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WO2008083662A1 - Panneau et revêtement de sol - Google Patents

Panneau et revêtement de sol Download PDF

Info

Publication number
WO2008083662A1
WO2008083662A1 PCT/DE2008/000008 DE2008000008W WO2008083662A1 WO 2008083662 A1 WO2008083662 A1 WO 2008083662A1 DE 2008000008 W DE2008000008 W DE 2008000008W WO 2008083662 A1 WO2008083662 A1 WO 2008083662A1
Authority
WO
WIPO (PCT)
Prior art keywords
hook
panel
guide
joining
vertical locking
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.)
Ceased
Application number
PCT/DE2008/000008
Other languages
German (de)
English (en)
Inventor
Hans-Jürgen HANNIG
Erich SCHÄFERS
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
Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Publication of WO2008083662A1 publication Critical patent/WO2008083662A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • 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
    • 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
    • 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
    • E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape

Definitions

  • the invention relates to a panel according to the features of the preamble of claim 1.
  • the invention further relates to a floor covering, which is composed of a plurality of inventive panels
  • the edges of a panel are arranged relative to one another such that opposite edges run parallel to one another and the edges arranged parallel to one another each form a first or a second edge pair with an edge of a similar panel.
  • Known panels of the type mentioned are known from WO 03/016654 A1 as well as from WO 2006/043893 A1.
  • a vertical locking element is provided in an edge pair, which is to prevent functionally a release of the hook elements against the joining movement in which the hook pair has been connected to each other.
  • the joining movement is consuming in two steps. First, the panel to be attached engages in a gravity and / or lowering over an already laid panel, the blocking area is automatically moved out of the Fügeweg. In a further step, the panel to be attached is pressed under force introduction with a force component perpendicular to the joining movement against the edge of the already laid panel, wherein the vertical locking element is automatically moved by spring action back into the Fügeweg.
  • the invention is therefore based on the object to provide a panel of the type mentioned, which are easier to connect.
  • a joining movement is understood without interruption by a continuous joining movement by the guide on the joining path at the latest when, in order to effect an automatic moving out of the vertical locking element from the Fügeweg, the second hook element, ie the hook element without blocking element, in force-effective contact with the vertical locking element comes.
  • the hook elements can be moved apart during the joining movement into a movement component such that they overlap over a small area in the panel plane, rest on one another and a gap occurs between the edges to be joined, the edges still have a slight height offset.
  • the gap must be closed in a second movement step by means of an additional relative movement of the edges to each other by a force is introduced having a sufficiently large force component in the closing direction of the edges.
  • the edges can be guided completely against each other in a continuous joining movement into the hooked state of the hook elements, in which the useful surfaces of both assembled panels adjoin one another without transition.
  • the edge of the first edge pair of the panel and that of the second edge pair of the panel can form a common corner, preferably at an angle of Include 90 °.
  • Both hook elements of the first edge pair may each have a separate blocking element.
  • the two blocking elements can also protrude here each with a blocking area in the Fügeweg the hook elements.
  • the two vertical locking elements can automatically be moved out of the joining path in order to release them and, in the hooked state of the hook elements, be automatically moved back into the joining path and against each other by spring action.
  • the guide in the joining movement over the Fügeweg from or at least from the first guide position of the hook elements, in which the two vertical locking elements have come together for effective engagement, or from the upstream in joining movement to the first guide position or front second guide position guidance.
  • the two vertical locking elements for force-effective contact with each other as the first.
  • a panel is connected to the previous row by so-called "inversion".
  • in-line refers to a method of joining in which a new panel with one edge is added to the panels of the previous row, the new panel being added in an oblique plane relative to the plane of the previous row of panels.
  • the new panel is locked by an angular movement, during which the new panel is lowered into the plane of the panels of the previous row.
  • the movement in said vertical plane is a scissor-like movement. It can also be called a folding movement.
  • a plurality of such undercut groove and tongue profiles are known, which are connectable by Einwinkein, and are therefore suitable for the panel according to the invention.
  • the known retaining profile geometries can therefore be provided on the first edge pair and combined with the hook element according to the invention on the second edge pair.
  • the holding profiles of a planned second edge pair may be formed as complementary hook elements.
  • a separate vertical locking element can be provided at least on one of the hook elements of the second edge pair.
  • both edge pairs each have at least one blocking element. Thanks to the guide in this case, such a panel can be connected to other panels by two edges are connected simultaneously with adjacent panels, the edges preferably form a common corner. For this purpose, the panel to be joined can be lowered so that the edges are guided in a heavy movement at the edges of the adjacent panels.
  • the joining movement of the panel to be joined can also take place approximately perpendicularly or perpendicular to the panel plane, in that the edges are joined together at once in a small shearing motion or without shearing movement, which is favorable in particular with small panels.
  • the panel to be joined in the vertical joining movement can also be connected at the same time at its three or at its four edges with adjacent, already interconnected panels.
  • the edge pairs can be corrected with be provided ponding hook elements.
  • the hook elements may have at least one guide element as part of the guide.
  • the guide elements of the two hook elements can be arranged to cooperate in the first guide position of the hook elements for guiding the same from the first guide position or the second guide position into the hooked state and allow the hook elements to be joined in a continuous joining movement.
  • the guide elements each have at least one Schuschungsflache.
  • the two undercut surfaces may be arranged so that they slide on the Fügeweg of the first guide position or the second guide position in the hooked state into and at least partially contiguous to each guide effective.
  • the hook elements may each have a hook head in a conventional training, by means of at least one groove in the edge direction and to form a hook neck of the Panel is deposed itself.
  • the grooves of two assembled panels may be in the hooked state facing each other, so that a hook head of a panel engages in the groove of the other panel and that the undercut surfaces are respectively disposed on an inner side surface of the groove, which points to the associated panel.
