WO2011012104A2 - Covering comprising panels that can be connected to each other mechanically - Google Patents

Covering comprising panels that can be connected to each other mechanically Download PDF

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Publication number
WO2011012104A2
WO2011012104A2 PCT/DE2010/000803 DE2010000803W WO2011012104A2 WO 2011012104 A2 WO2011012104 A2 WO 2011012104A2 DE 2010000803 W DE2010000803 W DE 2010000803W WO 2011012104 A2 WO2011012104 A2 WO 2011012104A2
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WO
WIPO (PCT)
Prior art keywords
groove
spring
portion
characterized
panel
Prior art date
Application number
PCT/DE2010/000803
Other languages
German (de)
French (fr)
Other versions
WO2011012104A3 (en
Inventor
Guido Schulte
Franz Eschlbeck
Original Assignee
Guido Schulte
Franz Eschlbeck
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 DE102009034902.2A priority Critical patent/DE102009034902B4/en
Priority to DE102009034902.2 priority
Application filed by Guido Schulte, Franz Eschlbeck filed Critical Guido Schulte
Publication of WO2011012104A2 publication Critical patent/WO2011012104A2/en
Publication of WO2011012104A3 publication Critical patent/WO2011012104A3/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
    • 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
    • E04F2201/05Separate 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 covering comprising panels that can be connected to each other mechanically, and having the following characteristics: - adjacent first and second panels (1, 2) each having a groove (6, 14) on the sides (5, 21) thereof that are complementary to each other, - the grooves (6, 14) each have upper and lower groove sides (7, 8; 17, 26) having different lengths, - in one of the grooves (6, 14) a spring (9, 9a, 9b, 9c, 9d) is arranged that can be moved relative to the panel (1, 2) at least in parts, said spring is suitable for engaging in the corresponding groove (6, 14) of the adjacent panel (1, 2) when the adjacent panels (1, 2) are connected, - the spring (9, 9a, 9b, 9c, 9d) has at least one projection (16, 33, 42, 43), which points in the direction of the area of the longer groove sides (7, 17) of the other groove (6, 14) that protrudes relative to the shorter groove sides (8, 26), - the projection (16, 33, 42, 43) is intended to be moved transversely to the laying plane ( ) of the panels (1, 2) in the event of contact with said area of the groove side (7, 17), wherein the projection (16, 33, 42, 43) is operatively connected to a locking section (13, 29, 32, 35, 41, 47) of the spring (9, 9a, 9b, 9c, 9d), said locking section can be moved in the direction of the groove (6, 14) of the adjacent panel (1, 2) as a result of the motion of the projection (16, 33, 42, 43).

Description

Tiles mechanically interconnectable panels

The invention relates to a lining of mechanically interconnectable panels.

Wall, ceiling and floor coverings such as, for example, prefabricated parquet, wood floors or laminate floors, consisting of several rows of predominantly rectangular in configuration panels. Conventionally, the panels have on a longitudinal side and a head side through grooves and on the opposite longitudinal side or head side through springs which are adapted to the form-locking grooves. Through the combination of tongue and groove, the panels are laid, are located to each other wherein the panels of two adjacent rows are offset.

It is known to provide a mechanical interlocking means at the grooves and springs which arrive at a floor covering in adjacent panels to each other in locking engagement. This should be avoided by stretching or shrinking operations, a gap formation in the laid flooring. each adapted locking elements in the form of depressions, recesses or protrusions are formed to keep connected floor panels in the assembled position without glue to the tongue and groove of the panels. Usually the panels are wound together clicked along their long sides or, then moved laterally so that locking strips arrive at the head sides engaged. To facilitate this, light hammer blows can be applied with the aid of a tapping block from the opposite head side. There is the risk that it may occur even with the most careful work to damage the floor panels.

There are also solutions in which the abutting head sides are connected to each other by a displaceable in its longitudinal direction of the spring. Characterized the manual wrapping eliminated by means of a hammer. The springs are pre-assembled, whereby the subsequent insertion eliminated. Such flooring is the subject of WO 2008/017301. Here, a protruding end of a spring is displaced into a head-side groove to displace the spring partially by a groove in the corresponding groove of the adjacent panel. In this way the panels are locked together.

In order that the displaceability of the spring is at all possible, it must be kept and used in accordance with the precisely aligned opposite groove of the complementary panel with a certain play. This game is preferably as small as possible so that it does not come in the area of ​​the butt joint of two panels to a vertical offset. Due to the principle can not be avoided to a game, however.

The invention has the object of providing a lining of mechanically interconnectable panels, and in particular show a floor covering, in which the height offset in the region of the butt joint is minimal.

This object is achieved with a pad having the features of claim 1.

