DE202005012603U1 - Floor covering, has several panel plates, each exhibiting bolting device at side of its head, and grooves provided in sides of heads of plates and forming channel, in which spring is interposed between neighboring panel plates - Google Patents

Abstract

The covering has several panel plates (1) that are configured in a rectangular manner, where each plate exhibits a bolting device at side of its head. Grooves (19, 20) are provided in the sides of the heads of the panel plates, where the grooves form a channel (21), in which a spring (22) is interposed between neighboring panel plates. The grooves extend over the length of the heads.

Description

The The invention relates to a floor covering according to the features in the preamble of claim 1.

Engineered flooring, Real wood flooring or laminate floors from several rows of predominantly rectangular in their configuration Floor panels. Conventionally, the floor panels have on one longitudinal side and a head side through grooves and on the opposite each long side or head side continuous springs which are adapted to the grooves form-fitting. Through the connection of tongue and groove are the floor panels laid, with the floor panels two adjacent rows are arranged offset from one another.

From JP 3-169967 it is known to form mechanical locking means on the grooves and on the springs, which engage in latching engagement with floorboards adjacent to a floor covering. As a result, a joint formation in the laid floor covering by Deh nungs- or shrinkage operations are avoided. A comparable solution suggests the DE 297 10 175 U1 in front.

Similar solutions also go from the DE 201 20 704 U1 or WO 98/58142 A1 and WO 96/27721 A1. At tongue and groove of the floor panels are adapted to each other locking elements in the form of recesses, recesses or projections to hold bonded floor panels in the assembled position glueless.

Difficult sometimes designed the assembly process of the panel plates. are namely the mechanical locking elements between tongue and groove first once at a longitudinal or head side hooked into each other, so it often causes difficulties the form-fitting Connection for to create the other side. As a rule, the floor panels along their long sides turned into each other or clicked and then moved laterally, so that the locking strips engage at the head sides. To facilitate this, you can from the opposite lying head side slight hammer blows with the help of a Schlagklotzes be applied. However, there is a risk that even with the most careful Work on damage on the floor panels can come.

Of the Invention is therefore based on the prior art, the task underlying, a floor covering consisting of panels panels laying technology to improve as well as the quality to increase the connection between laid panel panels.

The solution This object is according to the invention in a floor covering according to the characteristics of claim 1.

crux invention forms the measure, that grooves are provided in the top sides of the panel plates, wherein the grooves of two abutting head sides correspond and form a channel in which after laying from the longitudinal side the panels are pushed in a spring. The spring bridges the Push between the two panel plates.

The Locking strips on the head sides of the panel plates are so configured to interlock with adjacent panel panels can be placed. additional Effort or hammer blows from the opposite lying head side are for this not mandatory. The locking strips are engaged and prevent a pulling apart of the coupled panel plates in the longitudinal direction. Subsequently is from the long side the panel plates parallel to the head sides the spring in through the head-side grooves formed channel between adjacent ones Panel panels inserted. The spring stabilizes the connection between the panel plates in the joint area, being the bump between two panel plates is transversely bridged by the spring. The spring poses in particular a high load capacity of the joint area in the vertical direction for sure. The connection is in an advantageous installation of the floor panels stable and highly resilient.

advantageous Embodiments and developments of the basic concept of the invention are Subject of the dependent claims 2 to 11.

Preferably the grooves extend over the entire length the head pages.

The Springs are configured rectangular in cross-section and have along its vertical central longitudinal plane a thickness corresponding to the width of a groove. As a result, attacks the spring in the joint area between two panel plates accurately into the grooves or through the grooves formed channel, giving a reliable vertical Support in the joint area guaranteed between two panel plates is.

The springs are suitably made of plastic. Of course, other materials for the springs are conceivable. To facilitate the insertion process, it is provided that a spring from its vertical plane with plane to their side surfaces tapers and each has rounded side edge areas.

Farther advantageous if a spring has a rounded head end. This measure also facilitates the insertion process. At the opposite of the rounded headboard End of a spring is a recess, for example in the form of a Slot provided. Here, if necessary, a tool, for example a screwdriver, be attached to the spring in the channel to insert between two panel plates.

For the practice advantageous, both manufacturing technology and what the stability As regards a connection, if the ratio of the depth of a groove is too their width between 1.5: 1 and 2.5: 1, preferably at 2: 1, dimensioned is. The width of a spring is dimensioned slightly smaller than the width of the channel formed by the corresponding grooves.

Preferably Each panel has a base layer. The support layer is usually made a fiberboard, in particular an MDF or HDF board. The base course is with a top side layer and a bottom side back provided, wherein the grooves formed on the head sides in the support layer are.

