exemplary fastening element of the Fig. 1 mounted on the exemplary substructure profile of the Fig. 11 and additionally fixed to it by a separate connecting element, shown in different perspective views, Fig. 22 a section of a first facade structure with several wall brackets and substructure profiles in the arrangement of Fig. 18 and a multitude of fastening elements mounted on the substructure profiles in the manner of the exemplary fastening element of the Fig. 1, Fig. 23 the section of the Fig. 22 with facade panels mounted on the fastening elements in the style of the exemplary facade panel of the Fig. 4 in vertical orientation, Fig. 24 a section of a second facade structure with several wall brackets and substructure profiles in the arrangement of Fig. 16 and a multitude of fastening elements mounted on the substructure profiles in the manner of the exemplary fastening element of the Fig. 1, Fig. 25 the section of the Fig. 24 facade panels mounted on the fastening elements in the style of the exemplary facade panel of the Fig. 4 in horizontal alignment, Fig. 26 a section of a third facade structure with battens and substructure profiles mounted on it in the type of the exemplary substructure profile of the Fig. 8 and a multitude of fastening elements mounted on the substructure profiles in the manner of the exemplary fastening element of the Fig. 1, Fig. 27 the section of the Fig. 26 facade panels mounted on the fastening elements in the style of the exemplary facade panel of the Fig. 4 in horizontal alignment, Fig. 28 a section of a fourth facade structure with battens and substructure profiles mounted on it in the type of the exemplary substructure profile of the Fig. 8 and a multitude of fastening elements mounted on the substructure profiles in the manner of the exemplary fastening element of the Fig. 1, Fig. 29 the section of the Fig. 28 facade panels mounted on the fastening elements in the style of the exemplary facade panel of the Fig. 4 in vertical orientation, Fig. 30 a section of a fifth facade structure with battens and fastening elements mounted directly to it in the manner of the exemplary fastening element of the Fig. 1, Fig. 31 the section of the Fig. 30 with a facade panel mounted on the fastening elements in the manner of the exemplary facade panel of the Fig. 4 in horizontal alignment, Fig. 32 the facade structure of the Fig. 30 in a perspective view, Fig. 33 and Fig. 34 each an enlarged section of the facade structure according to the Fig. 31 in the area of ​​one of the fastening elements, Fig. 35 the exemplary fastening element of the Fig. 1 in a fastening arrangement on a substructure profile of the type of substructure profile of the Fig. 8, shown in a side view, Fig. 36 an exemplary second embodiment of a fastening element for two facade panels in a fastening arrangement on an exemplary third embodiment of a substructure profile, shown in a side view, Fig. 37 an exemplary third embodiment of a fastening element for two facade panels in a fastening arrangement on the exemplary substructure profile of the Fig. 36, shown in a side view, Fig. 38 An exemplary embodiment of a fastening element for a facade panel in a perspective view of a front side, Fig. 39 the exemplary fastening element of the Fig. 38 in a side view, Fig. 40 the exemplary fastening element of the Fig. 38 in the side view according to the Fig. 39, shown in a fastening arrangement on a substructure profile of the type of substructure profile of the Fig. 8, Fig. 41 the exemplary fastening element of the Fig. 38 in the fastening arrangement according to the Fig. 40 in a perspective view, Fig. 42 the exemplary fastening element of the Fig. 38 in an assembly arrangement with the fastening element of the Fig. 1, the substructure profile of the Fig. 8 and the facade panel of the Fig. 4 in a side view, Fig. 43 the assembly arrangement of the Fig. 42 in a perspective view, Fig. 44 an exemplary first embodiment of a launch profile in a perspective view, Fig. 45 the exemplary starting profile of the Fig. 44 in a fastening arrangement on a substructure profile of the type of substructure profile of the Fig. 8 in a side view, Fig. 46 the exemplary starting profile of the Fig. 44 in an assembly arrangement with a substructure profile of the Fig. 8 and the facade panel of the Fig. 4 in a side view, Fig. 47 the assembly arrangement of the Fig. 46 in a perspective view, Fig. 48 the exemplary starting profile of the Fig. 44 in an assembly arrangement with the substructure profile of the Fig. 11 and the facade panel of the Fig. 4 in a perspective view, and Fig. 49 an exemplary second embodiment of a start profile in an assembly arrangement with the substructure profile of the Fig. 8 and the facade panel of the Fig. 4 in a perspective view.

[0105] Fig. 1, Fig. 2 and Fig. Figure 3 shows – in schematic representation – an exemplary first embodiment of a fastening element 1 for two facade panels in different perspective views. The exemplary fastening element 1 can be a component of a facade system, which serves, for example, to construct the exterior wall cladding or facade cladding of a building.

[0106] The exemplary fastening element 1 has a front 2 and a back 3. The exemplary fastening element 1 also has a first contact surface 4 for attaching a (into the Fig. 1, Fig. 2 to Fig. 3 (not shown) first facade panel and a second mounting surface 5 for creating a (in the Fig. 1, Fig. 2 to Fig. 3 (not shown) second facade panel. Preferably, the first mounting surface 4 faces and / or is assigned to the front 2. Preferably, the second mounting surface 5 faces and / or is assigned to the front 2.

[0107] The exemplary fastening element 1 comprises a hook structure with at least two hooks 7, 8, each having a base section 7.1 or 8.1 and a transverse section 7.2 or 8.2 extending transversely thereto. Preferably, the transverse section 7.2 of one hook 7 extends along the first contact surface 4 in the direction of a spatial axis R away from the associated base section 7.1. Preferably, the transverse section 8.2 of the other hook 8 extends along the second contact surface 5 in the direction of a spatial axis R' away from the associated base section 8.1.

[0108] For example, one hook 7 has an inclined section 7.3, which is arranged between the base section 7.1 and the transverse section 7.2 and extends diagonally from the base section 7.1 towards the transverse section 7.2. For example, the other hook 8 has an inclined section 8.3, which is arranged between the base section 8.1 and the transverse section 8.2 and extends diagonally from the base section 8.1 towards the transverse section 8.2.

[0109] Preferably, one hook 7 projects out from a first mounting surface 4 in the direction of the front face 2. Preferably, one hook 7 is configured with its transverse section 7.2 to engage in a lateral recess of the first facade panel or to engage a lateral projection of the first facade panel.

[0110] Preferably, the other hook 8 projects out from a second mounting surface 5 in the direction of the front face 2. Preferably, the other hook 8 is configured with its transverse section 8.2 to engage in a lateral recess of the second facade panel or to engage a lateral projection of the second facade panel.

[0111] For example, one hook 7 is arranged on a base section 6, in particular by integral part thereof. For example, the other hook 8 is arranged on the base section 6, in particular by integral part thereof. For example, the base section 6 is a material section of the exemplary fastening element 1. For example, the base section 6 is located in the first contact plane and / or the second contact plane. For example, the first contact surface 4 and / or the second contact surface 5 is arranged on the base section 6, in particular by integral part thereof.

[0112] In the exemplary fastening element 1, for example, at least one projection 9 is provided. The projection 9 is, for example, assigned to the first mounting surface 4 and projects out from the first mounting surface in the direction of the front face 2. For example, the projection 9 is arranged on the base section 6, in particular, it is integrally formed with it. The projection 9 is, in particular, configured to serve as a stop for the first facade panel and, viewed in the direction of the spatial axis R towards the base section 7.1, is arranged in front of the base section 7.1 with respect to the hook 7 belonging to the first mounting surface 4.

[0113] For example, the projection 9 is flexible and is configured to yield towards the base section 7.1 of the associated hook 7 when the first facade panel presses on the projection 9 with a force exceeding a preferably predetermined limit force. This is made possible, for example, by the projection 9 being formed by a material section produced by punching out the base section 6 of the exemplary fastening element 1 and bending it along a bending edge 21. The bending edge 21 runs, for example, transversely, and in particular orthogonally, to the spatial axis R.

[0114] In the exemplary fastening element 1, the transverse section 7.2 of the associated hook 7 can terminate at a distance A1 from the base section 7.1 in the direction of the spatial axis R, which is greater than the distance A2 between the base section 8.1 and the end of the transverse section 8.2 of the other hook 8 in the direction of its spatial axis R'. For example, in this case, the distance A1 between the base section 7.1 and the end of the transverse section 7.2 of the associated hook 7 is at least a distance A3 longer than the distance between the base section 8.1 and the end of the transverse section 8.2 of the other hook 8, which is the distance between the base section 7.1 of the associated hook 7 and the projection 9.

[0115] Furthermore, the exemplary fastening element 1 has a fastening structure 10 for attaching to a (in the Fig. 1, Fig. 2 to Fig. 3 (not shown) substructure, for example for a building wall, or directly on a building wall.

[0116] For example, in the case of the exemplary fastening element 1, it is provided that the fastening structure 10 is designed for one (in the Fig. 1, Fig. 2 to Fig. 3 (not shown) suitable connecting element has a through-hole 11 suitable for the connecting element, with a hole opening 11.1 facing the front 2. It can also be provided that the exemplary fastening element 1 has a surface section 12 which is recessed towards the rear 3 opposite the first contact surface 4 and / or the second contact surface 5. In this case, the surface section 12 can have the hole opening 11.1 of the through-hole 11. The surface section 12 can also have a further through-hole 13.

[0117] Additionally, one of the hooks 7, 8 can be arranged on the recessed surface section 12. For example, the hook 7 belonging to the first contact surface 4 is arranged on the recessed surface section 12 and points in a direction away from the hole opening 11.1. For example, in this case, the spatial axis R belonging to the hook 7 lies on or forms a central axis of the exemplary fastening element 1.

[0118] The exemplary fastening element 1 comprises, for example, a U-shaped profile section 14 with two legs 14.1, 14.2 and an intermediate base web 14.3. For example, the first contact surface 4 and / or the second contact surface 5 are interrupted by the U-shaped profile section 14. For example, in the longitudinal direction of the U-shaped profile section 14, the first contact surface 4 and / or the second contact surface 5 are located on both sides of the U-shaped profile section 14. For example, the recessed surface section 12 is arranged on the base web 14.3, in particular, in this configuration.