The sub-claims relate to advantageous developments of the invention. The panels of the lining of the invention are to be adapted and suitable mechanically connected to other similar panels. The connection is made through the complementary sides of the panels are arranged connecting elements in the form of tongue and groove joints. The adjacent panels each have a horizontal groove on their mutually complementary sides. In one of the grooves have a relation to the panel at least in parts relatively movable spring is arranged. The spring engages in connecting the adjacent panels in a groove of the adjacent panel and so locks the adjacent panels from a vertical displacement against each other. The spring has a holding section which is arranged in the groove of the spring-holding panel.

The spring has at least one projection. The protrusion moves transversely to the laying plane, ie before towards the top or bottom of the panels. A protrusion is provided when the projecting portion of the spring is wider than the measured transversely in the region of the projection to the laying plane groove width in the locking position. Therefore, the projection protrudes in particular against the groove width is matched to the holding portion of the spring.

For orientation of the grooves and thus the springs arranged there, it is noted that the grooves preferably horizontal, ie are in the laying plane, oriented. However, it is also possible for the grooves and thus the springs inclined, ie, to provide at an acute angle to the laying plane.

The grooves each having different long upper and lower groove walls, so that lie opposite the respectively opposite the shorter groove cheeks projecting portions of the longer groove cheeks to one another in parallel spaced-apart. These projecting portions of the groove walls serve as support surfaces for the projection. The protrusion is in fact intended to be moved generally perpendicular to the laying plane of the panels when in contact with this projecting region of the groove cheek transversely to the laying plane, ie. In other words, the projection or the protruding portion of the spring is restrained not only in the vertical direction and up to the width of the groove between the opposing protruding portions of the longer groove cheeks reduced, but also simultaneously in the laying plane, ie horizontally displaced. The horizontal displacement is achieved in that the projection is an integral part of the spring which already supported with its one end in the groove, but is so configured that the other end of the spring is displaced in the direction of the laying plane. The protrusion is therefore in operative connection with a locking portion of the spring, which is displaceable by the movement of the projection toward the groove of the adjacent panel.

A groove within the meaning of the invention, not only the region is to be understood that extends between the directly opposing groove walls. It is also to be counted, that portion which is opposite to the long groove cheek, since this space is also made of the spring to complete. The groove walls, especially the longer groove walls can vary in their consideration about the groove depth distance. Especially the over the shorter groove cheeks projecting portions of the longer groove walls can be offset or displaced from the shorter groove walls, so that the distance to the opposite cheek enlarged. Still include the remote areas of the groove.

The holding portion may be connected via a connecting portion with the locking portion. Here, the connecting portion is preferably connected, depending on the installation position on a valve disposed on its side facing the top or bottom edge of the panel joint with the holding portion. The locking portion is coupled, via a valve disposed at its diagonally opposite edge joint with the connecting portion. The position of this the joint largely determines the location of the furthest projecting point of the projection. The spring is at least partially folded prior to joining of two panels in an initial position, said holding portion, connecting portion and locking portion are pivoted about the hinges against each other in the vertical direction out of the plane of the holding portion out. To achieve such folding to allow mutually facing side surfaces of the holding portion, connecting portion and locking portion are chamfered respectively complementary to the top and underside of the panels out.

When connecting two adjacent panels of the projection is displaced by the approximation of the longer groove cheeks of the panels. Depending on the installation position of the projection may have up or down. Preferably, the projection is displaced by contact with a lower cheek of the groove of the locking portion receiving groove of the first panel. The vertical movement results in a horizontal movement in which the protrusion on the lower cheek of the groove of the locking portion receiving groove slides along. This requires pivoting of the connecting portion to both joints in the horizontal plane of the holding portion. Likewise, the locking portion is pivoted around the joint of the projection in the horizontal plane of the holding portion. The spring is stretched from its folded state as soon as the longer groove flanks have converged as much as possible. This is the case when the height difference between adjacent panels is minimal. The locking portion is pushed by the extension movement of the spring into the groove of the first panel. In order to facilitate the threading of the connecting portion in the groove, a groove facing towards the end face of the connecting portion may be chamfered or rounded.

After displacing the locking portion of the tongue into the groove of the adjacent panel, the joint between the locking portion and connecting portion is located at the height of the lower groove cheek of the locking portion receiving groove. Retaining portion, connecting portion and locking portion are preferably oriented horizontally after the joining of two adjacent panels. Since the lower groove cheek of the spring retaining groove extends only over a width of the holding portion, which faces towards the underside of the panels surfaces of connecting portion and locking portion rest on a lower cheek of the groove of the receiving the locking portion of the spring groove.

In addition to the above-described embodiment, it is of course also conceivable to connect individual sections of the spring centered. In this case, the side facing the underside of the panels edges of connecting portion and locking portion form the projection. Also, the spring adjacent to the retaining portion, the connecting portion and the locking portion may have other sections.

