EP1561862A1 - Elément de piste artificielle de glisse et piste artificielle de glisse comprenant un tel élément - Google Patents
Elément de piste artificielle de glisse et piste artificielle de glisse comprenant un tel élément Download PDFInfo
- Publication number
- EP1561862A1 EP1561862A1 EP04002514A EP04002514A EP1561862A1 EP 1561862 A1 EP1561862 A1 EP 1561862A1 EP 04002514 A EP04002514 A EP 04002514A EP 04002514 A EP04002514 A EP 04002514A EP 1561862 A1 EP1561862 A1 EP 1561862A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- artificial
- track
- element according
- gliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- E01C13/10—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds for artificial surfaces for outdoor or indoor practice of snow or ice sports
- E01C13/12—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds for artificial surfaces for outdoor or indoor practice of snow or ice sports for snow sports, e.g. skiing or ski tow track
Definitions
- the invention relates to artificial tracks Sliding, such as ski slopes.
- the artificial slopes of gliding are known and used for a long time. We use them commonly as a substitute for ski trails in areas without snow or insufficiently snow-covered or at times of the year when there is no persistent snow.
- the artificial gliding tracks also find a application for learning skiing in the classroom or on specially developed land without snow.
- the invention overcomes the disadvantages of the tracks known artificial skis, described above, in providing an artificial gliding track new design, which adapts easily to topography of the place of implantation, fulfills the conditions necessary for a good quality and secure (in particular by achieving good amortization of shocks in the event of a fall) and allows, if necessary, a easy, fast and economical replacement of wires used the track.
- the invention relates to an element of artificial gliding track, comprising wires fixed to a perforated support, characterized in that the support openwork comprises a slatted panel and in that the son are assembled into tufts, which are enshrined and fixed in blind holes of the panel.
- the sliding track element according to the invention is intended to be produced in several copies in the purpose of assembling them to form a track then artificial gliding, for example a track Artificial ski.
- artificial gliding track means a track that is made of a material or a mixture of artificial materials and which, by reason of its design, properties allowing machines specially adapted to evolve by sliding (such as sledges, skis or snowshoes, by example).
- a subject artificial is, by definition, a matter which does not exist naturally as opposed to ice and in the snow, in particular.
- the element according to the invention comprises a panel clerestory.
- the shape and dimensions of the panel are not critical for the definition of the invention.
- the panel however preferably has a selected shape among the triangle, the square, the rectangle and the hexagon. The square and the rectangle are especially preferred.
- Panel voids have multiple functions. In combination with the threads (whose new constitution and original will be explained later), the gaps of panels help optimize properties slippery slope. When the panel is placed on soft ground, for example a meadow, they help to cushion the falls of the users of the track, for example skiers.
- a function additional voids of the panel is to reduce the mass of the panel to facilitate its handling and storage.
- Another interesting function of the voids of the panel is to allow a natural flow of water around and under the gliding track, without harming its boarding ability, nor disrupting the users of the track. The origin of this water is multiple and includes especially the rushing waters (rain, snow melted), runoff and water used for maintenance and cleaning of the artificial track of slips.
- the form and dimensions of panel voids are not critical for the definition of the invention.
- the shape of the voids can be indifferently circular, elliptical or polygonal. Polygonal shapes are preferred and, among these, the square and rectangular shapes have the preference.
- the number of voids per unit area of the panel (or the area or dimensions of the voids) must be adapted so as not to impair the strength and rigidity of the panel. It will depend in particular on the thickness of the panel and the material of which it is consisting. In practice, the number of voids per unit of the panel area, their shape and dimensions must be to be determined in each particular case by the man of the trade, through routine research work.
- the panel can be made by assembling longitudinal and transverse longitudinal members. We prefer, according to a particular embodiment of the invention, that the panel is monolithic.
- the synthetic resin panels (advantageously obtained by a molding technique) are specially Recommended.
- synthetic resin it is recommended polymers and copolymers derived from olefins, such as ethylene, propylene, and butene.
- the low density linear polyolefins are suitable and among these, low linear polyethylenes density (LDPE) are preferred.
- the wires are used to form the sliding surface of the track, supporting the users above the panel.
- the son are assembled in tufts (or bunches) of son, the panel is pierced with blind holes and tufts of son are embedded in these blind holes.
