WO2022156940A1 - Durchlaufsicheres und bruchfestes paneel mit einem sperrelement und verfahren zur herstellung eines derartigen paneels - Google Patents
Durchlaufsicheres und bruchfestes paneel mit einem sperrelement und verfahren zur herstellung eines derartigen paneels Download PDFInfo
- Publication number
- WO2022156940A1 WO2022156940A1 PCT/EP2021/082854 EP2021082854W WO2022156940A1 WO 2022156940 A1 WO2022156940 A1 WO 2022156940A1 EP 2021082854 W EP2021082854 W EP 2021082854W WO 2022156940 A1 WO2022156940 A1 WO 2022156940A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- panel body
- retaining groove
- transverse direction
- groove
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 71
- 238000005520 cutting process Methods 0.000 claims description 35
- 230000002787 reinforcement Effects 0.000 claims description 17
- 230000036346 tooth eruption Effects 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 11
- 238000003801 milling Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 210000004283 incisor Anatomy 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings 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
- E04F13/0889—Coverings 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 characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
- E04F13/0894—Coverings 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 characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with tongue and groove connections
-
- 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
- E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
- E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane 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
- E04F2201/04—Other details of tongues or grooves
- E04F2201/043—Other details of tongues or grooves with tongues and grooves being formed by projecting or recessed parts of the panel layers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0535—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted for snap locking
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
- E04F2201/0523—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F2201/0552—Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape adapted to be rotated around an axis parallel to the joint edge
Definitions
- the invention relates to a panel with a high breaking strength and a high level of security against liquid reaching the underside of the panel, which can cover a surface of a room with the help of a, in particular fixed, blocking element, which can cover a surface of a room, in particular in order to thereby improve the visual appearance of the room and/or to laminate the surface of the room with a material layer more suitable for the intended function, as well as a method by which such a panel can be manufactured.
- the panel can have a panel body based on a cuboid as the basic shape, the longitudinal extent of which is generally significantly greater than its transverse extent, while the thickness of the panel body in the thickness direction is generally smaller than its transverse extent.
- the panel body can have a longitudinally extending long side in particular have a bung extension that runs continuously in the longitudinal direction and protrudes in the transverse direction and on the other side has a bung groove introduced in the transverse direction in the panel body, so that essentially identically designed panels rest against the long sides via a tongue and groove connection designed as a bung can be connected to each other.
- a locking hook can protrude in the longitudinal direction from the short side of the panel body running in the transverse direction, while a tongue body can protrude from the other short side of the panel body, which delimits a receiving groove, so that essentially identically configured panels also have a tongue and groove on their short sides. Connection can be locked together.
- the blocking element can be inserted in the retaining groove provided on the short side of one panel, in particular motion-proof, which can engage in a locking groove on one the short side facing the blocking element of another panel, in particular of substantially identical design, is provided.
- the blocking element which is designed in particular in the manner of a locking clip, can have a locking web with a locking lug, which can be pushed away elastically when the panels move past during assembly, in order to elastically at least partially, in particular with the locking lug, in the designated end position of the panels to be locked together , snaps into the latching groove and secures the panels, which are thereby latched together, against unintentional loosening.
- one panel can lie flat on a subsurface that defines a usage level, for example a floor, a side wall or a ceiling of a room.
- the further panel can optionally be attached, for example at an angle of approx.
- the extension of the locking groove in the transverse direction corresponds in particular to the extent of the retaining groove in the transverse direction.
- 0.50 ⁇ co/B ⁇ 0.97, in particular 0.75 ⁇ co/B ⁇ 0.95 preferably applies
- the latching groove is preferably configured identically to the retaining groove and/or is produced by the same manufacturing process, which simplifies the simultaneous and/or identical production of the latching groove and the retaining groove.
- the retaining groove accommodating the preassembled blocking element can be provided on one short side of the panel, while the latching groove is provided on the other short side of the panel.
- the retaining groove and/or the locking groove is not provided over the entire transverse extension of the panel body, but only in a partial area of the transverse extension, it is possible to avoid a weakening of the panel body in a transition area between the short side and the long side in the corners of the panel body.
- a retaining groove that is continuous in the transverse direction in a corner of the panel body both the retaining groove and a bung-type groove can end, which means that a particularly large amount of material is missing in the transition area between the short side and the long side and the strength of the panel as a result could be affected.
