EP3031998B1 - Panel with a hook-like locking system - Google Patents

Panel with a hook-like locking system Download PDF

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Publication number
EP3031998B1
EP3031998B1 EP14196822.2A EP14196822A EP3031998B1 EP 3031998 B1 EP3031998 B1 EP 3031998B1 EP 14196822 A EP14196822 A EP 14196822A EP 3031998 B1 EP3031998 B1 EP 3031998B1
Authority
EP
European Patent Office
Prior art keywords
detent
panel
groove
receiving
hook
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.)
Active
Application number
EP14196822.2A
Other languages
German (de)
French (fr)
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EP3031998A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innovations 4 Flooring Holding NV
Original Assignee
Innovations 4 Flooring Holding NV
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
Application filed by Innovations 4 Flooring Holding NV filed Critical Innovations 4 Flooring Holding NV
Priority to PL14196822T priority Critical patent/PL3031998T4/en
Priority to RS20171294A priority patent/RS56653B1/en
Priority to SI201430524T priority patent/SI3031998T1/en
Priority to NO14196822A priority patent/NO3031998T3/no
Priority to PT141968222T priority patent/PT3031998T/en
Priority to DK14196822.2T priority patent/DK3031998T3/en
Priority to LTEP14196822.2T priority patent/LT3031998T/en
Priority to ES14196822.2T priority patent/ES2653662T3/en
Priority to HUE14196822A priority patent/HUE037701T2/en
Priority to EP14196822.2A priority patent/EP3031998B1/en
Priority to EP18202881.1A priority patent/EP3467233B1/en
Priority to EP24167945.5A priority patent/EP4372181A3/en
Priority to EP20167421.5A priority patent/EP3705659B1/en
Priority to RS20200942A priority patent/RS60778B1/en
Priority to HUE18202881A priority patent/HUE050129T2/en
Priority to EP21206764.9A priority patent/EP3981931B1/en
Priority to CA3184360A priority patent/CA3184360A1/en
Priority to CN202010467251.6A priority patent/CN111877677A/en
Priority to DK18202881.1T priority patent/DK3467233T3/en
Priority to ES20167421T priority patent/ES2902444T3/en
Priority to PT158048538T priority patent/PT3230534T/en
Priority to ATGM76/2020U priority patent/AT17258U1/en
Priority to PL20167421T priority patent/PL3705659T3/en
Priority to CN202010466692.4A priority patent/CN111877676A/en
Priority to SI201531241T priority patent/SI3230534T1/en
Priority to KR1020177019115A priority patent/KR102493452B1/en
Priority to PL18202881T priority patent/PL3467233T3/en
Priority to LTEP15804853.8T priority patent/LT3230534T/en
Priority to SI201531305T priority patent/SI3467233T1/en
Priority to US15/533,811 priority patent/US10738477B2/en
Priority to UAA201707127A priority patent/UA122566C2/en
Priority to RU2017124001A priority patent/RU2711586C2/en
Priority to HRP20211998TT priority patent/HRP20211998T1/en
Priority to PCT/EP2015/078854 priority patent/WO2016091819A1/en
Priority to DK15804853.8T priority patent/DK3230534T3/en
Priority to PL21206764.9T priority patent/PL3981931T3/en
Priority to CA2970056A priority patent/CA2970056C/en
Priority to ES18202881T priority patent/ES2811224T3/en
Priority to HUE15804853A priority patent/HUE051009T2/en
Priority to PL15804853T priority patent/PL3230534T4/en
Priority to PT182028811T priority patent/PT3467233T/en
Priority to BR112017012129-8A priority patent/BR112017012129B1/en
Priority to CN201580073627.2A priority patent/CN108026728B/en
Priority to RU2019143438A priority patent/RU2791709C2/en
Priority to AU2015359590A priority patent/AU2015359590B2/en
Priority to MYPI2017702122A priority patent/MY183479A/en
Priority to DE202015009670.0U priority patent/DE202015009670U1/en
Priority to ES15804853T priority patent/ES2800165T3/en
Priority to EP15804853.8A priority patent/EP3230534B1/en
Priority to RS20200708A priority patent/RS60457B1/en
Priority to LTEP18202881.1T priority patent/LT3467233T/en
Priority to JP2017530615A priority patent/JP6854761B2/en
Publication of EP3031998A1 publication Critical patent/EP3031998A1/en
Application granted granted Critical
Publication of EP3031998B1 publication Critical patent/EP3031998B1/en
Priority to CY20171101322T priority patent/CY1119858T1/en
Priority to HRP20171956TT priority patent/HRP20171956T1/en
Priority to HRP20200972TT priority patent/HRP20200972T1/en
Priority to CY20201100592T priority patent/CY1123082T1/en
Priority to US16/940,546 priority patent/US11319712B2/en
Priority to CY20201100737T priority patent/CY1123178T1/en
Priority to HRP20201234TT priority patent/HRP20201234T1/en
Priority to JP2020215391A priority patent/JP7063978B2/en
Priority to AU2021201051A priority patent/AU2021201051B2/en
Priority to US17/720,424 priority patent/US11913237B2/en
Priority to US18/536,632 priority patent/US20240110388A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • 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
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153—Joining 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
    • E04F2201/0161—Joining 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 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
    • E04F2201/027—Non-undercut connections, e.g. tongue and groove connections connected by tongues and grooves, the centerline of the connection being inclined to the top surface
    • 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

