EP1965873B1 - Device for a ski facility - Google Patents

Device for a ski facility Download PDF

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Publication number
EP1965873B1
EP1965873B1 EP06841156A EP06841156A EP1965873B1 EP 1965873 B1 EP1965873 B1 EP 1965873B1 EP 06841156 A EP06841156 A EP 06841156A EP 06841156 A EP06841156 A EP 06841156A EP 1965873 B1 EP1965873 B1 EP 1965873B1
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EP
European Patent Office
Prior art keywords
structural part
elements
fluoropolymer
ski
substructure
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EP06841156A
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German (de)
French (fr)
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EP1965873A1 (en
Inventor
Thomas Lanzl
Frank Wachter
Michael Schwarz
Michael Schöbel
Udo Steffl
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Rehau Automotive SE and Co KG
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Rehau AG and Co
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Priority claimed from DE200510062710 external-priority patent/DE102005062710A1/en
Priority claimed from DE200510062711 external-priority patent/DE102005062711A1/en
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Priority to SI200631570T priority Critical patent/SI1965873T1/en
Publication of EP1965873A1 publication Critical patent/EP1965873A1/en
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Publication of EP1965873B1 publication Critical patent/EP1965873B1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/10—Ice-skating or roller-skating rinks; Slopes or trails for skiing, ski-jumping or tobogganing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2201/00—Use of skates, skis, roller-skates, snowboards and courts
    • A63C2201/04—Ski jumping

Definitions

  • the invention relates to a device for a ski system, in particular a ski jumping facility or cross-country ski, having a substructure and at least one track-bound infrastructure for winter / summer operation.
  • document FR 2218915 describes a device according to the preamble of claim 1.
  • the present invention is therefore an object of the invention to provide a device that can better compensate for different changes in length, especially in the temperature differences between summer and winter and allows extensive thermal separation between the substrate and the shots for snow or ice and / or sliding elements ,
  • the object is achieved by a device having a component which is approximately parallel with respect to the substructure and offset from one another with a height difference arranged surfaces which are interconnected by at least one side wall, and arranged with arranged on the substructure supporting elements in Active connection is located and spaced from the substructure is arranged.
  • the component is thermally decoupled from the substructure and different changes in length between the component and the substructure can be better compensated.
  • a particular embodiment provides that the track-bound driving paths for the winter and summer operation are arranged alternately side by side. This means that the ski system can be used year-round without conversion measures, and the installation space required for the track-bound roadways in width is reduced.
  • the height difference between the parallel offset surfaces is preferably chosen so that the tread on snow or ice has the same height as the Tread on the sliding surfaces in summer.
  • Temperianssmodule in the substructure and / or on the component, so that a constant temperature of the routes can be adjusted.
  • media-carrying cables as well as self-limiting and safety-insulated heating cables can be used.
  • Temper michsmodule the snow or ice can be cooled in the device.
  • the component can be heated by the temperature control modules on the substructure and / or the component underside.
  • the Temper michsmodule be arranged for cooling at the bottom of the recording of the component for the snow or ice.
  • the support element on one or more sensors. These can also be arranged between the support element and the component, as well as between the support element and substructure.
  • z. B forces that are introduced by a skier / -springer in the component, recorded.
  • the sensors are used, for example, in the jump area of ski jumps to accommodate the introduction of force of the ski jumpers and thus their Absprungkraft and Absprungort.
  • the components are provided with elements for increasing the component rigidity. These may be formed, for example, as stiffening webs or as inserts of components of a material having a greater strength.
  • the stiffening webs can also be formed in the recordings in which the snow or ice is introduced in winter, as transverse webs, so that simultaneously with the increase in stability of the components of the snow or the ice is secured against slipping.
  • the stiffeners of the component are formed as support elements.
  • components with the same cross section are used side by side or one behind the other.
  • sliding elements are arranged on the component, which enable use of the ski system even without snow or ice.
  • the surface of the sliding elements can be profiled such that nubs are introduced.
  • rotational body are conceivable, which are rotatably mounted in the sliding member and on which the ski is moved. It is possible to introduce the knobs, rotation body and other sliding body in the surface of the component, so that no separate sliding element is necessary.
  • the components are designed and arranged so that a supply channel for supply and / or disposal elements is formed on at least one side of the device.
  • the supply and / or disposal lines may be media-carrying lines and / or power and / or telecommunication lines.
  • the surfaces of the running track which come into contact with the ski also in sections / partially, consist of a fluoropolymer.
  • the surfaces that come into contact with the ski include not only the actual running surface but also the sidewalls of the running track, which delimit the track laterally and guide the ski.
  • the base material to which the fluoropolymer is applied advantageously consists of wood, plastic, metal and / or ceramic.
  • suitable materials as base material are conceivable.
  • the nubs of the track are at least partially / partially coated from a fluoropolymer or with a fluoropolymer.
  • a coefficient of sliding friction between ski and sliding surface at wet testing below 0.06 can be achieved with a fluoropolymer-coated dimpled profiled sliding surface, whereas conventional systems such as glass, glass ceramic, porcelain, ceramic and steel or stainless steel surfaces have a coefficient of sliding friction in the range of 0 , 07 to 0.13 have the same experimental design.
  • the test speed in the tests is 0.5 m / min with a test path of 150 mm.
  • the coefficient of sliding friction can be determined from the quotient of the determined frictional force and the normal force applied by the weights.
  • a good sliding friction also show mixtures of the aforementioned substances,
  • fillers are added to the fluoropolymers / mixtures.
  • metal oxides such as silica, alumina, titania and / or zirconia
  • metal carbides such as.
  • silicon carbide tungsten carbide and / or zirconium carbide
  • nitrides such as boron nitride and / or silicon nitride, and oxynitrides of the aforementioned compounds, in particular silizumoxinitride, boroxinitride, aluminum oxynitride, titanium oxynitride and / or zirconium oxynitride, and / or carbon fibers, glass fibers, aluminum silicates, mica ( Mica) and / or soot.
  • the production of the fluoropolymer surface in the areas in contact with the ski can be carried out either by coextrusion, 2-component injection molding or by applying a multilayer film.
  • sliding elements such.
  • the ski-lanes according to the invention can be used for ski jumping equipment, for cross-country ski trails or for gliding length and thus allow training runs and competitions to be carried out even without snow and / or ice.
  • separating elements can be arranged which mechanically separate the components from one another.
  • the separating elements consist of an elastic material, preferably silicone.
  • a carrier plate belonging to the substructure can be connected to the component to form an assembly by means of suitable connecting means.
  • connection means plug and / or snap-in connections or screw and / or rivet connections are advantageously used. This makes a quick and uncomplicated connection and replacement of the components / assemblies possible.
  • the substructure is to replicate the course of the track.
  • the surface of the substructure can be edited.
  • Another possibility is to lay a carrier plate on the substructure and to connect with other adjacent carrier plates. Thereafter, the carrier plate is mounted on the substructure and aligned or adjusted. If the substructure or the carrier plate adapted to the infrastructure, the gap between the support plate and substructure is sealed. In the resulting cavity between the support plate and base is a curing material, such. As concrete filled. After curing of the material or the replica of the infrastructure in the substructure, the support elements can be mounted on it.
  • Temper michasmodule are provided under the components, they are placed in the next step on the substructure / the support plate and fixed if necessary. Thereafter, the components are placed on the support elements and connected to them. Also for this connection, the aforementioned connecting means can be used. Next Temper michsmodule and supply and / or disposal lines are arranged and fixed on the components. As a conclusion, the track limiting devices and the sliding elements are arranged on the components.
  • a device (1) which is composed of three identical components (2) which are mounted on the support plate (30) connected to the supporting elements (4).
  • the components (2) are arranged at a distance from the carrier plate (30), so that there is a thermal separation between the parts (2, 30).
  • sensors (5) With the between the components (2) and the support elements (4) arranged sensors (5), the force can be absorbed, which is introduced into the component.
  • the travel paths (W1, W2) for winter operation Temper michsmodule (6) are arranged, which are formed in this embodiment as a media-carrying lines.
  • guide elements (7) are arranged, on which z. B. a track milling machine can be performed.
  • the sliding elements (8) and the track limiting devices (9) are fastened to the components (2) and consist, for example, of PTFE.
  • a supply channel (V) is formed, in which the power and water pipes for z.
  • FIG. 2 a section of a further device (1) according to the invention is shown.
  • the sensors (5) in an alternate arrangement of the routes (W1, W2, S1, S2) for winter and for summer operation, the force applied in each track (w1, W2, S1, S2), to separately can be placed under the sliding elements (8), a specially shaped element (10) can be arranged.
  • This element (10) is designed so that the introduced force is passed on only via a component (2) in the sensor (5).
  • FIG. 3 a route for winter operation (W1) is shown.
  • the inclusion of the component (2) is filled with snow or ice (11).
  • a track (W1) is milled, so that no Fahrwegbegrenzungs wornen (9) are necessary.
  • the support elements (4) have no sensors (5) in this example.
  • FIG. 4 is shown a section of a combined driveway for summer and winter operation.
  • the sliding elements (8) for the summer operation on the inclusion of the component (2) for winter operation. This is achieved at the same time that in summer operation, the images are covered for the snow, so that the Temper michsmodule (6), which are located in this recording, are protected. In winter operation, the sliding elements (8) are removed and stored protected.
  • An advantage of this construction is that only a small space requirement for the routes in width is needed.

