EP1587998A1 - Parquet board arranged for mechanical joint locking to corresponding parquet boards and method for manufacturing parquet boards. - Google Patents
Parquet board arranged for mechanical joint locking to corresponding parquet boards and method for manufacturing parquet boards.Info
- Publication number
- EP1587998A1 EP1587998A1 EP04700805A EP04700805A EP1587998A1 EP 1587998 A1 EP1587998 A1 EP 1587998A1 EP 04700805 A EP04700805 A EP 04700805A EP 04700805 A EP04700805 A EP 04700805A EP 1587998 A1 EP1587998 A1 EP 1587998A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- groove
- board
- boards
- tongue
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims description 17
- 238000003801 milling Methods 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 11
- 238000005304 joining Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000002105 tongue Anatomy 0.000 description 27
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000003637 basic solution Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002650 laminated plastic Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 210000005182 tip of the tongue Anatomy 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
- B27F1/02—Making tongues or grooves, of indefinite length
-
- 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
- E04F15/04—Flooring 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0107—Joining 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
- E04F2201/0115—Joining 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/026—Non-undercut connections, e.g. tongue and groove connections with rabbets, e.g. being stepped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/028—Non-undercut connections, e.g. tongue and groove connections connected by tongues and grooves with triangular shape
Definitions
- Parquet board arranged for mechanical joint locking to corresponding parquet boards and method for manufacturing parquet boards.
- the present invention relates to a parquet board, preferably of wood and intended as a floor covering, which is arranged for mechanical joint locking to corresponding parquet boards, and also relates to a method for manufacturing parquet boards.
- Claim 1 defines "A flooring system," completely in accordance with the characteristics of the basic solution but with the difference that the projection is associated with the groove and the recess is associated with the tongue. The projection is described as "a ... barb”.
- the invention utilizes the last-mentioned type of joint-locking arrangement.
- the invention accordingly describes an arrangement that achieves the following aims:
- Figure 1 shows a board provided with a groove
- Figure 2 shows a board provided with a tongue
- Figure 3 shows these boards joined together.
- a floor covering is to be constructed with joined-together parquet boards. It is also assumed that the boards are a rectangular shape with an outward-facing surface which is to be visible and which is here called the top side. For the joint-locking arrangement, one edge of the boards is provided with a groove and the other edge with the said tongue. These arrangements are found on the long sides of the rectangular boards and can also be implemented on the transverse short sides.
- the said general design of the boards is probably the one that is the most commonly occurring in practice, but the invention can also be applied to other designs, such as, for example, boards with edges set at an angle for laying patterns.
- the figures show two edges arranged for joint locking of two boards that are adjacent to each other.
- the board provided with a groove is here designated by 1 and the board provided with a tongue is designated by 2.
- Each board consists of a layer 3 that faces the top side 4 of the board and will be visible after the laying.
- This layer is assumed to be of a decorative wood with good wearing qualities. It is normal, in the case of floorboards, for the layer to be so thick that it can be sanded several times to restore the appearance of the surface.
- the layer is generally provided with a surface coating, some type of varnish.
- Under the layer 3 there is an intermediate layer 5. This is preferably made of a hard flexible wood, which meets the requirements of the joint- locking arrangement.
- the three layers are attached to each other by the application of adhesives prior to cutting out the boards and constructing the joint-locking arrangement.
- the fibres can be laid in crossing directions in order to counteract stresses which could lead to the boards warping.
- the said joint-locking arrangement is constructed. It is designated in its entirety as the joint-locking arrangement 10 and consists, as mentioned above, of a groove 11 in one board, board 1 , and of a projecting tongue 12 in the other board 2. Above the joint-locking arrangement 10, the boards are provided with contact edges 14, 15 that go right up to the top side 4. As shown in the figures, they are limited to the thickness of the upper layer 3. It is thus these edges 14 and 15 that are to lie close to each other and with the position of the top sides 4 completely coinciding and without any step.
- the board 1 provided with the groove 11 extends under the joint-locking arrangement 10, (see Figure 1), and has a lip 18 extending beyond the position of the contact edge 14. In the middle of this lip 18, the outline 19 of the board 2 is set back behind the position of the contact edge 15, (see Figure 2), so that in the joined-together position, a gap 21 is created at the end 20 of the lip 18 (see Figure 3).