Definitions

  • the invention relates to a panel, comprising a panel top and a panel bottom and at least four panel edges, which face each other in pairs, with matching at the panel edges complementary retaining profiles that match such that similar panels are fastened together, wherein at least one of the retaining profile pairs provided with hook profiles is, namely on a panel edge with a receiving hook and on the opposite panel edge with a locking hook.
  • floor coverings are made, in particular, such panels are suitable for floating floor coverings.
  • the panels usually have decorative surfaces.
  • the proposed panel should be suitable for interlocking according to the "fold-down method".
  • a Paneelart is used in which one of the retaining profile pairs is provided with a modified tongue and groove profile, while the other pair of retaining profile is provided with the hook profiles according to the invention.
  • a new panel is angled and preferably brought with its spring profile edge to the groove profile edge of a horizontal panel or a row of panels. Subsequently, the new panel is pivoted down into the plane of the assembled panels, thereby positively locking the spring profile locked with the groove profile.
  • a positive locking of the hook profiles is generated at the same time because one of the hook profiles moves like a scissor toward the other hook profile and positively engages with it. There is a lock instead.
  • the proposed hook profiles are also suitable for a push-down locking.
  • all the panel pairs of panels need to be connected by a vertical movement, i. for example, by a lowering movement of a panel, namely in a direction perpendicular to the panel top direction (vertical).
  • the fold-down method is then not applicable.
  • a panel can not be locked at the end of a panel row because a wall in the way and the panel is too long.
  • a panel e.g. cut with a saw to cut it to the required length.
  • a new row of panels can be started with the separated residual piece of the panel.
  • the complementary retaining profiles of a severed panel always fit together. In principle, therefore, complementary retaining profile edges of a severed panel can be locked together.
  • the WO 01/02670 proposes different hook profile pairs.
  • the hook profiles are intended to prevent horizontal pulling apart of the panels, ie in the panel plane and perpendicular to the locked panel edges. However, it appears in a load in said horizontal direction that the strength of the hook profiles is unsatisfactory.
  • DE 10 2011 121 348 A1 and DE 10 2011 104 718 A1 discloses a panel comprising a panel top and a panel bottom, and at least four panel edges facing each other in pairs with complementary retaining profiles provided in pairs at the panel edges to mate similar panels together, at least one of the pair of retaining profiles being provided with hook profiles; namely on a panel edge with a receiving hook and on the opposite edge of the panel with a locking hook, the receiving hook has a receiving panel directed to the top panel and an open to the panel top receiving groove and the locking hook is provided with a directed towards the bottom panel locking edge and a bottom open to the panel locking groove, wherein the receiving edge has an inner side, which faces the receiving groove, and this inner side serves as a lower locking surface, and matching the Arretierrand has an inner side, which the Arreti is facing, and this inner side serves as a corresponding upper locking surface, with the proviso that both the upper locking surface and the lower locking surface are each inclined relative
  • the Applicant is seeking a panel with an improved hook profile pair.
  • the invention proposes for this purpose that at least a planar portion of the top of the receiving edge is inclined downwardly towards the outside of the receiving edge, wherein at least a planar portion of the groove bottom of the locking groove is adapted in a complementary manner to the inclination of the top of the receiving edge, wherein the receiving hook, a transition from the top of the receiving edge is provided in the lower locking surface, wherein this transition is formed as a curvature, and wherein between the portion of the groove base and the upper locking surface a transition is provided, said transition is a curvature forming a throat.
  • the normal vector is directed in the sense of the invention in each case by the corresponding locking surface perpendicular to the outside (not directed into the panel material).
  • the normal vector includes, with the respective panel side which it intersects, in each case an angle which is the same as the angular dimension by which the locking surfaces are inclined with respect to the perpendicular on the panel top side (change angle).
  • the inclination of the locking surfaces relative to the solder on the top of the panel may be in an angular range ⁇ of 4 ° to 50 °.
  • the angle ⁇ is in a range of 5 ° to 30 °, and more preferably in a range of 5 ° to 15 °.
  • the panel is preferably made of a wood material, such as HDF, MDF or OSB, which in a broader sense also WPC materials (wood plastic composite) fall under it. Because of the locking mechanism presupposes a certain elasticity, in particular in the region of the first and thus corresponding second locking means, said materials are suitable because of their certain elasticity.
  • the panel material may also be a plastic, as in the case of LVT (luxury vinyl tiles) products, for example, because this plastic also has some elasticity.
  • the portion of the groove bottom of the locking groove and the portion of the top of the receiving edge can be aligned parallel to each other in the locked state.
  • the receiving groove of a hook profile is such that the locking edge of the complementary hook profile fits into the receiving groove and the locking groove of the complementary hook profile is such that the receiving edge of a hook profile fits into the locking groove.
  • a further development provides that the first latching means of the lower latching has a latching projection, and that the second latching means of the lower latching has a mating latching recess.
  • the first locking means of the lower latching a latching recess and that the second latching means of the lower latching have a mating latching projection.
  • an upper latching which has a first latching means on an outer side of the arresting edge, and a second latching means corresponding thereto is provided on a recessed groove flank of the receiving slot.
  • the first latching means of the upper latching arrangement expediently has a latching projection and that second latching means of the upper latching mechanism has a matching latching recess.
  • first locking means of the upper latching a locking recess and that the second locking means of the upper latching have a mating latching projection.
  • a further benefit is obtained if at least one free space is provided between the underside of the arresting edge and the groove bottom of the receiving groove.
  • the space can absorb dirt particles or other loose particles.
  • particles can detach from the panel edge, which should not settle between joining surfaces of the hook profiles. Otherwise they could hinder a positionally correct locking of the hook profiles.
  • an underside of the Arretierrand in the locked state at least partially touches the groove bottom of the receiving groove. If a load presses on the panel top in the region of the arresting edge, the arresting edge can bear this load because its underside is supported on the groove bottom of the receiving groove of the receiving hook.
  • the curvature provided on the receiving edge provides edge protection. It can also serve to guide the locking edge when it comes into contact with the curvature. Thus, the Arretierrand along the curvature is moved down into the receiving groove.
  • Fig. 1 shows a perspective fold-down method for locking panels according to the prior art.
  • a new panel 1 is angled obliquely with a spring profile edge 2 advanced to a Nutprofilkante 3 of a lying panel 4 a previous row of panels.
  • the new panel 1 is pivoted down into the plane of the assembled panels, wherein in the same row of panels an identical panel 5 already lies. Due to the pivoting joining movement, the tongue and groove edge lock together.
  • the new panel 1 also has a pair of hook profiles, namely a receiving hook (not shown) and a locking hook 6.
  • the locking hook 6 of the new panel 1 is like scissors in the direction of the complementary receiving hook 7 of the identical panel 5 moves. In this case hooks the locking hook 6 with the receiving hook 7 and at the same time with the locking of tongue and groove profile edge is a positive locking of the hook profiles vonstatten.
  • Fig. 1 the structure of a floor surface is indicated.
  • a new panel is always applied to the left continuously.
  • Fig. 2 shows a second example of a known in the art fold-down method for locking panels. It is different from the method of Fig. 1 only in that a new panel must be applied continuously to the right, ie the panel edges, which have the receiving hook or the locking hook are compared to the example of Fig. 1 been swapped.
  • Tongue and groove profiles which are suitable for a positive locking by means of the fold-down method, are well known in the art, for example from the WO 97/47834 A1 or off WO 00/63510 ,
  • Fig. 3 illustrates a first embodiment of a panel 1 according to the invention with a panel top 1a and a panel bottom 1b, wherein simplified only one pair of retaining profile of the panel is shown.
  • the one shown here Retaining profile pair has complementary hook profiles, namely a locking hook 6 (top) and a receiving hook 7 (bottom).
  • a locking hook 6 top
  • a receiving hook 7 bottom
  • the receiving hook 6 has a receiving edge 8 directed towards the panel top 1a and a receiving groove 9 which is open towards the panel top.
  • the locking hook 7 is provided with a locking edge 10 directed towards the panel bottom 1b and with a locking groove 11 which is open towards the panel bottom 1b.
  • the locking hook 7 forms an upper locking surface 13 on an inner side of its locking rim 10 facing the locking groove 11, which cooperates with the lower locking surface 12 of the receiving rim 8 ,
  • the inclination of the lower locking surface 12 is selected so that the normal vector N 12 , which is directed from the lower locking surface 12 perpendicular to the outside, the panel top 1a intersects.
  • the normal vector N 13 on the upper locking surface 13 is directed vertically outwards, so that this normal vector N 13, the opposite panel underside 1b cuts.
  • the Paneeloberseite 1a and the normal vector N 12 enclose an angle which is as large as the above-mentioned angle ⁇ (changing angle). Applies, The same applies to the underside of the panel, which includes an equal angle (change angle) with the normal vector N 13 .
  • a lower catch 14 is provided.
  • This comprises on the receiving hook 7, a first locking means in the form of a protruding latching projection 15.
  • the latching projection 15 is arranged on an outer side 8a of the receiving edge 8.
  • a second latching means in the form of a latching recess 16 is provided on the locking hook 7.
  • the detent recess 16 is arranged on a recessed groove flank 11 a of the locking groove 11.
  • a portion 8b of the top of the receiving edge 8 has a downward slope, namely falling in the direction of the outside 8a of the receiving edge.
  • Matching is on the locking hook 7, a portion 11b of the groove bottom of the locking groove 11 in a complementary manner adapted to the inclination of the portion 8b of the top of the receiving edge 8.
  • the inclined sections 8b and 11b of receiving edge top side and Arretiernutground are aligned parallel to each other.
  • a transition from the upper side 8b of the receiving edge 8 to the lower locking surface 12 provided on the receiving hook 6, a transition from the upper side 8b of the receiving edge 8 to the lower locking surface 12 provided.
  • the transition is formed as a curvature 17.
  • the curvature 17 is a radius in the present example.
  • a transition with a curvature 18 between the portion 11 b of the groove bottom of the locking groove 11 and the upper locking surface 13 is provided on the locking hook 7.
  • the curvature 17 on the receiving edge provides an edge protection and a guide surface.
  • the edge protector is stronger than the protective effect of a phase which has the same width and height as the curvature 17.
  • the curvature 18 forms a throat. It has a radius in the present example and serves the stability in the transition region from the upper locking surface 13 to the groove bottom of the locking groove eleventh
  • Fig. 4 are the hook profiles made Fig. 3 shown in the locked state.
  • the lower catch 14 counteracts a height offset of the two panel tops 1a, ie a movement apart of the panel edges perpendicular to the panel surface is counteracted.
  • a closed joint F also forms in the horizontal direction on the panel surface 1a.
  • An outer side 10b of the arresting edge 10 is in contact with a recessed groove flank 9b of the receiving groove 9 in this joint.
  • a gap 19 is present between the inclined portion 11b of the groove bottom of the locking groove and the inclined portion 8b of the top of the receiving edge 8. This favors it to avoid a height offset at the joint F of the panel top 1a.
  • the gap 19 provides a certain compliance of the locking hook 7. It has a place with its smallest thickness, which is located where the locking groove 11 is the lowest. The thus gained Compliance can be used because the gap creates 19 space in which a deformation can take place.
  • Fig. 4a shows a detail that enlarges a section that is in Fig. 4 with IVa is noted.
  • the latching projection 15 is provided on the receiving hook 6, namely on the outer side 8a of the receiving edge 8.
  • the latching recess is provided on the locking hook 7 and there on a recessed groove flank 11a of the locking groove eleventh
  • a latching recess 15a is arranged on the receiving hook 6, specifically on the outer side 8a of the receiving edge 8.
  • a latching projection 16a is then provided on the locking hook 7, namely provided on its recessed groove flank 11a of the locking groove 11.
  • FIG. 5 Another embodiment proposes a panel with special hook profiles Fig. 5 in front. This goes from the embodiment of FIGS. 3 and 4 out. From this it differs by an additional upper latching 20.
  • the upper latch 20 has on the locking hook 7, a first locking means in the form of a latching projection 21, which is arranged on the outer side 10b of the Arretierrands 10. It acts together with a corresponding second locking means on the receiving hook 6, which is provided on the set-back groove flank 9b of the receiving groove 9.
  • the second latching means forms a latching recess 22, as best in the cutout according to Fig. 5a can be seen.
  • Fig. 5a magnifies the detail that is in Fig. 5 with Va is designated.
  • a latching recess 21a on the locking hook namely on the outside of the Arretierrand 10 arranged.
  • a latching projection 22a is provided on the receiving hook and indeed on the recessed groove flank 9b of the receiving groove.
  • Fig. 6 shows hook profiles, starting from the FIGS. 3 and 4
  • a free space 23 is formed which extends between the groove bottom 9a of the receiving groove 9 of the receiving hook 6 and a lower side 10a of the arresting edge 10 of the locking hook 7.
  • the free space 23 extends to the outside 10b of the arresting edge 10 or up to the recessed groove flank 9b of the receiving groove 9 zoom.
  • the clearance 23 may receive dirt particles or other loose particles. In the case of wood-based panels, for example, particles can detach from the edge of the panel. Detached should not get between the joining surfaces of the hook profiles and settle there, otherwise they hinder a correct position locking the hook profiles.
  • the in Fig. 6 proposed space 23 formed gap-shaped.
  • the gap-shaped clearance 23 continues towards the bottom of the groove 9a and in this way creates the desired space for receiving unwanted particles.
  • Fig. 7 shows hook profiles, which also starting from the FIGS. 3 and 4 have a change in such a way that again in the locked state of the hook profiles a clearance 24 is formed, which extends between the groove bottom 9a of the receiving groove 9 of the receiving hook 6 and a bottom 10a of the Arretierrands 10 of the locking hook 7.
  • the free space 24 extends as far as the lower locking surface 12 of the receiving hook 6 or up to the upper locking surface 13 of the locking hook 7 zoom.
  • the underside 10a of the locking edge 10 is provided with a flat shoulder 24a, which protrudes from the bottom 10a of the locking edge 10.
  • the space 24 can also absorb dirt particles or other loose particles and record in panels of wood materials any detached wood particles that would otherwise set between the joining surfaces of the hook profiles and would hinder a positionally correct locking the hook profiles.
  • the remaining portion of the bottom 10a is in the locked state with the groove bottom 9a of the receiving groove 9 in contact and thereby supported.
  • Fig. 8 also shows hook profiles, by the FIGS. 3 and 4 out. Compared to these figures, only the lower catch 14 has been modified. According to Fig. 8 the locking projection 15 of the receiving hook 6 protrudes further from the outer side 8a of the receiving edge 8 than in FIG Fig. 4 , The depth of the detent recess 16 is opposite Fig. 4 unchanged. This creates a gap 25 between the outside 8a and the set-back groove flank 11a of the locking groove 11 of the locking hook 7. The gap 25 improves the latchability of the lower catch 14th
  • FIG. 8a the lower catch 14 is enlarged as a section.
  • An alternative to Fig. 8a shows the clipping according to Fig. 8b , Thereafter, the position of locking recess and locking projection is reversed.
  • a detent recess 15a is now arranged on the receiving hook 6 and that on the outer side 8a of the receiving edge 8.
  • a latching projection 16a is provided for this purpose on the locking hook 7 on its recessed groove flank 11a of the locking groove 11.
  • FIG. 9 Another embodiment of hook profiles of the panel is in Fig. 9 shown. This too is based on the FIGS. 3 and 4 and also integrates all the changes that are made in the examples of Fig. 5, Fig. 6 . FIGS. 7 and 8 were proposed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)
  • Connection Of Plates (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

Die Erfindung betrifft ein Paneel, umfassend eine Paneeloberseite und eine Paneelunterseite sowie wenigstens vier Paneelkanten, die sich paarweise gegenüberliegen, mit an den Paneelkanten paarweise vorgesehenen komplementären Halteprofilen, die derart zueinanderpassen, dass gleichartige Paneele aneinander befestigbar sind, wobei wenigstens eines der Halteprofilpaare mit Hakenprofilen versehen ist, nämlich an einer Paneelkante mit einem Aufnahmehaken und an der gegenüberliegenden Paneelkante mit einem Arretierhaken.The invention relates to a panel, comprising a panel top and a panel bottom and at least four panel edges, which face each other in pairs, with matching at the panel edges complementary retaining profiles that match such that similar panels are fastened together, wherein at least one of the retaining profile pairs provided with hook profiles is, namely on a panel edge with a receiving hook and on the opposite panel edge with a locking hook.

