US20020178681A1 - Panel for floor coverings and relative floor covering consisting of floor panels - Google Patents

Panel for floor coverings and relative floor covering consisting of floor panels Download PDF

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Publication number
US20020178681A1
US20020178681A1 US10/047,661 US4766101A US2002178681A1 US 20020178681 A1 US20020178681 A1 US 20020178681A1 US 4766101 A US4766101 A US 4766101A US 2002178681 A1 US2002178681 A1 US 2002178681A1
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United States
Prior art keywords
panel
plane
wall
panels
male
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Abandoned
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US10/047,661
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English (en)
Inventor
Lucio Zancai
Giovanni Fantoni
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Patt Srl
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Patt Srl
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Assigned to PATT SRL reassignment PATT SRL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FANTONI, GIOVANNI, ZANCAI, LUCIO
Publication of US20020178681A1 publication Critical patent/US20020178681A1/en
Abandoned legal-status Critical Current

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    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention refers to a floor covering formed by panels constituted by boards of cellulose fibers or wood shavings bound with synthetic resins, generally known in the art as MDF (Medium Density Fiberboards), HDF (High Density Fiberboards) and faced chipboards.
  • MDF Medium Density Fiberboards
  • HDF High Density Fiberboards
  • edges of the panels are profiled so as to bring about tongue-and-groove joints between contiguous panels.
  • additional measures are quite often taken such as glueing the edges or using metal or plastic interconnecting profiles.
  • edges of the panels have profiles that are so shaped as to feature snap-fit joining elements, in such a manner as to do away with the need for additional components or materials to be used for strengthening the joints.
  • This solution which is described in WO 94/1628, WO 96/27719 and WO 96/27721, is however not effective in ensuring an adequate and firm stability along all sides of the panels.
  • WO 96/27719 provides a coupling of the long sides of two contiguous panels achieved by two pairs of mating teeth with plane surfaces, parallel and orthogonal to each other.
  • a first panel has a first front tooth, with plane and parallel surfaces, suitable to be inserted through rotation and sliding into a recess with plane and parallel surfaces made inside the second panel; in a terminal position and on the lower face, the second panel has a compartment comprising a tooth facing towards the base which is inserted in an inner recess made on the extension of the base of the first panel and in an intermediate position of a ridge cooperating with the compartment.
  • This type of coupling causes a rigid constraint, forced and without play between the panels, which are not therefore able to slide longitudinally and freely with respect to each other once they have been assembled. Moreover, the coupling is not able to compensate production tolerances and/or deformations of the material with the passing of time, and is not able to allow reciprocal lateral movements of adjustment. Furthermore, to achieve such a coupling it is necessary to provide at least three different types of material, with obvious problems of reciprocal attachment and different shrinkage.
  • Document EP-A-698162 provides a coupling through rotation and sliding similar to that described in WO'719, but without the tooth and mating inner recess. In this case too, at least two different types of material are necessary, with problems of reciprocal anchorage and problems of different shrinkage.
  • the section of the panel in the coupling zones does not have any undercut or bevel which can facilitate the insertion through rotation.
  • EP' 162 provides an auxiliary element of metal reinforcement to support the floor covering, but this creates problems in the processing, problems of costs, of coupling of the materials and of laying.
  • a solution has been proposed (WO 97/47834) in which the edges of the panels are provided with mutually engaging elements in the form of tongues and grooves, which are provided with mechanical locking means adapted to prevent the edges from possibly separating from each other.
  • These locking means are provided integrally with the related panel and the coupling is brought about laterally along the edges by just snap-fitting and/or rotating them into fastening.
