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WO2006109110A1 - Structure de gazon artificiel et procede de fabrication - Google Patents

Structure de gazon artificiel et procede de fabrication Download PDF

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Publication number
WO2006109110A1
WO2006109110A1 PCT/IB2005/003144 IB2005003144W WO2006109110A1 WO 2006109110 A1 WO2006109110 A1 WO 2006109110A1 IB 2005003144 W IB2005003144 W IB 2005003144W WO 2006109110 A1 WO2006109110 A1 WO 2006109110A1
Authority
WO
WIPO (PCT)
Prior art keywords
peat
filling layer
similar
layer
infill
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.)
Ceased
Application number
PCT/IB2005/003144
Other languages
English (en)
Inventor
Maurizio Gilardi
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.)
Italgreen SpA
Original Assignee
Italgreen SpA
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 Italgreen SpA filed Critical Italgreen SpA
Publication of WO2006109110A1 publication Critical patent/WO2006109110A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds

Definitions

  • artificial turfs in particular for sports fields, consist of a synthetic mat formed by a sheet substrate from which there extend vertically filaments which simulate a natural greensward; infill materials are arranged between the filaments to form one or more filling layers; the infill materials most commonly used are sand and relatively resilient polymeric materials (mainly natural or synthetic rubber, but also thermoplastic materials of various types) , which are either mixed together or arranged in layers, according to various methods.
  • the present invention therefore relates to an artificial turf structure, in particular for sports fields, and to the method for manufacturing thereof, as defined in attached claims 1 and 20 respectively.
  • peat or other analogous material allows to make structures with entirely artificial greensward (that is free from natural grass) but which reproduces both the performance and sensorial features of a natural turf.
  • peat allows to obtain particularly soft and elastic, not abrasive, filling layers with a high drainage capacity and capable of at the same time maintaining an adequate degree of humidity and therefore humid and cool in summer and in particularly hot and dry climates .
  • the users therefore receive from the structure according to the invention the same sensations as a natural grass field (softness, elasticity, low abrasiveness, right degree of humidity and coolness, odour) .
  • fibrous/filamentous structure typical of peat and analogous materials of prevalently vegetable origin, which although decomposed, partially carbonised or otherwise transformed, maintain some of the features of the original vegetable organisms.
  • the fibrous/filamentous structure then incorporates and withholds possible particulate materials which are added to the filling layer, for example sand.
  • the costs of manufacturing of the structure according to the invention are considerably contained, because peat and analogous materials have generally low costs, usually lower than those of synthetic infill materials (elastomeric granules) .
  • FIG. 1 schematically shows a first embodiment of the artificial turf structure according to the invention
  • FIG. 2 schematically shows a second embodiment of the artificial turf structure according to the invention.
  • an artificial turf structure 1 for sports fields comprises a synthetic mat 2, having a sheet substrate 3 from which grass- resembling filaments 4 project, and a filling layer 5 formed by infill material arranged between the filaments 4.
  • the mat 2 is placed on a foundation base 7, for example a tamped earth bed.
  • the substrate 3 consists of a sheet or tape of suitable plastic materials, in particular a fabric, a non-woven fabric or a felt made of synthetic rubber, for example styrene-butadiene rubber (SBR) , or of synthetic fibres, for example polypropylene or similar, possibly spread or coated with suitable polymeric reinforcement layers.
  • SBR styrene-butadiene rubber
  • the filaments 4, made of suitable yarns, for example polyethylene, polyamide, polypropylene, etcetera, are sewn or woven on the substrate 3.
  • the filling layer 5 comprises peat and/or other similar natural organic material derived from vegetable residues .
  • peat "similar material” is referred to a natural organic material with fibrous/filamentous structure of prevalently vegetable origin, in particular essentially or prevalently derived from decomposition, carbonising or other kind of transformation of vegetable residues, such as indeed peat, vegetable topsoil, vegetable based composting materials, etcetera.
  • the peat and/or similar material are present in the filling layer 5 in ground, chopped or shredded form.
  • the filling layer 5 also comprises a rigid particulate material, namely sand in granular form which is commonly used as filling material for artificial turfs.
  • the peat and/or similar material and the rigid particulate material (sand) may be mixed together and arranged in layers (each layer being formed by only one of the materials or by their mixture) to form the filling layer 5.
  • the filling material forming the filling layer 5 is a mixture of peat and/or similar material and rigid particulate material (sand) .
  • the filling layer 5 contains peat or similar material in a quantity from about 10 to about 90% by volume.
  • the filling layer 5 also comprises a germination inhibitor and/or herbicide substance, adapted to avoid the growth of natural grass, and an antifreeze additive, of any known type and dispersed in the infill material and in particular in the peat or similar material.
  • the filling layer 5 comprises salt (sodium chloride) , which prevents the growth of natural grass and at the same time lowers the ice forming temperature, and which is dispersed in the peat and/or similar material.
  • the filling layer 5 also optionally comprises a resilient particulate material, such as rubber, of any type usually employed for infilling artificial turfs (for example natural or synthetic rubber, thermoplastic elastomers, etcetera) and in any appropriate amount to obtain the specific elastic characteristics of the filling layer 5.
  • a resilient particulate material such as rubber, of any type usually employed for infilling artificial turfs (for example natural or synthetic rubber, thermoplastic elastomers, etcetera) and in any appropriate amount to obtain the specific elastic characteristics of the filling layer 5.
  • the peat and/or similar material may be replaced, partially or entirely, by a volcanic origin porous material in granular form, for example volcanic lapillus, pumice stone, etcetera, having a granulometry from about 0.2 to about 2.0 mm.