Mit derlei Paneelen werden beispielsweise Fußbodenbeläge hergestellt, insbesondere eignen sich solche Paneele für schwimmend verlegte Fußbodenbeläge. Die Paneele weisen üblicherweise dekorative Oberflächen auf.With such panels, for example, floor coverings are made, in particular, such panels are suitable for floating floor coverings. The panels usually have decorative surfaces.

Das vorzuschlagende Paneel soll sich eignen für eine Verriegelung nach der "fold-down-Methode". Für diese Methode wird eine Paneelart benutzt, bei der eines der Halteprofilpaare mit einem modifizierten Nut- und Federprofil versehen ist, während das andere Halteprofilpaar mit den erfindungsgemäßen Hakenprofilen versehen ist. Für die fold-down-Methode wird ein neues Paneel angewinkelt und vorzugsweise mit seiner Federprofilkante an die Nutprofilkante eines liegenden Paneels beziehungsweise einer Paneelreihe herangebracht. Anschließend wird das neue Paneel in die Ebene der montierten Paneele herabgeschwenkt und dadurch das Federprofil formschlüssig mit dem Nutprofil verriegelt. Während der erwähnten Herabschwenkbewegung wird gleichzeitig auch eine formschlüssige Verriegelung der Hakenprofile erzeugt, weil sich eines der Hakenprofile scherenartig auf das andere Hakenprofil zu bewegt und formschlüssig mit diesem verhakt. Dabei findet eine Verriegelung statt.The proposed panel should be suitable for interlocking according to the "fold-down method". For this method, a Paneelart is used in which one of the retaining profile pairs is provided with a modified tongue and groove profile, while the other pair of retaining profile is provided with the hook profiles according to the invention. For the fold-down method, a new panel is angled and preferably brought with its spring profile edge to the groove profile edge of a horizontal panel or a row of panels. Subsequently, the new panel is pivoted down into the plane of the assembled panels, thereby positively locking the spring profile locked with the groove profile. During the mentioned swing-down movement, a positive locking of the hook profiles is generated at the same time because one of the hook profiles moves like a scissor toward the other hook profile and positively engages with it. There is a lock instead.

Die vorgeschlagenen Hakenprofile eignen sich darüber hinaus aber auch für eine push-down-Verriegelung. Für eine push-down-Verriegelung müssen alle Halteprofilpaare eines Paneels durch eine vertikale Bewegung verbunden werden können, d.h. beispielsweise durch eine absenkende Bewegung eines Paneels, nämlich in einer zur Paneeloberseite senkrechten Richtung (vertikal). Die fold-down-Methode ist dann nicht anwendbar.In addition, the proposed hook profiles are also suitable for a push-down locking. For a push-down latch, all the panel pairs of panels need to be connected by a vertical movement, i. for example, by a lowering movement of a panel, namely in a direction perpendicular to the panel top direction (vertical). The fold-down method is then not applicable.

In der Praxis kommt es vor, dass ein Paneel an dem Ende einer Paneelreihe nicht verriegelt werden kann, weil eine Wand im Weg und das Paneel zu lang ist. Damit die Lücke im Boden geschlossen werden kann, ist es üblich, ein Paneel z.B. mit einer Säge zu durchtrennen, um es auf die benötigte Länge zu kürzen. Mit dem abgetrennten Reststück des Paneels kann in der Regel eine neue Paneelreihe begonnen werden. Grundsätzlich passen die komplementären Halteprofile eines durchtrennten Paneels stets ineinander. Im Prinzip können daher komplementäre Halteprofilkanten eines durchtrennten Paneels miteinander verriegelt werden.In practice it happens that a panel can not be locked at the end of a panel row because a wall in the way and the panel is too long. In order to close the gap in the floor, it is common to use a panel e.g. cut with a saw to cut it to the required length. As a rule, a new row of panels can be started with the separated residual piece of the panel. Basically, the complementary retaining profiles of a severed panel always fit together. In principle, therefore, complementary retaining profile edges of a severed panel can be locked together.

Die WO 01/02670 schlägt verschiedene Hakenprofilpaare vor. Die Hakenprofile sollen ein horizontales Auseinanderziehen der Paneele, d.h. in der Paneelebene und senkrecht zu den verriegelten Paneelkanten verhindern. Es zeigt sich jedoch bei einer Belastung in der genannten horizontalen Richtung, dass die Festigkeit der Hakenprofile unbefriedigend ist.The WO 01/02670 proposes different hook profile pairs. The hook profiles are intended to prevent horizontal pulling apart of the panels, ie in the panel plane and perpendicular to the locked panel edges. However, it appears in a load in said horizontal direction that the strength of the hook profiles is unsatisfactory.

Weitere Paneele mit Hakenprofilpaaren sind aus der WO 2010/ 143962 A1 bekannt. Die verschiedenen Ausführungsbeispiele dieses Standes der Technik kranken daran, dass die Hakenprofilpaare, wenn sie in der Paneelebene und senkrecht zu den verriegelten Paneelkanten auseinandergezogen werden, bersten können. Dies geschieht insbesondere dann, wenn die Paneele aus künstlichem Holzwerkstoff bestehen, die aus Holzpartikeln oder -fasern bestehen, die mit einem Bindemittel zu einem Plattenmaterial gebunden sind.
Allgemeinen Stand der Technik bilden die Veröffentlichungen DE 10 2011 086 846 A1 , WO 2012/001503 A1 , WO 03/016554 A1 , DE 10 2011 121 348 A1 und DE 10 2011 104 718 A1 . Dabei ist insbesondere aus DE10 2011 086 846 A1 bekannt, ein Paneel umfassend eine Paneeloberseite und eine Paneelunterseite sowie wenigstens vier Paneelkanten, die sich paarweise gegenüberliegen, mit an den Paneelkanten paarweise vorgesehenen komplementären Halteprofilen, die derart zueinanderpassen, dass gleichartige Paneele aneinander befestigbar sind, wobei wenigstens eines der Halteprofilpaare mit Hakenprofilen versehen ist, nämlich an einer Paneelkante mit einem Aufnahmehaken und an der gegenüberliegenden Paneelkante mit einem Arretierhaken, wobei der Aufnahmehaken einen zur Paneeloberseite gerichteten Aufnahmerand und eine zur Paneeloberseite offene Aufnahmenut hat und der Arretierhaken mit einem zur Paneelunterseite gerichteten Arretierrand und mit einer zur Paneelunterseite offenen Arretiernut versehen ist, wobei der Aufnahmerand eine Innenseite aufweist, die der Aufnahmenut zugewandt ist, und diese Innenseite als untere Verriegelungsfläche dient, und dazu passend der Arretierrand eine Innenseite hat, welche der Arretiernut zugewandt ist, und diese Innenseite als korrespondierende obere Verriegelungsfläche dient, mit der Maßgabe, dass sowohl die obere Verriegelungsfläche als auch die untere Verriegelungsfläche jeweils gegenüber dem Lot auf der Paneeloberseite derart geneigt ist, dass sie im verriegelten Zustand zueinander parallel ausgerichtet sind und sich berühren können, wobei die Neigung der Verriegelungsflächen so gewählt ist, dass der Normalvektor auf der unteren Verriegelungsfläche die Paneeloberseite schneidet und der Normalvektor auf der oberen Verriegelungsfläche die Paneelunterseite schneidet, wobei eine untere Verrastung vorgesehen ist, welche ein erstes Rastmittel umfasst, das an einer Außenseite des Aufnahmerands angeordnet ist, und die untere Verrastung ein dazu korrespondierendes zweites Rastmittel umfasst, welches an einer zurückversetzten Nutflanke der Arretiernut angeordnet ist.Other panels with hook profile pairs are from the WO 2010/143962 A1 known. The various embodiments of this prior art suffer from the fact that the hook profile pairs, if they can be pulled apart in the panel plane and perpendicular to the locked panel edges. This is especially true when the panels are made of engineered wood material consisting of wood particles or fibers bonded to a panel material with a binder.
The prior art forms the publications DE 10 2011 086 846 A1 . WO 2012/001503 A1 . WO 03/016554 A1 . DE 10 2011 121 348 A1 and DE 10 2011 104 718 A1 , It is in particular from DE10 2011 086 846 A1 discloses a panel comprising a panel top and a panel bottom, and at least four panel edges facing each other in pairs with complementary retaining profiles provided in pairs at the panel edges to mate similar panels together, at least one of the pair of retaining profiles being provided with hook profiles; namely on a panel edge with a receiving hook and on the opposite edge of the panel with a locking hook, the receiving hook has a receiving panel directed to the top panel and an open to the panel top receiving groove and the locking hook is provided with a directed towards the bottom panel locking edge and a bottom open to the panel locking groove, wherein the receiving edge has an inner side, which faces the receiving groove, and this inner side serves as a lower locking surface, and matching the Arretierrand has an inner side, which the Arreti is facing, and this inner side serves as a corresponding upper locking surface, with the proviso that both the upper locking surface and the lower locking surface are each inclined relative to the Lot on the panel top so that they are aligned parallel to each other in the locked state and touch can, with the inclination of the Locking surfaces is selected so that the normal vector on the lower locking surface intersects the panel top and the normal vector on the upper locking surface intersects the panel bottom, wherein a lower latch is provided, which comprises a first latching means, which is arranged on an outer side of the receiving edge, and lower latching a corresponding thereto second latching means, which is arranged on a recessed groove flank of the locking groove.

Im Hinblick hierauf sucht die Anmelderin nach einem Paneel mit einem verbesserten Hakenprofilpaar.In view of this, the Applicant is seeking a panel with an improved hook profile pair.