  • the undercut surfaces can be arranged parallel to the joining path. As a result, a straight-line joining in a joining movement perpendicular panel level is possible.
  • at least one of the holding profiles cooperating in the hook pair can be provided with an insertion surface upstream of the joining surface, leading to the associated undercut surface, by means of which the undercut surfaces can be brought together.
  • the undercut surfaces are inclined at an acute angle to the joining movement so that the panels can be pressed against one another with joining.
  • the second hook element can automatically resiliently move the blocking region out of the joining path and be guided by means of the blocking element with its guide element or its undercut surface against the guide element or the undercut surface of the first vertical locking element such that the corresponding hook elements can be guided by means of the guide elements or the Schuschneidungflachen are frontally against each other out and join the user surface of both panels gap-free.
  • This complex movement is among other things of the inclination of the undercut surfaces to the joining path and the elastic behavior of the hook elements involved and the Vertical locking element dependent.
  • the undercut surfaces can be arranged in the hooked state of two panels on a common unlocking curve and be in contact the undercut surfaces on the common Entriegelungskurve away from each other and movable towards each other, so that the Nutzobermati of the panels in an unlocking position at an angle to each other, the smaller than 180 ° is.
  • the blocking effect of the vertical locking elements for example, by repelling the same from the corresponding edge pair must be repealed or the respective hook elements must be moved in the panel level and in the edge direction relative to each other and thus separated from each other. If the panels of a row of panels are to be separated from one another, this row of panels must first be released from the connection with their adjacent rows of panels. Then, the panels of the same row of panels can be disassembled from each other by pivoting a panel which is only connected at one end within the row upwards at that end and not moving the previous panel from which it is to be separated.
  • this movement of accessing panels of the same panel row corresponds to a reversal of that movement described above as an angle, by means of which a new panel can be attached to panels of a previous row. Therefore, this movement can also be referred to as Auswinkeln.
  • the undercut surfaces can serve as guide surfaces in both cases.
  • the hook elements in the above-described shearing motion for joining the panels or of the respective edge pair with the hook elements, the hook elements can merge into one another such that a continuous joining movement becomes possible.
  • a redissolution of the hook elements can take place in that they, at the undercut slidably abducted, are feasible in a movement of the Auswinkeins opposite to the angle.
  • the Auswinkeln can be done by pivoting or sliding-pivoting the second hook element with a pivot axis approximately along the edge in the amount of abutting surfaces of both panels to be solved.
  • the two undercut surfaces may be in the longitudinal direction of the respective holding profile and in a radius extending from the pivot axis partial circumferential surfaces.
  • the vertical locking element can be moved elastically.
  • the resilient mobility can be produced by resilient properties of the vertical locking element itself or by a separate spring element which cooperates with the vertical locking element.
  • Decisive for the resiliently movable vertical locking element is its blocking function in the direction perpendicular to the panel plane and its suitability for angling in panels.
  • At least for the elastic mobility of a vertical locking element can be provided a plane of movement which is arranged parallel to the plane of the panel.
  • a vertical locking element, which is arranged in a plane of movement parallel to the plane of the panel usually has no constant spring properties over its entire length.
  • the vertical locking element arranged parallel to the plane of the panel usually has good strength properties in the case of a vertical stress on a connection provided therewith. This is because the vertical locking element can be provided with a relatively large cross section.
  • a plane of movement is provided which is arranged both perpendicular to the plane of the panel and perpendicular to the edge provided with the vertical locking element.
  • the resiliently movable part of the vertical locking element must in this case, because it is to be accommodated in a plane perpendicular to the panel, be provided with relative be formed tively small cross-section.
  • the height of the vertical locking element will usually not exceed half the panel thickness.
  • vertical locking elements are common, which have in the smallest type of panels about a height of the vertical locking element, which corresponds to one third of the panel thickness.
  • the vertical locking element of an unconnected panel may, as described above, project beyond the edge of the panel with the blocking area.
  • the second, complementary to the first hook element hook element may have a groove formed as a recess.
  • at least one region or part of the blocking region can be incised or introduced into the latching recess of the complementary hook element.
  • the blocking element can, in the hooked state, support itself in an interlocking manner on an inner side surface facing a component in a joining movement.
  • the guide recess may be extended to receive the blocking region during the joining movement to the first guide position towards a rear side surface in joining movement so that at least one front in the joining movement of the locking portion of the locking element can be received in the guide recess.
  • the guide recess may be a fold of a joining edge in the rear edge.
  • the guide recess may have an inner profile whose inner side surface facing in the joining movement is complementary or substantially complementary to an outer side surface of the vertical locking element or its blocking region pointing counter to the joining movement.
  • the inner side surface and the outer side surface can be arranged relative to one another via the joining path to the hooked state, at least from the first guide position, so that they can be slid off one another, at least partially abutting one another.
  • the risk of a hooking or sticking of the vertical locking element or its blocking area on the guide recess can be effectively countered.
  • the guide recess or the second hook element with its undercut surface are pressed approximately perpendicular to the joining movement resiliently against the first hook element and thus against the undercut surface, whereby a stable guidance hook elements in the hooked State under sliding of the undercut surfaces can be achieved together.
  • the second hook element is guided by the sliding of inner side surface and outer side surface via a displacement path with a path component in the panel plane with its undercut surface or with its guide element against the undercut surface or against the guide element of the first hook element can be continued with the first hook element via the slipping on the undercut surfaces in the hooked state.
  • a little flexible vertical locking element can be "bypassed".
  • the same may also have, as described in WO03 / 016654, a resilient latching lug which, in the installed position, extends at an acute angle to the joining path and with a travel component counter to the joining movement.
  • the blocking element can comprise a holding section for its arrangement in a provided holding groove in the first hook part, to which preferably the latching tab directly adjoins.