[0119] For example, viewed in the direction of the spatial axis R, the first contact surface 4 and the second contact surface 5 are arranged one behind the other, and the at least two hooks 7, 8 point in opposite directions. For example, the at least two hooks 7, 8 are formed by a material section that is preferably produced by punching out the base section 6 and by bending along at least one bending edge 21'. For example, the bending edge 21' runs transversely, and in particular orthogonally, to the associated spatial axis R or R'. For example, at least one of the hooks 7, 8 has a flanged edge 20 on its transverse section 7.2 or 8.2. This promotes a frictional and / or positive locking connection with a wall of the recess of the first facade panel or second facade panel when the hook 7 or 8 is inserted.

[0120] In the exemplary fastening element 1, the hook 8 belonging to the second contact surface 5 is provided twice, and, viewed in the direction of the spatial axis R', the hook 7 belonging to the first contact surface 4 is arranged between these two hooks 8, 8'. Similarly, the projection 9 is provided twice, and, for example, viewed in the direction of the spatial axis R', the recessed surface section 12 and / or the hook 7 belonging to the first contact surface 4 are arranged between these two projections 9, 9'.

[0121] For example, the exemplary fastening element 1 has a contact surface 18 to attach the fastening element 1 to the (in the Fig. 1, Fig. 2 to Fig. 3 (not shown) substructure. The contact surface 18 is, for example, assigned to the rear side 3 of the exemplary fastening element 1, in particular arranged or formed thereon. The contact surface 18 is, for example, arranged on the rear side of the base section 6, in particular formed thereon. Additionally or alternatively, a further contact surface or contact surface 19 can be provided to allow the exemplary fastening element 1 to be placed against the substructure. The further contact surface 19 is, for example, arranged on the rear side of the recessed surface section 12 or the base web 14.3, in particular formed thereon.

[0122] In the exemplary fastening element 1, the fastening structure 10 has, for example, a snap-fit ​​structure 15 for forming a snap connection with the (in the Fig. 1, Fig. 2 to Fig. 3 (not shown) substructure. For example, the snap structure 15 is a clamp or performs the function of a clamp. The snap structure 15 has, for example, a spring-elastic material or consists thereof and is, for example, designed to be expanded against the spring force of the material in a transverse direction, in particular orthogonal to the spatial axis R, for example in order to be slipped over a counter-structure of the substructure.

[0123] For example, viewed transversely, and in particular orthogonally, to the spatial axis R, the snap-fit ​​structure 15 has at least two material sections 15.1, 15.2 adjoining the base section 6, of which, for example, a first material section 15.1 extends obliquely away from the base section 6, followed by a second material section 15.2 extending obliquely towards the base section 6. In particular, the first material section 15.1 extends obliquely away from the base section 6 in the direction away from the spatial axis R. In particular, the second material section 15.2 extends from the first material section 15.1 in the direction towards the spatial axis R. For example, an insertion section 16 extends from the second material section 15.2, preferably obliquely away from the spatial axis R. The snap-fit ​​structure 15 is produced, for example, by bending along bending edges 17 extending in the spatial direction R.

[0124] In the exemplary fastening element 1, in addition to the snap structure 15, a further snap structure 15' is provided. For example, the further snap structure 15' is designed corresponding to the snap structure 15, but preferably as a mirror image of it with respect to the spatial axis R. Accordingly, the further snap structure 15' has a first material section 15.1', ​​a second material section 15.2' and optionally an insertion section 16'. For example, one of the snap structures 15, 15' is located transversely, and in particular orthogonally to the spatial axis R, on both sides of the first contact surface 4 and / or the second contact surface 5.

[0125] Preferably, the exemplary fastening element 1 is a metal part, in particular a sheet metal part, and comprises or consists of a metallic material. For example, the metallic material is spring steel.

[0126] Fig. 4, Fig. 5 and Fig. Figure 6 shows – in schematic representation – an exemplary embodiment of a facade panel 40. The exemplary facade panel 40 has an elongated extension in the direction of a longitudinal axis L1. In the Fig. 4, Fig. 5 and Fig. Figure 6 shows only a section of the exemplary facade panel 40 for the sake of simplicity.

[0127] The exemplary facade panel 40 has a front 41 and a back 42, the front 41 forming or being configured to form or accommodate a facade surface 41.1. The exemplary facade panel 40 further has two narrow sides 43, 44, which extend in the direction of the longitudinal extent of the facade panel 40, are opposite each other and connect the front 41 and the back 42.

[0128] In the exemplary facade panel 40, a stepped rebate is provided with a first projection 45.1 and a second projection 45.2, each assigned to, in particular arranged or formed on, one of the narrow sides 43, 44, and projecting transversely to the longitudinal extent of the facade panel 40 relative to a side surface 43.1 or 44.1 of the corresponding narrow side 43 or 44. Preferably, viewed from the front 41 to the rear 42, the first projection 45.1 and the second projection 45.2 are arranged one behind the other. For example, at least individual edges of the first projection 45.1 and / or the second projection 45.2 are chamfered by a bevel 51.

[0129] Fig. 7 and Fig. Figure 7A shows, by way of example and illustration, a possible installation situation of the exemplary facade panel 40 with a similar further facade panel 40' and the exemplary fastening element 1. Arrow B indicates, by way of example, the direction towards a floor or similar substrate. Arrow G indicates, by way of example, the direction towards an exterior wall of a building, to which, for example, the exemplary fastening element 1 is attached directly or via a (in the Fig. 7 and Fig. 7A (not shown) substructure is attached.

[0130] As can be seen from this, the stepped rebate of the exemplary facade panel 40 is designed, for example, to create an overlapping connection with the stepped rebate of the similar further facade panel 40' between the first projection 45.1 of the exemplary facade panel 40 and the second projection 45.2' of the further facade panel 40' or between the second projection 45.2 of the exemplary facade panel 40 and the first projection 45.1' of the further facade panel 40'.

[0131] For example, the exemplary facade panel 40 has a recess 46, which is located in the side surface 43.1 of the narrow side 43 having the first projection 45.1 (see also Fig. 4, Fig. 5 to Fig. 6) The recess 46 is preferably configured to receive the transverse section 7.2 or 8.2 of one of the hooks 7, 8 of the exemplary fastening element 1. Preferably, the recess 46 extends over the longitudinal extent of the facade panel 40, preferably continuously.

[0132] In the installation situation of the Fig. 7 The transverse section 8.2 of the hook 8 of the exemplary fastening element 1 is received in a recess 46' corresponding to the recess 46, which is located on the similar further facade panel 40'. The exemplary facade panel 40 is placed there against the first contact surface 4 of the exemplary fastening element 1 and brought into contact with the projection 9, whereby the hook 7 belonging to the contact surface 4 overlaps the second projection 45.2 of the exemplary facade panel 40.

[0133] For example, from the Fig. 4 is evident, but also in the Fig. As is visible in Figure 7A, the second projection 45.2 can have two surface sections 47, 48, which are assigned to and / or face a plane having the front face 41. For example, viewed transversely, in particular orthogonally to the longitudinal extent of the exemplary facade panel 40 towards an outer end 49 of the second projection 45.2, the surface sections 47, 48 are arranged one behind the other, and, for example, the surface section 48 facing the outer end 49 is lower than the other surface section 47 in the direction of the rear face 42 of the exemplary facade panel 40.

[0134] This results in a side wall of a receptacle 50 ( ) in an overlapping connection of the second projection 45.2 of the exemplary facade panel 40 with the first projection 45.1' of the similar further facade panel 40' through the lower surface section 48 ( ). Fig. 7 and Fig. 7A) for the transverse section 7.2 or 8.2, one of the hooks 7 or 8 of the exemplary fastening element 1 is formed. A contact surface 52' of the first projection 45.1' of the similar further facade panel 40', facing the rear side 42', rests on one surface section 47 of the exemplary facade panel 40 and is spaced apart from the other, lower surface section 48 of the second projection 45.2. Preferably, the exemplary facade panel 40 has a contact surface 52 facing its rear side 42, for example, corresponding to the contact surface 52' of the similar further facade panel 40' (see Fig. 6).

[0135] For example, in a transverse direction, particularly orthogonal to the longitudinal extent of the facade panel 40, the lower surface section 48 has an extent which corresponds at least to the transverse extent of one hook 7 in the direction of its associated spatial axis R. For example, in a transverse direction, particularly orthogonal to the longitudinal extent of the exemplary facade panel 40, the first projection 45.1 is of the same length as or longer than the second projection 45.2.

[0136] For example, the extension of the first projection 45.1 or 45.1' and the extension of the second projection 45.2 or 45.2' in a transverse direction, in particular orthogonal to the longitudinal axis L1, is dimensioned such that, in the case of an overlapping connection of the second projection 45.2 of the exemplary facade panel 40 with the first projection 45.1' of the similar further facade panel 40', or in the case of an overlapping connection of the first projection 45.1 of the exemplary facade panel 40 with the second projection 45.2' of the similar further facade panel 40' and using the exemplary fastening element 1, the first projection 45.1' or 45.1 is at a distance from the side surface 44.1 of the exemplary facade panel 40 or from the side surface 44.1' of the similar further facade panel. 40' ends.

[0137] This creates a joint 54, which extends longitudinally in the direction of the longitudinal axis L1, as partially shown in the Fig. 7 and Fig. 7A is evident. In the installation situation shown there, the second projection of 40.2 of the exemplary facade panel 40 is brought into contact with the at least one projection 9 or 9' and the first projection, the side surface 43.1' of the similar further facade panel 40', is brought into contact with the foot section 8.1 of the at least one hook 8 or 8'.

[0138] As the Fig. 7 and Fig. As shown in Figure 7A, the exemplary facade panel 40 and / or the similar further facade panel 40' may have a joint 53 or 53' on the upper surface. For example, the joint 53 or 53' runs in the direction of the longitudinal axis L1.

[0139] Fig. 8, Fig. 9 and Fig. Figure 10 shows – in schematic representation – an exemplary first embodiment of a substructure profile 70. The exemplary substructure profile 70 is, for example, a component of a substructure 100 or can form a substructure 100.

[0140] The exemplary substructure profile 70 has an elongated extension along a longitudinal axis L2 and comprises an elongated base body 71 whose longitudinal extension runs in the direction of the longitudinal axis L2. Preferably, the exemplary substructure profile 70 has a connecting part 72 for attachment to a (in the Fig. 8, Fig. 9 to Fig. 10 (not shown) wall bracket or batten of a building wall or directly on a (in the Fig. 8, Fig. 9 to Fig. 10 (not shown) building wall.

