EP4001545B1 - Panneau avec prévention de passage contre la pénétration de liquide - Google Patents

Panneau avec prévention de passage contre la pénétration de liquide Download PDF

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Publication number
EP4001545B1
EP4001545B1 EP20207229.4A EP20207229A EP4001545B1 EP 4001545 B1 EP4001545 B1 EP 4001545B1 EP 20207229 A EP20207229 A EP 20207229A EP 4001545 B1 EP4001545 B1 EP 4001545B1
Authority
EP
European Patent Office
Prior art keywords
panel
face
base plane
locking hook
tongue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20207229.4A
Other languages
German (de)
English (en)
Other versions
EP4001545A1 (fr
Inventor
Hans-Jürgen HANNIG
Egon Hoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP20207229.4A priority Critical patent/EP4001545B1/fr
Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Priority to PL20207229.4T priority patent/PL4001545T3/pl
Priority to CA3194923A priority patent/CA3194923A1/fr
Priority to MX2023005210A priority patent/MX2023005210A/es
Priority to EP21810348.9A priority patent/EP4244446A1/fr
Priority to US18/030,544 priority patent/US20230374793A1/en
Priority to CN202180067454.9A priority patent/CN116324101A/zh
Priority to PCT/EP2021/081333 priority patent/WO2022101318A1/fr
Priority to KR1020237013913A priority patent/KR20230071180A/ko
Publication of EP4001545A1 publication Critical patent/EP4001545A1/fr
Application granted granted Critical
Publication of EP4001545B1 publication Critical patent/EP4001545B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02033—Joints with beveled or recessed upper edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E04F13/0894—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with tongue and groove connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02005—Construction of joints, e.g. dividing strips
    • E04F15/02016—Construction of joints, e.g. dividing strips with sealing elements between flooring elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/042—Other details of tongues or grooves with grooves positioned on the rear-side of the panel
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/043—Other details of tongues or grooves with tongues and grooves being formed by projecting or recessed parts of the panel layers

