WO2008083662A1 - Panel and floor covering - Google Patents

Panel and floor covering Download PDF

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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
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WO
WIPO (PCT)
Prior art keywords
7a
panel
6a
hook
guide
Prior art date
Application number
PCT/DE2008/000008
Other languages
German (de)
French (fr)
Inventor
Hans-Jürgen HANNIG
Erich SCHÄFERS
Egon Hoff
Original Assignee
Akzenta Paneele + 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 DE102007002590.6 priority Critical
Priority to DE102007002590A priority patent/DE102007002590A1/en
Application filed by Akzenta Paneele + Profile Gmbh filed Critical Akzenta Paneele + Profile Gmbh
Publication of WO2008083662A1 publication Critical patent/WO2008083662A1/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/04Flooring 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153Joining 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0523Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape

Abstract

The invention relates to a panel (1, 2, 3, 4, 5, 6, 7) having an effective surface (N) and having four edges (2a, 2b, 2c, 2d, 4d, 5b, 5c), opposite pairs of edges thereof having corresponding retaining profiles, the retaining profiles of a first pair of edges being configured as complementary hook elements (6a, 7a), a first hook element and a second hook element, so that an adjoining panel (1, 2, 3, 4, 5, 6, 7) of the same kind can be joined to every hook element (6a, 7a) by performing a joining movement perpendicular to the plane of the panel. At least one of the hook elements (6a, 7a) of the first pair of edges is provided with at least one separate vertical locking element (8) which projects into the joining path (M) of the hook elements (6a, 7a) with a locking section thereof. The vertical locking element (8) can be automatically moved out of the joining path (M) during the joining movement of the hook elements (6a, 7a) of two panels (1, 2, 3, 4, 5, 6, 7) in order to release the same, and can be automatically returned to the joining path (M) by the effect of a spring when the hook elements (6a, 7a) interlock. The invention also relates to a floor covering. In order to make it easier to join the panels, a guide for guiding the hook elements of the second pair of edges into the locked state is provided and is effective as a guide during the joining movement across the joining path as of a first guide position of the hook elements in which the second hook element has contacted the vertical locking element so as to exert force, or as of a second guide position, ahead or in front of the first guide position in the direction of joining. The hook elements can be guided in a continuous joining movement into the locked state owing to the guide and owing to a force having a force component that is perpendicular to the panel plane.

Description

Panel, floor

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 assembled from a plurality of panels according to the invention

In general, the edges of a panel are arranged to each other so that opposite edges parallel to each other and form a first and a second pair of edges, the mutually parallel edges each with an edge of a similar panel. Known panel of the above type are known from WO 03/016654 Al and WO 2006/043893 Al from the. Here, a vertical locking element is provided in a pair of edges, which is to function in accordance with a release of the hook elements counter to the joining movement, in which the pair of hooks is connected with each other, prevent. Here, the joining movement is complicated in two steps. First, the panel to be appended engages in a heavy and / or lowering movement over an already installed panel, the locking range is automatically moved out of the displacement distance. In a further step, the panel is to be appended is pressed under application of force 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 into it by spring action back to the displacement distance.

The invention is therefore based on the object to provide the panel of the aforementioned type that are simple connectable.

The stated object is achieved by the features of the characterizing part of claim 1.

Here, it is understood by the lead on the joining path then uses the latest when to effect an automatic outward movement of the vertical locking element from the welding length, the second hook element, that is, the hook element without a locking element, in force-effective contact with a continuous joining movement a joining movement without interruption with the vertical locking element is coming. This can prevent that the hook elements are moved apart by the spring action of the vertical locking element during the joining movement into a movement component that they overlap over a small area in the panel plane, rest against each other and a gap between the edges to be joined occurs, the edges still have a slightly different height. The gap needs to be closed to each other by applying a force is initiated which has a sufficiently large force component in the closing direction of the edges in a second moving step by means of an additional relative movement of the edges. This can be done for example by an angle to the gap directed Serving a hand of a the panel be laid person on the working surface in the region of the respective hook element of the example, with respect to a substrate higher standing panels, whereby the hook elements are placed in the hooked state, in which the vertical locking element is by spring action automatically movable into the displacement distance.

By means of the guide according to the invention, however, the edges can be completely performed in the hooked state of the hook elements against each other in a continuous joining movement, in which the working surfaces of both of joined panels adjoin one another seamlessly.

As usual, the edge of the first pair of edges of the panel and that of the second pair of edges of the panel can form a common area, wherein they enclose an angle of preferably 90 °.

It may each comprise a separate locking element both hook elements of the first pair of edges. The two locking elements can protrude in each case with a blocking area in the displacement distance of the hook elements here. Further, the two vertical locking elements while the joining movement of the hook elements of two panels to be automatically moved out of the displacement distance to release it, and in the hooked state of the hook elements being by spring action automatically back into the displacement distance and movable against each other. According to the invention, the guide may in the joining movement over the displacement distance from the or at least its guiding effect from the first introduction position of the hook elements, in which the two vertical locking elements have come together to force effective conditioning, or from the in joining movement to the first guide position upstream or front second guide position. Here, expediently provided that occur during the joining movement, the two first vertical locking elements for the force-effective contact with one another.

Preferably, the holding profile of an intended second pair of edges at an edge have an undercut groove profile and on the opposite edge a complementary tongue profile, which profiles are connected to one another by Einwinkein. This describes a known laying form, are arranged at a distance from the joints of panels of an adjacent row of the contact points of a row of panels. In a new series of a panel is connected by so-called Einwinkein with panels of the previous row. By the term Einwinkein a Fügeart is denoted, in which a new panel with an edge is added to the panels of the previous set, wherein the new panel is added relative to the plane of the preceding row of panels in an oblique plane. takes place the lock of the new panel by means of an angular movement, during which it is pivoted down the new panel into the plane of the panels of the series vorhe- ring. Can thus be effected with the Einwinkein at the second pair of edges, a mating of the first pair of edges in a known manner at the same time by the hook elements of the first pair of edges with swinging down the new panel in a direction to move perpendicularly to the plane of the panels each other and can be hooked in this way. The movement in said vertical plane is a scissors-like movement. It can also be called a folding movement. From the prior art, a plurality of such undercut tongue and groove profiles are known which can be connected by Einwinkein, and therefore are suitable for the novel panel. The known Halteprofilgeomet- rien can therefore be provided at the first pair of edges and combined with the hook member according to the invention on the second pair of edges.

In another embodiment, the holding profile of an intended second pair of edges can be formed as complementary hook elements. Moreover, a separate vertical locking member may be provided at least on one of the hook elements of the second pair of edges. Thus, both pairs of edges may have at least one locking element respectively. Thanks to the guide in this case, such a panel can be connected to other panels by two edges to be connected simultaneously to adjacent panels wherein 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 main motion at the edges of adjacent panels. The joining movement of the panel to be joined can also be substantially perpendicular or perpendicular to the panel plane, alternatively, by the edges are connected together at one time in a low shear agitation or without shearing motion, which is favorable especially for small panels. Further, the panel to be joined in the vertical joining movement can be connected at its three or on its four edges with neighboring, already interconnected panels simultaneously.

Preferably, one of the pairs of edges may be provided with correspondent pondierenden hook elements at least. For this, the hook elements may have as a part of the guide at least one guide element. The guide elements of the two hook elements can be arranged so that they cooperate in the first threading position, the hook elements for guiding the same first of the guide position or the second guide position in the hooked state in and enable the assembly of the hook elements in a continuous joining movement.

Hereby a fundamental, the task of completely solution-send measure is proposed by an early engagement of the hook elements is desired by a structural design in order at the latest to allow a guiding of the hook elements in the hooked state into it, when the vertical locking element to automatically out of the be displacement distance moved to be able to get over the welding length in the joining movement in a force-effective system to the second hook element or to the second hook member disposed on the vertical locking element. This can prevent the hook element without a vertical locking element placement of the hook elements and a divergence and a gap formation described above, by the occurring during the joining movement by virtue of effective contact of the vertical locking element.

As guide elements have different geometries and components can be considered which are joined abgleitend, rolling motion or rolling or interlocking, lead effective. Preferably, the guide elements each have at least one Hinterschneidungsflache. The two undercut surfaces may be arranged so that they over the displacement distance from the first guide position or the second guide position in the hooked state into and at least partially contiguously to each other slide guide effect.

The hook elements may each comprise a hook head which is deposited by means of at least one groove in the edge direction and to form a hook neck of the panel itself in a conventional training. Here, the grooves of two joined panels can be turned in the hooked state to each other so that engages a hook head of a panel in the groove of the other panel and that the Hinterschneidungflachen are disposed on an inner side surface of the groove, respectively, which indicates to the associated panel.