  • the guide recess can be formed by forming the facing in joining movement inside surface by a flat, over the entire length of the edge extending ablation of a joining movement rear corner. As a result, the latching tab and inner side surface in the first guide position can be arranged approximately parallel to one another.
  • the vertical locking element can either be connected to the corresponding hook element via a slight press fit or via an adhesive connection.
  • a combination of press connection and adhesive connection is possible. It is sufficient if this press connection sets the vertical locking element captive on the hook element.
  • a press fit is undesirable, because it forces into the core material of the panel are introduced, which lead to an undesirable deformation. This is particularly disadvantageous if this deformation is visible on the finished floor covering, because, for example, a change in shape occurs on the useful surface of the panel.
  • the blocking element is made of plastic and in this case preferably extruded.
  • the handling of the panels can be improved if a hook element can be positioned for connection to the complementary hook element of a neighboring panel on a substrate, wherein the joining of the hook elements of two panels is effected by the fact that the panel can be positioned on the ground and rests with the neighboring panel a joining movement is executable, and wherein the vertical locking element is preferably provided on that hook element, which is located at the edge of the stationary panel.
  • the hook elements of two panels are always connectable even when two panels to be joined lie in a common plane.
  • the hook element of a panel is placed in alignment behind the hook element of a neighboring panel, so that the cross sections of the hook elements lie exactly in line with one another.
  • edges provided with the hook elements are pushed into each other until they overlap on the desired length of the panels.
  • FIG. 44 in DE 10 2006 011 887 which illustrates this with an example.
  • the edge 32 of a panel 30b is flush-fitted in the direction of the arrow with an edge of a panel 30a. It may be necessary at the beginning of the aligned movement to press the elastic vertical locking element projecting from the edge a little and to set it so that it fits into the neighboring panel.
  • the panel of the invention may be formed, for example, as a floorboard, parquet or laminate panel and therefore either consist of solid wood or have a core material.
  • the core material may be a wood material consisting of grown wood parts, such as a blockboard made of rod-shaped pieces of wood, a multiplex board made of wood layers, or a plywood.
  • fiber material can also be provided as the core material.
  • other materials for a panel according to the invention are suitable, for example, solid plastic or at least plastic as a core material.
  • the panel may consist of a grown fiber-free wood material, such as solid wood, or have a core material of a fiber-free wood material. If the panel has a core material, this is coated and usually provided with a user surface with decorative properties.
  • the guide recess is also designed as a dust chamber.
  • the dust chamber is formed in the hooked state of the guide recess and a wall of the first hook part. Furthermore, the dust chamber is open laterally as part of the holding profiles.
  • the retaining profiles can be partially bent in the connected state of two panels, wherein by the bending a clamping force can be generated, which acts in a plane parallel to the plane of the panel.
  • the clamping force can be designed in such a way that the panels are forced together or kept at the desired distance.
  • the holding profiles in the connected state of two panels may be partially bent so that a tension force can be generated by the bending, which acts in a plane perpendicular to the plane of the panel.
  • connected panels can be positioned in height relative to each other so that existing contact surfaces within the holding profiles can be forced against each other or kept at the desired distance.
  • a clamping force can be generated, wherein the clamping force acts in a plane which is arranged parallel to the plane of the panel.
  • the clamping force of the vertical locking element can force the panels to be forced or setting a desired distance between the panels are effected.
  • a clamping force can be generated with the vertical locking element in the connected state of two panels, the clamping force acting in a plane which is arranged both perpendicular to the plane of the panel and perpendicular to the edge provided with the vertical locking element.
  • the panels can either be loaded with a force component as required, which forces a panel upwards or downwards relative to the connected panel perpendicular to the plane of the panels.
  • Figure 1 is a top perspective view of a flooring with two rows of panels, with a new panel being angled in,
  • FIGS. 2a to 2e are cross-sectional views of five exemplary embodiments for angled holding profiles of a second edge pair of the panel
  • FIG. 3a shows a cross-sectional view of a first embodiment of a retaining profile connection with a hook element pair and a separate vertical locking element
  • FIG. 3b shows a detail IHb according to FIG. 3a
  • FIG. 4 a shows a cross-sectional view of a second exemplary embodiment of the retaining profile connection
  • FIG. 4b shows a detail IVb according to FIG. 4a
  • FIG. 5 shows a cross-sectional view of a third exemplary embodiment of the retaining profile connection
  • FIG. 6 shows a cross-sectional view of a fourth exemplary embodiment of the retaining profile connection
  • FIG. 16 shows a side view of a first embodiment of a vertical locking elements according to FIGS. 3a to 9b, FIG.
  • Figures 17a and 17b is a plan view and a cross-sectional view of a second embodiment of the Vertikalsperrele- elements according to the figures 10a to 11b and
  • FIG. 18 shows a cross-sectional view of a third embodiment of the vertical locking elements according to FIGS. 12 and 13.
  • FIG. 1 shows a started floor covering B of panels 1, 2, 3, 4 and 5 according to the invention, similar here, in two panel rows.
  • the panel 2 has a quadrangular shape. It is provided with a user surface N. At the four edges of the panel 2 holding profiles 2a, 2b, 2c and 2d are arranged.
  • the panel 2 has two edge pairs. Each edge pair is formed from two opposite edges, which correspond with corresponding Denden retaining profiles are provided.
  • the panel 2 comprises two parallel long edges 2a and 2b and two short edges 2c and 2d, which are respectively opposed in parallel. At the short edges 2c and 2d of the panel 2, the same is connected to further panels 1 and 3 lying in the same row R1. The indexing of the edges applies to the remaining panels 1, 3, 4 and 5 in the same way.
  • the panel is connected to the panels 4 and 5 of the following row of panels R2.
