Mechanical joint of floor boards with help of flexible rabbet

FIELD: construction.

SUBSTANCE: invention is related to the field of construction, in particular to floor boards of plank materials with mechanical connecting systems. Floor boards are described, which are equipped with mechanical connecting system comprising flexible rabbet in slot providing for displacement, which is displaced in process of motion in case of vertical folding. Besides rabbet making is described, as well as manufacturing and installation methods.

EFFECT: improved accuracy of floor boards installation and operational reliability of floor.

38 cl, 24 dwg

 

The text descriptions are given in facsimile form.

1. A set of floorboards(1, 1', 1"), essentially the identical, contains connectors(20, 30, 6, 8, 14), made in one piece with the floorboards(1, 1', 1") (1') and the possibility of connecting new floorboards with the first (1") and second (1) the Board so that the top edge of the junction of these new and second floorboards in the United state form a vertical plane (VP), and the first connector (6, 8, 14) is arranged to connect the specified new floorboards (1') with the specified second Board (1 in the horizontal direction (D2)perpendicular to the specified vertical plane, and the second connector (20, 30) is arranged to connect the specified new floorboards (1') with the specified second Board (1) in the vertical direction (D1)parallel to the vertical plane (VP), the second connector includes a flexible tongue (30) in providing the offset groove (40) in one of the new or second floorboards, providing an offset groove (40) is located at the edge of the floorboards and open to the vertical plane (VP), a flexible tongue (30) has direction (L) in length along the edges of the junction, the width (W) in the horizontal plane, perpendicular to the length, and thickness (T) in the vertical direction, while the flexible tongue is made interoperable in the United state with tongue-and-groove groove in the other of the new or second floorboards, the first connector includes a locking strip (6), which departs from kazanavicienes plane of the second floor and has a locking element (8), when this locking strip (6) is made interoperable in the United state open down the locking groove (14) new floorboards, characterized in that the new Board is made with the possibility of connection with the first and second floorboards by vertical folding, part of the flexible tongue during the vertical folding is shifted twice in providing the offset groove, and the first offset is vertical folding new floorboards, whereby at least part of the flexible tongue is bent in the horizontal direction, the second displacement of the flexible tongue to its original position is, essentially, a spring effect is caused by the specified the displacement of the flexible tongue.

2. A set of floorboards according to claim 1, in which the flexible tongue (30) along its length (L) has at least two sections (MS, ES), and the first or second offset one of the sections is greater than the first or the second offset of the other sections.

3. A set of floorboards according to claim 2, in which the flexible tongue (30) along its length (L) has a middle section (MS) and two end sections (ES) on both sides of the middle section (MS), and the middle section (MS) may move more than one of the end sections (ES).

4. A set of floorboards according to claims 1 to 3, wherein said flexible tongue (30) has a protruding portion (P2), which United the state located outside of providing the offset of the groove (40), and located in the groove portion (P1) in providing the offset groove (40), thus serving size (P2) and/or in the groove portion (P1) is changed along the length (L).

5. A set of floorboards according to claim 4, in which the protruding portion (P2) assigned by the corner sections (9a, 9b) of the floorboards.

6. A set of floorboards according to any one of claims 1 or 5 in which the flexible tongue (30) made of a molded polymeric material.

7. A set of floorboards according to claim 5, characterized in that the blocking element (8) is partially located in the locking groove (14), begins when the first offset.

8. A set of floorboards according to claim 7, in which the flexible tongue (30) is located on the same edge that the locking strip (6).

9. The Board, having the edge portion open in the lateral direction of the groove in which is inserted a tongue made as separate parts, wherein the tongue is located in the groove with the possibility of bending in its longitudinal direction and in a plane essentially parallel to the principal plane of the floorboards, so that part of the tongue is resiliently displaced in the specified plane.

10. Board according to claim 9, in which the tongue (30) along its length (L) has at least two sections (MS, ES), and the displacement of the pile these sections are shifted in different degrees.

11. Board according to claim 9, in which the tongue (30) along its length (L) has a middle section (MS) and two end sections (ES) vowed side of the middle section (MS), and the middle section (MS) may move more than the end sections (ES).

12. The Board according to any one of p-11, in which the tongue in a specified plane, essentially parallel to the principal plane of the floorboards, has the recess in a direction parallel to the principal plane of the floorboards.

13. The Board indicated in paragraph 12, in which the specified recess and the bottom of the groove formed by the space, while the part of the body of the tongue may be bent in the specified namespace.