[0141] The connecting part 72 is, for example, arranged on the base body 71, in particular connected to it or formed on it, for example, molded onto it. For example, the exemplary substructure profile 70 is a metal profile and has a metallic material, for example aluminum or stainless steel, or consists of it. For example, the exemplary substructure profile 70 is an extruded part, i.e., a component manufactured by extrusion.

[0142] The base body 71 comprises a front surface 73 and a rear surface 74, the front surface 73 having a contact surface 75 for the exemplary fastening element 1. For example, the contact surface 75 is arranged on the front surface 73, and in particular, is formed there. Furthermore, the base body 71 has a first longitudinal groove 76 and a second longitudinal groove 77, which extend longitudinally along the base body 71 and each have a groove opening 76.1 or 77.1 facing the front surface 73 and a groove base 76.2 or 77.2 facing the rear surface 74. Preferably, the groove opening 77.1 of the second longitudinal groove 77 is arranged in the groove base 76.2 of the first longitudinal groove 76. For example, the groove flanks 77.3 of the second longitudinal groove 77 run between the groove flanks 76.3 of the first longitudinal groove 76.

[0143] In the exemplary substructure profile 70, for example, the second longitudinal groove 77 is designed as a threaded groove, which has grooves 78 running along its groove flanks 77.3 in the longitudinal direction of the base body 71 in order to engage a (in the Fig. 8, Fig. 9 to Fig. 10) threaded connecting element (not shown) to engage the thread. Preferably, the second longitudinal groove 77 is further configured to attach the exemplary fastening element 1 to it. Preferably, the first longitudinal groove 76 is configured to receive the recessed surface section 12 of the exemplary fastening element 1.

[0144] This enables the fastening of the exemplary fastening element 1 to the exemplary substructure profile 70 in such a way that the exemplary fastening element 1 engages with its recessed surface section 12 or U-shaped profile section 14 in the first longitudinal groove 76 and the connecting element is in thread engagement in the second longitudinal groove 77, which is designed as a threaded groove, via the through hole 11 located in the recessed surface section 12.

[0145] In the exemplary substructure profile 70, for example, a counter-structure 79 is provided for receiving the snap-in structure 15 of the exemplary fastening element 1. For example, the counter-structure 79 is arranged on the base body 71, in particular formed, for example, integrally molded. The counter-structure 79 can have or be formed from two material sections 79.1, 79.2 extending transversely to the longitudinal axis L2. For example, one of the material sections 79.1, 79.2, in particular the material section 79.1, is arranged on or adjoins a wall section 80 of the base body 71 and extends obliquely outwards from it. The other material section 79.2 then adjoins this, preferably extending obliquely towards the front face 73 of the base body 71.

[0146] The wall section 80 is preferably an outer wall section. In particular, the wall section 80 extends between the front 73 and the rear and forms at least one longitudinal section of a lateral wall of the base body 71 that extends transversely, in particular orthogonally to the contact surface 75.

[0147] Preferably, in addition to the counterstructure 79, a further counterstructure 79' is provided. Preferably, both counterstructures 79, 79' are formed transversely, and in particular orthogonally, to the longitudinal extent of the base body 71 on both sides of the respective outer surface of the base body 71. For example, the further counterstructure 79' has or is formed from two material sections 79.1', 79.2' extending transversely to the longitudinal axis L2. For example, one of the material sections 79.1', 79.2', in particular the material section 79.1', is arranged on or adjoins an outer wall section 80' of the base body 71 and extends obliquely outwards from it. The other material section 79.2' then adjoins this, for example, and extends obliquely towards the front face 73 of the base body 71.

[0148] The wall section 80' is preferably an outer wall section. In particular, the wall section 80' extends between the front 73 and the rear and forms at least one longitudinal segment of a lateral wall of the base body 71 that extends transversely, and in particular orthogonally, to the contact surface 75. For example, the wall section 80' is arranged opposite the wall section 80'. For example, the contact surface 75 is arranged between the wall sections 80 and 80'.

[0149] In the exemplary substructure profile 70, the base body 71 has, for example, two elongated hollow chambers 81, 81' which extend along the longitudinal direction of the base body 71. Preferably, the hollow chambers 81, 81' are mirror images of each other with respect to a central longitudinal plane, which extends, for example, transversely, and in particular orthogonally, to the rear side 74. For example, the outer sides of mutually facing side walls 82, 83 of the hollow chambers 81, 81' form the inner sides of the first longitudinal groove 76 and / or the second longitudinal groove 77.

[0150] In the exemplary substructure profile 70, the connecting part 72, for example, has a connecting plate 84, which is arranged with one surface side on the rear side 74 of the base body 71 and projects transversely to the longitudinal extent of the base body 71 with at least one section 86 or 86', for example on one or both sides. Preferably, the projecting section 86 or 86' has at least one through hole 87, preferably several through holes 87, 88, for example with different cross-sectional contours, for example to fasten the substructure profile 70 to a batten, for example a building wall or directly to a building wall.

[0151] Fig. 11, Fig. 12 and Fig. Figure 13 shows an exemplary second embodiment of a substructure profile 70.1. Components or functional sections of the exemplary second substructure profile 70.1, which are structurally or functionally identical to those of the exemplary first substructure profile 70, are provided with the same reference numerals; in this respect, reference is made to the preceding description of the exemplary first substructure profile 70.

[0152] The exemplary second substructure profile 70.1 differs from the exemplary first substructure profile 70 in the design or arrangement of the connecting part. The exemplary second substructure profile 70.1 has a connecting part 72.1 in which a connecting plate 85 is arranged, in particular formed, for example, integrally formed with a surface side on a preferably outer wall, in particular a side wall 90 of the base body 71 and projects transversely, in particular orthogonally to the longitudinal extent of the base body 71 from the front 73 to the rear 74, from the rear 74 of the base body 71 with a section 89.

[0153] Preferably, the protruding section 89 is used for screwing in a (into the Fig. 11, Fig. 12 to Fig. 13 (not shown) screw element usable. The projecting section 89 can also have at least one, preferably several, through holes. The projecting section 89 can, for example, be used to fasten the exemplary substructure profile 70.1 to a (in the Fig. 11, Fig. 12 to Fig. 13 (not shown) console possible.

[0154] Fig. Figure 14 shows, by way of example, the exemplary second substructure profile 70.1 together with a similar further substructure profile 70.1'. Both substructure profiles 70.1, 70.1' are arranged one behind the other along the longitudinal axis L2 and connected to each other by a longitudinal connector 95. The following is shown by way of example: Fig. 14, that it is possible to fix the longitudinal connector 95 to the substructure profiles 70.1, 70.1' using a connecting element 99, such as a screw element. Fig. Figure 15 shows the longitudinal connector 95 in a perspective view.

[0155] The longitudinal connector 95 allows the two substructure profiles 70.1, 70.1' to be connected at their facing transverse sides, for example, at a butt joint. This is made possible by the dimensions of the longitudinal connector 95, which are dimensioned such that the longitudinal connector 95 can be inserted into one of the hollow chambers 81, 81' of the respective substructure profile 70.1, 70.1'. The longitudinal connector 95 is, for example, elongated and has a cross-sectional contour whose outer circumference corresponds to the inner circumference of the cross-sectional contour of at least one of the hollow chambers 81, 81', in particular with clearance or substantially corresponding to it.

[0156] For example, the longitudinal connector 95 has an outwardly projecting contour 97 transversely, in particular orthogonally to its longitudinal extent, which corresponds to or substantially corresponds to the contour on the inner circumference of the hollow chamber 80 or 80' in the region of the counter-structure 79 or 79'. For example, the longitudinal connector 95 has an inwardly projecting contour, in particular a step 98, transversely, in particular orthogonally to its longitudinal extent, which corresponds to or substantially corresponds to the contour on the inner circumference of the hollow chamber 80 or 80' in the region of one of the groove flanks 76.3 and the groove base 76.2 of the first longitudinal groove 76.

[0157] The longitudinal connector 95 can be designed as a hollow body and, for example, have a cavity 96 extending longitudinally, in particular a single cavity 96. For example, the longitudinal connector 95 is a metal profile and has a metallic material, such as aluminum or stainless steel, or consists of it. For example, the longitudinal connector 95 is an extruded part, i.e., a component manufactured by extrusion.

[0158] Fig. 16 and Fig. Figure 17 shows the exemplary second substructure profile 70.1 in an arrangement on an embodiment of a bracket 200, in particular a wall bracket. Arrows B and G indicate the position of the arrangement in relation to a floor or substrate and a building wall to which the wall bracket 200 is to be attached or may already be attached. The bracket 200 has a first, preferably plate-shaped, material section 210 and, transversely, in particular orthogonally to it, a second, preferably plate-shaped, material section 220.

[0159] The bracket 200 is, for example, a sheet metal part, wherein the first material section 210 and the second material section 220 are produced, for example, by bending. The first material section 210 and / or the second material section 220 can have at least one through-hole 240 or 240', respectively, through which the bracket 200 is to be attached to the building wall on one side and to the exemplary substructure profile 70.1 on the other. The bracket 200 allows the substructure profile 70.1 to be mounted at a predetermined distance from the building wall. This is useful, for example, to allow thermal insulation to be installed between the substructure 70.1 and the building wall.

[0160] In the arrangement of the Fig. 16 and Fig. In section 17, the substructure profile 70.1 with its connecting part 72.1 is arranged on the first material section 210 of the bracket 200 such that a surface side of the first material section 210 and a surface side of the connecting plate 85 of the projecting section 89 lie against each other and are screwed together, for example, by means of a screw element 62. The screw element 62 is, for example, a self-tapping screw. For example, the self-tapping screw is driven into the connecting plate 85, cutting a mating thread. In the arrangement of the Fig. 16 and Fig. 17 The substructure profile 70.1 extends with its longitudinal extent in the vertical direction.

[0161] Fig. Figure 18 shows the exemplary second substructure profile 70.1 in an arrangement on a further embodiment of a bracket 200', in particular a wall bracket. The bracket 200' of the Fig. 18 differs from the 200 console. Fig. 16, among other things, by providing a third, preferably plate-shaped, material section 230, which is arranged, in particular formed, for example, integrally attached to the first material section 210. The third material section 230 extends with one surface side transversely, in particular orthogonally, to the first material section 210 and transversely, in particular orthogonally, to the second material section 220.

