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A device for joining floor boards

Info

Publication number
WO1993013280A1
WO1993013280A1 PCT/DK1992/000394 DK9200394W WO1993013280A1 WO 1993013280 A1 WO1993013280 A1 WO 1993013280A1 DK 9200394 W DK9200394 W DK 9200394W WO 1993013280 A1 WO1993013280 A1 WO 1993013280A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
shaped
plate
body
device
boards
Prior art date
Application number
PCT/DK1992/000394
Other languages
French (fr)
Inventor
Jørgensen C. J. Skovbo
Erik Sepstrup
Hans Storm
Original Assignee
Junckers Industrier A/S
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

Links

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
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/05Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0517U- or C-shaped brackets and clamps

Abstract

A device for joining floor boards comprises an elongated, plate-shaped body (1) with legs (2, 3) adapted to engage a longitudinal groove (14, 15) in each of the adjoining floor boards (12, 13). The legs (2, 3) are shaped at a distance from the ends of the plate-shaped body (1) in such a manner that the plate-shaped body (1) supports the boards (12, 13) on each side of the grooves (14 and 15).

Description

Title: A device for joining floor boards

Technical Field

The invention relates to a device for joining floor boards and comprising an elongated, plate-shaped body with a leg adapted to engage a longitudinal groove in each of the adjoining floor boards.

Background Art

Devices for mounting floor boards are known in form of substantially U-shaped clips. The legs of these clips are formed by way of bending and are optionally provided with barbs in such a manner that they are locked in grooves on the bottom side of the floor boards. Such clips are for instance known from EP-PS No. 126,764. The object of the clips is to keep adjoining floor boards together and optionally to press said boards together. As it is a question of relatively thick floor boards of a thickness of from approximately 12 to 22 mm, both the legs of the clips and the grooves receiving said legs can be shaped rather large without strict tolerance standards without acting on the already laid flooring. However, a flooring depends highly on the accuracy of the control of each floor board when subjected to oscil¬ lating effects, such as moisture. When it is a question of production of floorings made of relatively thin, solid floor boards of undressed wood and of a thickness of less than about 12 mm, it turned out to be impossible to obtain completely satisfactory results by means of the existing clips. Accordingly, it has only been possible previously to put down such floorings by gluing the boards together or by carrying out a hidden nailing at the tongue/groove connections. Both fastening methods can cause problems when the flooring is subjected to an oscillating moisture of the atmosphere. A low moistur of the atmosphere causes formation of chinks in the flooring, and a high moisture of the atmosphere has the effect that the flooring has a tendency to bulge up. The thinner the floor board is the faster the moisture in the wood and consequently also the size of the floor board changes or adjusts to the surroundings. Thin floorings have therefore necessitated development of a device eliminating these drawbacks.

Description of the Invention

The object of the invention is therefore to provide a device suited for use in connection with thin floorings , especially floorings made of solid undressed wood and subjected to a varying moisture of the atmosphere, and where said device allows a simple and fast laying of the looring.

The device according to the invention is characterised in that the legs are shaped at a distance from the ends of the plate—shaped body.

The resulting flooring can be mounted in a relatively easy and fast manner at the same time as it is reliable, which is due to the fact that the devices are fixedly and non— iltably arranged in each groove, said device comprising members abutting the bottom side of the floor board on each side of the groove. The device is advan¬ tageous both, during the laying procedure and in the already laid flooring. During the laying procedure the device is fastened by one leg thereof being arranged in the groove of one board where it is secured in such a manner that it cannot be moved, i.e. it cannot be turned or tilted away from the bottom side of the floor board. As a result, the device does not tend to fall out during the laying of the board in the desired horizontal posi¬ tion so as to be ready for being joined with yet another board. The groove of the other board is easily caused to engage the second leg of the device while the boards are pushed together by means of the tongue/groove connec¬ tion. If the device had been able to tilt relative to the first groove it engaged, it would have fallen out easily and thereby destroyed the rim of the relatively accurately shaped groove and optionally also the fine shaping tolerance of the leg. Then it would often be necessary to replace the device in question by a new device and arrange said new device on a new location relative to the groove. The connection between the device according to the invention and each board is thus capable of absorbing the torque in both directions about an axis of rotation extending along the groove of each board. As a result, a reliable keeping together of the boards of the already laid flooring is ensured.

