FR2807078A1 - Artificial playing surface e.g. for tennis court has expanded polymer base layer, two layers of timber boards, and sand-filled resin surface - Google Patents

Artificial playing surface e.g. for tennis court has expanded polymer base layer, two layers of timber boards, and sand-filled resin surface Download PDF

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Publication number
FR2807078A1
FR2807078A1 FR0003939A FR0003939A FR2807078A1 FR 2807078 A1 FR2807078 A1 FR 2807078A1 FR 0003939 A FR0003939 A FR 0003939A FR 0003939 A FR0003939 A FR 0003939A FR 2807078 A1 FR2807078 A1 FR 2807078A1
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Prior art keywords
sep
layer
plates
floor covering
ply
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FR0003939A
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French (fr)
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FR2807078B1 (en
Inventor
Alain Schaller
Bernard Silliau
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ENVIROSPORT
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/22—Resiliently-mounted floors, e.g. sprung floors
    • E04F15/225—Shock absorber members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/04—Pavings made of prefabricated single units
    • E01C13/045—Pavings made of prefabricated single units the prefabricated single units consisting of or including bitumen, rubber or plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/22—Resiliently-mounted floors, e.g. sprung floors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The artificial playing surface consists of a shock absorbing base layer (1) 10 - 40 mm thick, made from slabs of a porous expanded polymer with a density of 30 - 60 g/l, a maximum deformation of about 6 - 12 mm, and an insulation film layer on its under-surface. The base layer is covered with a 20 mm thick double layer (2) of tongued and grooved timber boards (8, 9), and this is covered by a surface layer (3) of resin with a filling of sand or other material.

Description

REVETEMENT <B><U>DE SOL SPORTIF, NOTAMMENT POUR COURTS DE</U></B> <B><U>TENNIS ET AUTRES JEUX DE BALLES</U></B> L'invention se rapporte au domaine technique des surfaces de en particulier, mais non exclusivement, des courts de tennis ou surfaces pour jeux de balles.  SPORTS SOIL COATING <B> <U>, IN PARTICULAR FOR </ U> </ U> <B> <U> TENNIS AND OTHER BALLS </ U> SHORT </ U> </ U> <B> <B> <B> <B> technical surfaces of, in particular, but not exclusively, tennis courts or ball game surfaces.

On connaît déjà, dans l'art antérieur, une grande variété de surfaces de ce type, qui peuvent être rangées en trois grandes catégories - les surfaces dites en terre battue ; - les surfaces en gazon naturel ; - les surfaces synthétiques. There is already known in the prior art a large variety of surfaces of this type, which can be classified into three broad categories - so-called earthen surfaces; - natural grass surfaces; - synthetic surfaces.

L'invention se rapporte plus particulièrement aux surfaces synthétiques. connaît un grand nombre de réalisations de telles surfaces synthétiques, notamment pour les courts de tennis. The invention relates more particularly to synthetic surfaces. knows a large number of achievements of such synthetic surfaces, especially for tennis courts.

Selon un premier type de conception, on met essentiellement ceuvre un liant inorganique de type hydraulique tel qu'un béton, notamment béton poreux, béton bitumineux, un béton léger ou un béton de fibres, coulage en place ou assemblage de dalles préfabriquées. Ce liant hydraulique est éventuellement recouvert d'une couche polymère poreuse. According to a first type of design, it essentially employs a hydraulic type inorganic binder such as concrete, including porous concrete, asphalt concrete, lightweight concrete or fiber concrete, casting in place or assembly of prefabricated slabs. This hydraulic binder is optionally covered with a porous polymer layer.

Pour ce premier type de conception, on peut se reporter par exemple aux documents suivants: FR-A-2 571 073, FR-A-2 561 639, FR-A-2 534 947, FR-A- 2 519 664, FR-A-2 494 740, FR-A-2 494 738, FR-A-2 478 696, FR-A-2 482 639, FR-A- 818, FR-A-2 478 696, FR-A-2 454 494, FR-A-2 442 916, FR-A-2 423 -A-2 410 703, FR-A-2 408 012, FR-A-2 391 318, FR-A-2 384 917, EP-A-005 117, EP-A-036 644,W0-A-85100630, WO-A-92114000. For this first type of design, reference may be made for example to the following documents: FR-A-2 571 073, FR-A-2 561 639, FR-A-2 534 947, FR-A-2 519 664, FR -A-2 494 740, FR-A-2 494 738, FR-A-2 478 696, FR-A-2 482 639, FR-A-818, FR-A-2 478 696, FR-A-2 454,494, FR-A-2,442,916, FR-A-2,423-A-2,410,703, FR-A-2,408,012, FR-A-2,391,318, FR-A-2,384,917, EP-A-2,432,916; A-005 117, EP-A-036 644, WO-A-85100630, WO-A-92114000.

Selon un deuxième type de conception, la surface de jeu est obtenue par assemblage de dalles poreuses et perméables, à base d'argile cuite ou autre matière minérale cuite. According to a second type of design, the playing surface is obtained by assembling porous and permeable slabs, based on fired clay or other baked mineral material.

Pour ce deuxième type de conception, on peut se reporter, par exemple, aux documents FR-A-2 540 099, FR-A-2 374 274, FR-A-2 361 313. For this second type of design, reference may be made, for example, to documents FR-A-2 540 099, FR-A-2 374 274 and FR-A-2 361 313.