Further embodiments of springs are also conceivable, in which a projection is coupled with a certain mechanism. This mechanism causes a lock portion of the spring is pressed in a horizontal direction into the groove of the adjacent panel. Here, the mechanism is triggered when the projection with a corresponding groove cheek comes into contact and is displaced toward the other flank.

The specific design of the spring also depends on the installation method. in particular, if a panel is to be stored in a parallel, linear movement does not, but is to be bent by a pivoting movement quasi. During the pivoting movement, the above approximate ranges of the longer groove flanks of the groove over the length considered at a certain time to a different extent. For example, in a 45 ° position are the groove flanks at one end of the groove almost in the end position, while the groove flanks at the other end at a distance of several centimeters. Especially in this case it is expedient to either provide a plurality of springs arranged spaced from one another, which do not interfere in their kinematics. However, it is also possible to provide a spring which is subdivided by transverse slots in the groove independently operable spring segments. Preferably, the spring segments have a common holding section. This configuration can be referred to as a comb-like. This embodiment proves to be particularly advantageous when the second panel is beginning at one end of the groove, is lowered in the longitudinal direction of the groove, so that the spring portions engage one after the other in the groove of the first panel. Independently operable spring segments may be used, ie, even if the panels are not pivoted to one another, but are stored in a parallel movement. Also in each subsequent laying

The locking portion may comprise at its area facing the upper and / or lower groove cheek side surface has a profiling. The connecting portion may, as well as the locking portion have a profile on one or both side faces. This profiling may be, for example, wave-shaped, having individual teeth or a sawtooth profile.

The groove walls of the panels can have a complementary profiling to the profiling. It is also possible to provide on one or both side surfaces of the locking portion detent elements which engage upon insertion of the locking portion in the groove of the adjacent panel in corresponding recesses in the upper or lower groove cheek.

It is important that the locking portion bridges the adjoining shorter groove cheek gap for adjacent long edge of the groove of the other groove to minimize the offset in height in the region of the butt joint of the panels. Thus, the locking portion has partially out of the groove receiving it, that is protruding over the shorter groove cheek of this groove.

In principle, the spring may extend over the entire length of the groove. In addition, may be provided in the longitudinal direction of the groove at a distance to each other plurality of springs. These may have independently operable locking portions. For example, panels can be also in the longitudinal direction of the groove to each other stagger. Here, it is conceivable to connect the holding portions together in the region of the groove, wherein the compound can be used simultaneously as spacers between the springs.

On one of the panels, a locking bar is provided, which serves to secure the adjacent panels against tensile stress in a laying plane. Thus, the locking bar is used for coupling the panels in the laying plane, while the springs are designed to prevent the panels move relative to each other in the vertical direction. Since the locking bar, which engages under the adjacent panel is positioned at a relatively large distance to the top side of the panels is also envisaged that the under attacked by the locking strip panel is primarily supported on a Auflagerleiste. This is arranged at a greater distance from the latching strip as the groove. In other words, the groove between the Auflagerleiste and the locking bar is located. The Auflagerleiste has the function to reduce the distance of the bearing point from the top of the panels, which is particularly the case of very thin-walled and softer materials beneficial. Due to the proximity of Auflagerleiste the top of the panels are selectively near a butt joint engaging vertical forces acting on the under attacked panel, introduced a shorter route to the adjacent, under cross-panel than is possible on the deeper lock bar. Due to the support in the immediate vicinity of the force application point of the height offset between the two panels in the load case is much lower.

The spring may consist entirely of a single material. Correspondingly thin designed areas can serve as film hinges. The thicker portions are then used for receiving the engaging transverse to the laying plane forces.

The material for the spring can be either a wood-based material, that is, it may be of wood or a wood fibers-containing material, or a material which is made of wood as a base material, such as liquid timber. Metal and metal alloys, such as spring steels, come for the springs also in question as composites. The use of bimetallic strips, or mixed plastics is possible as well as the use of materials based on thermoplastic or thermosetting plastics. The spring may also consist of a fiber reinforced plastic. Preferably, the spring is designed to be elastic.

The spring may be carried out prior to bonding standing under prestress. Due to the bias of the lock portion is pressed into the groove of the adjacent panel and the connecting of two panels additionally secured.

Springs with restoring forces due to elasticity or because it has been used, for example, a spring steel, are adapted to retract the spring after the opening of the connection back to the starting position or to allow them to spring.

The joints that connect portions of the spring are preferably made of the same material as the spring. Of course it is also possible to choose another material for this, for example, a kind of hot melt. Under hot melt or hot melt adhesives are to be understood which are based for example on polymers, resins or waxes and yet have flexibility after cooling. The basic idea is based on the functional separation of elastic and non-elastic regions. While the articulated areas require deformable materials, deformation of the lock portion is not desired. Therefore, a material having lower elasticity should come to use than in the area of ​​the joints, and the connecting portion for the locking portion.