According to the invention the legs of the device may be shaped by bending two webs projecting away from one another, said webs resulting from a punching out of a substantially I-shaped opening in each end of the plate- shaped body, where the two transverse legs of the I extend in the longitudinal direction of the plate—shaped body. The resulting device is particularly simple with a reliable, symmetrical structure.

The bent webs may according to the invention be of a substantially hook-shaped cross section, whereby a shape is obtained which ensures that the legs are easily inserted in a groove and are locked therein.

Finally according to the invention, the bent webs may be bent substantially perpendicular from the plate-shaped body at a distance from the location where the webs extend from the plate-shaped body and project into the punched out portion. In this manner it is ensured that the device is provided with a particularly accurate, rectangular transition from the plate—shaped portion to each leg with a relatively small radius of curvature with the result that the plate-shaped portion of the device is automatically positioned so as closely to abut the bottom side of the boards.

Brief Description of the Drawing

The invention is described in greater detail below with reference to the accompanying drawing, in which

Fig. 1 is a top view of a preferred embodiment of a device according to the invention,

Fig. 2 is a sectional view on a larger scale taken along the line II-II of Fig. 1, and

Fig. 3 illustrates a portion of a flooring laid by means of the device of Figs. 1 and 2.

Best Mode for Carrying Out the Invention

The device shown in the drawing comprises an elongated, plate-shaped body 1 of a substantially rectangular shape. The device comprises an upwardly projecting leg 2, 3 at each end, said legs being shaped integral with the plate—shaped body 1 by way of bending.

The legs 2 and 3 are produced in connection with their respective punched out I- or H—shaped opening 4 and 5, respectively. These openings 4 and 5 are shaped symmet¬ rically about the longitudinal central axis of the plate—shaped body 1 a short distance from each end of said plate—shaped body. The parallel legs of the I or the H extend parallel to the longitudinal symmetrical axis of the plate—shaped body 1. The legs 2 and 3 are shaped by the punched out web 6 and 7, respectively, being bent. The webs 6 and 7 project from the side of the opening 4, 5 adjacent the centre of the plate—shaped body 1 and Into said opening. As a result each leg 2, 3 is bent out from the plane of the plate—shaped body 1 a short distance from the connection of the web 6, 7 with the plate-shaped body 1 in such a manner that a short portion 8 and 9, respectively, of the web is flushing with the plate-shaped body 1. The radius of curvature of each leg 2, 3 at the transition 10 to the plate-shaped body 1 can therefore be shaped relatively small.

Each leg 2 and 3 is of a substantially hook-shaped form with the result that a sharp edge 11 is formed. The sharp edge ensures a good engagement of the leg and the board in question.

The legs 2 and 3 are, as mentioned, shaped on the side of the openings 4 and 5 adjacent the centre of the plate-shaped body 1 while being simultaneously bent in such a manner that the sharp edge 11 on the hook-shaped leg 2 and 3 faces away from the centre of the plate- shaped body 1. In this manner the legs 2 and 3 provide a particularly good resistance against the tendency of the floor boards to expand at the same time as the sharp edge 11 has a tendency to bite itself into the board in question by cutting into the wood on the same side as the portion of the plate—shaped body which extends from the legs 2, 3 to the ends. In this manner a self-in- creasing resistance is obtained against a turning or tilting of the device 1 relative to each board.

Fig. 3 illustrates two abutting floor boards 12 and 13 engaging one another by means of a groove/tongue connec- tion 14. Each board 12 and 13 comprises a longitudinal groove 14 and 15, respectively, on the bottom side, said grooves being manufactured with an accurate position relative and parallel to the longitudinal rims of the board 12 and 13. The grooves 14 and 15 are simultaneous- ly manufactured with relatively fine tolerances.