Selon un troisième type de conception, on met essentiellement en veuvre un ou plusieurs liants inorganiques de type polymère tel que polyuréthane, acétate de vinyle, polychloroprène, ou bien encore un liant inorganique ou un enrobé de type bitumineux, ces liants étant coulés sur place et éventuellement mélangés une résine thermoplastique et à des charges abrasives permettant d'obtenir surfaces plus ou moins rapides. According to a third type of design, one essentially uses one or more inorganic binders of polymer type such as polyurethane, vinyl acetate, polychloroprene, or else an inorganic binder or a bituminous mix, these binders being cast on site and optionally mixed with a thermoplastic resin and abrasive fillers to obtain more or less fast surfaces.

Pour ce troisième type de conception, on peut se reporter, exemple, aux documents suivants : FR-A-2 563 251, FR-A-2 503 206, FR<B>497216,</B> FR-A-2 782, FR-A-2 449 162, FR-A-2 439 268, FR-A-2 412 , FR-A-2 411 , FR-A-2 391 319, FR-A-2 355 974, EP-A-083 793, EP-A- 111, EP- A-358 209, EP-A-495 332, EP-A-672 792, WO-A-88/06971. For this third type of design, reference may be made, for example, to the following documents: FR-A-2 563 251, FR-A-2 503 206, FR <B> 497216, </ B> FR-A-2 782 , FR-A-2 449 162, FR-A-2 439 268, FR-A-2 412, FR-A-2 411, FR-A-2 391 319, FR-A-2 355 974, EP-A -083,793, EP-A-111, EP-A-358,209, EP-A-495,332, EP-A-672,792, WO-A-88/06971.

Selon un quatrième type de conception, des plaques ou feuilles à base de résine ou de caoutchouc, éventuellement multicouches, sont assemblées entre elles sur un support dur, par exemple en béton. According to a fourth type of design, plates or sheets based on resin or rubber, possibly multilayer, are assembled together on a hard support, for example concrete.

Pour ce quatrième type de conception, on peut se reporter, exemple, aux documents suivants: FR-A-2 520 419, FR-A-2 439 084, FR-A 400 083, FR-A-2 970, EP-A-058 825, EP-A-101 776, EP-140 354, EP-A-718 440, WO-A-82/03234. For this fourth type of design, reference may be made, for example, to the following documents: FR-A-2 520 419, FR-A-2 439 084, FR-A 400 083, FR-A-2 970, EP-A -058 825, EP-A-101,776, EP-140,354, EP-A-718,440, WO-A-82/03234.

La variété des solutions techniques proposées va bien au delà de la typologie schématique présentée ci-dessus. Trois documents de l'état de la technique peuvent, par exemple, être cités pour illustrer cette grande variété des solutions proposées - le document WO-A-98156993 décrit une surface de jeu de type gazon synthétique comprenant des touffes de brins polymères reposant sur une feuille moulée d'amortissement en polypropylène ; - le document EP-A-216 953 décrit un revêtement de court tennis comprenant une moquette aiguilletée et une matière tuftée, surface supérieure étant pourvue de creux dans lesquels est étalé un granulat de liège ; - le document FR-A-2 411 267 décrit un revêtement synthétique comportant une couche support élastomère pourvue de cannelures perforées, et enduite sur une face par deux couches alternées de résine polymérisée et de résine synthétique en poudre. The variety of technical solutions proposed goes well beyond the schematic typology presented above. Three documents of the state of the art can, for example, be cited to illustrate this wide variety of proposed solutions - WO-A-98156993 discloses a synthetic turf playing surface comprising tufts of polymeric strands resting on a molded polypropylene damping sheet; EP-A-216 953 discloses a tennis court covering comprising a needle-punched carpet and a tufted material, upper surface being provided with recesses in which a cork granulate is spread; FR-A-2 411 267 discloses a synthetic coating comprising an elastomeric support layer provided with perforated splines, and coated on one side with two alternating layers of polymerized resin and synthetic resin powder.

La diversité des solutions techniques proposées illustre la fois la complexité des exigences requises pour ce type de surfaces de et le fait qu'aucune des solutions de l'art antérieur ne peut se prévaloir de répondre au mieux à l'ensemble desdites exigences. Parmi les qualités souhaitées pour ces surfaces, en dehors de l'esthétisme et de la facilité d'entretien, peuvent être citées notamment: - la planéité ; - la rugosité : sa valeur conditionne la vitesse de jeu, mais aussi l'usure des balles des chaussures<B>;</B> - l'adhérence : surface antidérapante mais ne bloquant pas les pieds joueurs ; - la possibilité de mise en place précise des tracés de jeux<B>;</B> - la possibilité de coloration à la demande; - l'absorption des ondes de chocs, auxquelles sont sensibles muscles articulations des joueurs. The diversity of the technical solutions proposed illustrates both the complexity of the requirements required for this type of surfaces and the fact that none of the solutions of the prior art can claim to best meet all of said requirements. Among the desired qualities for these surfaces, apart from the aesthetics and ease of maintenance, may be mentioned in particular: - flatness; - the roughness: its value determines the speed of play, but also the wear of the balls of the shoes <B>; </ B> - the adhesion: non-slip surface but not blocking the feet players; - the possibility of precise placement of the game patterns <B>; </ B> - the possibility of coloring on demand; - absorption of shock waves, to which are sensitive muscles joints of the players.