- a tuft of threads is an assembly of bundled or bunched yarns (in the manner of a brush) in which each yarn retains its individuality, as opposed to strands of twisted or braided yarns.
- the properties of the sliding surface (especially its sliding power, defined by its overall coefficient of friction) will be conditioned by the dimensions of the wires, by their constitution, their mechanical properties (in particular their resistance to bending and buckling) and by the number of threads in each tuft of threads.
- the son may be even longer and even thinner (and therefore all the more flexible) as the number of son per tuft is important and the resistance son buckling is high. It is up to the person skilled in the art to determine in each particular case the optimum number of individual wires in each tuft, depending on the conditions of use and the parameters at his disposal.
- tufts comprising more than 5 yarns and less than 100 individual yarns, the tufts of 10 to 60 yarns being suitable in most cases, those containing from 15 to 50 individual yarns being especially recommended.
- the optimum dimensions of the wires, their number in each tuft and the number of tufts per unit area of the panel will depend on various parameters, including the slope of the gliding track, machines intended to travel on the gliding track, the material of the yarns, their constitution and the overall coefficient of friction of the track. It is up to the person skilled in the art to determine them in each particular case by routine research work.
- yarns which are suitable in the majority of cases are cylindrical yarns whose diameter is between 0.1 and 1.50 ⁇ m (preferably 0.2 to 1.00 ⁇ m) and the length of which is the top of the panel is substantially between 5 and 80 mm (preferably 10 to 50 mm).
- the son can be in any natural or artificial material adequate. Synthetic resin wires are preferred. Polyamides and polyesters are two classes of preferred materials for yarns. Polyolefin terephthalates are preferred, of which polybutene terephthalate is generally well suited.
- the cross section of the son is not critical and can for example be that of a circle, an ellipse or a polygon (for example a triangle, a square, a hexagon or an octagon).
- Each yarn may be an individual monolithic fiber or a fiber tow, in which the fibers may often be twisted or braided.
- the monolithic fibers and those which are assembled in wicks may be solid fibers or hollow, tubular fibers. It is preferred that the yarns be monolithic fibers and of these, the solid fibers are preferred.
- Fixing the wires in the blind holes can be obtained by any suitable known means.
- fixing tufts of threads in blind holes is achieved by means of staples, which are stuck in the wall of blind holes.
- the tufts of threads are folded and overlapped by the staples, these staples being the panel, at the bottom of the blind holes.
- the blind holes are distributed so substantially uniform on one side of the slatted panel, between the voids of it.
- This form of particular embodiment of the invention is likely to standardize the slippery properties of the slips.
- At least part of the voids of the panel are filled, at least partially, by a elastic body.
- the elastic body has the function of damping shocks in case a user of the gliding track would fall.
- Each void can include such elastic body; alternatively, only a limited number of empty spaces (for example two out of three voids) contain a such elastic body.
- the elastic body can occupy the the entire area of the void where it is located or only a part of it. In case the body elastic occupies only part of the void, part may be for example 25 to 95% of the vacuum area, ideally from 60 to 85% of said area.
- the dimensions of the elastic body must be adapted so that its upper part is below from the upper end of the tufts of threads, when the panel is used on the ground to form a sliding track. In general, the elastic body outcrops substantially the upper face of the panel.
- the material of which the elastic body is made is not critical for the definition of the invention.
- Body examples elastics that can be used in the context of the invention comprise bodies made of an elastomeric material, synthetic polymer foams or flexible envelopes filled with a gas under pressure.
- the panel is placed on a mat made of a solid elastic material (for example an elastomer or a synthetic polymer foam), said carpet having superficial beads which are separated by a network of grooves and which are inserted into the panel voids.
- a solid elastic material for example an elastomer or a synthetic polymer foam
- the voids of the slatted panel are substantially square and distributed in a substantially uniform manner and the panel is generally of substantially rectangular shape and comprises, on at least one side , a mechanical connection member to a similar element juxtaposed.
- the connection member may be a removable connection member or an irremovable connection member. Removable connecting members are preferred because they allow assembling and disassembling panels at will.
- An example of a connection member that may be suitable in the present invention is described in GB-1418458.
- the artificial track elements according to the embodiment which has just been described are well suited to the assembly of several panels to achieve an artificial gliding track.
- the invention therefore also relates to a track of slides, comprising an assembly of elements conforming to the invention, as described above. It concerns especially a gliding track of this type, for the skiing.
