EP3623544B1 - Mechanical locking system for floor panels - Google Patents
Mechanical locking system for floor panels Download PDFInfo
- Publication number
- EP3623544B1 EP3623544B1 EP19206640.5A EP19206640A EP3623544B1 EP 3623544 B1 EP3623544 B1 EP 3623544B1 EP 19206640 A EP19206640 A EP 19206640A EP 3623544 B1 EP3623544 B1 EP 3623544B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- tongue
- building panels
- groove
- panels according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 claims description 29
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 description 58
- 239000000463 material Substances 0.000 description 9
- 239000011162 core material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000007667 floating Methods 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229920002522 Wood fibre Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 linoleum Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0547—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted to be moved perpendicular to the joint edge
Definitions
- the invention generally relates to the field of mechanical locking systems for floor panels and building panels and production methods to insert a tongue into a groove.
- Embodiments of the present invention are particularly suitable for use in floating floors, which are formed of floor panels which are joined mechanically with a locking system integrated with the floor panel, i.e. mounted at the factory, are made up of one or more upper layers of wood or wood veneer, decorative laminate, powder based surfaces or decorative plastic material, an intermediate core of wood-fibre-based material or plastic material and preferably a lower balancing layer on the rear side of the core.
- Floor panels with a surface layer of cork, linoleum, rubber or soft wear layers, for instance needle felt glued to a board, printed and preferably also varnished surface and floors with hard surfaces such as stone, tile and similar materials are included.
- Embodiments of the invention may also be used for joining building panels which preferably contain a board material for instance wall panels, ceilings, furniture components and similar.
- the long and short edges are mainly used to simplify the description of embodiments of the invention.
- the panels may be square.
- the invention is preferably used on the short edges. It should be emphasised that the invention may be used in any floor panel and it may be combined with all types of known locking system formed on the long edges, where the floor panels are intended to be joined using a mechanical locking system connecting the panels in the horizontal and vertical directions on at least two adjacent sides.
- Laminate flooring usually comprise a core of a 6-12 mm fibre board, a 0,2-0,8 mm thick upper decorative surface layer of laminate and a 0.1-0.6 mm thick lower balancing layer of laminate, plastic, paper or like material.
- a laminate surface comprises melamine-impregnated paper.
- the most common core material is fibreboard with high density and good stability usually called HDF - High Density Fibreboard. Sometimes also MDF - Medium Density Fibreboard - is used as core.
- Laminate floorings are joined mechanically by means of so-called mechanical locking systems. These systems comprise locking means, which lock the panels horizontally and vertically.
- the mechanical locking systems are usually formed by machining of the core of the panel.
- parts of the locking system may be formed of a separate material, for instance aluminium or HDF, which is integrated with the floor panel, i.e. joined with the floor panel in connection with the manufacture thereof.
- the visible surface of the installed floor panel is called “front side”, while the opposite side of the floor panel, facing the sub floor, is called “rear side”.
- the edge between the front and rear side is called “joint edge”.
- horizontal plane is meant a plane, which extends parallel to the outer part of the surface layer.
- Immediately juxtaposed upper parts of two adjacent joint edges of two joined floor panels together define a “vertical plane” perpendicular to the horizontal plane.
- vertical locking is meant locking parallel to the vertical plan.
- horizontal locking is meant locking parallel to the horizontal plane.
- up is meant towards the front side, by “down” towards the rear side, by “inwardly” mainly horizontally towards an inner and centre part of the panel and by “outwardly” mainly horizontally away from the centre part of the panel.
- locking systems co acting connecting elements, which connect the floor panels vertically and/or horizontally.
- the long edges are installed by angling.
- the panel is than displaced in locked position along the long side.
- the short edges are locked by horizontal snapping.
- the vertical connection is generally a tongue and a groove.
- a strip with a locking element is bent and when the edges are in contact, the strip springs back and a locking element enters a locking groove and locks the panels horizontally.
- Such a snap connection is complicated since a hammer and a tapping block may need to be used to overcome the friction between the long edges and to bend the strip during the snapping action.
- Similar locking systems may also be produced with a rigid strip and they are connected with an angling-angling method where both short and long edges are angled into a locked position.
- a flexible tongue 30 is during locking displaced in a horizontally extending displacement groove 40 and into a tongue groove 20 of an adjacent panel.
- the displaceable tongue locks the edges vertically and a strip 6 with a locking element that cooperates with a locking groove 14 locks the panels horizontally.
- the locking is a combination of vertical displacement and turning similar to a scissor action.