  • a volcanic origin porous material in granular form for example volcanic lapillus, pumice stone, etcetera, having a granulometry from about 0.2 to about 2.0 mm.
  • the peat and/or similar material and the resilient particulate material, and possibly the rigid particulate material (sand) and/or the porous volcanic material if present, may be mixed together or arranged in layers (each layer being formed by only one of the materials or by their mixture) to form the filling layer 5.
  • the filling layer 5 may indeed comprise a plurality of layers, each having different composition, for example layers formed essentially or prevalently of rigid particulate material (sand) ; of peat and/or similar material; of mixtures of peat and/or similar material and sand; of mixtures of peat and/or similar material and resilient particulate material (rubber) ; etcetera.
  • sand rigid particulate material
  • the filling layer 5 comprises a layer 11 of rigid particulate material (sand) , positioned immediately over the substrate 3, and a layer 12 superimposed on the layer 11 and comprising peat and/or similar material.
  • sand rigid particulate material
  • the layer 11 essentially or prevalently consists of sand granules and constitutes from about 10% to about 30% by volume the entire filling layer 5, having for example a thickness from approximately 10 to approximately 40 mm and preferably of approximately 20-30 mm;
  • the layer 12 is made of a mixture of peat and/or similar material and sand in granules and has a thickness from approximately 30 to approximately 80 mm and preferably approximately 40-50 mm, and such that it leaves uncovered a terminal length of approximately 3-7 mm of the filaments 4.
  • the layer 12 contains peat or similar material in a quantity from about 10 to about 90% by volume.
  • the layer 12 contains germination inhibitor and/or herbicide substances and antifreeze additives, for example salt, as already described with reference to figure 1.
  • the layer 12 may contain, in partial or complete replacement of the peat and/or the similar material, a porous material of volcanic origin in granular form, such as volcanic lapillus, pumice stone, etcetera, always with a granulometry from about 0.2 to about 2.0 mm.
  • a porous material of volcanic origin in granular form such as volcanic lapillus, pumice stone, etcetera
  • the structure 1 according to the invention is made using the following method.
  • the foundation base 7 After having prepared the foundation base 7 in the known way, it is placed on the foundation base 7 the synthetic mat 2 formed by the substrate 3 and by the filaments 4.
  • the infill material comprising peat and/or similar material is prepared; in the infill material preparation step, the peat and/or the similar material are ground, chopped or shredded, then mixed with the rigid particulate material (sand) and, optionally, with the resilient particulate material such as rubber, in the appropriate amounts; the infill material is also added with the germination inhibitor and/or the herbicide substance and the antifreeze additive.
  • the preparation step of the infill material comprise the addition of such material, which has been preventively ground to obtain the required granulometry.
  • the infill material thus prepared is then sprinkled onto the substrate 3 between the filaments 4 to form the filling layer 5.
  • the structure 1 comprises several layers with different composition, as described above, the layers are applied in sequence one on top of the other (after having possibly prepared the mixtures of materials forming the various layers) .
  • the filling layer 5 also comprises a coconut-based vegetable material or other similar vegetable material in fibrous, ground and/or shredded form, wherein it is hereinafter intended for "vegetable material” an essentially not decomposed vegetable material, obtained by vegetable organisms of recent formation and not yet subject to degenerative processes, such as decomposition, rotting, degrading, fossilisation, carbonising, etcetera (and which is therefore distinguished from peat and similar materials as defined above, which are of vegetable origin but which have undergone substantial transformation processes, such as decomposition, carbonisation, fossilisation, etcetera) .
  • vegetable material an essentially not decomposed vegetable material, obtained by vegetable organisms of recent formation and not yet subject to degenerative processes, such as decomposition, rotting, degrading, fossilisation, carbonising, etcetera (and which is therefore distinguished from peat and similar materials as defined above, which are of vegetable origin but which have undergone substantial transformation processes, such as decomposition, carbonisation, fossilisation, etcetera) .
  • the infill material comprises parts of the coconut plant (for example the bark) and/or the nut (shell, hull, pulp, etcetera of the coconut); preferably, the infill material comprises coco fibres and/or the so-called coco peat, obtained as known from the coconut shells, and/or other similar vegetable materials, such as for example: vegetable materials derived from the bark of bushes and plants and/or natural fibres made from vegetables, in particular agave fibres (particularly sisal) and hemp fibre.
  • the infill layer is formed by a mixture of approximately one part of peat, one part of sand and one part of coconut.
  • the filling layer may be formed by mixtures of components previously indicated in any percentage, according also to the features of softness, elasticity and compactness to be conferred to the structure 1; it is also understood that all the indicated components can be mixed together and arranged in layers and that the filling layer 5 may therefore comprises a plurality of layers, each having different composition and/or thickness.
  • the infill material is used in the form of compact granules.
  • the various components of the filling layer 5 are, before being sprinkled on the substrate 3, subjected to a mixing, densification and granulation process, in which the various components, initially in ground or shredded form, are mixed, densified with possible elimination of part of the humidity, and then compacted in the form of granules having dimensions in the order of a few millimetres.
  • the infill material (regardless of its composition) is applied to the substrate 3 in granular form, thus avoiding the formation and sprinkling of powders; the granules of infill material are then dampened with water so as to dissolve the granules and release the components in the original form.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