  • the locking means are represented by inclined-plane profiles that are forced elastically into coupling. The preferred inclination of the coupling surfaces is indicated to lie anywhere between 30° and 70° with respect to the horizontal plane.
  • Another purpose of the invention is to reduce the width of the projecting coupling parts, reducing the risks of unwanted deflection and breakage, and also the amplitude of fragile zones subject to deformation when there are localized loads.
  • the attachment means are embodied in a partly elastic front element which temporarily bends during the insertion and rotation of two adjacent panels, thus facilitating the laying operations, the coupling of the panels and, also, possible later operations to disassemble them.
  • this solution allows to keep free spaces between the coupling surfaces, in order to allow two adjacent panels to slide freely in longitudinal manner, and also to make lateral movements of adjustment to recover play, tolerances and deformations of the material.
  • each panel has first male attachment means and mating first female attachment means, which comprise projecting portions with a width substantially equal to the thickness of the panel.
  • the first male attachment means have a tooth protruding towards the outside and lying on a substantially horizontal plane, and the first female attachment means have a substantially horizontal mating recess; the height and width of the protruding tooth are substantially equal, that is, about 1 ⁇ 4 of the thickness of the panel.
  • the first male attachment means and/or the first female attachment means have bevels and/or undercuts on the vertical plane which facilitate the insertion through rotation of two adjacent panels during the coupling phase, allowing to further reduce the width of the projecting portions.
  • the floor covering according to the present invention therefore allows for materials without any particular solidity characteristics to be used in manufacturing said panels, as well as for the use of any kind of tools whatsoever to be done away when assembling and disassembling the same floor covering. From a functional point of view, it is then important to notice that the panels are provided with an appropriately profiled edge, so that any breaking or rupture that might possibly occur in use, would develop at the base thereof, and along a vertical section, so as to avoid any projection or prominence of the edge with respect to the plane of the floor, and the related loss of planarity.
  • the floor covering according to the invention has the corresponding longitudinal edges of two contiguous panels which are associated with each other by overlapping and engage each other without any interference along at least a vertical plane, so as to bring about a self-levelling and self-stabilizing connection under load, with the possibility for the edges to longitudinally slide relative to each other, and with the effect of a slight reciprocal elastic attraction, during the coupling phase, between one panel and the other.
  • the self-levelling and self-stabilizing effect is obtained thanks to the geometric constraint created between the respective first male-female attachment means and thanks to the planarity of the surfaces of reciprocal coupling, which are parallel to each other and parallel to the surface on which the floor covering rests.
  • the floor covering according to the invention has second male coupling means on one side and second female coupling means on the opposite side, able to be taken into a position of reciprocal constraint by means of a movement of scissor-like rotation of the new panel with respect to the one already in position.
  • Said coupling means of the butt sides have at least a partly elastic element which can partly bend during the assembly of two adjacent panels, and is released when coupling is complete; in the coupling zones between the butt sides free spaces are formed between reciprocally cooperating surfaces.
  • At least some of the second male and female coupling means of the butt sides are defined by rounded cam-type profiles reciprocally mating and coupling in forced manner, thus achieving an interference on the vertical plane which, when the panels are in the coplaner position, prevents movements of reciprocal lifting of two coupled panels.
  • FIG. 1 is an interrupted cross-sectional view of a panel according to the present invention
  • FIG. 2 is a partial cross-sectional view of the longitudinal edges of two panels in the phase in which the respective side profiles engage each other;
  • FIG. 3 is a partial cross-sectional view of the longitudinal edges of the two panels of FIG. 2 in their fully engaged condition