- the tongue is gradually displaced inwardly during locking from one inner edge to an outer edge as shown in figure 1d such that the tongue is bent in the length direction.
- Such systems are referred to as vertical snap systems and they provide an automatically locking during the folding action.
- High locking force can only be accomplished with high snapping resistance when the tongue is pressed inwardly and bent in the length direction. This creates separation forces that tend to push the panels apart during folding. The locking may lose its strength if the flexibility and pressing force of the tongue decreases over time.
- the flexibility must be considerable and allow that a flexible tongue is displaced in two directions about 1-2 mm.
- the material, which is used to produce such tongues, is rather expensive and glass fibres are generally used to reinforce the flexible tongue.
- An overall objective of embodiment of the present invention is to provide a locking system for primarily rectangular floor panels with long and short edges installed in parallel rows, which allows that the short edges may be locked to each other automatically without a snap action that creates a locking resistance and separation forces of the short edges during folding.
- the present invention provides a locking system with a separate displaceable tongue that may be bent in length direction with a lower separation force and that comprises means that prevent the tongue to unlock after locking.
- An aspect of the invention is building panels provided with a locking system for vertical locking of a first and a second building panel by a vertical displacement of the panels relative each other.
- a displaceable tongue is inserted into a sidewardly open displacement groove provided at an edge of the first panel.
- Said tongue cooperates with a tongue groove provided at an adjacent edge of the second panel for locking the edges vertically.
- a strip protrudes below the displacement groove and outwardly beyond the upper part of the edge or below the tongue groove and outwardly beyond the upper part of the adjacent edge.
- the displaceable tongue comprises a pulling extension at its outer part configured to cooperate with a pulling protrusion formed at an edge of the adjacent panel such that the displaceable tongue is pulled out from the displacement groove and into the tongue groove when the edges of the panels are displaced vertically against each other.
- the displaceable tongue comprises a locking hook for preventing unlocking.
- Said pulling protrusion may be part of the tongue groove.
- the pulling extension may be inclined in relation to a main horizontal plane of the panels.
- the pulling protrusion may be inclined in relation to a main horizontal plane of the panels.
- the displaceable tongue may be provided with a locking hook that prevents the tongue to slide back into the displacement groove after locking.
- the locking hook may lock against an outer part of the displacement groove.
- Figures 2a-2e show a short edge locking system provided with a flexible and displaceable tongue 30 in an edge of a first panel 1 inserted in a horizontally extending displacement groove 40.
- the displaceable tongue 30 has a pulling extension 31 comprising a tongue pulling surface 32 and tongue locking surface 33.
- the second adjacent panel 1' has a pulling protrusion 21 with a groove pulling surface 22 that is also a part of a tongue groove 20 comprising a groove locking surface 23.
- the pulling surfaces 22, 32 cooperate during the vertical displacement and pull the displaceable tongue 30 into a tongue groove 20.
- the pulling extension 31 comprises a tongue locking surface 33 that locks against a groove locking surface 23 and prevents vertical displacement of the edges in a first vertical direction.
- a locking strip 6 and a lower part 39 of the adjacent panel locks the edges in a second vertical direction.
- a locking element 8 and a locking groove 14 locks the edges horizontally together with the upper edges.
- the vertical connection may be used without the horizontal locking as shown by figure 2e .
- Short edges may be locked horizontally by for example friction between long edges.
- the tongue may be attached into a displacement groove 40 formed on the panel comprising the strip 6, the strip panel, or on the panel comprising the locking groove, the groove panel, as shown in figures 3a-3c .
- the pulling protrusion 21 may extend upwardly or downwardly and the displacement groove may be inclined against the horizontal plane HP.
- Figures 4a-4c show that the strip 6 may be formed as a separate material.
- the pulling protrusion 21 may be flexible and this may eliminate production tolerances and facilitate the displacement of the tongue 30 into the tongue groove 20 during folding.
- Figures 5a-5e show that the displaceable tongue 30 may comprise a locking hook 34 that may serve as a friction connection to prevent the tongue 30 from falling out from the groove 40 but also to prevent the tongue from sliding back after locking.
- the locking angle A1 is preferably about 45 degrees or higher. A higher angle facilitates displacement into the tongue groove 20 but also backward displacement. This may be prevented by a hook connection 34 that preferably locks against an upper or lower part of the displacement groove 40.
- the hook connection is pressed into the groove by a hammer that inserts the tongue 30 into the groove 40 during production.
- the hook 34 slides against a bevel formed at the displacement groove 40 as shown in figure 5c .
- the upper part of the locking element 8 is preferably located vertically below the tongue locking surface 33 as shown in figure 5d . This gives a stronger locking.
