EP2057327A1 - Panneau, notamment panneau de sol - Google Patents

Panneau, notamment panneau de sol

Info

Publication number
EP2057327A1
EP2057327A1 EP08801907A EP08801907A EP2057327A1 EP 2057327 A1 EP2057327 A1 EP 2057327A1 EP 08801907 A EP08801907 A EP 08801907A EP 08801907 A EP08801907 A EP 08801907A EP 2057327 A1 EP2057327 A1 EP 2057327A1
Authority
EP
European Patent Office
Prior art keywords
spring element
panel
panel according
core
locking portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08801907A
Other languages
German (de)
English (en)
Other versions
EP2057327B1 (fr
Inventor
Roger Braun
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.)
Flooring Technologies Ltd
Original Assignee
Flooring Technologies Ltd
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 Flooring Technologies Ltd filed Critical Flooring Technologies Ltd
Priority to PL08801907T priority Critical patent/PL2057327T3/pl
Publication of EP2057327A1 publication Critical patent/EP2057327A1/fr
Application granted granted Critical
Publication of EP2057327B1 publication Critical patent/EP2057327B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/006—Arrangements for removing of previously fixed floor coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—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
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/16—Two dimensionally sectional layer
    • Y10T428/163—Next to unitary web or sheet of equal or greater extent
    • Y10T428/164—Continuous two dimensionally sectional layer
    • Y10T428/167—Cellulosic sections [e.g., parquet floor, etc.]

