Floor panel and method of laying a floor panel
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04C-003/00
E04C-003/30
E04B-002/00
E04B-002/08
E04B-002/04
출원번호
US-0704130
(2003-11-10)
등록번호
US-7484337
(2009-02-03)
우선권정보
DE-102 53 236(2002-11-15)
발명자
/ 주소
Hecht,Hendrik
출원인 / 주소
Kronotec. AG
대리인 / 주소
Greenblum & Bernstein, P.L.C.
인용정보
피인용 횟수 :
32인용 특허 :
179
초록▼
A floor panel including structure for releasably connecting at least two panels. A tongue is formed extending in the longitudinal direction of the side edge and corresponding recess is formed opposite it. The recess comprises a top lip and a bottom lip, and the bottom lip forms a shoulder with a fr
A floor panel including structure for releasably connecting at least two panels. A tongue is formed extending in the longitudinal direction of the side edge and corresponding recess is formed opposite it. The recess comprises a top lip and a bottom lip, and the bottom lip forms a shoulder with a front shoulder side. The shoulder blocks the panels in the transverse direction. An undercut is adjoined by a recess, with a bearing region which corresponds to the shoulder, and a wall, which, with the front shoulder side in the installed state, is located opposite the latter. Form-fitting elements are formed on the wall and the front shoulder side that, in the installed state, engage one inside the other and bring about locking in the vertical direction. An underside of the tongue and a top side of the bottom lip runs parallel to the top side.
대표청구항▼
The invention claimed is: 1. A floor panel which is bounded in a horizontal plane by a top side and an underside, provided for resting on an underlying surface, and which is provided with structure for releasably connecting at least two panels, a tongue is formed on at least one first side edge of
The invention claimed is: 1. A floor panel which is bounded in a horizontal plane by a top side and an underside, provided for resting on an underlying surface, and which is provided with structure for releasably connecting at least two panels, a tongue is formed on at least one first side edge of a first panel, the tongue extending in the longitudinal direction of the first side edge, and a recess which corresponds to the tongue is formed on the opposite, second side edge, the recess comprises a top lip and a bottom lip, and the bottom lip forms a shoulder with a top shoulder side and a front shoulder side, said shoulder, with a corresponding undercut of the tongue, blocking connected panels in the transverse direction Q, the undercut is adjoined by a recess, with a bearing region which consists of a planar horizontal surface and which corresponds to the top shoulder side, and a wall that is inclined at an acute angle relative to vertical and at an obtuse angle relative to the bearing region, the wall in the laid state is located opposite the front shoulder side, and corresponding form-fitting elements are formed on the wall and the front shoulder side, said form-fitting elements, in the laid state, engaging one inside the other at respective surfaces that are inclined at acute angles relative to horizontal and bringing about locking of the connected panels in the vertical direction V, wherein the tongue comprises: a flat vertical surface between an upper edge and a lower edge at a distal end of the tongue, a sloped surface extending upward from the upper edge of the flat vertical surface at an obtuse angle relative to the flat vertical surface, a downward facing underside extending from the lower edge of the flat vertical surface, and an inclined wall extending upward from the downward facing underside to the bearing portion at an acute angle relative to the top side and at an obtuse angle relative to the downward facing underside, and wherein the underside of the tongue and a top side of the bottom lip extends parallel to the top side. 2. The floor panel according to claim 1, wherein a protrusion is formed on the wall and a recess is formed on the front shoulder side. 3. The floor panel according to claim 2, wherein a top side of the protrusion and an underside of the recess are correspondingly sloped. 4. The floor panel according to claim 1 wherein, in the installed state, a top side of the tongue butts against an underside of the top lip. 5. The floor panel according to claim 1, wherein the tongue is designed such that locking takes place by an introduction movement into the recess of the second panel and a pivoting-in movement about an axis parallel to the first side edge. 6. The floor panel according to claim 1, wherein the tongue and the recess have a wedge-shaped contour in cross section. 7. The floor panel according claim 1 wherein the tongue and the recess are designed such that, in the installed state, a gap is present between the front region of the tongue and that region of the recess which adjoins the top lip. 8. The floor panel according to claim 1, wherein the distal end of the tongue is perpendicular to the top side and a groove base of the recess is perpendicular to the top side. 9. The floor panel according claim 1, wherein form-fitting elements for locking in the vertical direction V with a further panel are formed on a third side edge, which runs at an angle to the first side edge, the form-fitting elements being spaced apart from one another in the transverse direction Q and in the vertical direction V on two spaced-apart, essentially vertically oriented walls. 