Die Erfindung schlägt zu diesem Zweck vor, dass
zumindest ein ebenes Teilstück der Oberseite des Aufnahmerands in Richtung der Außenseite des Aufnahmerands abwärts geneigt verläuft, wobei zumindest ein ebenes Teilstück des Nutgrunds der Arretiernut in komplementärer Weise angepasst ist an die Neigung der Oberseite des Aufnahmerands, wobei am Aufnahmehaken ein Übergang von der Oberseite des Aufnahmerands in die untere Verriegelungsfläche vorgesehen ist, wobei dieser Übergang als Krümmung ausgebildet ist, und wobei zwischen dem Teilstück des Nutgrunds und der oberen Verriegelungsfläche ein Übergang vorgesehen ist, wobei dieser Übergang eine Krümmung ist, die eine Kehle bildet.The invention proposes for this purpose that
at least a planar portion of the top of the receiving edge is inclined downwardly towards the outside of the receiving edge, wherein at least a planar portion of the groove bottom of the locking groove is adapted in a complementary manner to the inclination of the top of the receiving edge, wherein the receiving hook, a transition from the top of the receiving edge is provided in the lower locking surface, wherein this transition is formed as a curvature, and wherein between the portion of the groove base and the upper locking surface a transition is provided, said transition is a curvature forming a throat.

Der Normalvektor ist im Sinne der Erfindung jeweils von der entsprechenden Verriegelungsfläche senkrecht nach außen gerichtet (nicht ins Paneelmaterial gerichtet). Der Normalvektor schließt mit der jeweiligen Paneelseite, die er schneidet, jeweils einen Winkel ein, welcher gleich groß ist, wie das Winkelmaß, um das die Verriegelungsflächen gegenüber dem Lot auf der Paneeloberseite geneigt sind (Wechselwinkel). Die Neigung der Verriegelungsflächen gegenüber dem Lot auf der Paneeloberseite kann in einem Winkelbereich α von 4° bis 50° liegen. Bevorzugt liegt der Winkel α in einem Bereich von 5° bis 30°undbesonders bevorzugt in einem Bereich von 5° bis 15°.The normal vector is directed in the sense of the invention in each case by the corresponding locking surface perpendicular to the outside (not directed into the panel material). The normal vector includes, with the respective panel side which it intersects, in each case an angle which is the same as the angular dimension by which the locking surfaces are inclined with respect to the perpendicular on the panel top side (change angle). The inclination of the locking surfaces relative to the solder on the top of the panel may be in an angular range α of 4 ° to 50 °. Preferably, the angle α is in a range of 5 ° to 30 °, and more preferably in a range of 5 ° to 15 °.

Das Paneel ist bevorzugt aus einem Holzwerkstoff gestaltet, wie HDF, MDF oder OSB, wobei im weiteren Sinn auch WPC-Werkstoffe (wood plastic composite) darunter fallen. Da der Verriegelungsmechanismus eine gewisse Elastizität voraussetzt, insbesondere im Bereich des ersten und damit korrespondierenden zweiten Rastmittels, eignen sich die genannten Materialien wegen ihrer gewissen Elastizität. Alternativ kann das Paneelmaterial auch ein Kunststoff sein, wie beispielsweise im Falle von LVT-Produkten (luxury vinyl tiles), weil dieser Kunststoff ebenfalls eine gewisse Elastizität mitbringt.The panel is preferably made of a wood material, such as HDF, MDF or OSB, which in a broader sense also WPC materials (wood plastic composite) fall under it. Because of the locking mechanism presupposes a certain elasticity, in particular in the region of the first and thus corresponding second locking means, said materials are suitable because of their certain elasticity. Alternatively, the panel material may also be a plastic, as in the case of LVT (luxury vinyl tiles) products, for example, because this plastic also has some elasticity.

Das Teilstück des Nutgrunds der Arretiernut und das Teilstück der Oberseite des Aufnahmerands können im verriegelten Zustand parallel zueinander ausgerichtet sein.The portion of the groove bottom of the locking groove and the portion of the top of the receiving edge can be aligned parallel to each other in the locked state.

Die Aufnahmenut des einen Hakenprofils ist so beschaffen, dass der Arretierrand des komplementären Hakenprofils in die Aufnahmenut hineinpasst und die Arretiernut des komplementären Hakenprofils ist so beschaffen, dass der Aufnahmerand des einen Hakenprofils in die Arretiernut hineinpasst.The receiving groove of a hook profile is such that the locking edge of the complementary hook profile fits into the receiving groove and the locking groove of the complementary hook profile is such that the receiving edge of a hook profile fits into the locking groove.

Eine Weiterbildung sieht vor, dass das erste Rastmittel der unteren Verrastung einen Rastvorsprung aufweist, und dass zweite Rastmittel der unteren Verrastung eine dazu passende Rastvertiefung aufweist.A further development provides that the first latching means of the lower latching has a latching projection, and that the second latching means of the lower latching has a mating latching recess.

Alternativ kann das erste Rastmittel der unteren Verrastung eine Rastvertiefung und dass zweite Rastmittel der unteren Verrastung einen dazu passenden Rastvorsprung aufweisen.Alternatively, the first locking means of the lower latching a latching recess and that the second latching means of the lower latching have a mating latching projection.

Nützlich kann es außerdem sein, wenn eine obere Verrastung vorgesehen ist, die an einer Außenseite des Arretierrands ein erstes Rastmittel aufweist, und an einer zurückversetzten Nutflanke der Aufnahmenut ein dazu korrespondierendes zweites Rastmittel vorgesehen ist.It may also be useful if an upper latching is provided which has a first latching means on an outer side of the arresting edge, and a second latching means corresponding thereto is provided on a recessed groove flank of the receiving slot.

Zweckmäßig weist das erste Rastmittel der oberen Verrastung einen Rastvorsprung und dass zweite Rastmittel der oberen Verrastung eine dazu passende Rastvertiefung auf.The first latching means of the upper latching arrangement expediently has a latching projection and that second latching means of the upper latching mechanism has a matching latching recess.

Alternativ kann das erste Rastmittel der oberen Verrastung eine Rastvertiefung und dass zweite Rastmittel der oberen Verrastung einen dazu passenden Rastvorsprung aufweisen.Alternatively, the first locking means of the upper latching a locking recess and that the second locking means of the upper latching have a mating latching projection.

Ein weiterer Nutzen ergibt sich, wenn wenigstens ein Freiraum zwischen der Unterseite des Arretierrands und dem Nutgrund der Aufnahmenut vorgesehen ist. Der Freiraum kann Schmutzpartikel oder andere lose Partikel aufnehmen. Bei Paneelen aus Holzwerkstoffen können sich beispielsweise Partikel von der Paneelkante ablösen, die sich nicht zwischen Fügeflächen der Hakenprofile festsetzen sollen. Sie könnten andernfalls eine positionsrichtige Verriegelung der Hakenprofile behindern.A further benefit is obtained if at least one free space is provided between the underside of the arresting edge and the groove bottom of the receiving groove. The space can absorb dirt particles or other loose particles. For panels made of wood-based materials, for example, particles can detach from the panel edge, which should not settle between joining surfaces of the hook profiles. Otherwise they could hinder a positionally correct locking of the hook profiles.

Darüber hinaus ist es nützlich, wenn im verriegelten Zustand eine Lücke zwischen Außenseite des Aufnahmerands und Nutflanke der Arretiernut vorgesehen ist.Moreover, it is useful if in the locked state, a gap between the outside of the receiving edge and groove flank of the locking groove is provided.

Günstigerweise berührt eine Unterseite des Arretierrands im verriegelten Zustand zumindest bereichsweise den Nutgrund der Aufnahmenut. Wenn im Bereich des Arretierrands eine Last auf die Paneeloberseite drückt, kann der Arretierrand diese Last tragen, weil seine Unterseite auf dem Nutgrund der Aufnahmenut des Aufnahmehakens abgestützt ist.Conveniently, an underside of the Arretierrand in the locked state at least partially touches the groove bottom of the receiving groove. If a load presses on the panel top in the region of the arresting edge, the arresting edge can bear this load because its underside is supported on the groove bottom of the receiving groove of the receiving hook.

Die am Aufnahmerand vorgesehene Krümmung bietet einen Kantenschutz. Sie kann außerdem dazu dienen, den Arretierrand zu führen, wenn dieser mit der Krümmung in Berührung kommt. So wird der Arretierrand entlang der Krümmung hinabbewegt in die Aufnahmenut.The curvature provided on the receiving edge provides edge protection. It can also serve to guide the locking edge when it comes into contact with the curvature. Thus, the Arretierrand along the curvature is moved down into the receiving groove.

Nachfolgend ist die Erfindung in einer Zeichnung beispielhaft veranschaulicht und anhand mehrerer Ausführungsbeispiele detailliert beschrieben. Es zeigen:

Fig. 1
fold-down-Methode rechtsgängig
Fig. 2
fold-down-Methode linksgängig
Fig. 3
ein erstes Ausführungsbeispiel eines erfindungsgemäßen Paneels, wobei das Paneel zerteilt dargestellt ist, um dessen gegenüberliegende Hakenprofile im noch nicht verriegelten Zustand darzustellen,
Fig. 4
die Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
Fig. 4a
ein vergrößertes Detail gemäß Ausschnitt IVa in Fig. 4
Fig. 4b
eine Alternative für Fig. 4a
Fig. 5
ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
Fig. 5a
ein vergrößertes Detail gemäß Ausschnitt Va in Fig. 5
Fig. 5b
eine alternative für Fig. 5a
Fig. 6
ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
Fig. 7
ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
Fig. 8
ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
Fig. 8a
ein vergrößertes Detail gemäß Ausschnitt VIIIa in Fig. 8
Fig. 8b
eine alternative für Fig. 8a
Fig. 9
ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels gemäß Fig. 3 im verriegelten Zustand,
The invention is illustrated by way of example in a drawing and described in detail with reference to several embodiments. Show it:
Fig. 1
fold-down method right-handed
Fig. 2
Fold-down method left-handed
Fig. 3
a first embodiment of an inventive Panels, the panel being shown sectioned to depict its opposite hook profiles when not yet locked,
Fig. 4
the hook profiles of the panel according to Fig. 3 in the locked state,
Fig. 4a
an enlarged detail according to section IVa in Fig. 4
Fig. 4b
an alternative for Fig. 4a
Fig. 5
a further embodiment of hook profiles of the panel according to Fig. 3 in the locked state,
Fig. 5a
an enlarged detail according to section Va in Fig. 5
Fig. 5b
an alternative for Fig. 5a
Fig. 6
a further embodiment of hook profiles of the panel according to Fig. 3 in the locked state,
Fig. 7
a further embodiment of hook profiles of the panel according to Fig. 3 in the locked state,
Fig. 8
a further embodiment of hook profiles of the panel according to Fig. 3 in the locked state,
Fig. 8a
an enlarged detail according to section VIIIa in Fig. 8
Fig. 8b
an alternative for Fig. 8a
Fig. 9
a further embodiment of hook profiles of the panel according to Fig. 3 in the locked state,