14. The Board indicated in paragraph 13, in which the body of the tongue has a surface (32, 33, 35) offset, which is inclined relative to the main plane of the floorboards.

15. Shpunt, intended for insertion into the open in the lateral direction of the groove floorboards on any PP-14, characterized in that the groove has an elongated shape and made with the possibility of bending when placed in a groove in its longitudinal direction and in a plane essentially parallel to the principal plane of the floorboards, so that part of the tongue is resiliently displaced in the specified plane.

16. Shpunt indicated in paragraph 15, in which the tongue in its main plane is elongated body of the tongue, having the recess in a direction parallel to the main plane of the workpiece sheet.

17. The piling on of clause 15 or 16, in which the tongue contains the top surface (33) of the offset and the lower surface (35) of the offset.

18. The tongue on 17, in which the upper surface (3) offset and/or the bottom surface (35) of the offset has/have an inclined edge surface (32).

19. The tongue on 17, in which the upper surface (33) of the displacement and/or on the lower surface (35) of the offset is the protrusion (36).

20. Tongue in claim 19, in which in the longitudinal direction of the tongue are two or more protrusions (36).

21. Shpunt indicated in paragraph 15, in which the tongue in the longitudinal direction is essentially sinusoidal.

22. The tongue on item 21, which is essentially sinusoidal groove in the longitudinal direction contains more than one period.

23. The sheet according to any one of p or 22, in which essentially sinusoidal groove includes a straight part at the bottom the period of the sinusoid and/or in the upper period of the sinusoid.

24. Shpunt indicated in paragraph 15, in which the groove is asymmetric in the longitudinal direction.

25. Shpunt indicated in paragraph 15, in which the tongue contains a notch.

26. Shpunt indicated in paragraph 15, in which the tongue contains the end part made with easy grip.

27. Shpunt indicated in paragraph 15, in which the width (W) of the groove varies in the longitudinal direction of the tongue.

28. Shpunt indicated in paragraph 15, in which the tongue is made of plastic, preferably polypropylene or Polyoxymethylene and reinforced with fibres, for example glass.

29. The workpiece (50) for piles containing at least two sheet according to any one of PP-28, in which indicated at least two grooves are connected with the possibility of disconnecting with each other.

30. Material is ka (50) for piles in clause 29, in which the flexible tongue (30) made of a molded polymeric material and can be pinned in providing the offset groove (40) and configured in such a way that part of the tongue may move during the vertical folding.

31. A method of obtaining a rectangular floorboards (1, 1')having a machined abutting parts (4A, 4b) with a mechanical coupling system that locks the floorboards horizontally (D2) and vertically (D1) on at least two opposite sides, with the specified connector system comprises at least one flexible tongue (30), with flexible grooves (30) made of a polymer material and formed as the workpiece (50) for piles in clause 29 or 30, containing at least two flexible tongue (30), and the method contains the steps that carry out the separation of one of the flexible grooves (30) from the workpiece (50) piles, displacement piles, essentially parallel to its width (W) and/or the length (L) and the connection of the tongue with the help of the friction force with providing the offset groove (40), whereby the tongue is located in the groove so that it can be bent in its longitudinal direction and in a plane essentially parallel to the principal plane of the floorboards so that the part of the tongue can elastically move in the specified plane during the connection.

32. The method according to the .31, in which the flexible tongues (30) is performed by injection molding a polymeric material.

33. The method of laying the floor of the rectangular floorboards connected in a vertical D1 and D2 horizontal direction of the long side to long side and the long side to the short side, and floorboards floorboards are of two types a and b with mirrored connective systems, with at least one side of each floor has a flexible tongue (30), which permits vertical folding, characterized in that the laying of the entire floor shall be administered only by turning.

34. The tool (100, 101, 102, 103) to remove floorboards, characterized in that the instrument contains the engaged part (104) and a working part (105), made with the possibility of inserting in spotboy groove or providing an offset groove floorboards.

35. The tool 34, in which the working part (105) is elongated, and when it is inserted into spotboy groove, adapted to propel the flexible sheet adjacent floorboards from sportowego groove.

36. The tool p, in which the working part (105) includes a protrusion or a recess, which is designed to grip the end portion containing the protrusion or the recess of the tongue.

37. Instrument according to any one of p-36, in which the working part (105) is made of flexible material such as plastic or elastic and givemore metal.

38. The tool 34, in which at least the working part (105) is made curved.
The priority is set by the date of filing the first application N 04025167.0 from 22.10.2004, filed in the patent office EP.



 

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