A special feature springs that can take two states. The spring can assume a stable position, and a metastable position from which the spring returns automatically upon completion of the action of force in the stable state. Also a bi-stable spring may be provided, which is characterized in that two stable positions exist and requires any change from one position to the other a force.

The spring having a metastable position is transferred from the stable position by the action of buckling in a metastable position, whereby the restoring force of the metastable position to the stable position is much less than the reverse. This favorable force-displacement curve can also be utilized in the present invention. The buckling is equivalent to a projection on the spring, which should be moved. The protrusion is displaced so far until the spring suddenly jumps in the metastable position. This is the locked position. By a click sound as it adjusts itself with springs made of metal or at least at bumps made of metal, the lock position is also acoustically determine. but it turns also a slight jerk when the locking position is reached. The haptic information and an acoustic information of the so-called Klicker- effect are a useful feedback during laying and when recording of the panels. With regard to the materials themselves, the clicker effect primarily a case of metallic materials. but the principle can also be realized with other beulbaren materials such as plastics.

There is no limitation with regard to the material of the panels, if these can be brought in particular by machining in the necessary form. These may involve both panels based on wood materials or plastics, as well as to mineral materials and composite materials. The size of the panels plays a subordinate role. The panels can also be large-sized, for example, as a component plates of 600 mm x 1500 mm.

The inventive idea is particularly applicable to all floor systems in which a top layer is disposed on a support, such as real wood flooring, laminate, carriers etc on carrier plates with painted surfaces as floor covering, linoleum, cork .. The cover layer may be made with overlay in particular of a decorative paper which determines the visual appearance of the element plate. In a floor covering can therefore be a parquet floor, finished parquet floor, a real wood floor or a laminate floor.

In the floor covering, it can be a double bottom or cavity floor, in particular, also, in which beneath the pad, ie, below the panels, a cavity is, which is used for the wiring. Especially in these raised floors, it is advantageous if individual panels can be resumed, which is very well possible with the invention. Since the said springs may be provided not only at head side but also at the longitudinal sides of a panel, it is possible, for example, individual panels must be raised by a siphon again and then also store again.

The invention is explained in more detail below based on illustrated in the schematic drawings embodiments. Show it:

1a to 1c in cross section a detail of the

Connecting portion of two adjacent panels in different mounting positions, and

Figures 2a-7b and 8 are different embodiments of the spring.

1a shows a cross section through the connecting region of two panels 1, 2. The panels 1, 2 are configured such that the panels 1, 2 can be assembled to form a floor covering. The panels 1, 2 have a surface facing the panel substrate bottom 3 and a surface facing away from the panel substrate top 4. The figure shows a left first panel 1 and on the right a second panel 2, in front of the connection of the two panels 1, 2. The second panel 2 has at his, pointing in a laying position for the first head panel 1 side which is hereinafter referred to page 5, extending in the horizontal direction groove 6. In this case, an upper cheek of the groove 7 is wider than a lower cheek of the groove 8 in the groove 6, a spring 9 is arranged.

The spring 9 is arranged with its retaining portion 10 in the groove. 6 The holding portion 10 is coupled to its relative to the lower cheek of the groove 8 projecting and pointing to the top side 4 of the panel 2 edge with a connecting portion. 11 The coupling of the holding portion 10 and connecting portion 11 is effected by a hinge 12. This hinge 12 is embodied in this embodiment as a film hinge. It consists of the same material as the spring 9 and can be produced with this in one manufacturing step. At the connecting portion 11, a locking portion 13 connects, which is intended to engage with a complementary to the groove 6 of the second panel 2, the groove 14 of the first panel 1 in engagement. The locking portion 13 is connected to the connecting portion 11 via a joint 15 which is also embodied as a film hinge. The joint 15 is arranged between two to one another and to the bottom 3 of the panels 1, 2 facing edges of the locking portion 11 and the connecting portion. 13 The connecting portion between the locking portion 11 and connecting portion 13 forms with the joint 15 a opposite to the groove 6 of the second panel 2 towards the bottom 3 of the panels 1, 2 protruding projection 16. The mutually facing side surfaces of the holding portion 10, connecting portion 11 and locking portion 13 are designed such that the spring 9 is folded into an initial state quasi by the connecting portion 11 with respect to the holding portion 10 and the locking portion 13 relative to the connecting portion 11 from the horizontal plane e of the holding portion 10 out are pivoted.