[0162] In the arrangement of the Fig. 18 The substructure profile 70.1 with its connecting part 72.1 is arranged on the third material section 230 of the bracket 200 such that a surface side of the third material section 230 and a surface side of the connecting plate 85 of the projecting section 89 lie against each other and are screwed together, for example, via the screw element 62. In the arrangement of the Fig. 18 The substructure profile 70.1 extends with its longitudinal extent in the horizontal direction.

[0163] Fig. 19A, Fig. 19B and Fig. Figure 19C shows several successive steps in a possible assembly of the exemplary fastening element 1 to the exemplary substructure profile 70.1. The assembly involves creating the snap connection between the exemplary fastening element 1 and the exemplary substructure profile 70.1.

[0164] As from the Fig. As can be seen in Figure 19A, in a first step the exemplary fastening element 1 can be placed with a side of the base section 6 that is transverse, in particular orthogonal to the spatial axis R, onto an outer side that is transverse, in particular orthogonal to the longitudinal extent of the exemplary substructure profile 70.1, whereby, for example, the snap structure 15' provided there engages with the counter structure 79' of the exemplary substructure profile 70.1. Preferably, the exemplary fastening element 1 is located at an angle to the exemplary substructure profile 70.1, so that the other snap structure 15 of the exemplary fastening element 1 on the opposite side is spaced apart from the other counter structure 79 of the exemplary substructure profile 70.1.

[0165] The exemplary fastening element 1 is now folded or pivoted towards the exemplary substructure profile 70.1, and the snap-in structure 15 engages the counter-structure 79. This is shown by way of example in the Fig. 19B is shown. For example, a pressure force exerted on the front 2 of the exemplary fastening element 1 causes the snap structure 15 to snap or click into the counter-structure 79, thus establishing the snap connection ( Fig. 19C).

[0166] Preferably, the snap connection between the exemplary fastening element 1 and the exemplary substructure profile 70.1 is designed such that the exemplary fastening element 1 is held against the exemplary substructure profile 70.1 and only when a force acting on the exemplary fastening element 1 or the exemplary substructure profile 70.1 is exceeded does movement of the exemplary fastening element 1 relative to the exemplary substructure profile 70.1 occur in the longitudinal direction of the exemplary substructure profile 70.1. This allows for alignment of the exemplary fastening element 1 relative to the exemplary substructure profile 70.1 even after the snap connection has been established.

[0167] As from the Fig. 20 and Fig. As can be seen in Figure 21, the exemplary fastening element 1 can – if necessary – be additionally fixed to the exemplary substructure profile 70.1 by a connecting element 60, in particular a separate connecting element. The connecting element 60 can be a connecting element 61, such as a screw element. For example, the connecting element 61 is inserted into the through hole 11 of the exemplary fastening element 1 and screwed into the second longitudinal groove 77 of the exemplary substructure profile 70.1, which is designed as a threaded groove.

[0168] Fig. 22 and Fig. Figure 23 shows a section of a first facade structure or wall cladding structure, with the substructure shown as an example in the arrangement according to the Fig. 18 is used. For example, several substructure profiles of the type of exemplary second substructure profile 70.1 are arranged parallel to each other at intervals, and the substructure profiles 70.1 are each attached to at least two brackets of the type of bracket 200' described above. Several fastening elements of the type of exemplary fastening element 1 are attached to each of the substructure profiles 70.1.

[0169] In the first facade construction, the substructure profiles 70.1 extend horizontally along their length. Fig. Figure 23 shows the first facade assembly with mounted facade panels, which are of the type described above as facade panels 40, 40'. The facade panels 40, 40' are mounted in a cross arrangement to the substructure profiles 70.1 and thus extend vertically along their longitudinal axis.

[0170] Fig. 24 and Fig. Figure 25 shows a section of a second facade structure or wall cladding structure, with the substructure shown as an example in the arrangement according to the Fig. 16 and Fig. 17 is used. For example, several substructure profiles of the type of exemplary second substructure profile 70.1 are arranged parallel to each other at intervals, and the substructure profiles 70.1 are each attached to at least one bracket of the type of bracket 200 described above. Several fastening elements of the type of exemplary fastening element 1 are attached to each of the substructure profiles 70.1.

[0171] In the second facade construction, the substructure profiles 70.1 extend vertically along their length. Fig. Figure 25 shows the second facade assembly with mounted facade panels, which are of the type described above as facade panels 40, 40'. The facade panels 40, 40' are mounted in a cross arrangement to the substructure profiles 70.1 and thus extend horizontally along their length.

[0172] Fig. 26 and Fig. Figure 27 shows a section of a third facade structure, using as an example a substructure which utilizes the exemplary first substructure profile 70 and several of these substructure profiles 70 are arranged parallel to each other and in a cross arrangement with a batten 300 and are attached to it. Several fastening elements of the type of exemplary fastening element 1 are attached to the substructure profile 70.

[0173] In the third facade construction, the substructure profile 70 extends vertically along its length. Fig. Figure 27 shows the third facade assembly with mounted facade panels, which are of the type described above as facade panels 40, 40'. The facade panels 40, 40' are mounted in a cross arrangement to the substructure profile 70 and thus extend horizontally along their length.

[0174] Fig. 28 and Fig. Figure 29 shows a section of a fourth facade construction. This facade construction differs from the facade construction of the Fig. 26 and Fig. 27 by the fact that the battens are formed by vertically running battens and accordingly the substructure profile 70 is in a horizontal orientation and in turn the facade panels 40, 40' extend with their longitudinal extension in a vertical direction.

[0175] Fig. 30, Fig. 31, Fig. 32, Fig. 33 to Fig. Figure 34 shows a section of a fifth facade assembly in which fastening elements can be attached directly to a building wall or the battens 300 described above, without any of the substructure profiles described above. In this case, for example, the battens 300 form the substructure 100. The connecting elements 61 described above can be used for fastening. For example, the fastening elements 1 are attached by driving, in particular screwing, the connecting elements 61 into the building wall or battens 300. Fig. Figure 30 shows only the substructure.

[0176] The Fig. 31 and Fig. Figure 32 shows the facade assembly with the facade panel installed, using the exemplary facade panel 40. In the fifth facade assembly, the battens of the batten 300 extend vertically in their longitudinal direction. Accordingly, the exemplary facade panel 40 extends horizontally in its longitudinal direction.

[0177] The fastening elements in the fifth facade assembly can also be designed in the style of exemplary fastening element 1. For example, as shown in the Fig. As can be seen in Figure 32, the fastening element 1, with its offset surface section 12 or profile section 14, can be positioned against the batten 300, meaning, for example, that the contact surface 18 of the fastening element 1 is in contact with the batten 300. The ends of the respective snap structure 15 or 15', and in particular the respective insertion section 16 or 16', which are located transversely, and in particular orthogonally, to the spatial axis R of the fastening element 1, also bear against the batten 300. This results in a three-point support, which promotes a stable bearing of the fastening element 1 against the batten 300.

[0178] The Fig. 33 and Fig. Figure 34 shows an enlarged section of the exemplary fastening element 1 arranged at the top of the facade panel 40 ( Fig. 33) and the exemplary fastening element 1 arranged at the bottom of the facade panel 40 ( Fig. 34). The facade panel 40 is brought into engagement with the lower exemplary fastening element 1 by its recess 46 against one hook 8 of the exemplary fastening element 1. The upper exemplary fastening element 1 is brought into contact with the facade panel 40 by its projection 9, with the hook 7 belonging to the projection 9 overlapping the lateral projection 45.2.

[0179] This arrangement of the fastening elements 1 allows any possible expansion of the facade panel 40 transversely, in particular orthogonally to its longitudinal extent, to be controlled by the projection 9, by the projection 9 yielding and allowing the facade panel 40 to expand upwards towards the foot section 7.1 of the hook 7 without the fastening element 1 being pushed out of its fastening position.

[0180] Fig. Figure 35 shows the first exemplary fastening element 1 ( Fig. 1) by way of example in a fastening arrangement on the first exemplary substructure profile 70 ( Fig. 8) The fastening structure 10 of the exemplary fastening element 1 is in an operative connection, in particular a snap connection, with the counter-structure 79 of the exemplary substructure profile 70.

[0181] As already mentioned in the Fig. 1, Fig. 2 to Fig. As implemented in section 3, the snap-fit ​​structure 15 of the exemplary fastening element 1 can comprise at least the two material sections 15.1, 15.2, of which, for example, the first material section 15.1, extending obliquely away from the base section 6, and then the second material section 15.2, extending obliquely towards the base section 6, come first. In particular, the first material section 15.1 extends obliquely away from the base section 6 in a direction away from the spatial axis R.

[0182] In particular, the second material section 15.2 extends from the first material section 15.1 in the direction of the spatial axis R. For example, the insertion section 16, which preferably extends obliquely away from the spatial axis R, branches off from the second material section 15.2.

[0183] In the exemplary fastening element 1, in addition to the snap-in structure 15, a further snap-in structure 15' can also be provided. The further snap-in structure 15' can be designed in accordance with the snap-in structure 15 and can be a mirror image of it with respect to the spatial axis R. Accordingly, the further snap-in structure 15' can have a first material section 15.1', ​​a second material section 15.2', and, for example, an insertion section 16'. For example, one of the snap-in structures 15, 15' is located transversely, and in particular orthogonally, to the spatial axis R on both sides of the first contact surface 4 and / or the second contact surface 5.

[0184] In the first exemplary fastening element 1, the first material section 15.1 or 15.1' runs in a straight line transversely, and in particular orthogonally, to the spatial axis R. Likewise, the second material section 15.2 or 15.2' and / or the insertion section 16 or 16' can run in a straight line transversely, and in particular orthogonally, to the spatial axis R.

[0185] As already mentioned in the Fig. 8, Fig. 9 to Fig. As described in Figure 10, the counter-structure 79 of the exemplary substructure profile 70 can have or be formed from two material sections 79.1, 79.2 that are transverse, in particular orthogonal to the longitudinal axis L2. Furthermore, one of the material sections 79.1, 79.2, in particular material section 79.1, can connect to the wall section 80 of the base body 71 and extend obliquely outwards from it. The other material section 79.2 can then connect to this, preferably extending obliquely towards the front face 73 of the base body 71. For example, the other material section 79.2 terminates in a further material section 79.3, which has the contact surface 75 or on which the contact surface 75 is at least partially formed.