The undercut may be arranged parallel to the displacement distance. In this way, a straight joining in a joining movement perpendicular panel plane is possible. As insertion aid in an upstream joining movement, afferent to the associated Hinterschneidungflache lead-in may be provided on at least one of the cooperating pair of hooks in the holding profiles by means of which the Hinterschneidungflachen can be merged. Preferably, the rear schneidungsflächen are at an acute angle to the joining movement inclined so that the panels are pressed against one another with joining. This may cause the lead in the joining movement over the displacement distance in the first threading position of the hook elements, in which the second hook element for frictional effective system has come to the vertical locking element, characterized becomes effective in that the second hook member with its front in the joining movement range its side facing the joining path end portion slides on the vertical locking element in a complex motion thereto. Simultaneously, the second hook member can move the lock region automatically resiliently from the joining path out and are guided by means of the locking element with its guide element or its Hinterschneidungflache against the guide element or the Hinterschneidungflache of the first vertical locking element so that korrespondieren- the hook elements by means of the guide elements or the Hinterschneidungflachen be performed frontally against each other and the effective area of ​​both panels close together without gaps. This complex movement is dependent inter alia on the inclination of the Hinterschneidungflachen to the welding length and the elastic behavior of the hook elements involved and the vertical locking element.

The undercut can be arranged in the hooked state of two panels on a common unlocking cam and be in contact the undercut surfaces are on the common unlocking cam away from each other and movable towards each other, so that the working surfaces of the panels to each other to take an unlocking position in an angle which is smaller than 180 °.

Thus, a flooring made of such panels are dismantled slight ter again. Typically, the blocking effect of the vertical locking elements must be the same for example by pushing out to be lifted from the corresponding pair of edges or the hook members concerned must be shifted relative to each other in the panel plane and in the edge direction, and thus separated from each other. If the panels of a panel row to be separated from each other, so this row of panels must first be released from the connection with the -benachbarten rows of panels. Then, the panels of the same row of panels can be disassembled from each other by a panel which is connected only at one end within the series, is pivoted at this end upward and the previous panel from which it is to be separated, is not moved. In principle, this movement of the Entriegeins of panels of the same row of panels corresponds to a reverse movement to that which has been written above loading as Einwinkein and by means of which a new panel can be attached to panels of a previous row. Therefore, this movement can be referred to as squaring.

Thus, serving in both cases as a guide faces the undercut. On the one hand this may result in one another with the hook elements the hook elements, that a continuous joining movement is possible in the above described shear agitation for joining the panels and of the respective pair of edges. Second, a re-release of the hook elements can be done by this, the Hinterschneidungs- abgleitend surfaces, can be guided in a direction opposite the movement of the Einwinkein Auswinkeins. The squaring can be carried out by pivoting or sliding-pivoting the second hook member with a pivot axis approximately along the edge at the level of the adjoining land on both panels to dissolving. The two undercut surfaces can be considered in the longitudinal direction of the respective holding profile and a radius extending from the pivotal axis part lateral surfaces.

For easy handling of the panel which may be Vertikalsperr- element resiliently movable. The resilient movability can be produced by spring-elastic properties of the vertical locking element itself or by a separate spring element which cooperates with the vertical locking element. Decisive for the locking member resiliently movable vertical is the blocking function in the direction perpendicular to the panel plane and its suitability for a Einwinkein of panels.

At least for the spring-elastic mobility of a vertical locking member has a plane of movement can be provided, which is arranged parallel to the plane of the panel. A vertical blocking element which is arranged parallel to the plane of the panel in a plane of movement, usually has no spring constant properties along its entire length. However, the parallel to the plane of the panel arranged vertical locking element usually has good strength characteristics at a vertika- len stress of a compound provided therewith. This is because the vertical locking element may be provided with a relatively large cross-section.

Alternatively, it can be provided that a plane of movement is provided at least for the spring-elastic mobility of a vertical locking element, which is arranged perpendicular to both the plane of the panel and perpendicular to the vertical locking element provided with the edge. 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 formed with rela- tively small cross-section. The height of the vertical locking element is not normally exceed half the panel thickness. Common today are vertical locking elements which have a height about the vertical blocking element at the smallest type of panels corresponding to one third of the panel thickness.

The vertical locking element an unmated panel, as described above, protrude with the stop band on the edge of the panel. Further, the second, complementary to the first hook element hooks member may have a recess formed as a groove. In the hooked state of the hook elements at least a portion or part of the stop band may be angled towards the Rastaufnehmung of the complementary hook element or introduced. entge- for blocking the assembled panels gene of the joining movement of the locking element may be in the hooked state anstützen locking effect on an inner side surface that faces having a component in the joining movement. In this connection, reference is made to WO03 / 016654 and in particular to the figures 19, 20 and 25th

For guiding of the hook elements during the joining movement of the panels, the second hook element and the complementary hook element without vertical locking member may have a guide recess for the locking portion in a rear in the joining movement end portion of a facing in the installed position the vertical locking element side. The guide recess may be extended to accommodate the locking portion during the joining movement to the first guide position towards a rear in the joining movement side surface so that at least a front in the joining movement range of the locking portion of the blocking element is receivable in the guide recess. The guide recess may be a bevel in a rear edge joining movement.

Herewith a broad principle, the task of completely dissolving action is described, by which is delayed by a structural design of the occurring during the joining movement first frictional effective contact of the vertical locking element to the complementary hook element without vertical locking member or with the second locking member on the corresponding hook element. This has the constructive advantage that the vertical locking element can be arranged similar to the middle as in WO03 / described 016,654 and the hook of the hook member with the guide members or to the surfaces as Hinterschneidungs- formed guide surfaces less strongly into the hooks of the first hook element for the mutual guidance - must resort. Thus, a strength-determining the smallest cross section of the or of the hook elements can be maximized. It is obvious that both measures described, the surfaces of the provision of guide elements or Hinterschneidungs- and the delaying of the first force effective contact of the vertical locking element with the second hook element or the vertical locking element in the second hook member can be combined.

Advantageously, the guide groove may have an inner profile, which facing in the joining movement the inner side surface of a counter to the joining movement facing the outside surface of the vertical locking element or of its stop band is complementary or substantially complementary.

For guiding of the hook members that inner side surface and outer side surface may be disposed toward at least from the first guide position relative to each other about the joining path to the hooked state that they are each other abgleitbar, wherein they abut each other at least partially. Thus, the danger of a fixed hook or sticking of the vertical locking element or of its stop band in the guide recess can be effectively countered net. In addition, the guide recess and the second hook member can be pressed with its Hinterschneidungsflache approximately perpendicular to the joining movement resiliently against the first hook member and against its Hinterschneidungsflache by means of the spring action of the vertical locking element, whereby a stable guidance of the hook elements in the hooked state achieved together to sliding of the undercut surfaces can be. Thus, it can be provided that the second hook element component by the sliding of inner side surface and outer side surface over a displacement with a Wegkompo- is guided in the panel plane with its Hinterschneidungsflache or with its guide element against the Hinterschneidungsflache or against the guide member of the first hook element, and then about slipping to the undercuts-making areas in the hooked state with the first Hakenele- management continue to be performed. This allows "bypassed" for example, a little flexible vertical locking element be.

In a preferred embodiment of the vertical locking element can be the same, as well as in WO03 / 016654 describes, as Sperrab- cut a resilient snap tab have, extending in the installed position at an acute angle to the displacement distance and a travel component counter to the joining movement. Further, the locking member may comprise a holding portion to its assembly in a retaining groove provided in the first hook part, to which preferably the locking tab immediately follows. The guide recess may be formed by a sheet, extending over the entire length of the edge removal of a rear corner in the joining movement with the formation of the pointing in the joining movement the inner side surface. Hereby, the locking tongue and inner side surface may be disposed in the first threading position approximately parallel to each other.

Basically, the vertical locking element can either be connected via a slight interference fit with the corresponding hook element or via an adhesive connection. A combination of compression connection and adhesive connection is possible. It is sufficient if this press connection determines the vertical locking element captive on the hook member. Under certain circumstances, an interference fit is undesirable because it forces are introduced into the core material of the panel, which lead to an undesirable deformation. This is particularly disadvantageous if this deformation is visible on the finished floor covering, for example, when shape change occurs at the working surface of the panel.

From the publications WO 2006/043893 Al and WO 2006/104436 Al resilient, automatically acting locking elements are known. Those locking elements which exclusively prevent movement apart of the panels perpendicular to the panel plane - vertical locking elements - are basically usable for the present invention. The aforementioned vertical locking elements which are hereby incorporated by reference to the publications WO 2006/043893 Al and WO 2006/104436 Al in the present specification and as a vertical locking element according to the independent claims.

