EP3983624B1 - Carreau de sol pour l'installation de revêtements de sol d'installations sportives - Google Patents

Carreau de sol pour l'installation de revêtements de sol d'installations sportives Download PDF

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Publication number
EP3983624B1
EP3983624B1 EP19734232.2A EP19734232A EP3983624B1 EP 3983624 B1 EP3983624 B1 EP 3983624B1 EP 19734232 A EP19734232 A EP 19734232A EP 3983624 B1 EP3983624 B1 EP 3983624B1
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EP
European Patent Office
Prior art keywords
floor tile
cells
floor
top side
viewed
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
EP19734232.2A
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German (de)
English (en)
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EP3983624A1 (fr
Inventor
Hans WÜRGLER
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Noventa Ag
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Noventa Ag
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Publication of EP3983624A1 publication Critical patent/EP3983624A1/fr
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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
    • E04F15/10—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
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/021—Non-undercut connections, e.g. tongue and groove connections with separate protrusions
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/044—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against impact

Definitions

  • the invention relates to a floor tile for the production of coverings on the floor of sports facilities according to the preamble of patent claim 1.
  • Floor coverings for indoor and outdoor sports facilities which are composed of floor tiles, preferably plastic tiles, are particularly suitable for the efficient and cost-effective renovation of aging sports fields.
  • Such modular floor coverings are used in particular for tennis, football and basketball courts.
  • many of these flooring products provide little to no shock absorbing properties, resulting in increased fatigue and increased stress on ligaments, joints and discs from walking, running, jumping or other activities on the flooring.
  • synthetic floor tiles are made from a rigid or semi-rigid material.
  • a modular floor tile for making a flooring for sports fields is from the document US 2016/0222674 A1 CERNY ET AL. known.
  • This known modular floor panel has a surface with a multiplicity of ribs or structural elements.
  • a one-piece support system in the form of a grating is formed by the ribs or structural elements.
  • the floor panel comprises primary support elements, one of which is arranged in each opening of the grating between the rib elements.
  • Each primary support member includes a central support post which rests on the ground even when the floor panel is unloaded, and a plurality of flexible arms connected to the grating, the arms extending outwardly from the central support post.
  • the arms When a load is applied to the upper surface of the support system, the arms flex and the support system is pressed against the ground relative to the central support posts. The flexing action of the arms absorbs some of the impact associated with the load applied to the top of the floor tile, thereby reducing the impact effect of a person's foot on the floor.
  • secondary support elements are arranged, which in the unloaded state of the base plate above the ground surface are raised. Vertical downward movement of the truss system when a load is applied to the truss system is first cushioned by the flexures of the primary support members and lastly limited by the secondary support members as they make contact with the ground.
  • this known floor tile has the disadvantage that a complicated structure is formed by the bendable arms, which connect the primary supporting elements to the ribs of the floor tile, which leads to a complex production of the floor tile.
  • the downward movement of the floor tile is abruptly stopped by the secondary support elements when these secondary support elements hit the floor.
  • the document U.S. 2014/237916 A1 also discloses such floor tiles.
  • the object of the invention is to create a floor tile with damping properties that are gentle on the joints, which can be produced simply and inexpensively.
  • the invention solves the problem with a floor tile for the production of coverings on the floor of sports facilities, which has the features of claim 1.