Description

Die Erfindung betrifft eine Vorrichtung für eine Skianlage, insbesondere eine Skisprunganlage oder Langlaufloipe, die einen Unterbau und mindestens einen spurgebundenen Fahrweg für den Winter-/Sommerbetrieb aufweist.The invention relates to a device for a ski system, in particular a ski jumping facility or cross-country ski, having a substructure and at least one track-bound infrastructure for winter / summer operation.

Vorbekannt ist eine Vielzahl von Anlaufspuren für Skisprunganlagen, die Aufnahmen für Schnee bzw. Eis und/oder für Gleitelemente haben. Damit ist eine Ganzjährige Nutzung der Anlagen moglich.Previously known is a variety of start-up tracks for ski jumping facilities that have recordings for snow or ice and / or for sliding elements. Thus, a year-round use of the facilities is possible.

Dokument FR 2218915 beschreibt eine Vorrichtung gemäß dem Oberbegriff von Anspruch 1.document FR 2218915 describes a device according to the preamble of claim 1.

Ein Nachteil wird darin gesehen, dass die Aufnahmen für Schnee bzw. Eis und/oder für Gleitelemente fest mit einer Trägerplatte verbunden sind, wodurch Ausdehnungen durch Temperaturschwankungen nur schlecht ausgeglichen werden können. Weiterhin sind die Aufnahmen für den Schnee bzw. das Eis thermisch mit dem Untergrund verbunden.A disadvantage is seen in the fact that the images for snow or ice and / or sliding elements are firmly connected to a support plate, whereby expansions can be compensated by temperature fluctuations only poorly. Furthermore, the images for the snow or ice are thermally connected to the ground.

Der vorliegenden Erfindung liegt somit die Aufgabe zugrunde, eine Vorrichtung aufzuzeigen, die unterschiedliche Längenänderungen, besonders bei den Temperaturunterschieden zwischen Sommer und Winter, besser ausgleichen kann und eine weitgehende thermische Trennung zwischen Untergrund und den Aufnahmen für Schnee bzw. Eis und/oder für Gleitelemente ermöglicht.The present invention is therefore an object of the invention to provide a device that can better compensate for different changes in length, especially in the temperature differences between summer and winter and allows extensive thermal separation between the substrate and the shots for snow or ice and / or sliding elements ,

Die Aufgabe wird erfindungsgemäß gelöst durch eine Vorrichtung, die ein Bauteil, das in etwa parallele in Bezug auf den Unterbau und zueinander mit einem Höhenunterschied versetzt angeordnete Flächen aufweist, die durch mindestens eine Seitenwand miteinander verbunden sind, und das mit auf dem Unterbau angeordneten Abstützelementen in Wirkverbindung steht und beabstandet vom Unterbau angeordnet ist. Damit ist das Bauteil vom Unterbau thermisch entkoppelt und unterschiedliche Längenänderungen zwischen dem Bauteil und dem Unterbau können besser ausgeglichen werden.The object is achieved by a device having a component which is approximately parallel with respect to the substructure and offset from one another with a height difference arranged surfaces which are interconnected by at least one side wall, and arranged with arranged on the substructure supporting elements in Active connection is located and spaced from the substructure is arranged. Thus, the component is thermally decoupled from the substructure and different changes in length between the component and the substructure can be better compensated.