The Grooves in the head sides are provided above the locking strips. A stable pull-out protection between two panel plates can be achieved by placing each panel plate on a 1st head side a 1st locking bar which is arranged below the groove in the first head side and the 1st locking bar a downwardly open 1st dome channel and has a downwardly directed end dome 1 Kuppelwulst. At the opposite lying 2nd head side of the panel plates is a bottom-projecting 2. Locking bar provided, whose bottom is in the plane the underside of the panel plate runs, with the 2nd locking bar an upwardly open second dome channel and an upward end second dome bulge has. When laying the panel panels each come the first locking bar and the second locking bar from adjacent Pa neelplatten engage each other, wherein the 1. dome bulge in the 2nd dome channel and the 2nd dome in the 1. engage dome channel of the adjacent panel plate. At in Engaging 1. locking strip and 2. locking strip Contact each other and in the same direction sloping flanks of the 1st dome bulge and the 2nd Kuppelwulstes. This configuration of the locking strips pull the Panels when coupling against each other, leaving a tight connection at the butt joint is ensured in the top layer. Adjacent panels touch each other on their head sides, preferably only on the cover layer and the Flanks of dome bulges.

The Invention is described below with reference to one shown in the drawings embodiment described in more detail. Show it:

1 in plan view, a section of a floor covering;

2 in the side view a vertical section through the head-side joint area between two panel plates according to the line II-II in the 1 and

3 a spring in the top view.

1 shows a floor covering, consisting of a plurality of laid in the composite rectangular panel panels 1 , The panel plates 1 each have on their head sides 2 . 3 , and on their long sides 4 . 5 Locking bars on. The locking strips arrive in the mounting position with adjacent panels in a covering with each other in engagement.

locking strips 6 . 7 on the head sides 2 respectively. 3 a panel plate 1 one recognizes in the 2 , In the 2 shown is a vertical section through the head-side joint area between two panel plates 1 so that you can connect to the head pages 2 . 3 looks. The locking strips, not shown on the long sides 4 . 5 a panel plate 1 can be configured differently than the locking bars 6 . 7 ,

A panel plate 1 consists of a base layer 8th made of fiber material, usually made of a high or medium density fiberboard, wherein the support layer 8th a top-side cover layer 9 and a bottom-back 10 having. The cover layer 9 may consist of a decorative paper with an overlay, which is the look of the floor panels 1 certainly. The so-called overlay or the seal forms a special resinous wear layer of lacquer, that of the floor panels 1 gives a high surface durability. The return 10 on the underside of the base layer 8th serves the dimensional stability and the moisture barrier.

Each panel plate 1 has a locking bar 6 (1st locking bar) on one side of the head 2 (1st head side) and a locking bar 7 (2nd locking strip) on the opposite side of the head 3 (2nd head page). The 1st locking bar 6 has a downwardly open 1st dome channel 11 and a downwardly directed end-side dome bulge 12 , The 2nd locking bar 7 on the opposite 2nd head side 3 a Pa neelplatte 1 is arranged on the bottom side and jumps opposite to the base layer 8th in front. The bottom 13 the 2nd locking bar 7 runs in the plane of the bottom 14 the panel plate 1 , The 2nd locking bar 7 has an upwardly open second dome channel 15 and an upward end second dome 16 on.

When engaged 1. locking track 6 and 2 , locking bar 7 grips the 1st dome bulge 12 in the 2nd dome channel 15 and the 2nd dome bulge 16 in the 1st dome channel 11 , In this case, contact the mutually facing and inclined in the same direction flanks 17 . 18 of the 1st dome bulge 12 and the 2nd dome bulge 16 , This creates a pressure point on the flanks 17 . 18 , which causes a force, which is a pulling together of the two panel plates 1 in the area of the top layer 9 generated so that the transition in the joint area of the two floor panels 1 at the top layer 9 almost seamless.

In the head pages 2 . 3 the panel plates 1 are grooves 19 . 20 formed over the entire length l _{1 of} the head sides 2 . 3 extend. As based on the 2 to recognize the grooves correspond 19 . 20 the abutting head sides 2 . 3 and form a channel 21 out. In this channel 21 is a spring 22 inserted.

The grooves 19 . 20 in the head pages 2 . 3 are above the locking bars 6 . 7 in the base course 8th intended.

A feather 22 in the plan view is in the 3 shown. The feather 22 is made of plastic and has a rectangular cross-section, the thickness d _{1 of} the spring 22 along its vertical central longitudinal plane VM of the width b _{1 of} a groove 19 . 20 equivalent. This will be the grooves 19 . 20 or from the corresponding grooves 19 . 20 formed channel 21 in the joint area between the two panel plates 1 vertically filled, giving a vertical support in the abutting area between two panel panels 1 is given and a force acting on the floor covering force is dissipated in the subsoil. From the vertical central longitudinal plane VM from the spring tapers 22 to their side surfaces 23 out, with rounded side edge areas 24 in the side areas 23 passes. This design is advantageous for the practical handling of the spring 22 and facilitates the insertion process into the channel 21 , Furthermore, the spring 22 with a rounded headboard 25 Mistake. This measure also supports the insertion process. At the rounded headboard 25 opposite end 26 is a recess 27 provided in the form of a slot. Here, a tool, such as a screwdriver, can be attached to the spring 22 insert.

