WO2018058259A1 - Tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, procédé de fabrication et utilisation de celui-ci - Google Patents
Tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, procédé de fabrication et utilisation de celui-ci Download PDFInfo
- Publication number
- WO2018058259A1 WO2018058259A1 PCT/CH2016/000127 CH2016000127W WO2018058259A1 WO 2018058259 A1 WO2018058259 A1 WO 2018058259A1 CH 2016000127 W CH2016000127 W CH 2016000127W WO 2018058259 A1 WO2018058259 A1 WO 2018058259A1
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- WO
- WIPO (PCT)
- Prior art keywords
- loops
- carpet
- grass
- carpet according
- areas
- Prior art date
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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
- the invention relates to a synthetic lawn carpet for outdoor sports areas, a method for producing the grass carpet, the use of the grass carpet as the top of a sports surface and a sports surface with a surface with such a carpet grass according to the preambles of the independent claims.
- Synthetic lawn carpets today are not only used in the private sector, e.g. as a terrace or balcony carpet, are used, but increasingly come in public areas in the form of artificial turf surfaces for sports activities, e.g. as artificial grass on football pitches.
- a significant advantage of such artificial turf surfaces is that they require little care and can neither dry nor soften.
- the properties of the artificial turf surface should be as similar as possible to those of a genuine turf surface, in particular with regard to the appearance and the damping properties and the drainage capacity, and the longest possible service life without significant changes in these properties is desired.
- the present-day grass carpets have the drawback that over time, the fibers or fiber bundles representing the leaves of the grass plants become one-sided, so that not only an unnatural appearance is the result, but also a further deterioration of the properties , PRESENTATION OF THE INVENTION
- a first aspect of the invention relates to a synthetic lawn carpet, which is suitable for outdoor sports areas, so is weather and UV resistant.
- the turf carpet has a flat basic structure and a plurality of synthetic material loops, which are connected to the basic structure and project substantially perpendicularly from the basic structure, which completely or at least largely form the carpet top side.
- the clever different loop lengths, and loops of different lengths are arranged to each other such that the loops form a regular, Favor ⁇ tgue uniform surface relief at the top of the lawn carpet.
- a “regular surface relief” is understood to mean a surface relief which, seen in a first extension direction of the grass carpet, has repetitive identical elevations / depressions at regular intervals.
- a "uniform surface relief” is understood to mean a regular surface relief in which the elevations / depressions additionally repeat themselves in regular intervals in a second, transverse and, in particular, direction perpendicular to the first direction.
- Grass carpets according to the invention in which the loops form a uniform surface relief at the top of the grass carpet, have, in particular in the case in which the elevations / depressions are identical both in the first and the second extension direction and in the respective opposite directions, the advantage that they have the same properties in both longitudinal directions and in both Quererstreckungs straightening.
- the loops are arranged in such a way to each other, that in each case adjacent
- the lawn carpet are on the side facing the carpet top side of the basic structure exclusively loops away, ie there are no other elements such as fiber bundles or support pins available.
- On the useful side of the lawn carpet consists so only of the loops of synthetic material. Such a structure of the lawn carpet favors a cost-effective production of the same.
- the formed by the loops Oberflä ⁇ chenrelief on top of the grass carpet volatile and / or substantially smooth transitions between formed by the loops of different loop length areas, especially between the shortest loops and from the longest loops formed areas.
- the formed by the loops Oberflä ⁇ chenrelief on top of the grass carpet volatile and / or substantially smooth transitions between formed by the loops of different loop length areas, especially between the shortest loops and from the longest loops formed areas.
- Leaping transitions improve the ability to induce shear forces into the surface of the turf carpet, as opposed to flowing transitions, which are more conducive to good surface smoothness. For example, for football pitches, lawn carpets with jumpy transitions are preferable because they allow good traction, while for applications where there is a good traction
- At least the areas of the surface line formed by the shortest loops and / or at least the areas of the surface relief formed by the longest loops are each formed by several loops of the same length. This can be particularly in lawn carpets, in which sudden transitions between these areas are present, the
- Grass carpet either individually attached to the basic structure or there are several loops attached to the basic structure in each case. It is also envisaged that certain loops are individually fastened to the basic structure while others are fastened together thereon. Depending on the fibers used and the desired damping properties, one or the other variant or else a specific combination of these variants may be particularly preferred.