Structure de gazon artificiel (1), en particulier pour terrain de sport, qui comprend un tapis synthétique (2), avec substrat (3) depuis lequel ressortent des filaments ressemblant à de l'herbe (4), et couche de remplissage (5) constituée d'un matériau intermédiaire entre les filaments ; ladite couche (5) comprend un mélange de tourbe et/ou d'autre matériau naturel organique similaire dérivé de résidus végétaux, et de matériau particulaire rigide, du type sable.
PCT/IB2005/003144 2005-04-13 2005-10-21 Structure de gazon artificiel et procede de fabrication Ceased WO2006109110A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2005A000636 2005-04-13
ITMI20050636 ITMI20050636A1 (it) 2005-04-13 2005-04-13 Struttura di manto erboso artificiale e relativo metodo di realizzazione

Publications (1)

Publication Number Publication Date
WO2006109110A1 true WO2006109110A1 (fr) 2006-10-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/003144 Ceased WO2006109110A1 (fr) 2005-04-13 2005-10-21 Structure de gazon artificiel et procede de fabrication

Country Status (2)

Country Link
IT (1) ITMI20050636A1 (fr)
WO (1) WO2006109110A1 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1978156A1 (fr) * 2007-04-04 2008-10-08 Vlaamse Instelling Voor Technologisch Onderzoek (Vito) Gazon artificiel
US20080299331A1 (en) * 2005-07-21 2008-12-04 Italgreen S.P.A. Artificial Turf Structure and Production Method Therefore
ITTO20090012A1 (it) * 2009-01-12 2010-07-13 Mondo Spa Procedimento per realizzare materiale di riempimento per manti erbosi sintetici, corrispondente materiale e relativo manto erboso sintetico
EP2305750A4 (fr) * 2008-06-18 2012-01-18 Bridgestone Corp Composition d'élastomère et pneumatique utilisant la composition d'élastomère
JP2012233396A (ja) * 2011-04-20 2012-11-29 Sanyo Kankyosha Planner:Kk 人工芝生の施工方法、人工芝生構造体、人工芝生用充填材の製造方法及び人工芝生用充填材
ITMI20131235A1 (it) * 2013-07-23 2015-01-24 Italgreen S P A Struttura di manto erboso artificiale e metodo di realizzazione di manti erbosi artificiali
US9011740B2 (en) 2008-12-15 2015-04-21 Textile Management Associates, Inc. Method of recycling synthetic turf and infill product
ITUA20163186A1 (it) * 2016-05-05 2017-11-05 Polygreen S R L Materiale da intaso per manti erbosi artificiali, struttura di manto erboso artificiale e metodo di riciclo
WO2018016956A2 (fr) 2016-07-22 2018-01-25 Synbra Technology B.V. Gazon artificiel adapté aux terrains de sport
WO2018208150A1 (fr) 2017-05-08 2018-11-15 Synbra Technology B.V. Gazon artificiel adapté aux terrains de sport
WO2021085634A1 (fr) * 2019-11-01 2021-05-06 株式会社Ｃｏｏｏｌ Gazon artificiel, charge pour gazon artificiel et procédé de production de gazon artificiel
IT202000003623A1 (it) * 2020-02-21 2021-08-21 Nikolaos Sarris Miscela per intaso di erba sintetica
IT202100000038A1 (it) 2021-01-04 2022-07-04 Polygreen S R L Processo di produzione di un materiale granulare da intaso e relativo materiale granulare da intaso
