WO1996027719A1 - Flooring panel or wall panel - Google Patents

Flooring panel or wall panel Download PDF

Info

Publication number
WO1996027719A1
WO1996027719A1 PCT/SE1996/000291 SE9600291W WO9627719A1 WO 1996027719 A1 WO1996027719 A1 WO 1996027719A1 SE 9600291 W SE9600291 W SE 9600291W WO 9627719 A1 WO9627719 A1 WO 9627719A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
groove
panel
ledge
snapping
panel according
Prior art date
Application number
PCT/SE1996/000291
Other languages
French (fr)
Inventor
Göran MÅRTENSSON
Original Assignee
Perstorp Flooring Ab
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
    • 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
    • E04F13/0875Coverings 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 having a basic insulating layer and at least one covering layer
    • E04F13/0878Coverings 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 having a basic insulating layer and at least one covering layer the basic insulating layer comprising mutual alignment or interlocking means
    • 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
    • E04F2201/0153Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • 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

Flooring panel or wall panel provided with a locking means in the form of a groove (6) and a tongue (7) fitting in the groove (6), whereby a tongue/groove joint for assembling of the panels is formed. The under side of the groove (6) consists of a ledge (10) fixed to the under side (8) of the panel and protruding in respect of the upper side (9) of the panel. The ledge (10) is in its outer part provided with an upwards directed edge (11). The panel (1) is along the adjacent sides (2, 4) provided with a tongue (7), parallely to these sides (2, 4) on the under side furnished with a groove (12) having such a size and such a distance from these sides that the groove (12) with a rather close fitting can receive the upwards directed edge (11) of the ledge (10) on a connecting panel (1). The ledge (10) and the groove (12) are furnished with complementary locking means for locking the edge (11) in the groove (12), whereby the panels are fixed to each other and prevented from unintentional separation.

Description

FLOORING PANEL OR WALL PANEL

The present invention relates to a flooring panel or wall panel, preferably of ther- mosetting laminate having two pairs of opposite parallel side edges, two of these side edges being provided with a locking means in the form of a groove and the other two with a tongue fitting in the groove, whereby a tongue/groove joint for assembling of the panels is formed.

During the last few years laminated floors have achieved and increased popularity and on many markets they are beginning to replace parquet floors and wall-to-wall carpets At the production of laminated floors a decorative thermosetting laminate is first produced. This laminate usually consists of a base layer of paper sheets impregnated with phenol-formaldehyde resin and a decorative surface layer consis¬ ting of a decor paper sheet impregnated with melamine-formaldehyde resin. The laminate is produced by pressing the different layers at a high pressure and an in¬ creased temperature.

The laminate obtained is then glued to a carrier of particle board for instance or used as such without any carrier and it is then called compact laminate The lami¬ nated panel thus produced is then sawn up to a number of floor boards which are provided with groove and tongue at the long sides and the short sides. Often the floor boards produced have a thickness of about 7 mm, a length of 120 cm and a width of about 20 cm. Thereby they can usually be put on top of an existing floo¬ ring material at a renovation. According to another alternative, instead one or mo¬ re of the above decorative sheets can be laminated directly towards a base sheet of particle board for instance.

At the assemblage of such a flooring, glue is normally applied in the groove when the floor boards are assembled. Therefore, it will be difficult to change a damaged board or to remove a whole flooring and for instance install it in another roo

To avoid the above problem efforts have been made to achieve floor boards which can be assembled without glue and in spite of that give stable floorings where the floor boards are safely fixed to each other in the joints.

This is a difficult problem especially since you have to consider that the underlayer for the floor boards is not always straight and plain.

In addition you must have in mind that a flooring construction which solves the above problems should not be too technically complicated and/or too expensive.

CONFIRMATION Constructions with double sided adhesive tape are not acceptable either since the adhesion will stop when the glue is aged

According to the present invention it has been possible to solve the above problem and bring about a flooring panel or wall panel, preferably of thermosetting lamina¬ te having two pairs of opposite parallel side edges, two of these adjacent side ed¬ ges being provided with a locking means in the form of a groove and the other two with a tongue fitting in the groove, whereby a tongue/groove joint for assembling of the panels is formed

The panel is characterized in that the under side of the groove consists of a ledge fixed to the under side of the panel and protruding in respect of the upper side of the panel The ledge is in its outer part provided with an upwards directed edge

The panel is along the two adjacent sides provided with a tongue, parallelly to these sides on the under side furnished with a groove having such a size and such a distance from these sides that the groove with a rather close fitting can receive the upwards directed edge of the ledge on a connecting panel The ledge and the groove are furnished with complementary locking means for locking the edge in the groove, whereby the panels are fixed to each other and prevented from unin¬ tentional separation

According to one preferred embodiment of the invention the complementary lock¬ ing means consist of a snapping web and a cooperating snapping groove, prefe¬ rably provided with undercut edges

Preferably the snapping groove runs parallely with the long side of the ledge and is formed in the upwards directed edge of the ledge

Suitably the snapping web is fixed in the bottom of the groove in such a manner that it is directed downwards or makes a downwards directed integrated part of a ledge arranged in the groove

The snapping groove preferably runs along the whole length of the two adjacent sides of the panel mentioned above and the snapping web has preferably the same length as the snapping groove The snapping web can be divided in two or more shorter parts possibly in the form of separate snapping heads

According to another embodiment of the invention the complementary locking me¬ ans consist of springs, snapping webs or the like arranged at least along one of the vertical edges of the groove These springs, snapping webs or the like will press against at least one side of the upwards directed edge Suitably the upwards directed edge is broadest at the top, furnished with indenta¬ tions along the side edges or designed in another way which makes it possible for the springs, the snapping webs or the like to lock the upwards directed edge when it is inserted into the groove.