- the groove 11 In the direction going from the contact edge 14, the groove 11 has an upper surface 24 positioned towards the top side 4 and a lower surface 25 positioned towards the underside 6. These surfaces are parallel and also parallel to the main plane of the boards, the top side 4 and the underside 6.
- the surface turns in the direction towards the underside 6 with a part 26, while the surface 25 continues to run parallel to the underside to a bottom 28 in the groove, which is connected by curved parts to the surfaces 25 and 26.
- the groove 11 terminates at the underside with a chamfer 29.
- the surface 25 in the groove is provided with a slot 32 with chamfered edges. The position of this slot is arranged so that its outer limit is approximately on a level with the contact edge 14 and its inner limit is within the contact edge. Outside the slot, the surface 25 continues along the lip 18 to the chamfer 29.
- On the top side of the groove there is a chamfer 34, which is connected to the contact edge 14 at an angle of approximately 30°.
- the tongue 12 has an upper surface 38 and a lower main surface 39 with both these surfaces being parallel to each other and also parallel to the main plane 4 and 6 of the boards.
- the upper part of the tongue is connected close to the contact edge 15 by a part 37 that is set back slightly from the contact edge.
- the tongue extends from the said surface 19.
- the tongue ends with an outer surface 42 which is connected to the surfaces 38 and 39 by chamfers 43 and 44 respectively.
- the length of the surfaces of the tongue that are in contact with surfaces in the groove is limited by means of the end surface 42, when it is inserted into the groove 11 , stopping before the start of the angled part 26 of the groove, whereby a cavity 46 is created inside the groove (Figure 3).
- a projection 48 with chamfered edges 49 extends from the downward-facing surface 39 of the tongue in the longitudinal direction of the boards.
- the position of the projection 48 is arranged so that when the contact edges 14 and 15 are brought together, the projection will be positioned in the slot 32 in the groove.
- the tip of the tongue up to the projection 48 will first enter the outer part of the groove 11.
- the dimensions of the groove and the tongue are so arranged that they can be joined without any great force needing to be applied.
- the projection 48 on the tongue meets the chamfer 29 of the lip 18, a widening of the groove is required, however, so that the outer part of the projection 48 can pass inside the chamfer 29. This will take place by bending of the material around the groove. It is important that the bending of the part of the material between the groove and the top side is limited, for which reason the part below the groove is responsible for practically all the requisite bending, while the part above the groove up to the top side 4 is affected as little as possible.
- a large depth of the groove can, however, lead to bending of the part above the groove in addition, which is counteracted by the top surface 26 of the groove sloping down towards the bottom surface 25 of the groove, by means of which the material part above the sloping surface 26 is given a "cantilever effect" which supports the part above the groove but still enables there to be a sufficiently large depth of groove for bending to be able to take place without too great a force being required.
- the joint-locking arrangement can be implemented for effective locking together by means of the insertion of the projection 48 into the slot 32, with the ability to adapt the relative bending characteristics within the material in the board provided with the groove, so that effective joint locking is obtained without too large a force being required for the joining together, while at the same time limiting the bending of the upper part of the board at its top surface.
- the groove 11 in the board 1 provided with a groove and at the same time its contact surface 14 and the lip 18 can be constructed using a milling cutter designed for this purpose, the axis of which is suitably perpendicular to the main surfaces 4 and 6 of the board.
- the slot 32 creates an undercut part which must be produced as a separate operation after the said operation.
- a milling cutter is a very effective production tool and it is therefore desirable that such a tool can also be used for making the slot 32.
- the joint- locking arrangement is accordingly designed in such a way that a milling cutter set at a certain angle can be used for the design shown in the figure, see Figure 1.
- the chamfer 34 is arranged to leave free working space for the cutter, which is shown by dash-dotted lines and has the reference numeral 54.
- the slot 32 has been positioned in such a way on the downward projecting lip that, with the said inclination of the axis of the milling cutter, the slot 32 can be positioned sufficiently far inside the groove.
- Figure 1 shows the angle between the axis 55 of the milling cutter and the top side of the board to be 33°.
- the slot 32 can be positioned further inside the groove.
- Useable angles can lie between 50° and 20° while taking into consideration the fact that the slot 32 is to be positioned within the extent of the tongue 12 when it is positioned between an upper and a lower surface in the groove (the surfaces 24 and 25).