Definitions

  • the invention relates to a panel with a high level of protection against penetration of liquid on an underside of the panel, which can cover a surface of a room with the help of other such panels, in particular in order to thereby improve the visual appearance of the room and/or the surface of the room with a layer of material more suitable for the intended function.
  • a panel which can be locked at the end face with a correspondingly shaped further panel via a locking hook which snaps into a receiving groove of the further panel, with a joint plane running perpendicular to the longitudinal direction of the panel and perpendicular to the transverse direction of the panel being formed in a thickness range outside the locking hook , from which two receiving pockets of different depths extend vertically in the longitudinal direction of the panel for receiving corresponding protruding locking bumps of the further panel and two locking bumps of different heights protrude for engaging in corresponding receiving pockets of the further panel.
  • One embodiment relates to a panel for covering a surface of a room, with a panel body extending in a longitudinal direction and a transverse direction for transferring usage loads introduced on an upper side of the panel body to an underside of the panel body facing the surface of the room, the upper side facing the underside is spaced apart in a thickness direction, and a locking hook projecting from the panel body in the longitudinal direction for locking in a receiving groove of a further panel, wherein a front base plane of an end face of the panel body running away from the locking hook is beveled to the thickness direction to form an obtuse angle with the locking hook, the Obtuse angle between the locking hook and the frontal base plane in the transverse direction changes with a constant gradient.
  • the panel can have a panel body based on a cuboid as a basic shape, the longitudinal extent of which is generally significantly larger than its transverse extent, while the thickness of the panel body in the thickness direction is generally smaller than its transverse extent.
  • the panel body can have, on one long side running in the longitudinal direction, a bung attachment that extends continuously in the longitudinal direction and projects in the transverse direction, and on the other side a bung groove introduced in the panel body in the transverse direction, so that essentially identically designed panels on the long sides can be connected to one another via a tongue-and-groove connection designed as a bung.
  • the transverse direction can be used
  • the locking hooks protrude in the longitudinal direction on the short side of the panel body, while a spring body can protrude on the other short side of the panel body, which has a receiving groove limited, so that essentially identically designed panels can also be locked together on their short sides via a tongue-and-groove connection.
  • one panel can rest flat on a surface that defines a usage level, for example a floor, a side wall or a ceiling of a room.
  • the additional panel can, if necessary, be placed on the long side at an angle of approximately 30°, slightly bevelled, with an already assembled panel running laterally next to the panel, and then pivoted onto the surface, whereby the tongue-and-groove connection between the locking hook of the panel and the receiving groove of the other panel can be made.
  • the locking hook usually rests on a surface defined by the surface of the room and is supported by the surface. However, it was recognized that the locking hook in the transition to the panel body is at risk of breaking. It is assumed that when producing the tongue-and-groove connection between the locking hook of the panel and the receiving groove of the further panel, the locking hook is at least at the last latching area at the end of the pivoting movement of the further panel due to the slightly angled orientation of the further panel to the ground something can lift off the surface and can therefore be bent elastically relative to the panel body, which can lead to damage in the transition area between the locking hook and the panel body if the locking hook is bent too much.
  • the locking hook does not form a right angle to the front base plane on the short side of the panel body, but rather an obtuse angle, notch effects in the transition of the locking hook, which is in particular designed in one piece with the panel body, can at least be reduced.
  • This increases the flexibility and elasticity of the connection of the locking hook to the panel body, so that the locking hook can be bent to a greater extent around a bending axis running essentially in the transverse direction compared to a right-angled protrusion from the panel body without breaking or causing other damage experience.
  • the front base plane can be aligned at an angle to a plane spanned by the thickness direction and the transverse direction and In particular, this plane must be aligned at least partially tilted about a tilting axis running in the transverse direction.
  • improved breaking strength is achieved by increasing the elasticity in the area of the point at risk of breakage. This takes advantage of the knowledge that the locking hook can be clamped in the assembled state between the surface of the room to be laminated and the other panel, so that increased bendability does not have a detrimental effect on the functional use. Due to the obtuse angle between the locking hook and the front base plane of the panel body, the breaking strength of the locking hook under bending load is improved, so that a panel that can be connected in a break-proof manner is possible.
  • the front base plane can be aligned at an angle to a plane spanned by the thickness direction and the transverse direction, the distance that a liquid would have to flow from the top of the panel body to the locking hook and to the underside of the panel body can be compared to one in the The front base plane lying in the thickness direction and the transverse direction plane can be extended. This at least reduces the risk of liquid getting to the underside of the panel body, remaining there and encouraging the formation of mold.
  • the front side of the panel body should be designed as a flat surface on the short side of the panel body, the front side coincides with the front base plane.
  • the front side of the panel body can initially be designed to be flat and only be made deliberately uneven in a later shaping step, so that the front base plane would correspond to the front side before the shaping step.
  • the end face is designed to be uneven only in partial areas, the remaining flat partial areas, at least in the vicinity of the locking hook, correspond to corresponding partial areas of the front base plane.
  • the front base plane can be defined by a center line of the section of the panel body viewed in the transverse direction, from which the elevations and depressions of the uneven front side protrude, with the proviso that the sum of the cross-sectional areas viewed in the transverse direction of the elevations corresponds to the sum of the cross-sectional areas of the depressions viewed in the transverse direction.
  • the panel body can have a core based on a wood material, which can be provided with a decorative layer, in particular on the top side facing away from the substrate.
  • the decorative layer can in particular be made from a harder and/or more resistant material compared to the core and/or be provided with a, preferably substantially transparent and/or translucent, protective layer.