[0186] In the exemplary substructure profile 70, in addition to the counterstructure 79, a further counterstructure 79' can be provided. The further counterstructure 79' can be designed according to the counterstructure 79 and can be a mirror image of it with respect to the longitudinal axis L2. The further counterstructure 79' can have two material sections 79.1' and 79.2' corresponding to the two material sections 79.1 and 79.2. A further material section 79.3' can also be provided corresponding to the further material section 79.3.

[0187] In the first exemplary substructure profile, the other material section 79.2 or 79.2', i.e., the material section 79.2 or 79.2' extending towards the front 73, runs in a straight line transversely, particularly orthogonally to the longitudinal axis L2. Likewise, the material section 79.1 or 79.1', i.e., the material section 79.1 or 79.1' adjoining the wall section 80, and / or the further material section 79.3 or 79.3' can also run in a straight line transversely, particularly orthogonally to the longitudinal axis L2.

[0188] In the fastening arrangement of the Fig. 35 is the counterpart structure 79 or 79' encompassed by the snap structure 15 or 15'. For example, the first material section 15.1 or 15.1' of the snap structure 15 or 15' is then at least partially in contact with the material section 79.2 or 79.2' of the counterpart structure 79 or 79', and the second material section 15.2 or 15.2' of the snap structure 15 or 15' is at least partially in contact with the material section 79.1 or 79.1' of the counterpart structure 79 or 79'.

[0189] Fig. Figure 36 shows an exemplary second embodiment of a fastening element 1.1 for two (in the Fig. Figure 36 shows facade panels (not shown) in an exemplary fastening arrangement on an exemplary third embodiment of a substructure profile 70A. The second exemplary fastening element 1.1 differs from the first exemplary fastening element 1 in the design of the snap-fit ​​structure. The second exemplary fastening element 1.1 has a snap-fit ​​structure 25 which, viewed transversely to the spatial axis R, has at least two material sections 25.1, 25.2 adjoining the base section 6. First, there is a first material section 25.1 extending orthogonally away from the base section 6, followed by a second material section 25.2 extending towards the spatial axis R. For example, an insertion section 26, preferably extending obliquely away from the spatial axis R, extends from the second material section 25.2.

[0190] In the second exemplary fastening element 1.1, in addition to the snap-in structure 25, a further snap-in structure 25' can also be provided. The further snap-in structure 25' can be designed in accordance with the snap-in structure 25 and can be a mirror image of it with respect to the spatial axis R. Accordingly, the further snap-in structure 25' can have the first material section 25.1', ​​the second material section 25.2', and, for example, the insertion section 26'. For example, one of the snap-in structures 25, 25' is located transversely, and in particular orthogonally, to the spatial axis R on both sides of the first contact surface 4 and / or the second contact surface 5.

[0191] In the second exemplary fastening element 1.1, the first material section 25.1 or 25.1' also runs in a straight line transversely, and in particular orthogonally, to the spatial axis R. Furthermore, the second material section 15.2 or 15.2' and / or the insertion section 16 or 16' can also run in a straight line transversely, and in particular orthogonally, to the spatial axis R.

[0192] The third exemplary substructure profile 70A differs from the first exemplary substructure profile 70 in the design of the counter-structure for the snap-fit ​​structure. Instead of the material section 79.2 extending straight towards the front face 73, the third exemplary substructure profile 70A has a counter-structure 79A with a material section 79.2A that curves towards the front face 73. For example, this material section 79.2A runs transversely, particularly perpendicular to the longitudinal axis L2, in an arc and / or forms a curve between the material sections 79.1 and 79.3.

[0193] In the case of the third exemplary substructure profile 70A, as with the first exemplary substructure profile 70, a further counterstructure 79A' can be provided in addition to the counterstructure 79A. The further counterstructure 79A' differs from the further counterstructure 79' of the first exemplary substructure profile 70 in that a material section 79.2A' is provided that curves towards the front face 73, for example corresponding to the curved material section 79.2A of the counterstructure 79A.

[0194] In the fastening arrangement of the Fig. In section 36, the counterpart structure 79A or 79A' is encompassed by the snap structure 25 or 25', thus forming a snap connection. For example, the orthogonal material section 25.1 or 25.1' of the snap structure 25 or 25' is at least partially in contact with the curved material section 79.2A or 79.2'A of the counterpart structure 79A or 79A', and the second material section 25.2 or 25.2' of the snap structure 25 or 25' is at least partially in contact with the material section 79.1 or 79.1' of the counterpart structure 79A or 79A'.

[0195] Fig. Figure 37 shows an exemplary third embodiment of a fastening element 1.2 for two (in the Fig. Figure 37 shows facade panels (not shown) in an exemplary fastening arrangement on the third exemplary substructure profile 70A described above. The third exemplary fastening element 1.2 differs from the first exemplary fastening element 1 in the design of the snap-fit ​​structure. The third exemplary fastening element 1.2 has a snap-fit ​​structure 27 which, viewed transversely to the spatial axis R, has at least two material sections 27.1, 27.2 adjoining the base section 6. First, there is a first material section 27.1 extending orthogonally away from the base section 6, followed by a second material section 27.2 extending towards the spatial axis R. For example, an insertion section 28, preferably extending obliquely away from the spatial axis R, extends from the second material section 27.2.

[0196] In the third exemplary fastening element 1.2, in addition to the snap-in structure 27, a further snap-in structure 27' can also be provided. The further snap-in structure 27' can be designed in accordance with the snap-in structure 27 and can be a mirror image of it with respect to the spatial axis R. Accordingly, the further snap-in structure 27' can have a first material section 27.1', a second material section 27.2', and, for example, an insertion section 28'. For example, one of the snap-in structures 25, 25' is located transversely, in particular orthogonally, to the spatial axis R on both sides of the first contact surface 4 and / or the second contact surface 5.

[0197] In the third exemplary fastening element 1.2, the first material section 27.1 or 27.1' is curved, particularly arc-shaped, transversely, especially orthogonally to the spatial axis R. The second material section 27.2 or 27.2' and / or the insertion section 28 or 28' can also be straight transversely, especially orthogonally to the spatial axis R.

[0198] In the fastening arrangement of the Fig. In section 37, the counterpart structure 79A or 79A' is encompassed by the snap-fit ​​structure 27 or 27', thus forming a snap connection. For example, the curved material section 27.1 or 27.1' of the snap-fit ​​structure 27 or 27' is at least partially in operative contact with the curved material section 79.2A or 79.2'A of the counterpart structure 79A or 79A', and the second material section 27.2 or 27.2' of the snap-fit ​​structure 27 or 27' is at least partially in operative contact with the material section 79.1 or 79.1' of the counterpart structure 79A or 79A'.

[0199] Fig. 38 and Fig. Figure 39 shows an exemplary embodiment of a fastening element 30 for a (in the Fig. 38 and Fig. 39 (not shown) facade panel, in particular a single facade panel, in various views. This fastening element 30, also referred to in the present disclosure as the start fastening element, is, for example, a modification of the exemplary fastening element 1 for two facade panels such that, for example, the hook 7 and the associated contact surface 4 are omitted. The start fastening element 30 has a contact surface 31 for attaching the one facade panel and accordingly a hook structure with the at least one hook 8 or 8'. For example, the contact surface 31 corresponds to the contact surface 5 of the exemplary fastening element 1.

[0200] Functional sections of the exemplary start fastening element 30 that are structurally or functionally identical to functional sections of the exemplary fastening element 1 are provided with the same reference numerals; in this respect, reference is made to the preceding description of the exemplary fastening element 1. In principle, the start fastening element 30 can also be configured in one or more further embodiments corresponding to the exemplary fastening element 1.1 or the exemplary fastening element 1.2. In this respect, reference is made to the preceding description of the exemplary fastening element 1.1 or the exemplary fastening element 1.2 with regard to these embodiments.

[0201] Fig. 40 and Fig. Figure 41 illustrates a fastening arrangement of the start fastening element 30 to a substructure profile, where the exemplary first substructure profile 70 is used in each case. This fastening arrangement essentially corresponds to the fastening arrangement according to the Fig. 35, in which the first exemplary fastening element 1 is attached to the first exemplary substructure profile 70. In this respect, reference is made to the description of the fastening arrangement of the Fig. 35 referred.

[0202] The exemplary starter fastening element 30 is suitable for use in fastening a first facade panel, for example, when a facade surface is to be created by laying facade panels. A possible assembly arrangement with a first facade panel is shown in [reference to diagram]. Fig. 42 and Fig. 43 shown. The first facade panel, for example, is facade panel 40 according to the Fig. 4.

[0203] The first facade panel 40 is attached to the exemplary substructure profile 70 via the exemplary start fastener 30 and the exemplary fastener 1. The start fastener 30 is the first fastener coming from below, followed by the exemplary fastener 1. For example, the exemplary start fastener 30 engages with its at least one hook 8 or 8' in the lateral recess 46 of the facade panel 40. For example, the exemplary fastener 1 engages with its hook 7 over the lateral projection 45.2.

[0204] In the assembly arrangement of the Fig. 42 and Fig. Figure 43 shows, for example, the exemplary start fastening element 30 and the exemplary fastening element 1 additionally screwed to the substructure profile 70. For this purpose, a connecting element, for example, in the type of connecting element 61, is screwed into the threaded second longitudinal groove 77. The exemplary substructure profile 70 itself can be attached to a (in the Fig. 42 and Fig. 43 (not shown) console or other substructure or attached directly to a building wall.

[0205] Fig. Figure 44 shows an exemplary first embodiment of a start profile 400 in a perspective view. The exemplary start profile 400 can, for example, be used as a finishing profile in the construction of a facade surface. The exemplary start profile 400 has a front 410 and a back 420. The exemplary start profile 400 also has a contact surface 430, which faces the front 410 or is formed on the front 410. The contact surface 430 lies in a contact plane and is, in particular, configured to a wall section of a (in the Fig. 44 (not shown) substructure profiles are to be created.

[0206] Fig. Figure 45 shows an example of a fastening arrangement of the start profile 400 to a substructure profile in the type of the exemplary substructure profile 70 of the Fig. 8. The exemplary starting profile 400 is positioned there with its contact surface 430 on the lateral wall section 80 of the exemplary substructure profile 70.