Definitions

  • the invention relates to a panel, in particular floor panel, with a core of wood material or wood material-plastic mixture, an upper side and a lower side, wherein the panel has at least two opposite side edges such a profiling corresponding to each other that two identically formed panels by a substantially vertical joining movement in the horizontal and vertical directions are connectable and lockable, the locking in the horizontal direction by a hook connection with a hook member having upper locking portion and a hook member having lower locking portion is effected, the locking in the vertical direction by at least one in horizontal Direction movable spring element is effected and the at least one spring element snaps in the joining movement behind a substantially horizontally extending locking edge.
  • a panel with a lock in the vertical direction is known, for example, from EP 1 650 375 A1.
  • This realized in this panel type of locking is preferably provided on the transverse side of floor panels. But it can also be provided on the longitudinal side or both on the longitudinal side and on the transverse side.
  • the spring element is made of plastic and is inserted into a horizontally extending groove on one of the side edges and beveled on its upper side. Similar to a door snapper is going through the slope presses the spring element inward from the panel to be newly inserted into the groove when this occurs with its underside on the bevel and is lowered further.
  • the spring element When the panel to be newly created is lowered completely onto the subfloor, the spring element snaps into a groove introduced horizontally in the opposite side edge and locks the two panels in the vertical direction.
  • special injection molding tools are necessary, so that the production is relatively expensive.
  • a high quality plastic must be used to provide sufficient strength values, which further increases the cost of the spring element. If plastics with too low strength values are used, this leads to relatively large dimensions of the spring elements, since this is the only way to ensure that corresponding forces can be generated or transmitted.
  • the locking element is designed as a separate component, resulting in additional expenses.
  • the production of the locking element is technologically conditioned spatially separated from the panels, so that an integration in the continuous manufacturing process, especially for floor panels, rather not possible. Due to the different materials, wood-based material on the one hand and plastic on the other hand, the alignment of manufacturing tolerances from two separate manufacturing processes is complex and cost-intensive. Since the lock would be ineffective in the vertical direction in the absence of locking element, this must also be secured against falling out of the introduced into the side edge groove in the further manufacturing process and during transport. This backup is expensive. Alternatively, the locking element could be made available to the consumer separately.
  • the floor panels in question are moved by do-it-yourselfers, so that in principle the possibility exists due to lack of experience that the required number of locking elements wrong first and that these are not procured in sufficient quantity to be able to design a room completely.
  • the handyman commits errors when inserting the spring element, which means that the locking is not exactly possible and the composite dissolves over time, which is then wrongly attributed by the consumer to the quality supplied by the manufacturer.
  • a panel which is profiled on opposite side edges so that hook-shaped connecting elements form for locking in the horizontal direction.
  • hook-shaped connecting elements For locking in the vertical direction are provided on the connecting elements from each other horizontally and vertically spaced form-fitting elements and corresponding undercuts each having a horizontally aligned locking surface.
  • the transverse extent of such horizontally aligned locking surfaces is about 0.05 to 1, 0 mm. So that the joining of two panels remains possible at all, the dimensioning must be so small. As a result, however, inevitably arises that only small, vertically directed forces can be absorbed, so that must be made with extremely low tolerances to ensure that does not jump on light bumps and / or soft surfaces, the compound under normal load.
  • a panel in which the locking in the vertical direction is effected by a spring element movable in the horizontal direction.
  • the spring element snaps in a joining movement behind a substantially horizontally extending locking edge.
  • the spring element is formed by a horizontal and vertical section of the core and connected at at least one of its two ends to the core. The horizontal and vertical section allow the spring movement of the spring element required for producing the locking.
  • this locking is not suitable for thinner panels with a plate thickness of about 4 mm to 8 mm.
  • a generic panel is characterized in that the at least one spring element (6) is integrally formed from the core (3), and that at least one spring element is formed on the lower locking portion.
  • this design greatly simplifies production. The adjustment of the tolerances of different components is eliminated. Manufacturing times and costs are reduced because it is not necessary to bring different components together and hold them together. The end user also ensures that no components are missing and can not be further processed.
  • Another advantage is that eliminates the laying of the spring element to the lower locking portion of the horizontal slot for the release of the spring element from the core. This allows the movable
  • Plate thicknesses of about 4 mm to 8 mm.
  • the at least one spring element is preferably free relative to the core in the direction of the opposite side edge and connected to the core in the direction of its side edge at at least one of its ends, in particular at its two ends. Due to the size of the effective Connection of the spring element with the core, the spring elasticity can be adjusted.
  • the exposure of the spring element relative to the core is preferably carried out by means of a substantially vertical slot.
  • a substantially vertical slot Through the width of the slot, both the strength of the connection of the spring element to the core material can be determined as well as a stop in the horizontal direction can be created for the spring element, so that it is safely protected against overstretching.
  • the substantially vertical slot is formed at least partially through the lower locking section.
  • the slot does not have to be formed over the entire length as a passage, but in particular can be formed in transition areas at its ends as a gap.
  • the gap in the transition region is suitably open towards the underside of the panel and closed towards the top of the panel. This allows a simple and cost-effective production, because the panel can be moved at a constant speed via a milling tool and only the penetration depth of the milling tool must be changed in the panel.
  • a transition region may be formed at one or both ends of the spring element.
  • the gap may have a varying depth, for example a uniformly increasing depth.
  • the substantially vertical slot is formed in the region of the hook element of the lower locking portion.
  • the locking section expediently has a maximum vertical extent, so that the spring element can be formed in this area with a correspondingly large vertical extent.
  • the vertical extent of the spring element increases, its rigidity also increases. If over the length of the side edge a plurality of spaced-apart spring elements is provided, the stability of the connection is increased because the free spring travel in the longitudinal direction of the spring element is limited.
  • the distance between the individual spring elements can be chosen more or less large. Of course, the smaller the distance, the larger, of course, is the effective area with which it is locked, so that the transmissible forces in the vertical direction are correspondingly high.
  • the joining movement is facilitated because the spring element springs with increasing movement deeper in the direction of the panel core.
  • the risk is reduced to damage the spring element during the joining movement.
  • the hook element on the upper locking portion is preferably formed by a directed towards the underside of the panel paragraph.
  • the hook element on the lower locking portion is preferably formed by a directed towards the top of the panel paragraph.
  • the inventive design of the spring element is particularly suitable for thin panels.
  • Thin panels are understood to mean those with a panel thickness of about 4 mm to about 8 mm.
  • a plate thickness of about 7 mm or about 8 mm is selected.
  • Figure 1 is a plan view of two interconnected
  • Figure 1 shows two panels 1, 2.
  • the upper portion of Figure 1 shows a section along the line A-A in the lower portion of Figure 1.
  • the panels 1, 2 are identical. They consist of a core 3 of wood-based material or a wood-plastic mixture. At their opposite side edges I, Il the panels 1, 2 are profiled, wherein the side edge I was processed by the bottom 4 and the side edge Il from the top 5 milled.
  • three spring elements 6 are formed on the side edge 2, three spring elements 6 are formed.
  • the spring elements 6 are identical, so that one of the spring elements 6 is described below by way of example. However, it is not necessary that the spring elements 6 are identical.
  • the spring element 6 was produced by free milling of the core 3 by milling in a substantially vertically extending slot 7 with ends 7a, 7b.
  • the side edges I, Il have the length L. In the longitudinal direction of the side edge Il, the spring element 6 is connected at its ends 6a, 6b with the core material. The exposure of the spring element 6 from the core 3 takes place exclusively through the slot 7.
  • the outer edge 6 c of the spring element 6 is opposite to the Top 5 of the panel 2 at an angle ⁇ inclined.
  • the vertical surfaces of the side edges I, II are machined so that 5 contact surfaces 8, 9 form in the region of the top.
  • the panel 1 is provided with a groove 10 extending substantially in the horizontal direction H.
  • the groove 10 extends over the entire length L of the side edge I. However, it would be sufficient to provide sufficiently long grooves 10 only in sections corresponding to the spring elements 6 along the side edge I.
  • the upper groove cheek 11 of the groove 10 forms a substantially horizontal locking edge. From the figures it can be seen that the groove bottom 12 of the groove 10 is substantially parallel to the outer edge 6 c of the spring element 6, which facilitates the production of the groove 10. But it could also be performed in the vertical direction or with a different angle ⁇ angle.
  • the hook member 13 is part of an upper locking portion 15.
  • the hook member 14 is part of a lower locking portion sixteenth
  • the hook element 13 has a step-shaped step 17 extending in the direction of the underside and having two steps 18a, 18b.
  • the hook element 14 has a step-shaped step 19, which extends in the direction of the top, and has two steps 20a, 20b.
  • the step 18a has a substantially planar horizontal support surface 21 which cooperates with a substantially planar horizontal support surface 22 of the step 20a of the hook element 14.
  • the support surfaces 21, 22 form a substantially horizontal plane E ( Figure 5), so that the interconnected panels 1, 2 are supported on each other.
  • the profiling of the hook elements 13, 14 is selected so that a bias voltage is generated in the joint and the vertical contact surfaces 8, 9 of the panels 1, 2 are pressed together so that no visible gap is formed on the top 5.
  • the stepped shoulder 13 of the upper locking portion 15 and the stepped shoulder 14 of the upper locking portion 16 are chamfered or rounded at their edges.
  • transition regions 23 can be seen. Each two transition regions 23 are arranged at the ends 7a, 7b of a slot 7 and formed with respect to the line A-A substantially mirror-symmetrical. In the present example, the transition regions 23 are formed as gaps with substantially uniformly decreasing depths (in FIGS.
  • a transition region 23 has the greatest depth at the end, which faces the slot 7 and the lowest depth at the end, which is guided in the underside of the panel 2.
  • FIG. 2 shows a projection 24 of the panel 1.
  • the projection 24 is directed substantially horizontally in the direction of the panel 2.
  • the projection 24 has a sectionally planar edge 25 which extends in a lower portion with an angle ß to the top 5, in a central portion substantially perpendicular and in an upper portion 26 is substantially horizontal.
  • the upper portion 26 forms a groove cheek of the groove 10.
  • the projection 24 has in plan view bevelled edges 26a (Figure 1) in order to reduce the risk of damage during locking of the panels 1, 2.
  • the spring element 6 is displaced horizontally in the direction of the slot 7 by the abutment with the projection 24. During this displacement, a voltage builds up in the spring element 6 due to the connection with the core 3 at the ends.
  • the slot width decreases. This tension leaves the spring element in 5 catch the last section of the joining movement ( Figure 5) in the groove 10, that is, the spring element 6 is moved horizontally in the direction of the groove 10. The horizontal displacement takes place as springback in a corresponding position under the action of an internal tension.
  • the slot width increases again.
  • the groove 10 is dimensioned so that the spring element 6 can assume its original position.
  • the groove 10 is milled somewhat deeper into the core 3 as it would be required to accommodate the spring element 6. This facilitates the laying of the panels 1, 2.
  • the slot 7 has a height of about 60% of the plate thickness. This makes it possible to use the inventive locking in the vertical direction, even with thin panels with plate thicknesses of about 4 mm to about 8 mm. However, the inventive locking in the vertical direction can be used advantageously even with thicker panels, for example, with plate thicknesses of about 12 mm.
  • FIG. 5 shows that, in the case of the laid panels 1, 2, free spaces 27a, 27b, 27c, 27d are provided in the region of the side edges I, II.
  • the free spaces 27a, 27b, 27c, 27d provide the freedom of movement required for laying and catch any manufacturing tolerances that occur.
  • the release of the spring element 6 through the vertical slot is made possible by a transversely displaceable tool to the machine direction.
  • the processing is preferably carried out in continuous operation, so that at the beginning and at the end of the slot 7 each result in a transition region 23.
  • a milling, laser or water jet tool or even standing blades or broaches can be used.
  • only a sliding tool is necessary.
  • the non-exposed area, which integrally connects the spring element 6 to the core 3 is reduced.
  • different degrees of locking forces can be set.
  • the lock is on the embodiment solvable by the panels 1, 2 are shifted relative to each other along the side edges I, Il or by a not shown unlocking pin is inserted laterally into the joint.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Floor Finish (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