- the locking system may have a geometry that allows locking and unlocking with angling.
- Figures 6a-6c show that the displaceable tongue 30 turns and bends in the length direction during folding when an inner short edge of the tongue, as shown in figure 6b is in locked position and an outer short edge of the tongue 30 is in unlocked position as shown in figure 6d .
- the locking function may be improved if cavities 35 are formed on the displaceable tongue 30. Locking may also be improved if the locking surface 32 at an edge has a lower angle than at an inner part as shown in figures 6b and 6c .
- the cavities 35 may be formed at tongue section where the locking hooks 34 are formed.
- the displaceable tongue 30 comprises preferably a polymer material and is preferably formed by injection moulding.
- Figures 7a-7d show that the locking hook 34 may comprise a hook part 34a that is used to press the hook connection upwards by inserting rails 36 during the insertion of the tongue 30 into the displacement groove 40.
- Figures 8a-8c show that the locking hook 34 may be used to prevent unlocking in any locking system where a tongue is displaced in a groove from an inner position to an outer position.
- the shown locking system comprises pushing protrusions 38 located in pushing cavities 37. The pushing protrusions slide against the locking element 8 and push the tongue 30 into a tongue groove 20.
- the locking element 8 is preferably located vertically below the cooperating locking surfaces 23,33 of the tongue 30 and the tongue groove 20.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
- The invention generally relates to the field of mechanical locking systems for floor panels and building panels and production methods to insert a tongue into a groove.
- Embodiments of the present invention are particularly suitable for use in floating floors, which are formed of floor panels which are joined mechanically with a locking system integrated with the floor panel, i.e. mounted at the factory, are made up of one or more upper layers of wood or wood veneer, decorative laminate, powder based surfaces or decorative plastic material, an intermediate core of wood-fibre-based material or plastic material and preferably a lower balancing layer on the rear side of the core. Floor panels with a surface layer of cork, linoleum, rubber or soft wear layers, for instance needle felt glued to a board, printed and preferably also varnished surface and floors with hard surfaces such as stone, tile and similar materials are included. Embodiments of the invention may also be used for joining building panels which preferably contain a board material for instance wall panels, ceilings, furniture components and similar.
- The following description of prior-art technique, problems of known systems and objects and features of the invention will therefore, as a non-restrictive example, be aimed above all at this field of application and in particular at panels formed as rectangular floor panels with long and shorts edges intended to be mechanically joined to each other on both long and short edges.
- The long and short edges are mainly used to simplify the description of embodiments of the invention. The panels may be square. The invention is preferably used on the short edges. It should be emphasised that the invention may be used in any floor panel and it may be combined with all types of known locking system formed on the long edges, where the floor panels are intended to be joined using a mechanical locking system connecting the panels in the horizontal and vertical directions on at least two adjacent sides.
- Laminate flooring usually comprise a core of a 6-12 mm fibre board, a 0,2-0,8 mm thick upper decorative surface layer of laminate and a 0.1-0.6 mm thick lower balancing layer of laminate, plastic, paper or like material. A laminate surface comprises melamine-impregnated paper. The most common core material is fibreboard with high density and good stability usually called HDF - High Density Fibreboard. Sometimes also MDF - Medium Density Fibreboard - is used as core.
- Laminate floorings are joined mechanically by means of so-called mechanical locking systems. These systems comprise locking means, which lock the panels horizontally and vertically. The mechanical locking systems are usually formed by machining of the core of the panel. Alternatively, parts of the locking system may be formed of a separate material, for instance aluminium or HDF, which is integrated with the floor panel, i.e. joined with the floor panel in connection with the manufacture thereof.
- The main advantages of floating floors with mechanical locking systems are that they are easy to install. They may also easily be taken up again and used once more at a different location.
- In the following text, the visible surface of the installed floor panel is called "front side", while the opposite side of the floor panel, facing the sub floor, is called "rear side". The edge between the front and rear side is called "joint edge". By "horizontal plane" is meant a plane, which extends parallel to the outer part of the surface layer. Immediately juxtaposed upper parts of two adjacent joint edges of two joined floor panels together define a "vertical plane" perpendicular to the horizontal plane. By "vertical locking" is meant locking parallel to the vertical plan. By "horizontal locking" is meant locking parallel to the horizontal plane.
- By "up" is meant towards the front side, by "down" towards the rear side, by "inwardly" mainly horizontally towards an inner and centre part of the panel and by "outwardly" mainly horizontally away from the centre part of the panel.
- By "locking systems" are meant co acting connecting elements, which connect the floor panels vertically and/or horizontally.