IT202100021329A1 (it) 2021-08-05 2023-02-05 Adalberto Principi Processo per la realizzazione di materiale riempitivo per manti erbosi sintetici, relativa struttura e composizione
EP4220054A1 (fr) 2022-01-28 2023-08-02 Sue - Sports Unified Europe, Lda Procédé de production d'un matériau de remplissage pour une surface de gazon synthétique
EP4219832A1 (fr) 2022-01-28 2023-08-02 Sue - Sports Unified Europe, Lda Matériau de remplissage pour surface de gazon synthétique et procédé de production associé
WO2023144621A1 (fr) 2022-01-28 2023-08-03 Sue - Sports Unified Europe, Lda Procédé de production d'un matériau de remplissage pour une surface de gazon synthétique
WO2023144620A1 (fr) 2022-01-28 2023-08-03 Sue - Sports Unified Europe, Lda Matériau de remplissage pour surface de gazon synthétique et procédé de production associé
IT202200013222A1 (it) 2022-06-22 2023-12-22 Polygreen S R L Granuli da intaso, superficie in erba sintetica comprendente detti granuli da intaso e relativo processo di produzione

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174755A1 (fr) * 1984-08-25 1986-03-19 Nottinghamshire County Council Revêtements de surfaces pour piétons, voitures ou terrains de sport et tampons de support/amortisseurs de choc
US4735825A (en) * 1984-03-14 1988-04-05 J. F. Adolff Ag Method of applying and bonding free-flowing bulb material to artificial grass
CH666485A5 (en) * 1986-06-17 1988-07-29 Walo Bertschinger Ag Elastic material contg. elastic resin particles, binder and cork - useful as base for floor or road, e.g. for indoor or outdoor sports stadium
FR2753211A1 (fr) * 1996-09-11 1998-03-13 Ynh Substrat pour sol et ses utilisations
WO2002022960A1 (fr) * 2000-09-15 2002-03-21 Tapijtfabriek H. Desseaux N.V. Procédé de construction d'une pelouse artificielle et pelouse artificielle ainsi construite
US20030039511A1 (en) * 2001-07-13 2003-02-27 Jean Prevost Drainage system for artificial grass using spacing grid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4735825A (en) * 1984-03-14 1988-04-05 J. F. Adolff Ag Method of applying and bonding free-flowing bulb material to artificial grass
EP0174755A1 (fr) * 1984-08-25 1986-03-19 Nottinghamshire County Council Revêtements de surfaces pour piétons, voitures ou terrains de sport et tampons de support/amortisseurs de choc
CH666485A5 (en) * 1986-06-17 1988-07-29 Walo Bertschinger Ag Elastic material contg. elastic resin particles, binder and cork - useful as base for floor or road, e.g. for indoor or outdoor sports stadium
FR2753211A1 (fr) * 1996-09-11 1998-03-13 Ynh Substrat pour sol et ses utilisations
WO2002022960A1 (fr) * 2000-09-15 2002-03-21 Tapijtfabriek H. Desseaux N.V. Procédé de construction d'une pelouse artificielle et pelouse artificielle ainsi construite
US20030039511A1 (en) * 2001-07-13 2003-02-27 Jean Prevost Drainage system for artificial grass using spacing grid