Lorsque les courts sont extérieurs, des exigences supplémentaires doivent être remplies - la présence de flaches doit être très limitée, pour ne pas provoquer de retenues d'eau ; - bonne perméabilité doit être assurée, permettant l'évacuation de l'eau de pluie. Lorsque les surfaces sont imperméables, des pentes transversales de l'ordre de 1 % doivent être mises en place ; - la stabilité en température tant en période de gel que de canicule. L'invention vise à fournir une structure de surface de jeu, notamment pour courts de tennis, satisfaisant aux exigences requises pour une utilisation intérieure assurant de plus une meilleure absorption des chocs que les surfaces connues de l'art antérieur. When the courts are outside, additional requirements must be fulfilled - the presence of whales must be very limited, so as not to cause water retention; - good permeability must be ensured, allowing the evacuation of rainwater. When the surfaces are impermeable, transverse slopes of the order of 1% must be put in place; - Temperature stability in both frost and heat wave. The invention aims to provide a playground surface structure, especially for tennis courts, meeting the requirements for indoor use ensuring more shock absorption than the known surfaces of the prior art.

A cette fin, l'invention se rapporte, selon un premier aspect, à un revêtement sol sportif, en particulier pour courts de tennis ou surfaces équivalentes, ce revêtement comprenant une première couche, d'amortissement, une deuxième couche, formée par l'assemblage de plaques de bois, et une troisième couche, de finition, la première couche étant réalisée à base de polymère expansé. To this end, the invention relates, according to a first aspect, to a sporty floor covering, in particular for tennis courts or equivalent surfaces, this covering comprising a first cushioning layer, a second layer, formed by the assembly of wood plates, and a third layer, finishing, the first layer being made of expanded polymer.

Le revêtement présente en outre, selon diverses réalisations, les caractères suivants, éventuellement combinés - la première couche, inférieure, est formée par l'assemblage de dalles de polymère expansé poreux; - les dalles de polymère expansé poreux présentent densités comprises entre 30 et 60g11 environ et des porosités de l'ordre de ; - les dalles de polymère expansé poreux présentent, pour une hauteur de chute comprise entre 7 et 13cm, une vitesse de rebond comprise entre 0.5 et 0.8mis environ et une déformation maximale comprise entre 6 et 12 millimètres environ ; - le polymère utilisé pour la première couche est un polypropylène ou tout autre matériau équivalent ; - la face inférieure de la première couche est pourvue d'un réseau de gorges ; - première couche est en appui sur un sous bassement sensiblement rigide, appui s'effectuant uniquement par les entretoises séparant les gorges; - film d'isolation en polyane est disposé sur la face inférieure de la première couche; - la deuxième couche forme un plancher en double nappe ; - nappes de la deuxième couche sont formées par l'assemblage de plaques bouvetées bord à bord, chaque plaque de la nappe supérieure étant fixée plaques sous jacentes de la nappe inférieure, la fixation étant assurée par des vis pénétrant dans des taraudages complémentaires, ou par tout autre moyen equivalent ; - plaques de la nappe inférieure sont de dimensions, hors l'épaisseur, sensiblement identiques à celles de la nappe supérieure, et sont décalées par rapport à celles ci de sorte que les jointures des plaques de la nappe inférieure ne soient pas placées en regard des jointures des plaques de la nappe supérieure; - troisième couche, de finition, est une résine acrylique chargée en sable ou autre matériau équivalent. The coating further has, according to various embodiments, the following characters, optionally combined - the first, lower layer is formed by the assembly of porous expanded polymer slabs; the porous expanded polymer slabs have densities of between approximately 30 and 60 g and porosities of the order of; - The porous expanded polymer slabs have, for a drop height of between 7 and 13 cm, a rebound rate of between 0.5 and 0.8mis approximately and a maximum deformation of between 6 and 12 millimeters approximately; the polymer used for the first layer is a polypropylene or any other equivalent material; the lower face of the first layer is provided with a network of grooves; - First layer is supported on a sub-basement substantially rigid, supported only by the spacers separating the grooves; polyane insulation film is disposed on the underside of the first layer; the second layer forms a double-ply floor; - plies of the second layer are formed by the assembly of plaster plates edge to edge, each plate of the upper ply being fixed underlying plates of the lower ply, the fixing being provided by screws penetrating into complementary threads, or by any other equivalent means; - Plates of the lower ply are of dimensions, outside the thickness, substantially identical to those of the upper ply, and are offset with respect to those ci so that the joints of the plates of the lower ply are not placed opposite the joints of the plates of the upper layer; - third layer, finished, is an acrylic resin loaded with sand or other equivalent material.

Selon un mode de réalisation particulier, le revêtement comprend - première couche en dalles de polypropylène expansé revêtue d'une couche d'isolation en polyane, - deuxième couche en double nappe de planches de bois, - troisième couche de finition en résine, la première couche ayant une épaisseur comprise entre 10 et 40 millimètres, deuxième couche ayant une épaisseur de l'ordre de 20 millimètres, la couche d'isolation ayant une épaisseur de l'ordre de 150 microns, ledit revêtement présentant une réduction de force de l'ordre de 30%. According to one particular embodiment, the coating comprises: first layer of expanded polypropylene slabs coated with a polyane insulation layer; second layer of double ply of wood planks; third resin topcoat, the first layer having a thickness of between 10 and 40 millimeters, the second layer having a thickness of the order of 20 millimeters, the insulation layer having a thickness of the order of 150 microns, said coating having a reduction in force of the order of 30%.