  • FIGS. 4 to 6 are partial cross-sectional views of the longitudinal edges of the two panels of FIG. 3 under different load conditions
  • FIG. 7 is an interrupted longitudinal sectional view of the panel of FIG. 1;
  • FIG. 8 is a partial cross-sectional view of the butt sides of two contiguous panels with their respective profiles fully engaging each other;
  • FIG. 9 is a partial perspective view of a floor covering in the phase in which the butt profiles of the panels are assembled.
  • the present invention refers to a floor covering formed by panels of such a material as MDF, HDF or faced-chipboard, ie. manufactured out of board made of fibers or wooden chips impregnated with synthetic resins and faced on their surfaces with either natural or synthetic materials.
  • These panels may have different shapes and dimensions, but they are usually rectangular and are joined with each other along all of their perimetral edges.
  • a panel 10 (FIG. 1) has an upper plane 48 and a lower plane 49 defining a thickness “l” and a median axis “x”, and has, on two opposite sides thereof, a section with conjugate profiles, respectively male section “C” and female section “D”, so that two contiguous panels will then be able to join with each other along engagement surfaces that are orthogonal with respect to each other.
  • the cross-sectional profile of the panel 10 can be noticed to include a projecting portion 11 which has a reduced height with respect to the overall height of the panel and extends horizontally along the same plane as the upper plane of the panel.
  • This portion 11 further extends downwards with a vertical wall 112 , thereby forming a laterally protruding rib or tooth 12 which, in a preferred manner, is interrupted at one or more points, ie. along one or more tracts, along its overall extension.
  • the tooth 12 which has a length 40 equal to about 1 ⁇ 4 of the thickness “l” of the panel 10 , has a plane upper surface parallel to the upper plane 48 of the panel 10 .
  • the portion 11 has on its lower side a plane horizontal surface 13 and, extending towards the inside of the panel 10 , a substantially vertical recess 14 , defined by a vertical wall 314 and by a bottom 414 which is also plane and substantially horizontal, parallel to the upper plane 48 of the panel.
  • the height 52 of the plane 13 with respect to the lower plane 49 of the panel 10 is equal to about 1 ⁇ 3 of the thickness “l” of the panel 10 , and this conditions to said value the thickness of he resistant projecting section of the female section “D”, as will be described in detail hereafter.
  • the tooth 12 and the plane 13 are connected by means of a bevel 113 directed rearwards and defining an angle “ ⁇ ” with respect to the vertical.
  • said angle “ ⁇ ” is between about 20° and about 30°.
  • the tooth 12 has a height 50 substantially equal to its width 40 and therefore it too is equal to about 1 ⁇ 4 of the thickness “l” of the panel 10 .
  • the bevel 113 is located astride the median axis “X” of the panel 10 and is substantially symmetrical with respect thereto; the bevel 113 encourages the reduction in the width 41 of the projecting portion 11 , and consequently of the mating projecting portion 16 of the female section “D”, since it allows, during the insertion phase through rotation, to bring into greater reciprocal proximity the two panels 10 which are to be coupled.
  • the plane 13 extends, in the solution shown here, in a bevel 15 facing upwards and defining an angle ⁇ of about 45° with respect to the vertical; this bevel 15 connects to the bottom 414 of the recess 14 by means of a vertical wall 314 .
  • the bevel 15 also encourages the reduction in the width of the coupling zone since it thrusts, in the way which will be seen later, upon on the elastic terminal part of the female section “D”, making it bend at least temporarily.
  • the vertical wall 314 is separated from the wall 112 by a value 43 , while the recess 14 has a width 42 equal to about 1 ⁇ 3 of the thickness “l”; the projecting portion 11 has an overall width 41 , defined by the sum of the widths 40 , 42 and 43 , equal to a value which is about equal to the thickness “l” of the panel 10 .
  • the recess 14 also has a wall 22 connecting to the lower plane 49 which, in this case, is made in two tracts, respectively a first, substantially vertical upper tract 114 and a second lower tract 214 , inclined towards the inside of the panel 10 and defining an angle ⁇ with respect to the vertical.
  • the value of the angle ⁇ is equal to about half of the angle ⁇ .
  • the other, ie. opposite side, or female section “D”, of the panel 10 has in turn a projecting portion 16 which has again a reduced height with respect to the overall height of the panel and extends horizontally along the same plane as the lower surface 49 of the panel.