- outlet openings on the longitudinal edges of the panel, through which water could run down, can be avoided.
- a groove base of the bung groove is also closed on the short side, which provides an effective barrier against water running through.
- the retaining groove running in the transverse direction on the short side can end at a distance from the bung groove running in the longitudinal direction on the long side, sufficient material of the panel body remains between the retaining groove and the bung groove that a significant impairment of the strength of the panel body in the transition area between the short side and the long side is avoided in comparison to the strength of the rest of the bung-groove and / or the rest of the retaining groove.
- the risk that, in the event of heavy, particularly punctiform, stress on the panel in the corners, for example if an office chair is driven over the corner or a table leg is supported on the corner, is thereby at least reduced.
- the blocking element is not movable but is used in a fixed manner in the retaining groove, an air gap between the blocking element and at least a part of the surfaces of the retaining groove pointing towards the blocking element can be minimized, in particular eliminated by a press fit. A breaking off of the material delimiting the retaining groove can thereby be avoided. Instead, the blocking element can fill out a large part of the volume of the retaining groove, in particular over 50%, preferably over 75%, more preferably over 85% and particularly preferably over 95%, whereby loads acting on the material of the panel body delimiting the retaining groove are reduced the locking element can be removed. This improves the breaking strength of the panel, particularly in the corner areas of the panel.
- the risk of liquid being able to run through gaps between the panels to the underside of the panel is at least reduced as a result, so that the security against liquid getting through to the underside of the panel is improved.
- the security of the panel can be measured by filling a liquid, in particular water, with a predefined specific volume into a vessel that is open at the bottom and at the top, so that there is a defined fill level for the liquid in the vessel with a defined hydrostatic pressure resulting therefrom results.
- the vessel filled with the liquid is placed in the middle on a joint crossing area formed between three panels that are latched together in a T-shape on the upper sides of the three panels.
- the level of liquid remaining in the vessel after a predefined specific time is a measure of the flow security against penetration of the liquid into the joint forming between the panels that are locked together.
- the blocking element can also have an extent in the transverse direction that is less than the entire transverse extent of the panel body.
- the blocking element in the configuration in the form of a locking clip can provide sufficiently good locking even with a smaller extension in the transverse direction due to the positive clip connection, so that locking over the entire transverse extension is not necessary at all of the panel body to be provided.
- the transverse extension of the locking element is still so great that the forces acting on the locking element during locking can be distributed over a larger area and the local mechanical loads on the locking element can be kept low.
- the selected ratio of the extension bo of the retaining groove in the transverse direction in relation to the nominal width B of the panel body results in improved breaking strength and improved security against passage in the corner areas of the panel body, while at the same time good locking with low component loads for the blocking element is ensured. Due to the holding groove running only over a larger partial area of the short side and the blocking element accommodated in the holding groove, an unbreakable and walk-through-proof panel with a good and material-friendly latching is made possible. In particular, the blocking element is inserted into the retaining groove in such a way that movement of the blocking element in the transverse direction is blocked with a friction fit and/or a form fit.
- the blocking element strikes the corresponding end of the retaining groove during a movement in the transverse direction and cannot be moved any further.
- a loose fit is preferably formed between the retaining groove and the locking element in the transverse direction.
- a press fit is particularly preferably formed between the retaining groove and the locking element in the thickness direction, as a result of which the material of the panel body forming the retaining groove can be stiffened.
- Suitable blocking elements are described, for example, in WO 2007/079845 A2, the relevant content of which is hereby referred to as part of the invention.
- the respective reinforcement area adjoins the associated edge of the panel body and extends along the short side in the transverse direction to the associated end of the retaining groove.
- the reinforcement area is free of the retaining groove.
- the volume of the holding groove that would otherwise be present is filled by the material of the panel body. This material accumulation in the reinforcement area leads to increased stability and increased breaking strength in the corner area of the panel body.
- the respective amplification range is short enough that a sufficiently large proportion of the Transverse extension of the short side for the retaining groove and the locking element used in the retaining groove remains.
- the panel body preferably has a bung groove on the first edge reaching into the panel body and a bung protruding from the panel body on the second edge, with ti ⁇ t2, in particular 0.75 ⁇ ti/t2 ⁇ 0.99, preferably 0.80 ⁇ ti/t2 ⁇ 0.95 and more preferably 0.85 ⁇ ti/t2 ⁇ 0.90. It can be taken into account here that the panel body is designed to be more stable and firmer on the second edge than on the first edge, where the bung groove is provided, due to the bung attachment. As a result, it can be permitted that the second reinforcement area is made correspondingly shorter in the transverse direction than the first reinforcement area.
