CA2520283A1 - Device for connecting building boards, especially floor panels - Google Patents

Device for connecting building boards, especially floor panels Download PDF

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Publication number
CA2520283A1
CA2520283A1 CA002520283A CA2520283A CA2520283A1 CA 2520283 A1 CA2520283 A1 CA 2520283A1 CA 002520283 A CA002520283 A CA 002520283A CA 2520283 A CA2520283 A CA 2520283A CA 2520283 A1 CA2520283 A1 CA 2520283A1
Authority
CA
Canada
Prior art keywords
insert
groove
boards
side edges
locking
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.)
Granted
Application number
CA002520283A
Other languages
French (fr)
Other versions
CA2520283C (en
Inventor
Thomas Grafenauer
Matthias Lewark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kronotec AG
Original Assignee
Kronotec Ag
Thomas Grafenauer
Matthias Lewark
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32103544&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2520283(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kronotec Ag, Thomas Grafenauer, Matthias Lewark filed Critical Kronotec Ag
Publication of CA2520283A1 publication Critical patent/CA2520283A1/en
Application granted granted Critical
Publication of CA2520283C publication Critical patent/CA2520283C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004Joining sheets, plates or panels in abutting relationship
    • F16B5/0008Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge
    • F16B5/002Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edge both sheets, plates or panels having a groove, e.g. with strip-type connector
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/10Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of wood or with an outer layer of wood
    • 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
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6125Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
    • E04B1/6129Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by expansion
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6145Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element
    • E04B1/615Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element the connection made by expansion
    • 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
    • E04F2201/0107Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • 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
    • E04F2201/0107Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
    • E04F2201/0115Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges with snap action of the edge connectors
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/025Non-undercut connections, e.g. tongue and groove connections with tongue and grooves alternating transversally in the direction of the thickness of the panel, e.g. multiple tongue and grooves oriented parallel to each other
    • 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

Disclosed is a device for connecting and locking building boards comprising a top face (10) and a bottom face (11), especially floor panels (1, 2) that are provided with a core made of a wood material as well as a groove (3, 4; 5, 6;
18, 19) on two opposite lateral edges (I, II). Said building boards further comprise an insert (7; 8; 9) that is used for locking and can be inserted into the groove (3 or 4; 5, 6; 18, or 19) of one of the lateral edges (I, II). The boards (1, 2) are connected by displacing the boards in an essentially horizontal direction (Q) towards each other. The inventive device is characterized in that the insert (7; 8; 9; 17) is provided with at least one springy lip (7a, 8a; 9a; 17a) which extends towards the top face (10) or the bottom face (11).

Claims (20)