  • the decorative layer can easily withstand mechanical loads but also other stresses, such as those caused by moisture and/or cleaning agents, while the core, which is softer than the decorative layer, can dampen vibrations, in particular structure-borne noise.
  • the bottom of the panel body can be placed directly on rest on the surface of the room to be covered.
  • the panel body can be supported indirectly on the surface of the room, for example via an anti-slip film and/or anti-squeak film arranged between the underside of the panel body and the surface of the room.
  • the panel can be connected via spacers.
  • the locking hook can protrude from the panel body with a web running in the longitudinal direction, at the free end of which a material thickening is formed, which can hook into the receiving groove of the further panel in a form-fitting manner.
  • the material thickening can be guided past the spring body when producing the tongue-and-groove connection with the other panel.
  • the material thickening of the locking hook can slide along the material of the spring body, so that the material thickening of the locking hook can snap into the receiving groove of the further panel when the designated end position for the tongue-groove connection is reached.
  • the panel and the further panel are essentially designed identically to one another, so that the explanations for the panel can also apply to the further panel and the explanations for the further panel can also apply analogously to the panel, with the locking hook and The receiving groove is provided on the other short side.
  • the flow safety of the panel can be measured by filling a liquid, in particular water, with a predefined specific volume into a vessel that is open at the bottom and top, so that a defined level is created for the liquid in the vessel with a resulting defined hydrostatic pressure results.
  • the vessel filled with the liquid is placed in the middle of a panel that is locked together on the top sides of the two panels.
  • the level of liquid remaining in the vessel after a predefined specific time is a measure of the flow security against penetration of the liquid into the joint that forms between the panels that are locked together.
  • the obtuse angle formed between the locking hook and the front base plane is essentially the same size in each cutting plane along the transverse direction, the panel can be produced particularly easily and inexpensively.
  • the front base plane is preferably additionally designed to be beveled about an axis running in the thickness direction. The distance for penetrating liquid is thereby further extended, which further improves flow safety. It is also possible to adapt the bendability of the locking hook in the transverse direction to the forces that occur during locking with the other panel.
  • the further panel can be pivoted from an inclined position towards the surface of the floor in order to establish the tongue-and-groove connection between the locking hook and the receiving groove, so that load profiles change in the transverse direction during the pivoting movement on the locking hooks.
  • the obtuse angle between the locking hook and the frontal base plane at the beginning of the pivoting movement of the further profile, in particular on the side facing the long side with the bung attachment can be smaller than at the end of the pivoting movement of the further profile, in particular on the side facing the long side with the side facing the bung groove.
  • the locking hook can be more immovable and brittle at the beginning of the pivoting movement of the further panel that takes place to produce the tongue-groove connection, in order to make it easier to thread the locking hook, which is already jammed between the surface of the room and the further panel, into the receiving groove, while At the end of the pivoting movement, the flexibility of the locking hook increases, although the risk of the locking hook lifting off from the surface of the room also increases.
  • the frontal base plane can be aligned rotated about an axis running in the thickness direction in comparison to an orientation of the frontal base plane in which the obtuse angle remains constant in the transverse direction.
  • the front base plane can be tilted around two axes to form a right-angled arrangement, on the top side facing the interior of the room to be clad, several interconnected, identically shaped panels can only be seen at right angles to one another, if at all, so that a visual impairment of a laying pattern is avoided by visible edges that are slanted towards one another.
  • the front edge of the panel body can be deliberately beveled to the longitudinal direction by a corresponding beveled course of the front base plane, for example in order to form visible edges that run parallel and/or perpendicular to the bevel when cladding a side wall of a room adjoining a bevel.
  • a support surface of the locking hook facing the further panel merges into the front side via a curve.
  • a sharp-edged transition between the locking hook and the front side of the panel body is avoided, which means that notch effects are at least reduced.
  • the obtuse angle exceeding 90° between the locking hook and the frontal base plane is maintained in that the curve has an extension over an angular range of less than ⁇ /2 between the support surface and the frontal base plane and thereby forms a correspondingly flatter transition.
  • the rounding can be part of a circular arc, with a surface normal of an associated imaginary circle in particular essentially or at least largely pointing in the transverse direction.
  • the curve is part of an arc of an ellipse or is irregularly rounded.
  • the curve forms part of a receiving pocket extending from the front base plane for receiving a protruding locking bump of the further panel.
  • the receiving pocket can extend from the forehead base plane in the proximal direction, i.e. towards the center of gravity of the panel body, while the locking bump in distal direction, i.e. directed away from the center of gravity of the panel body, protrudes from the base plane of the forehead.
  • the receiving pocket and/or the locking bump can be formed from the core of the respective panel body.
  • the receiving pocket is delimited by a wooden material and/or the locking bump is formed by a wooden material.
  • the locking bump and the receiving pocket are therefore made of a rather soft material, especially in comparison to a decorative layer of the panel body, so that the locking bump can be pressed into the receiving pocket when producing the tongue-and-groove connection between the locking hook and the receiving groove.
  • the locking bump and/or the receiving pocket deform elastically and/or plastically so that the locking bump can engage in the receiving pocket in the designated end position.
  • the locking bump is pressed onto the receiving pocket, with elastic and/or plastic deformation of the locking bump and/or the receiving pocket being permitted in the pressed state.
  • the distance for penetrating liquid is further extended by the locking bump that engages in the receiving pocket, which further improves the flow safety.
  • the locking bump inserted into the receiving pocket can form at least one labyrinth seal together with the receiving pocket, whereby the penetration of liquid and/or moisture into a joint remaining between the panels that are locked together can be avoided.
  • the locking of the panels to one another can therefore be designed to be essentially watertight.
  • a suitable design of the receiving pocket and the locking bump is in WO 2006/133690 A1 described, the relevant content of which is hereby referred to as part of the invention.