D'autres objets et avantages de l'invention apparaîtront au cours de description suivante de modes de réalisation, description qui va être effectuée en se "férant à la figure unique annexée qui est une vue en coupe transversale schématique d'une structure de surface synthétique de jeu selon un mode réalisation de l'invention. Other objects and advantages of the invention will become apparent from the following description of embodiments, which description will be made with reference to the attached single figure which is a schematic cross-sectional view of a synthetic surface structure. game according to one embodiment of the invention.

cette figure est représentée une surface de jeu formée par - première couche 1, inférieure, d'amortissement; - une deuxième couche 2, supérieure, formant plancher, pourvue d'une troisième couche formant revêtement de finition 3. this figure is represented a playing surface formed by - first layer 1, lower, damping; - a second upper layer 2, forming a floor, provided with a third layer forming a finishing coating 3.

Pour faciliter la compréhension de la figure annexée, les épaisseurs relatives des couches ne sont pas respectées. To facilitate the understanding of the appended figure, the relative thicknesses of the layers are not respected.

La première couche 1 repose, dans un mode de mise en oeuvre, sur film d'isolation, par exemple un film en polyane de 150 microns d'épaisseur, non représenté. The first layer 1 rests, in one embodiment, on an insulating film, for example a polyane film 150 microns thick, not shown.

Dans un mode de réalisation, non représenté, la première couche 1 montée sur des plots formant coussinet d'amortissement, reposant sur un sous bassement sensiblement rigide, tel que par exemple une chape de béton. In one embodiment, not shown, the first layer 1 mounted on pads forming a damping pad, resting on a sub-base substantially rigid, such as for example a concrete screed.

Les coussinets d'amortissement, dans un mode de mise en oeuvre, sont de type composite et élaborés à base de granulés de caoutchouc liés par résine polyuréthane, les granulés étant répartis de manière sensiblement uniforme dans la matrice en polyuréthane. The damping bearings, in one embodiment, are of the composite type and are based on polyurethane resin-bonded rubber granules, the granules being distributed substantially uniformly in the polyurethane matrix.

Les coussinets d'amortissement sont par exemple de section carrée 10 cm de côté et de quelques centimètres de haut. The damping pads are for example of square section 10 cm side and a few centimeters high.

Ces coussinets d'amortissement sont, dans un mode de mise en oeuvre régulièrement espacés, par exemple sur un réseau à maille carrée de 30 cm côté. These damping pads are, in a regularly spaced embodiment, for example on a 30 cm square mesh network side.

Dans le mode de réalisation représenté, la première couche 1 repose directement sur un sous bassement 4 sensiblement rigide, la face inférieure 5 de la couche 1 étant pourvue d'un réseau de gorges 6. réseau de gorge 6 confère une capacité d'amortissement accrue à la surface jeu, la couche 1 étant en appui sur le sous bassement 4 uniquement par les entretoises 7 séparant les gorges 6, ces entretoises 7 étant dimensionnées, ainsi que saura le réaliser un homme du métier, de sorte à être déformées de manière élastique sous l'effet du poids statique ou dynamique des joueurs. In the embodiment shown, the first layer 1 rests directly on a substantially rigid underbody 4, the lower face 5 of the layer 1 being provided with a network of grooves 6. The groove network 6 confers an increased damping capacity at the free surface, the layer 1 being supported on the underbody 4 only by the spacers 7 separating the grooves 6, these spacers 7 being dimensioned, as will be realized by a skilled person, so as to be elastically deformed under the effect of the static or dynamic weight of the players.

Ce réseau de gorges 6 forme cannelures d'écoulement de fluides tel qu'air ou eau. This network of grooves 6 forms grooves flow of fluids such as air or water.

II est entendu que la couche 1 pourvue de cannelures sur sa inférieure 5 peut reposer sur des coussinets ou être disposée directement sur sous bassement rigide. It is understood that the layer 1 provided with grooves on its bottom 5 can rest on pads or be placed directly on under rigidly basement.

Le réseau des cannelures peut par exemple être formé par le croisement à angle droit de deux séries de gorges sensiblement parallèles et régulièrement espacées. The network of grooves may for example be formed by crossing at right angles two series of grooves substantially parallel and regularly spaced.

La première couche 1 est formée, dans un mode de réalisation, par l'assemblage de dalles de polypropylène expansé poreux. De telles plaques sont par exemples commercialisées par la société JSP International sous la dénomination Porous Arpro . Ces plaques présentent les propriétés suivantes - densité (g11): 45; porosité (%): 30 ; - épaisseur: 10 à 30mm ; poids: 0.9 kg pour une épaisseur de 10mm et une surface de 2 m2, 2,7kg pour une épaisseur de 30mm et une surface de 2m2.