The projection 16 comes in connecting the first panel 1 with the second panel 2 with a lower cheek of the groove 17 of the lock portion 13 receiving groove 14 in contact (figure 1b). Upon further displacement of the second panel 2 in the direction of arrow P, the projection 16 is pressed by the lower cheek of the groove 17 in the direction to the top side 4 of the panel. 2 Here are connecting portion 11 and locking portion 13 about the hinges 12, 15 against each other is pivoted from the folded position to a horizontal plane E of the holding portion 10th The locking portion 13 extends beyond the length of the upper cheek of the groove 7 and engages in the groove 14 of the adjacent first panel. 1

The first panel 1 engages under a locking bar 18 on the underside the second panel 2. The second panel 2 has for this purpose a downwardly open dome channel 19 and located 20 thereto subsequent downwardly directed, end-side Kuppelwulst The locking bar 18 of the first panel 1 faces a called side head side 21 before horizontal, so that the Kuppelwulst engages the upwardly open channel 22 coupling the locking bar 18 twentieth At the coupling channel 22, the locking bar 18 includes at its end an upward Kuppelwulst 23 which engages in the mounted position in the associated coupling channel 19 of the second panel. 2 By the undercut of the Kuppelwülste 20, 23 are the two panels 1, 2 in the laying plane V, i.e. in the horizontal direction of the installed floor covering, secured against displacement. Characterized in that the Kuppelwülste 20, 23 abut in their contact region 24 obliquely to the laying plane V to each other, is the second panel 2 with its, to the side 21 of the first to the already laid first panel 1 in the downward pivoting of the second panel 2 in the direction of the arrow P drawn against the first panel 1 the panel 1 complementary side 5, so that the sides 5, 21 of the panels 1, 2 abut each other.

In addition to the contact between the Kuppelwülsten 20, 23, the second panel 2 lies on a Auflagerleiste 25 above a groove 14. The Auflagerleiste 25 is thus located at a smaller distance from the top 4 of the left panel 2 when the locking strip 18, on which the panel 2 is usually supported in vertical direction. Due to the lower distance of the Auflagerleiste 25 to the top surface 4 closer tolerances can be maintained, so that with this solution a possible height difference between the panels 1, 2 can be minimized. The Auflagerleiste 25 is immediately adjacent to the groove 14 so that its lower edge is a part of an upper cheek 26 of the groove fourteenth The Auflagerleiste 25 thus extends along with the locking portion 13 of the spring receiving groove 9 fourteenth

The panels 1, 2 touch each other, preferably at specific support and holding points. The locking bar 18 and the Kuppelwulst 20 touch each other in this embodiment, only in the above-described contact section 24. However, the remaining free space between the locking bar 18 and the Kuppelwulst 20 such small gaps that an extreme vertical load, a contact can not be excluded, which is due to the limited elasticity of the materials. The spaces manufacturing tolerances can also be compensated.

The locking portion 13 extends in the 1c illustrated in FIG locking position from the left groove 14 out, thereby bridging the gap between the adjacent upper groove walls of the left and the right groove 14. 6

For clarity, were used for the panels 1, taken 2 in the below-described Figures 2a to 5b, the reference numerals 1a to 1c, but this does not exclude that the panels 1, 2 in the specific embodiments due to the adaptation to the various springs can differ in their design something from each other.

In addition, the panels 1, 2 are only shown in part below. but they all have the-described in Figures 1a to 1c locking bar and dome channels and on Kuppelwülste

2a shows a further embodiment of a disposed in a second panel 2 spring 9a. The spring 9 is fixed with a retaining portion 27 in a groove 6 of the second panel. 2 The subsequent to the holding portion 27 connecting portion 28 is arcuately curved. Here, the arc-shaped connecting portion 28 forms a protrusion 16a, which is toward the bottom 3 of the panel 2 and projects toward the bottom 3 relative to the lower cheek of the groove 8 of the spring 9a holding groove 6 protrudes. The adjoining the connecting portion 28 latch portion 29 is aligned transversely to the longitudinal direction of the groove 6 in approximately. There are, of course, spring designs to which a facing panel to the adjacent end portion of the connecting portion forms the locking portion conceivable.

When connecting two adjacent panels 1, 2, the curved connecting portion 28 is displaced by a lower groove cheek 17 of the groove 14 of the first panel 1 in the direction of the upper cheek of the groove 7 of the groove 6 of the second panel. 2 Characterized the bent connecting portion 28 of the spring 9a is flattened and the locking portion 29 transversely slid to the longitudinal direction of the groove 6 in the groove 14 of the first panel. 1 The spring 9a is virtually stretched. The bent connecting portion 28 is compressed between the lower cheek of the groove 17 of the groove 14 of the first panel 1 and the upper cheek of the groove 8 of the groove 6 of the second panel. 2 The spring 9a becomes longer and thereby biased due to its elasticity when connecting the adjacent panels 1; 2. Thus, the spring 9 is biased and is located positively in the opposing grooves 6, 14 of the panels 1, 2 (Figure 2b).