  • a center line of a cutting plane of the receiving pocket and/or the locking bump viewed in the transverse direction can be aligned perpendicular to the orientation of the beveled front base plane or substantially in the longitudinal direction of the panel body.
  • the curve formed between the locking hook and the end face can extend beyond the level of the base plane of the forehead in the proximal direction and at the same time form an edge of the receiving pocket.
  • the receiving pocket can therefore be connected directly to the locking hook. This makes it possible at the remaining height of the front side To provide a particularly large number of receiving pockets and/or locking bumps in the thickness direction, which can improve the sealing effect.
  • the particularly elongated curve improves the bendability and breaking strength of the locking hook, so that a panel with a good sealing effect and good breaking strength is possible.
  • the front side has at least three receiving pockets extending from the front base plane for receiving a protruding locking bump of the further panel, in particular the front side has at least two locking bumps projecting from the front base plane for engaging in each corresponding receiving pocket of the further panel. Due to the slanted alignment of the front base plane, the total area of the front side can be increased for a given thickness of the panel body. This makes it possible to increase the number of receiving pockets and/or locking humps. For example, three receiving pockets with two locking humps provided between them are provided on the front side of the panel body with the locking hook.
  • the front side has receiving pockets arranged alternately in the thickness direction, extending from the front base plane for receiving a protruding locking hump of the further panel and locking bumps projecting from the front base plane for engaging in each corresponding receiving pocket of the further panel, the receiving pockets being in at least one sectional plane in the transverse direction the locking bumps pass directly, in particular only via a turning point of a sectional profile of the end face located in the base plane of the forehead.
  • the receiving pockets and the locking bumps can oscillate around the forehead base plane as a center line, preferably with the same amplitude.
  • the alignment of the front base plane can be determined by the turning points of the course of the front side lying in an imaginary straight line in the cutting plane viewed in the transverse direction being found.
  • the turning points arise in the seamless transition between the receiving pocket and the resting bump. Due to the wavy course of the end face in the thickness direction, which is provided in particular over the entire extent of the locking hook and an edge-smoothing chamfer, a particularly large number of receiving pockets and locking bumps can be formed, whereby a waterproof and/or leak-proof seal is achieved on the end faces of the panels and/ or can be improved.
  • Such a bevel of the front base plane can lead to sufficient bendability of the locking hook and at the same time is still easy to manufacture.
  • a spring body protruding from the panel body in the longitudinal direction is provided for receiving, in particular without play, a locking hook of a further panel which can be locked in a receiving groove formed with the aid of the spring body and / or the panel body, with a spring end face base plane pointing away from the panel body facing a spring end face of the spring body Thickness direction runs beveled to form an acute angle with a contact surface of the spring body facing the locking hook.
  • the spring body and the spring frontal base plane can be designed to correspond to the locking hook and the frontal base plane. This means that identically designed panels can be locked together one behind the other in the longitudinal direction.
  • the design of the panel on the short side with the spring body which corresponds to the design of the panel on the short side with the locking hook described above, represents an independent invention based on the same inventive idea.
  • a further embodiment of the invention relates to a panel for covering a surface of a room, with a panel body extending in a longitudinal direction and a transverse direction for removing on an upper side of the panel body introduced use loads to an underside of the panel body facing the surface of the room, the upper side being spaced apart from the underside in a thickness direction, and a spring body projecting from the panel body in the longitudinal direction for, in particular play-free, receiving a in one with the help of the spring body and / or of the panel body formed receiving groove lockable locking hook of a further panel, wherein a spring end face plane of a spring end face of the spring body pointing away from the panel body is beveled to the thickness direction to form an acute angle with a contact surface of the spring body facing the locking hook, the acute angle between the spring body and the spring end face plane in the transverse direction changes with a constant gradient.
  • the panel can be designed and further developed in the area of the spring body as described above, in particular the area of the spring body can be designed in the area of the locking hook in a manner corresponding to the previously developed and further developed panel.
  • the above statements regarding the panel in the area of the locking hook can apply analogously to the design of the panel in the area of the spring body. Due to the acute angle between the spring body and the spring end face plane of the panel body, the breaking strength of the spring body and / or the locking hook interacting with the spring body is improved under bending load, so that a panel that can be connected in a break-proof manner is possible. In addition, the distance for penetrating liquid is further extended, which further improves flow safety.
  • the acute angle between the spring body and the spring end face plane of the panel body makes it possible to create a leak-proof and unbreakable panel.
  • the contact surface can in particular rest on a web of the locking hook that connects a material thickening of the locking hook to the panel body or can be spaced from the web via the smallest possible air gap.
  • the material thickening of the locking hook can slide off the contact surface of the spring body in order to snap into the receiving groove.
  • the receiving groove is in particular through a material taper of the spring body and a part of the end face of the panel body, from which the spring body extends in the longitudinal direction distal direction, limited.
  • the spring frontal base plane can be aligned at an angle to a plane spanned by the thickness direction and the transverse direction and in particular can be aligned at least partially tilted relative to this plane about a tilting axis running in the transverse direction.
  • the contact surface of the spring body merges into the spring end face via a counter-rounding.
  • a sharp-edged transition between the spring body and the end face of the panel body is avoided, which means that notch effects are at least reduced.
  • a large acute angle of 90° between the contact surface of the spring body and the spring end face plane is maintained in that the counter-rounding also has an extension over an angular range of less than ⁇ /2 between the contact surface of the spring body and the spring end face plane and forms a correspondingly flatter transition.
  • the counter-rounding can be part of a circular arc, with a surface normal of an associated imaginary circle pointing in particular essentially or at least to a large extent in the transverse direction.