Figure img00070001
The first layer 1 is formed, in one embodiment, by the assembly of porous expanded polypropylene slabs. Such plates are for example marketed by JSP International under the name Porous Arpro. These plates have the following properties - density (g11): 45; porosity (%): 30; - thickness: 10 to 30mm; weight: 0.9 kg for a thickness of 10mm and a surface of 2 m2, 2.7kg for a thickness of 30mm and a surface of 2m2.
Figure img00070001

<B>Nature <SEP> du <SEP> test <SEP> Hauteur <SEP> de <SEP> Unités <SEP> de <SEP> Résultats <SEP> pour <SEP> plaques <SEP> Porous <SEP> Résultats <SEP> pour <SEP> plaques <SEP> Porous</B>
<tb> <B>chute <SEP> (cm) <SEP> test <SEP> Arpro</B> <SEP> <SEP> <B>de <SEP> 10mm <SEP> d'épaisseur <SEP> Arpro</B> <SEP> <SEP> <B>de <SEP> 28mm <SEP> d'épaisseur</B>
<tb> <B>Valeur <SEP> g <SEP> 7 <SEP> NIA <SEP> 38</B> <SEP> <B>NIA <SEP> 47</B>
<tb> <B>13 <SEP> NIA <SEP> 54 <SEP> 28</B>
<tb> Vitesse <SEP> de <SEP> 7 <SEP> <B>MIS</B> <SEP> 0.52 <SEP> <B>rebond</B>
<tb> <B>m/s <SEP> 0.62</B>
<tb> <B>13 <SEP> MIS <SEP> 0.67 <SEP> 0.78</B>
<tb> <B>Déformation <SEP> 7 <SEP> mm <SEP> 6</B> <SEP> <B>maximale</B>
<tb> <B>10 <SEP> mm <SEP> 7</B>
<tb> <B>mm <SEP> 8 <SEP> 11,2</B>
<tb> <B><U>Tableau <SEP> I- <SEP> Tests <SEP> physiques <SEP> sur <SEP> plaques <SEP> de <SEP> polypropylène <SEP> Porous <SEP> Arpro</U></B><U> <SEP> ,</U>
<tb> <B><U>conformités <SEP> aux <SEP> exigences <SEP> des <SEP> normes <SEP> P90104 <SEP> et <SEP> P90112</U></B>
<tb> <B><U>(source <SEP> fabricant).</U></B>
<tb> <B>Propriétés <SEP> physiques <SEP> Méthode <SEP> de <SEP> test <SEP> unités <SEP> Produit</B> <SEP> testé: <SEP> <B>Produit <SEP> testé</B>
<tb> <B>Arpro <SEP> X9702, <SEP> Arpro <SEP> X9702,</B>
<tb> 30g!1 <SEP> 40g!1
<tb> Résistance <SEP> à <SEP> la <SEP> compression <SEP> ISO <SEP> 844 <SEP> kPa
<tb> <B>DIN53421</B>
<tb> <B>Vitesse <SEP> de</B> <SEP> test<B>: <SEP> 5mm/min</B>
<tb> <B>A <SEP> 25% <SEP> de <SEP> déformation <SEP> 85 <SEP> 120</B>
<tb> A <SEP> 50<B>%</B> <SEP> de <SEP> déformation <SEP> 150 <SEP> 200
<tb> <B>A <SEP> 75% <SEP> de <SEP> déformation <SEP> 390 <SEP> 530</B>
<tb> <B>Résistance <SEP> à <SEP> la <SEP> flamme <SEP> FMVSS <SEP> 302 <SEP> mm/min <SEP> 75 <SEP> 70</B>
<tb> <B>1S03795</B>
<tb> <B>Epaisseur <SEP> échantillon <SEP> 12,5mm</B>
<tb> <B>Compression <SEP> 1S01856</B> <SEP> % <SEP> <B>9 <SEP> 10</B>
<tb> <B>22H/23 C/25% <SEP> enfoncement</B>
<tb> Stabilisation: <SEP> <B>24h</B>
<tb> <B>Compression <SEP> 1S053577 <SEP> kPa <SEP> 40 <SEP> 55</B>
<tb> <B>a <SEP> Stauchhàrte <SEP> <SEP> Taille <SEP> échantillon <SEP> 60`60'30</B>
<tb> <B><U>Tableau <SEP> Performances <SEP> des <SEP> plaques <SEP> Arpro <SEP> X9702, <SEP> densités <SEP> testées</U></B>
<tb> <B><U>30g!1, <SEP> 40p11 <SEP> (sources <SEP> fabricant).</U></B> La première couche 1 en polymère expansé est disposée en dessous de la couche 2 formée, dans un mode de mise en oeuvre, par un plancher en double nappe CTBH, ces nappes étant fixées entre elles par vissage. <B> Nature <SEP> of <SEP> test <SEP> Height <SEP> of <SEP> Units <SEP> of <SEP> Results <SEP> for <SEP> plates <SEP> Porous <SEP> Results <SEP > for <SEP> plates <SEP> Porous </ B>
<tb><B> fall <SEP> (cm) <SEP> test <SEP> Arpro </ B><SEP><SEP><B> of <SEP> 10mm <SEP> of thickness <SEP> Arpro < / B><SEP><SEP><B> of <SEP> 28mm <SEP> thick </ B>
<tb><B> Value <SEP> g <SEP> 7 <SEP> NIA <SEP> 38 </ B><SEP><B> NIA <SEP> 47 </ B>
<tb><B> 13 <SEP> NIA <SEP> 54 <SEP> 28 </ B>
<tb> Speed <SEP> of <SEP> 7 <SEP><B> MIS </ B><SEP> 0.52 <SEP><B> Bounce </ B>
<tb><B> m / s <SEP> 0.62 </ B>
<tb><B> 13 <SEP> MISS <SEP> 0.67 <SEP> 0.78 </ B>
<tb><B> Deformation <SEP> 7 <SEP> mm <SEP> 6 </ B><SEP><B> Maximum </ B>
<tb><B> 10 <SEP> mm <SEP> 7 </ b>
<tb><B> mm <SEP> 8 <SEP> 11.2 </ b>
<tb><B><U> Table <SEP> I- <SEP> Physical <SEP> Tests <SEP> on <SEP><SEP> Plates <SEP> Polypropylene <SEP> Porous <SEP> Arpro </ U </ B><U><SEP>,</U>
<tb><B><U> SEP compliance <SEP> requirements <SEP><SEP> standards <SEP> P90104 <SEP> and <SEP> P90112 </ U></U>
<tb><B><U> (source <SEP> manufacturer). </ U></B>
<tb><B> Physical <SEP> Properties <SEP><SEP><SEP> Test <SEP> Unit <SEP><SEP> Tested <SEP> Test <SEP><B> Product <SEP> tested </ B>
<tb><B> Arpro <SEP> X9702, <SEP> Arpro <SEP> X9702, </ B>
<tb> 30g! 1 <SEP> 40g! 1
<tb> Resistance <SEP> to <SEP><SEP> Compression <SEP> ISO <SEP> 844 <SEP> kPa
<tb><B> DIN53421 </ B>
<tb><B><SEP> speed of <SEP><B> test: <SEP> 5mm / min </ B>
<tb><B> A <SEP> 25% <SEP> of <SEP> Deformation <SEP> 85 <SEP> 120 </ B>
<tb> A <SEP> 50 <B>% </ B><SEP> of <SEP> deformation <SEP> 150 <SEP> 200
<tb><B> A <SEP> 75% <SEP> of <SEP> Deformation <SEP> 390 <SEP> 530 </ B>
<tb><B> Resistance <SEP> to <SEP><SEP> flame <SEP> FMVSS <SEP> 302 <SE> mm / min <SEP> 75 <SEP> 70 </ B>
<tb><B> 1S03795 </ b>
<tb><B> Thickness <SEP> Sample <SEP> 12.5mm </ B>
<tb><B> Compression <SEP> 1S01856 <SEP>% <SEP><B> 9 <SEP> 10 </ B>
<tb><B> 22H / 23C / 25% <SEP> sink </ B>
<tb> Stabilization: <SEP><B> 24h </ B>
<tb><B> Compression <SEP> 1S053577 <SEP> kPa <SEP> 40 <SEP> 55 </ B>
<tb><B><SEP> Stauchhàrte <SEP><SEP> Size <SEP> Sample <SEP>60`60'30</B>
<tb><B><U> Table <SEP> Performance <SEP> of <SEP> plates <SEP> Arpro <SEP> X9702, <SEP><SEP> densities tested </ U></B>
<tb><B><U> 30g! 1, <SEP> 40p11 <SEP> (sources <SEP> manufacturer). </ U></B> The first layer 1 of expanded polymer is disposed below the layer 2 formed, in one embodiment, by a CTBH double layer floor, these sheets being fixed together by screwing.