- the two attachment ends of at least the longest loops are each fastened to the basic structure at a distance from one another. This makes it possible to achieve a good stability of these loops.
- the two attachment ends of the shortest loops are also fastened to the basic structure at a distance from one another, the distance between the attachment ends of the longest loops being greater than the distance of the attachment ends of the shortest loops from one another, then a relatively firm lawn carpet typically results in a stronger one Damping.
- the two fixing ends, at least the shortest loops are each fastened together on the base structure.
- the longest loops are at least twice as long as the shortest loops.
- the shortest loops preferably have a length between 6 mm and 8 mm.
- Such loop dimensions have proven to be particularly suitable, especially for lawn carpets for football fields.
- loop length here is the measure referred to which the respective
- loops with unloaded lawn carpet vertically away from the support structure In a preferred embodiment of the grass carpet according to the invention, its loops have exactly two different loop lengths.
- the surface relief formed by these loops at the top of the lawn carpet is a uniform surface relief in which square areas formed by the longer loops and square areas formed by the shorter loops alternate in a checkerboard pattern.
- the edge length of the square regions is in each case at least 10 mm, more preferably between 10 mm and 20 mm.
- Such grass carpets have identical characteristics both longitudinally and transversely and are particularly suitable for football fields.
- both of the longest loops and of the shortest loops are respectively formed a plurality of separate and preferably in shape and size indentician areas, wherein in each case the distances of the centroids of the areas formed by the longest loops to the nearest centroids of the areas formed by the shortest loops are smaller than 30 mm, preferably smaller than 15 mm.
- a single contiguous area is formed and becomes one of the shortest
- Loops or with the shortest loops each formed a plurality of separate areas, wherein the distances of the centroids of the areas formed by the shortest loops are each smaller than 50 mm, more preferably smaller are as 30 mm.
- a single contiguous area is formed from the shortest loops or loops (eg, in combination with medium length loops).
- a plurality of separate areas are formed by the longest loops, wherein the distances of the centroids of the areas formed by the longest loops are in each case smaller than 50 mm, preferably smaller than 30 mm.
- the basic structure of the inventive grass carpet is preferably woven from synthetic fibers.
- Such basic structures are flexible, tear-resistant and permeable to water. They also offer the possibility to weave the loops into the basic structure, which is preferred, since the loops can thus be combined particularly well with the basic structure.
- At least a part of the loops is formed from monofilament fibers, preferably with a round cross-section.
- Such fibers are relatively stable and are therefore particularly well suited to the formation of the longer or longest loops.
- At least a part of the loops is formed of multifilament fibers, preferably with different fiber cross sections.
- Such fibers are relatively soft and are therefore particularly well suited to the formation of the shorter or shortest loops.
- a material for the formation of the loops is preferably polyamide, polypropylene or polyester in question. Such materials have proven themselves in outdoor use ".
- a second aspect of the invention relates to a process for the production of the grass carpet according to the first aspect of the invention, wherein the loops are woven into a woven basic structure.
- a third aspect of the invention relates to the use of the lawn carpet according to the first aspect of the invention as the top of a sports surface, preferably as the top of a football field, a golf course or a tennis court. In such uses, the advantages of the invention are particularly evident,
- a fourth aspect of the invention relates to a sports surface, preferably a football field, golf course or tennis court, with a surface formed from or with a grass carpet according to the first aspect of the invention.
- Figure 1 is a plan view of the top of a first inventive lawn carpet.
- FIG. 2 shows a vertical section through the lawn carpet of FIG. 1 along the line A-A in FIG. 1;
- FIG. 3 is a plan view of the top of a second inventive lawn carpet.
- FIG. 4 shows a vertical section through the turf carpet from FIG. 3 along the line B-B in FIG. 3;
- FIG. 5 is a plan view of the top of a third inventive lawn carpet.