Eine besondere Ausführungsform sieht vor, dass die spurgebundenen Fahrwege für den Winter- und Sommerbetrieb abwechseln nebeneinander angeordnet sind. Damit ist die Skianlage ganzjährig ohne Umbaumaßnahmen nutzbar und der Bauraum, der für die spurgebundenen Fahrwege in der Breite benötigt wird, wird verringert. Damit sich die Charakteristik des Anlaufs zwischen den Fahrwegen im Winter- und im Sommerbetrieb nicht bzw. nur kaum voneinander unterscheiden, wird der Höhenunterschied zwischen den parallel versetzten Flächen bevorzugt so gewählt, dass die Lauffläche auf Schnee bzw. Eis die gleiche Höhe aufweist, wie die Lauffläche auf den Gleitflächen im Sommer.A particular embodiment provides that the track-bound driving paths for the winter and summer operation are arranged alternately side by side. This means that the ski system can be used year-round without conversion measures, and the installation space required for the track-bound roadways in width is reduced. Thus, the characteristics of the start between the roads in winter and summer operation not or hardly differ from each other, the height difference between the parallel offset surfaces is preferably chosen so that the tread on snow or ice has the same height as the Tread on the sliding surfaces in summer.

Es können vorteilhafterweise auch Temperierungsmodule im Unterbau und/oder am Bauteil angeordnet werden, so dass eine gleichbleibende Temperatur der Fahrwege eingestellt werden kann. Für die Temperierung können sowohl medienführende Leitungen als auch selbstlimitierende und schutzisolierte Heizbänder verwendet werden. Mit Hilfe der Temperierungsmodule kann der Schnee bzw. das Eis in der Vorrichtung gekühlt werden. Um die Eisbildung an der Unterseite des Bauteils zu vermindern bzw. ganz zu verhindern, kann das Bauteil durch die Temperierungsmodule an dem Unterbau und/oder der Bauteilunterseite beheizt werden. Bevorzugt werden die Temperierungsmodule zum Kühlen am Boden der Aufnahme des Bauteils für den Schnee bzw. das Eis angeordnet.It can also be advantageously arranged Temperierungsmodule in the substructure and / or on the component, so that a constant temperature of the routes can be adjusted. For temperature control, media-carrying cables as well as self-limiting and safety-insulated heating cables can be used. With the help of Temperierungsmodule the snow or ice can be cooled in the device. In order to reduce or completely prevent the formation of ice on the underside of the component, the component can be heated by the temperature control modules on the substructure and / or the component underside. Preferably, the Temperierungsmodule be arranged for cooling at the bottom of the recording of the component for the snow or ice.

In einer vorteilhaften Ausgestaltung weist das Abstützelement einen oder mehrere Sensoren auf. Diese können auch zwischen dem Abstützelement und dem Bauteil, sowie zwischen Abstützelement und Unterbau angeordnet sein. Somit können z. B. Kräfte, die durch einen Skifahrer/-springer in das Bauteil, eingeleitet werden, aufgezeichnet werden.In an advantageous embodiment, the support element on one or more sensors. These can also be arranged between the support element and the component, as well as between the support element and substructure. Thus, z. B. forces that are introduced by a skier / -springer in the component, recorded.

Als besonders günstig hat sich erwiesen, Kraftmesssensoren und/oder Wegmesssensoren und/oder Dehnungsmesssensoren und/oder phasenoptische Sensoren einzusetzen.It has proved to be particularly favorable to use force measuring sensors and / or displacement measuring sensors and / or strain sensors and / or phase-optical sensors.

Die Sensoren werden beispielsweise im Absprungbereich von Sprungschanzen eingesetzt, um die Krafteinleitung der Skispringer und somit deren Absprungkraft und Absprungort aufzunehmen.The sensors are used, for example, in the jump area of ski jumps to accommodate the introduction of force of the ski jumpers and thus their Absprungkraft and Absprungort.

Gemäß einer bevorzugten Ausführungsform der Erfindung werden die Bauteile mit Elementen zur Erhöhung der Bauteilsteifigkeit versehen. Diese können zum Beispiel als Versteifungsstege oder als Einlagen von Bauteilen eines Werkstoffs mit einer größeren Festigkeit ausgebildet sein.According to a preferred embodiment of the invention, the components are provided with elements for increasing the component rigidity. These may be formed, for example, as stiffening webs or as inserts of components of a material having a greater strength.

Die Versteifungsstege können auch in den Aufnahmen, in denen im Winter der Schnee bzw. das Eis eingebracht wird, als Querstege ausgebildet sein, so dass gleichzeitig mit der Stabilitätserhöhung der Bauteile der Schnee bzw. das Eis vor dem Abrutschen gesichert wird. In einer weiteren Ausführungsform sind die Versteifungen des Bauteils als Abstützelemente ausgebildet.The stiffening webs can also be formed in the recordings in which the snow or ice is introduced in winter, as transverse webs, so that simultaneously with the increase in stability of the components of the snow or the ice is secured against slipping. In a further embodiment, the stiffeners of the component are formed as support elements.

Um die Anzahl unterschiedlicher Bauteile, auch im Hinblick auf die Ersatzteillagerung, zu reduzieren, werden vorzugsweise Bauteile mit gleichem Querschnitt nebeneinander bzw. hintereinander eingesetzt.In order to reduce the number of different components, also with regard to the spare parts storage, preferably components with the same cross section are used side by side or one behind the other.

Für die seitliche Begrenzung der Fahrwege werden bevorzugt Fahrbegrenzungseinrichtungen an dem Bauteil angebracht. Damit wird verhindert, dass der Ski den Fahrweg verlässt. Bei der Formung des Fahrwegs in Schnee bzw. Eis können diese Einrichtungen entfallen, wenn die seitliche Begrenzung in den Schnee bzw. das Eis eingeformt wird.For the lateral boundary of the routes preferred Fahrbegrenzungseinrichtungen be attached to the component. This prevents the ski from leaving the guideway. When forming the guideway in snow or ice, these facilities can be omitted if the lateral boundary is formed in the snow or ice.

In einer bevorzugten Ausführungsform werden auf dem Bauteil Gleitelemente angeordnet, die eine Nutzung der Skianlage auch ohne Schnee bzw. Eis ermöglichen. Diese können verschieden ausgebildet sein. Zum Beispiel kann die Oberfläche der Gleitelemente derart profiliert sein, dass Noppen eingebracht sind. Weiterhin sind auch Rotationskörper denkbar, die drehbar in dem Gleitelement gelagert sind und auf denen der Ski bewegt wird. Es ist auf möglich, die Noppen, Rotationskörper und andere Gleitkörper in die Oberfläche des Bauteils einzubringen, so dass kein separates Gleitelement notwendig ist.In a preferred embodiment, sliding elements are arranged on the component, which enable use of the ski system even without snow or ice. These can be designed differently. For example, the surface of the sliding elements can be profiled such that nubs are introduced. Furthermore, also rotational body are conceivable, which are rotatably mounted in the sliding member and on which the ski is moved. It is possible to introduce the knobs, rotation body and other sliding body in the surface of the component, so that no separate sliding element is necessary.