Ainsi, exemple, une premier nappe 8 de dix millimètres d'épaisseur environ peut etre fixée à une seconde nappe 9 de dix à quinze millimètres d'épaisseur environ. Thus, for example, a first ply 8 approximately ten millimeters thick may be attached to a second ply 9 approximately ten to fifteen millimeters thick.

Ces nappes 8,9 peuvent être formées par l'assemblage de plaques bouvetées bord à bord, chaque plaque de la nappe supérieure étant fixée, à ses quatre angles, aux plaques sou jacentes de la nappe inférieure, la fixation étant assurée par des vis pénétrant dans des taraudages complémentaires, ou par tout autre moyen équivalent. These plies 8, 9 may be formed by the assembly of plaster plates edge to edge, each plate of the upper ply being fixed, at its four corners, to the underlying plates of the lower ply, the attachment being provided by penetrating screws. in complementary threads, or by any other equivalent means.

Les plaques de la nappe inférieure 8 peuvent être de dimensions, hors l'épaisseur, sensiblement identiques à celles de la nappe supérieure 9, et être décalées rapport à celles ci de sorte que les jointures des plaques de la nappe inferieure ne soient pas placées en regard des jointures des plaques de la nappe supérieure. The plates of the lower ply 8 may be of dimensions, outside the thickness, substantially identical to those of the upper ply 9, and be shifted relative to those ci so that the joints of the plates of the lower ply are not placed in position. look at the joints of the plates of the upper sheet.

Le revetement 3 est par exemple une résine acrylique chargée en sable ou autre materiau équivalent. The coating 3 is for example an acrylic resin loaded with sand or other equivalent material.

Le tableau III ci dessous illustrent les résultats obtenus lors tests de l'athlète de Berlin/Stuttgart, pour une surface formée par une couche en dalles de polypropylène expansé, revêtue d'une couche 2 en plancher 22mm d'épaisseur, revêtue d'une couche de finition 3 en résine G7. Les essais ont étés conduits suivant les recommandations du guide ITF CS04101. Ils consistent essentiellement à mesurer le taux d'amortissement de la surface par comparaison à une surface de béton prise comme référence. Les conditions d'essais étaient les suivantes : température de l'air et de la surface à tester 23 C, humidité relative de l'air dans l'ambiance de test: 69%.