- the bung extension protrudes from the remainder of the panel body with which the bung extension may be integrally formed and is thereby located outside the nominal width B of the panel body measured from the first edge to the second edge so that the extent of the bung extension Approach does not contribute to the nominal width B of the panel body.
- the extent of the blocking element in the transverse direction of the panel body can in particular essentially correspond to the extent of the holding groove in the transverse direction correspond to. However, it is also possible for the length of the blocking element in the transverse direction to be selected to be somewhat or significantly less than the length of the retaining groove.
- the extension of the blocking element can be dimensioned, for example, essentially solely with regard to the latching functionality and the ability to withstand the forces to be expected, which means that it is quite possible that the extent of the blocking element can be selected to be smaller than the extent of the retaining groove. In this case it is in principle possible to adapt the extent of the holding groove in the transverse direction to the required smaller extent of the blocking element. However, if the extent of the retaining groove in the transverse direction is chosen to be significantly larger than the extent of the blocking element, there are alternative manufacturing options for the retaining groove.
- the retaining groove can be produced more quickly and cost-effectively.
- a frictional connection of the blocking element in the retaining groove is provided exclusively by clamping forces pointing in the direction of thickness.
- the locking member may be clamped between a thicknesswise upper surface of the retaining groove and a lower surface of the retaining groove. Hooks and/or spikes protruding from the locking element are preferably driven into the material of the locking element delimiting the retaining groove in a form-fitting manner. Clamping in the transverse direction is not planned. Unnecessary shearing forces acting on the blocking element can thereby be avoided. It is also possible for the blocking element to yield somewhat elastically in the transverse direction when inserted into the retaining groove, which makes it easier to press the blocking element into the retaining groove and/or drive hooks and/or spikes into the material of the retaining groove.
- the blocking element has a latching web that can be elastically bent at least partially in the direction of the retaining groove.
- the locking element can be used as a locking clip be designed. If, when two panels are latched, one panel is moved past the other, in particular during a pivoting movement, the panel can bend the latching web elastically towards the retaining groove of the locking element and/or at least partially into the retaining groove of the locking element, so that the Panel can be moved past the locking element.
- the blocking element in particular a latching lug of the latching web, can snap elastically into a latching groove of the panel moved past and bring about the latching connection.
- the latching web of the panel can engage at least partially in the latching groove of the other panel and thereby form a tongue and groove connection.
- the retaining groove particularly preferably has a receiving space adjoining an end face of the short side for accommodating a part of the blocking element, in particular for temporarily receiving an elastically flexible latching web of the locking element, and a fastening space adjoining the side of the receiving space pointing away from the end face for frictional locking and/or form-fitting fastening of a fastening attachment of the blocking element, wherein the extent of the fastening space in the direction of thickness is smaller than the extent of the receiving space in the direction of thickness.
- the fastening of the blocking element in the retaining groove which is particularly fixed against movement, can be carried out to a large extent or completely via the fastening shoulder of the blocking element that dips into the fastening space.
- the blocking element can reserve enough free space in the volume of the receiving space of the retaining groove, into which the elastically flexible latching web of the blocking element or another component causing latching can immerse when the panel to be latched is moved. A relative movement of the panels provided for the locking of the two panels is not blocked by the blocking element.
- the blocking element rests against both surfaces of the receiving space pointing in the thickness direction, in particular with a clamping force, with the blocking element in particular having a receiving pocket extending into the receiving space for temporary Has recording of an elastically bendable connected latching web of the locking element.
- This makes it possible to provide a non-moving and/or in particular load-dissipating attachment of the blocking element in the retaining groove. It can even be allowed that the blocking element can yield elastically in the direction of thickness within the volume of the receiving space. As a result, the blocking element can be manufactured more cost-effectively. Since the blocking element bears against the surfaces pointing in the thickness direction, there is at least a certain frictional connection, which can make it more difficult for the blocking element to slip out of the retaining groove.