  • the portion 16 further extends upwards with a vertical tooth 17 which extends all along the side of the panel and whose upper surface 18 is substantially horizontal.
  • the upper surface 18 has a width 42 which is substantially equal to the width of the recess 14 and is therefore equal to about 1 ⁇ 3 of the thickness “l” of the panel 10 .
  • the projecting portion 16 has furthermore, going towards the inside of the panel 10 , a horizontal plane surface 19 at a lower level than the level of the surface 18 and connected to the latter through a vertical groove 20 opening upwards and extending in a vertical wall 118 .
  • a substantially horizontal recess 21 At the end portion of the surface 19 on the opposite side of the groove 20 , the side of the panel is provided with a substantially horizontal recess 21 .
  • the recess 21 is defined not only by the plane 19 , but also by a vertical wall 421 and by a horizontal wall 321 which are mating in size with that of the tooth 12 .
  • the recess 21 is connected to the upper plane 48 by means of a wall 44 which, in this case, consists of a lower tract 221 inclined with respect to the vertical by an angle “ ⁇ ” and by a vertical upper tract 121 , connected to said upper plane 48 .
  • the groove 20 also forms a hinge element which, as can be understood from FIG. 2, allows a partial elastic flection forwards of the terminal end of the female section “D” when the front tooth 12 of the new panel 10 is inserted into the recess 21 of the already positioned panel 10 .
  • the groove 20 also forms a balanced union joint specially adapted to lead towards the floor, underneath the neutral axis of the panel, the strains induced by expansions which the panel itself may undergo in use, thereby maintaining the coplanarity of the treading surface.
  • the minimum section of the panel under the groove 20 shall at most be equal to one fourth of the overall thickness of the panel.
  • FIG. 2 is a partial cross-sectional view of the longitudinal sides of two panels 10 in the phase in which the respective profiles thereof are mutually engaging.
  • the panel that has to be inserted (the one shown on the right side of the Figure) is drawn in an inclined position alongside the already arranged matching panel, while the insertion is made by simply rotating the edge portion 11 of the panel to be inserted with respect to the edge portion 16 of the matching panel already arranged in position.
  • the tooth 12 and the corresponding accommodating seat 21 hereby form the fulcrum about which the rotary motion for assembling and disassembling the panels is performed, whereas the action of thrust caused by the bevel 15 on the plane wall 18 determines the elastic flection forwards of the end of the female section “D” which allows to introduce the tooth 12 into the recess 21 even when there is a limited rotation space.
  • the upper resting plane between the tooth 12 and its seat 21 is horizontal and positioned very close to or coinciding with the neutral axis of the cross-section of the panel.
  • the insertion is facilitated not only by the elastic flexibility of the tooth 17 , but also, as said, by the fact that the vertical engagement profiles, that is to say, the walls 22 and 44 , of the two panels are “relieved”, ie. slightly beveled in order to prevent them from mutually interfering when they are coupled together and enter into contact with each other.
  • FIG. 3 is a partial cross-sectional view of the detail shown in FIG. 2, however in the phase in which the engagement, ie. coupling between the two contiguous panels has been completed. It should be noticed that, when coupling is terminated, the panels turn out to be simply resting on each other along a horizontal plane on which the lower surface 13 of the portion 11 of a panel (ie. the one shown in the left side of the Figure) and the upper surface 19 of the portion 16 of the other panel (ie. the one shown on the right side of the Figure) come to meet with each other.
  • the tooth 12 engages the recess 21 , and the tooth 17 in turn engages the recess 14 , in a loose manner since they only serve a locating and retaining purpose when positioning and assembling the panels. Since the edges of the panels are not joined to each other by any kind of forced coupling, but taking merely advantage of the elasticity of the materials, it clearly emerges that two contiguous panels are in this manner capable of freely sliding with respect to each other, thereby facilitating the assembly as well as the butt joining of contiguous panels.
  • FIGS. 4 to 6 illustrate the detail of the longitudinal coupling of two panels with each other under differing conditions of load applied to the floor.