  • the counter-rounding is part of an arc of an ellipse or is irregularly rounded.
  • the counter-rounding can nestle flatly against the rounding formed between the locking hook and the front side of another panel, preferably with a clearance fit.
  • the counter-rounding forms part of a locking bump projecting from the spring frontal plane for engaging in a corresponding receiving pocket of the further panel.
  • a center line of a sectional plane of the receiving pocket and/or the locking bump viewed in the transverse direction can be aligned perpendicular to the orientation of the beveled spring end face plane or substantially in the longitudinal direction of the panel body.
  • the counter-rounding formed between the spring body and the end face can extend beyond the level of the spring end face plane in the distal direction and at the same time form an edge of the locking bump. This can cause the resting hump to move Connect directly to the contact surface of the spring body. This makes it possible to provide a particularly large number of receiving pockets and/or locking bumps on the remaining height of the end face in the thickness direction, whereby the sealing effect can be improved.
  • the spring front side has at least three locking humps projecting from the spring front base plane for engaging in a corresponding receiving pocket of the further panel, in particular having at least two receiving pockets extending from the spring front base plane for receiving one protruding locking bump of the further panel. Due to the slanted alignment of the spring front base plane, the total area of the front side can be increased for a given thickness of the panel body. This makes it possible to increase the number of receiving pockets and/or locking humps. For example, three locking humps with two receiving pockets provided between them are provided on the front side of the panel body with the spring body.
  • the spring front side has receiving pockets arranged alternately in the thickness direction from the spring front base plane for receiving a protruding locking bump of the further panel and locking bumps projecting from the spring front base plane for engaging in each corresponding receiving pocket of the further panel, the receiving pockets in at least one sectional plane in the transverse direction the locking bumps pass directly, in particular only via a turning point of a sectional profile of the spring face located in the spring face base plane.
  • the receiving pockets and the locking bumps can oscillate around the spring frontal plane as a center line, preferably with the same amplitude.
  • the alignment of the spring face base plane can be determined by the turning points of the course of the spring face in the transverse direction, which lie in an imaginary straight line Cutting plane can be found. The turning points arise in the seamless transition between the receiving pocket and the resting bump.
  • Such a bevel of the spring face base plane can lead to sufficient bendability of the locking hook of the other panel and at the same time is still easy to manufacture.
  • the receiving groove has a first clamping surface and a second clamping surface, in particular running essentially parallel to the first clamping surface, for clamping the locking hook without play, the first clamping surface being connected to the second clamping surface via an arcuate surface, in particular extending at a distance from the locking hook.
  • a material thickening of the locking hook can be inserted into the receiving groove with a press fit between the clamping surfaces.
  • the curved surface allows sufficient play to be achieved between the material thickening of the locking hook and the material tapering of the spring body.
  • the material taper of the spring body enables an elastic bending of the spring body in order to allow the locking hook to snap and lock into the receiving groove, comparable to a clip connection.
  • the spring end face has an overlap approach projecting from the spring end face base plane to cover a joint which forms between the spring end face and the end face of the locked further panel and extends between the overlap approach and the locking hook of the further panel.
  • a joint can form between the respective end faces, i.e. the spring end face of one panel and the end face of the other panel.
  • the overlap approach allows this joint to be covered, improving the visual appearance. A dark or shadowy edge between the interlocked panels can thereby be avoided or at least less pronounced.
  • the overlap approach can form a further baffle in the manner of a labyrinth seal, which can further improve the security against penetration of liquid into the joint and onto the underside of the panel.
  • the panel body has a core and a decorative layer forming the top and connected to the core, the core and the decorative layer being made of different materials, the overlap approach being at least partially, in particular completely, formed by the decorative layer.
  • the surface of the overlap approach facing away from the underside of the panel body can thereby be formed by the decorative layer and continue the visual appearance of the decorative layer across the joint. This makes it possible, for example, to produce the core from a particularly durable material, without the choice of material for the core being restricted by requirements regarding the optical effect. If there is a color change between the core and the decorative layer, this should be covered and concealed by the overlap approach so that the color change no longer occurs is visible.
  • a change in the visual appearance between the decorative layer with the overlap approach and the decorative layer of the further panel can be essentially avoided or significantly reduced in comparison to a change in the visual appearance between the decorative layer and the core.
  • the overlap approach is designed in such a way that the overlap approach is pressed against the further panel with a contact pressure when the panel is in a locked state with the further panel.
  • the protruding overlap approach can be bent somewhat, comparable to a spiral spring, when the panel is locked with the further panel, so that the overlap approach with a spring force resulting from the elastic bending with a contact force on the further panel, in particular on the decorative layer and / or on the front side of the other panel, can rest pressed.
  • a gap between the overlap approach and the further panel can be avoided or at least reduced, resulting in a good, in particular almost seamless, visual appearance.
  • the overlap approach is designed in such a way that the overlap approach forms a lip seal when the panel is in a locked state with the further panel.
  • the lip seal formed between the overlap approach and the further panel can in particular be designed to be contacting or non-contacting.
  • the overlap approach can in particular extend over the entire extent of the panel in the transverse direction or slightly less.
  • the overlap approach can preferably rest against the further panel over its entire extent in the transverse direction of the panel, in particular in a substantially linear manner, and thereby form a contacting lip seal.
  • the sealing effect of the lip seal can be dimensioned such that liquids, in particular water, are retained or the passage of this liquid is at least significantly delayed. The throughput reliability is thereby further improved.
  • Panel 10 shown can be used in particular to cover a surface of a room.
  • the panel 10 has a panel body 12 based on a cuboid shape, which has long sides running in the longitudinal direction 14 and short sides running in the transverse direction as well as a thickness running in the thickness direction 16.