  • the ratio FD:FZ is at least 70%, preferably at least 80%.
  • the plate- or shell-shaped cover elements form thin plates or shells which are deflected when a load is applied and which, even with a relatively small thickness, can have a higher bending stiffness than linear arms which are loaded in bending.
  • the cover elements can be convexly curved towards the upper side in the shape of a shell. This results in the advantage that when a load occurs on the upper side of the cover elements, the force is preferably introduced in the middle of the cover elements.
  • the cover elements can have recesses in the corners of the polygonal cells. This results in the advantage that there are no accumulations of material at the corners of the polygonal cells, which would constitute a considerable disadvantage, in particular if the floor tile were to be produced by injection molding or die-casting techniques. This also avoids the accumulation of rainwater.
  • the cover elements can - viewed from the top - include a central recess.
  • the central recess has the advantage that rainwater cannot collect and run off on the upper side of the plate-shaped or bowl-shaped cover elements.
  • the central recess causes the plate or bowl-shaped cover elements to become more flexible.
  • the cover elements can also include pins or nubs on the upper side.
  • the pins can increase the slip resistance (grip) of the floor tile, especially in wet conditions in the case of outdoor arrangements of the floor covering.
  • grip slip resistance
  • the cover elements can have a center and the pins or nubs can be arranged in one or more circles evenly distributed around the center.
  • Each cover element advantageously comprises at least six pins or knobs.
  • the pins or nubs can expediently be arranged on perpendicular bisectors of the partition walls.
  • the pins have a height H which is expediently at least 0.5 mm, preferably at least 0.7 mm.
  • the height H of the pins is expediently at most 1.0 mm, preferably at most 0.8 mm.
  • the cover elements have a curvature with a height h, which expediently amounts to a maximum of 1.8 mm, preferably a maximum of 1.2 mm.
  • the cover elements can expediently be elastically deflectable by at least 0.7 mm, preferably by at least 1.0 mm, towards the underside.
  • the cover elements can expediently be elastically deflectable by a maximum of 1.8 mm, preferably by a maximum of 1.2 mm, towards the underside.
  • the cells each have the shape of a regular polygon, viewed from the top. Viewed from above, the cells can each have the shape of an equilateral hexagon.
  • the advantage of this arrangement is that only three partitions meet at a node, i.e. in a corner of the cell, so that accumulations of material can be minimized.
  • the equilateral hexagon expediently has an internal dimension of at least 30 mm, preferably at least 32 mm, between two parallel sides.
  • the equilateral hexagon expediently has an internal dimension of at most 40 mm, preferably at most 38 mm, between two parallel sides. Typically, the inside dimension can be 35 mm.
  • the cells may be in the form of a prism, preferably a right prism.
  • the floor tile may be square and have four sides, the cells advantageously being arranged so that towards a first side seven cells are arranged next to each other.
  • the advantage of this embodiment is that there is a smooth transition from tile to tile for a standard tile dimension of 10 inches x 10 inches, ie the resilience of the edge cells is not disturbed by additional partition walls because the connection is made at a node. Furthermore, when several floor tiles are joined together, a flowing optical transition of the hexagonal cells of the individual floor tiles, resulting in a uniformly harmonious surface of the floor covering.
  • the seven cells lined up in the direction of the first side are arranged with juxtaposed parallel partitions of the equilateral hexagon.
  • the cells arranged in the direction of a second side perpendicular to the first side can each have two cells on the outside that are separated in the middle of two opposite corners of the hexagon.
  • the cover elements can have an increasing thickness towards the partition walls. A substantially constant tension in the cover elements can thus be achieved.
  • the thickness of the cover elements in the area of the partition walls is expediently at least 1.8 mm, preferably at least 2.0 mm.