- For mechanical joining of long edges as well as short edges in the vertical and in the first horizontal direction perpendicular to the edges several methods may be used. One of the most used methods is the angle-snap method. The long edges are installed by angling. The panel is than displaced in locked position along the long side. The short edges are locked by horizontal snapping. The vertical connection is generally a tongue and a groove. During the horizontal displacement, a strip with a locking element is bent and when the edges are in contact, the strip springs back and a locking element enters a locking groove and locks the panels horizontally. Such a snap connection is complicated since a hammer and a tapping block may need to be used to overcome the friction between the long edges and to bend the strip during the snapping action.
- Similar locking systems may also be produced with a rigid strip and they are connected with an angling-angling method where both short and long edges are angled into a locked position.
- Recently new and very efficient locking systems have been introduced with a separate flexible or displaceable integrated tongue on the short edge that allows installation with only an angling action, generally referred to as "vertical folding". Such a system is described in
WO 2006/043893 (Valinge Innovation AB ).WO 2013/017575 A1 also discloses building panels with a displaceable tongue with a pulling extension. - Several versions are used on the market. One of the most used versions is shown in
figures 1a-1d . Aflexible tongue 30 is during locking displaced in a horizontally extendingdisplacement groove 40 and into atongue groove 20 of an adjacent panel. The displaceable tongue locks the edges vertically and astrip 6 with a locking element that cooperates with alocking groove 14 locks the panels horizontally. The locking is a combination of vertical displacement and turning similar to a scissor action. The tongue is gradually displaced inwardly during locking from one inner edge to an outer edge as shown infigure 1d such that the tongue is bent in the length direction. Such systems are referred to as vertical snap systems and they provide an automatically locking during the folding action. - Although such systems are very efficient, there is still a room for improvements.
- High locking force can only be accomplished with high snapping resistance when the tongue is pressed inwardly and bent in the length direction. This creates separation forces that tend to push the panels apart during folding. The locking may lose its strength if the flexibility and pressing force of the tongue decreases over time.
- The flexibility must be considerable and allow that a flexible tongue is displaced in two directions about 1-2 mm. The material, which is used to produce such tongues, is rather expensive and glass fibres are generally used to reinforce the flexible tongue.
- It would be a major advantage if snapping could be eliminated in a system that locks automatically during folding.
- An overall objective of embodiment of the present invention is to provide a locking system for primarily rectangular floor panels with long and short edges installed in parallel rows, which allows that the short edges may be locked to each other automatically without a snap action that creates a locking resistance and separation forces of the short edges during folding.
- The present invention provides a locking system with a separate displaceable tongue that may be bent in length direction with a lower separation force and that comprises means that prevent the tongue to unlock after locking.
- The above objects of embodiment of the invention may be achieved wholly or partly by locking systems and floor panels according to the disclosure. Embodiments of the invention are evident from the from the description and drawings.
- An aspect of the invention is building panels provided with a locking system for vertical locking of a first and a second building panel by a vertical displacement of the panels relative each other. A displaceable tongue is inserted into a sidewardly open displacement groove provided at an edge of the first panel. Said tongue cooperates with a tongue groove provided at an adjacent edge of the second panel for locking the edges vertically. A strip protrudes below the displacement groove and outwardly beyond the upper part of the edge or below the tongue groove and outwardly beyond the upper part of the adjacent edge. The displaceable tongue comprises a pulling extension at its outer part configured to cooperate with a pulling protrusion formed at an edge of the adjacent panel such that the displaceable tongue is pulled out from the displacement groove and into the tongue groove when the edges of the panels are displaced vertically against each other. The displaceable tongue comprises a locking hook for preventing unlocking.
- Said pulling protrusion may be part of the tongue groove.
- The pulling extension may be inclined in relation to a main horizontal plane of the panels.
- The pulling protrusion may be inclined in relation to a main horizontal plane of the panels.
- The displaceable tongue may be provided with a locking hook that prevents the tongue to slide back into the displacement groove after locking.
- The locking hook may lock against an outer part of the displacement groove.
- The disclosure will in the following be described in connection to exemplary embodiments and in greater detail with reference to the appended exemplary drawings, wherein:
- Figs 1a-d
- illustrate locking systems according to known technology.
- Figs 2a-e
- illustrate a short edge locking system.
- Figs 3a-3c
- illustrate a short edge locking system according to not claimed embodiments.
- Figs 4a-c
- illustrate not claimed embodiments of short edge locking systems with a separate strip.
- Figs 5a-e
- illustrate a locking system according to the invention with a locking hook that prevents unlocking.