- a free volume for forming the receiving pocket can be reserved between the material areas of the blocking element lying against the surfaces. This allows sufficient pivotability of the elastically bendable connected latching web into the receiving pocket when a panel to be latched moves past and a good frictional connection of the locking element within the retaining groove.
- the panel body has, on the short side forming the retaining groove, a locking hook protruding in the longitudinal direction from the short side of the panel body for latching in a receiving groove of a further panel.
- a locking hook protruding in the longitudinal direction from the short side of the panel body for latching in a receiving groove of a further panel.
- the retaining groove has a cross-sectional area that can be produced by rotary machining and has rounded run-out areas at the ends of the retaining groove pointing in the transverse direction.
- Rotational machining is understood as meaning a metal-cutting manufacturing process with a rotating cutting movement on a workpiece that is stationary relative thereto using a rotating machining tool with a geometrically defined cutting edge, for example circular saws with a circular saw blade or Milling with the help of a peripheral milling cutter.
- the three-dimensional shape of the blocking element can be adapted to the shape of the retaining groove, so that surfaces that correspond to one another can face one another and, in particular, can lie flat against one another.
- the blocking element is preferably based essentially on a cuboid basic shape, so that the blocking element is inserted in the retaining groove outside of the rounded run-out areas of the retaining groove, in particular in a non-moving manner, as a result of which the blocking element can be produced more cost-effectively.
- the extension of the blocking element can be dimensioned, for example, essentially solely with regard to the latching functionality and the ability to withstand the forces to be expected, which means that it is quite possible that the extent of the blocking element can be selected to be smaller than the extent of the retaining groove.
- the retaining groove can be produced more quickly and cost-effectively.
- the retaining groove has, in a sectional plane spanned by the longitudinal direction and the transverse direction, a cross-sectional area that can be produced by milling, in particular that is essentially rectangular and rectangular.
- a cross-sectional area that can be produced by milling, in particular that is essentially rectangular and rectangular.
- the entire extension of the retaining groove in the transverse direction can be used to accommodate the blocking element. Rounded inlet areas that remain free can thus be avoided.
- Another embodiment of the invention relates to a method for producing a panel, which can be designed and developed as described above, in which the retaining groove is machined by rotary machining with a machining tool that is immersed into the panel body on the short side of the panel body and rotates about an axis of rotation running in the thickness direction is produced, wherein the cutting tool dips into the panel body at a distance from the first edge and the second edge, is then moved linearly in the transverse direction relative to the panel body and the cutting tool then emerges from the panel body at a distance from the first edge and the second edge.
- the method can be designed and developed as explained above with reference to the panel. Due to the retaining groove running over only a larger portion of the short side due to rotary machining and the blocking element accommodated in the retaining groove, a shatterproof and walk-through-proof panel with a good latching that is gentle on the material is made possible.
- the cutting tool has cutting teeth with respect to the axis of rotation of a main cutting edge pointing essentially in the radial direction and two secondary cutting edges pointing essentially in opposite axial directions, wherein in addition to the main cutting edge the two secondary cutting edges engage the panel body in a cutting and/or smoothing manner to produce the retaining groove .
- the thickness of the cutting teeth in the direction of thickness can run essentially wedge-shaped in the circumferential direction, so that the tooth flanks of the cutting teeth pointing in the direction of thickness can form free surfaces for a suitable wedge angle of the secondary cutting edges.
- the secondary cutting edges and the main cutting edge can share a common chip face.
- the surfaces of the retaining groove produced by the main cutting edge and pointing in the thickness direction can be finished in the same machining step, which makes it easier to insert the blocking element into the retaining groove. Scattering of surface roughness and coefficients of friction of the surfaces can be reduced by smoothing the surfaces that face one another with the help of the secondary cutting edges.
- the cutting tool preferably has cutting teeth with radial extensions of different widths in the axial direction relative to the axis of rotation, the cutting teeth in particular having a radial profile for simultaneously generating both a receiving space and a fastening space for the retaining groove.
- part of the incisor can dip less deeply into the material of the panel body, for example to create part of the receiving space, while another part of the incisor, which is offset in the axial direction, can dip deeper into the material of the panel body, for example to additionally create the fastening space .
- FIG. 1 a schematic plan view of an end region of a panel
- FIG. 2 a schematic sectional side view of the panel from FIG. 1
- FIG. 3 a schematic sectional side view of the panel from FIG. 1
- Fig. 4 a schematic sectional side view of a detail of the panel of Fig. 1 with an inserted locking element.