Gemäß einer weiteren Ausführungsform der Erfindung werden die Bauteile so gestaltet und angeordnet, dass auf mindestens einer Seite der Vorrichtung ein Versorgungskanal für Ver- und/oder Entsorgungselemente ausgebildet ist. Dabei können die Ver- und/oder Entsorgungsleitungen medienführende Leitungen und/oder Strom- und/oder Telekommunikationsleitungen sein.According to a further embodiment of the invention, the components are designed and arranged so that a supply channel for supply and / or disposal elements is formed on at least one side of the device. The supply and / or disposal lines may be media-carrying lines and / or power and / or telecommunication lines.

Es hat sich gezeigt, dass das Bauteil und/oder die Gleitelemente und/oder die Fahrwegbegrenzungseinrichtungen vorteilhaft aus Metall, Keramik, Holz und/oder Polymeren bestehen.It has been shown that the component and / or the sliding elements and / or the Fahrwegbegrenzungseinrichtungen advantageously made of metal, ceramic, wood and / or polymers.

Besonders gute Gleiteigenschaften können überraschenderweise erzierlt werden, wenn das Bauteil und/oder die Gleitelemente und/oder die Fahrwegbegrenzungseinrichtungen aus Fluorpolymeren bestehen.Surprisingly, particularly good sliding properties can be described if the component and / or the sliding elements and / or the track limiting devices consist of fluoropolymers.

Weiterhin vorteilhaft wird gesehen, dass die mit dem Ski in Kontakt tretenden Flächen der Laufspur, auch abschnittsweise/partiell, aus einem Fluorpolymer bestehen. Zu. den mit dem Ski in Kontakt tretenden Flächen zählen neben der eigentlichen Lauffläche auch die Seitenwände der Laufspur, die die Spur seitlich begrenzen und den Ski führen.Furthermore, it is advantageously considered that the surfaces of the running track which come into contact with the ski, also in sections / partially, consist of a fluoropolymer. To. The surfaces that come into contact with the ski include not only the actual running surface but also the sidewalls of the running track, which delimit the track laterally and guide the ski.

Mit der erfindungsgemäßen Auswahl eines Fluorpolymers gelingt es, die Gleitbedingungen im Sommerbetrieb an das Verhalten bei Schnee und/oder Eis anzunähern, wodurch die Übungs- und Wettkampfbedingungen auch im Sommer verbessert werden.With the selection of a fluoropolymer according to the invention it is possible to approximate the sliding conditions in summer operation to the behavior in snow and / or ice, whereby the exercise and competition conditions are improved in the summer.

Es hat sich gezeigt, dass eine Mindestdicke der Fluorpolymerschicht von 10 µm notwendig ist, um eine ausreichende Verschleißfestigkeit zu erhalten. Dabei besteht das Grundmaterial, auf das das Fluorpolymer aufgebracht wird, vorteilhaft aus Holz, Kunststoff, Metall und/oder Keramik. Jedoch sind auch andere geeignete Werkstoffe als Grundmaterial denkbar.It has been found that a minimum thickness of the fluoropolymer layer of 10 μm is necessary in order to obtain sufficient wear resistance. In this case, the base material to which the fluoropolymer is applied advantageously consists of wood, plastic, metal and / or ceramic. However, other suitable materials as base material are conceivable.

In einer weiteren vorteilhaften Ausbildung sind die Noppen der Laufspur zumindest abschnittsweise/partiell aus einem Fluorpolymer bzw. mit einem Fluorpolymer beschichtet. Bei Versuchen mit verschiedenen Ski kann mit einer fluorpolymerbeschichteten Noppenprofilierten Gleitfläche ein Gleitreibungskoeffizient zwischen Ski und Gleitfläche bei Nassprüfung unter 0,06 erreicht werden, während herkömmliche Systeme, wie Glas, Glaskeramik, Porzellan, Keramik und Stahl bzw. Edelstahloberflächen, einen Gleitreibungskoeffizienten im Bereich von 0,07 bis 0,13 bei gleicher Versuchsanordnung aufweisen.In a further advantageous embodiment, the nubs of the track are at least partially / partially coated from a fluoropolymer or with a fluoropolymer. In tests with different skis, a coefficient of sliding friction between ski and sliding surface at wet testing below 0.06 can be achieved with a fluoropolymer-coated dimpled profiled sliding surface, whereas conventional systems such as glass, glass ceramic, porcelain, ceramic and steel or stainless steel surfaces have a coefficient of sliding friction in the range of 0 , 07 to 0.13 have the same experimental design.

Die Prüfanordnung zur Ermittlung des Gleitreibungskoeffizienten unter Normbedingungen sieht wie folgt aus:

  • die zu prüfende Gleitfläche befindet sich in einem Behälter, dessen Wasserstand mit der Oberkante der Gleitfläche abschließt,
  • auf der Gleitfläche ist ein Skiabschnitt, der mit Gewichten von 24 kg, 32,5 kg oder 40 kg beschwert ist, angeordnet.
  • eine Zugmaschine ist mit dem Ski verbunden, so dass die Reibkraft zwischen Ski und Gleitfläche aufgezeichnet werden kann.
The test arrangement for determining the coefficient of sliding friction under standard conditions is as follows:
  • the sliding surface to be tested is located in a container whose water level is flush with the upper edge of the sliding surface,
  • On the sliding surface is a ski section weighted with weights of 24 kg, 32.5 kg or 40 kg arranged.
  • a tractor is connected to the ski, so that the frictional force between the ski and sliding surface can be recorded.

Die Prüfgeschwindigkeit bei den Versuchen ist 0,5 m/min bei einem Prüfweg von 150 mm. Aus dem Quotienten der ermittelten Reibkraft und der durch die Gewichte aufgebrachten Normalkraft kann der Gleitreibungskoeffizient ermittelt werden.The test speed in the tests is 0.5 m / min with a test path of 150 mm. The coefficient of sliding friction can be determined from the quotient of the determined frictional force and the normal force applied by the weights.