- FIG. 6 shows a vertical section through the grass carpet of FIG. 5 along the line C-C in FIG. 5;
- Fig. 7a shows the detail X of Fig. 2;
- FIG. 7b shows the detail Y of FIG. 4;
- FIG. 7c shows detail Z from FIG. 6;
- FIG. 8 is a plan view of the top of a fourth inventive lawn carpet.
- FIG. 9 shows a vertical section through the carpet of grass from FIG. 8 along the line DD in FIG. 8;
- FIG. and 10 shows a representation like FIG. 9 through a fifth inventive lawn carpet.
- FIGS. 1 and 2 show a first lawn carpet according to the invention for football fields, namely a plan view of the upper side of a section of the grass carpet (FIG. 1) and a vertical section through the grass carpet along the line A-A in FIG. 2).
- the turf carpet comprises a base structure 1 made of a polypropylene fabric into which a plurality of loops 2a, 2b of monofilament polypropylene fibers having a round cross section are woven, such that the loops 2a, 2b are firmly bonded to the polypropylene fabric 1 are.
- the loops 2a, 2b are substantially vertically upwards away from the polypropylene fabric 1 and thus form the carpet top side or useful side of the lawn carpet.
- the loops 2a, 2b have exactly two different loop lengths LI, L2, and the longer loops 2a and the shorter loops 2b are each arranged in groups such that the loops 2a, 2b form a uniform surface relief 3 at the top of the lawn carpet which quadratic areas 4, those of the longer
- Loops 2a are formed (shown hatched in the plan view in each case), and square regions 5, which are formed by the shorter loops 2b (in the plan view each shown non-hatched), alternate in a checkerboard pattern.
- the edge length of the square areas 4, 5 is 10 mm in each case.
- the spacings d of the centroids of the areas 4 formed by the longer loops 2a are the centroids of the nearest areas 5, which are different from the shorter ones.
- zeren loops 2b are formed, each also 10 mm.
- the loop length LI of the longer loops 2a is twice as long as the loop length L2 of the shorter loops 2b which is 6 mm. Accordingly, the surface relief 3 of the grass carpet formed by the loops 2a, 2b respectively has discontinuous transitions S between the regions 4 formed by longer loops 2a and the regions 5 formed by the shorter loops 2b.
- the loops 2a, 2b are in each case fastened individually to the basic structure of polypropylene fabric 1 in such a way that adjacent loops touch each other, wherein the two attachment ends of the respective loops 2a, 2b each have a spacing from one another.
- the distance between the attachment ends of the longer loops 2a to each other is greater than the distance between the attachment ends of the shorter loops 2b to each other.
- FIGS. 3 and 4 show a second lawn carpet according to the invention, once in plan view, on the upper side of a cutout of the lawn carpet (FIG. 3) and once in vertical section through the lawn carpet, along the line BB in FIG. 3 (FIG. 4). ,
- This grass carpet also has a woven base structure 1 made of a plastic material, in which a multiplicity of loops 2a, 2b of polypropylene fibers are woven, such that the loops 2a, 2b are firmly connected to the polypropylene fabric 1 and substantially perpendicularly upwards protrude from the fabric 1, to form the carpet top or Nutzseite the lawn carpet.
- the loops 2a, 2b have two different loop lengths LI, L2, and are each arranged in groups in such a way that the loops 2a, 2b form a uniform surface relief 3 at the top of the lawn carpet.
- the longer loops 2a are formed as in the grass carpet according to Figures 1, 2 and 7a of monofilament polypropylene fibers with a round cross-section.
- the shorter fibers are made of multifilament polypropylene fibers.
- the longer loops 2a here form a plurality of separate square areas 4 of identical size (shown hatched in plan view) which are evenly spaced from each other and over a single contiguous area formed by the shorter loops 2b 5 (not shown hatched in plan view) are interconnected.
- the edge length of the square areas 4, here is also 10 mm.
- the distances between the square areas 4 are each 5 mm. Accordingly, the distances D of the centroids of the areas 4, which are formed by the longest loops 2a, each with each other 15 mm.