  • the long sides and the short sides delimit an upper side 18 and a lower side 20 of the panel body 12, which are spaced apart from one another over the thickness of the panel body 12 and in particular run parallel to one another.
  • a locking hook 22 formed integrally with the panel body 12 projects in the longitudinal direction 14 from the short side of the panel body 12, the locking hook 12 having a material thickening 26 spaced apart from the panel body 12 via a web 24.
  • An underside of the locking hook 22, which faces away from the material thickening 26 in the thickness direction can be connected without a step to the underside 20 of the panel body 12 and merge into it.
  • the web 28 of the locking hook 22 is adjoined by an end face 30 on the short side of the panel body 12, which in the exemplary embodiment shown is irregularly shaped in order to increase the security against penetration of liquid.
  • the end face 30 has receiving pockets 32 and locking bumps 34 arranged alternately in the thickness direction. Im in Fig. 1 In the exemplary embodiment shown, three receiving pockets 32 and two locking bumps 34 are provided, which merge into one another essentially without a step and without a plateau formed in between, which results in a corrugated cross-sectional profile for the end face 30.
  • the end face 30 ends near the top 18 of the panel body 12 at an edge-smoothing chamfer 36 and merges into a support surface 39 of the web 28 via a curve 38 in the area where the locking hook 22 is connected. The curve 38 simultaneously forms part of the receiving pocket 32 adjoining the locking hook 22.
  • the cross-sectional profile of the end face 30 can oscillate about a center line which defines a face base plane 40 for the end face 30. If the front side 30 had no receiving pockets 32 and no locking bumps 24, the front side 30 would coincide with the front base plane 40.
  • the alignment of the frontal base plane 40 can be determined by the turning points of the cross-sectional profile of the frontal side 30 which form in the transition between the successive receiving pockets 32 and locking bumps 34 and which lie in the frontal base plane 40.
  • the front base plane 40 is not aligned perpendicular to the top 18 and the bottom 20, but is aligned somewhat obliquely to the thickness direction 16, so that an obtuse angle ⁇ of over 90 ° is formed between the web 28 of the locking hook 24 and the front base plane 40. Due to the obtuse angle ⁇ and the curve 38 having an arc length of less than ⁇ /2, notch effects can be reduced and a bending elasticity of the locking hook 24 can be increased, whereby the risk of mechanical damage to the locking hook 24 can be reduced.
  • the panel 10 can be designed correspondingly on the opposite short side, so that essentially identically designed panels 10 can be locked to one another on the front side via a tongue-and-groove connection.
  • a spring body 42 which can be elastically bent away from the locking hook 26 of another panel 10, can protrude from the panel body 12 in the longitudinal direction and which forms a receiving groove 44 for receiving the material thickening 26 of the locking hook 24 between the panel body 12 and the spring body 42 formed in one piece with the panel body 12.
  • the receiving groove 44 can be limited in the longitudinal direction 14 on one side by a first clamping surface 46 of the panel body 12 and on the other side by a second clamping surface 48 of the spring body 42, the material thickening 26 of the locking hook 24 in particular with a press fit between the clamping surfaces 46, 48 can be jammed.
  • the clamping surfaces 46, 48 can be connected to one another via an arcuate surface 50 of the spring body 42 which runs at a distance from the material thickening 26 inserted in the receiving groove 44.
  • the spring body 42 can have a contact surface 52 facing the support surface 39 of the web 28 of the locking hook 24, which can form a stop acting in the thickness direction 16 for the tongue-and-groove connection formed by the locking hook 24 inserted into the receiving groove 42. In the fully locked state, play can be provided between the contact surface 52 of the spring body 42 and the support surface 39 of the web 28 of the locking hook 24.
  • the spring body 42 has a spring end face 54 facing the end face 30 of the panel body 12, which is also irregularly shaped.
  • the spring end face 54 has receiving pockets 32 and locking bumps 34 arranged alternately in the thickness direction, in which in Fig. 2 In the exemplary embodiment shown, two receiving pockets 32 and three locking bumps 34 are provided, which merge into one another essentially without a step and without a plateau formed in between.
  • the spring end face 54 also ends near the top 18 of the panel body 12 at an edge-smoothing chamfer 36 and merges into the contact surface 52 via a counter-rounding 56.
  • the cross-sectional profile of the spring end face 54 can oscillate about a center line which defines a spring end face base plane 58 for the spring end face 54. If the spring end face 54 had no receiving pockets 32 and no locking bumps 24, the spring end face 54 would coincide with the spring end face base plane 58.
  • the orientation of the spring end face plane 58 can be determined by the turning points of the cross-sectional profile of the spring end face 54 which form in the transition between the successive receiving pockets 32 and locking bumps 34 and which lie in the spring end face plane 58.
  • the spring front base plane 58 is not aligned perpendicular to the top 18 and the bottom 20, but is aligned somewhat obliquely to the thickness direction 16, so that an acute angle ⁇ of less than 90 ° is formed between the contact surface 52 and the spring front base plane 40.
  • the angle ⁇ and the angle ⁇ complement each other to form 180 °, so that the frontal base plane 40 of one panel coincides with the spring frontal base plane 40 of the other panel 10.
  • the receiving pockets 32 and locking bumps 34 of the end face 30 and the spring end face 54, each interacting with one another, can engage with one another in an elastically and/or plastically deformed manner and achieve a watertight seal.
  • Panels 10 shown correspond completely to those in Fig. 3 panels 10 shown with the exception that the panel 10 shown on the left side has a protruding overlap projection 60 on its spring end face 54, which in Fig. 6 is shown in detail.
  • the overlap approach 60 can be formed in particular at the distal lower end of the chamfer 36.
  • the chamfer 36 merges seamlessly into a surface of the overlap projection 60.
  • the overlap approach 60 can extend slightly over the further panel 10 and thereby cover a joint 62 formed between the spring end face 54 of the panel 10 and the end face 30 of the further panel 10.
  • Fig. 4 Panels 10 shown correspond completely to those in Fig. 3 panels 10 shown with the exception that the panel 10 shown on the left side has a protruding overlap projection 60 on its spring end face 54, which in Fig. 6 is shown in detail.
  • the overlap approach 60 can be formed in particular at the distal lower end of the chamfer 36.
  • the chamfer 36 merges seamlessly into a surface of the overlap projection 60.
  • the overlap approach 60 can be on the further panel 10, in particular on the chamfer 36 of the further panel 10 be pressed and form a lip seal.
  • the overlap approach 60 and the chamfer 36 that may be provided can in particular be part of a decorative layer applied to a core of the panel body 12, so that the overlap approach 60 can also hide a color change taking place in the joint 62 between the decorative layer and the core.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Claims (15)