It is suitable that the ledge on the under side of the panel is arranged in a recess whereby the under side of the ledge and the rest of the under side of the panel will be flush with each other. The ledge is then usually glued to the under side of the panel.

Normally at least one of the ledge and the snapping web is made of an elastic ma¬ terial such as plastic, rubber or the like. In this way a good snap-together function can be secured. For instance the other part can be made of aluminium. Alternative¬ ly, both parts are made of the above mentioned elastic material.

As mentioned above the panel can consist of a thermosetting laminate glued to a carrier or base of particle board, or solely of a compact thermosetting laminate without any carrier. In addition to these materials the panel can be made of a wa¬ ter resistant or non water absorbing base with a surface layer consisting of paint, a thermoplastic foil, a paper sheet impregnated with thermosetting resin or of a ther¬ mosetting laminate. One suitable base of this kind is a board produced by pressing wood particles or wood chips with a thermoplastic, preferably at an increased temperature.

The invention will be explained further in connection with the enclosed figures of which figure 1 schematically from above shows one embodiment of a panel accor¬ ding to the invention. Figure 2 shows the same panel from below. Figure 3 illustra¬ tes a cross section through one embodiment of a flooring panel or wall panel whe¬ re two such panels are to be assembled. Figure 4 shows a cross section through another embodiment of a flooring panel or wall panel where two such panels have been assembled.

The panel 1 has two opposite parallel short sides 2, 3 (figures 1 and 2) and two opposite parallel long sides 4, 5 (figures 1 and 2). However, the panel can be square instead of rectangular. One long side 5 and one short side 3 are provided with a groove 6 (figure 3 ) and the remaining sides 2, 4 are provided with a tongue 7 (figure 3).

The under side of the groove 6 consists of a ledge 10 fixed to the under side 8 of the panel 1 (figures 3 and 4) by glue or the like. The ledge 10 protrudes from the panel as compared to the upper side 9 of the panel. In its outer part the ledge 10 has an upwards directed edge 1 1 . On the under side the panel 1 has a groove 12 along the sides 2 and 4 which have a tongue 7. The groove is arranged parallelly to these sides The size of the grooves 12 and their distance from the sides 2 and 4 respectively are adapted in such a manner that the grooves 12 can receive the upwards directed edge 1 1 of the ledge 10 of a connecting panel 1 with a rather close fitting The ledge 10 and the groove 12 are provided with complementary locking means for locking the ledge 1 1 in the groove 12. The panels 1 are thereby fixed to each other and prevented from unintentional separation

At the embodiment shown on figure 3 one part of the complementary locking me¬ ans consists of a downwards directed snapping web 13 constituting an integrated part of a ledge 15 fixed by glue for instance in the groove 12. Another cooperating part of the complementary locking means is a snapping groove 14 in the upwards directed edge 1 1 .

At the assemblage of the panels 1 to a floor covering the panels are suitably as¬ sembled row by row. Then the tongue 7 of one panel 1 is inserted into the groove

6 of a previously installed panel 1 The panel which is inserted is suitably lifted up a bit as shown in figure 3. When the tongue 7 has reached its place in the groove 6 the snapping web 13 is pushed down into the snapping groove 14. The groove/ton¬ gue joint and the snapping web 13 in the groove 14 then prevent the flooring pa¬ nels from releasing from each other vertically The snap-together joint 13, 14 as¬ sists in preventing the flooring panels from separating horizontally. Since the edge 1 1 will be in engagement with the groove 12 the panels will be prevented from ho¬ rizontal separation by these parts too

The snapping groove 14 is suitably formed with undercut edges while the snapping web 13 has a complementary cross section The groove 14 runs along the whole long side 5 and the short side 3 respectively of the panel 1 The snapping web 1 3 has the same length as the groove 14

The ledge 10 is made of aluminium and glued in a recess on the under side of the panel 1 As shown on figure 3 the recess for the ledge 1 0 has such a dimension that the under side of the ledge 1 0 will be flush with the rest of the under side of the panel 1

At a disassembly of the flooring panels you suitably go in the opposite direction as compared to the assembly Thus, you lift up the finally assembled row, panel by panel so that the snapping webs 13 are released from the groove 14 and the tongue

7 can be pulled out of the groove 6 At the second embodiment illustrated on figure 4 the complementary locking me¬ ans consist of longitudinal outer surfaces 18 on the upwards directed edge 1 1 and springs, snapping webs or the like 16 arranged along at least one of the vertical edges 17 of the groove 12.