  • FIG. 4 illustrates the case in which a force F, applied to the upper end portion of the panel on the right side of the Figure, triggers a reaction R of the slab under the floor, wherein said reaction is transmitted through the mutual contact surfaces along the path indicated by the arrows inside the panels.
  • a force F applied to the upper end portion of the panel on the right side of the Figure
  • a reaction R of the slab under the floor is transmitted inside the panels where it balances at the vertical contact surfaces.
  • FIG. 7 is an interrupted longitudinal-section view of the panel illustrated in FIG. 1, while FIG. 8 is a partial sectional view of the butt sides of two contiguous panels 10 with the respective profiles in a fully engaged condition.
  • a panel ie. the one on the left-hand side of the Figure
  • a female element “F” comprising a projecting extension 30 , which is aligned with the lower surface 49 of the same panel and whose profile, when seen across its section, includes a vertical wall 65 , a horizontal wall 63 with a width 64 , a substantially horizontal resting and reference plane 31 , as well as a groove 32 , defining a bottom 132 which follows a sunken contour with respect to, ie. is lower than the plane 31 , and a cam-shaped end portion 33 and a vertical wall 62 .
  • the sunken groove 32 extends upwards, connecting with the horizontal wall 63 , so as to define an S-shaped profile lying on a vertical plane and defined by a cam-type end 33 the edge of which faces towards the inside of the panel 10 .
  • the sunken groove 32 also performs the function of a hinge element to allow a partial elastic flection of the cam-type end 33 during the coupling phase of two contiguous panels.
  • the other panel ie. the one on the right-hand side of the Figure
  • a male element “E” comprising a projecting extension 34 aligned with the upper surface 48 of the same panel, whose profile features a vertical wall 53 , a substantially horizontal resting and reference plane 35 which extends upwards in an S-shaped profile lying on a vertical plane and defining a cam-shaped appendix 36 , mating with the cam-type end 33 on the other side.
  • the cam-type end 36 then extends into a recessed seat 56 , displaced towards the outside and connected to a horizontal wall 58 , which is connected to the lower plane by means of a substantially vertical wall 60 .
  • the planes 31 and 35 can be noticed to be mutually coupled by simply resting on each other when the two panels are assembled, while the cam-type end portions 33 and 36 engage each other with interference on a vertical plane, so as to prevent reciprocal movements between the two panels 10 when they are engaged with each other (FIG. 8).
  • the wall 60 comprises a substantially vertical first tract 160 and a second tract 260 inclined towards the inside by an angle of ⁇ 1.
  • the plane 31 has a first tract 131 and a second tract 231 connected to each other by a bevel 331 inclined downwards, so that said second tract 231 is sunken with respect to the first tract 131 .
  • FIG. 9 is a partial perspective view the positioning phase for the butt assembly of the panels of FIG. 8. This assembly is facilitated by the fact that, as we have seen above, the panels 10 can be made to slide longitudinally with respect to each other, without friction and rubbing, even when they are already coupled together with the respective long sides.
  • the assembly is carried out by bringing the longitudinal edge of a panel 10 to rest, according to the arrow A, on the corresponding edges of the contiguous panels, while bringing the butt edges 37 and 38 of the panels to be assembled into mutual contact. Then, the panel 10 is rotated according to the arrow B, while causing, with a scissor-like motion according to a vertical plane, the edge 37 to close against the edge 38 , until the panel 10 is fully coplanar with the contiguous panels.
  • the cam-type appendix 36 of the panel 10 to be inserted exerts on the mating cam-type end 33 a thrust which determines a partial elastic flection forwards of said end 33 .
  • the respective projecting extensions, male 34 and female 30 have respective heights 54 and 59 equal to at least half of the thickness “l” of the panel 10 , so as to ensure a sufficient mechanical resistance which prevents unwanted breakages and flections.
  • the floor covering according to the present invention as obtained by assembling panels having the afore described profile and coupled together by simply rotating and laying them down to rest on each other, without any forced engagement of the edges, is self-levelling and self-stabilizing under load conditions.