- Figs 6a-d
- illustrate a tongue according to an embodiment of the invention with increased flexibility related to bending in length direction.
- Figs 7a-d
- illustrate a method according to an embodiment of the invention to insert a tongue into a groove.
- Figs 8a-c
- illustrate an embodiment of the invention.
- To facilitate understanding, several locking systems in the figures are shown schematically. It should be emphasised that improved or different functions may be achieved using combinations of the embodiments.
- All embodiments may be used separately or in combinations. Angles, dimensions, rounded parts, spaces between surfaces etc. are only examples that may be adjusted within the basic principles of the invention.
-
Figures 2a-2e show a short edge locking system provided with a flexible anddisplaceable tongue 30 in an edge of afirst panel 1 inserted in a horizontally extendingdisplacement groove 40. Thedisplaceable tongue 30 has a pullingextension 31 comprising atongue pulling surface 32 andtongue locking surface 33. The second adjacent panel 1' has a pullingprotrusion 21 with agroove pulling surface 22 that is also a part of atongue groove 20 comprising agroove locking surface 23. The pulling surfaces 22, 32 cooperate during the vertical displacement and pull thedisplaceable tongue 30 into atongue groove 20. The pullingextension 31 comprises atongue locking surface 33 that locks against agroove locking surface 23 and prevents vertical displacement of the edges in a first vertical direction. A lockingstrip 6 and alower part 39 of the adjacent panel locks the edges in a second vertical direction. A lockingelement 8 and a lockinggroove 14 locks the edges horizontally together with the upper edges. The vertical connection may be used without the horizontal locking as shown byfigure 2e . Short edges may be locked horizontally by for example friction between long edges. - The tongue may be attached into a
displacement groove 40 formed on the panel comprising thestrip 6, the strip panel, or on the panel comprising the locking groove, the groove panel, as shown infigures 3a-3c . The pullingprotrusion 21 may extend upwardly or downwardly and the displacement groove may be inclined against the horizontal plane HP. -
Figures 4a-4c show that thestrip 6 may be formed as a separate material. The pullingprotrusion 21 may be flexible and this may eliminate production tolerances and facilitate the displacement of thetongue 30 into thetongue groove 20 during folding. -
Figures 5a-5e show that thedisplaceable tongue 30 may comprise alocking hook 34 that may serve as a friction connection to prevent thetongue 30 from falling out from thegroove 40 but also to prevent the tongue from sliding back after locking. The locking angle A1 is preferably about 45 degrees or higher. A higher angle facilitates displacement into thetongue groove 20 but also backward displacement. This may be prevented by ahook connection 34 that preferably locks against an upper or lower part of thedisplacement groove 40. The hook connection is pressed into the groove by a hammer that inserts thetongue 30 into thegroove 40 during production. Thehook 34 slides against a bevel formed at thedisplacement groove 40 as shown infigure 5c . The upper part of thelocking element 8 is preferably located vertically below thetongue locking surface 33 as shown infigure 5d . This gives a stronger locking. The locking system may have a geometry that allows locking and unlocking with angling. -
Figures 6a-6c show that thedisplaceable tongue 30 turns and bends in the length direction during folding when an inner short edge of the tongue, as shown infigure 6b is in locked position and an outer short edge of thetongue 30 is in unlocked position as shown infigure 6d . The locking function may be improved ifcavities 35 are formed on thedisplaceable tongue 30. Locking may also be improved if the lockingsurface 32 at an edge has a lower angle than at an inner part as shown infigures 6b and 6c . Thecavities 35 may be formed at tongue section where the locking hooks 34 are formed. Thedisplaceable tongue 30 comprises preferably a polymer material and is preferably formed by injection moulding. -
Figures 7a-7d show that the lockinghook 34 may comprise ahook part 34a that is used to press the hook connection upwards by insertingrails 36 during the insertion of thetongue 30 into thedisplacement groove 40. -
Figures 8a-8c show that the lockinghook 34 may be used to prevent unlocking in any locking system where a tongue is displaced in a groove from an inner position to an outer position. The shown locking system comprises pushingprotrusions 38 located in pushingcavities 37. The pushing protrusions slide against the lockingelement 8 and push thetongue 30 into atongue groove 20. The lockingelement 8 is preferably located vertically below the cooperating locking surfaces 23,33 of thetongue 30 and thetongue groove 20.