1. A device for connecting and locking building boards comprising a top side (10) and a bottom side (11), especially floor panels (1, 2) having a core made of wood material and provided with a groove (3, 4; 5, 6; 18, 19) on at least two opposite side edges (I, II), comprising an insert (7; 8; 9) intended for locking purposes, which insert can be inserted into the groove (3 or 4; 5, 6; 18 or 19) of one of the side edges (I, II) , the boards (1, 2) being connected by substantially horizontal displacement (direction Q) one toward the other, characterized in that the insert (7; 8;
9; 17) is provided with at least one resilient lip (7a, 8a; 9a; 17a) directed toward the top side (10) or the bottom side (11).
2. The device as claimed in claim 1, characterized in that the insert (7; 8) is provided with two resilient lips (7a, 7b, 8a, 8b) directed in opposite directions.
3. The device as claimed in claim 1, characterized in that the insert (17) is provided with resilient lips (17a, 17b) directed toward the bottom side (11).
4. The device as claimed in claim 1, 2 or 3, characterized in that the resilient lip (7a, 7b, 8a, 8b; 9a; 17a, 17b) has a tip (7c, 8c, 9c) running obliquely to the top side (10) and bottom side (11), which tip, for locking, cooperates with an obliquely running edge (3a; 4a; 5a; 20a, 21a).
5. The device as claimed in one or more of the preceding claims, characterized in that the insert (7, 8; 9; 17) consists of plastic.
6. The device as claimed in claim 5, characterized in that the insert (7, 8) has in its core at least one cavity (12).
7. The device as claimed in one or more of the preceding claims, characterized in that the insert (17) has midway between the resilient lips (17a, 17b) a projection (17c) which rests on a shoulder (18b, 19b), running parallel to the bottom side (11), of the bottom lip (18a, 19a) of the groove (18, 19).
8. The device as claimed in one or more of the preceding claims, characterized in that when the building boards (1, 2) are mutually connected, the insert (17) is essentially fully surrounded in its peripheral contour by the core material of the boards (1, 2).
9. The device as claimed in claim 4, characterized in that the angle of inclination between the obliquely running edge (3a; 4a; 5a; 20a; 21a) measures between 90° and 135°.
10. The device as claimed in one or more of the preceding claims, characterized in that the thickness of the insert (7, 8, 9, 17) measures 1.5-5 mm.
11. The device as claimed in one or more of the preceding claims, characterized in that the depth of penetration of the insert (7, 8, 9, 17) into the groove (18, 19) is 3-8 mm.
12. The device as claimed in claim 5, characterized in that the flexural modulus of the plastic is 1000-7000 N/mm2.
13. The device as claimed in claim 1, characterized in that the board (1, 2) is provided on one side edge (I) with a tongue (13) pointing substantially in the transverse direction (Q) and on the other side edge (II) with a groove (14) corresponding thereto.
14. The device as claimed in claim 1, characterized in that the side edges of the insert (8) taper outward.
15. The device as claimed in claim 14, characterized in that the side edges of the insert (8) are rounded.
16. The device as claimed in claim 14, characterized in that the side edges of the insert (8) run conically.
17. The device as claimed in one or more of the preceding claims, characterized in that the insert (7, 8, 9, 17) is inserted into a groove (3, 4; 5, 6; 18, 19) at the factory.
18. The device as claimed in claim 17, characterized in that the insert (7, 8, 9, 17) is permanently connected to one groove (3, 4; 5, 6; 18, 19).
19. The device as claimed in claim 18, characterized in that the insert (7, 8, 9, 17) is glued in place.
20. The device as claimed in claim 1, characterized in that the grooves (3, 4; 5, 6; 18, 19) are cut with a fixed tool past which the boards (1, 2) are led.
CA2520283A 2003-03-24 2004-01-30 Device for connecting building boards, especially floor panels Expired - Fee Related CA2520283C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20304761.3 2003-03-24
DE20304761U DE20304761U1 (en) 2003-03-24 2003-03-24 Device for connecting building boards, in particular floor panels
PCT/DE2004/000148 WO2004085765A1 (en) 2003-03-24 2004-01-30 Device for connecting building boards, especially floor panels

Publications (2)

Publication Number Publication Date
CA2520283A1 true CA2520283A1 (en) 2004-10-07
CA2520283C CA2520283C (en) 2011-11-08

Family

ID=32103544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2520283A Expired - Fee Related CA2520283C (en) 2003-03-24 2004-01-30 Device for connecting building boards, especially floor panels

Country Status (13)

Country Link
US (1) US7908816B2 (en)
EP (1) EP1606474B1 (en)
KR (1) KR101135735B1 (en)
CN (2) CN101333862A (en)
AT (1) ATE453770T1 (en)
AU (1) AU2004223765B2 (en)
BR (2) BRMU8403665Y1 (en)
CA (1) CA2520283C (en)
DE (4) DE20304761U1 (en)
ES (1) ES2337053T3 (en)
MX (1) MXPA05010212A (en)
RU (2) RU2005132601A (en)
WO (1) WO2004085765A1 (en)

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RU2005132601A (en) 2006-06-27
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KR101135735B1 (en) 2012-04-16
US20070028547A1 (en) 2007-02-08
AU2004223765B2 (en) 2009-12-03
DE20304761U1 (en) 2004-04-08
US7908816B2 (en) 2011-03-22
DE112004000962D2 (en) 2006-02-16
EP1606474A1 (en) 2005-12-21
BRMU8403665Y1 (en) 2016-08-30
CN100419189C (en) 2008-09-17
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AU2004223765A1 (en) 2004-10-07
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MXPA05010212A (en) 2006-02-22
EP1606474B1 (en) 2009-12-30
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CN1795312A (en) 2006-06-28
RU2009115966A (en) 2010-11-10

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