EP3983624A1 - Carreau de sol pour la fabrication de revêtement sur le sol d'installations sportives - Google Patents

Carreau de sol pour la fabrication de revêtement sur le sol d'installations sportives

Info

Publication number
EP3983624A1
EP3983624A1 EP19734232.2A EP19734232A EP3983624A1 EP 3983624 A1 EP3983624 A1 EP 3983624A1 EP 19734232 A EP19734232 A EP 19734232A EP 3983624 A1 EP3983624 A1 EP 3983624A1
Authority
EP
European Patent Office
Prior art keywords
floor tile
cover elements
cells
floor
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.)
Granted
Application number
EP19734232.2A
Other languages
German (de)
English (en)
Other versions
EP3983624B1 (fr
Inventor
Hans WÜRGLER
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.)
Noventa Ag
Original Assignee
Noventa Ag
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 Noventa Ag filed Critical Noventa Ag
Publication of EP3983624A1 publication Critical patent/EP3983624A1/fr
Application granted granted Critical
Publication of EP3983624B1 publication Critical patent/EP3983624B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring 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
    • E04F15/105Flooring 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/01Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146Joining 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/02Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/021Non-undercut connections, e.g. tongue and groove connections with separate protrusions
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/044Specially 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 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 inexpensive renovation of outdated sports fields.
  • Such modular floor coverings are used in particular for tennis, football and basketball courts.
  • many of these flooring products offer 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 producing a floor covering for sports fields is from the document US 2016/0222674 A1 CERNY ET AL. known.
  • This known modular floor plate has a surface with a large number 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 base plate comprises primary support elements, one of which is arranged in each opening of the grating between the rib elements.
  • Each primary support element comprises a central support post, which rests on the floor even in the unloaded state of the base plate, and a plurality of flexible arms which are connected to the grating, the arms extending outwards from the central support post.
  • the invention aims to remedy this.
  • the invention is based on the object of creating a floor tile with damping properties that are gentle on the joints and that can be produced simply and inexpensively.
  • the invention achieves the stated problem with a floor tile for the production of coverings on the floor of sports facilities, which has the features of claim 1.
  • the plate-shaped or shell-shaped and elastically bendable cover elements produce a sufficient spring force and no abrupt end of the spring travel is generated
  • a shock-absorbing floor covering for sports facilities can be produced which, due to its cell structure with plate or shell-shaped and elastically deflectable cover elements, ensures simple and inexpensive production of the floor covering compared to known floor tiles with spring elements, which each have several arms and support posts; and
  • the floor covering does not require any additional top layer.
  • 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 bent when a load is applied and which, even with a relatively small thickness, can have a higher flexural rigidity than linear arms which are subjected to bending loads.
  • the cover elements can be convexly curved towards the top in the shape of a shell. This has the advantage that the introduction of force when a load occurs on the top of the cover elements is preferably carried out 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 is no accumulation of material at the corners of the polygonal cells, which would constitute a considerable disadvantage, in particular when the floor tile is manufactured using injection or die-casting techniques. This also prevents rainwater from collecting.
  • the cover elements can - as viewed from the top - comprise a central recess.
  • the central recess has the advantage that rainwater does not collect and run off on the upper side of the plate-shaped or shell-shaped cover elements.
  • the central recess has the effect that the plate-shaped or shell-shaped cover elements become more flexible.
  • the cover elements can also include pins or knobs on the top.
  • the pins can increase the slip resistance (grip) of the floor tile, in particular also in wet conditions in the case of outdoor arrangements of the floor covering.
  • grip slip resistance
  • the cover elements can - viewed from the top - have a center and the pins or knobs can be evenly distributed around the center on one or more circles.
  • Each cover element advantageously comprises at least six pins or knobs.
  • the pins or knobs can expediently be arranged on the mid-perpendicular 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 is expediently 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, against the underside.
  • the cover elements can expediently be elastically deflectable against the underside by a maximum of 1.8 mm, preferably by a maximum of 1.2 mm.
  • the cells - viewed from the top - each have the shape of a regular polygon.
  • the cells can each have the shape of an equilateral hexagon.
  • the advantage of this arrangement is that in each case in a node, i. in one corner of the cell, only meet three partition walls, so that the accumulation 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 can be designed as a prism, preferably as a straight prism.
  • the floor tile can be square and have four sides, the cells advantageously being arranged such that seven cells are arranged next to one another in the direction of a first side.
  • 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 suspension 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 visual transition of the hexagonal cells of the individual floor tiles, so that a uniformly harmonious surface of the floor covering results.
  • the seven cells lined up in a row in the direction of the first side are arranged with parallel partition walls of the equilateral hexagon arranged next to one another.
  • the cells arranged in the direction of a second side, which is perpendicular to the first side, can each have two cells on the outside, which are centrally separated from two opposite corners of the hexagon.
  • the cover elements can have a thickness that increases in relation to the partition walls. This enables a substantially constant tension to be achieved in the cover elements.
  • 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 area 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 manufactured by injection molding or die casting.
  • the cover elements can have radially extending depressions on a surface directed towards the underside of the floor tile. These recesses form segments of the cover elements, which provide soft, 3-dimensional cushioning when the sports shoe hits the top of the floor tile ensure that joints and intervertebral discs are protected from hard blows.