Preferably the locking element is made of plastic and in this case preferably extruded.

It has been found that can hook the hook elements to the user emotional when the vertical blocking element is disposed at the lower resting panel. This also has the advantage that the vertical locking element when it is disposed on the lower panel, is better visible for the user. therefore, it helps if the movement which is initiated by the user caused by the joining movement of the hook elements of the vertical locking element, the user can also be seen.

The handling of the panels can be improved if a hook member for connection to the complementary hook element of an adjacent panel is positioned on a base, wherein the addition of the hook elements of two panels is thereby effected that the positionable on the base panel rests and to the neighboring strip a joining movement is executable, and wherein the vertical locking element is preferably provided on the one hook element, which is located at the edge of the stationary panel. The sake of completeness it should be mentioned that the hook elements of two panels also be connected always when two panels to be joined lie in a common plane. For this purpose, the hook element of a panel is placed in alignment behind the hook element of an adjacent panel, so that the cross sections of the hook elements are exactly aligned in sequence. Then, provided with the hook elements edges are pushed into each other until they overlap to the desired length of the panels. Reference is made to Fig. 44 in the DE 10 2006 011 887, which represents an example of this for this laying method. In this example, the edge 32 of a panel 30b in the direction of arrow assembled aligned with an edge of a panel 30a. It may be necessary at the beginning of the aligned movement, protruding from the edge elastic vertical locking element to press a little and so must be reduced accordingly to fit zoom in the neighboring strip.

The panel according to the invention can for example be designed as a hall, parquet or laminate panel, and consequently either consist of solid wood or comprise a core material. The core material may be a wood material, which is composed of grown wooden parts, such as a rod-shaped pieces of wood, consisting of plywood, a timber made of layers of plywood, or plywood. On the other hand, can be provided as core material and fiber material. This timber is meant, which has been initially cut into fiber pieces, and has subsequently been processed by the addition of binder to a wood-fiber material, such as MDF, HDF, plywood or OSB board. Of course, other materials for a panel according to the invention are suitable, for example, solid plastic or at least plastic as core material. The panel can have up of a grown-fibrous wood material such as solid wood, consisting of or a core material of a fiber-free wood material. If the panel has a core material, this is coated and generally provided with a wear surface with decorative properties.

In the connected state of two panels at least a dust chamber can be provided within the connection of the holding profiles. This ensures that any dirt particles that can get into the connection of the holding profile while laying a floor covering, the optimum position of the associated retaining profiles can not affect. Preferably, the guide recess is formed as a dust chamber. Here- in the dust chamber in the hooked state of the guide recess and a wall of the first hook part is formed. Further, the dust chamber is open at the side as part of the retaining profiles.

The retaining profiles can be partially bent in the connected state of two panels, wherein a clamping force can be generated by the bending force acting parallel to the plane of the panel in a plane. The clamping force can be designed to each other so depending on the desired position of the panels such that the panels to each other forced or held at the desired distance.

Alternatively or additionally, the retaining profiles of two panels in the connected state can be partially bent so that through the bending, a clamping force is generated that acts in a plane perpendicular to the plane of the panel. In this way, associated panels may be positioned relative to each other in height, that within the retaining profiles forced against each other existing or contact surfaces can be kept at the desired distance.

Conveniently, the vertical locking element of two panels in the connected state, a clamping force generated, wherein the clamping force acts in a plane which is parallel to the plane of the panel. Depending on requirements, a forcible imposition of the panels against each other or the setting of a desired distance between the panels can be effected by the resiliency of the vertical locking element.

Alternatively, or in addition to the vertical locking element of two panels in the connected state, a clamping force generated, wherein the clamping force acts in a plane which is arranged perpendicular to both the plane of the panel and perpendicular to the provided with the vertical locking element edge. In this manner, the panels can, depending on the direction of the clamping force of the vertical locking element as needed with either a Kraftkom- component are applied, which forces a panel relative to the associated panel perpendicular to the plane of the panels up or down.

There is provided a floor covering having a variety of compatible panels of the type described above, which are connected to each other.

Below, several embodiments of the invention with reference to several fragmentary representations of panels are described in detail. Show it:

1 shows a perspective top view of a floor covering having two rows of panels, in which a new panel is angled towards,

Figures 2a to 2e are sectional views of five embodiments of einwinkelbare holding profiles of a second pair of edges of the panel,

Figure 3a is a cross sectional view of a first embodiment of a retaining profile connection with a hook element pair and a separate vertical locking element,

3b shows a section IHb according to FIG 3a,

4a shows a cross-sectional view of a second exemplary embodiment of the holding profile connection, Figure 4b shows a detail IVb of FIG 4a,

Figure 5 is a cross-sectional view of a third embodiment of the holding profile connection,

Figure 6 is a cross-sectional view of a fourth exemplary embodiment of the holding profile connection,

Pairs of figures 7a, 7b to IIa, IIb and Figures 12 to 15

each in a cross-sectional view respectively another embodiment, and thus a total of the fifth to fourteenth embodiments of the holding profile connection with a hook element pair and a separate vertical locking element, which are connected by a joining movement in a substantially arranged perpendicularly to the panel plane motion plane connected on the one hand and on the other hand hooked by means of a pivoting movement about edges are unlocking Gelbar,

Figure 16 is a side view of a first embodiment of a vertical locking elements according to Figures 3a to 9b,

Figures 17a and 17b are a plan view and a cross-sectional view of a second embodiment of the Vertikalsperrele- elements according to the figures 10a to IIb and

Figure 18 is a cross-sectional view of a third embodiment of the vertical locking elements according to FIGS 12 and 13. FIG.

1 shows a floor covering begun B of the present invention, similar here panels 1, 2, 3, 4 and 5 is shown in two neelreihen patent.

The panel 2 of the invention has a quadrangular shape. It is provided with a working surface N. Retaining profiles 2a, 2b, 2c and 2d are arranged at the four edges of the panel. 2 The panel 2 has two pairs of edges. Each edge pair is formed of two opposite edges, which are provided with correspondent exploding retaining profiles. In the present example, the panel 2 comprises two parallel long edges 2a and 2b and two short edges 2c and 2d, which are opposed to each in parallel. the same is connected to other panels 1 and 3 on the short edges 2c and 2d of the panel 2, which lie in the same row Rl. The indexing of the edges shall apply to other panels 1, 3, 4 and 5 in the same manner. On the long edge 2b, the panel with the panels 4 and 5 of the following row of panels R2 is connected. At each moved Paneelrei- he a new set of panels can be added in each case. This is preferably done in a gradual build-up of a new row of panels by attachment of individual panels.

Figure 1 also shows how the panel 5 neelreihe Rl is connected as a new panel by Einwinkein with the panels 2 and 3 of the previous patent. 5 is shown the new panel in a plane that is disposed obliquely to the plane of the panels 2 and 3 of the previous panel row 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 Rl. The clips on the long edges interengaging retaining profiles of the first pair of edges are locked automatically by pivoting down the new panel 5 in the plane of the panels of the previous row Rl together. The retaining profiles of the long edges of the panels then prevent movement apart of the panels in the common plane, perpendicular to the long edges.

At the same time Einwinkein also causes a connection of the short edge 5c of the new panel 5 with the short edge 4d of the already lying in the same row of panels R2 panel 4. By Einwinkein a scissor-like movement takes place on the short edges 4d / 5c which the 5c short edge of the new panel 5 on the short edge 4d of the lying panel 4 moves. In connection with the locking of the short edges of the Einwinkein is also called the folding movement.

2a to 2e show forms of retaining profiles, which are known from the prior art, and which are suitable for Einwinkein.

Usually, a groove edge A of the panels of a previous row is provided for connection of a following row of panels. Therefore, usually a spring provided with a B edge of a new panel is in each case attached to the groove edge of the panels A of the previous set, wherein the new panel is placed in an inclined plane, as shown in FIG. 1 The groove edge, at least one each Hinterschneidungsflache Al and the spring edge depending on a Hinterschneidungsflache Bl, which counteract the locked state, a moving apart of the panels in the panel plane, perpendicular to the locked tongue and groove edges A / B. An upper surface of the panels 1 to 7 is provided with a working surface N.

The panels 1 to 7 according to FIGS 1 and 2 and the panels 6 and 7 according to the figures 3a to 15 comprise a core material made of a wood-fiber material. The retaining profiles are milled at the edges, which may consist of the core material or have a particular edge material.