- the sliding power of the track will be chosen in depending on the usage parameters, including the slope of the track.
- this includes a panel assembly with coefficients friction are not the same for all panels.
- This embodiment of the invention find applications for slopes whose slope is not uniform or has a succession of zones sloping and substantially horizontal areas. For the building such tracks, one can for example use low friction panels horizontal or low slope areas and panels with higher coefficient of friction in areas with steep slopes.
- This embodiment of the invention finds another application in the construction of ski trails (including skiing) used to train skiers, allowing to associate areas with low friction and areas with a higher coefficient of friction, according to a diagram predetermined.
- the sliding track according to the invention finds applications as a substitute for snow or ice for tobogganing, skiing, motorcycling or other gear suitable for the practice of sports Winter.
- the artificial gliding track element according to the invention and the sliding track according to the invention have various advantages, among which the most significant are the obtaining of a sliding power optimum and adjustable easily and at will depending various parameters (eg the topography of the terrain for which the artificial ski slope is intended or the ability of users to evolve on a slips), the great adaptability of the track to the topography, the dimensions and the shape of the land on which is planned to be built, the possibility of easily replace used (or unsuitable) wires use of the ski slope) by other children different constitution.
- the artificial gliding track element shown in Figures 1 to 3 comprises a slatted panel 1.
- the slatted panel 1 includes a grid of 2 longitudinal members that intersect at right angles to form between them substantially square voids 3, presenting all substantially the same area.
- the panel is a linear polyethylene monolith, low density, obtained by means of an injection molding process.
- the panel 1 is intended to be placed on a support, usually the floor of a gym or more generally, outside to form a track artificial gliding (eg a track artificial ski).
- a track artificial gliding eg a track artificial ski
- the panel 1 is pierced with blind holes 4, uniformly distributed over the area of the longitudinal members 2.
- the blind holes 4 are divided into three straight rows on each 2.
- the blind holes could be be distributed in another way on the longitudinal members 2, for example in a non-uniform or non-rectilinear manner or staggered.
- each blind hole 4 is inserted a tuft of threads 5.
- Figure 4 shows a tuft of wires. to obtain a tuft of wires 5, several wires 6 are available side by side, to form a bundle or bundle of threads and the bundle of wires 6 is folded so as to fold their ends 7 one on the other.
- the threads 6 are advantageously monolithic fibers in terephthalate polybutene obtained by an extrusion process and their number, in each tuft 5, is for example between 5 and 100 and is ideally 10 to 50.
- the tufts of threads 5 are introduced into the blind holes 4, so that the ends 7 of the son protrude above Panel 1 and that their area 8 at the bottom of the blind hole 4.
- Each tuft 5 is mechanically fixed in its blind hole 4 by means of a staple 9.
- the staple 9 is U-profile, overlaps the bending zone 8 of the wires and is stuck in panel 1 at the bottom of the blind hole 4.
- the panel 1 also comprises, on its periphery, connecting members (not shown) for attach it to substantially identical panels that him would be juxtaposed.
- the connecting members are removable, to allow assembly and disassembly at will the juxtaposed elements.
- Figures 5 and 6 show a mat 10 in one an elastic material, for example an elastomer or a foam of a synthetic polymer, for example a foam polyurethane.
- the belt 10 has on one face a series of beads 11 separated by a network of Orthogonal grooves 12.
- the belt 10 is intended for be placed on the floor, under a panel 1, so that the beads 11 penetrate the voids 3 of the panel 1 and are flush with the upper face of the panel, while the longitudinal members 2 fit into the grooves 12.
- Figure 7 shows part of a track artificial gliding according to the invention.
- Track is formed of the juxtaposition of four elements of track of the type described above, with reference to Figures 1 to 4.
- the panels 1 of the elements are arranged side by side, of such way that the rails 2 of each panel 1 are arranged in the extension of corresponding spars panels 1 that surround it.
- the panels 1 are by elsewhere sized so that their assembly achieves uniform continuity in the distribution and the dimensions of the voids 3 of the four panels 1.