  • a new row of panels can be added to each laid row of panels. This is preferably done in a stepwise construction of a new row of panels by adding individual panels.
  • Figure 1 further shows how the panel 5 is connected as a new panel by Einwinkein with the panels 2 and 3 of the previous Pane neel Rl. Shown is the new panel 5 in a plane which is arranged obliquely to the plane of the panels 2 and 3 of the previous row of panels Rl. A long edge 5b of the new panel 5 is attached to the long edges 2b and 3b of the panels 2 and 3 of the previous row R1. The nested at the long edges holding profiles of the first pair of edges are automatically locked together by pivoting down the new panel 5 in the plane of the panels of the previous row Rl. The retaining profiles of the long edges of the panels then prevent the panels from moving apart in the common plane, perpendicular to the long edges.
  • the angle also causes a connection of the short edge 5c of the new panel 5 with the short edge 4d of the panel 4 already in the same row of panels R2.
  • the angulation causes a scissors-like movement at the short edges 4d / 5c short edge 5 c of the new panel 5 on the short edge 4 d of the lying panel 4 moves.
  • the angle is also called a folding movement.
  • Figures 2a to 2e show forms of holding profiles, the are known in the art, and which are suitable for Einwinkein.
  • a groove edge A of the panels of a previous row is provided for the connection of a following row of panels. Therefore, an edge of a new panel provided with a spring B is usually added to the groove edge A of the panels of the previous row, the new panel being arranged in an oblique plane as shown in FIG.
  • the groove edge has at least one Deutschenschneidungsflache Al and the spring edge per an undercut surface Bl, which counteract in the locked state, a movement apart of the panels in the panel plane and that perpendicular to the locked groove and spring edges A / B.
  • An upper side of the panels 1 to 7 is provided with a payload surface N.
  • the panels 1 to 7 according to Figures 1 and 2 and the panels 6 and 7 according to Figures 3a to 15 comprise a core material of a wood fiber material.
  • the holding profiles are milled to the edges, which may consist of the core material or have a special edge material.
  • FIGS. 3a to 15 holding profiles in the form of hook elements 6a and 7a in connection with at least one separate vertical locking element 8 are shown.
  • These hook elements 6a and 7a are arranged at least on that edge pair of a panel 1, 2, 3, 4 and 5 according to FIG. 1, which join together by a scissor-like movement (folding movement) with a similar neighboring panel 1, 2, 3, 4 and 5 leaves.
  • All examples of hook elements of FIGS. 3a to 15 are therefore suitable for the edges 2c / 2d of the panel 2 according to FIG. 1 or for the edges 4d / 5c of the panels 4 and 5 according to FIG. 1 to be hooked.
  • FIGS. 3a to 15 have the preferred joining type in common, according to which a new panel 7 shown in the figures above is moved by a scissor-like movement to a neighboring panel 6 already shown in the figures below, the facing hook elements 6a and 7a are hooked together.
  • the hook elements 6a and 7a have hook necks 6.1 or 7.1 and hook heads 6.2 and 7.2, respectively. So that the panels 6 and 7 are not moved apart even in the panel plane perpendicular to the hooked edges, the hook element 6 is provided with an undercut surface 6b which cooperates with an undercut surface 7b of the panel 7.
  • the panels 6 and 7 are only partially shown in sectional view. Subsequently, the hook element facing a user surface N is always referred to as the upper hook element 7a and the hook element complementary thereto corresponding to its position as the lower hook element 6a.
  • FIGS. 3a to 15 The scissor-like relative movement of the hook elements 6a and 7a relative to one another is illustrated in FIGS. 3a to 15 by means of at least two positions I and IV, which occupies the upper hook element 7a via a joining path M relative to the lower hook element, the lower hook element 6a with respect to one in FIGS not shown base remains unmoved.
  • the position I shows the upper panel 7 in an unconnected in the cutting area with the lower panel 6 state, wherein the upper panel is shown in this position with a dashed line.
  • the position IV in which the upper panel 7 is shown by a solid line, indicates the hooked state of the hook elements 6a and 7a again, in which the vertical locking element 8 is automatically locked and a release of the hook elements 6, 7 opposes the joining movement m.
  • the effective areas N of the panels 6 and 7 are at a height.
  • a load on the effective area N in the area of the upper hook element 7a presses a bearing surface.
  • contact surface 7w and support surface 6w are in contact, so that no height difference can arise due to a cavity between support surface 7w and support surface 6w.
  • a dust chamber area S may be provided in the support surface 7w. This applies to all exemplary embodiments illustrated in FIGS. 3a to 15.
  • FIGS. 3 a, 4 a and 5 the upper panel 7 is shown in position II, in which the upper hook element 7a has come to the vertical locking element 8 via the joining path M during the shear-type joining movement m over the joining path M.
  • a guide 9 is provided for guiding the hook elements 6a and 7a into the hooked state, which in the joining movement m via the joining path M from the position II of the upper hook element 7, in which the upper hook element 7 for effective engagement with the vertical lock - Element 8 has come, is guiding.
  • the hook elements 6 and 7 are, as explained in more detail below, by means of the guide 9 and by means of a force with a force component K perpendicular to the panel plane or perpendicular to the user surface N already laid panels 1 to 6 in a continuous joining movement m from the position I in the hooked state (position IV) into feasible.
  • the position II is equal to a first guide position F.
  • the guide can also be designed so that they upstream in a joining movement m to the first guide position F and not shown here leadership position or from a joining in the first leading position or joining second Leadership position becomes effective.
  • the undercut surfaces 6b and 7b except for rounded transitions to adjacent surfaces, an end face 6v and the support surface 6w or a neck surface 7v and the support surface 7w, perpendicular to the payload surface of the associated panel 6, 7 are arranged.