In the figures 3a to 15 holding profiles in the form of hook elements 6a and 7a are illustrated in connection with at least one separate vertical locking element. 8 These hook elements 6a and 7a are arranged extending through a scissors-like movement (folding movement) together with a similar neighboring strip 1, 2, 3, 4 and 5, at least on the one pair of edges of a panel 1, 2, 3, 4 and 5 of FIG. 1 leaves. All examples of hook elements of the figures 3a to 15 are thus suitable for the edges 2c / 2d of the panel 2 of Fig. 1 or for the hooking edge to 4d / 5c of gleicharti- gen panels 4 and 5 of FIG. 1.

However, the use of the hook elements 6a and 7a of the figures 3a to 15b for a scissor-like joining movement m is not the only possible Fügeart, as will be explain below.

All embodiments according to the figures 3a to 15, the preferred Fügeart is common, according to the above shown in the figures, the new panel is moved up by a scissors-like movement of an image represented in the figures below, already-laid adjacent panel 6 7, wherein the facing hook elements 6a and 7a are entangled with each other. For this purpose, the hook elements to hook necks 6a and 7a 6.1 and 7.1 and the hook heads 6.2 and 7.2. Thus, the panels are not moved apart in the plane of the panel, perpendicular to the hooked edges 6 and 7, the hook member 6 is provided with a Hinterschneidungsflache 6b which cooperates with a Hinterschneidungsflache 7b of the panel. 7 The panels 6 and 7 are only fragmentarily shown in sectional view. the useful surface of an N-facing hook element is always referred to as upper hook element 7a and the complementary thereto hook member according to its position as the lower hook element 6a following disadvantages.

The scissor-like relative movement of the hook elements 6a and 7a in the figures 3a to each other to 15 by at least two positions I and IV clarified, which occupies the upper hook element 7a via a joining path M relative to the lower hook member, said lower hook member 6a with respect to an in Figures remains stationary base not shown. Here, the position I, shows the upper panel 7 in an unbonded in the cutting area with the bottom panel 6 is state wherein the top panel is shown in this position by a dashed line. The position IV, in which the upper panel 7 is shown by a solid line, gives the hooked state of the hook elements 6a and 7a again, in which the vertical locking element 8 is automatically engaged and release of the hook elements 6, 7 opposed to opposite to the joining movement m. In this position, the land N of the panels 6 and 7 at an altitude. A load of the effective area N in the region of the upper hook element 7a presses a Auflageflä- che 7w of the upper hook element 7a to a support surface 6w of the lower hook element βa. In the hooked state of the hook elements 6a / 7a are 7w bearing surface and supporting surface 6w in contact so that no difference in height because of a cavity between Aufla- geflache 7w and airfoil can arise 6w. In addition, as shown in FIG. 3a with dotted line, in the bearing surface 7w a dust chamber region S may be provided. This applies to all in the figures 3a to 15 illustrated embodiments.

In addition, 4a and 5 the upper panel 7 shown in the position II, in which the upper hook member has come 7a during the shearform here joining movement meters above the displacement distance M to over the displacement distance M first force effective contact with the vertical locking element 8 is shown in Figures 3a ,

According to the invention, a guide 9 is provided in the hooked state into interengagement guiding the hook elements 6a and 7a, which in the joining movement meters above the displacement distance M from the position II of the upper hook element 7, in which the upper hooking element 7 to the force effective contact with the vertical locking - has come element 8, is leadership effective. The hook elements 6 and 7 are, as illustrated in more detail below, by means of the guide 9 and by means of a force having a force component K perpendicular to the panel plane or perpendicular to the working surface N of already laid panels 1 to 6 in a continuous joining movement m from the position I in the hooked state (position IV) into feasible. Here, the position II is equal to a first guide position F. The guide may also be designed so that they are second in the first guide position F in joining movement m upstream and not shown here introduction position or from an in joining movement to the first guide position upstream or lead position is implementing effective.

In the following, only the operations, in which the guide 9 is applied to the joining movement m the hook elements 6, 7, will be explained with reference to in Figures 3a to 6 shown four exemplary embodiments:

In the first embodiment of the holding profile connection are the undercut surfaces 6b and 7b, except for rounded transitions to the adjacent faces, one end face 6v and the carrier surface 6w and a throat area 7v and the bearing surface 7w, perpendicular to the working surface of the associated panel 6 is disposed. 7 For guiding of the hook elements 6a and 7a of the hook head 6.2 of the lower hook element 6 is dimensioned so that it rests in the position II and thus in the first guide position F, 6e with its Hinterschneidungsflache force effective on a Hinterschneidungsflache 7e of the upper hook element. 7 This is illustrated in Figure 3b, a cut-IIIb of FIG 3a, illustrated schematically. the undercut surfaces 6e and 7e on one another via the further displacement distance M from the first guide position F to position IV, in which the land N of the two panels 6, 7 lie in a plane slide.

The lower hook element 6a has a joint surface b, which is in the hooked state, with a joint surface of the upper c Hakenele- ments in contact. ensure against each other butted joint surfaces b and c, the surface of a floor covering B is uninterrupted because the effective area N of a panel directly adjoins the working surfaces of the N neighboring panels. Of course, the corners can geflächen between the R & D b and c and effective area N also contemplated or be rounded.

Between the free outer edge of the lower hook element 6a and the back seat of the outer edge region of the upper hook element 7a is provided for a gap 1 hen in the hooked state. During assembly of the hook elements 6a / 7a the resilient automatic engagement of the vertical locking element 8 is well felt by the user because it is the only resistance which the joining movement is opposed m brought to the welding length M. According to Figure 3a and Figure 16, the vertical locking element 8 as a blocking area Sp an elastically resilient snap tab 8a which is resiliently movable in the cross-section shown in Figure 3a plane. Further, the vertical locking element 8 comprises an insertion portion 8b, with which it sits in a recess 6c is provided for this purpose on the edge of the hook member 6a. In the present case the recess 6c is formed in two stages with a narrow and deep portion and a wider range with a lower depth. At the opening of the recess 6c, the latching tab protrudes 8a of the vertical locking element 8 projecting from the edge of the hook member 6a. The insertion portion 8b of the vertical locking element 8 is arranged in captive fashion in the hook element 6 of the panel. 6

The vertical locking element 8 protrudes into the guide position F, nor with its elastic latching tongue 8a in the welding length M of the hook elements 6a, 7a into it, is moved with its latching lug 8a during the further joining movement automatically from the displacement distance M to release them, and in the hooked state of the hook elements 6a, 7a by means of spring action moves automatically back into the displacement distance M in an opening provided in the hook head recess 7c in 7.2, with the latching tongue 8 is supported with its free end on a latching surface of the latching recess in d 7c. Thus, the Hinterschneidungsflache 6e and 7e guide elements of the guide 9 for guiding the hook elements 6a and 7a on the displacement distance M from the first guide position to the position IV, in which the hook elements 6a and 7a are in a hooked state. From the illustrated geometries is immediately apparent that the vertical distance of the vertical locking element 8 of the effective area N or from the Auflageflä- che 7w, as well as the formation of the locking tab 8a and generally its stop band Sp the necessary vertical extent of the hook head 6.2 or the undercut surfaces 6e and 7e determine, so that the guide 9 in the joining movement meters above the displacement distance m leadership may be effective at least approximately from the first guide position. Thanks to the invention guide 9, it is possible that the top panel 7 is lowered, with its hook element 7a perpendicular to the useful area N, and is connected in one step and in a continuous joining movement over the entire length of profile of the hook element 7a with the hook member 6a. This makes it possible that the panel 7 can also be connected simultaneously, for example, two, three or four neighboring, already interconnected panels. When a shearing motion is present, in which are pivoted to be connected to retaining sections over its length and is connected, it is obvious that the guiding front in shearing motion already interengaging hooked portions of the holding profile with the vertical locking element 8 on the rigidity thereof on not erfass- th of the leadership, the relative position of directly like holding profiles can impact in shearing motion rear portions. the same can also be simultaneously connected to two adjacent, already interconnected panels over the shear movement of the panel 7 by the panel assumes the heavy movement from a common vertex of two of its edges or attaches to a same side of two parallel edges.