  1. Panneau de revêtement d'une surface d'une pièce, pourvu
    d'un corps de panneau (12) s'étendant dans une direction longitudinale (14) et une direction transversale permettant d'enlever des charges de service engagées sur une face supérieure (18) du corps de panneau (12) vers une face inférieure (20) du corps de panneau (12) orientée vers la surface de la pièce, où la face supérieure (18) est espacée par rapport à la face inférieure (20) dans une direction d'épaisseur, et
    d'un crochet de butée (24) dépassant du corps de panneau (12) en direction longitudinale (14) permettant le verrouillage d'un autre panneau (10) dans une rainurede réception (44),
    dans lequel un plan de base frontal (40) d'une face frontale (30) du corps de panneau (12) s'éloignant du crochet de butée (24) s'étend incliné par rapport à la direction d'épaisseur (16) moyennant la formation d'un angle obtus avec le crochet de butée (24),
    caractérisé en ce que
    l'angle obtus se modifie avec une croissance continue dans la direction transversale entre le crochet de butée (24) et le plan de base frontal (40).
  2. Panneau selon la revendication 1, caractérisé en ce que le plan de base frontal (40) est orienté en étant tourné autour d'un axe s'étendant dans la direction de l'épaisseur (16) comparativement à une orientation du plan de base frontal (40) dans laquelle l'angle obtus reste le même constamment dans la direction transversale.
  3. Panneau selon la revendication 1 ou la revendication 2, caractérisé en ce qu'une surface d'appui (39) du crochet de butée (24) orientée vers l'autre panneau (10) dépasse par-dessus un arrondi (38) dans la face frontale (30).
  4. Panneau selon la revendication 3, caractérisé en ce que l'arrondi (38) forme une partie d'une poche de réception (32) partant du plan de base frontal (40) pour la réception d'une bosse de butée (34) faisant saillie de l'autre panneau (10).
  5. Panneau selon l'une des revendications 1 à 4, caractérisé en ce que la face frontale (30) présente au moins trois parmi les poches de réception (32) partant du plan de base frontal (40) pour la réception, respectivement, d'une bosse de butée (34) faisant saillie de l'autre panneau (10), où, en particulier, la face frontale (30) présente au moins deux des bosses de butée (34) dépassant du plan de base frontal (40), permettant un encliquetage dans respectivement une poche de réception (32) correspondante de l'autre panneau.
  6. Panneau selon l'une des revendications 1 à 5, caractérisé en ce que la face frontale (30) présente dans la direction de l'épaisseur (16) des poches de réception (32) disposées alternativement faisant saillie à partir du plan de base frontal (40) pour la réception, respectivement, d'une bosse de butée (34) dépassant de l'autre panneau (10) et de la bosse de butée (34) dépassant du plan de base frontal (40), permettant l'encliquetage dans, respectivement, une poche de réception (32) correspondante de l'autre panneau (10), où dans au moins un plan frontal, en direction transversale, les poches de réception (32) passent par-dessus directement dans les bosses de butée (34), en particulier, simplement par-dessus un point d'inflexion d'un profil en coupe de la face frontale (30) situé dans le plan de base frontal (40).
  7. Panneau selon l'une des revendications 1 à 6, caractérisé en ce que, pour l'angle obtus α, on a 90 ° < α ≤ 115 °, en particulier, 91 ° ≤ α ≤ 105 °, de préférence 92 ° ≤ α ≤ 100 °, et de manière particulièrement préférée α = 95 ° ± 2 °.
  8. Panneau selon l'une des revendications 1 à 7, caractérisé en ce qu'un corps de ressort (42) dépassant en direction longitudinale (14) du corps de panneau (12) est prévu pour la réception, notamment sans jeu, d'un crochet de butée (24) d'un autre panneau (10) pouvant se verrouiller dans une rainure de réception (50) formée à l'aide à l'aide du corps de ressort (42) et/ou du corps de panneau (12), où un plan de base frontal de ressort (58) orienté en partant du corps de panneau (12) d'une face frontale de ressort (54) du corps de ressort (42) s'étend de manière inclinée par rapport à la direction d'épaisseur (16) moyennant la formation d'un angle aigu avec une surface d'appui (52) du corps de ressort (42) orientée vers le crochet de butée (24).
  9. Panneau de revêtement d'une surface d'une pièce, pourvu
    d'un corps de panneau (12) s'étendant dans une direction longitudinale (14) et une direction transversale permettant d'enlever des charges de service engagées sur une face supérieure (18) du corps de panneau (12) vers une face inférieure (20) du corps de panneau (12) orientée vers la surface de la pièce, où la face supérieure (18) est espacée par rapport à la face inférieure (20) dans une direction d'épaisseur (16), et
    d'un corps de ressort (42) dépassant du corps de panneau (12) en direction longitudinale (14) pour la réception, en particulier sans jeu, d'un crochet de butée (24) d'un autre panneau (10) pouvant être verrouillé dans une rainure de réception (44) formée à l'aide du corps de ressort (42) et/ou du corps de panneau (12),
    dans lequel un plan de base frontal de ressort (58) orienté en s'éloignant du corps de panneau (12) d'une face frontale de ressort (54) du corps de ressort (42) s'étend incliné par rapport à la direction de l'épaisseur (16) moyennant la formation d'un angle aigu avec une surface d'appui (52) du corps de ressort (42) orientée vers le crochet de butée (24),
    caractérisé en ce que
    l'angle aigu entre le corps de ressort (42) et le plan de base frontal de ressort (58) se modifie en direction transversale avec une croissance constante.
  10. Panneau selon la revendication 8 ou la revendication 9, caractérisé en ce que la surface d'appui (52) du corps de ressort (42) dépasse par-dessus un arrondi complémentaire (56) dans la face frontale de ressort (54).
  11. Panneau selon l'une des revendications 8 à 10, caractérisé en ce qu'en ce qui concerne l'angle aigu β, on a 65 ° ≤ β < 90 °, en particulier 75 ° ≤ β ≤ 89 °, de préférence, 75 ° ≤ β ≤ 88 °, et de manière particulièrement préférée β = 85 ° ± 2 °.
  12. Panneau selon l'une des revendications 8 à 11, caractérisé en ce que la face frontale de ressort (54) présente un pédoncule de superposition (60) dépassant du plan de base frontal de ressort (58) permettant le recouvrement d'un espace (62) se formant entre la face frontale de ressort (54) et la face frontale (30) de l'autre panneau (10) verrouillé et s'étendant entre le pédoncule de superposition (60) et le crochet de butée (24) de l'autre panneau (10).
  13. Panneau selon la revendication 12, caractérisé en ce que le corps de panneau (12) présente une partie centrale et une couche de décoration formant la face supérieure (18) et reliée avec la partie centrale, où la partie centrale et la couche de décoration sont fabriquées à partir de divers matériaux, où le pédoncule de superposition (60) est formé au moins partiellement, notamment totalement, par la couche de décoration.
  14. Panneau selon la revendication 12 ou la revendication 13, caractérisé en ce que le pédoncule de superposition (60) est conçu de telle manière que le pédoncule de superposition (60) est pressé avec une force de pression sur l'autre panneau (10) dans un état du panneau (10) verrouillé avec l'autre panneau (10).
  15. Panneau selon l'une des revendications 12 à 14, caractérisé en ce que le pédoncule de superposition (60) est conçu de telle manière que le pédoncule de superposition (60) forme un joint à lèvres dans un état du panneau (10) verrouillé avec l'autre panneau (10).
EP20207229.4A 2020-11-12 2020-11-12 Panneau avec prévention de passage contre la pénétration de liquide Active EP4001545B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL20207229.4T PL4001545T3 (pl) 2020-11-12 2020-11-12 Panel z zabezpieczeniem przepływowym przed przedostawaniem się cieczy
EP20207229.4A EP4001545B1 (fr) 2020-11-12 2020-11-12 Panneau avec prévention de passage contre la pénétration de liquide
MX2023005210A MX2023005210A (es) 2020-11-12 2021-11-11 Panel resistente a filtraciones.
EP21810348.9A EP4244446A1 (fr) 2020-11-12 2021-11-11 Panneau étanche
CA3194923A CA3194923A1 (fr) 2020-11-12 2021-11-11 Panneau etanche
US18/030,544 US20230374793A1 (en) 2020-11-12 2021-11-11 Seep-resistant panel
CN202180067454.9A CN116324101A (zh) 2020-11-12 2021-11-11 抗渗漏面板
PCT/EP2021/081333 WO2022101318A1 (fr) 2020-11-12 2021-11-11 Panneau étanche
KR1020237013913A KR20230071180A (ko) 2020-11-12 2021-11-11 시프-저항성 패널