Fig. 1 zeigt eine perspektivische fold-down-Methode zur Verriegelung von Paneelen gemäß dem Stand der Technik. Dabei wird ein neues Paneel 1 schräg angewinkelt mit einer Federprofilkante 2 voran an eine Nutprofilkante 3 eines liegenden Paneels 4 einer vorherigen Paneelreihe herangebracht. Anschließend wird das neue Paneel 1 in die Ebene der montierten Paneele herabgeschwenkt, wobei in derselben Paneelreihe bereits ein identisches Paneel 5 liegt. Durch die schwenkende Fügebewegung verriegeln Nut- und Federprofilkante miteinander. Das neue Paneel 1 hat außerdem ein Paar Hakenprofile, nämlich einen Aufnahmehaken (nicht dargestellt) sowie einen Arretierhaken 6. Während der herabschwenkenden Fügebewegung wird der Arretierhaken 6 des neuen Paneels 1 scherenartig in Richtung des komplementären Aufnahmehakens 7 des identischen Paneels 5 zu bewegt. Dabei verhakt der Arretierhaken 6 mit dem Aufnahmehaken 7 und gleichzeitig mit der Verriegelung von Nut- und Federprofilkante geht eine formschlüssige Verriegelung der Hakenprofile vonstatten. Fig. 1 shows a perspective fold-down method for locking panels according to the prior art. In this case, a new panel 1 is angled obliquely with a spring profile edge 2 advanced to a Nutprofilkante 3 of a lying panel 4 a previous row of panels. Subsequently, the new panel 1 is pivoted down into the plane of the assembled panels, wherein in the same row of panels an identical panel 5 already lies. Due to the pivoting joining movement, the tongue and groove edge lock together. The new panel 1 also has a pair of hook profiles, namely a receiving hook (not shown) and a locking hook 6. During the pivoting-down joining movement of the locking hook 6 of the new panel 1 is like scissors in the direction of the complementary receiving hook 7 of the identical panel 5 moves. In this case hooks the locking hook 6 with the receiving hook 7 and at the same time with the locking of tongue and groove profile edge is a positive locking of the hook profiles vonstatten.

Gemäß Fig. 1 ist der Aufbau einer Fußbodenfläche angedeutet. Bei diesem Beispiel wird ein neues Paneel stets fortlaufend nach links angelegt.According to Fig. 1 the structure of a floor surface is indicated. In this example, a new panel is always applied to the left continuously.

Fig. 2 zeigt ein zweites Beispiel für eine im Stand der Technik bekannte fold-down-Methode zur Verriegelung von Paneelen. Sie unterscheidet sich von der Methode der Fig. 1 nur dadurch, dass ein neues Paneel fortlaufend nach rechts angelegt werden muss, d.h. die Paneelkanten, die den Aufnahmehaken beziehungsweise den Arretierhaken aufweisen, sind gegenüber dem Beispiel von Fig. 1 vertauscht worden. Fig. 2 shows a second example of a known in the art fold-down method for locking panels. It is different from the method of Fig. 1 only in that a new panel must be applied continuously to the right, ie the panel edges, which have the receiving hook or the locking hook are compared to the example of Fig. 1 been swapped.

Nut- und Federprofile, die sich für eine formschlüssige Verriegeln mittels der fold-down-Methode eignen, sind im Stand der Technik hinlänglich bekannt, zum Beispiel aus der WO 97/ 47834 A1 oder aus WO 00/63510 .Tongue and groove profiles, which are suitable for a positive locking by means of the fold-down method, are well known in the art, for example from the WO 97/47834 A1 or off WO 00/63510 ,

Fig. 3 stellt ein erstes Ausführungsbeispiel eines erfindungsgemäßen Paneels 1 mit einer Paneeloberseite 1a und einer Paneelunterseite 1b dar, wobei vereinfacht nur ein Halteprofilpaar des Paneels dargestellt ist. Das hier gezeigte Halteprofilpaar weist komplementäre Hakenprofile auf, nämlich einen Arretierhaken 6 (oben) und einen Aufnahmehaken 7 (unten). Um die Funktionsweise zu erläutern kann man sich das Paneel 1 in zwei Teile durchtrennt vorstellten, so dass die beiden Hakenprofile (6 und 7) des Paneels miteinander verhakt werden können. Hakenprofile identischer Paneele werden selbstverständlich auf die gleiche Weise verriegelt. Fig. 3 illustrates a first embodiment of a panel 1 according to the invention with a panel top 1a and a panel bottom 1b, wherein simplified only one pair of retaining profile of the panel is shown. The one shown here Retaining profile pair has complementary hook profiles, namely a locking hook 6 (top) and a receiving hook 7 (bottom). To explain the operation you can imagine the panel 1 cut in two parts, so that the two hook profiles (6 and 7) of the panel can be hooked together. Hook profiles of identical panels are of course locked in the same way.

Der Aufnahmehaken 6 hat einen zur Paneeloberseite 1a gerichteten Aufnahmerand 8 und eine zur Paneeloberseite offene Aufnahmenut 9. Der Arretierhaken 7 ist mit einem zur Paneelunterseite 1b gerichteten Arretierrand 10 und mit einer zur Paneelunterseite 1b offenen Arretiernut 11 versehen.The receiving hook 6 has a receiving edge 8 directed towards the panel top 1a and a receiving groove 9 which is open towards the panel top. The locking hook 7 is provided with a locking edge 10 directed towards the panel bottom 1b and with a locking groove 11 which is open towards the panel bottom 1b.

Eine Innenseite des Aufnahmerands 8 ist der Aufnahmenut 9 zugewandt und diese Innenseite dient als untere Verriegelungsfläche 12. Dazu passend bildet der Arretierhaken 7 an einer der Arretiernut 11 zugewandten Innenseite seines Arretierrands 10 eine obere Verriegelungsfläche 13, welche mit der unteren Verriegelungsfläche 12 des Aufnahmerands 8 zusammenwirkt.An inner side of the receiving edge 8 is facing the receiving groove 9 and this inner side serves as a lower locking surface 12. Fittingly, the locking hook 7 forms an upper locking surface 13 on an inner side of its locking rim 10 facing the locking groove 11, which cooperates with the lower locking surface 12 of the receiving rim 8 ,

Es ist sowohl die untere Verriegelungsfläche 12 als auch die obere Verriegelungsfläche 13 jeweils gegenüber dem Lot L auf der Paneeloberseite um einen Winkel α geneigt. Die Neigungen sind aneinander angeglichen, so dass die korrespondierenden Verriegelungsflächen 12 und 13 im verriegelten Zustand parallel zueinander ausgerichtet sind und sich berühren können.It is both the lower locking surface 12 and the upper locking surface 13 each inclined relative to the Lot L on the panel top by an angle α. The inclinations are aligned with each other, so that the corresponding locking surfaces 12 and 13 are aligned in the locked state parallel to each other and can touch.

Hinzu kommt, dass die Neigung der unteren Verriegelungsfläche 12 so gewählt ist, dass der Normalvektor N12, der von der unteren Verriegelungsfläche 12 senkrecht nach außen gerichtet ist, die Paneeloberseite 1a schneidet. Entsprechend umgekehrt ist der Normalvektor N13 auf der oberen Verriegelungsfläche 13 senkrecht nach außen gerichtet, so dass dieser Normalvektor N13 die gegenüberliegende Paneelunterseite 1b schneidet. Allgemein gilt, dass die Paneeloberseite 1a und der Normalvektor N12 einen Winkel einschließen, der ebenso groß ist, wie der oben erwähnte Winkel α (Wechselwinkel). Das gleiche gilt für die Paneelunterseite, die mit dem Normalvektor N13 einen gleich großen Winkel (Wechselwinkel) einschließt.In addition, the inclination of the lower locking surface 12 is selected so that the normal vector N 12 , which is directed from the lower locking surface 12 perpendicular to the outside, the panel top 1a intersects. Conversely, the normal vector N 13 on the upper locking surface 13 is directed vertically outwards, so that this normal vector N 13, the opposite panel underside 1b cuts. General that the Paneeloberseite 1a and the normal vector N 12 enclose an angle which is as large as the above-mentioned angle α (changing angle). Applies, The same applies to the underside of the panel, which includes an equal angle (change angle) with the normal vector N 13 .

Mit einer Unterseite 10a des Arretierrands 10 sitzt der Arretierhaken 7 fest auf einem Nutgrund 9a der Aufnahmenut 9 des Aufnahmehakens 6. Wenn im Bereich des Arretierrands 10 eine Last auf die Paneeloberseite 1a drückt, kann der Arretierrand 10 diese Last tragen, weil seine Unterseite 10a auf dem Nutgrund 9a der Aufnahmenut 9 abgestützt ist.With a bottom 10a of the Arretierrands 10 of the locking hooks 7 sits firmly on a groove bottom 9a of the receiving groove 9 of the receiving hook 6. If a load on the panel top 1a presses in the region of the Arretierrand 10, the Arretierrand 10 can carry this load, because its bottom 10a on the groove bottom 9a of the receiving groove 9 is supported.

Eine weitere Funktion der Hakenprofile ist jene, einem Höhenversatz der verriegelten Paneelkanten entgegenzuwirken. Zu diesem Zweck ist eine untere Verrastung 14 vorgesehen. Diese umfasst am Aufnahmehaken 7 ein erstes Rastmittel in Form eines hervorstehenden Rastvorsprungs 15. Der Rastvorsprung 15 ist an einer Außenseite 8a des Aufnahmerands 8 angeordnet. Dazu korrespondierend ist am Arretierhaken 7 ein zweites Rastmittel in Form einer Rastvertiefung 16 vorgesehen. Die Rastvertiefung 16 ist an einer zurückversetzten Nutflanke 11a der Arretiernut 11 angeordnet.Another function of the hook profiles is to counteract a height offset of the locked panel edges. For this purpose, a lower catch 14 is provided. This comprises on the receiving hook 7, a first locking means in the form of a protruding latching projection 15. The latching projection 15 is arranged on an outer side 8a of the receiving edge 8. Correspondingly, a second latching means in the form of a latching recess 16 is provided on the locking hook 7. The detent recess 16 is arranged on a recessed groove flank 11 a of the locking groove 11.