Similarly, the hook elements 4a are shown in figure 6a and 7a hooked together. Here, the vertical locking element 8 is arranged in the same level as in figure 3a in the unte- ren hook member 6a. Deviating from the shown in Figure 3a hook elements 6a and 7a of a guide groove 7k for receiving the locking tab is provided 8a of the vertical locking element 8 according to Figure 4a 7a in the hook member. The guide groove 7k includes a pointing in the joining movement m inner side surface 71 which has approximately the same slope as an opposing joining movement facing outer side surface 8n of the latching tab 8a. Here, the guide groove 7k is a simple folding surface of the front in the direction of movement the free edge of the hook head 7.2. Thus, the two surfaces are Seitenflä- 71 and 8a in the illustrated in Figure 4a and-dotted position II of the upper hook element 7a to each other. The undercut surfaces 6e and 7e are arranged like in figure 3a perpendicular to Flooring N. The guiding recess 7k also forms a dust comber Sl.

In this position, hook element 7a and vertical locking element 8 in an over the joining movement m the first force-effective system (Figure 4b), as the locking tab can be received over the displacement distance M from the guide groove 7k, in comparison with the embodiment according to figure 3a via the joining M is off will be delayed and thus delayed. This has the consequence that the hook head must be 6.2 smaller dimensioned in the vertical direction, so that in the first guide position F (position II in Figure 4a) 6e with its Hinterschneidungsflache guide effectively applied to the Hinterschneidungs- surface 7e of the hook element 7a. To obtain a delay of the first force-effective system of vertical locking element 8 and hook member 7 via the displacement distance M, the vertical locking element 8 placed in its vertical position further downward also, or additionally, may be arranged, which, however, the receiving the blocking force wall between an oblique latching surface d of the recess 7c and 7w of the support surface is reduced unfavorable circumstances.

Figure 5 shows a cross-sectional view of a third embodiment for a holding profile connection with vertical locking element 8 and hook elements 6, 7, in which, unlike the previous one, the undercut surfaces 6e and 7e have a slight inclination to the vertical and enclose with this an angle μ. This is known, allowing easier engagement of the hook elements on the displacement distance M. Further, the hook elements with the joining movement in the interlocked state according to position IV in against each other according to the principle of the inclined plane, so that their joint surfaces b and c can tightly abut each other. This has, as shown below, is dependent on the change in inclination of the joining movement meters above the displacement distance M result. In the Pictured in Figure 6 embodiment of a retaining profile connection is provided, the undercut surfaces 6b, 7b 6a and 7a to arrange the hook elements, that they are an unlocking V, the function of which will be discussed in the following examples. As is directly read from the figure, the undercut surfaces are inclined 6e and 7e total more toward the horizontal. This can be a complex joining movement as in Figure 5, and particularly as in Figures 3a and 4a have the result.

In Figure 6, II and IV have a position III of the hook member 7 is in addition to the position I, shown which is arranged between the positions II and III and in which the hooking element 7 is already led over a portion of the joining path M using the guide. 9 In position II, in which the second hook member for force-effective system has come to the vertical locking element, the guide is thereby effectively that the upper hook element 7 with its inner side surface 71 starts on the outside surface 8n of the vertical locking element 8 in this here slipping, while the snap tab 8a depending on the stiffness of the hook element 7 and possibly the previously more on the joining path M moving sections of the retaining profile and is automatically pushed out resiliently from the joining path M of its own rigidity. Here over the hook element 7 against which the Hinterschneidungsflache guided with its Hinterschneidungsflache 6e 7e of the lower hook element 6a (position III). To the undercut surfaces 6e and 7e further abgleitend, the hook member is guided 7 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 Hinterschneidungflachen to the welding length and the elastic behavior of the hook elements involved and the vertical locking element, the drawn position III only exemplary and not intended to be an exactly as occurring position.

The following examples are / llb reproduced in FIG pairs 7a / 7b to lla, wherein the indexed with a figures, the assembly of the hook elements 6, 7 in the positions I and IV and with b indexed figures unlocking of the hook elements 6, show. 7

Which differ in Figure 7a illustrated hook elements 6, 7 from those shown in Figure 6 only in that the gap 1 is missing and instead a contact of the edges is provided. According to figure 7a have the hook elements 6a / 7a namely undercut contact surfaces 6d / 7d, which is formed so excluded that during the vertical joining movement in FIG. 7a is a coercion and elastic deformation required to bring the contact surfaces in the illustrated contact position , in turn, the guide 8, the guide recess on 7k, so that the guide of the hook elements 6, 7 takes place in the same manner as previously explained.

In order to separate the connected state shown in Figure 7a again, the entangled in FIG 7a panel 7 is pivoted as shown in FIG 7b in an inclined position and brought into a release position. The pivoting movement is effected parallel to the arranged with the hook elements 6a / 7a pivot about an axis or on an unlocking V, which are circular in the present embodiment. In the unlocking position the working surfaces take N of the two panels 6 and 7 form an angle ß a less than 180 °. It is sufficient if the purpose of unlocking swung-panel 7 is as far pivoted upwards that the undercut surfaces 6b, 7b of the hook elements 6a, 7a, which prevent in the panel plane, perpendicular to the hooked edges to move apart the two panels 6 and 7, are each slid by the swinging so far over that Hinterschneidungs- flat 6b, 7b are out of contact. Then the panel 7 can be easily taken away.

The undercut surfaces 6b, 7b of the hook elements 6a, 7a have in the present case a cylindrically curved shape. However, it is also possible to provide planar or oppositely curved undercut surfaces. The reciprocating terschneidungsflächen would then may be subject to elastic deformation when the panels are moved from a flat position to the position shown in FIG 7b unlocking position. 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 against each other to achieve the unlocked position shown in Figure 7b without appreciable elastic deformation over. The contact surfaces 6d, 7d are subject to a lower wear than during the joining movement.

In addition to the occurring gap 1, the hook elements differ 6, 7 of which horizontal in figures 7a, 7b in particular in the number of undercut surfaces of the hook members (moving apart of the panels in the panel plane, perpendicular to the interlocked edges in Figures 8a and 8b prevent). According to FIG 8a 6a and 7a two undercut surfaces 6b and 6e and 7b and 7e are provided on each hook element, the Vl and V2 are arranged in two Entriegelungskurven. to be provided by the measure of each of the hook elements 6a and 7a with two successive undercut surfaces, a higher strength against a movement apart of the panels 6 and 7 in the horizontal direction and indeed achieved perpendicular to the hooked edges.

In Figure 8b, the unlocking of the hook elements 6a, 7a by the formation of the undercut surfaces 6b, 6e and 7b, 7e on the locking curves Vl and V2 is easily possible.

Figures 9a and 9b show an embodiment of hook elements 6a and 7a, 7a provide the vertical locking element 8 on the upper hook element. The hook elements 6, 7 are in turn interconnected by a scissor-like joining movement. The vertical locking element 8 is arranged in a recessed from the outer edge of the upper panel 7 area and cooperates with the outer edge of the bearing the lower hook member 6a panel 6, with its latching tab 8a extends counter to the joining movement m. At the outer edge of the lower hook element 6a is a Rastausneh- mung 6f with the inclined locking surface provided d. When the upper hook element 7a is lowered from the position shown by dashed lines I to the lower hook element 6a, the resilient snap tab 8a is first automatically pushes back by contact with the lower hook element 6a from the displacement distance M. When the hook members have reached their in Figure 7a illustrated locked position, the resilient snap tab 8a is automatically emerged back into the displacement distance M by being sprung into the space formed by the recess 6f free space in and against the locking surface d. The arrangement of the vertical locking element 8 in the upper hook element 7, a kinematic reversal is carried out. Therefore, delay 8 by a force kalsperrelement effective contact of the lower hook element 6a with the Verti-, now a guide groove 6k provided in the hook head 6.2 of the lower hook member 6 for receiving the locking tab 8a in the not explicitly shown here, the first guide position.

According to figure 9b 6a and 7a have the hook elements to interlock in the plane of the panel and perpendicular to the hooked edges (horizontal) cooperating undercut surfaces 6b or 7b. This undercut surfaces 6b / 7b are arranged on an unlocking V. To release the hook elements 6a and 7a of each other, the panel 7 is pivoted to the upper hook element 7a to the hooked edges around upward and brought into a release position. In the unlocking position, the working surfaces have N of the panels 6 and 7 form an angle ß of less than 180 ° to one another.

The embodiment of Figures 10a and 10b corresponds largely to the embodiment according to figures 7a and 7b but showing an alternative vertical locking element 8 is provided in the same installation location. The vertical locking element 8 is bendable in the manner of a leaf spring and is also configured such that it can be automatically pushed out of the welding length M of the upper hook elements 7a and thereby absorbs spring energy. If the two hook elements 6a and 7a reaches the position shown in Figure 9a locked position, the vertical locking element has been automatically produced 8 is moved by means of the stored spring energy back into the displacement distance M and enters a latching recess 7c of the hook element 7a.