  • the thickness of the cover elements in the area of the partition walls is expediently at most 2.5 mm, preferably at most 2.2 mm. Typically, the thickness in this area is 2.1 mm.
  • the thickness of the cover elements in a central region of the cell viewed from the top is expediently at least 0.8 mm, preferably at least 1.0 mm.
  • the thickness of the cover elements in a central area of the cell viewed from the top is expediently at most 1.4 mm, preferably at most 1.2 mm. Typically, the thickness in this area is 1.1 mm.
  • the floor tile is advantageously formed in one piece. This enables the floor tile to be produced by injection molding or die casting.
  • the cover elements may have radially extending indentations on a surface facing the underside of the floor tile. These indentations form segments of the cover elements, which provide soft, 3-dimensional cushioning when the sports shoe steps on the upper side of the floor tile ensure that joints and intervertebral discs are protected from hard blows.
  • the floor tile can have four sides and can comprise spring clips on two mutually perpendicular sides and plug-in elements that can be snapped into the spring clips on the respective opposite sides.
  • the spring clip and the plug-in elements form a snap connection system for connecting several floor tiles to produce a covering on the floor of a sports facility and are preferably designed in such a way that the floor tiles according to the invention can also be combined with other floor tiles already known.
  • the spring clips can additionally be designed to be elastically deformable in both directions parallel to the respective sides.
  • the spring clips and plug-in elements enable the floor tiles to be displaced relative to one another parallel to the upper side in a resilient manner in two axial directions.
  • the intermediate walls can be designed to be recessed from the upper side in relation to the cover elements.
  • the floor tile can advantageously be made from a homopolymer or a copolymer, preferably from a polypropylene.
  • the rigidity of the plate or shell-shaped cover elements is expediently designed in such a way that the limit stress of the material from which the floor tile is made is a maximum of 35 N/mm 2 under maximum load.
  • the illustrated embodiment of the floor tile 1 according to the invention has an upper side 2 and an underside 3 and, viewed from the upper side 2 , has a cell structure with a multiplicity of cells 4 adjoining one another, which are separated by intermediate walls 5 .
  • the partitions 5 are formed on the underside 3 of the floor tile to rest on the floor 10 of an indoor or outdoor sports facility.
  • the cells 4 each have the shape of an equilateral hexagon, by way of example and not by way of limitation, so that in the nodes of the partitions 5, i.e. in the corners 17 of the cells 4, there are minimal accumulations of material.
  • the cells 4 can also have the shape of another regular polygon.
  • the cells 4 comprise on the upper side 2 of the floor tile 1 with the intermediate walls 5 connected cover elements 6, which are convexly curved towards the upper side 3 and towards the underside 3 of the floor tile 1 can be elastically bent.
  • the cover elements 6 have a curvature with a height h which, depending on the embodiment, can be between a maximum of 1.2 mm and a maximum of 1.8 mm.
  • the Partitions 5 between the individual cells 4 are recessed from the top 2 of the floor tile 1 in relation to the cover elements 6 .
  • cover elements 6 can also be plate-shaped and designed to be level with the upper side 2 of the floor tile 1 .
  • the cells 4 each have an area FZ enclosed by the partitions 5 on the upper side 2 of the floor tile 1, while the cover elements 6 each have an area FD in the region of the upper side 2, the ratio of FD:FZ being exemplary and not limiting is about 80%.
  • the plate or shell-shaped cover elements form thin plates or shells which are deflected when a load is applied and which, even with a relatively small thickness, have a higher flexural rigidity than linear arms which are loaded in bending.
  • the cover elements 6 can be elastically bent against the underside 3 of the floor tile 1 by at least 0.7 mm, preferably at least 1.0 mm and at most 1.8 mm, preferably at most 1.2 mm.
  • the cells 4 are designed as a right prism, the equilateral hexagon having an internal dimension 18 of 35 mm between two parallel sides.