  • the hook head 6.2 of the lower hook element 6a is dimensioned so that it is forcefully applied to an undercut surface 7e of the upper hook element 7 in the position II and thus in the first guide position F, with its undercut surface 6e.
  • FIG. 3b a detail IHb according to FIG. 3a.
  • the lower hook element 6a has a joint surface b, which in the hooked state is in contact with a joint surface c of the upper hook element.
  • the so abutting joint surfaces b and c ensure that the surface of a floor covering B is seamless, because the user surface N of a panel immediately adjacent to the user surfaces N of the neighboring panels.
  • the corners between the joining surfaces b or c and the user surface N can also be taken or rounded.
  • a gap 1 is provided in the hooked state between the free outer edge of the lower hook element 6a and the region of the upper hook element 7a projecting from the outer edge.
  • the resilient automatic locking of the vertical locking element 8 is easy to feel for the user, because it is the only resistance, which is the joining movement m on the joining path M.
  • the vertical locking element 8 as a blocking region Sp an elastically resilient locking tab 8a, which is resiliently movable in the cross-sectional plane shown in Figure 3a.
  • the vertical locking member 8 includes an insertion portion 8b, with which it sits in a recess 6c, which is provided for this purpose at the edge of the hook member 6a.
  • the recess 6c is formed in two stages with a narrow and deep area and a wider area with less depth.
  • the locking tab 8a of the vertical locking element 8 projects from the edge of the hook element 6a.
  • the insertion section 8b of the vertical locking element 8 is arranged captively in the hook element 6a of the panel 6.
  • the vertical locking element 8 protrudes in the guide position F still with its elastic locking tab 8a in the joining path M of the hook elements 6a, 7a inside, is automatically moved with its locking tab 8a during the further joining movement of the joining path M to release this, and in the locked state of Hook elements 6a, 7a by means of spring action automatically moves back into the joining path M in a provided in the hook head 7.2 Rastausneh- tion 7c inside, wherein the locking tab 8 is supported with its free end on a locking surface d in the recess 7c.
  • the undercut surface 6e and 7e are guide elements of the guide 9 for guiding the hook elements 6a and 7a via the joining path M from the first guiding position to the position IV in which the hooking elements 6a and 7a are in a hooked state. From the illustrated geometries it is immediately apparent that the vertical distance of the vertical locking element 8 from the useful surface N or from the support surface 7w and the formation of the locking tab 8a or generally its locking region Sp the necessary vertical extension of the hook head 6.2 or determine the undercut surfaces 6e and 7e, so that the guide 9 in the joining movement m on the joining path M at least from the first guide position can be guiding effect.
  • the guide 9 it is thus possible that the upper panel 7 is lowered with its hook element 7a perpendicular to the effective area N and connected in one step and in a continuous joining movement over the entire profile length of the hook element 7a with the hook element 6a.
  • the panel 7 can also be connected simultaneously, for example, with two, three or four adjacent, already interconnected panels. If there is a shearing motion in which the holding profiles to be joined are pivoted and connected along their length, it is obvious that the guide on the front in shear movement, already nested sections of the holding profiles with the vertical locking element 8 on the stiffness of the same the relative position of not yet directly covered by the guide, in shear movement rear sections may affect the same holding profiles.
  • the shearing motion of the panel 7 the same can also be connected simultaneously to two adjacent, already interconnected panels by the panel starting the heavy movement from a common corner of two of its edges or attaching to a same side of two parallel edges.
  • the hook elements 6a and 7a shown in Figure 4a are hooked together.
  • the vertical locking element 8 is arranged at the same height as in FIG. 3a in the lower hook element 6a.
  • a guide recess 7k for receiving the latching lug 8a of the vertical locking element 8 is provided in the hook element 7a according to FIG. 4a.
  • the guide recess 7k comprises an inner side surface 71 pointing in joining movement m, which has an approximately same inclination as an outer side surface 8n of the latching lug 8a facing opposite the joining movement.
  • the guide recess 7k is a simple Abkant Chemistry the front in the direction of movement free edge of the hook head 7.2.
  • the two side surfaces 71 and 8a are in the drawn in Figure 4a and dotted shown position II of the upper hook element 7a to each other.
  • the undercut surfaces 6e and 7e are arranged perpendicular to the effective surface N as in FIG. 3a.
  • the guide recess 7k at the same time forms a Staubrithmmer Sl.
  • hook element 7a and vertical locking element 8 are in a force acting over the joining movement m first ( Figure 4b), which, since the locking tab on the joining path M can be received by the guide recess 7k, compared to the embodiment of Figure 3a on the Joining path M takes place later and is thus delayed.
  • the hook head 6.2 must be dimensioned smaller in the vertical direction, so that it in the first guide position F (position II in Figure 4a) with its undercut surface 6e guide effective at the Schuschneidungs- 7e of the hook element 7a.
  • the vertical locking element 8 can be arranged further offset in its vertical positioning downwards, whereby, however, the wall receiving force for blocking between a sloping locking surface d of the recess 7c and the support surface 7w may be unfavorably reduced.
  • Figure 5 shows a cross-sectional view of a third embodiment of a retaining profile connection with vertical locking element 8 and hook elements 6, 7, in which, differing from the previous, the undercut surfaces 6e and 7e have a slight inclination to the vertical and enclose with this an angle ⁇ .
  • This allows known to facilitate engagement of the hook elements on the Fügeweg M.
  • the hook elements are pressed with the joining movement in the hooked state according to position IV in accordance with the principle of the inclined plane against each other, so that their joint surfaces b and c can be close to each other. This has, as shown below, a dependent on the inclination change of the joining movement m on the joining path M result.
  • a retaining profile connection illustrated in FIG.
  • the undercut surfaces 6b, 7b of the hook elements 6a and 7a are arranged such that they lie in an unlocking curve V whose function will be discussed in the following examples.