The ratio of the depth t _{1 of} a groove 19 . 20 to its width b ₁ is sized between 1.5: 1 and 2.5: 1. In the illustrated embodiment, the ratio is 2: 1. The length l _{2 of} a spring 22 corresponds essentially to the width b _{P of} a panel plate 1 , The width b _{2 of} the spring 22 is slightly smaller than the width b _{3 of} a through the two grooves 19 . 20 formed channel 21 , With a channel width b ₃ of, for example, 12 mm, the spring width b _{2 is} measured at 11.5 mm.

1

panel plate

2

head

3

head

4

long side

5

long side

6

locking bar

7

locking bar

8th

base course

9

topcoat

10

return

11

1. dome channel

12

1. Kuppelwulst

13

Underside v. 7

14

Underside v. 1

15

Second dome channel

16

Second Kuppelwulst

17

Flank v. 12

18

Flank v. 16

19

groove

20

groove

21

channel

22

feather

23

Side surface of v. 22

24

Side edge region

25

Headboard v. 22

26

End of v. 22

27

recess

VM

vertical central longitudinal plane v. 22

₁

Length v. 2 . 3

l ₂

Length v. 22

d ₁

Thickness v. 22

b ₁

Width v. 19 . 20

t ₁

Depth v. 19 . 20

b ₂

Width v. 22

b ₃

Width v. 21

b _P

Width v. 1

Claims (11)

Floor covering consisting of a plurality of composite panel panels, wherein the panel plates are rectangular and have at their top sides and on their longitudinal sides locking strips, which engage in the mounting position with adjacent in a covering panel panels, characterized in that in the head sides ( 2 . 3 ) of the panel plates ( 1 ) Grooves ( 19 . 20 ) are provided, wherein the grooves ( 19 . 20 ) of two abutting head sides ( 2 . 3 ) and a channel ( 21 ) in which a spring ( 22 ) is inserted. Floor covering according to claim 1, characterized in that the grooves ( 19 . 20 ) over the length of the head sides ( 2 . 3 ). Floor covering according to claim 1 or 2, characterized in that the springs ( 22 ) are rectangular in cross-section and along their vertical central longitudinal plane (VM) have a thickness (d ₁ ) which corresponds to the width (b ₁ ) of a groove ( 19 . 20 ) corresponds. Floor covering according to one of claims 1 to 3, characterized in that each spring ( 22 ) extends from its vertical center longitudinal plane (VM) to its side surfaces (FIG. 23 ) and rounded side edge regions (FIG. 24 ) having. Floor covering according to one of claims 1 to 4, characterized in that each spring ( 22 ) a rounded headboard ( 25 ) and at the opposite end ( 26 ) a recess ( 27 ) having. Floor covering according to one of claims 1 to 5, characterized in that the ratio of the depth (t ₁ ) of a groove ( 19 . 20 ) to its width (b ₁ ) between 1.5: 1 and 2.5: 1, preferably 2: 1. Floor covering according to one of claims 1 to 6, characterized in that the springs ( 22 ) consist of plastic. Floor covering according to one of claims 1 to 7, characterized in that the grooves ( 19 . 20 ) in the headers ( 2 . 3 ) above the locking strips ( 6 . 7 ) are provided. Floor covering according to one of claims 1 to 8, characterized in that each panel ( 1 ) a base course ( 8th ) with a top-side cover layer ( 9 ) and a bottom-side countermove ( 10 ), wherein the grooves ( 19 . 20 ) in the base layer ( 8th ) are formed. Floor covering according to one of claims 1 to 9, characterized in that each panel ( 1 ) on a first side of the head ( 2 ) a 1. locking strip ( 6 ), which below the groove ( 19 ) in the first head ( 2 ) and the first locking strip ( 6 ) a downwardly open first dome channel ( 11 ) and a downwardly directed end-side dome ( 12 ) and on the opposite second head side ( 3 ) of the panel plate ( 1 ) a bottom projecting second locking strip ( 7 ) is provided, whose underside ( 13 ) in the plane of the underside ( 14 ) of the panel plate ( 1 ) and the second locking bar ( 7 ) an upwardly open second dome channel ( 15 ) and an upward end second dome ( 16 ) having. Floor covering according to claim 10, characterized in that, when the first locking strip (1) is engaged, 6 ) and 2. locking bar ( 7 ) the 1st dome bulge ( 12 ) in the 2nd dome channel ( 15 ) and the second dome ridge ( 16 ) in the 1st dome channel ( 11 ), wherein the mutually facing in the same direction inclined flanks ( 17 . 18 ) of the 1st dome bulge ( 12 ) and the second dome ridge ( 16 ) to contact.