As illustrated, the boards 12 and 13 are mounted on the bottom side by means of a device of the type shown in igs. 1 and 2, where the plate—shaped body 1 extends transverse to the groove/tongue connection 14 of the boards 12 and 13 with a leg 2, 3 received in their re¬ spective groove 14, 15. It appears clearly, that the plate—shaped body extends to each side relative to each groove 14, 15 and is thereby abuttingly arranged against the boards 12 and 13 on both sides of the grooves 14 and 15.

The device according to the Invention is preferably made of plate—shaped spring steel of a thickness of about 0.75 mm, a width of 20 mm, and a length of 135 mm. The height of the legs relative to the plate-shaped body 1 is suitably of a dimension 3.1 mm, whereas their mutual distance is 111 mm. The distance between the side of the legs 2, 3 perpendicular to the plate-shaped body 1 ad¬ jacent the centre and the associated sharp edge 11 Is advantageously about 2.5 mm. Such a device is suited for use in connection with 8 mm thick solid boards of a width of 113.9 mm. The associated grooves are suitably 2.35 mm wide and 3.5 mm deep. Boards of a width of 129.0 mm involve the use of devices made of spring steel of a length of 150 mm. The mutual distance of the legs is 126.5 mm. All the remaining dimensions are the same as above.

The invention has been described with reference to a preferred embodiment of the invention. Many modifica¬ tions may be carried out without thereby deviating from the scope of the invention. Each leg may for instance be shaped as a double leg adjacent both longitudinal sides of the plate—shaped body with an Intermediary portion extending as an extension past the legs to the ends of the plate—shaped body 1.

Claims

Claims .
1. A device for joining floor boards and comprising an elongated, plate-shaped body with a leg adapted to engage a longitudinal groove in each of the adjoining floor boards, c h a r a c t e r i s e d in that the legs (2, 3) are shaped at a distance from the ends of the plate-shaped body (1).
2. A device as claimed in claim 1, c h a r a c t e r ¬ i s e d in that the legs (2, 3) are shaped by bending two webs (6, 7) projecting away from one another, said webs resulting from a punching out of a substantially I- shaped opening (4, 5) in each end of the plate-shaped body (1), where the two transverse legs of the I extend in the longitudinal direction of the plate-shaped body (1).
3. A device as claimed in claim l or 2, c h a r a c - e r i s e d in that the bent webs (6, 7) are of a substantially hook-shaped cross section.
4. A device as claimed in claim 3, c h a r a c t e r ¬ i s e d in that the bent webs (6, 7) are bent substan- tially perpendicular from the plate-shaped body at a distance from the location where the webs (6, 7) extend from the plate-shaped body (1) and project into the punched out portion.
PCT/DK1992/000394 1991-12-27 1992-12-22 A device for joining floor boards WO1993013280A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK2071/91 1991-12-27
DK207191A DK207191D0 (en) 1991-12-27 1991-12-27 A device for use in the assembly of gulvbraedder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19930902099 EP0624221A1 (en) 1991-12-27 1992-12-22 A device for joining floor boards
JP51136793A JPH07502580A (en) 1991-12-27 1992-12-22

Publications (1)

Publication Number Publication Date
WO1993013280A1 true true WO1993013280A1 (en) 1993-07-08

Family

ID=8109881

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1992/000394 WO1993013280A1 (en) 1991-12-27 1992-12-22 A device for joining floor boards

Country Status (5)