Claims (15)
- Building panels provided with a locking system for vertical locking of a first (1) and a second (1') building panel by a vertical displacement of said building panels (1,1') relative each other, a displaceable tongue (30) being inserted into a sidewardly open displacement groove (40) provided at an edge of the first building panel,wherein said displaceable tongue is configured to cooperate with a tongue groove (20) provided at an adjacent edge of the second building panel (1') for locking the edge and the adjacent edge vertically,wherein a strip (6) protrudes:below the displacement groove and outwardly beyond the upper part of the edge; orbelow the tongue groove and outwardly beyond the upper part of the adjacent edge,wherein the displaceable tongue (30) comprises a pulling extension (31) at its outer part configured to cooperate with a pulling protrusion (21) formed at the adjacent edge such that the displaceable tongue (30) is pulled out from the displacement groove (40) and into the tongue groove (20) when the edges of said building panels are displaced vertically relative to each other, characterized in that the displaceable tongue (30) comprises a locking hook (34) for preventing unlocking.
- Building panels according to claim 1, wherein a part of said pulling protrusion (21) is a part of the tongue groove (20).
- Building panels according to claim 1 or 2, wherein the pulling extension (31) and the pulling protrusion (21) are inclined in relation to a main horizontal plane (HP) of the panels.
- Building panels according to any of the preceding claims, wherein the locking hook (34) is configured to prevent the displaceable tongue from sliding back into the displacement groove (40) after locking.
- Building panels as according to claim 4, wherein the locking hook (34) is configured to lock against an outer part of the sidewardly open displacement groove (40).
- Building panels according to any of the preceding claims, wherein the locking hook (34) is configured to lock against an upper or lower part of the displacement groove (40).
- Building panels according to any of the preceding claims, wherein the locking hook (34) is configured to serve as a friction connection for preventing the displaceable tongue (30) from falling out from the displacement groove (40) after locking of the building panels.
- Building panels according to any of the preceding claims, wherein the locking hook (34) is configured to slide against a bevel formed at the displacement groove (40) .
- Building panels according to any of the preceding claims, wherein cavities (35) are formed on the displaceable tongue (30).
- Building panels according to claim 9, wherein the cavities (35) are formed at a tongue section where locking hooks (34) of the displaceable tongue (30) are formed.
- Building panels according to any of the preceding claims, wherein the displaceable tongue (30) is a separate displaceable tongue.
- Building panels according to any of the preceding claims, wherein the displaceable tongue is formed by injection moulding.
- Building panels according to any of the preceding claims, wherein the locking hook (34) comprises a hook part (34a) that is configured to press the locking hook upwards by inserting rails during insertion of the displaceable tongue (30) into the displaceable groove (40) .
- Building panels according to any of the preceding claims, wherein said strip comprises a locking element and an upper part of the locking element (8) is located vertically below a tongue-locking surface (33) of the pulling extension (31) in a locked state of the building panels.
- Building panels according to any of the preceding claims, wherein said building panels are floor panels.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161523584P | 2011-08-15 | 2011-08-15 | |
SE1150741 | 2011-08-15 | ||
EP12824331.8A EP2744952B1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
EP17198982.5A EP3299539B1 (en) | 2011-08-15 | 2012-08-14 | Building panels provided with a mechanical locking system |
PCT/SE2012/050872 WO2013025164A1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12824331.8A Division EP2744952B1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
EP17198982.5A Division EP3299539B1 (en) | 2011-08-15 | 2012-08-14 | Building panels provided with a mechanical locking system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3623544A1 EP3623544A1 (en) | 2020-03-18 |