10. The floor panel according to claim 9, wherein a step-like milled relief which starts from the underside and has an inner wall and an outer wall is formed on the third side edge, in each case one form-fitting element which extends in the transverse direction Q being formed on the walls and in that formed on the fourth side edge which is located opposite the third side edge is a step-like milled relief which starts from the top side and has an inner wall and an outer wall, on which are formed undercuts which correspond with the form-fitting elements. 11. The floor panel according to claim 10, wherein the step-like milled relief which starts from the underside forms a shoulder which projects in the direction of the underside and has an essentially horizontally oriented head surface. 12. The floor panel according to claim 11, wherein the walls of the shoulder are oriented at an acute angle α in relation to the head surface. 13. The floor panel according to claim 12, wherein the inner shoulder wall forms an undercut in relation to the head surface. 14. The floor panel according to claim 11, wherein the head surface has a transverse extent of 2 to 6 mm. 15. The floor panel according to claim 11, wherein the head surface has 0.25 to 0.4 times the overall transverse extent of the step-like milled relief. 16. The floor panel according to claim 10, wherein the step-like milled relief, which starts from the top side, forms a shoulder which projects in the direction of the top side and has an essentially horizontally oriented head surface, the bottom region of the outer shoulder wall containing an undercut which corresponds with the form-fitting element of the inner wall of the milled relief of the opposite side edge. 17. The floor panel according to claim 16, wherein a horizontal base surface is formed between the inner shoulder wall and the inner wall of the milled relief, said base surface being designed such that, when the panels, have been laid, the head surface rests on the base surface and the top sides of the panels, are located in a single plane. 18. The floor panel according to claim 16, wherein the inner shoulder wall runs parallel to, or at a shallower angle than, the corresponding inner shoulder wall of the shoulder, which engages in the laid state. 19. The floor panel according to claim 16, wherein the inner shoulder wall forms an undercut in relation to the head surface. 20. The floor panel according to claim 16, wherein the upwardly projecting shoulder is formed on less than an entire length of the third side edge. 21. The floor panel according to claim 9, wherein a form-fining element of the third side edge projects horizontally beyond the termination edge of the top side. 22. The floor panel according to claim 21, wherein a recess, which undercuts the termination edge, is arranged between the top side and the projecting form-fitting element. 23. The floor panel according to claim 1, wherein at least one tongue is formed on a third side edge, which runs at an angle to the first side edge, and at least one groove with a first lip and a second lip is formed on an opposite, fourth side edge, in each case at least one recess which runs parallel to the top side being arranged on the tongue and at least on one of the lips and the recesses being arranged in relation to one another such that, when the panels have been connected to one another, they form a channel for accommodating a separate locking element. 24. The floor panel according to claim 23, wherein the channel is of cylindrical, triangular or quadrilateral, polygonal, x-shaped or v-shaped design. 25. The floor panel according to claim 23, wherein the channel runs over the entire length of the groove and tongue. 26. The floor panel according to claim 23, wherein the channel runs beneath and parallel to a joint of the panels. 27. The floor panel according to claim 23, wherein the groove and the tongue are configured such that they bring about locking in the transverse direction Q. 28. The floor panel according to claim 23, wherein the channel is of cylindrical, triangular, x-shaped or v-shaped design. 29. The floor panel according to claim 23, wherein the channel runs beneath and parallel to a joint formed by two upper termination edges of the panels. 30. The floor panel according to claim 1, wherein the first and second side edges are formed on the longitudinal side, and third and fourth side edges are formed on the transverse side, of the panel. 31. The floor panel according to claim 1, wherein third and fourth side edges are formed on the longitudinal side, and the first and second side edges are formed on the transverse side, of the panel. 32. The floor panel according to claim 1, wherein the panels are made from HDF, MDF or an OSB material. 