  • the undercut surfaces 6e and 7e are generally inclined more towards the horizontal. This can result in a more complex joining movement than in FIG. 5 and in particular as in FIGS. 3a and 4a.
  • the hook element 7 with its undercut surface 7e is guided against the undercut surface 6e of the lower hook element 6a (position III). Sliding further on the undercut surfaces 6e and 7e, the hook element 7 is guided further into the hooked state (position IV) with the lower hook element 6a. Since this complex movement is dependent inter alia on the inclination of the undercut surfaces to the joining path and the elastic behavior of the hook elements and the vertical locking element involved, the drawn position III is only an example and not to be regarded as a precisely occurring position.
  • the hook elements 6, 7 shown in FIG. 7a differ from those shown in FIG. 6 only in that the gap 1 is missing and contact between the edges is instead provided.
  • the hook elements 6a / 7a have undercut contact surfaces 6d / 7d which are designed such that, during the vertical joining movement according to FIG. 7a, a constraining and elastic deformation is required in order to bring the contact surfaces into the illustrated contact position ,
  • the guide 8 in turn has the guide recess 7k, so that the guidance of the hook elements 6, 7 takes place in the same way as previously explained.
  • the panel 7 entangled according to FIG. 7a is pivoted up into an oblique position according to FIG. 7a and brought into an unlocking position.
  • the pivotal movement is effected about a pivot axis arranged parallel to the pivot elements 6a / 7a or on an unlocking curve V, which in the present embodiment are circular.
  • the useful surfaces N of the two panels 6 and 7 assume an angle ⁇ of less than 180 °.
  • the undercut surfaces 6b, 7b of the hook elements 6a, 7a have a cylindrically curved shape in the present case on. However, it is also possible to provide even or oppositely curved Schuschneidungsflachen. Under certain circumstances, the undercut surfaces would then undergo elastic deformation when the panels are moved from a level position into the unlocking position shown in FIG. 7b. The elastic deformation can be tolerated if it does not prevent the function of the hook elements.
  • the contact surfaces 6d, 7d are also shaped so that they can slide past each other to achieve the unlocking position shown in Figure 7b without appreciable elastic deformation. The contact surfaces 6d, 7d are subject to less wear than during the joining movement.
  • the hook elements 6, 7 in FIGS. 8a and 8b differ from those in FIGS. 7a, 7b, in particular in the number of undercut surfaces of the hook elements, which move the panels apart in the panel plane perpendicular to the hooked edges (horizontal ) prevent.
  • two undercut surfaces 6b and 6e or 7b and 7e are provided on each hook element 6a or 7a, which are arranged on two unlocking curves V1 and V2.
  • Figures 9a and 9b show an embodiment of hook elements 6a and 7a, which provide the vertical locking element 8 on the upper hook element 7a.
  • the hook elements 6, 7 are in turn by a scissor-like joining movement with each other connected.
  • the vertical locking member 8 is disposed in a recessed from the outer edge of the upper panel 7 area and cooperates with the outer edge of the provided with the lower hook member 6a panel 6, with its locking tab 8a extends against the joining movement m.
  • a Rastausneh- tion 6f is provided with the oblique locking surface d.
  • the resilient locking tab 8a When the upper hook element 7a is lowered from the position I shown in dashed lines to the lower hook element 6a, the resilient locking tab 8a is initially pushed back out of the joining path M by contact with the lower hook element 6a. When the hook elements have reached their locked position shown in FIG. 7a, the resilient latching tab 8a automatically emerges again into the joining path M, being sprung into the clearance formed by the latching recess 6f and springing against the latching surface d.
  • the arrangement of the vertical locking element 8 in the upper hook member 7 is a kinematic reversal. Therefore, in order to delay effective contact of the lower hook element 6a with the vertical locking element 8, a guide recess 6k is now provided in the hook head 6.2 of the lower hook element 6 for receiving the latching lug 8a in the first guide position not explicitly shown here.
  • the hook elements 6a and 7a have interlocking surfaces 6b and 7b cooperating in the panel plane and perpendicular to the hooked edges (horizontally). These undercut surfaces 6b / 7b are arranged on an unlocking curve V.
  • the panel 7 is pivoted with the upper hook member 7a around the hooked edges up and brought into an unlocked position. In the unlocked position, the useful surfaces N of the panels 6 and 7 have an angle ⁇ of less than 180 ° with respect to each other.
  • FIGS. 10a and 10b largely corresponds to the exemplary embodiment according to FIGS. 7a and 7b. however, an alternative vertical locking element 8 is provided at the same installation location.
  • the vertical locking element 8 is bendable in the manner of a leaf spring and also designed so that it can be pushed out of the joining path M of the upper hook element 7a automatically and thereby absorbs spring energy.
  • the vertical locking element 8 has been automatically moved back into the joining path M by means of the stored spring energy and reaches a latching recess 7c of the hook element 7a.
  • the vertical locking element 8 is arranged in a plane parallel to the useful surface N of the panel 6.
  • a groove-shaped recess 6h is provided on the lower hook element 6a.
  • the recess 6h extends along a recessed portion of the edge of the lower hook member 6a.
  • the spring elastic movement of the vertical locking element 8 also takes place.
  • the vertical locking element 8 is spring-movable parallel to the plane of the panel, namely substantially perpendicular to the edge of the panel. It protrudes in the relaxed state into the joining path M of the upper hook element 7a.
  • the vertical locking element 8 Because the vertical locking element 8 must be able to move in the recess 6h, the fit for the vertical locking element 8 in the recess 6h is designed as a slight sliding fit. Clamping is thus prevented.
  • the vertical locking element 8 has an oblique outer side surface 8n, which serves as a contact surface for the upper hook element 7a. When the upper hook member 7a abuts on its joining path M against the inclined outer side surface 8n, the leaf spring-like vertical locking member 8 is elastically deformed and moved in the direction of the groove bottom of the recess 6h. In this way, the joining path for the upper hook element 7a is temporarily released.