Country Link
JP (1) JPH07502580A (en)
CA (1) CA2125876A1 (en)
DK (1) DK207191D0 (en)
EP (1) EP0624221A1 (en)
WO (1) WO1993013280A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994026999A1 (en) * 1993-05-10 1994-11-24 Välinge Aluminium AB System for joining building boards
EP0843763A1 (en) 1996-06-11 1998-05-27 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
WO1998024994A1 (en) * 1996-12-05 1998-06-11 Välinge Aluminium AB Method for making a building board
WO1998024995A1 (en) * 1996-12-05 1998-06-11 Välinge Aluminium AB Method and equipment for making a building board
GB2322876A (en) * 1996-11-11 1998-09-09 Wu Chang Pen Flooring
WO1998040583A1 (en) * 1997-03-08 1998-09-17 Akzenta Paneele + Profile Gmbh Plate-shaped panel surface support
WO2001027410A1 (en) * 1999-10-12 2001-04-19 Junckers Industrier A/S Flooring comprising boards provided with slots adapted to recieve a plurality of clips which join adjacent boards together
EP1098048A1 (en) 1999-11-08 2001-05-09 Premark RWP Holdings, Inc. Interconnecting disengageable flooring system
WO2001048331A1 (en) * 1999-12-23 2001-07-05 Hamberger Industriewerke Gmbh Joint
US6324809B1 (en) 1997-11-25 2001-12-04 Premark Rwp Holdings, Inc. Article with interlocking edges and covering product prepared therefrom
US6332733B1 (en) 1999-12-23 2001-12-25 Hamberger Industriewerke Gmbh Joint
US6345481B1 (en) 1997-11-25 2002-02-12 Premark Rwp Holdings, Inc. Article with interlocking edges and covering product prepared therefrom
WO2002055808A1 (en) * 2001-01-15 2002-07-18 John Bjelkendal A device and method for joining floor elements
US6505452B1 (en) 1999-06-30 2003-01-14 Akzenta Paneele + Profile Gmbh Panel and fastening system for panels
US6536178B1 (en) 2000-03-10 2003-03-25 Pergo (Europe) Ab Vertically joined floor elements comprising a combination of different floor elements
US6591568B1 (en) 2000-03-31 2003-07-15 Pergo (Europe) Ab Flooring material
US6601359B2 (en) 2001-01-26 2003-08-05 Pergo (Europe) Ab Flooring panel or wall panel
US6647690B1 (en) 1999-02-10 2003-11-18 Pergo (Europe) Ab Flooring material, comprising board shaped floor elements which are intended to be joined vertically
EP1394335A2 (en) 1998-10-06 2004-03-03 Pergo (Europe) AB Flooring system
US6802166B1 (en) 1999-07-23 2004-10-12 M. Kaindl Component or assembly of same and fixing clip therefor
US6804926B1 (en) 1999-07-02 2004-10-19 Akzenta Paneele + Profile Gmbh Method for laying and interlocking panels
FR2860256A1 (en) 2003-09-25 2005-04-01 Vtec Sarl Modular structure for temporary floor installation has metal beams with stamped-out clips to engage with grooved edges of surface slats
WO2006002818A1 (en) * 2004-07-01 2006-01-12 Albrecht Epple Surface coating
US7021019B2 (en) 2002-09-18 2006-04-04 Kaindl Flooring Gmbh Panels with connecting clip
EP1790795A1 (en) * 2005-11-28 2007-05-30 Cuncator AB Floor System
US7802415B2 (en) 2001-07-27 2010-09-28 Valinge Innovation Ab Floor panel with sealing means
US7841150B2 (en) 2002-04-03 2010-11-30 Valinge Innovation Ab Mechanical locking system for floorboards
US7845133B2 (en) 2000-04-10 2010-12-07 Valinge Innovation Ab Locking system for floorboards
US7874119B2 (en) 1999-04-30 2011-01-25 Valinge Innovation Ab Locking system, floorboard comprising such a locking system, as well as method for making floorboards
US7913471B2 (en) 1998-06-03 2011-03-29 Valinge Innovation Ab Locking system and flooring board
US8006458B1 (en) 1998-10-06 2011-08-30 Pergo AG Flooring material comprising board shaped floor elements which are joined vertically by means of separate assembly profiles
US8011155B2 (en) 2000-01-24 2011-09-06 Valinge Innovation Ab Locking system for mechanical joining of floorboards and method for production thereof
EP2400076A1 (en) 2003-12-18 2011-12-28 Pergo (Europe) AB A joint for a panel