  • the inner dimension 18 between two parallel sides of the equilateral hexagon can be at least 30 mm, preferably at least 32 mm and at most 40 mm, preferably at most 38 mm.
  • the cover elements 6 have recesses 15 in the corners 17 of the polygonal cells 4 so that material accumulations do not occur at the corners 17 of the polygonal cells 4 . This avoids the accumulation of rainwater.
  • cover elements 6, viewed from the top 2 of the floor tile 1, comprise a central recess 16, which serves to prevent rainwater from collecting on the top of the plate-shaped or bowl-shaped cover elements 6 and which at the same time reduces the rigidity of the bowl-shaped cover elements 6.
  • the partitions 5 point from the underside 3 of the floor tile 1 penetrating indentations 19, so that the partition walls 5 rest only in the area of the nodes, ie in the area of the corners 17 of the cells 4 on the floor 10 of a sports facility.
  • the cover elements 6 include pins 7 or nubs, whereby the slip resistance (grip) of the floor tile 1 is increased, especially in wet conditions in the case of outdoor arrangements of the floor covering.
  • the pins 7 or nubs are arranged, by way of example and not by way of limitation, evenly distributed on a circle around the center 14 of the cover element 6 , each cover element 6 comprising six pins 7 or nubs, which are each arranged on perpendicular bisectors of the partitions 5 .
  • the pins 7 have a height H which, in various embodiments of the floor tile 1 according to the invention, is at least 0.5 mm, preferably at least 0.7 mm and at most 1.0 mm, preferably at most 0.8 mm.
  • cover elements 6 have an increasing thickness towards the intermediate walls 5, so that a substantially constant tension can be achieved in the cover elements.
  • the cover elements 6 in the embodiment of the floor tile 1 according to the invention shown here have a thickness of 2.1 mm in the area of the partitions 5 and a thickness of 1.1 mm in a central area of the cell 4 viewed from the top 2 .
  • the cover elements 6 can be designed in such a way that the thickness of the cover elements 6 in the area of the partitions 5 is at least 1.8 mm, preferably at least 2.0 mm and at most 2.5 mm, preferably at most 2.2 mm and is at least 0.8 mm, preferably at least 1.0 mm and at most 1.4 mm, preferably at most 1.2 mm, in a central region of the cell 4 viewed from the top 2 .
  • cover elements 6 are provided with radially extending depressions 8 on the surface directed towards the underside 3 of the floor tile 1, so that segments are formed which ensure soft, 3-dimensional damping when the sports shoe steps on the upper side 2 of the floor tile 1.
  • the floor tile 1 is, viewed from the top 2, in the form of a quadrilateral, by way of non-limiting example, and has four peripheral faces 9a, 9b, 9c, 9d, on each face 9a, 9b, 9c, 9d means 13 of connection the floor tile 1 are arranged with a further floor tile 1.
  • the floor tile 1 is square in shape, with the cells 4 being arranged in such a way that seven cells 4 are arranged next to one another in the direction of a first side 9a.
  • the seven cells 4 lined up in a row in the direction of the first side 9a are arranged with parallel intermediate walls 5 of the equilateral hexagon arranged next to one another.
  • a standard tile dimension of 10 inches x 10 inches there is a transition from floor tile 1 to floor tile 1 in such a way that the resilience of the cells 4 lying on the edge is not disturbed by additional partition walls 5 because the connection is made at a node.
  • the floor tile 1 is designed in one piece, with the means 13 for connecting the floor tile 1 to a further floor tile 1 comprising spring clips 11 on two mutually perpendicular sides 9a, 9b and plug-in elements 12 which can be snapped into these spring clips 11 on the opposite sides 9c, 9d.
  • the spring clips 11 are designed to be elastically deformable in both directions relative to two mutually perpendicular sides 9a, 9b, i.e. parallel and perpendicular to the respective sides 9a, 9b in both directions, so that parallel to the upper side 2 of the floor tile 1 there is a resilient displacement in two axial directions of the floor tiles relative to each other is allowed.
  • the floor tile 1 is made of a polypropylene. In alternative embodiments, the floor tile 1 can also be made of another homopolymer or a copolymer.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Road Signs Or Road Markings (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Claims (15)