  • the alternative vertical locking element 8 likewise ensures problem-free unlocking by the panel provided with the upper hook element 7a 7 is pivoted on an unlocking V in an unlocking position, in which the user surfaces N of the panels 6 and 7 to each other an angle ß occupy less than 180 °.
  • a vertical locking element 8 according to the previous example is also used, but here in the upper hook element 7a and kinematically reversed.
  • the vertical locking element 8 is thus no longer arranged on the recessed edge of the lower hook element 6a, but on the free outer edge of the upper hook element 7a. Consequently, the upper hook element 7a has a groove-shaped recess 7h which has the same properties as the above-described groove-shaped recess 6h according to FIG. 10a.
  • the oblique outer side surface 8n of the vertical locking element 8 is arranged according to FIG.
  • the hook head 6.2 of the lower hook element 6 extends correspondingly far to the useful surface.
  • FIG. 11b shows an embodiment which is approximately equal to the embodiment of FIG. 3a. It is merely another embodiment of the vertical locking element 8 is provided. The vertical locking element 8 is arranged at the same mounting position on the lower hook element 6a. For locking against moving apart of the panels 6 and 7 in the panel plane and perpendicular to the hooked edges, the hook elements 6a and 7a are provided with cooperating Schuschneidungsflachen 6b and 7b.
  • the vertical locking element 8 has jagged or arcuate spring-elastic contact means 8d, which effect a blocking action in the vertical direction, namely perpendicular to the panel plane by releasing the joining path M for the upper hook element 7a under a back pressure of the upper hook element 7a, after omitting the Gegenrucks move by stored spring energy automatically and again in the joining path, this blocking, emerge.
  • the contact means 8d are arranged at a recessed area of the edge of the lower hook element 6a.
  • the vertical locking element 8 has two insertion areas 8e which approximately correspond to the insertion section according to FIG. 3a. For the insertion portions 8e groove-shaped recesses 6i are provided in the lower hook member 6a.
  • the insertion portions 8e of the vertical locking member 8 may be received in the groove-shaped recesses 6i so as to be movable back and forth therein. As a result, they help to temporarily release the joining path M and block it again.
  • the insertion portions 8e may be fixedly connected to the groove-shaped recesses 6i, for example, by press-fitting due to interference and / or adhesive in the groove-shaped recesses 6i. It is also favorable if only one of the insertion areas 8e is firmly connected in the groove-shaped recesses 6i and the second insertion area 8e is movable in its groove-shaped recesses 6i.
  • FIG. 13 shows an example in which a vertical locking element 8 is arranged on each hook element 6a and 7a. Both vertical locking elements 8 are suitable to be locked together. They act against a release of the panels 6 and 7 in a direction perpendicular to the panel plane. Since the undercut surfaces 6e and 7e in each case according to FIGS. 12 and 13 lie on a locking cam V, the hook elements 6, 7 can be unlocked as already described above.
  • FIGS. 14 and 15 each show an exemplary embodiment with panels 6 and 7, which largely correspond to the panels of the exemplary embodiment of FIGS. 8a and 7b, with a respective guide recess 7k being provided on the hook elements 7.
  • the only difference is the vertical locking element 8 and a recess 6i, which is provided in the lower hook element 6a for receiving an insertion region 8e of the vertical locking element 8.
  • each of the hook heads 7.2 continue to the effective area N.
  • the special vertical locking element 8 is arranged at the same installation location on the lower hook element 6a as the vertical locking element 8 in Fig. 6a.
  • the hook members 6a and 7a are provided with undercut surfaces 6b and 6e which cooperate with undercut surfaces 7b and 7e, respectively.
  • the vertical locking element 8 has a protruding resilient contact means 8d, which causes a blocking action in the vertical direction, namely perpendicular to the panel plane, in which it release the joining path M for the upper hook member 7a under a back pressure of the upper hook member 7a and after elimination of the back pressure through move stored spring energy automatically and emerge again in the joining path M and blocks it.
  • the vertical locking element 8 receives its resilient property by two spring means 8n, which protrude laterally from the insertion.
  • FIG 16 shows an enlarged view of the cross section of a vertical locking element 8, as it can be found in the embodiments of Figures 3a to 9b use.
  • the vertical locking member 8 has an insertion portion 8b provided with anchoring means. With the insertion section, the vertical locking element 8 can be inserted in a recess 6c or 7f of a hook element 6a or 7a.
  • a connection between the insertion portion 8b of the vertical locking element 8 and the recess 6c or 7f of the hook element 6a or 7a may be based on a press connection or on the use of an adhesive.
  • the anchoring means of the Einsetzabitess 8b have a bearing surface 8g, which rests in the assembled state on a side wall of the recess 6c and 7f of a hook element.
  • the anchoring means of Einsetzab- section 8b have on the opposite side of the abutment surface 8g side by side protruding holding elements 8h. Between the holding elements 8h gaps 8i are provided.
  • the recess 6c or 7f must with This results in a high surface pressure and an elastic deformation of the contact points at which the holding elements 8h with the recess 6c and 7f of the hook member 6a and 7f are in contact materials in contact with each other. In this way, the vertical locking element 8 is attached captively to the hook element 6a or 7a. If a press connection is undesirable, the recess may be formed with a width greater than the width of the insertion portion 8b of the vertical locking member 8. The insertion portion 8b may then be connected to the recess 6c or 7f by introducing an adhesive. In this case, it is advantageous that the interspaces 8i between the holding elements 8h of the insertion section 8b can form a reservoir for adhesives.
  • An inclined surface 8j adjoins the contact surface 8g at the free end of the insertion section 8b.