Am Aufnahmehaken 6 hat ein Teilstück 8b der Oberseite des Aufnahmerands 8 eine Neigung abwärts, nämlich in Richtung der Außenseite 8a des Aufnahmerands fallend. Dazu passend ist am Arretierhaken 7 ein Teilstück 11b des Nutgrunds der Arretiernut 11 in komplementärer Weise angepasst an die Neigung des Teilstücks 8b der Oberseite des Aufnahmerands 8. Im verriegelten Zustand sind die geneigten Teilstücke 8b und 11b von Aufnahmerandoberseite und von Arretiernutgrund zueinander parallel ausgerichtet.On the receiving hook 6, a portion 8b of the top of the receiving edge 8 has a downward slope, namely falling in the direction of the outside 8a of the receiving edge. Matching is on the locking hook 7, a portion 11b of the groove bottom of the locking groove 11 in a complementary manner adapted to the inclination of the portion 8b of the top of the receiving edge 8. In the locked state, the inclined sections 8b and 11b of receiving edge top side and Arretiernutgrund are aligned parallel to each other.

Außerdem ist am Aufnahmehaken 6 ein Übergang von der Oberseite 8b des Aufnahmerands 8 zur unteren Verriegelungsfläche 12 vorgesehen. Der Übergang ist als Krümmung 17 ausgebildet. Die Krümmung 17 ist im vorliegenden Beispiel ein Radius. Ebenfalls ist am Arretierhaken 7 ein Übergang mit einer Krümmung 18 zwischen dem Teilstück 11b des Nutgrunds der Arretiernut 11 und der oberen Verriegelungsfläche 13 vorgesehen. Die Krümmung 17 am Aufnahmerand bietet einen Kantenschutz sowie eine Führungsfläche. Der Kantenschutz ist stärker als die schützende Wirkung eine Phase welche die gleichen Breite und Höhe aufweist, wie die Krümmung 17. Die Krümmung 18 bildet eine Kehle. Sie hat im vorliegenden Beispiel einen Radius und dient der Stabilität im Übergangsbereich von der oberen Verriegelungsfläche 13 zum Nutgrund der Arretiernut 11.In addition, on the receiving hook 6, a transition from the upper side 8b of the receiving edge 8 to the lower locking surface 12 provided. The transition is formed as a curvature 17. The curvature 17 is a radius in the present example. Also, a transition with a curvature 18 between the portion 11 b of the groove bottom of the locking groove 11 and the upper locking surface 13 is provided on the locking hook 7. The curvature 17 on the receiving edge provides an edge protection and a guide surface. The edge protector is stronger than the protective effect of a phase which has the same width and height as the curvature 17. The curvature 18 forms a throat. It has a radius in the present example and serves the stability in the transition region from the upper locking surface 13 to the groove bottom of the locking groove eleventh

Gemäß Fig. 4 sind die Hakenprofile aus Fig. 3 im verriegelten Zustand gezeigt. Der Rastvorsprung 15 des Aufnahmehakens 6, der an der Außenseite 8a des Aufnahmerands 8 angeordnet ist, greift formschlüssig in die Rastvertiefung 16, die an der zurückversetzten Nutflanke 11a der Arretiernut 11 angeordnet ist. Die untere Verrastung 14 wirkt einem Höhenversatz der beiden Paneeloberseiten 1a entgegen, d.h. einem Auseinanderbewegen der Paneelkanten senkrecht zur Paneeloberfläche wird entgegengewirkt. An der Paneeloberfläche 1a bildet sich auch in horizontaler Richtung eine geschlossene Fuge F. An dieser Fuge ist eine Außenseite 10b des Arretierrands 10 in Berührung mit einer zurückversetzten Nutflanke 9b der Aufnahmenut 9.According to Fig. 4 are the hook profiles made Fig. 3 shown in the locked state. The latching projection 15 of the receiving hook 6, which is arranged on the outer side 8a of the receiving edge 8, engages positively in the latching recess 16, which is arranged on the recessed groove flank 11a of the locking groove 11. The lower catch 14 counteracts a height offset of the two panel tops 1a, ie a movement apart of the panel edges perpendicular to the panel surface is counteracted. A closed joint F also forms in the horizontal direction on the panel surface 1a. An outer side 10b of the arresting edge 10 is in contact with a recessed groove flank 9b of the receiving groove 9 in this joint.

Zwischen dem geneigtem Teilstück 11b des Nutgrund der Arretiernut und dem geneigten Teilstück 8b der Oberseite des Aufnahmerands 8 ist ein Spalt 19 vorhanden. Dieser begünstigt es, an der Fuge F der Paneeloberseite 1a einen Höhenversatz zu vermeiden. Außerdem gewährt der Spalt 19 eine gewisse Nachgiebigkeit des Arretierhakens 7. Er hat eine Stelle mit seiner geringsten Dicke, die sich dort befindet, wo die Arretiernut 11 am tiefsten ist. Die hierdurch gewonnene Nachgiebigkeit kann genutzt werden, weil der Spalt 19 Platz schafft, in den hinein eine Verformung stattfinden kann.Between the inclined portion 11b of the groove bottom of the locking groove and the inclined portion 8b of the top of the receiving edge 8, a gap 19 is present. This favors it to avoid a height offset at the joint F of the panel top 1a. In addition, the gap 19 provides a certain compliance of the locking hook 7. It has a place with its smallest thickness, which is located where the locking groove 11 is the lowest. The thus gained Compliance can be used because the gap creates 19 space in which a deformation can take place.

Fig. 4a zeigt ein Detail, welches einen Ausschnitt vergrößert, der in Fig. 4 mit IVa vermerkt ist. In Fig. 4a ist der Rastvorsprung 15 am Aufnahmehaken 6 vorgesehen, nämlich an der Außenseite 8a des Aufnahmerands 8. Die Rastvertiefung ist am Arretierhaken 7 vorgesehen und dort an einer zurückversetzten Nutflanke 11a der Arretiernut 11. Fig. 4a shows a detail that enlarges a section that is in Fig. 4 with IVa is noted. In Fig. 4a the latching projection 15 is provided on the receiving hook 6, namely on the outer side 8a of the receiving edge 8. The latching recess is provided on the locking hook 7 and there on a recessed groove flank 11a of the locking groove eleventh

Bei einer Alternative, welche im Ausschnitt gemäß Fig. 4b gezeigt ist, sind die Positionen von Rastvertiefung und Rastvorsprung vertauscht. Hier ist eine Rastvertiefung 15a am Aufnahmehaken 6 angeordnet und zwar an der Außenseite 8a des Aufnahmerands 8. Ein Rastvorsprung 16a ist dann am Arretierhaken 7 vorgesehen, nämlich an dessen zurückversetzter Nutflanke 11a der Arretiernut 11 vorgesehen.In an alternative, which in the clipping according to Fig. 4b is shown, the positions of locking recess and locking projection are reversed. Here, a latching recess 15a is arranged on the receiving hook 6, specifically on the outer side 8a of the receiving edge 8. A latching projection 16a is then provided on the locking hook 7, namely provided on its recessed groove flank 11a of the locking groove 11.

Ein weiteres Ausführungsbeispiel für ein Paneel mit besonderen Hakenprofilen schlägt Fig. 5 vor. Dieses geht vom Ausführungsbeispiel der Figuren 3 und 4 aus. Von diesem unterscheidet es sich durch eine zusätzliche obere Verrastung 20. Die obere Verrastung 20 weist am Arretierhaken 7 ein erstes Rastmittel in Form eines Rastvorsprungs 21 auf, welches an der Außenseite 10b des Arretierrands 10 angeordnet ist. Es wirkt zusammen mit einem dazu korrespondierenden zweiten Rastmittel am Aufnahmehaken 6, das an der zurückversetzten Nutflanke 9b der Aufnahmenut 9 vorgesehen ist. Das zweite Rastmittel bildet eine Rastvertiefung 22, wie am besten in dem Ausschnitt gemäß Fig. 5a zu erkennen ist. Fig. 5a vergrößert das Detail, das in Fig. 5 mit Va bezeichnet ist.Another embodiment proposes a panel with special hook profiles Fig. 5 in front. This goes from the embodiment of FIGS. 3 and 4 out. From this it differs by an additional upper latching 20. The upper latch 20 has on the locking hook 7, a first locking means in the form of a latching projection 21, which is arranged on the outer side 10b of the Arretierrands 10. It acts together with a corresponding second locking means on the receiving hook 6, which is provided on the set-back groove flank 9b of the receiving groove 9. The second latching means forms a latching recess 22, as best in the cutout according to Fig. 5a can be seen. Fig. 5a magnifies the detail that is in Fig. 5 with Va is designated.

Bei einer Alternative, die im Ausschnitt gemäß Fig. 5b gezeigt ist, sind die Positionen von Rastvertiefung und Rastvorsprung vertauscht. Hier ist eine Rastvertiefung 21a am Arretierhaken, nämlich an der Außenseite des Arretierrands 10 angeordnet. Ein Rastvorsprung 22a ist am Aufnahmehaken vorgesehen und zwar an der zurückversetzten Nutflanke 9b der Aufnahmenut 9.In an alternative, in the clipping according to Fig. 5b is shown, the positions of locking recess and locking projection are reversed. Here is a latching recess 21a on the locking hook, namely on the outside of the Arretierrand 10 arranged. A latching projection 22a is provided on the receiving hook and indeed on the recessed groove flank 9b of the receiving groove. 9

Das Ausführungsbeispiel der Fig. 6 zeigt Hakenprofile, die ausgehend von den Figuren 3 und 4 eine Änderung aufweisen und zwar ist im gezeigten verriegelten Zustand der Hakenprofile ein Freiraum 23 gebildet, der sich zwischen dem Nutgrund 9a der Aufnahmenut 9 des Aufnahmehakens 6 und einer Unterseite 10a des Arretierrands 10 des Arretierhakens 7 erstreckt. Der Freiraum 23 reicht bis an die Außenseite 10b des Arretierrands 10 heran beziehungsweise bis an die zurückversetzte Nutflanke 9b der Aufnahmenut 9 heran. Der Freiraum 23 kann Schmutzpartikel oder andere lose Partikel aufnehmen. Bei Paneelen aus Holzwerkstoffen können sich beispielsweise Partikel von der Paneelkante ablösen. Abgelöste sollen nicht zwischen die Fügeflächen der Hakenprofile gelangen und sich dort festsetzen, weil sie andernfalls eine positionsrichtige Verriegelung der Hakenprofile behindern. Zwischen der Unterseite 10a des Arretierrands 10 und dem Nutgrund 9a der Aufnahmenut 9 ist der in Fig. 6 vorgeschlagene Freiraum 23 spaltförmig ausgebildet. Der spaltförmige Freiraum 23 wird zum Nutgrund 9a hin weiter und schafft auf diese Weise den gewünschten Platz zur Aufnahme unerwünschter Partikel.The embodiment of Fig. 6 shows hook profiles, starting from the FIGS. 3 and 4 In the illustrated locked state of the hook profiles, a free space 23 is formed which extends between the groove bottom 9a of the receiving groove 9 of the receiving hook 6 and a lower side 10a of the arresting edge 10 of the locking hook 7. The free space 23 extends to the outside 10b of the arresting edge 10 or up to the recessed groove flank 9b of the receiving groove 9 zoom. The clearance 23 may receive dirt particles or other loose particles. In the case of wood-based panels, for example, particles can detach from the edge of the panel. Detached should not get between the joining surfaces of the hook profiles and settle there, otherwise they hinder a correct position locking the hook profiles. Between the bottom 10 a of the Arretierrands 10 and the groove bottom 9 a of the receiving groove 9 is the in Fig. 6 proposed space 23 formed gap-shaped. The gap-shaped clearance 23 continues towards the bottom of the groove 9a and in this way creates the desired space for receiving unwanted particles.