33. The floor panel according to claim 32, wherein no decorative layer is applied to the top side. 34. The floor panel according to claim 1, wherein an upward facing rectilinear surface of the tongue extends from a distal end of the tongue toward the top side of the panel. 35. The floor panel according to claim 1, wherein the undercut comprises a rectilinear wall that is inclined relative to the top side. 36. The floor panel according to claim 1, further comprising a decorative layer applied to the top side and a sound insulation layer adhesively bonded to the underside. 37. A floor panel, comprising: a top side and a bottom side; a first side edge comprising: a tongue having a tip at a distal end of the tongue which comprises a flat vertical surface extending between an upper edge and a lower edge; a sloped surface extending upward from the upper edge of the tongue toward the top side at an obtuse angle relative to the flat vertical surface; a downward facing underside extending from the lower edge of the flat vertical surface; an inclined wall extending upward from the downward facing underside to a bearing portion which consists of a planar horizontal surface, the inclined wall being inclined at an acute angle relative to the top side, the inclined wall also being inclined at an obtuse angle relative to the downward facing underside; the bearing portion extending between the inclined wall and a side wall, the side wall being inclined at an acute angle relative to vertical and at an obtuse angle relative to the bearing portion; and an upward facing protrusion formed on the side wall; a second side edge, parallel to and opposite the first side edge, comprising: a recess formed by a top lip and a bottom lip; the top lip comprising a downward facing surface arranged and adapted to abut a corresponding sloped surface of another panel for locking the panels in a vertical direction; and the bottom lip comprising a front shoulder side arranged and adapted to abut a corresponding side wall of the other panel, and a sloped recess formed on the front shoulder side arranged to engage a corresponding upward facing protrusion of the other panel for locking the panels in the vertical direction, wherein the sloped recess faces away from the panel and is inclined at an acute angle relative to horizontal. 38. The floor panel of claim 37, wherein an inclined surface of the bottom lip is arranged to abut the inclined wall of the other panel for locking the panels in a vertical direction. 39. The floor panel of claim 37, wherein the downward facing underside and the bearing portion are horizontal. 40. The floor panel of claim 39, wherein the downward facing underside and the bearing portion are arranged on different levels in the vertical direction. 41. The floor panel of claim 37, wherein the tongue is wedge-shaped. 42. The floor panel of claim 37, wherein the panel is made from MDF or HDF, and further comprising a decorative layer provided on the top side. 43. The floor panel of claim 37, wherein the panel is made of OSB material, and is devoid of a decorative layer on the top side. 44. The floor panel of claim 37, further comprising: a third side edge arranged at an angle to the first side edge, comprising: a first protrusion having a first upward facing surface; and a second protrusion having a second upward facing surface, wherein the first protrusion and the second protrusion are spaced apart in the transverse direction and the vertical direction; a fourth side edge, parallel to and opposite the third side edge, comprising: a first undercut having a first downward facing surface; and a second undercut having a second downward facing surface; wherein, in an assembled state with a corresponding panel, the first upward facing surface engages the first downward facing surface for locking the panels in the vertical direction, and the second upward facing surface engages the second downward facing surface for locking the panels in the vertical direction. 45. The floor panel of claim 44, wherein the first protrusion is formed on a wall that is inclined at an acute angle relative to vertical. 46. The floor panel of claim 44, further comprising a recess formed inward from the first protrusion. 47. The floor panel of claim 46, wherein the recess is formed between the first protrusion and a termination edge of the third side edge, and the recess acts as a dust pocket for connected panels. 48. The floor panel of claim 37, further comprising: a third side edge arranged at an angle to the first side edge, comprising a tongue including a first recess formed in the tongue; and a fourth side edge, parallel to and opposite the third side edge, comprising a groove including a second recess formed in a surface of the groove, wherein, in an assembled state with a corresponding panel, the first recess and the second recess cooperate to form a channel arranged to receive a separate locking element. 49. The floor panel of claim 48, wherein the channel has a cross-sectional shape of a circle, a triangle, or a hexagon.
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