L'invention concerne un panneau, notamment un panneau de sol, comportant une âme (3) en matériau à base de bois ou en mélange de matière plastique et de matériau à base de bois, un côté supérieur (5) et un côté inférieur (4). Ce panneau (1, 2) présente, sur au moins deux arêtes latérales (I, II) se faisant face, un profilage correspondant tel que deux panneaux conçus de façon identique (1, 2) peuvent être assemblés et fixés l'un à l'autre horizontalement (H) et verticalement (V) par un mouvement d'assemblage essentiellement vertical. Horizontalement (H), la fixation peut être réalisée par accrochage entre une structure de fixation supérieure (15) pourvue d'un élément en crochet (13) et une structure de fixation inférieure (16) pourvue d'un élément en crochet (15). Verticalement (V), la fixation peut être réalisée au moyen d'au moins un élément ressort (6) horizontalement mobile (H) qui, sous l'effet du mouvement d'assemblage, vient s'encastrer derrière une arête de fixation (4) se présentant sensiblement à l'horizontale (H). Utilisant un élément ressort (6) réalisé d'un seul tenant dans la structure de fixation inférieure (16), à l'extérieur de l'âme (3), l'invention permet la réalisation d'un panneau de faible épaisseur, et dont l'assemblage est très solide.
EP08801907.0A 2007-09-10 2008-09-08 Panneau, notamment panneau de sol Active EP2057327B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08801907T PL2057327T3 (pl) 2007-09-10 2008-09-08 Panel, zwłaszcza panel podłogowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007042840A DE102007042840B4 (de) 2007-09-10 2007-09-10 Paneel, insbesondere Bodenpaneel
PCT/EP2008/007328 WO2009033623A1 (fr) 2007-09-10 2008-09-08 Panneau, notamment panneau de sol