  1. Carreau de sol (1) destinés à la réalisation d'un revêtement de sol (10) d'installations sportives, dans lequel le carreau de sol (1) :
    comprend une face supérieure (2) et une face inférieure (3) ;
    est configuré comme triangulaire ou quadrangulaire, vu de la face supérieure (2), et présente trois ou quatre côtés (9a, 9b, 9c, 9d) sur son pourtour ;
    comprend sur chaque côté (9a, 9b, 9c, 9d) des moyens (13) de relier le carreau de sol (1) à un carreau de sol (1) ultérieur ;
    présente, vu de la face supérieure (2), une structure cellulaire avec une pluralité de cellules (4) adjacentes les unes aux autres, lesquelles sont séparées par des parois intermédiaires (5), dans lequel
    les cellules (4) présentent, vu de la face supérieure (2), respectivement la forme d'un polygone et les parois intermédiaires (5) sont configurées sur leur face inférieure (3) pour reposer sur le sol (10),
    caractérisé en ce que
    les cellules (4) comprennent sur la face supérieure (2) des éléments de couverture (6) reliés aux parois intermédiaires (5), lesquels sont réalisés en forme de plaque ou de coque et pouvant être fléchis élastiquement contre la face inférieure (3) ; dans lequel
    les cellules (4) présentent respectivement, vu de la face supérieure (2), une surface FZ circonscrite par les parois intermédiaires (5) et les éléments de couverture (6) présentent respectivement, vu de la face supérieure (2), une surface FD, et dans lequel
    le rapport FD:FZ est d'au moins 50 %.
  2. Carreau de sol (1) selon la revendication 1, caractérisé en ce que le rapport FD:FZ est d'au moins 70 %, de préférence d'au moins 80 %.
  3. Carreau de sol (1) selon la revendication 1 ou 2, caractérisé en ce que les éléments de couverture (6) sont recourbés de manière convexe en forme de coque contre la face supérieure (2).
  4. Carreau de sol (1) selon l'une des revendications 1 à 3, caractérisé en ce que les éléments de couverture (6) présentent des évidements (15) dans les coins (17) des cellules polygonales (4).
  5. Carreau de sol (1) selon l'une des revendications 1 à 4, caractérisé en ce que les éléments de couverture (6) présentent, vu de la face supérieure (2), un évidement central (16).
  6. Carreau de sol (1) selon l'une des revendications 1 à 5, caractérisé en ce que les éléments de couverture (6) présentent sur la face supérieure (2) des broches (7) ou des protubérances.
  7. Carreau de sol (1) selon la revendication 3, si possible en combinaison avec l'une des revendications 2 ou 4 à 6, caractérisé en ce que les éléments de couverture (6) présentent une courbure avec une hauteur h qui est de 1,8 mm au maximum.
  8. Carreau de sol (1) selon l'une des revendications 1 à 7, caractérisé en ce que les cellules (4) présentent, vu de la face supérieure (2), la forme d'un polygone régulier.
  9. Carreau de sol (1) selon l'une des revendications 1 à 8, caractérisé en ce que les cellules (4) sont configurées comme prismes, de préférence comme prismes droits.
  10. Carreau de sol (1) selon l'une des revendications 1 à 9, caractérisé en ce que le carreau de sol (1) est configuré de manière carrée et présente quatre côtés (9a, 9b, 9c, 9d), dans lequel les cellules (4) sont disposées de sorte que sept cellules (4) sont disposées l'une à côté de l'autre dans la direction d'un premier côté (9a).
  11. Carreau de sol (1) selon l'une des revendications 1 à 10, caractérisé en ce que les éléments de couverture (6) présentent des épaisseurs qui augmentent contre les parois intermédiaires (5).
  12. Carreau de sol (1) selon l'une des revendications 1 à 11, caractérisé en ce que le carreau de sol (1) est configuré d'une pièce.
  13. Carreau de sol (1) selon l'une des revendications 1 à 12, caractérisé en ce que les éléments de couverture (6) présentent des dépressions radiales (8) sur une surface dirigée contre la face inférieure (3) du carreau de sol (1).
  14. Carreau de sol (1) selon l'une des revendications 1 à 13, caractérisé en ce que les parois intermédiaires (5) sont en retrait à partir de la face supérieure (2) par rapport aux éléments de couverture (6) .
  15. Carreau de sol (1) selon l'une des revendications 1 à 14, caractérisé en ce que le carreau de sol (1) est réalisé en homopolymère ou en copolymère, de préférence un polypropylène.
EP19734232.2A 2019-06-14 2019-06-14 Carreau de sol pour l'installation de revêtements de sol d'installations sportives Active EP3983624B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2019/000018 WO2020248082A1 (fr) 2019-06-14 2019-06-14 Carreau de sol pour la fabrication de revêtement sur le sol d'installations sportives

Publications (2)

Publication Number Publication Date
EP3983624A1 EP3983624A1 (fr) 2022-04-20
EP3983624B1 true EP3983624B1 (fr) 2023-03-15

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ID=67107313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19734232.2A Active EP3983624B1 (fr) 2019-06-14 2019-06-14 Carreau de sol pour l'installation de revêtements de sol d'installations sportives

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EP (1) EP3983624B1 (fr)
ES (1) ES2945815T3 (fr)
WO (1) WO2020248082A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060265975A1 (en) * 2005-05-04 2006-11-30 Kurt Geffe Floor tile
US8099915B2 (en) * 2005-06-02 2012-01-24 Snapsports Company Modular floor tile with resilient support members
US9863155B2 (en) 2014-03-04 2018-01-09 Connor Sport Court International, Llc Synthetic flooring apparatus

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Publication number Publication date
EP3983624A1 (fr) 2022-04-20
WO2020248082A1 (fr) 2020-12-17
ES2945815T3 (es) 2023-07-07

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