The vertical locking element 8 is arranged in a plane parallel to the working surface of the panel 6 N level. For this, a groove-shaped recess 6h is provided on the lower hook element 6a. The recess 6h extending along a recessed portion of the edge of the lower hook element 6a. In this parallel to Flooring N level, the resilient movement of the vertical locking element 8 takes place. In the recess 6h the vertical locking element 8 is parallel to the plane of the panel and that is substantially perpendicular to the spring movable panel edge. It protrudes into the displacement distance M of the upper hook element 7a in the relaxed state. 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 light sliding fit. A clamp is thus prevented. The vertical locking element 8 has an inclined outer side surface 8n, which serves as a contact surface for the upper hook element 7a. When the upper hook element 7a abuts on its displacement distance M against the inclined outer side surface 8n, the leaf spring-like vertical locking element 8 is elastically deformed and moved in the direction of the slot base of the recess 6h. In this way, the displacement distance for the upper hook element 7a pass is released.

Figure 10b is removable, that the alternate vertical locking element 8 also tet an easy unlocking warranty by the provided with the upper hook element 7a panel 7 is pivoted on an unlocking V in an unlocking position in which the working surfaces N of the panels 6 and 7 to each other a angle ß smaller take 180 °.

In the illustrated in FIGS IIa and IIb example, a vertical locking element 8 according to the previous example, is also used, but which is here arranged in the upper hook elements 7a and kinematically vice versa. The vertical locking element 8 is no longer arranged on the recessed edge of the lower hook element 6a but at the free harshest operating 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 shown in Fig. 10a. The oblique outer side surface 8n of the vertical locking element 8 is shown in FIG. IIa on the effective area N side facing away from the groove-shaped recess arranged 7h for the purpose of kinematic reversal, so that they initiated by contact with the lower hook element 6a through the vertical joining movement in the horizontal direction in the groove-shaped recess 7h is pressed and spring-energy stores. Into the first introduction position a guide for each home run of the hook elements of the second pair of edges in the interlocked state to allow inside, the hook head 6.2 of the lower hook element 6 extends sufficiently far toward the floor space. If the two hook elements have come to the position shown in FIG IIa locked position IV 6a and 7a, the vertical locking element has been automatically produced 8 moves back into the displacement distance M by the stored spring energy and enters a latching recess 6f of the hook element 7a.

With reference to FIG IIb is shown that also in this examples play the panel with the upper hook element 7a along an unlocking can be swung so that an unlocking position is reached, in which the working surfaces N of the panels 6 and 7 ß an angle occupy one another, is smaller than 180 °. 12 shows an embodiment which is approximately equal to the embodiment according to Fig. 3a. another embodiment of the vertical locking element 8, it is provided only. The vertical locking element 8 should be returned to the same installation arranged on the lower hook element 6a. For locking against movement apart of the panels 6 and 7 in the panel plane, perpendicular to the hooked edge, the hook elements are provided with cooperating undercut surfaces 6b and 7b, respectively 6a and 7a. The vertical locking element 8 has serration-shaped or arc-shaped protruding resilient contact means 8d having a blocking effect in the vertical direction, namely cause perpendicular to the panel plane by 7a release the joining path M for the upper hook element 7a under a back pressure of the upper hook element, after removal of the backpressure itself automatically move through spring energy stored and returned to the joining path, these obstructing, emerge. The contact means 8d are arranged at a recessed region of the edge of the lower hook element 6a. Further, the vertical locking element 8 has two mounting sections 8e, which approximately correspond to the fitting according to Fig. 3a. groove-shaped recesses are provided in the lower hook element 6a 6i for the insert portions 8e. The insert portions 8e of the vertical locking element 8 can thus be received in the groove-shaped recesses 6i that they can be moved back and forth therein. Thus they contribute to the joining path M release times and to block again. On the other hand, the insert portions 8e can be fixedly connected to the groove-shaped recesses 6i, for example by a press connection because of excess and / or by an adhesive in the groove-shaped recesses 6i. It is also advantageous if only one of the insert portions 8e is fixed to in the groove-shaped recesses 6i and the second insertion portion 8e in its groove-shaped recesses 6i is movable.

Between each of the contact means 8d and the edge at which the vertical locking element 8 is mounted, a clearance is provided 8f. Get out of the welding length M of the upper hook element 7a to move the projecting contact means 8d out, the contact means 8d are automatically pressed against the edge of the lower hook element 6a. In this case, the contact means are resiliently deformed 8d and pressed into the mentioned clearances 8f. The spaces shrink as a result. In the embodiment illustrated in Figure 13a locked position of the hook elements 6a and 7a of the contact means 8d are produced moved resiliently again and engage in corresponding recesses 7i, which are intended at the outer edge of the upper hook element 7a. The lying behind the contact means 8d clearances 8f are enlarged again in the locked state of the two hook elements 6a and 7a.

Figure 13 shows an example, arranged in the at each hook element 6a and 7a, a vertical locking element. 8 Both vertical locking elements 8 are 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 undercuts dung surfaces 6e and 7e are in both embodiments according to FIGS 12 and 13 respectively on a locking curve V, an unlocking of the hook elements 6, 7 may be carried out as previously described.

Figures 14 and 15 each show an embodiment with panels 6 and 7, which largely correspond to the panels of the exemplary example of the figures 8a and 7b, respectively, again in each case a guide groove 7k is provided to the hook elements. 7 Different is only the vertical locking element 8 and a recess 6i which is provided in the lower hook member 6a for receiving an insertion portion 8e of the Vertikalsperr- elements. 8 Further, each of the hook heads 7.2 extend further toward the N usable area.

The particular vertical locking element 8 is arranged on the same mounting point on the lower hook element 6a as the vertical locking element 8 in Fig. 6a. In order to lock the panels against Auseinan- 6 and 7 because of rough in the panel plane, perpendicular to the hooked edge, the hook elements are provided with undercut surfaces 6b and 6e 6a and 7a, the zusammenwirken- with undercut surfaces 7b and 7e to. The vertical locking element 8 has a projecting trespassing resilient contact means 8d having a blocking effect in the vertical direction, namely causes perpendicular to the panel plane in which it is the welding length M for the upper hook element 7a 7a release under a back pressure of the upper hook element and after removal of the back pressure by moving spring energy stored automatically and re-emerge in the joining path M and blocked him. The vertical locking element 8 receives its resilient property by two spring means 8n, which project laterally from the insertion area.

Figure 16 shows an enlarged view of the cross section of a vertical locking element 8, as it can find in the embodiments according to Figures 3a to 9b use. The vertical locking element 8 has an insertion portion 8b which is provided with anchoring means. By inserting the vertical locking element 8 is 6a and 7a can be inserted into a recess 6c and 7f of a hook member. A connection between the insertion portion 8b of the vertical locking element 8 and the recess 6c and 7f of the hook element 6a and 7a may be based on a press connection or on the use of an adhesive. The anchoring means of the insertion portion 8b have a contact surface 8g abutting 6c and 7f of a hook member in the assembled state on a side wall of the recess. The anchoring means of the Einsetzab- section 8b have on the contact surface 8g opposite side juxtaposed projecting retaining elements on 8h. Between the holding elements 8h interspaces 8i are provided. If the insertion portion 8b via a press connection with the recess 6c and 7f is to be connected, the recess must be 6c and 7f carried out with a smaller width than the insertion portion 8b of the vertical locking element 8. This results in at the contact points at which the holding elements 8h with the recess 6c and 7f of the hook element 6a and 7f are in contact, a high surface pressure and an elastic deformation of the mutually contacting materials. In this way, the vertical locking element 8 is captively attached to the hook member 6a and 7a. If a press connection is undesirable, the recess may be designed with a width which is greater than the width of the insertion portion 8b of the vertical locking element 8. The insertion portion 8b can then by introducing an adhesive but with the recess 6c and 7f are connected. It is of advantage that the intermediate spaces may form a reservoir for adhesive between the holding elements 8h of the insert 8b 8i.