US8112891B2 (en) 2003-02-24 2012-02-14 Valinge Innovation Ab Method for manufacturing floorboard having surface layer of flexible and resilient fibers
DE202012002920U1 (en) 2012-03-21 2012-04-24 Rolf Espe Coupling elements for floor panels, which allow a vertical coupling and unlocking without damage
US8171692B2 (en) 2005-05-20 2012-05-08 Valinge Innovation Ab Mechanical locking system for floor panels
US8245478B2 (en) 2006-01-12 2012-08-21 Välinge Innovation AB Set of floorboards with sealing arrangement
US8276342B2 (en) 1995-03-07 2012-10-02 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US8375673B2 (en) 2002-08-26 2013-02-19 John M. Evjen Method and apparatus for interconnecting paneling
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US8516767B2 (en) 2005-07-11 2013-08-27 Pergo (Europe) Ab Joint for panels
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US8833029B2 (en) 2002-11-12 2014-09-16 Kronotec Ag Floor panel
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US6182410B1 (en) 1993-05-10 2001-02-06 Välinge Aluminium AB System for joining building boards
EP0698162A1 (en) 1993-05-10 1996-02-28 Välinge Aluminium Ab System for joining building boards
US5706621A (en) * 1993-05-10 1998-01-13 Valinge Aluminum Ab System for joining building boards
US7856785B2 (en) 1993-05-10 2010-12-28 Valinge Innovation Ab Floor panel with a tongue, groove and a strip
WO1994026999A1 (en) * 1993-05-10 1994-11-24 Välinge Aluminium AB System for joining building boards
USRE39439E1 (en) * 1993-05-10 2006-12-26 Valinge Aluminium Ab System for joining building boards
EP0855482A2 (en) * 1993-05-10 1998-07-29 Välinge Aluminium AB A method for laying and mechanically joining building panels and a method for producing a floor
EP0969163A3 (en) * 1993-05-10 2000-02-02 Välinge Aluminium AB An edge lock for use in a flooring system
US5860267A (en) * 1993-05-10 1999-01-19 Valinge Aluminum Ab Method for joining building boards
EP0877130A2 (en) * 1993-05-10 1998-11-11 Välinge Aluminium AB A flooring system comprising a plurality of floor panels which are mechanically connected to each other
EP0877130A3 (en) * 1993-05-10 1998-11-18 Välinge Aluminium AB A flooring system comprising a plurality of floor panels which are mechanically connected to each other
EP0855482A3 (en) * 1993-05-10 1998-11-18 Välinge Aluminium AB A method for laying and mechanically joining building panels and a method for producing a floor
EP0969164A3 (en) * 1993-05-10 2000-02-02 Välinge Aluminium AB A method for laying and mechanically joining floor panels and a method for producing a floor
EP0969163A2 (en) * 1993-05-10 2000-01-05 Välinge Aluminium AB An edge lock for use in a flooring system
EP0969164A2 (en) * 1993-05-10 2000-01-05 Välinge Aluminium AB A method for laying and mechanically joining floor panels and a method for producing a floor
US6023907A (en) * 1993-05-10 2000-02-15 Valinge Aluminium Ab Method for joining building boards
US9032685B2 (en) 1995-03-07 2015-05-19 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US8875465B2 (en) 1995-03-07 2014-11-04 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US8276342B2 (en) 1995-03-07 2012-10-02 Pergo (Europe) Ab Flooring panel or wall panel and use thereof
US6874292B2 (en) 1996-06-11 2005-04-05 Unilin Beheer Bv, Besloten Vennootschap Floor panels with edge connectors
US6993877B2 (en) 1996-06-11 2006-02-07 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
EP2280134A2 (en) 1996-06-11 2011-02-02 Unilin Beheer B.V. A floor panel and a method for manufacturing the same
US8997429B2 (en) 1996-06-11 2015-04-07 Unilin Beheer B.V. Floor panels with edge connectors
US6006486A (en) * 1996-06-11 1999-12-28 Unilin Beheer Bv, Besloten Vennootschap Floor panel with edge connectors