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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)
  • Dry Formation Of Fiberboard And The Like (AREA)
US10/047,661 1999-04-20 2001-10-22 Panel for floor coverings and relative floor covering consisting of floor panels Abandoned US20020178681A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITPN99A000038 1999-04-20
IT1999PN000038A IT1311220B1 (it) 1999-04-20 1999-04-20 Pavimento a doghe e metodo per la sua posa in opera
PCT/EP1999/009390 WO2000063510A1 (fr) 1999-04-20 1999-12-01 Revetement de plancher constitue de panneaux de plancher et procede d'assemblage correspondant

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/009390 Continuation WO2000063510A1 (fr) 1999-04-20 1999-12-01 Revetement de plancher constitue de panneaux de plancher et procede d'assemblage correspondant

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US20020178681A1 true US20020178681A1 (en) 2002-12-05

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US10/047,661 Abandoned US20020178681A1 (en) 1999-04-20 2001-10-22 Panel for floor coverings and relative floor covering consisting of floor panels

Country Status (7)

Country Link
US (1) US20020178681A1 (fr)
EP (1) EP1171679A1 (fr)
AR (1) AR020554A1 (fr)
AU (1) AU1779500A (fr)
CA (1) CA2370705A1 (fr)
IT (1) IT1311220B1 (fr)
WO (1) WO2000063510A1 (fr)

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US20050204676A1 (en) * 2002-07-02 2005-09-22 Wilfried Weitzer Panel element and connecting system for panel elements
WO2006032398A1 (fr) * 2004-09-24 2006-03-30 Flooring Industries Ltd. Panneau de plancher et revetement de plancher compose de ces panneaux de plancher
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WO2011028171A1 (fr) * 2009-09-04 2011-03-10 Välinge Innovation AB Procédé d'assemblage de lames à parquet souples qui sont équipées d'un système de verrouillage mécanique
US7913473B2 (en) * 2005-05-27 2011-03-29 Interglarion Limited Method for placing and mechanically connecting panels
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US8578675B2 (en) 2000-03-31 2013-11-12 Pergo (Europe) Ab Process for sealing of a joint
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US8615952B2 (en) 2010-01-15 2013-12-31 Pergo (Europe) Ab Set of panels comprising retaining profiles with a separate clip and method for inserting the clip
US8627631B2 (en) 2000-06-20 2014-01-14 Flooring Industries Limited, Sarl Floor covering
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US8978334B2 (en) 2010-05-10 2015-03-17 Pergo (Europe) Ab Set of panels
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US9353533B2 (en) 2012-02-23 2016-05-31 Admiral Composite Technologies, Inc. Deck system components
US9464443B2 (en) 1998-10-06 2016-10-11 Pergo (Europe) Ab Flooring material comprising flooring elements which are assembled by means of separate flooring elements
US9695601B2 (en) 2010-01-11 2017-07-04 Valinge Innovation Ab Floor covering with interlocking design
US9777487B2 (en) 2007-11-07 2017-10-03 Valinge Innovation Ab Mechanical locking of floor panels with vertical snap folding
US10059084B2 (en) 2014-07-16 2018-08-28 Valinge Innovation Ab Method to produce a thermoplastic wear resistant foil
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US10301830B2 (en) 2013-03-25 2019-05-28 Valinge Innovation Ab Floorboards provided with a mechanical locking system
US10316526B2 (en) 2014-08-29 2019-06-11 Valinge Innovation Ab Vertical joint system for a surface covering panel
CN110080482A (zh) * 2019-05-07 2019-08-02 上海金茂建筑装饰有限公司 一种装配式无机复合装饰板及其施工方法
US10486399B2 (en) 1999-12-14 2019-11-26 Valinge Innovation Ab Thermoplastic planks and methods for making the same
US10760283B2 (en) 2012-02-23 2020-09-01 Admiral Composite Technologies, Inc. Deck system and components
US10808410B2 (en) 2018-01-09 2020-10-20 Valinge Innovation Ab Set of panels
US10837181B2 (en) 2015-12-17 2020-11-17 Valinge Innovation Ab Method for producing a mechanical locking system for panels
US11725395B2 (en) 2009-09-04 2023-08-15 Välinge Innovation AB Resilient floor
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EP1165906B1 (fr) 1999-06-30 2002-08-21 Akzenta Paneele + Profile GmbH Panneau ainsi que systeme de fixation pour panneaux
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CA2370705A1 (fr) 2000-10-26
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AR020554A1 (es) 2002-05-15
IT1311220B1 (it) 2002-03-04
WO2000063510A1 (fr) 2000-10-26
EP1171679A1 (fr) 2002-01-16
AU1779500A (en) 2000-11-02

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