Figure img00080014
Table III below illustrates the results obtained during the tests of the athlete from Berlin / Stuttgart, for a surface formed by a layer of expanded polypropylene slabs, coated with a layer 2 of 22mm thick floor, coated with a topcoat 3 resin G7. The tests were conducted according to the recommendations of ITF guide CS04101. They consist essentially of measuring the rate of damping of the surface compared to a concrete surface taken as a reference. The test conditions were as follows: air temperature and surface to be tested 23 C, relative humidity of the air in the test environment: 69%.
Figure img00080014

Echantillon <SEP> testé <SEP> Réduction <SEP> de <SEP> force <SEP> % <SEP> (résultats <SEP> des <SEP> trois <SEP> essais)
<tb> 45g/1 <SEP> 33131<B>1</B>31, <SEP> moyenne <SEP> : <SEP> 31
<tb> 45g11 <SEP> ajouré <SEP> 30129l29, <SEP> moyenne <SEP> : <SEP> 29
<tb> 60g!1 <SEP> 30<B>1</B>28128, <SEP> moyenne <SEP> : <SEP> 28
<tb> ( <SEP> 6091l <SEP> ajouré <SEP> l <SEP> 24/23l23, <SEP> moyenne <SEP> : <SEP> 23
<tb> Tableau <SEP> III.Sample <SEP> tested <SEP> Reduction <SEP> of <SEP> strength <SEP>% <SEP> (results <SEP> of <SEP> three <SEP> tests)
<tb> 45g / 1 <SEP> 33131 <B> 1 </ B> 31, <SEP> mean <SEP>: <SEP> 31
<tb> 45g11 <SEP> openwork <SEP> 30129l29, <SEP> average <SEP>: <SEP> 29
<tb> 60g! 1 <SEP> 30 <B> 1 </ B> 28128, <SEP> mean <SEP>: <SEP> 28
<tb>(<SEP> 6091l <SEP> openwork <SEP> l <SEP> 24 / 23l23, <SEP> average <SEP>: <SEP> 23
<tb> Table <SEP> III.

La surface obtenue présente selon la classification du guide ITF CS 04I01, une capacité d'absorption dans le haut de la fourchette dite modérée . The surface obtained according to the classification of the guide ITF CS 04I01, an absorption capacity in the upper end of the so-called moderate range.

Claims (13)