Das Ausführungsbeispiel der Fig. 7 zeigt Hakenprofile, die ebenfalls ausgehend von den Figuren 3 und 4 eine Änderung aufweisen und zwar so, dass wiederum im verriegelten Zustand der Hakenprofile ein Freiraum 24 ausgebildet ist, der sich zwischen dem Nutgrund 9a der Aufnahmenut 9 des Aufnahmehakens 6 und einer Unterseite 10a des Arretierrands 10 des Arretierhakens 7 erstreckt. Der Freiraum 24 reicht bis an die untere Verriegelungsfläche 12 des Aufnahmehakens 6 beziehungsweise bis an die obere Verriegelungsfläche 13 des Arretierhakens 7 heran. Um den Freiraum 24 zu schaffen, ist die Unterseite 10a des Arretierrands 10 mit einem flachen Absatz 24a versehen, der von der Unterseite 10a des Arretierrands 10 zurücksteht. Der Freiraum 24 kann gleichfalls Schmutzpartikel oder andere lose Partikel aufnehmen und bei Paneelen aus Holzwerkstoffen etwaige abgelöste Holzpartikel aufnehmen, die sonst zwischen den Fügeflächen der Hakenprofile festsetzen und eine positionsrichtige Verriegelung der Hakenprofile behindern würden. Der verbleibende Bereich der Unterseite 10a ist im verriegelten Zustand mit dem Nutgrund 9a der Aufnahmenut 9 in Kontakt und dadurch abgestützt.The embodiment of Fig. 7 shows hook profiles, which also starting from the FIGS. 3 and 4 have a change in such a way that again in the locked state of the hook profiles a clearance 24 is formed, which extends between the groove bottom 9a of the receiving groove 9 of the receiving hook 6 and a bottom 10a of the Arretierrands 10 of the locking hook 7. The free space 24 extends as far as the lower locking surface 12 of the receiving hook 6 or up to the upper locking surface 13 of the locking hook 7 zoom. To create the clearance 24 is the underside 10a of the locking edge 10 is provided with a flat shoulder 24a, which protrudes from the bottom 10a of the locking edge 10. The space 24 can also absorb dirt particles or other loose particles and record in panels of wood materials any detached wood particles that would otherwise set between the joining surfaces of the hook profiles and would hinder a positionally correct locking the hook profiles. The remaining portion of the bottom 10a is in the locked state with the groove bottom 9a of the receiving groove 9 in contact and thereby supported.

Das Ausführungsbeispiel der Fig. 8 zeigt ebenfalls Hakenprofile, die von den Figuren 3 und 4 ausgehen. Gegenüber diesen Figuren ist nur die untere Verrastung 14 modifiziert worden. Gemäß Fig. 8 steht der Rastvorsprung 15 des Aufnahmehakens6 weiter von der Außenseite 8a des Aufnahmerands 8 hervor als in Fig. 4. Die Tiefe der Rastvertiefung 16 ist gegenüber Fig. 4 unverändert. Dadurch entsteht eine Lücke 25 zwischen der Außenseite 8a und der zurückversetzten Nutflanke 11a der Arretiernut 11 des Arretierhakens 7. Die Lücke 25 verbessert die Einrastbarkeit der unteren Verrastung 14.The embodiment of Fig. 8 also shows hook profiles, by the FIGS. 3 and 4 out. Compared to these figures, only the lower catch 14 has been modified. According to Fig. 8 the locking projection 15 of the receiving hook 6 protrudes further from the outer side 8a of the receiving edge 8 than in FIG Fig. 4 , The depth of the detent recess 16 is opposite Fig. 4 unchanged. This creates a gap 25 between the outside 8a and the set-back groove flank 11a of the locking groove 11 of the locking hook 7. The gap 25 improves the latchability of the lower catch 14th

In Fig. 8a ist die untere Verrastung 14 als Ausschnitt vergrößert. Eine Alternative zu Fig. 8a zeigt der Ausschnitt gemäß Fig. 8b. Danach ist die Position von Rastvertiefung und Rastvorsprung vertauscht. Eine Rastvertiefung 15a ist nun am Aufnahmehaken 6 und zwar an der Außenseite 8a des Aufnahmerands 8 angeordnet. Ein Rastvorsprung 16a ist dafür am Arretierhaken 7 an dessen zurückversetzter Nutflanke 11a der Arretiernut 11 vorgesehen.In Fig. 8a the lower catch 14 is enlarged as a section. An alternative to Fig. 8a shows the clipping according to Fig. 8b , Thereafter, the position of locking recess and locking projection is reversed. A detent recess 15a is now arranged on the receiving hook 6 and that on the outer side 8a of the receiving edge 8. A latching projection 16a is provided for this purpose on the locking hook 7 on its recessed groove flank 11a of the locking groove 11.

Ein weiteres Ausführungsbeispiel für Hakenprofile des Paneels ist in Fig. 9 dargestellt. Auch dieses basiert auf den Figuren 3 und 4 und integriert darüber hinaus alle Änderungen, die in den Beispielen von Fig. 5, Fig. 6, Fig. 7 und Fig. 8 vorgeschlagen wurden.Another embodiment of hook profiles of the panel is in Fig. 9 shown. This too is based on the FIGS. 3 and 4 and also integrates all the changes that are made in the examples of Fig. 5, Fig. 6 . FIGS. 7 and 8 were proposed.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
neues Paneelnew panel
1a1a
PaneeloberseitePaneeloberseite
1b1b
PaneelunterseitePaneelunterseite
22
FederprofilkanteSpring profile edge
33
NutprofilkanteNutprofilkante
44
liegendes Paneel vorherige Reihelying panel previous row
55
Paneel derselben PaneelreihePanel of the same row of panels
66
Aufnahmehakenreceiving hook
77
Arretierhakenlocking hook
88th
Aufnahmerandreceiving edge
8a8a
Außenseiteoutside
8b8b
Teilstück OberseiteSection top side
99
Aufnahmenutreceiving groove
9a9a
Nutgrundgroove base
9b9b
zurückversetzte Nutflankerecessed groove edge
1010
ArretierrandArretierrand
10a10a
Unterseitebottom
10b10b
Außenseiteoutside
1111
Arretiernutlocking groove
11a11a
zurückversetzte Nutflankerecessed groove edge
11b11b
Teilstück NutgrundSection groove base
1212
untere Verriegelungsflächelower locking surface
1313
obere Verriegelungsflächeupper locking surface
1414
untere Verrastunglower catch
1515
Rastvorsprungcatch projection
15a15a
Rastvertiefunglatching depression
1616
Rastvertiefunglatching depression
16a16a
Rastvorsprungcatch projection
1717
Krümmungcurvature
1818
Krümmungcurvature
1919
Spaltgap
2020
obere Verrastungupper lock
2121
Rastvorsprungcatch projection
21a21a
Rastvertiefunglatching depression
2222
Rastvertiefunglatching depression
22a22a
Rastvorsprungcatch projection
2323
Freiraumfree space
2424
Freiraumfree space
2525
Lückegap
αα
Winkelangle
FF
FugeGap

Claims (9)

  1. Panels (1, 4, 5) comprising a panel top side (1a) and a panel underside (1b) and comprising at least four panel margins which are situated opposite one another in pairwise fashion, having complementary holding profiles which are provided in pairwise fashion on the panel margins and which fit together such that identical panels are fastenable to one another, wherein at least one of the holding profile pairs is equipped with hook profiles, specifically with a receiving hook (6) on one panel margin and with an arresting hook (7) on the opposite panel margin, wherein the receiving hook (6) has a receiving edge (8) directed toward the panel top side (1a) and a receiving groove (9) open toward the panel top side, and the arresting hook (7) is equipped with an arresting edge (10) which is directed toward the panel underside (1b) and with an arresting groove (11) which is open toward the panel underside (1b), wherein the receiving edge (8) has an inner side which faces toward the receiving groove (9), and said inner side serves as lower locking surface (12), and in a manner adapted to this, the arresting edge (10) has an inner side which faces toward the arresting groove (11), and said inner side serves as corresponding upper locking surface (13), with the condition that both the lower locking surface (12) and the upper locking surface (13) are each inclined relative to the perpendicular (L) to the panel top side (1a) such that, in the locked state, said lower locking surface and upper locking surface are oriented parallel to one another and can make contact, wherein the inclination of the locking surfaces (12, 13) is selected such that the normal vector (N12) with respect to the lower locking surface (12) intersects the panel top side (1a) and the normal vector (N13) with respect to the upper locking surface (13) intersects the panel underside (1b), wherein a lower detent engagement point (14) is provided which comprises a first detent means (15, 15a) which is arranged on an outer side (8a) of the receiving edge (8), and the lower detent engagement point (14) comprises a second detent means (16, 16a) which corresponds to said first detent means and which is arranged on a recessed groove flank (11a) of the arresting groove (11), characterized in that at least a planar partial section (8b) of the top side of the receiving edge (8) runs downward in an inclined manner in the direction of the outer side (8a) of the receiving edge (8), wherein at least a planar partial section (11b) of the groove base of the arresting groove (11) is adapted in complementary fashion to the inclination of the partial section (8b) of the top side of the receiving edge (8), wherein, on the receiving hook (6), a transition is provided from the top side of the receiving edge (8) into the lower locking surface (12), wherein this transition is formed as a curvature (17), and wherein a transition is provided between the partial section (11b) of the groove base and the upper locking surface (13), wherein this transition is a curvature (18) which forms a hollow.
  2. Panel according to Claim 1, characterized in that the first detent means of the lower detent engagement point (14) has a detent projection (15), and in that the second detent means of the lower detent engagement point (14) has a detent depression (16) adapted to said detent projection.
  3. Panel according to Claim 1, characterized in that the first detent means of the lower detent engagement point (14) has a detent depression (15a), and in that the second detent means of the lower detent engagement point (14) has a detent projection (16a) adapted to said detent depression.
  4. Panel according to one of Claims 1 to 3, characterized in that an upper detent engagement point (20) is provided which has a first detent means (21, 21a) on an outer side (10b) of the arresting edge (10), and a second detent means (22, 22a) corresponding to said first detent means is provided on a recessed groove flank (9b) of the receiving groove (9).
  5. Panel according to Claim 4, characterized in that the first detent means of the upper detent engagement point (20) has a detent projection (21), and in that the second detent means of the upper detent engagement point (20) has a detent depression (21a) adapted to said detent projection.
  6. Panel according to Claim 4, characterized in that the first detent means of the upper detent engagement point (20) has a detent depression (21a), and in that the second detent means of the upper detent engagement point (20) has a detent projection (22a) adapted to said detent depression.
  7. Panel according to one of Claims 1 to 6, characterized in that at least one free space (23, 24) is provided between the underside (10a) of the arresting edge (10) and the groove base (9a) of the receiving groove (9).
  8. Panel according to one of Claims 1 to 7, characterized in that, in the locked state, a gap is provided between outer side (8a) of the receiving edge (8) and groove flank (11a) of the arresting groove (11).
  9. Panel according to one of Claims 1 to 8, characterized in that the underside (10a) of the arresting edge (10) makes contact at least in regions with the groove base (9a) of the receiving groove (9) in the locked state.
EP14196822.2A 2014-12-08 2014-12-08 Panel with a hook-like locking system Active EP3031998B1 (en)