- the design of the tongue 12 should not cause any difficulties, if one or more milling tools are used. However, attention must be paid to the undercut part in relation to the projection 32 on the inside of the tongue up to the surface 19. A cut inside the projection 48 can, however, easily be carried out with tools that work from outside. The milling is suitably carried out by the board in question being fed past the tool in its longitudinal direction.
- each board for laying must be provided with a groove on at least one edge and a tongue on at least one other edge. It is also within the scope of the invention to design certain boards with grooves on opposite edges and other boards with tongues on opposite edges. However, designing the boards to be identical with at least one groove and one tongue would appear to be the most rational.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0300024 | 2003-01-09 | ||
SE0300024A SE524674C2 (en) | 2003-01-09 | 2003-01-09 | Parquet board arranged for mechanical joint locking to the corresponding parquet boards and method for manufacturing the parquet board |
PCT/SE2004/000004 WO2004063492A1 (en) | 2003-01-09 | 2004-01-08 | Parquet board arranged for mechanical joint locking to corresponding parquet boards and method for manufacturing parquet boards. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1587998A1 true EP1587998A1 (en) | 2005-10-26 |
EP1587998B1 EP1587998B1 (en) | 2010-03-17 |
Family
ID=20290073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04700805A Expired - Lifetime EP1587998B1 (en) | 2003-01-09 | 2004-01-08 | Parquet board arranged for mechanical joint locking to corresponding parquet boards and method for manufacturing parquet boards. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1587998B1 (en) |
AT (1) | ATE461331T1 (en) |
DE (1) | DE602004026031D1 (en) |
DK (1) | DK1587998T3 (en) |
SE (1) | SE524674C2 (en) |
WO (1) | WO2004063492A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022050891A1 (en) * | 2020-09-02 | 2022-03-10 | Ceraloc Innovation Ab | Method and arrangement for forming grooves in a board element |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7644556B2 (en) * | 2007-11-15 | 2010-01-12 | Correct Building Products, L.L.C. | Planking system and method |
GB2460856A (en) * | 2008-06-12 | 2009-12-16 | Peter David Bailey | Inter-engaging panel construction system |
CN106364249B (en) * | 2016-11-01 | 2021-12-28 | 苏州美瑞德建筑装饰有限公司 | Integral composite splicing structure for ground patterns of European building space stone |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1010487A6 (en) * | 1996-06-11 | 1998-10-06 | Unilin Beheer Bv | FLOOR COATING CONSISTING OF HARD FLOOR PANELS AND METHOD FOR MANUFACTURING SUCH FLOOR PANELS. |
US5797237A (en) * | 1997-02-28 | 1998-08-25 | Standard Plywoods, Incorporated | Flooring system |
DE19925248C2 (en) * | 1999-06-01 | 2002-11-14 | Schulte Johannes | floorboard |
DE10001248A1 (en) * | 2000-01-14 | 2001-07-19 | Kunnemeyer Hornitex | Profile for releasable connection of floorboards has tongue and groove connection closing in horizontal and vertical directions |
-
2003
- 2003-01-09 SE SE0300024A patent/SE524674C2/en not_active IP Right Cessation
-
2004
- 2004-01-08 EP EP04700805A patent/EP1587998B1/en not_active Expired - Lifetime
- 2004-01-08 DK DK04700805.7T patent/DK1587998T3/en active
- 2004-01-08 DE DE602004026031T patent/DE602004026031D1/en not_active Expired - Lifetime
- 2004-01-08 WO PCT/SE2004/000004 patent/WO2004063492A1/en active Application Filing
- 2004-01-08 AT AT04700805T patent/ATE461331T1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2004063492A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022050891A1 (en) * | 2020-09-02 | 2022-03-10 | Ceraloc Innovation Ab | Method and arrangement for forming grooves in a board element |
Also Published As
Publication number | Publication date |
---|---|
DK1587998T3 (en) | 2010-07-12 |
SE0300024D0 (en) | 2003-01-09 |
WO2004063492A1 (en) | 2004-07-29 |
DE602004026031D1 (en) | 2010-04-29 |
EP1587998B1 (en) | 2010-03-17 |
ATE461331T1 (en) | 2010-04-15 |
SE0300024L (en) | 2004-07-10 |
SE524674C2 (en) | 2004-09-14 |
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