[0207] The exemplary starting profile 400 comprises an elongated base body 440 with two side wall surfaces 442, 444 and a bottom wall surface 446, which form a trough shape with respect to the cross-section of the base body 44. Preferably, the trough shape is open towards the mounting plane and is recessed towards the rear side 420 of the starting profile 400.

[0208] For example, with respect to the cross-section of the base body 440, one of the side wall surfaces 442, 444 is located on a side of the base body 440 facing the contact surface 430. For example, with respect to the cross-section of the base body 44, the other side wall surface 444 is formed on a wall section 448, which extends from the bottom wall surface 446 in the direction of the contact plane and is arranged at an end 450 facing away from the bottom wall surface 446, as a contact for a (in the Fig. 44 and Fig. 45 (not shown) facade panel to be used.

[0209] Fig. 46 and Fig. 47 show an exemplary assembly arrangement with the fastening arrangement according to the Fig. 45 and a facade panel in the style of the exemplary facade panel 40 of the Fig. 4. The exemplary substructure profile 70 extends horizontally along its length (arrow G), and the exemplary facade panel 40 is positioned transversely to it. For example, the exemplary facade panel 40 extends vertically along its length, as indicated by arrow B. The exemplary substructure profile 70 is, for instance, the first substructure profile in this case, and the narrow side 55 of the exemplary facade panel 40 forms a bottom end.

[0210] As from the Fig. 46 and Fig. As can be seen in Figure 47, with respect to the installation plane, the projecting end 450 is spaced from the installation surface 430, for example, such that in the case of the mounted facade panel 40, the projecting end 450 of the start profile 400 acts against a narrow side 55 of the exemplary facade panel 40, in particular the exemplary facade panel 40 with its narrow side 55 is supported against the projecting end 54. As a result of this and due to the trough shape, a free space 470 is created between the side wall surfaces 442, 444 of the start profile 400.

[0211] For example, the projecting end 54 of the wall section 448 is positioned at a distance in front of the installation plane. Viewed in the direction away from the bottom wall surface 446, the wall section 448 thus ends in this case at a distance in front of the installation plane. As can be seen in particular from the Fig. 44, Fig. 45 to Fig. As can be seen in Figure 46, the contact surface 34 can be arranged on, and in particular formed, a material section 460 which is integrally formed with the base body 440. For this purpose, it is advantageous for the start profile 401 to be a metal profile and to have or consist of a metallic material, in particular aluminum or stainless steel. For example, the start profile 400 is an extruded part or made from an extruded part.

[0212] Fig. Figure 48 shows the exemplary starting profile 400 in another possible assembly arrangement. The exemplary substructure profile 70.1 is used there as the substructure profile. Fig. 11, where the exemplary starting profile 400 with its installation area 430 is located.

[0213] Fig. Figure 49 shows an exemplary second embodiment of a launch profile 400.1. The exemplary second launch profile 400.1 differs from the exemplary first launch profile 400 in that the wall section 448 is formed on a material section 480, which projects downwards, i.e., in the opposite direction to the end 450, beyond the bottom wall surface 446. For example, the material section 480 and a material section 490 having the bottom wall surface 446 form a T-shape.

[0214] The Fig. Figure 49 shows the exemplary starting profile 401.1 in an assembly arrangement with the exemplary substructure profile 70 of the Fig. 8 and the exemplary facade panel 40 of the Fig. 4, wherein the exemplary fastening element 1 of the Fig. 1 is indicated. The exemplary fastening element 1 is in a snap connection with the exemplary substructure profile 70 and is additionally attached to it via a connecting element in the type of connecting element 61.

[0215] The following example shows Fig. 49 also a screw fastening of the exemplary start profile 400.1 to the exemplary substructure profile 70. For this purpose, a screw element in the form of the screw element 62 is indicated, which is driven into the lateral wall section 80 of the exemplary substructure profile 70 via the material section 460 having the contact surface 430.

[0216] As from the Fig.As can be seen in Figure 49, a protective plate 500 can be attached to the underside of the material section 490, which has the bottom wall surface 446. A screw element similar to the screw element 62 can be used for this purpose, which is driven into the material section 490 of the exemplary start profile 400.1 via the protective plate 500.

[0217] The terms "horizontal" and "vertical" in this disclosure are to be understood in connection with the specified direction relative to the ground, which is indicated by arrow B. The term "vertical" refers to the direction perpendicular to the ground. The term "horizontal," on the other hand, refers to a direction orthogonal to the vertical direction. Reference symbol list 1, 1.1, 1.2 Fastening element 2 Front 3 Back 4 first construction area 5 second investment area 6 Basic section 7 hooks 7.1 Foot section 7.2 Cross section 7.3 Inclined section 8, 8' hook 8.1 Foot section 8.2 Cross section 8.3 Inclined section 9.9' lead 10 Mounting structure 11 Through hole 11.1 Hole opening 12 Area section 13 further through-holes 14 Profile section 14.1 Thigh 14.2 Thigh 14.3 Base bridge 15, 15' Snap structure 15.1, 15.1' first material section 15.2, 15.2' second material section 16, 16' Introductory section 17 bending edges 18 Plant area 19 additional investment areas 20 rolled edge 21, 21' bending edge 25.1, 25.1' first material section 25.2, 25.2' second material section 26, 26' Introductory section 27.1, 27.1' first material section 27.2, 27.2' second material section 28, 28' Introductory section 30 Fastening element 31 Plant area 40, 40' facade panel 41 Front 41.1 Facade area 42, 42' reverse 43 Narrow side 43.1, 43.1' side surface 44 Narrow side 44.1, 44.1' side surface 45.1, 45.1' first lead 45.2, 45.2' second lead 46, 46' Deepening 47, 48 Area section 49 End 50 recordings 51 Slanted 52, 52' Contact area 53, 53' Fugue 54 joint 55 Narrow side 60 Fasteners 61 Connecting element 62 screw element 70, 70A substructure profile 70.1, 70.1' Substructure profile 71 Basic body 72, 72.1 Connecting part 73 Front 74 Back 75 m² of installation area 76 first longitudinal groove 76.1 Groove opening 76.2 Groove 76.3 Groove flanks 77 second longitudinal groove 77.1 Groove opening 77.2 Groove 77.3 Groove flanks 78 grooves 79, 79' Counterstructure 79A, 79A' Counterstructure 79.1, 79.1' Material section 79.2, 79.2' Material section 79.3, 79.3' Material section 79.2A, 79.2A' material section 80, 80' wall section 81, 81' Hollow chamber 82, 83 side wall 84, 85 Connecting plate 86, 86' section 87, 88 through hole Section 89 90 side wall 95 longitudinal connectors 96 cavity 97 contour 98 gradations 99 Connecting element 100 Substructure 200, 200' console 210 first material section 220 second material section 230 third material section 240, 240' Through hole 300 battens 400, 400.1 Starting profile 410 Front 420 reverse 430 square meters of plant area 440 basic bodies 442 side wall area 444 side wall area 446 floor wall area 448 Wall section 450 End 460 Material section 470 free space 480, 490 Material section 500 protective plate A1, A2, A3 distance B Arrow (direction towards the ground) G Arrow (direction towards the building wall) L1, L2 Longitudinal axis R, R' spatial axis