  • This inclined surface 8j serves to make it easier to insert the insertion section 8b into the recess 6c or 7f during assembly.
  • the inclined surface 8j is achieved that the free end face of the insertion portion 8b has a significantly smaller width than the width of the opening of the recess 6c and 7f, so that the insertion portion 8b therefore easily fits into the opening of the recess 6c and 7f.
  • a laterally projecting shoulder 8k adjoins the abutment surface 8g of the insertion section 8b.
  • the shoulder 8k is in the mounted state in contact with a bottom of a wider portion of the recess 6c or 7f of a hook member 6a and 7a, respectively.
  • the shoulder 8j serves to limit the insertion depth of the vertical locking element 8 in the recess 6c or 7f.
  • a clearance to the bottom of the recess 6c or 7f is provided.
  • a support surface 8m which is oriented approximately parallel to the contact surface 8g.
  • the support surface 8m according to the present embodiment has contact with the lateral wall of the wider portion of the recess 6c or 7f of the hook element 6a and 7a, respectively.
  • the free end of this locking tab 8a is the side of the vertical locking element 8 faces, on which the holding elements 8h of the insertion 8b are arranged.
  • the locking tab 8a has two side surfaces, an outer side surface 8n and an inner surface 8p. Between the support surface 8m and the outer side surface 8n of the locking tab 8a, an obtuse angle is formed.
  • a recess 8r is provided at the foot end thereof. The recess 8r reduces the cross section of the foot of the locking tab 8a, thereby favoring a resilient bending of the locking tab 8a in the direction of the Einsetzabitess 8b.
  • the vertical locking element 8 is manufactured as an extruded part and is processed by the meter. From the meterware therefore blocking element pieces must be separated to equip a provided with a hook element edge with a vertical locking element 8 of appropriate length. It is favorable to cut a vertical locking element 8 slightly shorter than the edge of the respective panel in order to avoid a projection of the vertical locking element 8.
  • Figures 17a and 17b show an embodiment of a vertical locking element 8, as it can be used for hook elements 6a and 7a according to Figures 10a to IIb. It is designed in the manner of a flexible leaf spring which, if it is arranged in a recess 6h or 7h of a hook element 6a or 7a, has a maximum spring travel f. On one side of the vertical locking element 8, an oblique outer side surface 8n is provided, which in the present embodiment extends over part of the length L of the vertical part 8n. kalsperrelements 8 extends. A cross section through the vertical locking element 8 is shown in Figure 17b, in which also the maximum spring travel f is indicated.
  • FIG. 18 Another vertical locking element is shown in Figure 18, which is used in the examples of Figures 14 and 15. It has two contact means 8d.
  • the contact means 8d are arranged in a plane perpendicular to the plane of the panel and project laterally from the edge of the hook element 6a or 7a.
  • the contact means 8d have elastic properties.
  • the vertical locking element 8 is provided in recesses 6i and 7j of a hook element 6a and 7a, respectively.
  • the in the assembled state of the panel edge facing side of the contact means 8d is partially supported on a contact surface of the panel edge. Free spaces 8f are provided between the contact means 8d and the contact surface. The free spaces 8f provide a spring travel f by which the contact means 8d can be pushed back from its protruding position against the contact surface of the panel edge.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)

Abstract

L'invention concerne un panneau (1, 2, 3, 4, 5, 6, 7) présentant une surface utile (N) et quatre arêtes (2a, 2b, 2c, 2d, 4d, 5b, 5c) dont des paires d'arêtes opposées présentent des profils de fixation correspondants. Les profils de fixation d'une première paire d'arêtes sont conçus en tant qu'éléments crochet complémentaires (6a, 7a), c.-à-d. un premier élément crochet et un deuxième élément crochet, de telle manière que sur chaque élément crochet (6a, 7a), un panneau adjacent identique (1, 2, 3, 4, 5, 6, 7) peut être connecté essentiellement au moyen d'un mouvement d'assemblage perpendiculaire au plan du panneau. Au moins un des éléments crochet (6a, 7a) de la première paire d'arêtes comporte au moins un élément de blocage vertical séparé (8) faisant saillie avec une zone de blocage dans la trajectoire d'assemblage (M) des éléments crochet (6a, 7a). L'élément de blocage vertical (8) peut être extrait automatiquement de la trajectoire d'assemblage (M) lors du mouvement d'assemblage des éléments crochet (6a, 7a) de deux panneaux (1, 2, 3, 4, 5, 6, 7) afin de libérer ladite trajectoire, et réinséré automatiquement par action ressort dans la trajectoire d'assemblage (M), dans l'état encastré des éléments crochet (6a, 7a). L'invention concerne également un revêtement de sol. Pour un assemblage plus simple, un guide est prévu pour l'encastrement des éléments crochet de la deuxième paire d'arêtes dans l'état encastré, le guide agissant lors du mouvement d'assemblage le long de la trajectoire d'assemblage, à partir d'une première position de guidage des éléments crochet dans laquelle le deuxième élément crochet est en appui sur l'élément de blocage vertical de manière à exercer une force, ou à partir d'une deuxième position de guidage en amont de la première position de guidage dans le sens d'assemblage. Les éléments crochet peuvent être guidés dans un mouvement d'assemblage continu dans l'état bloqué sous l'effet du guide et d'une force ayant une composante de force perpendiculaire au plan de panneau.
PCT/DE2008/000008 2007-01-12 2008-01-04 Panneau et revêtement de sol Ceased WO2008083662A1 (fr)

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DE102007002590.6 2007-01-12
DE102007002590A DE102007002590A1 (de) 2007-01-12 2007-01-12 Paneel sowie Bodenbelag

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US11085475B2 (en) 2008-12-17 2021-08-10 Flooring Industries Limited, Sarl Composed element, multi-layered board and panel-shaped element for forming this composed element
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