Against the contact surface 8g an inclined surface 8j closes at the free end of the insertion portion 8b. This inclined surface 8j serves to insert the insertion portion 8b during installation easier in the recess 6c and 7f. 8j by the inclined surface is achieved that the free end face of the insertion portion 8b, the width of the opening of the recess 6c and 7f has a significantly smaller width than so that the insertion portion 8b therefore easily 6c and 7f fits into the opening of the recess. At the opposite end of the inclined surface 8j a laterally projecting shoulder 8k adjoins the bearing surface 8g of the insertion portion 8b. The shoulder in the mounted state has 8k contact with a floor of a wider range of the recess 6c and 7f of a hook element 6a and 7a. In the embodiment of Figure 16 the shoulder 8j serves to limit the insertion depth of the vertical locking element 8 in the recess 6c and 7f. a distance to the bottom of the recess is, however, 6c and 7f provided at the free end of the insertion portion 8b. At the shoulder 8k a support surface includes at 8m, which is approximately parallel to the abutment surface 8g oriented. The support surface has 8m according to the present embodiment, contact with the lateral wall of the broader range of the recess 6c and 7f of the hook element 6a and 7a. It serves to absorb forces which are introduced into an obliquely projecting resilient snap tab 8a. The free end of the latching tongue 8a that side of the vertical locking element 8 faces on which the retaining elements are arranged 8h of the insertion portion 8b. The latching tongue 8a has two side surfaces, an outer side surface and an inner surface 8n 8p on. Between the supporting surface and the outer side surface 8m 8n of the locking tab 8a an obtuse angle is formed. 8p on the inside of the locking tab 8a 8r an indentation is provided at the foot end. The indentation 8r reduces the cross section of the foot of the latching lug 8, thereby to promote a resilient deflection of the snap tab 8a in the direction of the insertion portion 8b.

The vertical locking element 8 is presented as extruded part manufactured and processed by the meter. therefore blocking element pieces must be separated from the piece, in order to equip a provided with a hook element edge with a vertical locking element 8 of corresponding length. is low, a vertical locking element 8 cut to length somewhat shorter than the edge of the respective panel, in order to avoid a supernatant 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 of FIGS 10a to IIb. It is in the form of a flexible leaf spring which, when disposed in a recess 6h 7h or a hook member 6a and 7a having a maximum spring travel f. On one side of the vertical locking element 8 an inclined outer side surface 8n is provided which extends in the vorliegen- embodiment, over part of the length L of the vertical locking element. 8 A cross section of the vertical locking element 8 is shown in Figure 17b, in which also the maximum spring travel is specified f.

Another vertical locking element is shown in Figure 18, which is used in the examples of FIGS. 14 and 15 It has two contact means 8d. The contact means 8d are arranged in a direction perpendicular to the panel plane plane and are laterally projecting from the edge of the hook member 6a and 7a. The contact means 8d have federelasti- see properties. The vertical locking element 8 is provided in recesses or 6i 7y of a hook element 6a and 7a. Which faces in the mounted state of the panel edge side of the contact means 8d is partially supported on a contact surface of the panel edge. Between the contact means of the contact surface 8d and 8f free spaces are provided. The free spaces 8f provide a spring travel f by which the contact means 8d can be pushed back against the contact surface of the panel edge from its protruding position.