Priority Applications (63)

Application Number Priority Date Filing Date Title
PL14196822T PL3031998T4 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
RS20171294A RS56653B1 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
SI201430524T SI3031998T1 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
NO14196822A NO3031998T3 (en) 2014-12-08 2014-12-08
PT141968222T PT3031998T (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
DK14196822.2T DK3031998T3 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
LTEP14196822.2T LT3031998T (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
ES14196822.2T ES2653662T3 (en) 2014-12-08 2014-12-08 Panel
HUE14196822A HUE037701T2 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
EP14196822.2A EP3031998B1 (en) 2014-12-08 2014-12-08 Panel with a hook-like locking system
EP18202881.1A EP3467233B1 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
EP24167945.5A EP4372181A3 (en) 2014-12-08 2015-12-07 Panel
EP20167421.5A EP3705659B1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
RS20200942A RS60778B1 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
HUE18202881A HUE050129T2 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
EP21206764.9A EP3981931B1 (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
CA3184360A CA3184360A1 (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
CN202010467251.6A CN111877677A (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
DK18202881.1T DK3467233T3 (en) 2014-12-08 2015-12-07 FLOOR PANEL WITH A MECHANICAL LOCK SYSTEM
ES20167421T ES2902444T3 (en) 2014-12-08 2015-12-07 Panel with a locking system in the form of hooks
PT158048538T PT3230534T (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
ATGM76/2020U AT17258U1 (en) 2014-12-08 2015-12-07 Panel
PL20167421T PL3705659T3 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
CN202010466692.4A CN111877676A (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
SI201531241T SI3230534T1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
KR1020177019115A KR102493452B1 (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
PL18202881T PL3467233T3 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
LTEP15804853.8T LT3230534T (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
SI201531305T SI3467233T1 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
US15/533,811 US10738477B2 (en) 2014-12-08 2015-12-07 Panel with a Hook-Form Locking System
UAA201707127A UA122566C2 (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
RU2017124001A RU2711586C2 (en) 2014-12-08 2015-12-07 Panel with hook-like fixation system
HRP20211998TT HRP20211998T1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
PCT/EP2015/078854 WO2016091819A1 (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
DK15804853.8T DK3230534T3 (en) 2014-12-08 2015-12-07 PANEL WITH CLOCK-SHARED LOCK SYSTEM
PL21206764.9T PL3981931T3 (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
CA2970056A CA2970056C (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
ES18202881T ES2811224T3 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
HUE15804853A HUE051009T2 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
PL15804853T PL3230534T4 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
PT182028811T PT3467233T (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
BR112017012129-8A BR112017012129B1 (en) 2014-12-08 2015-12-07 Panel with hook-shaped interlocking system
CN201580073627.2A CN108026728B (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
RU2019143438A RU2791709C2 (en) 2014-12-08 2015-12-07 Panel with hook type fixing system
AU2015359590A AU2015359590B2 (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
MYPI2017702122A MY183479A (en) 2014-12-08 2015-12-07 Panel with a hook-form locking system
DE202015009670.0U DE202015009670U1 (en) 2014-12-08 2015-12-07 paneling
ES15804853T ES2800165T3 (en) 2014-12-08 2015-12-07 Panel with a hook-shaped locking system
EP15804853.8A EP3230534B1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
RS20200708A RS60457B1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
LTEP18202881.1T LT3467233T (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
JP2017530615A JP6854761B2 (en) 2014-12-08 2015-12-07 Panel with hook-type locking system
CY20171101322T CY1119858T1 (en) 2014-12-08 2017-12-18 PANEL WITH AN ANCHOR LOCKING SYSTEM
HRP20171956TT HRP20171956T1 (en) 2014-12-08 2017-12-18 Panel with a hook-like locking system
HRP20200972TT HRP20200972T1 (en) 2014-12-08 2020-06-19 Panel with a hook-form locking system
CY20201100592T CY1123082T1 (en) 2014-12-08 2020-06-25 PLATE WITH HOOKS LATCHING SYSTEM
US16/940,546 US11319712B2 (en) 2014-12-08 2020-07-28 Panel with a hook-form locking system
CY20201100737T CY1123178T1 (en) 2014-12-08 2020-08-06 FLOOR PLATE WITH MECHANICAL LATCHING SYSTEM
HRP20201234TT HRP20201234T1 (en) 2014-12-08 2020-08-06 Floor panel with a mechanical locking system
JP2020215391A JP7063978B2 (en) 2014-12-08 2020-12-24 panel
AU2021201051A AU2021201051B2 (en) 2014-12-08 2021-02-18 Panel with a hook-form locking system
US17/720,424 US11913237B2 (en) 2014-12-08 2022-04-14 Panel with a hook-form locking system
US18/536,632 US20240110388A1 (en) 2014-12-08 2023-12-12 Panel with a Hook-Form Locking System

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EP15804853.8A Active EP3230534B1 (en) 2014-12-08 2015-12-07 Panel with a hook-like locking system
EP21206764.9A Active EP3981931B1 (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
EP18202881.1A Active EP3467233B1 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
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EP21206764.9A Active EP3981931B1 (en) 2014-12-08 2015-12-07 Panel with hook-shaped locking system
EP18202881.1A Active EP3467233B1 (en) 2014-12-08 2015-12-07 Floor panel with a mechanical locking system
EP24167945.5A Pending EP4372181A3 (en) 2014-12-08 2015-12-07 Panel

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EP (6) EP3031998B1 (en)
JP (2) JP6854761B2 (en)
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NO3031998T3 (en) 2018-02-24
AT17258U1 (en) 2021-10-15
ES2902444T3 (en) 2022-03-28
DE202015009670U1 (en) 2018-12-20
US20170328072A1 (en) 2017-11-16
PL3031998T3 (en) 2018-03-30
EP3705659A3 (en) 2020-09-16
HUE037701T2 (en) 2018-09-28
CN111877676A (en) 2020-11-03
AU2015359590B2 (en) 2020-12-17
CY1119858T1 (en) 2018-06-27
EP3705659A2 (en) 2020-09-09
PT3230534T (en) 2020-07-02
EP3230534B1 (en) 2020-04-22
EP3031998A1 (en) 2016-06-15
EP3467233B1 (en) 2020-06-17
CN111877677A (en) 2020-11-03
CA2970056C (en) 2023-03-07
PT3031998T (en) 2017-12-29
CN108026728A (en) 2018-05-11
US20240110388A1 (en) 2024-04-04
PL3467233T3 (en) 2020-12-14
AU2021201051B2 (en) 2022-06-16
EP4372181A3 (en) 2024-07-24
DK3230534T3 (en) 2020-06-29
EP3230534A1 (en) 2017-10-18
PL3705659T3 (en) 2022-04-19
SI3031998T1 (en) 2018-04-30
RU2019143438A (en) 2020-02-03
BR112017012129A2 (en) 2018-01-23
US11913237B2 (en) 2024-02-27
EP3467233A1 (en) 2019-04-10
BR112017012129B1 (en) 2022-03-15
LT3031998T (en) 2018-02-26
AU2015359590A1 (en) 2017-07-27
MY183479A (en) 2021-02-19
RU2017124001A (en) 2019-01-11
CN108026728B (en) 2020-04-24
UA122566C2 (en) 2020-12-10
LT3467233T (en) 2020-09-25
SI3467233T1 (en) 2020-10-30
HRP20211998T1 (en) 2022-04-01
PT3467233T (en) 2020-08-17
HRP20171956T1 (en) 2018-02-23
PL3230534T3 (en) 2020-11-16
JP2021050600A (en) 2021-04-01
EP3981931A1 (en) 2022-04-13
KR102493452B1 (en) 2023-01-31
RU2017124001A3 (en) 2019-07-17
CY1123178T1 (en) 2021-10-29
PL3031998T4 (en) 2022-01-24
RS56653B1 (en) 2018-03-30
RS60778B1 (en) 2020-10-30
SI3230534T1 (en) 2020-10-30
US11319712B2 (en) 2022-05-03
US20200354970A1 (en) 2020-11-12
ES2800165T3 (en) 2020-12-28
ES2811224T3 (en) 2021-03-11
JP2018507968A (en) 2018-03-22
KR20170102263A (en) 2017-09-08
CA2970056A1 (en) 2016-06-16
US20220316220A1 (en) 2022-10-06
ES2653662T3 (en) 2018-02-08
JP7063978B2 (en) 2022-05-09
AU2021201051A1 (en) 2021-03-11
EP3981931B1 (en) 2024-04-03
HRP20201234T1 (en) 2020-11-13
CA3184360A1 (en) 2016-06-16
HUE050129T2 (en) 2020-11-30
DK3031998T3 (en) 2018-01-08
PL3230534T4 (en) 2022-01-24
RU2711586C2 (en) 2020-01-17
EP4372181A2 (en) 2024-05-22
HRP20200972T1 (en) 2020-10-02
RS60457B1 (en) 2020-07-31
EP3705659B1 (en) 2021-11-24
DK3467233T3 (en) 2020-08-17
LT3230534T (en) 2020-08-10
PL3981931T3 (en) 2024-07-15
CY1123082T1 (en) 2021-10-29
HUE051009T2 (en) 2021-01-28
WO2016091819A1 (en) 2016-06-16
JP6854761B2 (en) 2021-04-14
US10738477B2 (en) 2020-08-11

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