Claims

[1] Fastening element (1) for two facade panels (40, 40') with lateral projection (45.2; 45.2') or lateral recess (46; 46'), comprising a front (2) and a back (3), a first mounting surface (4) facing the front (2) for mounting a first facade panel (40), a second mounting surface (5) facing the front (2) for mounting a second facade panel (40'), a hook structure with at least two hooks (7, 8) having a base section (7.1, 8.1) and a transverse section (7.2, 8.2) extending along the first mounting surface (4) and / or second mounting surface (5) in the direction of a spatial axis (R; R') away from the base section (7.1, 8.1), wherein one of the hooks (7, 8) projects from a first mounting surface having the first mounting surface (4) in the direction of the front (2) and is configured with its transverse section (7.2) to engage in a lateral recess (46) of the first facade panel (40) or to engage a lateral projection (45.2) of the first facade panel (40), and the other hook (8) projects from a second mounting surface having the second mounting surface (5) in the direction of the front (2) and is configured with its transverse section (8.2) to engage in a lateral recess (46') of the second facade panel (40') or to overlap a lateral projection (45.2') of the second facade panel (40'). at least one projection (9) which is assigned to the first mounting surface (4) and projects out from the first mounting plane in the direction of the front (2), wherein the projection (9) is designed to serve as a stop for the first facade panel (40), and is arranged in front of the foot section (7.1) in relation to the hook (7) belonging to the first mounting surface (4) in the direction of the spatial axis (R) towards its base section (7.1), a fastening structure (10) for fastening the fastening element (1) to a substructure (100) for a building wall or directly to a building wall. [2] Fastening element according to claim 1, wherein the projection (9) is flexible and is configured to yield in the direction of the foot section (7.1) of the associated hook (7) when the first facade panel (40) presses on the projection (9) with a force which exceeds a preferably predetermined limit force. [3] Fastening element according to claim 2, wherein the projection (9) is formed by a material section produced by punching out a base section (6) of the fastening element (1) and bending along a bending edge (21) which extends transversely to the spatial axis (R). [4] Fastening element according to one of the preceding claims, wherein, starting from the foot section (7.1), the transverse section (7.2) of the associated hook (7) terminates in the direction of the spatial axis (R) at a distance (A1) which is greater than a distance (A2) between the foot section (8.1) and the end of the transverse section (8.2) of the other hook (8) in the direction of its spatial axis (R'). [5] Fastening element according to claim 4, wherein the distance (A1) between the foot section (7.1) and the end of the transverse section (7.2) of the associated hook (7) is longer than the distance between the foot section (8.1) and the end of the transverse section (8.2) of the other hook (8) by at least a distance (A3) between the foot section (7.1) of the associated hook (7) and the projection (9). [6] Fastening element according to one of the preceding claims, wherein the fastening structure (10) has a through hole (11) suitable for a connecting means (60) with a hole opening (11.1) facing the front (2) and the fastening element (1) comprises a surface section (12) which is recessed towards the rear (3) opposite the first contact surface (4) and / or the second contact surface (5) and has the hole opening (11.1). [7] Fastening element (1) for two facade panels (40, 40') with lateral projection (45.2; 45.2') or lateral recess (46; 46'), comprising a front (2) and a back (3), a first mounting surface (4) facing the front (2) for mounting a first facade panel (40), a second mounting surface (5) facing the front (2) for mounting a second facade panel (40'), a hook structure with at least two hooks (7, 8) having a base section (7.1, 8.1) and a transverse section (7.2, 8.2) extending along the first mounting surface (4) and / or second mounting surface (5) in the direction of a spatial axis (R; R') away from the base section (7.1, 8.1), wherein one of the hooks (7, 8) projects from a first mounting surface having the first mounting surface (4) in the direction of the front (2) and is configured with its transverse section (7.2) to engage in a lateral recess (46) of the first facade panel (40) or to engage a lateral projection (45.2) of the first facade panel (40), and the other hook (8) projects from a second mounting surface having the second mounting surface (5) in the direction of the front (2) and is configured with its transverse section (8.2) to engage in a lateral recess (46') of the second facade panel (40') or to overlap a lateral projection (45.2') of the second facade panel (40'). a fastening structure (10) for fastening the fastening element (1) to a substructure (100), comprising a through hole (11) suitable for a connecting element (60) with a hole opening (11.1) facing the front (2), a surface section (12) which is recessed towards the rear (3) opposite the first mounting surface (4) and / or the second mounting surface (5) and has the hole opening (11.1). [8] Fastening element according to claim 6 or 7, wherein one of the hooks (7, 8) is arranged on the recessed surface section (12). [9] Fastening element according to one of claims 6 to 8, wherein the hook (7) belonging to the first contact surface (4) is arranged on the recessed surface section (12) and the associated hook (7) points in a direction away from the hole opening (11.1). [10] Fastening element according to one of claims 6 to 9, comprising a U-shaped profile section (14) with two legs (14.1, 14.2) and an intermediate base web (14.3), wherein the recessed surface section (12) is formed on the base web (14.3). [11] Fastening element according to claim 10, wherein the U-shaped profile section (14) has a longitudinal extension in a direction in which the hook (7) belonging to the first contact surface (4) points. [12] Fastening element according to claim 10 or 11, wherein the first contact surface (4) and / or the second contact surface (5) are interrupted by the U-shaped profile section (14) and in the longitudinal direction of the U-shaped profile section (14) the first contact surface (4) and / or the second contact surface (5) is located on both sides of the U-shaped profile section (14). [13] Fastening element according to one of the preceding claims, wherein, viewed in the direction of the spatial axis (R), the first contact surface (4) and the second contact surface (5) are arranged one behind the other and the at least two hooks (7, 8) point in opposite directions. [14] Fastening element according to one of the preceding claims, wherein the at least two hooks (7, 8) are formed by a material section produced by punching out a base section (6) of the fastening element (1) and bending along at least one bending edge (21') which extends transversely to the associated spatial axis (R; R'). [15] Fastening element according to one of the preceding claims, wherein the hook (8) belonging to the second contact surface (5) is provided twice and, viewed in the direction of the spatial axis (R'), the hook (7) belonging to the first contact surface (4) is arranged between these hooks (8, 8'). [16] Fastening element according to one of the preceding claims, wherein the fastening structure (10) comprises a snap structure (15) for forming a snap connection with the substructure (100), wherein the snap structure (15) has or consists of a spring-elastic material and is arranged to expand against the spring force of the material in a direction transverse to the spatial axis (R) in order to be slipped over a counter structure of the substructure (100). [17] Fastening element (1; 1.1; 1.2) for two facade panels (40, 40') with a lateral projection (45.2; 45.2') or lateral recess (46; 46'), comprising a front (2) and a back (3), a first mounting surface (4) facing the front (2) for mounting a first facade panel (40), a second mounting surface (5) facing the front (2) for mounting a second facade panel (40'), a hook structure with at least two hooks (7, 8) having a base section (7.1, 8.1) and a transverse section (7.2, 8.2) extending along the first mounting surface (4) and / or second mounting surface (5) in the direction of a spatial axis (R; R') away from the base section (7.1, 8.1), wherein one of the hooks (7, 8) projects from a first mounting surface having the first mounting surface (4) in the direction of the front (2) and is configured with its transverse section (7.2) to engage in a lateral recess (46) of the first facade panel (40) or to engage a lateral projection (45.2) of the first facade panel (40), and the other hook (8) projects from a second mounting surface having the second mounting surface (5) in the direction of the front (2) and is configured with its transverse section (8.2) to engage in a lateral recess (46') of the second facade panel (40') or to overlap a lateral projection (45.2') of the second facade panel (40'). a fastening structure (10) for fastening the fastening element (1; 1.1; 1.2) to a substructure (100), comprising at least one snap structure (15; 25; 27) for forming a snap connection with the substructure (100), wherein the snap structure (15; 25; 27) has or consists of a spring-elastic material and is arranged to be elastically deformed against the spring force of the material in a direction transverse to the spatial axis (R) in order to be slipped over a counter structure (79; 79A) of the substructure (100). [18] Fastening element according to claim 16 or 17, wherein, viewed transversely to the spatial axis (R), the snap structure (15; 27) has at least two material sections (15.1, 15.2; 27.1, 27.2) adjoining a base section (6) having the first contact surface (4) and / or the second contact surface (5), of which first a first material section (15.1) extending obliquely away from the base section (6) in the direction away from the spatial axis (R) and subsequently a second material section (15.2) extending towards the spatial axis (R). [19] Fastening element according to claim 16 or 17, wherein, viewed transversely to the spatial axis (R), the snap structure (25) has at least two material sections (25.1, 25.2) adjoining a base section (6) having the first contact surface (4) and / or the second contact surface (5), of which first a first material section (25.1) extending orthogonally away from the base section (6) and subsequently a second material section (25.2) extending towards the spatial axis (R). [20] Fastening element according to claim 18 or 19, wherein, viewed transversely to the spatial axis (R), the first material section (15.1; 25.1) is straight. [21] Fastening element according to claim 18 or 19, wherein, viewed transversely to the spatial axis (R), the first material section (27.1) is curved, in particular arc-shaped. [22] Fastening element according to one of claims 18 to 21, wherein, viewed transversely to the spatial axis, an insertion section (16; 26; 28) extends from the second material section (15.2; 25.2; 27.2) in a direction away from the spatial axis (R). [23] Fastening element according to one of claims 16 to 22, wherein the snap structure (15; 25; 27) is produced by bending along at least one, preferably several bending edges (17) extending in the direction of the spatial axis (R). [24] Fastening element according to one of claims 16 to 23, wherein the snap structure (15; 25; 27) is provided in two places and one of the two snap structures (15, 15'; 25, 25'; 27, 27') is located transversely to the spatial axis (R) on both sides of the first contact surface (4) and / or the second contact surface (5). [25] Fastening element (30) for a facade panel (40) with a lateral projection (45.2) or lateral recess (46), comprising a front (2) and a back (3), a mounting surface (31) facing the front (2) for attaching a facade panel (40), a hook structure with at least one hook (8) which has a base section (8.1) and a transverse section (8.2) extending along the mounting surface (31) in the direction of a spatial axis (R) away from the base section (8.1), wherein the hook (8) projects out of a mounting plane having the mounting surface (31) in the direction of the front (2) and is configured to engage with its transverse section (8.2) in a lateral recess (46) of the facade panel (40) or to engage over a lateral projection (45.2) of the facade panel (40), a fastening structure (10) for fastening the fastening element (30) to a substructure (100), comprising a through hole (11) suitable for a connecting element (60) with a hole opening (11.1) facing the front (2), a surface section (12) which is recessed towards the rear (3) opposite the mounting surface (31) and has the hole opening (11.1). [26] Fastening element according to claim 25, comprising a U-shaped profile section (14) with two legs (14.1, 14.2) and an intermediate base web (14.3), wherein the recessed surface section (12) is formed on the base web (14.3). [27] Fastening element according to claim 26, wherein the U-shaped profile section (14) has a longitudinal extension in a direction in which the hook (8) points. [28] Fastening element according to claim 26 or 27, wherein the contact surface (31) is interrupted by the U-shaped profile section (14) and in the longitudinal direction of the U-shaped profile section (14) the contact surface (31) is located on both sides of the U-shaped profile section (14). [29] Fastening element according to one of claims 25 to 28, comprising at least one snap structure (15) for forming a snap connection with the substructure (100), wherein the snap structure (15) has or consists of a spring-elastic material and is arranged to be elastically deformed against the spring force of the material in a direction transverse to the spatial axis (R) in order to be slipped over a counter structure (79; 79A) of the substructure (100). [30] Fastening element (30) for a facade panel (40) with a lateral projection (45.2) or lateral recess (46), comprising a front (2) and a back (3), a mounting surface (31) facing the front (2) for attaching a facade panel (40), a hook structure with at least one hook (8) which has a base section (8.1) and a transverse