Es ist vorteilhaft, drehbar gelagerte Rotationskörper, bevorzugt in einer Kugelausführung, in die Laufspur einzubringen und aus einem Fluorpolymer herzustellen oder mit einem Fluorpolymer zu beschichten. Durch das Rotieren der Körper nach dem Passieren eines Skis tritt eine veränderte Stellung der Rotationskörper auf. Damit wird der Verschleiß von einem Berührungspunkt des Rotationskörpers, wie bei den Noppen üblich, auf eine Berührungslinie verteilt, so dass eine längere Benutzungsphase möglich ist.It is advantageous to introduce rotatably mounted rotary bodies, preferably in a ball design, into the track and to produce them from a fluoropolymer or to coat them with a fluoropolymer. By rotating the body after passing a ski, an altered position of the rotary body occurs. Thus, the wear of a point of contact of the rotating body, as usual in the nubs, distributed on a contact line, so that a longer period of use is possible.

Es hat sich weiterhin gezeigt, dass es vorteilhaft ist, das Fluorpolymer aus der Gruppe Polytetrafluorethylen (PTFE), Polyfluorethylenpropylen (FEP), Copolymerisate von Tetrafluorethylen mit Perfluorvinylethern (PFA und MFA), Polyvinylidenfluorid (PVDF), Polyvinylfluorid (PVF), Polychlortrifluorethylen (PCTFE), Ethylen-chlortrifluorethylen-Copolymer (ECTFE), PTFE-Copolymer mit 2,2-Bis(trifluormethyl)-4,5-Difluor-1,3-Dioxolan (AF), Tetrafluorethylen-Hexafluorpropylen-Vinylidenfluorid-Copolymer (THV) oder Hexaftuorpropylen-tetrafluorethylen-Ethylen-Copolymer (HTE) auszuwählen. Ein gutes Gleitreibungsverhalten zeigen auch Mischungen der vorgenannten Stoffe, sowie Mischungen der vorgenannten Stoffe bzw. deren Mischungen mit Thermoplasten, Duroplasten und dergleichen.It has also been shown that it is advantageous to use the fluoropolymer of the group polytetrafluoroethylene (PTFE), polyfluoroethylene propylene (FEP), copolymers of tetrafluoroethylene with perfluorovinyl ethers (PFA and MFA), polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF), polychlorotrifluoroethylene (PCTFE ), Ethylene-chlorotrifluoroethylene copolymer (ECTFE), PTFE copolymer with 2,2-bis (trifluoromethyl) -4,5-difluoro-1,3-dioxolane (AF), tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride copolymer (THV) or Hexafluoropropylene-tetrafluoroethylene-ethylene copolymer (HTE). A good sliding friction also show mixtures of the aforementioned substances, as well as mixtures of the aforementioned substances or their mixtures with thermoplastics, thermosets and the like.

Um die Verschleißfestigkeit der mit dem Ski in Kontakt tretenden Flächen des Spursystems zu erhöhen, werden den Fluorpolymeren/-mischungen Füllstoffe zugegeben. Dabei können als Füllstoffe Metalloxide, wie zum Beispiel Siliziumdioxid, Aluminiumoxid, Titandioxid und/oder Zirkoniumoxid, Metallcarbide, wie z. B. Siliziumcarbid, Wolframcarbid und/oder Zirkoniumcarbid, Nitride, wie beispielsweise Bornitrid und/oder Siliziumnitrid, sowie Oxinitride der vorgenannten Verbindungen, insbesondere Silizumoxinitrid, Boroxinitrid, Aluminiumoxinitrid, Titanoxinitrid und/oder Zirkoniumoxinitrid, und/oder Kohlenstofffasern, Glasfasern, Aluminiumsilikate, Glimmer (Mica) und/oder Russ verwendet werden.In order to increase the wear resistance of the surfaces of the track system that come into contact with the ski, fillers are added to the fluoropolymers / mixtures. In this case, metal oxides, such as silica, alumina, titania and / or zirconia, metal carbides, such as. As silicon carbide, tungsten carbide and / or zirconium carbide, nitrides, such as boron nitride and / or silicon nitride, and oxynitrides of the aforementioned compounds, in particular silizumoxinitride, boroxinitride, aluminum oxynitride, titanium oxynitride and / or zirconium oxynitride, and / or carbon fibers, glass fibers, aluminum silicates, mica ( Mica) and / or soot.

In diesem Zusammenhang hat sich auch gezeigt, dass eine Beschichtung von Holz, Metall und Keramik mit den vorgenannten Stoffen zu einem guten Gleitverhalten zwischen Ski und Oberfläche führen.In this context, it has also been shown that a coating of wood, metal and ceramic with the aforementioned substances lead to a good sliding behavior between the ski and the surface.

Die Herstellung der Fluorpolymeroberfläche in den mit dem Ski in Kontakt tretenden Flächen kann sowohl durch Koextrusion, 2-Komponenten Spritzguss oder durch Aufbringen einer Mehrschichtfolie erfolgen. Auch besteht die Möglichkeit Gleitelemente, wie z. B. Noppen oder Rotationskörper durch Drehen oder Fräsen aus Vollmaterial herzustellen.The production of the fluoropolymer surface in the areas in contact with the ski can be carried out either by coextrusion, 2-component injection molding or by applying a multilayer film. There is also the possibility sliding elements, such. B. knobs or rotating body by turning or milling of solid material.

Die erfindungsgemäßen Skilaufspuren können für Skisprunganlagen, für Langlaufloipen oder für Gleithänge eingesetzt werden und ermöglichen somit auch ohne Schnee und/oder Eis die Durchführung von Trainingsläufen und Wettkämpfen.The ski-lanes according to the invention can be used for ski jumping equipment, for cross-country ski trails or for gliding length and thus allow training runs and competitions to be carried out even without snow and / or ice.

Durch die Anordnung von mehreren vorbeschriebenen Bauteilen hintereinander und/oder nebeneinander entlang einer Skianlage ist die Ausbildung eines gesamten Fahrwegs möglich. Dabei können in einzelnen Abschnitten auch unterschiedliche Bauteile eingesetzt werden. Außerdem ist es möglich, die Bauteile nur abschnittsweise, partiell entlang einer Skianlage zu verlegen.The arrangement of several above-described components behind one another and / or next to each other along a ski system, the formation of an entire infrastructure is possible. In this case, different components can be used in individual sections. In addition, it is possible to lay the components only partially, partially along a ski system.