  • the floor tile can have four sides and comprise spring clips on two mutually perpendicular sides and plug-in elements that can be snapped into the spring clips on the opposite sides.
  • the spring clips and the plug-in elements form a snap connection system for connecting several floor tiles for lowering a surface on the floor of a sports facility and are preferably designed so that the floor tiles according to the invention can also be combined with other, already known floor tiles.
  • the spring clips can also be designed to be elastically deformable in both directions parallel to the respective sides.
  • the spring clips and plug-in elements enable a resilient displacement of the floor tiles relative to one another in two axial directions parallel to the top.
  • the partition walls can be formed recessed from the top with respect to the cover elements.
  • the floor tile can advantageously be made from a flomopolymer or copolymer, preferably from a polypropylene.
  • the rigidity of the plate or shell-shaped cover elements is expediently designed so that at maximum load the limit stress of the material from which the floor tile is made is a maximum of 35 N / mm 2 .
  • FIG. 1 shows a perspective view of an embodiment of the floor tile according to the invention
  • FIG. 2 shows a sectional illustration of an individual cell of the embodiment of the floor tile according to the invention shown in FIG. 1, viewed from the underside of the floor tile;
  • FIG. 3 shows a sectional illustration of an individual cell of the embodiment of the floor tile according to the invention shown in FIG. 1;
  • FIG. 4 shows a perspective illustration of an individual cell of the embodiment of the floor tile according to the invention shown in FIG. 1;
  • FIG. 5 shows a perspective illustration of an individual cell of the embodiment of the floor tile according to the invention shown in FIG. 1, viewed from the underside of the floor tile;
  • FIG. 6 shows a plan view of an embodiment of the floor tile according to the invention.
  • the embodiment of the floor tile 1 according to the invention shown in FIGS. 1-6 has an upper side 2 and an underside 3 and, viewed from the upper side 2, has a cell structure with a large number of adjacent cells 4 which are separated by partition walls 5.
  • the partition walls 5 are formed on the underside 3 of the floor tile for installation on the floor 10 of an indoor or outdoor sports facility.
  • the cells 4 can also have the shape of another regular polygon.
  • the cells 4 comprise cover elements 6 connected to the intermediate walls 5 on the upper side 2 of the floor tile 1, which are convexly curved in the shape of a shell towards the upper side 3 and are elastically bendable towards the lower side 3 of the floor tile 1.
  • the cover elements 6 have a curvature with a flea h which, depending on the embodiment, can be between a maximum of 1.2 mm and a maximum of 1.8 mm.
  • the Partition walls 5 between the individual cells 4 are recessed from the top 2 of the floor tile 1 opposite the cover elements 6.
  • cover elements 6 can also be plate-shaped and flat with the top 2 of the floor tile 1.
  • the cells 4 each have an area FZ enclosed by the partition walls 5 on the upper side 2 of the floor tile 1, while the cover elements 6 each have an area FD in the area of the upper side 2, the ratio of FD: FZ, by way of example and not limiting, is approx. 80%.
  • the plate or shell-shaped cover elements form thin plates or shells which are bent when a load is applied and which, even with a relatively small thickness, have a higher flexural rigidity than linear arms which are subjected to bending loads.
  • the cover elements 6 are elastically deflectable by at least 0.7 mm, preferably by at least 1.0 mm and by at most 1.8 mm, preferably by at most 1.2 mm against the underside 3 of the floor tile 1.
  • the cells 4 are designed as a straight prism, the equilateral hexagon between two parallel sides having an internal dimension 18 of 35 mm.
  • the internal 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 there is no accumulation of material at the corners 17 of the polygonal cells 4. This prevents rainwater from collecting.
  • 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 upper side 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 partition walls 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 comprise pins 7 or knobs, whereby the slip resistance (grip) of the floor tile 1 is increased, in particular also in wet conditions in the case of outdoor arrangements of the floor covering.
  • the pins 7 or knobs are, by way of example and not by way of limitation, arranged on a circle evenly distributed around the center 14 of the cover element 6, with each cover element 6 comprising six pins 7 or knobs, which are each arranged on the perpendicular verticals of the partition walls 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.
  • the cover elements 6 have a thickness that increases in relation to the intermediate walls 5, so that an essentially constant tension can be achieved in the cover elements.
  • the cover elements 6 have a thickness of 2.1 mm in the area of the partition walls 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 so that the thickness of the cover elements 6 in the area of the partition walls 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 in a central region of the cell 4 viewed from the top 2 is at least 0.8 mm, preferably at least 1.0 mm and at most 1.4 mm, preferably at most 1.2 mm.
  • the cover elements 6 are provided with radially extending depressions 8 on the surface facing the underside 3 of the floor tile 1, so that segments are formed which ensure soft, 3-dimensional cushioning when the sports shoe strikes the upper side 2 of the floor tile 1.
  • the floor tile 1, viewed from the top 2 is, by way of example and not limitation, designed as a square and has four sides 9a, 9b, 9c, 9d on each side, with 9a, 9b, 9c, 9d means 13 for connecting the floor tile 1 to a further floor tile 1 are arranged.
  • the floor tile 1 is designed to be square, 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 partition walls 5 of the equilateral hexagon arranged next to one another.
  • the floor tile 1 is formed in one piece, the means 13 for connecting the floor tile 1 to a further floor tile 1 on two mutually perpendicular sides 9a, 9b comprising spring clips 11 and on the opposite sides 9c, 9d in these spring clips 11 snap-in elements 12.
  • the spring clips 11 are in both directions relative to two mutually perpendicular sides 9a, 9b, i.e. parallel and perpendicular to the respective sides 9a, 9b designed to be elastically deformable in both directions, so that parallel to the upper side 2 of the floor tile 1 a resilient displacement of the floor tiles relative to one another in two axial directions is made possible.
  • the floor tile 1 is made of a polypropylene. In alternative embodiments, the floor tile 1 can also be made from another homopolymer or a copolymer.