- the loop length Li of the longer loops 2a is less than twice as long as the loop length L2 of the shorter loops 2b, which is 6 mm here.
- the surface relief 3 of the grass carpet formed by the loops 2a, 2b also has here, in each case, sudden transitions S between the regions 4, which are formed by longer loops 2a, and the region 5, which is formed by the shorter loops 2b.
- the loops 2a, 2b are fastened individually to the fabric 1 in such a way that neighboring loops touch each other.
- the two attachment ends of the longer loops 2a j each have a distance from each other, while the two attachment ends of the shorter Loops 2b are each fastened together to the fabric 1.
- FIGS. 5 and 6 show a third lawn carpet according to the invention once in plan view on the upper side of a cutout of the grass carpet (FIG. 5) and once in vertical section through the grass carpet along the line C-C in FIG. 5 (FIG. 6).
- This grass carpet also has a base ⁇ structure 1 made of polypropylene fabric, into which a plurality of loops 2a, 2b, 2c are woven from polyamide fibers such that the loops 2a, 2b, 2c are fixed to the fabric 1 and in the Essentially stand up vertically from the fabric 1 so that they form the carpet top or Nutzseite the lawn carpet.
- the loops 2a, 2b, 2c here have three different slide lengths LI, L2, L3. Again, the loops 2a, 2b, 2c are arranged to each other in such a way that they form a uniform surface relief 3 at the top of the lawn carpet.
- All loops 2a r 2b, 2c are formed as in the lawn carpet according to Figures 1, 2 and 7a of monofilament fibers.
- the diameter of the circular areas 5 is here in each case 12 mm.
- the distances between the circular areas 5 are each 3 mm.
- the loop length LI of the longest loops 2a of 13 mm is almost twice as long as the loop length L3 of the central loops 2c and etv / a three times as long as the loops ⁇ length L2 of the shortest loops 2b.
- the surface relief 3 of the grass carpet formed by the loops 2a, 2b, 2c also has here, in each case, sudden transitions S between the regions 5 formed by the shortest and middle loops 2b, 2c and the region 4, that of the longest Loops 2a is formed on.
- the loops 2a, 2b, 2c are each fastened individually to the fabric base structure 1, such that adjacent loops touch each other, wherein the two fastening ends of the respective loops 2a, 2b, 2c are each at a distance from one another.
- the distance between the attachment ends of the longest loops 2a to each other is greater than the distance between the attachment ends of the shortest and the middle loops 2b, 2c zueinan-.
- the shortest of the average and loops 2b, 2c formed regions 5 always shortest and middle loops 2b f 2c are alternately arranged side by side.
- Figures 8 and 9 show a fourth invention: lawn carpet in a plan view of the top of a section of the lawn carpet ( Figure 8) and in a vertical section through the lawn carpet along the line D-D in Figure 8 ( Figure 9).
- this lawn carpet also has a planar basic structure 1, on which a multiplicity of loops 2 made of synthetic fibers are arranged, such that the loops 2 are firmly fixed to the Basic structure 1 are connected and substantially vertically upwardly away from this, to form the carpet top or Nutzseite the lawn carpet.
- the loops 2 have many different Sch secured1Code and are so mutually angeord- net that they on top of the grass carpet a uniform surface relief 3 of identical form at ⁇ each adjacent square pyramids (in plan view, the contour edges with solid lines shown).
- the edge length of the square pyramids is 10 mm each.
- the loop length LI of the longest loops is about 12 mm, the loop length L2 of the shortest loops about 6 mm.
- the surface relief 3 formed by the loops 2 at the top of the grass carpet here has exclusively flowing transitions between protruding and recessed areas.
- Fig. 10 shows a vertical section through a fifth lawn carpet according to the invention.
- this turf carpet also has a flat basic structure 1, on which a multiplicity of loops 2a, 2b made of synthetic fibers are arranged, such that the loops 2a, 2b are firmly connected to the basic structure 1 and substantially vertical upward from this wegsteheri, to form the carpet top or Nutzseite the lawn carpet.
- the loops 2a, 2b have two different slide lengths LI, L2 and are each arranged alternately to one another in such a way that they form a uniform surface relief 3 on the top side of the lawn carpet 3 from loops 2a, 2b which spring back therefrom.