- the panels 1 are secured by means of connection they are equipped with.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
Description
Toutes autres choses égales, les propriétés de la surface de glisse (spécialement son pouvoir glissant, défini par son coefficient global de frottement) vont être conditionnées par les dimensions des fils, par leur constitution, leurs propriétés mécaniques (notamment leur résistance à la flexion et au flambage) et par le nombre de fils dans chaque touffe de fils. En pratique, les fils pourront être d'autant plus longs et d'autant plus minces (et par conséquent d'autant plus souples) que le nombre de fils par touffe est important et que la résistance des fils au flambage est élevée. Il revient à l'homme du métier de déterminer dans chaque cas particulier le nombre optimum de fils individuels dans chaque touffe, en fonction des conditions d'utilisation et des paramètres à sa disposition. En général, on obtient de bons résultats avec des touffes comprenant plus de 5 fils et moins de 100 fils individuels, les touffes de 10 à 60 fils convenant bien dans la plupart des cas, celles contenant de 15 à 50 fils individuels étant spécialement recommandées.
Les dimensions optimum des fils, leur nombre dans chaque touffe et le nombre de touffes par unité d'aire du panneau va dépendre de divers paramètres, notamment de la pente de la piste de glisse, des engins destinés à circuler sur la piste de glisse, de la matière des fils, de leur constitution et du coefficient global de frottement de la piste. Il revient à l'homme du métier de les déterminer dans chaque cas particulier par un travail de recherche de routine. De manière générale, des fils qui conviennent dans la majorité des cas sont des fils cylindriques dont le diamètre se situe entre 0,1 et 1,50 µm (de préférence de 0,2 à 1,00 µm) et dont la longueur au-dessus du panneau est sensiblement comprise entre 5 et 80 mm (de préférence de 10 à 50 mm). Les fils peuvent être en toute matière naturelle ou artificielle adéquate. On préfère des fils en résine de synthèse. Les polyamides et les polyesters constituent deux classes de matières préférées pour les fils. Les téréphtalates de polyoléfines sont préférés, parmi lesquels le téréphtalate de polybutène convient généralement bien.
La section transversale des fils n'est pas critique et peut par exemple être celle d'un cercle, d'une ellipse ou d'un polygone (par exemple un triangle, un carré, un hexagone ou un octogone). Chaque fil peut être une fibre monolithique individuelle ou une mèche de fibres, dans laquelle les fibres peuvent souvent être torsadées ou tressées. Les fibres monolithiques et celles qui sont assemblées en mèche peuvent être des fibres pleine ou des fibres creuses, tubulaires. On préfère que les fils soient des fibres monolithiques et, parmi celles-ci, les fibres pleines ont la préférence.
Les éléments de piste artificielle conformes à la forme de réalisation qui vient d'être décrite se prêtent bien à l'assemblage de plusieurs panneaux pour réaliser une piste artificielle de glisse.
Claims (10)
- Elément de piste artificielle de glisse, comprenant des fils fixés à un support ajouré, caractérisé en ce que le support ajouré comprend un panneau à claire-voie (1) et en ce que les fils (6) sont assemblés en touffes (5), qui sont enchâssées et fixées dans des trous borgnes (4) du panneau.
- Elément selon la revendication 1, caractérisé en ce que les touffes de fils (5) sont fixées dans les trous borgnes (4) au moyen d'agrafes (9).
- Elément selon la revendication 2, caractérisé en ce que les touffes de fils (5) sont pliées et chevauchées par les agrafes (9), celles-ci étant fichées dans le panneau (1), au fond des trous borgnes (4).
- Elément selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le panneau (1) est un monolithe en résine de synthèse.
- Elément selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les fils (6) sont en polyester.
- Elément selon la revendication 5, caractérisé en ce que le panneau (1) est en polyéthylène basse densité et les fils (6) sont en téréphtalate de polybutène.
- Elément selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les fils (6) sont des fibres monolithiques.
- Elément selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'une partie au moins des vides (3) du panneau à claire-voie (1) sont comblés, au moins partiellement, par un corps élastique (11).
- Elément selon la revendication 8, caractérisé en ce que le panneau (1) est posé sur un tapis (10) en une matière solide élastique, ledit tapis présentant des bourrelets superficiels (11) qui sont séparés par un réseau de cannelures (12) et qui sont insérés dans les vides (3) dudit panneau.