Zwischen den hintereinander angeordneten Bauteilen können Trennelemente angeordnet sein, die die Bauteile mechanisch voneinander trennen. Damit ist beim Einsatz von Sensoren eine bauteilbezogene Kraftaufzeichnung möglich. Die Trennelemente bestehen aus einem elastischen Werkstoff, vorzugsweise Silikon.Between the components arranged one behind the other, separating elements can be arranged which mechanically separate the components from one another. Thus, a component-related force recording is possible when using sensors. The separating elements consist of an elastic material, preferably silicone.

In diesem Zusammenhang wurden auch erkannt, dass eine zum Unterbau gehörende Trägerplatte mit Hilfe geeigneter Verbindungsmittel mit dem Bauteil zu einer Baugruppe verbunden werden kann.In this connection, it has also been recognized that a carrier plate belonging to the substructure can be connected to the component to form an assembly by means of suitable connecting means.

Auch können an einer oder an zwei gegenüberliegenden Seiten der Baugruppe, bestehend aus Trägerplatte und Bauteil, Verbindungsmittel angeordnet sein. Damit ist ein Verbinden der einzelnen Elemente zu einer komplexen Anordnung möglich.Also can be arranged on one or on two opposite sides of the assembly consisting of carrier plate and component, connecting means. This makes it possible to connect the individual elements to a complex arrangement.

Für die Verbindungsmittel werden vorteilhaft Steck- und/oder Rastverbindungen oder Schraub- und/oder Nietverbindungen eingesetzt. Damit ist ein schnelles und unkompliziertes Verbinden und Austauschen der Bauteile/Baugruppen möglich.For the connection means plug and / or snap-in connections or screw and / or rivet connections are advantageously used. This makes a quick and uncomplicated connection and replacement of the components / assemblies possible.

Für das Anbringen der genannten Baugruppen auf den Unterbau einer Skianlage sind je nach Ausführungsform unterschiedliche Verfahrensschritte notwendig.Depending on the embodiment, different method steps are necessary for attaching the aforementioned assemblies to the substructure of a ski system.

Zuerst ist der Unterbau dem Verlauf des Fahrwegs nachzubilden. Dazu kann die Oberfläche des Unterbaus bearbeitet werden. Eine weitere Möglichkeit besteht darin, eine Trägerplatte auf dem Unterbau zu verlegen und mit anderen angrenzenden Trägerplatten zu verbinden. Danach wird die Trägerplatte auf dem Unterbau befestigt und ausgerichtet bzw. justiert. Ist der Unterbau bzw. die Trägerplatte dem Fahrweg angepasst, so wird der Spalt zwischen Trägerplatte und Unterbau abgedichtet. In den so entstehenden Hohlraum zwischen Trägerplatte und Unterbau wird ein aushärtender Stoff, wie z. B. Beton, eingefüllt. Nach dem Aushärten des Stoffs bzw. der Nachbildung des Fahrwegs im Unterbau können die Abstützelemente darauf befestigt werden.First, the substructure is to replicate the course of the track. For this purpose, the surface of the substructure can be edited. Another possibility is to lay a carrier plate on the substructure and to connect with other adjacent carrier plates. Thereafter, the carrier plate is mounted on the substructure and aligned or adjusted. If the substructure or the carrier plate adapted to the infrastructure, the gap between the support plate and substructure is sealed. In the resulting cavity between the support plate and base is a curing material, such. As concrete filled. After curing of the material or the replica of the infrastructure in the substructure, the support elements can be mounted on it.

Dies kann mit Steck- und/oder Rastverbindungen wie auch durch Schraub- und/oder Nietverbindungen geschehen. Bei dem Einsatz von Sensoren sind diese entweder vor oder nach den Abstützelementen einzubauen.This can be done with plug and / or snap connections as well as by screw and / or rivet. When using sensors, these must be installed either before or after the support elements.

Wenn Temperierungsmodule unter den Bauteilen vorgesehen sind, werden diese im nächsten Schritt auf den Unterbau/der Trägerplatte angeordnet und wenn notwendig fixiert. Danach werden die Bauteile auf die Abstützelemente aufgelegt und mit diesen verbunden. Auch für diese Verbindung können die vorgenannten Verbindungsmittel verwendet werden. Weiter werden Temperierungsmodule und Ver- und/oder Entsorgungsleitungen auf den Bauteilen angeordnet und fixiert. Als Abschluss werden die Fahrwegbegrenzungseinrichtungen und die Gleitelemente auf den Bauteilen angeordnet.If Temperierungsmodule are provided under the components, they are placed in the next step on the substructure / the support plate and fixed if necessary. Thereafter, the components are placed on the support elements and connected to them. Also for this connection, the aforementioned connecting means can be used. Next Temperierungsmodule and supply and / or disposal lines are arranged and fixed on the components. As a conclusion, the track limiting devices and the sliding elements are arranged on the components.

Die Erfindung soll nun an nicht einschränkenden Ausführungsbeispielen näher beschrieben werden.The invention will now be described in more detail by non-limiting embodiments.

Es zeigt:

Figur 1
Vorrichtung aus drei erfindungsgemäßen Bauteilen
Figur 2
Ausschnitt mit zwei Bauteilen
Figur 3
Fahrweg für Winterbetrieb
Figur 4
Kombinierter Fahrweg für Winter- und Sommerbetrieb
It shows:
FIG. 1
Device of three components according to the invention
FIG. 2
Cutout with two components
FIG. 3
Driveway for winter operation
FIG. 4
Combined route for winter and summer operation

In Figur 1 ist eine Vorrichtung (1) dargestellt, die aus drei gleichen Bauteilen (2), die auf den mit der Trägerplatte (30) verbundenen Abstützelementen (4) gelagert sind, aufgebaut ist. Dabei sind die Bauteilen (2) von der Trägerplatte (30) beabstandet angeordnet, sodass eine thermische Trennung zwischen den Teilen (2, 30) besteht. Mit den zwischen den Bauteilen(2) und den Abstützelementen (4) angeordneten Sensoren (5) kann die Kraft aufgenommen werden, die in das Bauteil eingeleitet wird. Zur Kühlung der Fahrwege (W1, W2) für den Winterbetrieb sind Temperierungsmodule (6) angeordnet, die in diesem Ausführungsbeispiel als medienführende Leitungen ausgebildet sind. Außerdem sind an den Außenseiten der Vorrichtung (1) Führungselemente (7) angeordnet, an denen z. B. eine Spurfräse geführt werden kann.In FIG. 1 a device (1) is shown, which is composed of three identical components (2) which are mounted on the support plate (30) connected to the supporting elements (4). In this case, the components (2) are arranged at a distance from the carrier plate (30), so that there is a thermal separation between the parts (2, 30). With the between the components (2) and the support elements (4) arranged sensors (5), the force can be absorbed, which is introduced into the component. For cooling the travel paths (W1, W2) for winter operation Temperierungsmodule (6) are arranged, which are formed in this embodiment as a media-carrying lines. In addition, on the outer sides of the device (1) guide elements (7) are arranged, on which z. B. a track milling machine can be performed.