- the loop length LI of the longer loops 2a is about 14 mm
- the loop length L2 of the shorter loops 2b is about 7 mm.
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- Architecture (AREA)
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Abstract
L'invention concerne un tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, un procédé de fabrication du tapis imitant le gazon et une utilisation du tapis imitant le gazon. Le tapis imitant le gazon comprend une structure de base (1) et une pluralité de boucles (2, 2a, 2b, 2c) reliées à la structure de base (1) et s'éloignant sensiblement perpendiculairement de la structure de base (1), lesquelles boucles sont constituées d'un matériau synthétique et forment le côté supérieur du tapis. Les boucles (2, 2a, 2b, 2c) présentent différentes longueurs (L1, L2, L3) et des boucles de différentes longueurs sont disposées les unes par rapport aux autres de telle sorte que les boucles (2, 2a, 2b, 2c) forment un relief de surface (3) régulier sur le côté supérieur du tapis imitant le gazon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CH2016/000127 WO2018058259A1 (fr) | 2016-09-30 | 2016-09-30 | Tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, procédé de fabrication et utilisation de celui-ci |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH2016/000127 WO2018058259A1 (fr) | 2016-09-30 | 2016-09-30 | Tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, procédé de fabrication et utilisation de celui-ci |
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WO2018058259A1 true WO2018058259A1 (fr) | 2018-04-05 |
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PCT/CH2016/000127 WO2018058259A1 (fr) | 2016-09-30 | 2016-09-30 | Tapis synthétique imitant le gazon pour surfaces de sport d'extérieur, procédé de fabrication et utilisation de celui-ci |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023281056A1 (fr) * | 2021-07-09 | 2023-01-12 | Ten Cate Thiolon B.V. | Surface de sport, son utilisation et son procédé de fabrication |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006075241A1 (fr) * | 2005-01-14 | 2006-07-20 | Italgreen S.P.A. | Mat, en particulier pour gazon synthetique, structure de gazon synthetique comprenant ce mat, et procede et appareil de fabrication dudit mat |
US20070237921A1 (en) * | 2006-04-10 | 2007-10-11 | Knapp Timothy A | Woven artificial turf |
WO2012076864A1 (fr) * | 2010-12-07 | 2012-06-14 | Proslope Limited | Ensemble surface destiné à une utilisation dans une piste de ski artificielle |
EP2664711A1 (fr) * | 2012-05-15 | 2013-11-20 | Tiara-Teppichboden AG | Gazon artificiel |
WO2016024044A1 (fr) * | 2014-08-13 | 2016-02-18 | Hannu Salmenautio | Gazon artificiel comportant un matériau d'amortissement non granulaire |
-
2016
- 2016-09-30 WO PCT/CH2016/000127 patent/WO2018058259A1/fr active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006075241A1 (fr) * | 2005-01-14 | 2006-07-20 | Italgreen S.P.A. | Mat, en particulier pour gazon synthetique, structure de gazon synthetique comprenant ce mat, et procede et appareil de fabrication dudit mat |
US20070237921A1 (en) * | 2006-04-10 | 2007-10-11 | Knapp Timothy A | Woven artificial turf |
WO2012076864A1 (fr) * | 2010-12-07 | 2012-06-14 | Proslope Limited | Ensemble surface destiné à une utilisation dans une piste de ski artificielle |
EP2664711A1 (fr) * | 2012-05-15 | 2013-11-20 | Tiara-Teppichboden AG | Gazon artificiel |
WO2016024044A1 (fr) * | 2014-08-13 | 2016-02-18 | Hannu Salmenautio | Gazon artificiel comportant un matériau d'amortissement non granulaire |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023281056A1 (fr) * | 2021-07-09 | 2023-01-12 | Ten Cate Thiolon B.V. | Surface de sport, son utilisation et son procédé de fabrication |
NL2028688B1 (en) * | 2021-07-09 | 2023-01-16 | Ten Cate Thiolon Bv | Sports Surface with a Pile Layer Comprising Loops |
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