- the panel 10 shown in Figure 1 can be used to cover a surface of a room, for example as a flooring laminate.
- the panel 10 can have a bung groove 12 on the one hand and a bung attachment 14 on the other hand on its respective long sides running in the longitudinal direction 30 .
- a nominal width B is provided between the long sides of the panel 10, the nominal width B between the edges of the panel 10 on the long sides disregarding the bung groove 12 and the bung lug 14 and considering them non-existent.
- Panel 10 on the short sides running in the transverse direction 32 has a locking hook 16 on the one hand and a spring body 18 that can interact with such a locking hook 16 on the other hand.
- a holding groove 20 into which a blocking element 22 can be inserted so that it cannot move.
- the retaining groove 20 does not extend over the entire nominal width B, but only over a section bo, so that between the retaining groove 20 and the long side with that of the bung groove 12, a first reinforcement area 24 with an extension ti in the transverse direction 32 and between the holding groove 20 and the long side with which the bung attachment 12 remains a second reinforcement area 26 with an extension t2 in the transverse direction 32.
- the retaining groove 20 can be produced by a grooving cutter 40 immersed into the short side of a panel body 28 of the panel 10 and designed in the manner of a circular saw or peripheral milling cutter, so that rounded outlet areas 31 with an extension b2 in the transverse direction 32 result at the ends of the retaining groove 20 .
- the extension bi of the retaining groove 20 remaining between the outlet areas 31 can essentially correspond to the extension of the blocking element 22 in the transverse direction 32 .
- the holding groove 20 can have different depths in the longitudinal direction 30 at different heights in a thickness direction 34 of the panel body 28 .
- the retaining groove 20 thus has a receiving space 36 adjoining the short side of the panel body 28 in the longitudinal direction 30 and a fastening space 38 protruding from the receiving space 36 in the longitudinal direction 30 into the interior of the panel body 28, which differ in their extent in the direction of thickness 34.
- the extent of the receiving space 36 in the direction of thickness 34 is greater than the extent of the fastening space 38 in the direction of thickness 34.
- the stepped holding groove 20 can be produced with the aid of a grooving cutter 40 designed in the manner of a circular saw or a peripheral milling cutter.
- the slot milling cutter 40 has a cutting tool 42 on the radial outside of which cutting teeth 44 are provided.
- the cutting teeth 44 have a stepped profile radially on the outside formed so that the main cutting edges 46 are offset in the radial direction.
- the receiving space 36 with the shorter extension in the longitudinal direction 30 and the fastening space 38 with the greater extension in the longitudinal direction 30 can be produced in a common production step.
- the cutting teeth 44 have secondary cutting edges 48 pointing in the direction of thickness 34, so that the entire retaining groove 20 can be produced with a defined surface.
- the holding groove 20 can be spaced far enough from an upper side 52 of the panel body 28 in the thickness direction 34 that the cutting tool 42 of the groove cutter 40 can be guided past the locking hook 16 .
- the retaining groove 20 is spaced far enough from an underside 50 of the panel body 28 in the thickness direction 34 that the panel body 28 is also sufficiently strong in the region of the retaining groove 20 .
- the holding groove 20 is produced with the aid of the grooving cutter 40, while the upper side 52 of the panel 10 points downwards and the lower side 50 of the panel 10 points upwards, so that the locking hook 16 covering the cutting teeth 44 above can discharge separated chips downwards.
- the locking element 22 can have a fastening projection 60 pressed into the fastening space 38 of the retaining groove 20 .
- the blocking element 22 can also be pressed into a part of the receiving space 36 of the retaining groove 20 that faces the fastening space 38 .
- the blocking element 22 has a latching web 54 with a latching lug 56 which, when it is locked to another panel, can slide off the outside of the other panel and in doing so elastically in the direction of the receiving space 36 of the retaining groove 20 and possibly into a receiving pocket kept free by the blocking element 22 can be swiveled in completely or partially.