Die Gleitelemente (8) und die Fahrwegbegrenzungseinrichtungen (9) sind auf den Bauteilen (2) befestigt und bestehen beispielsweise aus PTFE.The sliding elements (8) and the track limiting devices (9) are fastened to the components (2) and consist, for example, of PTFE.

Durch die Gestaltung der Bauteile (2) wird zusätzlich zu den vier Fahrwegen (S1, S2, W1, W2) ein Versorgungskanal (V) ausgebildet, in dem die Strom- und Wasserleitungen für z. B. eine Spurfräse angeordnet werden können.The design of the components (2), in addition to the four routes (S1, S2, W1, W2) a supply channel (V) is formed, in which the power and water pipes for z. B. a track milling machine can be arranged.

In Figur 2 ist ein Ausschnitt aus einer weiteren erfindungsgemäßen Vorrichtung (1) dargestellt. Um mit den Sensoren (5) bei einer abwechselnden Anordnung der Fahrwege (W1, W2, S1, S2) für den Winter- und für den Sommerbetrieb die Kraft die in jedem Fahrweg (w1, W2, S1, S2) aufgebracht wird, separat zu messen, kann unter die Gleitelemente (8), ein speziell geformtes Element (10) angeordnet werden. Dieses Element (10) ist so ausgebildet, dass die eingeleitete Kraft nur über ein Bauteil (2) in den Sensor (5) weitergeleitet wird.In FIG. 2 a section of a further device (1) according to the invention is shown. With the sensors (5) in an alternate arrangement of the routes (W1, W2, S1, S2) for winter and for summer operation, the force applied in each track (w1, W2, S1, S2), to separately can be placed under the sliding elements (8), a specially shaped element (10) can be arranged. This element (10) is designed so that the introduced force is passed on only via a component (2) in the sensor (5).

In Figur 3 ist ein Fahrweg für den Winterbetrieb (W1) dargestellt. Die Aufnahme des Bauteils (2) ist mit Schnee bzw. Eis (11) gefüllt. In diesen Schnee (11) ist ein Fahrweg (W1) eingefräst, so dass keine Fahrwegbegrenzungseinrichtungen (9) notwendig sind. Die Abstützelemente (4) weisen in diesem Beispiel keine Sensoren (5) auf.In FIG. 3 a route for winter operation (W1) is shown. The inclusion of the component (2) is filled with snow or ice (11). In this snow (11) a track (W1) is milled, so that no Fahrwegbegrenzungseinrichtungen (9) are necessary. The support elements (4) have no sensors (5) in this example.

In Figur 4 ist ein Ausschnitt eines kombinierten Fahrwegs für Sommer- und Winterbetrieb dargestellt. Bei diesem ist es möglich, die Gleitelemente (8) für den Sommerbetrieb über der Aufnahme des Bauteils (2) für den Winterbetrieb anzuordnen. Damit wird gleichzeitig erreicht, dass bei Sommerbetrieb die Aufnahmen für den Schnee abgedeckt sind, so dass auch die Temperierungsmodule (6), die sich in dieser Aufnahme befinden, geschützt werden. Bei Winterbetrieb werden die Gleitelemente (8) abgenommen und geschützt gelagert. Ein Vorteil dieser Bauweise besteht darin, dass nur ein geringer Platzbedarf für die Fahrwege in der Breite benötigt wird.In FIG. 4 is shown a section of a combined driveway for summer and winter operation. In this case, it is possible to arrange the sliding elements (8) for the summer operation on the inclusion of the component (2) for winter operation. This is achieved at the same time that in summer operation, the images are covered for the snow, so that the Temperierungsmodule (6), which are located in this recording, are protected. In winter operation, the sliding elements (8) are removed and stored protected. An advantage of this construction is that only a small space requirement for the routes in width is needed.

Claims (32)