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20207229.4A EP4001545B1 (fr) 2020-11-12 2020-11-12 Panneau avec prévention de passage contre la pénétration de liquide

Publications (2)

Publication Number Publication Date
EP4001545A1 EP4001545A1 (fr) 2022-05-25
EP4001545B1 true EP4001545B1 (fr) 2023-12-27

Family

ID=73401413

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20207229.4A Active EP4001545B1 (fr) 2020-11-12 2020-11-12 Panneau avec prévention de passage contre la pénétration de liquide
EP21810348.9A Pending EP4244446A1 (fr) 2020-11-12 2021-11-11 Panneau étanche

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP21810348.9A Pending EP4244446A1 (fr) 2020-11-12 2021-11-11 Panneau étanche

Country Status (8)

Country Link
US (1) US20230374793A1 (fr)
EP (2) EP4001545B1 (fr)
KR (1) KR20230071180A (fr)
CN (1) CN116324101A (fr)
CA (1) CA3194923A1 (fr)
MX (1) MX2023005210A (fr)
PL (1) PL4001545T3 (fr)
WO (1) WO2022101318A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0300642D0 (sv) * 2003-03-11 2003-03-11 Pergo Europ Ab Process for sealing a joint
DE102005028072B4 (de) 2005-06-16 2010-12-30 Akzenta Paneele + Profile Gmbh Fußbodenpaneel
DE202019101807U1 (de) * 2019-03-29 2019-05-06 Akzenta Paneele + Profile Gmbh Paneel

Also Published As

Publication number Publication date
MX2023005210A (es) 2023-05-16
KR20230071180A (ko) 2023-05-23
PL4001545T3 (pl) 2024-06-24
CA3194923A1 (fr) 2022-05-19
WO2022101318A1 (fr) 2022-05-19
CN116324101A (zh) 2023-06-23
US20230374793A1 (en) 2023-11-23
EP4244446A1 (fr) 2023-09-20
EP4001545A1 (fr) 2022-05-25

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