Publications (2)

Publication Number Publication Date
EP2057327A1 true EP2057327A1 (fr) 2009-05-13
EP2057327B1 EP2057327B1 (fr) 2015-02-11

Family

ID=39876687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801907.0A Active EP2057327B1 (fr) 2007-09-10 2008-09-08 Panneau, notamment panneau de sol

Country Status (17)

Country Link
US (2) US8099924B2 (fr)
EP (1) EP2057327B1 (fr)
JP (1) JP5538899B2 (fr)
KR (1) KR101174188B1 (fr)
CN (1) CN101558210B (fr)
AU (1) AU2008297989B2 (fr)
BR (1) BRPI0805812B1 (fr)
CA (2) CA2665031C (fr)
DE (1) DE102007042840B4 (fr)
ES (1) ES2533907T3 (fr)
MX (1) MX2009003980A (fr)
PL (1) PL2057327T3 (fr)
PT (1) PT2057327E (fr)
RU (1) RU2446259C2 (fr)
UA (1) UA95307C2 (fr)
WO (1) WO2009033623A1 (fr)
ZA (1) ZA200902304B (fr)

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EA035583B1 (ru) 2015-12-17 2020-07-10 Велинге Инновейшн Аб Способ изготовления механической замковой системы для панелей
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ES2533907T3 (es) 2015-04-15
DE102007042840A1 (de) 2009-03-12
RU2446259C2 (ru) 2012-03-27
UA95307C2 (uk) 2011-07-25
US8191333B2 (en) 2012-06-05
KR20090106497A (ko) 2009-10-09
KR101174188B1 (ko) 2012-08-14
US8099924B2 (en) 2012-01-24
EP2057327B1 (fr) 2015-02-11
PT2057327E (pt) 2015-05-18
CN101558210A (zh) 2009-10-14
US20100037550A1 (en) 2010-02-18
US20120067461A1 (en) 2012-03-22
BRPI0805812A2 (pt) 2011-08-30
DE102007042840B4 (de) 2010-04-22
ZA200902304B (en) 2010-07-28
MX2009003980A (es) 2009-06-24
AU2008297989B2 (en) 2010-08-12
CN101558210B (zh) 2012-11-28
JP5538899B2 (ja) 2014-07-02
CA2766017C (fr) 2013-11-26
WO2009033623A1 (fr) 2009-03-19
CA2665031C (fr) 2012-04-17
JP2010514964A (ja) 2010-05-06
PL2057327T3 (pl) 2015-07-31
CA2665031A1 (fr) 2009-03-19
CA2766017A1 (fr) 2009-03-19
BRPI0805812B1 (pt) 2018-05-22
AU2008297989A1 (en) 2009-03-19
RU2009112732A (ru) 2011-10-20

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