  1. Device (1) for a ski facility, especially a ski jump facility or a cross-country ski run, which device (1) has a substructure (3, 30) and at least one track-borne runway (W1, W2, S1, S2) for winter/summer operation, wherein a structural part (2) is operably connected to support elements (4) arranged on the substructure (3, 30) and is arranged at a distance from the substructure (3, 30), characterized in that the structural part (2) has approximately parallel surfaces which are arranged offset with a height difference relative to the substructure (3, 30) and to one another and which are connected to one another by at least one side wall.
  2. Device (1) according to Claim 1, characterized in that the track-borne runways (W1, W2, S1, S2) for winter and summer operation are arranged alternately side by side.
  3. Device (1) according to Claim 1 or 2, characterized in that the substructure (3, 30) and/or the structural part (2) has/have temperature-control modules (6).
  4. Device (1) according to Claim 3, characterized in that the temperature-control modules (6) consist of media-carrying pipes.
  5. Device (1) according to Claim 3, characterized in that the temperature-control modules (6) are in the form of electric heating elements.
  6. Device (1) according to at least one of the preceding claims, characterized in that the support element (4) has a sensor (5).
  7. Device (1) according to at least one of the preceding claims, characterized in that a sensor (5) is arranged between the substructure (3, 30) and the support element (4) or between the support element (4) and the structural part (2).
  8. Device (1) according to Claim 6 or 7, characterized in that the sensor (5) is in the form of a force-measuring sensor and/or displacement-measuring sensor and/or expansion-measuring sensor and/or phase-optical sensor.
  9. Device (1) according to at least one of the preceding claims, characterized in that the structural part (2) has elements for increasing the stiffness of the structural part.
  10. Device (1) according to Claim 9, characterized in that transverse webs are arranged between the side walls of the structural part (2).
  11. Device (1) according to at least one of the preceding claims, characterized in that at least two structural parts (2) arranged next to one another and/or behind one another have the same cross-section.
  12. Device (1) according to at least one of the preceding claims, characterized in that at least one runway-delimiting device (9) is arranged on the structural part (2).
  13. Device (1) according to at least one of the preceding claims, characterized in that guide elements (7) are arranged on at least one side of the structural part (2).
  14. Device (1) according to at least one of the preceding claims, characterized in that sliding elements (8) are arranged on the structural part (2).
  15. Device (1) according to at least one of the preceding claims, characterized in that supply and/or disposal elements can be introduced into the structural part (2).
  16. Device (1) according to Claim 15, characterized in that the supply and/or disposal elements are media-carrying pipes and/or power and/or telecommunications lines.
  17. Device (1) according to at least one of the preceding Claims, characterized in that the structural part (2) and/or the sliding elements (8) and/or the runway-delimiting devices (9) consist(s) of metal, ceramic, wood and/or polymers.
  18. Device (1) according to Claim 17, characterized in that the polymer is a fluoropolymer.
  19. Device (1) according to Claim 18, characterized in that the surfaces of the track that come into contact with the ski, especially the structural part (2) and/or the sliding elements (8) and/or the runway-delimiting devices (9), also consist in sections/partially of a fluoropolymer.
  20. Device (1) according to Claim 18 or 19, characterized in that the layer thickness of the fluoropolymer layer is greater than 10 □m.
  21. Device (1) according to one of the preceding claims, characterized in that the track has elements, such as studs and/or rotatably mounted rotary bodies, preferably of spherical form, which consist at least in sections/partially of fluoropolymer.
  22. Device (1) according to Claim 18 to 21, characterized in that the fluoropolymer is selected from the group polytetrafluoroethylene (PTFE), polyfluoroethylenepropylene (FEP), copolymers of tetrafluoroethylene with perfluorovinyl ethers (PFA and MFA), polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF), poly¬chlorotrifluoroethylene (PCTFE), ethylene-chlorotrifluoro¬ethylene copolymer (ECTFE), PTFE copolymer with 2,2-bis(trifluoromethyl)-4,5-difluoro-1,3-dioxolane (AF), tetra¬fluoroethylene-hexafluoropropylene-vinylidene fluoride copolymer (THV) or hexafluoropropylene-tetrafluoroethylene-ethylene copolymer (HTE).
  23. Device (1) according to Claim 18 to 21, characterized in that the fluoropolymer is selected from mixtures of the materials according to Claim 22.
  24. Device (1) according to Claim 18 to 21, characterized in that the fluoropolymer is selected from mixtures of the materials according to Claim 22 or 23 with thermoplastics, thermosetting plastics and the like.
  25. Device (1) according to Claim 18 to 21, characterized in that the fluoropolymer comprises fillers.
  26. Device (1) according to Claim 25, characterized in that there are used as filler metal oxides, metal carbides, nitrides and also oxynitrides and/or fillers from the group carbon fibres, glass fibres, aluminium silicate, mica and/or carbon black.
  27. Device (1) according to Claim 26, characterized in that the metal oxides are selected from the group silicon dioxide, aluminium oxide, titanium dioxide and/or zirconium oxide.
  28. Device (1) according to Claim 26, characterized in that the metal carbides are selected from the group silicon carbide, tungsten carbide and/or zirconium carbide.
  29. Device (1) according to Claim 26, characterized in that the nitrides are boron nitride and/or silicon nitride.
  30. Device (1) according to Claim 26, characterized in that the oxynitrides are silicon oxynitride, boron oxynitride, aluminium oxynitride, titanium oxynitride and/or zirconium oxynitride.
  31. Device (1) according to at least one of the preceding claims, characterized in that the structural part (2) and/or the sliding element (8) and/or the runway-delimiting device (9) consist(s) of a material according to Claim 17 and is/are coated with fluoropolymers according to one of Claims 19 to 30.
  32. Arrangement/assembly of at least two devices (1) according to one of Claims 1 to 31, characterized in that the devices (1) are laid next to one another and/or behind one another along a ski facility.
EP06841156A 2005-12-28 2006-12-22 Device for a ski facility Active EP1965873B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200631570T SI1965873T1 (en) 2005-12-28 2006-12-22 Device for a ski facility

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200510062710 DE102005062710A1 (en) 2005-12-28 2005-12-28 Ski device e.g. ski jump device, has structural unit with surfaces that are connected with each other by side wall, which stays in connection with supporting unit and is arranged at certain distance from base frame
DE200510062711 DE102005062711A1 (en) 2005-12-28 2005-12-28 Skiing groove for e.g. ski jump system, has surfaces that stay in contact with ski and are partially made of fluoropolymer, where thickness of fluoropolymer layer is greater than specific picometers
PCT/EP2006/012519 WO2007079967A1 (en) 2005-12-28 2006-12-22 Device for a ski facility

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EP1965873A1 EP1965873A1 (en) 2008-09-10
EP1965873B1 true EP1965873B1 (en) 2013-01-30

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Publication number Priority date Publication date Assignee Title
DE102008023909B3 (en) * 2008-05-16 2009-10-22 Idea Tv Gesellschaft Für Kommunikative Unternehmensbetreuung Mbh Rail system with a riding board
DE102012018498A1 (en) * 2012-04-13 2013-10-17 Ceramtec-Etec Gmbh Ski jump structure
EP2902081B1 (en) 2014-02-03 2017-02-01 Peter Riedel Patent UG (haftungsbeschränkt) Starting track system for a ski-jump
DE102017005662A1 (en) * 2017-06-14 2018-12-20 Molibso Entwicklungs- Und Vertriebs Gmbh Measuring device for the examination of sliding boards

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Publication number Priority date Publication date Assignee Title
SE380178B (en) * 1973-02-27 1975-11-03 Magnusson Glasfiberprodukter A ELEMENT FOR FORMATION OF SUBSTRATES FOR SKI COVERING
FI883768A (en) * 1987-08-17 1989-02-18 Hermsdorf Keramik Veb GLIDELEMENT FOER VINTERSPORTSPAOR OCH -BANOR SAMT FOERFARANDE FOER DESS FRAMSTAELLNING.
FR2718049B1 (en) * 1994-03-31 1996-08-09 Gerard Georges Godecaux Artificial piste for cross-country skiing without snow.
DE10323250B4 (en) * 2003-05-22 2005-07-28 Angelika Riedel Inrun track for ski jumps
DE102004003515A1 (en) * 2004-01-23 2005-12-08 Lutz Elges Universal inrun track for ski jump comprises of right sliding section, left sliding section and central section having accident-proof smooth surfaces without hole or slot screw connection edges
DE202004007490U1 (en) * 2004-05-11 2004-08-19 ETEC Gesellschaft für technische Keramik mbH Slide surface for artificial ski slopes has ski lanes defined by strip elements fixed on rectangular base element and having grid pattern of ceramic studs and drainage groove system

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WO2007079967A1 (en) 2007-07-19
EP1965873A1 (en) 2008-09-10
NO20080575L (en) 2008-06-20

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