- the latching web 54 can elastically snap out of the receiving space 36 so that the latching lug 56 can engage in a corresponding latching groove 58 and bring about latching.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Plates (AREA)
- Superstructure Of Vehicle (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Laminated Bodies (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180072752.7A CN116507463A (zh) | 2021-01-22 | 2021-11-24 | 包括锁定元件的防漏且不易碎面板及生产所述面板的方法 |
US18/036,116 US20240018789A1 (en) | 2021-01-22 | 2021-11-24 | Leak-proof and unbreakable panel comprising a locking element, and method for producing such a panel |
EP21819445.4A EP4281632A1 (de) | 2021-01-22 | 2021-11-24 | Durchlaufsicheres und bruchfestes paneel mit einem sperrelement und verfahren zur herstellung eines derartigen paneels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP21153050.6A EP4033049A1 (de) | 2021-01-22 | 2021-01-22 | Durchlaufsicheres und bruchfestes paneel mit einem sperrelement und verfahren zur herstellung eines derartigen paneels |
EP21153050.6 | 2021-01-22 |
Publications (1)
Publication Number | Publication Date |
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WO2022156940A1 true WO2022156940A1 (de) | 2022-07-28 |
Family
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PCT/EP2021/082854 WO2022156940A1 (de) | 2021-01-22 | 2021-11-24 | Durchlaufsicheres und bruchfestes paneel mit einem sperrelement und verfahren zur herstellung eines derartigen paneels |
Country Status (4)
Country | Link |
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US (1) | US20240018789A1 (de) |
EP (2) | EP4033049A1 (de) |
CN (1) | CN116507463A (de) |
WO (1) | WO2022156940A1 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7131473B1 (en) * | 2005-07-19 | 2006-11-07 | Freud America, Inc. | Programmable coping bit |
WO2006133690A1 (de) | 2005-06-16 | 2006-12-21 | Akzenta Paneele + Profile Gmbh | Fussbodenpaneel mit einem holzwerkstoffkern, einer dekorschicht und verriegelungsprofilen |
WO2007079845A1 (de) | 2006-01-13 | 2007-07-19 | Akzenta Paneele + Profile Gmbh | Locking element, panel with separate locking element, method of installing a panel covering comprising panels with lockin elements and a method and apparatus for pre-mounting a locking element to a panel |
WO2010087752A1 (en) | 2009-01-30 | 2010-08-05 | Välinge Innovation Belgium BVBA | Mechanical lockings of floor panels and a tongue blank |
EP2236694A1 (de) * | 2009-03-25 | 2010-10-06 | Spanolux N.V.- DIV. Balterio | Befestigungssystem und Paneel |
EP2946047B1 (de) * | 2013-01-11 | 2019-03-13 | Flooring Industries Limited, SARL | Bodenplatte zur bildung eines fussbodenbelages |
-
2021
- 2021-01-22 EP EP21153050.6A patent/EP4033049A1/de active Pending
- 2021-11-24 WO PCT/EP2021/082854 patent/WO2022156940A1/de active Application Filing
- 2021-11-24 CN CN202180072752.7A patent/CN116507463A/zh active Pending
- 2021-11-24 US US18/036,116 patent/US20240018789A1/en active Pending
- 2021-11-24 EP EP21819445.4A patent/EP4281632A1/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006133690A1 (de) | 2005-06-16 | 2006-12-21 | Akzenta Paneele + Profile Gmbh | Fussbodenpaneel mit einem holzwerkstoffkern, einer dekorschicht und verriegelungsprofilen |
US7131473B1 (en) * | 2005-07-19 | 2006-11-07 | Freud America, Inc. | Programmable coping bit |
WO2007079845A1 (de) | 2006-01-13 | 2007-07-19 | Akzenta Paneele + Profile Gmbh | Locking element, panel with separate locking element, method of installing a panel covering comprising panels with lockin elements and a method and apparatus for pre-mounting a locking element to a panel |
WO2010087752A1 (en) | 2009-01-30 | 2010-08-05 | Välinge Innovation Belgium BVBA | Mechanical lockings of floor panels and a tongue blank |
EP2236694A1 (de) * | 2009-03-25 | 2010-10-06 | Spanolux N.V.- DIV. Balterio | Befestigungssystem und Paneel |
EP2946047B1 (de) * | 2013-01-11 | 2019-03-13 | Flooring Industries Limited, SARL | Bodenplatte zur bildung eines fussbodenbelages |
Also Published As
Publication number | Publication date |
---|---|
EP4281632A1 (de) | 2023-11-29 |
CN116507463A (zh) | 2023-07-28 |
EP4033049A1 (de) | 2022-07-27 |
US20240018789A1 (en) | 2024-01-18 |
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