Figure 3a shows a further embodiment of a spring 9b made of an elastic material. The spring 9b is divided into three sections. In each case between the retaining portion 30 and the connecting portion 31 as well as between the connecting portion 31 and the locking portion 32, a projection 33 is provided. The protrusions 33 protrude toward the bottom 3 of the panel 2 on the lower cheek of the groove 8 of the groove 6 of the second panel 2 in direction. Two projections 33 is opposite, ie on the side facing the top side 4 of the panel 2 side of the spring 9b, arranged in a recess 34th The recess 34 can, as shown here, having a triangular cross-section. but semi-circular or rectangular cross-sections are also conceivable.

When connecting two adjacent panels 1, 2, the lower cheek of the groove 17 presses the groove 14 of the first panel 1, the projections 33 in the direction of the upper cheek of the groove 7 of the groove 6 of the second panel 2. Due to the elastic material used here is pressing the material of the upper side 4 compressed projections 33 in the respective opposite recess 34 and the spring 9b extends transversely to the longitudinal direction of the groove 6 made. The extension of the locking portion 32 enters the groove 14 of the first panel 1. Since a height H of the grooves 6, 14 of the first panel 1 and second panel 2 does not change after the connection remains the pressure of the lower cheek of the groove 17 to the projections 33 are made, the spring 9b remains stretched and is located positively in the grooves 6, 14 of the panels 1, 2 (Figure 3b).

In a further embodiment (Figure 4a) Connecting and locking portion 35 of the spring are made in one piece 9c. Here, a extending in the longitudinal direction of the groove 6 free space is provided in the connection and locking portion 35 36th Of course, in alternative embodiments, multiple spaces are conceivable. The connected to the connection and locking portion 35 of retaining portion 37 is disposed in the groove 6 of the second panel. 2

At the side facing the underside 3 of the panels 1, 2 side of the spring 9c is a projection 16b in the area of ​​the free space 36, which protrudes towards the bottom 3 of the panels 1, 2 over the lower cheek of the groove 7 of the groove 6 of the second panel 2 , The projection 16b is formed by a in relation to the height H of the slot 6 widened portion of the connecting and locking portion 35th The spring 9c is made of an elastic material so that when connecting two panels 1, 2 of the projection through the lower cheek of the groove 17 of the groove 14 of the first panel 1 is pushed upwards in the direction of the upper cheek of the groove 8 of the groove 6 of the second panel 2 , Due to the elasticity of the spring 9c of the enlarged region of the connecting and locking portion 35 in its width is reduced to the height H of the groove 6 of the second panel 2, or the groove 14 of the first panel. 1 The circular cross section here of the free space 36 is an ellipse, resulting in a stretching of the locking and connecting portion 35 has transversely to the longitudinal direction of the groove 6 to the sequence. By stretching the latch and connecting portion 35 enters the groove 14 of the adjacent first panel 1 and is held there non-positively (Figure 4b).

Figure 5a shows an exemplary and schematic representation of a spring 9d with a locking mechanism. In this case, 9d, the spring has a holding portion 38, with which it is held in the groove 6 of the second panel. 2 The holding section 38 has a biased in default spring element. 39 The holding section 38 is connected via a connecting portion 40 with the locking portion 41st The connecting portion 40 has a relation to the lower cheek of the groove 8 of the groove 6 of the second panel 2 towards the bottom 3 of the panels 1, 2 protruding projection 42, over which it is held simultaneously with the pretensioned spring element 39 of the holding portion 38 in the initial position.

When joining two panels 1, 2, the projection is displaced by the lower cheek of the groove 17 of the groove 14 of the first panel 1 in the direction of the top surface 4 of the second panel 2 42nd Characterized the mounting of the connecting portion 41 is released and the spring force F of the spring member 39 acts on the connecting portion 41, which in turn acts on the locking portion 42, and this displaced into the groove 14 of the first panel. 1 The transverse to the longitudinal direction of the groove 14 acting spring force F of the spring element 39 causes a friction fit of the locking portion 42 in the groove 14 of the first panel 1 (Figure 5b).

The spring 9e in the embodiment of Figures 6a and 6b illustrates an alternative embodiment for the spring 9 in the Figures 1a to 1c. Here, a relative to the lower cheek of the groove 8 of the groove 6 of the second panel 2 extending projection 43 is formed by a first portion 44 of two-part connecting portion. The first section 44 is connected via a hinge 45, 46 with the locking portion 47 and with the second portion 48 of the connecting portion. The second portion 48 of the connecting portion is connected via a further joint 49 with the holding portion 50 of the spring 9e. All joints 45, 46, 49 are arranged 9e on a side facing to the underside of the second panel 2 side surface of the spring. The first section 44 is disposed in a plane parallel to the plane E of the holding portion 50th The locking portion 47 and the second portion 48 are inclined with respect to the plane E of the holding portion 50th

In the connection of two adjacent panels 1, 2, the projection meets the lower cheek of the groove 17 of the groove 14 of the opposite first panel 1 and is displaced with further lowering of the second panel 2 in the direction of the arrow P to the upper side 4 of the panels 1, 2 towards. By this displacement, the first portion is moved into the plane E of the holding portion 50 44th In this case, the locking portion is displaced in the groove 14 of the adjacent first panel 1 47th Is the spring 9e before the joining of the panels 1, 2 under bias the panels 1, 2 are clamped by the inherent tension of the spring 9e additionally against each other.