Landscapes

  • 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)

Abstract

Carreau de sol (1), lequel comprend une face supérieure (2) et une face inférieure (3) et est réalisé, vu du côté de la face supérieure (2), comme un triangle ou un carré et présente périphériquement trois ou quatre côtés (9a, 9b, 9c, 9d), des moyens (13) pour la connexion à un autre carreau de sol (1) étant montés sur chaque côté (9a, 9b, 9c, 9d), le carreau de sol (1) présentant, vu du côté de la face supérieure (2), une structure cellulaire comprenant une pluralité de cellules (4) adjacentes les unes aux autres, lesquelles sont séparées par des parois intermédiaires (5), les cellules (4) présentant, vues du côté de la face supérieure (2), respectivement la forme d'un polygone et les parois intermédiaires (5) étant formées sur leur face inférieure (3) pour l'appui sur le sol (10), et les cellules (4) comprenant sur la surface supérieure (2) des éléments de couverture (6) connectés aux parois intermédiaires (5), lesquels peuvent être fléchis élastiquement contre la face inférieure (3), les cellules (4) présentant respectivement sur la face supérieure (2) une surface FZ enfermée par les parois intermédiaires (5) et les éléments de couverture (6) présentant respectivement sur la face supérieure (2) une surface FD et le rapport FD:FZ étant d'au moins 50%.
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 true EP3983624A1 (fr) 2022-04-20
EP3983624B1 EP3983624B1 (fr) 2023-03-15

Family

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

Country Status (3)

Country Link
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

Also Published As

Publication number Publication date
EP3983624B1 (fr) 2023-03-15
WO2020248082A1 (fr) 2020-12-17
ES2945815T3 (es) 2023-07-07

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