Akzenta panels + Profile GmbH 56759 Kaisersesch

Panel, floor

LIST OF REFERENCE NUMBERS

1 panel

2 panel

2a long edge

2b long edge

2c short edge

2d short edge

3 panel

4 panel

4d short edge

5 panel

5a long edge

5c short edge

6 panel

6a hook element

6b Hinterschneidungsflache

6c recess

6d contact surface

6e Hinterschneidungsflache

6f recess

6g protruding contact element

6h recess

6i recess

6y recess

6k guide recess

61 inside surface

6v face hook neck 6.1

6.2 hook head

7 panel

7a hook element

7b Hinterschneidungsflache

7c recess

7d contact surface

7e Hintersehneidungsfläche

7f recess

7g catch surface

7h recess

7i recess

7y recess

7k guide recess

71 inner side surface

7v throat area

7w Auflägefläche

7.1 Hook neck

7.2 hook head

8 vertical locking element

8a snap tab

8b insertion

8d contact means

8f clearance

8g contact surface

8h retaining elements

8i gap

8j sloping surface

8k shoulder

8m support surface

8n outside surface

9 guide surface b joints

C seam face d latching surface

1 m gap joining movement

A groove edge

al undercut

B Spring edge

bl undercut

B Flooring

K force component

L length

M joining path

N useful surface

rl panel row

R2 panel row

S dust Kammer area

Sl dust Kammer

V retiring cam

Vl retiring cam

V2 unlocking cam angle ß μ angle

Claims

Panel, floor, patent claims
1. panel (1, 2, 3, 4, 5, 6, 7) having a working surface (N) and having four edges (2a, 2b, 2c, 2d, 4d, 5b, 5c) corresponding retaining profiles, of which opposite pairs of edges have so similar panels (1, 2, 3, 4, 5, 6, 7) on all four edges (2a, 2b, 2c, 2d, 4d, 5b, 5c) comparable are bindable, wherein the holding profile of a first pair of edges as complementary hook elements (7a 6a), a first hook element and a second hook member are formed so that at each of the hook elements (6a, 7a), a similar neighboring strip (1, 2, 3, 4, 5, 6, 7) WE sentlichen by a joining movement (m) is connected, taken in a plane of movement perpendicular to the plane of the panel (1, 2, 3, 4, 5, 6, 7), with the proviso that at least (on one of the hook elements 6a , 7a) of the first pair of edges, a separate vertical locking element (8) is at least provided, which (with a blocking area in the welding length M) of the hook elements (6a, 7a) protrudes, said Vertik alsperrelement (8) during the joining movement (m) of the hook elements (6a, 7a) of two panels (1, 2, 3, 4, 5, 6, 7) automatically from the displacement distance (M) can be moved out in order to release them, and hooked state of the hook elements (6a, 7a) by means of spring action automatically in the displacement distance (M) movable into, characterized in that a guide (9) cause the hook elements to into one another (6a, 7a) of the second pair of edges (7) in the hooked state is provided in that the guide (9) in the joining movement (m) over the displacement distance (m) from a first introduction position of the hook elements (6a, 7a), in which the second hook member (7a) for the force-effective system to the vertical locking element (8) has come, or from an in joining movement (m) to the first introduction position upstream or front second guide position management effective and that the hook elements (6a, 7a) by means of the guide (9) and by a force with a force component (K) perpendicular to r panel plane in a con- tinuous joining movement (m) can be guided in the hooked state into it.
chnet 2. Panel according to claim 1, characterized characterizing ge zei that both hook elements (6a, 7a) of the first pair of edges in each case a separate vertical locking element (8), which with a blocking area in the displacement distance (M) of the hook elements (6a, 7a) protrudes, with the two vertical locking elements (8) during the joining movement of the hook elements (6a, 7a) of two panels (1, 2, 3, 4, 5, 6, 7) automatically from the displacement distance (M) are movable out to release them, and in the hooked state of the hook elements (6a, 7a) first by spring action automatically in the joining path (m) in and are movable against each other, and that the guide (9) in the joining movement (m) over the displacement distance (m) at least from the introduction position of Hakenele- elements (6a, 7a) in which the two locking elements have come together to force effective conditioning, or from the in joining movement (m) to the first introduction position upstream or front second guide position management effective.
3. Panel according to claim 1 or 2, characterized ge ISIN zei seframe that the holding profile of an intended second pair of edges at an edge of an undercut groove profile and on the opposite edge having a complementary groove profile, the profiles are connected to one another by Einwinkein.
4. Panel according to claim 1 or 2, since you r ch ge ke nn zei chn et that the holding profile of an intended second pair of edges as complementary hook elements (6a, 7a) are formed and that at least (on one of the hook elements 6a, 7a ) of the second pair of edges, a separate vertical locking element (8) is provided.
"5. A panel according to any one of claims 1 to 4, since you rchge ke nn zei chn et that at least one of the pairs of edges with corresponding hook elements (6a, 7a) is provided, that each hook element (6a, 7a) has at least one guide element and that the guide elements of the two hook elements (6a, 7a) are arranged so that they in the first threading position of the hook elements (6a, 7a) cooperate to guide the same first of the guide position or the second guide position in the hooked state into it.
6. The panel of claim 5, since you r ch ge characterizing zei ch net as ss the guide elements (6a, 7a) each have at least one undercut and that the two undercut surfaces (6b, 6e, 7b, 7e) are arranged so that they slide guide effective over the displacement distance (M) from the first guide position or the second guide position in the hooked state into and at least partially contiguously to each other.
7. The panel of claim 6, since you r ch ge ke nn zei ch ne t that the undercut surfaces (6b, 6e, 7b, 7e) in the hooked state of two panels (1, 2, 3, 4, 5, 6, 7 ) on a common unlocking cam (V, Vl, V2) are arranged and are in contact, and that the undercuts dung flat (6b, 6e, 7b, 7e) (on the common unlocking cam V, Vl, V2) away from and toward each other are movable.
8. A panel according to any one of claims 1 to 1, since you rchgeke nn zeic hn et that the vertical locking element (8) is at least partially resiliently movable.
9. The panel of claim 8, dadu r ch ge characterizing zei ch net that a movement plane is provided at least for the spring-elastic Bewegbar- ness of a vertical locking element (8) parallel to the plane of the panel (1, 2, 3, 4, 5 ,, 7) 6 is disposed.
10. The panel of claim 8 or 9, since you rchge ke nn zei Chne t, that a movement plane is provided at least for the resilient loading wegbarkeit a vertical locking element (8) that are both perpendicular to the plane of the panel (1, 2, 3, 4, 5, 6, 7) as an edge and provided perpendicular to the (with the vertical locking element 8) is disposed.
11. A panel according to any one of claims 8 to 10, as you rch ge ke nn zeic hne t that the vertical locking element (8) of an unlinked panel (1, 2, 3, 4, 5, 6, 7) with a stop band of the edge of the panel (1, 2, 3, 4, 5, 6, 7) projecting to the complementary hook member (6a, 7a) a as a detent recess (6f, 6j, 7c, 7i) has formed groove, and that in the interlocked state the hook elements (6a, 7a) at least a portion of the stop band in the Rastaufnehmung (6f, 6j, 7c, 7i) of the complementary hook element (6a, 7a) is angled in or introduced.
12. The panel of claim 11, characterized ge characterizing zei ch net, that the complementary hook member (6a, 7a) and rear in an in joining movement (m) end portion of an in the installed position the vertical locking element (8) side facing a guide recess (6k, 7k) for the stopband up points, and that the guide recess (6k, 7k) is extended to accommodate the locking portion during the joining movement (m) to the first guide position towards a rear in the joining movement side surface, so that at least in the joining movement (m) front portion of the locking portion of the locking element (8) in the guide recess (6k, 7k) is receivable.
13. The panel of claim 12, dadu r ch ge characterizing zei Chne t that the guide recess (βk, 7k) having a Innenpro- fil whose in joining movement (m) facing the inner side surface (61, 71) of a counter to the joining movement (m) facing outer side surface (8n) of the vertical locking element (8) is complementary or substantially complementary.
14. The panel of claim 13, dadur ch ge characterizing zei ch - net that inner side surface (61, 71) and outer side surface (8n) over the displacement distance (M) to the hooked state are disposed toward at least from the first guide position to one another such that they are abgleitbar each other, wherein they lie at least partially to each other.
15. A panel according to any one of claims 12 to 14, as you rch ge ke nn zei chn et, that the locking element (8) has a locking portion has a resilient snap tab (8a) which are suitable for in the installation position at an acute angle (μ) joining path and extends with a path component counter to the joining movement (m) and that the guide recess (6k, 7k) to form the facing in the joining movement the inner side surface (61, 71) by means of a sheet, extending over the entire length of the edge ablating a (in joining movement m ) rear corner is formed so that snap tab (8a) and the inner side surface (61, 71) are disposed in the first threading position approximately parallel to each other.
16. A panel according to any one of claims 1 to 15, as you r ch ge ke nn zei ch net that in the connected state of two panels (1, 2, 3, 4, 5, 6, 7) within the fertil connects the retaining profiles at least a dust chamber region (S) is provided.
17. The panel of claim 16, when dependent on claim 12, since you r ch ge characterizing chnet zei that the leadership rungsausnehmung (6k, 7k) is formed as a dust chamber (Sl).
18. A panel according to any one of claims 1 to 17, as you r ch ge ke nn zei chn et that a hook member (6a, 7a) for connection with the complementary hook member (6a, 7a) of an adjacent panel (1, 2, 3, 4, 5, 6, 7) on a base positionable to the addition of the hook elements (6a, 7a) of two panels (1, 2, 3, 4, 5, 6, 7) is thereby effected that on the substrate positionable panel (1, 2, 3, 4, 5, 6, 7) rests and to the neighboring strip (1, 2, 3, 4, 5, 6, 7) joining movement is executed, the vertical locking element (8) preferably at the one hook member (6a, 7a) is provided at the edge of the stationary panel (1, 2, 3, 4, 5, 6, 7).
19. A panel according to any one of claims 1 to 18, as you r ch ge ke nn zei Chne t, that a core material made of HDF or MDF is provided.
20. The panel according to claim 19, ch dadur ge characterizing zei et chn in that the holding profiles of the panels (1, 2, 3, 4, 5, 6, 7) are integrally formed on the core material.
21. A panel according to any one of claims 1 to 20, as you r ch ge ke nn zeic hn et that the vertical locking element (8) is made of plastic.
22. Floor covering, since you r ch ge ke et nnzei chn that a variety of compatible panels (1, 2, 3, 4, 5, 6,
7) are connected to one another according to one of claims 1 to 21st
PCT/DE2008/000008 2007-01-12 2008-01-04 Panel and floor covering WO2008083662A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102007002590.6 2007-01-12
DE102007002590A DE102007002590A1 (en) 2007-01-12 2007-01-12 Panel, floor

Publications (1)

Publication Number Publication Date
WO2008083662A1 true WO2008083662A1 (en) 2008-07-17

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WO (1) WO2008083662A1 (en)

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WO2014108875A1 (en) * 2013-01-11 2014-07-17 Flooring Industries Limited, Sarl Floor panel for forming a floor covering, floor covering formed of such floor panels and method for manufacturing such floor panels
US8806832B2 (en) 2011-03-18 2014-08-19 Inotec Global Limited Vertical joint system and associated surface covering system
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
CN104775594A (en) * 2010-05-10 2015-07-15 佩尔戈(欧洲)股份公司 Set of panels
CN104847086A (en) * 2009-12-22 2015-08-19 地板工业有限公司 PANEL for forming COVERING AND METHOD FOR INSTALLING SUCH PANELS
US9175703B2 (en) 2008-12-17 2015-11-03 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9206611B2 (en) 2010-01-14 2015-12-08 Spanolux N.V.—Div. Balterio Floor panel assembly and floor panel for use therein
US9371654B2 (en) 2007-11-23 2016-06-21 Flooring Industries Limited, Sarl Floor panel
DE102016114226A1 (en) * 2016-01-22 2017-07-27 Hamberger Industriewerke Gmbh Connecting elastic or solid components
US9719542B2 (en) 2010-06-03 2017-08-01 Unilin, Bvba Composed element and corner connection applied herewith
US9932741B2 (en) * 2009-01-16 2018-04-03 Flooring Industries Limited, Sarl Method for manufacturing floor panels

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US9371654B2 (en) 2007-11-23 2016-06-21 Flooring Industries Limited, Sarl Floor panel
US9175703B2 (en) 2008-12-17 2015-11-03 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9797427B2 (en) 2008-12-17 2017-10-24 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9695856B2 (en) 2008-12-17 2017-07-04 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9347470B2 (en) 2008-12-17 2016-05-24 Unilin, Bvba Composed element, multi-layered board and panel-shaped element for forming this composed element
US9932741B2 (en) * 2009-01-16 2018-04-03 Flooring Industries Limited, Sarl Method for manufacturing floor panels
CN104847086B (en) * 2009-12-22 2017-10-17 地板工业有限公司 Panel and a manufacturing method for forming the coating
CN104847086A (en) * 2009-12-22 2015-08-19 地板工业有限公司 PANEL for forming COVERING AND METHOD FOR INSTALLING SUCH PANELS
CN104847087A (en) * 2009-12-22 2015-08-19 地板工业有限公司 Panel for forming a covering
CN104847087B (en) * 2009-12-22 2017-09-29 地板工业有限公司 Panels for forming coating
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US9003735B2 (en) 2010-04-15 2015-04-14 Spanolux N.V.—Div. Balterio Floor panel assembly
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
US9476208B2 (en) 2010-04-15 2016-10-25 Spanolux N.V.—Div. Balterio Floor panel assembly
CN104831904A (en) * 2010-05-10 2015-08-12 佩尔戈(欧洲)股份公司 Set of panels
CN104775594A (en) * 2010-05-10 2015-07-15 佩尔戈(欧洲)股份公司 Set of panels
CN104775594B (en) * 2010-05-10 2017-09-22 佩尔戈(欧洲)股份公司 Floor assembly
US9719542B2 (en) 2010-06-03 2017-08-01 Unilin, Bvba Composed element and corner connection applied herewith
US8806832B2 (en) 2011-03-18 2014-08-19 Inotec Global Limited Vertical joint system and associated surface covering system
US9103126B2 (en) 2011-03-18 2015-08-11 Inotec Global Limited Vertical joint system and associated surface covering system
US10000935B2 (en) 2011-03-18 2018-06-19 Inotec Global Limited Vertical joint system and associated surface covering system
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