- Piste artificielle de glisse, comprenant un assemblage d'éléments conformes à l'une quelconque des revendications 1 à 9.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES04002514T ES2350577T3 (es) | 2004-02-05 | 2004-02-05 | Elemento de pista artificial de deslizamiento y pista artificial de deslizamiento que comprende dicho elemento. |
DE602004028566T DE602004028566D1 (de) | 2004-02-05 | 2004-02-05 | Künstliches Pistengleitelement und künstliche Gleitpiste mit einem solchen Element |
AT04002514T ATE477372T1 (de) | 2004-02-05 | 2004-02-05 | Künstliches pistengleitelement und künstliche gleitpiste mit einem solchen element |
EP04002514A EP1561862B1 (fr) | 2004-02-05 | 2004-02-05 | Elément de piste artificielle de glisse et piste artificielle de glisse comprenant un tel élément |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04002514A EP1561862B1 (fr) | 2004-02-05 | 2004-02-05 | Elément de piste artificielle de glisse et piste artificielle de glisse comprenant un tel élément |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1561862A1 true EP1561862A1 (fr) | 2005-08-10 |
EP1561862B1 EP1561862B1 (fr) | 2010-08-11 |
Family
ID=34673671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04002514A Expired - Lifetime EP1561862B1 (fr) | 2004-02-05 | 2004-02-05 | Elément de piste artificielle de glisse et piste artificielle de glisse comprenant un tel élément |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1561862B1 (fr) |
AT (1) | ATE477372T1 (fr) |
DE (1) | DE602004028566D1 (fr) |
ES (1) | ES2350577T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012076864A1 (fr) * | 2010-12-07 | 2012-06-14 | Proslope Limited | Ensemble surface destiné à une utilisation dans une piste de ski artificielle |
CN105970768A (zh) * | 2016-06-08 | 2016-09-28 | 成都天航智虹企业管理咨询有限公司 | 一种用于旱地滑雪的复合滑雪单元及安装方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3574107A (en) | 1968-04-05 | 1971-04-06 | Usm Corp | Artificial skiing surfaces |
GB1418458A (en) | 1971-11-19 | 1975-12-17 | Metriframe Structures Ltd | Surfaces for use as an artificial ski slope |
US4451032A (en) * | 1980-11-10 | 1984-05-29 | Nederlandse Kuntstofindustrie Soesterberg | Plastic ski slide |
GB2139506A (en) * | 1983-05-11 | 1984-11-14 | Dendix Gem Brushes Limited | Surfaces for standing and walking on by persons wearing skis |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0280408A (ja) * | 1988-09-16 | 1990-03-20 | Nippon Kayaku Co Ltd | 電子部品用組成物 |
JP3088933B2 (ja) * | 1995-06-06 | 2000-09-18 | 良市 松岡 | 人工芝生 |
-
2004
- 2004-02-05 DE DE602004028566T patent/DE602004028566D1/de not_active Expired - Lifetime
- 2004-02-05 ES ES04002514T patent/ES2350577T3/es not_active Expired - Lifetime
- 2004-02-05 EP EP04002514A patent/EP1561862B1/fr not_active Expired - Lifetime
- 2004-02-05 AT AT04002514T patent/ATE477372T1/de not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3574107A (en) | 1968-04-05 | 1971-04-06 | Usm Corp | Artificial skiing surfaces |
GB1418458A (en) | 1971-11-19 | 1975-12-17 | Metriframe Structures Ltd | Surfaces for use as an artificial ski slope |
US4451032A (en) * | 1980-11-10 | 1984-05-29 | Nederlandse Kuntstofindustrie Soesterberg | Plastic ski slide |
GB2139506A (en) * | 1983-05-11 | 1984-11-14 | Dendix Gem Brushes Limited | Surfaces for standing and walking on by persons wearing skis |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012076864A1 (fr) * | 2010-12-07 | 2012-06-14 | Proslope Limited | Ensemble surface destiné à une utilisation dans une piste de ski artificielle |
CN105970768A (zh) * | 2016-06-08 | 2016-09-28 | 成都天航智虹企业管理咨询有限公司 | 一种用于旱地滑雪的复合滑雪单元及安装方法 |
CN105970768B (zh) * | 2016-06-08 | 2018-05-29 | 尖锋 | 一种用于旱地滑雪的复合滑雪单元及安装方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1561862B1 (fr) | 2010-08-11 |
ES2350577T3 (es) | 2011-01-25 |
DE602004028566D1 (de) | 2010-09-23 |
ATE477372T1 (de) | 2010-08-15 |
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