EP3623544B1 true EP3623544B1 (en) | 2022-10-05 |
Family
ID=47715312
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17198982.5A Active EP3299539B1 (en) | 2011-08-15 | 2012-08-14 | Building panels provided with a mechanical locking system |
EP12824331.8A Active EP2744952B1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
EP19206640.5A Active EP3623544B1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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EP17198982.5A Active EP3299539B1 (en) | 2011-08-15 | 2012-08-14 | Building panels provided with a mechanical locking system |
EP12824331.8A Active EP2744952B1 (en) | 2011-08-15 | 2012-08-14 | Mechanical locking system for floor panels |
Country Status (12)
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EP (3) | EP3299539B1 (en) |
JP (1) | JP6184953B2 (en) |
KR (1) | KR102058467B1 (en) |
CN (1) | CN103732841B (en) |
AU (1) | AU2012295598B2 (en) |
BR (1) | BR112014002946A8 (en) |
CA (1) | CA2844393C (en) |
MY (1) | MY165233A (en) |
PL (2) | PL3299539T3 (en) |
RU (1) | RU2597900C2 (en) |
UA (1) | UA110987C2 (en) |
WO (1) | WO2013025164A1 (en) |
Families Citing this family (24)
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BR112012018285B1 (en) | 2010-02-04 | 2020-02-18 | Välinge Innovation AB | SET OF FLOOR PANELS |
UA114715C2 (en) | 2011-07-05 | 2017-07-25 | Сералок Інновейшн Аб | Mechanical locking of floor panels with a glued tongue |
US9725912B2 (en) | 2011-07-11 | 2017-08-08 | Ceraloc Innovation Ab | Mechanical locking system for floor panels |
US8650826B2 (en) | 2011-07-19 | 2014-02-18 | Valinge Flooring Technology Ab | Mechanical locking system for floor panels |
US8857126B2 (en) | 2011-08-15 | 2014-10-14 | Valinge Flooring Technology Ab | Mechanical locking system for floor panels |
BR112015011235B1 (en) | 2012-11-22 | 2021-07-20 | Ceraloc Innovation Ab | MECHANICAL LOCKING SYSTEM FOR FLOOR PANELS |
HRP20230018T1 (en) | 2013-06-27 | 2023-02-17 | Välinge Innovation AB | Building panel with a mechanical locking system |
DE102013225358A1 (en) * | 2013-12-10 | 2015-06-11 | Laminatepark Gmbh & Co. Kg | Panel with locking element |
DE102014103176A1 (en) * | 2014-03-10 | 2015-09-10 | Guido Schulte | Surface made of mechanically interconnectable panels |
US10246883B2 (en) | 2014-05-14 | 2019-04-02 | Valinge Innovation Ab | Building panel with a mechanical locking system |
KR102386246B1 (en) | 2014-05-14 | 2022-04-12 | 뵈린게 이노베이션 에이비이 | Building panel with a mechanical locking system |
BE1021943B1 (en) * | 2014-05-28 | 2016-01-27 | Flooring Industries Limited, Sarl | FLOOR PANEL, FLOOR COVERING CREATED FROM SUCH FLOOR PANELS, METHOD FOR MANUFACTURING SUCH FLOOR PANELS AND LOCKING ELEMENT USED THEREIN. |
US10138636B2 (en) | 2014-11-27 | 2018-11-27 | Valinge Innovation Ab | Mechanical locking system for floor panels |
DE102016114221A1 (en) | 2016-01-22 | 2017-07-27 | Hamberger Industriewerke Gmbh | Connection for components |
DE102016114226A1 (en) | 2016-01-22 | 2017-07-27 | Hamberger Industriewerke Gmbh | Connection for elastic or solid components |
WO2018004440A1 (en) | 2016-06-29 | 2018-01-04 | Välinge Innovation AB | A method and device for managing and separating a tongue from a tongue blank |
MY193272A (en) | 2016-06-29 | 2022-09-29 | Valinge Innovation Ab | Method and device for inserting a tongue |
PL3478902T3 (en) | 2016-06-29 | 2021-08-30 | Välinge Innovation AB | Method and device for inserting a tongue |
CN109311179B (en) | 2016-06-30 | 2021-09-17 | 瓦林格创新股份有限公司 | Device for inserting a tongue |
EA036573B1 (en) | 2016-12-22 | 2020-11-25 | Велинге Инновейшн Аб | Device for inserting a tongue |
CN106948501A (en) * | 2017-04-27 | 2017-07-14 | 苏州天地彩钢制造有限公司 | A kind of socket type safety color steel |
BR112020025052A2 (en) * | 2018-06-13 | 2021-03-23 | Ceraloc Innovation Ab | floor system supplied with a connection system and an associated connection device |
CN108868051A (en) * | 2018-07-10 | 2018-11-23 | 浙江永吉木业有限公司 | A kind of low noise latch floor |
US11952784B2 (en) * | 2019-01-30 | 2024-04-09 | I4F Licensing Nv | Panel and covering comprising the same |
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DE102007032885A1 (en) * | 2007-07-14 | 2009-01-15 | Flooring Technologies Ltd. | Floor panel, has compression element arranged between locking element and groove base and reversibly compressed during locking process by locking element, without expanding in direction along groove |