EP2031149A2 (en) 1996-06-11 2009-03-04 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP1589161A3 (en) * 1996-06-11 2005-12-14 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP2031148A2 (en) 1996-06-11 2009-03-04 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP2031147A2 (en) 1996-06-11 2009-03-04 Unilin Beheer B.V. Hard floor panels, floor coverings consisting of hard floor panels, methods of assembling hard floor panels and method for manufacturing such floor panels
US7040068B2 (en) 1996-06-11 2006-05-09 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
EP1589161A2 (en) 1996-06-11 2005-10-26 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
US6955020B2 (en) 1996-06-11 2005-10-18 Unilin Beheer Bv, Besloten Vennootschap Floor panels with edge connectors
EP2280135A2 (en) 1996-06-11 2011-02-02 Unilin Beheer B.V. Method for manufacturing a hard floor panel
EP2280132A2 (en) 1996-06-11 2011-02-02 Unilin Beheer B.V. Floor panel
EP2077358A2 (en) 1996-06-11 2009-07-08 Unilin Beheer B.V. Hard floor panel, floor covering, assembling method and manufacturing method for floor panels
EP2280133A2 (en) 1996-06-11 2011-02-02 Unilin Beheer B.V. Hard floor panel and method for manufacturing the same
EP2280131A2 (en) 1996-06-11 2011-02-02 Unilin Beheer B.V. Floor panel
EP2275622A2 (en) 1996-06-11 2011-01-19 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP2275623A2 (en) 1996-06-11 2011-01-19 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP0843763A1 (en) 1996-06-11 1998-05-27 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
EP2116668A1 (en) 1996-06-11 2009-11-11 Unilin Beheer B.V. Hard floor panel
EP1541778A1 (en) 1996-06-11 2005-06-15 Unilin Beheer B.V. Floor covering, consisting of hard floor panels and method for manufacturing such floor panels
GB2322876A (en) * 1996-11-11 1998-09-09 Wu Chang Pen Flooring
US6094882A (en) * 1996-12-05 2000-08-01 Valinge Aluminium Ab Method and equipment for making a building board
WO1998024994A1 (en) * 1996-12-05 1998-06-11 Välinge Aluminium AB Method for making a building board
WO1998024995A1 (en) * 1996-12-05 1998-06-11 Välinge Aluminium AB Method and equipment for making a building board
US6205639B1 (en) 1996-12-05 2001-03-27 Valinge Aluminum Ab Method for making a building board
WO1998040583A1 (en) * 1997-03-08 1998-09-17 Akzenta Paneele + Profile Gmbh Plate-shaped panel surface support
US6345481B1 (en) 1997-11-25 2002-02-12 Premark Rwp Holdings, Inc. Article with interlocking edges and covering product prepared therefrom
US6324809B1 (en) 1997-11-25 2001-12-04 Premark Rwp Holdings, Inc. Article with interlocking edges and covering product prepared therefrom
US9322162B2 (en) 1998-02-04 2016-04-26 Pergo (Europe) Ab Guiding means at a joint
US7954295B2 (en) 1998-06-03 2011-06-07 Valinge Innovation Ab Locking system and flooring board
US7913471B2 (en) 1998-06-03 2011-03-29 Valinge Innovation Ab Locking system and flooring board
US8429869B2 (en) 1998-06-03 2013-04-30 Valinge Innovation Ab Locking system and flooring board
US9528276B2 (en) 1998-06-03 2016-12-27 Valinge Innovation Ab Locking system and flooring board
US8869486B2 (en) 1998-06-03 2014-10-28 Valinge Innovation Ab Locking system and flooring board
EP1394335A2 (en) 1998-10-06 2004-03-03 Pergo (Europe) AB Flooring system
US6763643B1 (en) 1998-10-06 2004-07-20 Pergo (Europe) Ab Flooring material comprising flooring elements which are assembled by means of separate joining elements
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Also Published As

Publication number Publication date Type
EP0624221A1 (en) 1994-11-17 application
CA2125876A1 (en) 1993-07-08 application
DK207191D0 (en) 1991-12-27 grant
JPH07502580A (en) 1995-03-16 application

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