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080299331A1 (en) * 2005-07-21 2008-12-04 Italgreen S.P.A. Artificial Turf Structure and Production Method Therefore
US8563099B2 (en) * 2005-07-21 2013-10-22 Italgreen S.P.A. Artificial turf structure and production method therefore
EP1978156A1 (fr) * 2007-04-04 2008-10-08 Vlaamse Instelling Voor Technologisch Onderzoek (Vito) Gazon artificiel
WO2008122580A3 (fr) * 2007-04-04 2008-12-04 Vito Gazon artificiel
EP2305750A4 (fr) * 2008-06-18 2012-01-18 Bridgestone Corp Composition d'élastomère et pneumatique utilisant la composition d'élastomère
US8569400B2 (en) 2008-06-18 2013-10-29 Bridgestone Corporation Elastomer composition and tire using the elastomer composition
US9011740B2 (en) 2008-12-15 2015-04-21 Textile Management Associates, Inc. Method of recycling synthetic turf and infill product
ITTO20090012A1 (it) * 2009-01-12 2010-07-13 Mondo Spa Procedimento per realizzare materiale di riempimento per manti erbosi sintetici, corrispondente materiale e relativo manto erboso sintetico
CN101775226A (zh) * 2009-01-12 2010-07-14 曼顿有限公司 制造人工草皮结构填充材料的方法、材料和人工草皮结构
EP2206833A1 (fr) 2009-01-12 2010-07-14 Mondo S.p.A. Méthode de production d'un matériau de remplissage pour gazon artificiel, ainsi que matériau de remplissage et gazon artificiel correspondants
JP2012233396A (ja) * 2011-04-20 2012-11-29 Sanyo Kankyosha Planner:Kk 人工芝生の施工方法、人工芝生構造体、人工芝生用充填材の製造方法及び人工芝生用充填材
ITMI20131235A1 (it) * 2013-07-23 2015-01-24 Italgreen S P A Struttura di manto erboso artificiale e metodo di realizzazione di manti erbosi artificiali
ITUA20163186A1 (it) * 2016-05-05 2017-11-05 Polygreen S R L Materiale da intaso per manti erbosi artificiali, struttura di manto erboso artificiale e metodo di riciclo
WO2018016956A2 (fr) 2016-07-22 2018-01-25 Synbra Technology B.V. Gazon artificiel adapté aux terrains de sport
WO2018208150A1 (fr) 2017-05-08 2018-11-15 Synbra Technology B.V. Gazon artificiel adapté aux terrains de sport
JP7384344B2 (ja) 2019-11-01 2023-11-21 株式会社Coool 人工芝、人工芝用充填材及び人工芝生産方法
WO2021085634A1 (fr) * 2019-11-01 2021-05-06 株式会社Ｃｏｏｏｌ Gazon artificiel, charge pour gazon artificiel et procédé de production de gazon artificiel
JPWO2021085634A1 (fr) * 2019-11-01 2021-05-06
IT202000003623A1 (it) * 2020-02-21 2021-08-21 Nikolaos Sarris Miscela per intaso di erba sintetica
IT202100000038A1 (it) 2021-01-04 2022-07-04 Polygreen S R L Processo di produzione di un materiale granulare da intaso e relativo materiale granulare da intaso
IT202100021329A1 (it) 2021-08-05 2023-02-05 Adalberto Principi Processo per la realizzazione di materiale riempitivo per manti erbosi sintetici, relativa struttura e composizione
EP4130382A1 (fr) 2021-08-05 2023-02-08 Adalberto Principi Procédé de fabrication de matériau de remplissage pour gazon synthétique, matériau de remplissage pour gazon synthétique et substance de revêtement
EP4220054A1 (fr) 2022-01-28 2023-08-02 Sue - Sports Unified Europe, Lda Procédé de production d'un matériau de remplissage pour une surface de gazon synthétique
EP4219832A1 (fr) 2022-01-28 2023-08-02 Sue - Sports Unified Europe, Lda Matériau de remplissage pour surface de gazon synthétique et procédé de production associé
WO2023144621A1 (fr) 2022-01-28 2023-08-03 Sue - Sports Unified Europe, Lda Procédé de production d'un matériau de remplissage pour une surface de gazon synthétique
WO2023144620A1 (fr) 2022-01-28 2023-08-03 Sue - Sports Unified Europe, Lda Matériau de remplissage pour surface de gazon synthétique et procédé de production associé
IT202200013222A1 (it) 2022-06-22 2023-12-22 Polygreen S R L Granuli da intaso, superficie in erba sintetica comprendente detti granuli da intaso e relativo processo di produzione

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