The springs, the snapping webs or the like 16 will press against the outer surfaces 18 and lock the edge 1 1 in the groove 12. To bring about a good locking of the edge 1 1 it is broadest at the top and inclines inwards. In this way the parts 16 get a good grip against the inclined sides 18.

At this embodiment one end of the ledge 10 has been designed with about the sa¬ me thickness as the edge 1 1 in the other end. However, this is not necessary The ledge 10 can have an even thickness in the same way as at the embodiment shown in figure 3.

The flooring or wall panels according to figure 4 can be assembled and disas¬ sembled in the same way as disclosed above in respect of the embodiment shown on figure 3.

According to both embodiments above a solid flooring is obtained where the floor panels can be assembled without glue and in spite of that are firmly fixed to each other in the joints.

The invention is not limited to the embodiments shown since these can be modified in different ways within the scope of the invention.

Claims

Claims
1. Flooring panel or wall panel, preferably of thermosetting laminate having two pairs of opposite parallel side edges (2, 3 and 4, 5 respectively), two of these side edges (3 and 5) being provided with a locking means in the form of a groove (6) and the other two (2, 4) with a tongue (7) fitting in the groove (6), whereby a tongue/groove joint for assembling of the panels is formed c h ar a ct e ri zed i n that the under side of the groove (6) consists of a ledge (10) fixed to the under side (8) of the panel and protruding in respect of the upper side (9) of the panel, which ledge (10) in its outer part is provided with an upwards directed edge (11), that the panel (1) along the adjactent sides (2, 4) provided with an tongue (7), parallelly to these sides (2, 4) on the under side is furnished with a groove (12) having such a size and such a distance from these sides that the groove (12) with a rather close fitting can receive the upwards directed edge (11) of the ledge (10) on a connecting panel (1), that the ledge (10) and the groove (12) are furnished with complementary locking means for locking the edge (11) in the groove (12), whereby the panels are fix¬ ed to each other and prevented from unintentional separation.
2. Panel according to claim 1, charact erize d i n that the complementary locking means consist of a snapping web (13) and a cooperating snapping groove (14) preferably provided with undercut edges.
3. Panel according to claim 1 or 2, c ha ra c t e r i z e d i n that the groove (14) runs parallelly with the long side of the ledge (10) and that it is formed in the upwards directed edge (11) of the ledge (10).
4. Panel according to any one of claims 1-3, c h a r a c t e ri z e d i n that the snapping web (13) is fixed in the bottom of the groove (12) in such a manner that it is directed downwards or makes a downwards directed integrated part of a ledge (15) arranged in the groove (12)
5 Panel according to any one of claims 1-4, c h ar a c t e ri z e d i n that the snapping groove (14) preferably runs along the whole length of the sides (5) and (3) respectively and that the snapping web (13) preferably has the same length as the groove (14).
6. Panel according to any one of claims 1-5, c h ar a c te r i z e d i n that the snapping web (13) is divided in two or more shorter parts.
7. Panel according to claim 1 or 2, c h a r a c t e r i z e d i n that the comple¬ mentary locking means consist of springs, snapping webs or the like (16) ar¬ ranged along at least one of the vertical edges (17) of the groove (12), which springs, snapping webs or the like (16) press against at least one side (18) of the upwards directed edge (11).
8. Panel according to claim 7, c h aract e ri zed i n that the upwards direc¬ ted edge (11) is broadest at the top, provided with indentations along the side edges or designed in another way which makes it possible for the springs, the snapping webs or the like (16) to lock the edge (11) when it is inserted into the groove (12).
9. Panel according to any one of claims 1-8, c h ar a c t e r i z e d i n that the ledge (10) is fixed in a recess on the under side (8) of the panel, whereby the under side of the ledge (10) and the rest of the under side of the panel are flush with each other.
10. Panel according to any one of claims 1-9, c h a r a c t e r i z e d i n that at least one of the ledge (10) and the snapping web (13) is made of an elastic ma¬ terial such as plastics, rubber or the like.
11. Panel according to any one of claims 1-10, characte rized i n that the panel is made of thermosetting laminate of so-called compact laminate type or of a water resistant or non water absorbing base with a surface layer consisting of paint, a thermoplastic foil, a paper sheet impregnated with thermosetting re¬ sin or of a thermosetting laminat.
12. Panel according to claim 11, c h ar a c t e r i z e d i n that the base under the surface layer consists of a board produced by pressing wood particles or wood chips with a thermoplastic.
PCT/SE1996/000291 1995-03-07 1996-03-07 Flooring panel or wall panel WO1996027719A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9500809 1995-03-07
SE9500809-0 1995-03-07

Publications (1)

Publication Number Publication Date
WO1996027719A1 true true WO1996027719A1 (en) 1996-09-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1996/000291 WO1996027719A1 (en) 1995-03-07 1996-03-07 Flooring panel or wall panel

Country Status (1)

Country Link
WO (1) WO1996027719A1 (en)

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