section (8.2) extending along the mounting surface (31) in the direction of a spatial axis (R) away from the base section (8.1), wherein the hook (8) projects out of a mounting plane having the mounting surface (31) in the direction of the front (2) and is configured to engage with its transverse section (8.2) in a lateral recess (46) of the facade panel (40) or to engage over a lateral projection (45.2) of the facade panel (40), a fastening structure (10) for fastening the fastening element (30) to a substructure (100), comprising at least one snap structure (15; 25) for forming a snap connection with the substructure (100), wherein the snap structure (15) has or consists of a spring-elastic material and is arranged to be elastically deformed against the spring force of the material in a direction transverse to the spatial axis (R) in order to be slipped over a counter structure (79; 79A) of the substructure (100). [31] Fastening element according to claim 29 or 30, wherein, viewed transversely to the spatial axis (R), the snap structure (15) has at least two material sections (15.1, 15.2) adjoining a base section (6) having the contact surface (31), of which first a first material section (15.1) extending obliquely away from the base section (6) in the direction away from the spatial axis (R) and subsequently a second material section (15.2) extending towards the spatial axis (R). [32] Fastening element according to claim 29 or 30, wherein, viewed transversely to the spatial axis (R), the snap structure (15) has at least two material sections (15.1, 15.2) adjoining a base section (6) having the contact surface (31), of which first a first material section (15.1) extending orthogonally away from the base section (6) and subsequently a second material section (15.2) extending towards the spatial axis (R). [33] Fastening element according to claim 31 or 32, wherein, viewed transversely to the spatial axis (R), the first material section (15.1) is straight or curved, in particular arc-shaped. [34] Fastening element according to one of claims 29 to 33, wherein the snap structure (15) is provided in two places and one of the two snap structures (15, 15') is located on both sides of the contact surface (31) transverse to the spatial axis (R). [35] Fastening element according to one of the preceding claims, wherein the fastening element (1; 1.1; 1.2; 30) is a metal part, in particular a sheet metal part, and comprises or consists of a metallic material, in particular a spring steel. [36] Facade panel (40), comprising a front (41) and a back (42), wherein the front (41) forms or is equipped to form or accommodate a facade surface (41.1), two narrow sides (43, 44), which run in the direction of the longitudinal extension of the facade panel (40), are opposite each other and connect the front (41) and the back (42), a stepped rebate with a first projection (45.1) and a second projection (45.2), each of which is assigned to one of the narrow sides (43, 44) and projects transversely to the longitudinal extent of the facade panel (40) opposite a side surface (43.1; 44.1) of the associated narrow side (43; 44), wherein, viewed in the direction from the front (41) to the back (42), the first projection (45.1) and the second projection (45.2) lie one behind the other, wherein the stepped rebate is arranged to form an overlapping connection with the stepped rebate of a similar further facade panel (40') between the first projection (45.1) of one facade panel (40) and the second projection (45.2') of the further facade panel (40') or between the second projection (45.2) of one facade panel (40) and the first projection (45.1') of the further facade panel (40'). to manufacture facade panels (40'), a recess (46) which is located in the side surface (43.1) of the narrow side (43) having the first projection (45.1) and is configured to receive the transverse section (7.2; 8.2) of one of the hooks (7, 8) of a fastening element (1) according to one of claims 1 to 24 or the transverse section (8.2) of the at least one hook (8) of a fastening element (30) according to one of claims 25 to 35. [37] Facade panel according to claim 36, wherein the recess (46) extends longitudinally over the longitudinal extent of the facade panel (40). [38] Facade panel according to claim 36 or 37, wherein the second projection (45.2) has two surface sections (47, 48) which face a plane having the front (41) and, viewed transversely to the longitudinal extent of the facade panel (40) towards an outer end (49) of the second projection (45.2), the surface sections (47, 48) lie one behind the other and the surface section (48) facing the outer end (49) is lower than the other surface section (47) in the direction towards the rear (42) of the facade panel (40), so that in an overlapping connection of the second projection (45.2) with the first projection (45.1') of a similar further facade panel (40') the lower surface section (48) forms a side wall of a receptacle (50) for the transverse section (7.2; 8.2) of one of the hooks (7, 8) of a fastening element (1; 1.1; 1.2; 30) according to one of claims 1 to 24. [39] Facade panel according to claim 38, wherein in the direction transverse to the longitudinal extent of the facade panel (40) the lower surface section (48) has an extent which corresponds at least to the transverse extent of one hook (7) in the direction of the spatial axis (R) associated with it. [40] Facade panel according to one of claims 36 to 39, wherein in the direction transverse to the longitudinal extent of the facade panel (40) the first projection (45.1) is of the same length or longer than the second projection (45.2). [41] Substructure profile (70; 70A; 70.1) for a facade substructure (100), comprising • an elongated base body (71) and • a connecting part (72; 72.1) for attachment to a wall bracket (200) or batten (300) of a building wall or directly to a building wall, comprising the base body (71) a front (73) and a back (74), wherein the front (73) has a mounting surface (75) for a fastening element for attaching a facade panel, a first longitudinal groove (76) and a second longitudinal groove (77), which extend with their longitudinal extent in the longitudinal direction of the base body (71) and each have a groove opening (76.1; 77.1) facing the front (73) and a groove base (76.2; 77.2) facing the rear (74), and the groove opening (77.1) of the second longitudinal groove (77) is arranged in the groove base (76.2) of the first longitudinal groove (76), and wherein the second longitudinal groove (77) is designed as a threaded groove which has grooves (78) extending in the longitudinal direction of the base body (71) on its groove flanks (77.3) in order to engage a threaded connecting element (61) in thread engagement. [42] Substructure profile according to claim 41, wherein the first longitudinal groove (76) is provided to receive the recessed surface section (12) of a fastening element (1; 30) according to one of claims 6 to 12 and 25 to 29 and the second longitudinal groove (77) is provided to fasten the fastening element (1; 30) via the through hole (11) in the recessed surface section (12) by means of thread engagement of the connecting element (61) in the threaded groove. [43] Substructure profile according to claim 41 or 42, wherein the base body (71) has a counter-structure (79; 79A) to the snap-in structure (15; 25; 27) of a fastening element (1; 1.1; 1.2; 30) according to one of claims 16 to 24 and 29 to 34 and the counter-structure (79; 79A) is configured to form a snap-in connection with the snap-in structure (15; 25; 27). [44] Substructure profile according to claim 43, wherein the counter-structure (79; 79A) has two material sections (79.1, 79.2; 79.1A, 79.2A) transverse to the longitudinal extent of the base body (71), one of which material section (79.1; 79.1A) adjoins an outer wall section (80) of the base body (71) and extends obliquely outwards from it, and the other material section (79.2; 79.2A) adjoins it and extends from it towards the front (73) of the base body (71). [45] Substructure profile (70; 70A ;70.1) for a facade substructure (100), comprising • an elongated base body (71) and • a connecting part (72; 72.1) for attachment to a wall bracket (200) or batten (300) of a building wall or directly to a building wall, comprising the base body (71) a front (73), a back (74) and an outer wall section (80) extending in the direction of the front (73), wherein the front (73) has a contact surface (75) for a fastening element for attaching a facade panel, a counter-structure (79; 79A) to the snap-in structure (15; 25; 27) of a fastening element (1; 1.1; 1.2; 30) according to one of claims 16 to 24 and 29 to 34, wherein the counter-structure (79; 79A) is configured to form a snap-in connection with the snap-in structure (15; 25; 27), and the counter-structure (79; 79A) has two material sections (79.1, 79.2) transverse to the longitudinal extent of the base body (71), one of which material section (79.1) adjoins the outer wall section (80) and extends obliquely outwards from it, and the other material section (79.2) adjoins it and extends from it towards the front (73) of the base body (71). [46] Substructure profile according to one of claims 41 to 45, wherein the base body (71) has two elongated hollow chambers (81, 81') which extend with their longitudinal extent in the longitudinal direction of the base body (71) and the outer sides of mutually facing side walls (82, 83) of the hollow chambers (81, 81') form the inner sides of the first longitudinal groove (76) and / or the second longitudinal groove (77). [47] Substructure profile according to one of claims 41 to 46, wherein the connecting part (72) has a connecting plate (84) which is arranged with a surface side on the rear (74) of the base body (71) and projects transversely to the longitudinal extent of the base body (71) with at least one section (86) thereof, wherein the projecting section (86) has at least one through hole (87). [48] ​​Substructure profile according to one of claims 41 to 47, wherein the connecting part (72.1) has a connecting plate (85) which is arranged with a surface side on an outer side wall (90) of the base body (71) and, viewed transversely to the longitudinal extent of the base body (71) from the front (73) to the rear (74), projects from the rear (74) of the base body (71) with a section (89), wherein the projecting section (89) can be used for screwing in a screw element (62). [49] Substructure profile according to any one of claims 41 to 48, wherein the substructure profile (70; 70A; 70.1) is a metal profile and comprises or consists of a metallic material, in particular aluminium or stainless steel. [50] Substructure profile according to any one of claims 41 to 49, wherein the substructure profile (70; 70A; 70.1) is an extruded part or is made from an extruded part. [51] Starting profile (400), comprehensive a front (410) and a back (420), a contact surface (430) facing the front (410) or formed on the front (410), which lies in a contact plane and is arranged to be applied to a wall section of a substructure profile, in particular a wall section (80) of a substructure profile (70; 70.1; 70A) according to one of claims 41 to 50, an elongated base body (440) with two side wall surfaces (442, 444) and a bottom wall surface (446), which form a trough shape with respect to the cross-section of the base body (440), which is open to the plane of contact and is recessed towards the rear (420), wherein, with respect to the cross-section of the base body (440), one of the side wall surfaces (442, 444) is located on a side of the base body (440) facing the mounting surface (430), and the other side wall surface (444) is formed on a wall section (448) which extends from the bottom wall surface (446) towards the mounting plane and is provided at an end (450) projecting away from the bottom wall surface (446) to be used as a mounting for a facade panel (40), and wherein, with respect to the installation plane, the projecting end (450) is spaced away from the installation surface (430) in such a way that, when a facade panel (40) is mounted on the substructure profile (70; 70.1; 70A), the projecting end (450) acts against a narrow side (55) of the facade panel (40). [52] Starting profile according to claim 51, wherein the projecting end (450) of the wall section (448) is located at a distance in front of the installation plane. [53] Starting profile according to claim 51 or 52, wherein the contact surface (430) is formed on a material section (460) which is integrally formed on the base body (440). [54] Starting profile according to one of claims 51 to 53, wherein the starting profile (400) is a metal profile and comprises or consists of a metallic material, in particular aluminium or stainless steel. [55] Starting profile according to one of claims 51 to 54, wherein the substructure profile (70; 70A; 70.1) is an extruded part or is made from an extruded part. [56] Assembly arrangement comprising a substructure profile, in particular a substructure profile (70; 70.1; 70A) according to one of claims 41 to 50, a facade panel mounted thereon, in particular a facade panel (40) according to one of claims 36 to 40, and a starter profile (400) according to one of claims 51 to 55, wherein the starter profile (400) is positioned with its contact surface (430) against a wall section (80) of the substructure profile (70; 70.1; 70A) and the projecting end (450) points towards a narrow side (55) of the facade panel (40) to act as a stop. [57] Facade system for a building, comprising a plurality of facade panels and fastening elements, and in particular substructure profiles, and in particular comprising at least several starter profiles, wherein at least one of the fastening elements is a fastening element (1; 1.1; 1.2) according to any one of claims 1 to 24 and / or at least one further of the fastening elements is a fastening element (30) according to any one of claims 25 to 34 and / or at least two of the facade panels are designed in the manner of a facade panel (40) according to any one of claims 36 to 40 and / or at least one of the substructure profiles is a substructure profile (70; 70.1) according to any one of claims 41 to 50 and / or at least one of the starter profiles is a starter profile (400) according to any one of claims 51 to 55.

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