<B>REVENDICATIONS</B><B> CLAIMS </ B> 1. Revêtement de sportif, en particulier pour court de tennis ou surfaces équivalentes, ce revetement comprenant - une première couche d'amortissement ; - une deuxième couche formée par l'assemblage de plaques de bois ; - une troisième couche de finition ; caractérisé en ce que la première couche (1) est réalisée à base de polymère expansé.Sportswear coating, in particular for tennis courts or equivalent surfaces, this covering comprising: a first cushioning layer; a second layer formed by the assembly of wooden plates; a third finishing layer; characterized in that the first layer (1) is made of expanded polymer. 2. Revêtement de sportif selon la revendication 1, caractérisé en ce que la première couche (1 inférieure, est formée par l'assemblage de dalles de polymère expansé poreux.2. Sportswear coating according to claim 1, characterized in that the first layer (1 lower, is formed by the assembly of porous foam polymer slabs. 3. Revêtement de sol sportif selon la revendication 2,<B>caractérisé</B> en ce que les dalles de polymère expansé poreux présentent des densités comprises entre 30 et 60g!1 environ et porosités de l'ordre de 30%.3. sports floor covering according to claim 2, characterized in that the porous expanded polymer slabs have densities of between 30 and 60 g -1 approximately and porosities of the order of 30%. 4. Revêtement de sportif selon l'une quelconque des revendications 2 ou 3, caractérisé en ce que les dalles de polymère expansé poreux présentent, pour une hauteur de chute comprise entre 7 et 13cm, une vitesse de rebond comprise entre 0.5 et 0.8m/s environ et une déformation maximale comprise entre 6 et 12 millimètres environ.4. sportswear coating according to any one of claims 2 or 3, characterized in that the expanded porous polymer slabs have, for a height of between 7 and 13cm drop, a rebound speed of between 0.5 and 0.8m / s approximately and a maximum deformation of between 6 and 12 millimeters approximately. 5. Revêtement de sol sportif selon l'une quelconque des revendications 1 à 4,<B>caractérisé</B> en ce que le polymère utilisé pour la première couche (1) est un polypropylène ou tout autre matériau équivalent.Sports floor covering according to one of Claims 1 to 4, characterized in that the polymer used for the first layer (1) is polypropylene or any other equivalent material. 6. Revêtement de sol sportif selon l'une quelconque des revendications 1 à 5, caractérisé en ce la face inférieure (6) de la première couche (1) est pourvue d'un réseau de gorges (7).6. Sports floor covering according to any one of claims 1 to 5, characterized in that the lower face (6) of the first layer (1) is provided with a groove network (7). 7. Revêtement de sportif selon la revendication 6,<B>caractérisé</B> en ce que la première couche est en appui sur un sous bassement sensiblement rigide (5), cet appui s'effectuant uniquement par les entretoises (7) séparant les gorges (6).7. Sportswear according to claim 6, characterized in that the first layer is supported on a sub-base substantially rigid (5), this support is performed only by the spacers (7) separating the throats (6). 8. Revêtement de sportif selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu film d'isolation en polyane est disposé sur la face inférieure de la première couche.8. sportswear coating according to any one of claims 1 to 7, characterized in that the polyane insulation film is disposed on the underside of the first layer. 9. Revêtement de sol sportif selon l'une quelconque des revendications 1 à 8,<B>caractérisé</B> en ce que la deuxième couche (2) forme un plancher en double nappe.9. sports floor covering according to any one of claims 1 to 8, characterized in that the second layer (2) forms a double-ply floor. 10. Revêtement de sol sportif selon la revendication 9, caracterisé en ce que les nappes de la deuxième couche (2) sont formées par l'assemblage de plaques bouvetées bord à bord, chaque plaque de la nappe supérieure étant fixée aux plaques sou jacentes de la nappe inférieure, la fixation étant assurée par des vis pénétrant dans des taraudages complémentaires, ou tout autre moyen équivalent.10. sports floor covering according to claim 9, characterized in that the plies of the second layer (2) are formed by the assembly of plaster plates edge to edge, each plate of the upper ply being attached to the plates of the lower sheet, the fixing being provided by screws penetrating into complementary threads, or any other equivalent means. 11. Revêtement de sol sportif selon la revendication 10, caractérisé en ce que les plaques de la nappe inférieure (8) sont de dimensions, hors l'épaisseur, sensiblement identiques à celles de la nappe supérieure , et sont décalées rapport à celles ci de sorte que les jointures des plaques de la nappe inférieure (8) ne soient pas placées en regard des jointures des plaques de la nappe supérieure (9).11. sports floor covering according to claim 10, characterized in that the plates of the lower ply (8) are of dimensions, outside the thickness, substantially identical to those of the upper ply, and are shifted relative to those ci of so that the joints of the plates of the lower ply (8) are not placed opposite the joints of the plates of the upper ply (9). 12. Revêtement de sol sportif selon l'une quelconque des revendications 1 à 11,<B>caractérisé</B> en ce que la troisième couche, de finition, est une résine acrylique chargée en sable ou autre matériau équivalent.12. sports floor covering according to any one of claims 1 to 11, characterized in that the third, finishing layer is an acrylic resin loaded with sand or other equivalent material. 13. Revêtement de sol sportif selon la revendication 1,<B>caractérisé</B> en ce qu'il comprend - une première couche (1) en dalles de polypropylène expansé revêtue d'une couche d'isolation en polyane, - une deuxième couche (2) en double nappe de planches de bois, - une troisième couche de finition (3) en résine, la première couche (1) ayant une épaisseur comprise entre 10 et 40 millimètres, la deuxième couche (2) ayant une épaisseur de l'ordre de 20 millimètres, la couche d'isolation ayant une épaisseur de l'ordre de 150 microns, ledit revêtement présentant une réduction de force de l'ordre de 30%.The sports floor covering of claim 1, characterized by comprising: a first layer (1) of expanded polypropylene slabs coated with a polyane insulation layer; second layer (2) in double ply of wood planks; - a third finishing layer (3) of resin, the first layer (1) having a thickness of between 10 and 40 millimeters, the second layer (2) having a thickness of of the order of 20 millimeters, the insulation layer having a thickness of the order of 150 microns, said coating having a force reduction of the order of 30%.
FR0003939A 2000-03-29 2000-03-29 SPORTS FLOORING, ESPECIALLY FOR TENNIS COURTS AND OTHER BALL GAMES Expired - Fee Related FR2807078B1 (en)

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WO2006007862A1 (en) * 2004-07-16 2006-01-26 Gebr. Wunderlich Gmbh & Co. Kg Sports floor and method for producing an elastic cushioning layer
CN103085402A (en) * 2013-02-04 2013-05-08 苏春 High-stimulation fur fabric and its making method
DE102015217444A1 (en) * 2015-09-11 2017-03-16 Bsw Berleburger Schaumstoffwerk Gmbh Outdoor sports flooring, process for its manufacture

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EP0718440A1 (en) 1994-12-19 1996-06-26 Sportförderung Peter Küng AG Elastic article of plastic material for floor covering
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EP0058825A1 (en) 1981-02-24 1982-09-01 WEGU Gummi- und Kunststoffwerke Walter Dräbing KG Resilient safety surfacing slab
EP0063111A2 (en) 1981-03-09 1982-10-20 Harald Dipl.-Ing. Schobermayr Surfacing for sports grounds, particularly for tennis courts, and a method of producing the surfacing material
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WO2006007862A1 (en) * 2004-07-16 2006-01-26 Gebr. Wunderlich Gmbh & Co. Kg Sports floor and method for producing an elastic cushioning layer
CN103085402A (en) * 2013-02-04 2013-05-08 苏春 High-stimulation fur fabric and its making method
CN103085402B (en) * 2013-02-04 2015-07-08 苏春 High-stimulation fur fabric and its making method
DE102015217444A1 (en) * 2015-09-11 2017-03-16 Bsw Berleburger Schaumstoffwerk Gmbh Outdoor sports flooring, process for its manufacture

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