Figures 7a and 7b show an embodiment in which the spring 9, as shown in Figure 1 was rotated by 180 ° and is arranged in place in the right panel 2 is now in the left panel. 1 The holding portion 10 is now in the left groove 14. The locking portion 13 is to be inserted into the right groove. 6 The projection 16 facing upward and not downward.

With respect to the additional function is made to the explanation of the figures 1a to 1c respect, since only the orientation and assignment of the spring has been changed in FIG. 7 The example of Figure 7 is representative of the possibility of all further embodiments shown with respect to the mounting location of the spring modify. So it is with all variants possible the spring to rotate 180 ° and mount in the corresponding groove of the other panel.

The embodiment of Figure 8 is a modification of the embodiment of Figure 2b. The spring can be transferred in this variant in the illustrated metastable state. The stable state substantially corresponds to the representation in FIG 2a, with the difference that the curved connecting portion is designed as a bump. This bump is pushed back as far as a tilting point that the joint portion is exposed in the other direction 28th For this purpose, a corresponding recess 51 in the upper cheek of the groove 7, and an upwardly extending handle 52 is provided on the lower groove cheek 17th

The geometry of the spring is shown rectangular in all embodiments and described. However, the invention does not exclude to provide springs of other geometries, so that the illustrated and described shape is representative of other geometries.

Reference numerals:

1 - panel

2 - Panel

3 - bottom

4 - top

5- page

6- groove

7 - top groove

8 - lower groove cheek 9- spring

9a - spring

9b- spring

9c-spring

9d - spring

9e - spring

10- holding section

11 - connecting portion

12 joint

13- latch portion

14- groove

15 joint

16- lead

16a-ahead

16B-ahead

17 - lower cheek of the groove

18 - locking bar

19- dome channel

20 Kuppelwulst

21 - Page

22- dome channel - Kuppelwulst

- contact area

- Auflagerleiste

- cheek

- holding section

- connecting section

- locking portion

- holding section

- connecting section

- locking portion

- Head Start

- recess

- locking and connecting portion - Space

- holding section

- holding section

- spring element

- connecting section

- locking portion

- Head Start

- Head Start

- first section

- joint

- joint

- locking portion

- second part

- joint

- holding section

- recess

- handle E - Level

V- laying plane

P arrow

H height

F - spring force

Claims

claims
1. tiles mechanically interconnectable panels, having the following features: a) adjacent first and second panels (1, 2) have at their mutually complementary sides (5, 21) each have a groove (6, 14), b) the grooves (6, 14) each having different lengths of upper and lower groove walls (7,8; 17,26), c) in one of the grooves (6, 14) is a relation to the panel (1, 2) at least in relatively movable parts spring (9, 9a, 9b, 9c, 9d) arranged suitable, in connecting the adjacent panels (1, 2) into the corresponding groove (6, 14) of the adjacent panel (1, 2) engage, d) the spring (9, 9a, 9b, 9c, 9d) has at least one projection (16, 33, 42, 43) which in the direction of the opposite shorter groove cheeks (8, 26) projecting portion of the longer groove cheeks (7, 17) of the other groove (6, 14) has, e) the projection (16, 33, 42, 43) is intended (when in contact with this region of the groove cheek 7,17) transversely to the laying plane () of the Pane ele (1, 2) to be displaced, wherein the projection (16, 33, 42, 43) in operative connection with a locking portion (13, 29, 32, 35, 41, 47) of the spring (9, 9a, 9b, 9c , 9d) is, which caused (by the movement of the projection 16, 33, 42, 43), (in the direction of the groove 6, 14) of the adjacent panel (1, 2) is displaceable.
2. Covering according to claim 1, characterized in that the projection (16, 33, 42, 43) at one relative to the locking portion (13, 29) and a holding portion (10, 27) of the spring (9, 9a) movable connection section (11, 28) is formed.
3. Covering according to claim 1 or 2, characterized in that the locking portion (13, 29) in the locking position, a gap between the short groove flank (6, 26) of the receiving it groove (6, 14) and the adjacent longer flank (7, 17) of the other groove (6, 14) bridged.
4. Covering according to claim 2 or 3, characterized in that the connecting portion (11, 28) hingedly connected to the locking portion (13, 29) and / or the holding portion (10, 27) is connected.
5. Covering according to claim 4, characterized in that joints (12, 15, 45, 46, 49) between the connecting portion (11) and the locking portion (13, 47) and / or between the connecting portion (11) and the holding portion ( 10, 50) have up to the groove (parallel 6, extending 14) pivot axis.
6. Covering according to claim 4 or 5, characterized in that the joints (12, 15, 45, 45, 49) are film hinges.
7. Covering according to one of claims 4 to 6, characterized in that the joints (12, 15) between facing edges of the holding portion (10), connection portion (11) and locking portion (13) are arranged.
8. Covering according to one of claims 4 to 7, characterized in that the joints (12, 15, 45, 46, 49) made of the same material as the remaining parts of the spring (9, 9e) are made.
9. Covering according to one of claims 4 to 7, characterized in that the joints (12, 15, 45, 46, 49) are made of a different material than the remaining parts of the spring (9, 9e).
10. Covering according to claim 9, characterized in that the hinges consist of hotmelt.
11. Covering according to one of claims 1 to 9, characterized in that the spring (9, 9a, 9b, 9c, 9d, 9e) is made of an elastic material.
12. Covering according to one of claims 1 to 11, characterized in that the locking portion (13, 29, 32, 35, 41, 47) consists of a material having lower elasticity than other portions of the spring (9, 9a, 9b, 9c, 9d, 9e).
13. Covering according to one of claims 1 to 12, characterized in that the spring (9, 9a, 9b, 9c, 9d, 9e) a plurality at a distance in the longitudinal direction of the groove (6, 14) arranged to each other, independently operable locking portions (13, 29, 32, 35, 41, 47).
14. Covering according to claim 12, characterized in that the holding portions (10, 27, 30, 37, 38, 50) a plurality of springs (9, 9a, 9b, 9c, 9d, 9e) in the region of the groove (6, 14) are connected.
15. Covering according to one of claims 1 to 14, characterized in that the locking portion (13, 29, 32, 35, 41, 47) of the spring (9, 9a, 9b, 9c, 9d, 9e) on its the upper side of facing panel (1, 2) side surface and / or looking at its bottom to the panel (1, 2) side surface has a profiling.
16. Covering according to one of claims 1 to 15, characterized in that the groove (6, 14) for receiving the locking portion (13, 29, 32, 35, 41, 47) of the spring (9, 9a, 9b, 9c, 9d, 9e) on its upper and / or lower groove side wall (7, 8; 17, 26) has a profiling.
17. Covering according to claim 16, characterized in that the profiling of the locking portion (13, 29, 32, 35, 41, 47) in the profile of the groove (6, 14).
18. Covering according to one of claims 1 to 17, characterized in that parts of the spring can assume two states, a state being a stable state and the other is a stable or metastable state.
PCT/DE2010/000803 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically WO2011012104A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102009034902.2A DE102009034902B4 (en) 2009-07-27 2009-07-27 Tiles mechanically interconnectable panels
DE102009034902.2 2009-07-27

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US13/387,562 US20120124932A1 (en) 2009-07-27 2010-07-10 Covering made from mechanically interconnectable panels
CN 201080028698 CN102482886B (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically
BR112012001893A BR112012001893A2 (en) 2009-07-27 2010-07-10 Coating panels together mechanically uníveis
EP10744854.0A EP2459818B1 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically
PL10744854T PL2459818T3 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically

Publications (2)

Publication Number Publication Date
WO2011012104A2 true WO2011012104A2 (en) 2011-02-03
WO2011012104A3 WO2011012104A3 (en) 2011-04-21

Family

ID=43448114

Family Applications (1)

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PCT/DE2010/000803 WO2011012104A2 (en) 2009-07-27 2010-07-10 Covering comprising panels that can be connected to each other mechanically

Country Status (7)

Country Link
US (1) US20120124932A1 (en)
EP (1) EP2459818B1 (en)
CN (1) CN102482886B (en)
BR (1) BR112012001893A2 (en)
DE (1) DE102009034902B4 (en)
PL (1) PL2459818T3 (en)
WO (1) WO2011012104A2 (en)

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Also Published As

Publication number Publication date
CN102482886B (en) 2014-07-30
PL2459818T3 (en) 2018-10-31
DE102009034902B4 (en) 2015-10-01
BR112012001893A2 (en) 2016-03-15
US20120124932A1 (en) 2012-05-24
WO2011012104A3 (en) 2011-04-21
EP2459818B1 (en) 2018-06-20
CN102482886A (en) 2012-05-30
DE102009034902A1 (en) 2011-02-17
EP2459818A2 (en) 2012-06-06

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