WO2013017575A1 (en) * | 2011-07-29 | 2013-02-07 | Hamberger Industriewerke Gmbh | Connection for elastic or rigid panel-type components, profiled slide, and floor covering |
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DE20122778U1 (en) * | 2001-08-10 | 2007-10-25 | Akzenta Paneele + Profile Gmbh | Panel and fastening system for panels |
JP4472355B2 (en) * | 2002-04-03 | 2010-06-02 | ベーリンゲ、イノベイション、アクチボラグ | Mechanical locking system for floorboard |
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CN1598216A (en) * | 2004-08-31 | 2005-03-23 | 张彩奎 | Floor board imserted with magnetic and its mfg. method |
PL1650375T5 (en) * | 2004-10-22 | 2011-05-31 | Vaelinge Innovation Ab | A set of floor panels |
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SE531111C2 (en) * | 2006-12-08 | 2008-12-23 | Vaelinge Innovation Ab | Mechanical locking of floor panels |
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DE102007042250B4 (en) * | 2007-09-06 | 2010-04-22 | Flooring Technologies Ltd. | Device for connecting and locking two building panels, in particular floor panels |
JP5675369B2 (en) * | 2008-01-31 | 2015-02-25 | ベーリンゲ、イノベイション、アクチボラグVaelinge Innovation Ab | Mechanical locking of floor panels, methods of installing and removing panels, methods and equipment for manufacturing locking systems, methods of connecting displaceable tongues to panels, and tongue blanks |
US8112967B2 (en) * | 2008-05-15 | 2012-02-14 | Valinge Innovation Ab | Mechanical locking of floor panels |
CH700513A2 (en) * | 2009-03-10 | 2010-09-15 | Innovaris Ag | Panels. |
WO2011087425A1 (en) * | 2010-01-12 | 2011-07-21 | Välinge Innovation AB | Mechanical locking system for floor panels |
-
2012
- 2012-08-14 CA CA2844393A patent/CA2844393C/en active Active
- 2012-08-14 PL PL17198982T patent/PL3299539T3/en unknown
- 2012-08-14 MY MYPI2013004578A patent/MY165233A/en unknown
- 2012-08-14 UA UAA201402085A patent/UA110987C2/en unknown
- 2012-08-14 EP EP17198982.5A patent/EP3299539B1/en active Active
- 2012-08-14 PL PL12824331T patent/PL2744952T3/en unknown
- 2012-08-14 RU RU2014107916/03A patent/RU2597900C2/en active
- 2012-08-14 WO PCT/SE2012/050872 patent/WO2013025164A1/en active Application Filing
- 2012-08-14 AU AU2012295598A patent/AU2012295598B2/en not_active Ceased
- 2012-08-14 KR KR1020147005590A patent/KR102058467B1/en active IP Right Grant
- 2012-08-14 JP JP2014525967A patent/JP6184953B2/en active Active
- 2012-08-14 EP EP12824331.8A patent/EP2744952B1/en active Active
- 2012-08-14 BR BR112014002946A patent/BR112014002946A8/en active Search and Examination
- 2012-08-14 CN CN201280038811.XA patent/CN103732841B/en active Active
- 2012-08-14 EP EP19206640.5A patent/EP3623544B1/en active Active
Patent Citations (2)
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DE102007032885A1 (en) * | 2007-07-14 | 2009-01-15 | Flooring Technologies Ltd. | Floor panel, has compression element arranged between locking element and groove base and reversibly compressed during locking process by locking element, without expanding in direction along groove |
WO2013017575A1 (en) * | 2011-07-29 | 2013-02-07 | Hamberger Industriewerke Gmbh | Connection for elastic or rigid panel-type components, profiled slide, and floor covering |
Also Published As
Publication number | Publication date |
---|---|
KR102058467B1 (en) | 2019-12-23 |
RU2014107916A (en) | 2015-09-27 |
PL2744952T3 (en) | 2018-04-30 |
EP2744952A4 (en) | 2016-05-18 |
EP2744952A1 (en) | 2014-06-25 |
CA2844393A1 (en) | 2013-02-21 |
BR112014002946A8 (en) | 2018-04-03 |
WO2013025164A1 (en) | 2013-02-21 |
AU2012295598A1 (en) | 2014-01-23 |
BR112014002946A2 (en) | 2017-03-01 |
EP2744952B1 (en) | 2017-11-08 |
JP6184953B2 (en) | 2017-08-23 |
JP2014526004A (en) | 2014-10-02 |
CA2844393C (en) | 2019-09-03 |
MY165233A (en) | 2018-03-14 |
CN103732841B (en) | 2016-09-21 |
AU2012295598B2 (en) | 2017-06-15 |
EP3299539B1 (en) | 2019-11-06 |
RU2597900C2 (en) | 2016-09-20 |
EP3299539A1 (en) | 2018-03-28 |
EP3623544A1 (en) | 2020-03-18 |
CN103732841A (en) | 2014-04-16 |
UA110987C2 (en) | 2016-03-10 |
KR20140053262A (en) | 2014-05-07 |
PL3299539T3 (en) | 2020-03-31 |
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