EP1518963B1 - Grooved rail with damper - Google Patents

Grooved rail with damper Download PDF

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Publication number
EP1518963B1
EP1518963B1 EP20040015033 EP04015033A EP1518963B1 EP 1518963 B1 EP1518963 B1 EP 1518963B1 EP 20040015033 EP20040015033 EP 20040015033 EP 04015033 A EP04015033 A EP 04015033A EP 1518963 B1 EP1518963 B1 EP 1518963B1
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EP
European Patent Office
Prior art keywords
grooved rail
slots
damping
rail according
profile
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Expired - Lifetime
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EP20040015033
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German (de)
French (fr)
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EP1518963A1 (en
Inventor
Johann Bogel
Bernd Pahl
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Bogel Johann
Carlisle Construction Materials GmbH
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Phoenix Dichtungstechnik GmbH
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Publication of EP1518963A1 publication Critical patent/EP1518963A1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003—Means for reducing the development or propagation of noise

Definitions

  • the invention relates to a dynamically loaded grooved rail with its rail chambers lining damping profiles of an insulating against sound and / or electricity elastic material, according to the preamble of claim 1.
  • Such a grooved rail is off WO 01/83889 A1 known.
  • the damping profile is strip-shaped and in its longitudinal direction parallel to each other, having open to one side slots whose cross-section narrows or tapers in the direction away from the open side towards its bottom.
  • damping strips damping profile adapted very well to changing curvatures of rail profiles and accordingly applied to the rail head, the underside, the rail bar and the rail and fastened in a suitable manner. It would even be conceivable that such a damping strip could cover a rail on its entire circumference except for the tread. Thus, therefore, this damping strip can be easily adapted to different profiles of grooved rails and dimensions and in his Use position be brought.
  • the grooved rail can be provided with damping strips, even if the profile of the grooved rail has extreme radii of curvature, without causing significant impairment of the structural integrity of the strip-shaped sealing profile, the open side facing away from the bottom of the slots of the damping profile can be rounded.
  • the depth of the slots in the damping profile extends over at least half the thickness of the damping profile, so that there is still sufficient material on or beyond the bottom of the slot.
  • the slot depth is in the order of two thirds to three quarters of the thickness of the damping profile.
  • the damping strips which is essentially a rectangular, mat-like shape with a certain longitudinal extent have, but for example, also be square, quickly adapt to changing geometries of rails or other profiles, such as in transition areas or on end pieces
  • the grooved rail with damping profile advantageous if the slot depth depends on the damping profile is adjustable by the material used for the production of the damping profile so that the slots form separating notches, which can also be referred to as predetermined breaking points.
  • the slot depth and the material are then matched to each other so that a user the change in the width of the damping strip is simply possible because it simply a part of the strip along a slot and breaks, causing the damping strip is correspondingly narrower.
  • the slots advantageously open or expand towards the same side, in the position of use, toward the surfaces of the grooved rail.
  • the outer side of the damping profile is closed, which is particularly advantageous if the provided with the damping strip construction, for example, embedded in concrete or asphalted.
  • damping strip to adapt to different types of bends of the profile to which it is placed will depend on the spacing of the slots have, determined.
  • a good adaptation succeeds with damping profiles in which the distance between the slots is in the order of magnitude of the thickness of the damping profile.
  • the distance of the slots in the order of between three quarters of an inch and one and a half centimeters, in particular one centimeter.
  • the damping profile expediently has cavities between the slots, which extend in a channel-like manner, in particular in the longitudinal direction, such a channel being able to extend, for example, continuously over the entire length of the damping strip , These cavities can collapse at a corresponding pressure load and so give the pressure load and cause the desired damping.
  • the size of the cavities also has an influence on the elastic properties of the damping profile.
  • each of two regions of the damping profile which can be delimited by two slots, can each have at least one cavity.
  • the configuration of the cavities is not limited to the channel-like design, but may also be provided in other forms, for example in the form of pores. Of various possible fillings of the cavities such with air represents the simplest, practically self-resulting.
  • an edge formation of the damping profile in such a way in that it has at least one of its edges, in particular along its longitudinal extent, an area with a reduced cross-section.
  • the edge of the damping strip in the longitudinal direction may have a lip-like extension, preferably on the side of the damping strip which has the closed surface.
  • Such a reduced edge in cross-section can be combined with a corresponding counter-edge to merge such same attenuation strip or let the attenuation strip according to the invention with his lip over another connection or attenuation profile engage and stick.
  • the connection should be made to a arranged on a profile or a rail foot profile, which is designed differently than the damping strip.
  • the damping profile can be attached to the dynamically loaded groove rail by a fastening means in the manner of an adhesive. After the order of the fastener then the damping profile can be guided and pressed in different areas, for example successively on the outside of the loaded profile and so the various bends under widening or narrowing of the slots are traced until the entire loaded profile is bordered by the damping strip.
  • an embodiment in which the damping profile of an elastomeric material, in particular in the form of at least one vulcanized rubber mixture, which is based in particular on styrene-butadiene Kautushuk and / or natural rubber, formed is.
  • a material is well suited as a damping profile for electrical insulation and also has the desired elastic properties, which are particularly important in the resilient region under a rail head of importance.
  • the damping profile In order to meet the mechanical stresses caused by the dynamically loaded grooved rail, the damping profile should also be equipped with a certain hardness as a dynamic elastic property, which is determined by the so-called Shore A hardness.
  • the damping profile preferably has a Shore hardness A in a range from 30 to 65.
  • this hardness may vary, with particular preference for a lateral arrangement of the damping profile on a dynamically loaded profile whose Shore hardness A in the range between 30 and 40 and when arranged in the region of a base plate of the dynamically loaded profile, in particular substantially transverse to its loading direction, in the range of 50 to 65 lies.
  • the attenuation profiles can be produced in different, predefinable lengths in an extrusion or injection molding process.
  • the damping profile 1 is formed in the manner of a mat whose longitudinal direction is perpendicular to the plane of the drawing. Along this longitudinal direction, the damping profile 1 has parallel slits 2, which are open in the illustration below on, whose cross-section narrows or tapers in the direction away from the open side, wherein the slots 2 all open to the same side and the bottom 3 of the slots 2 is rounded.
  • the slot depth is about nine tenths of the thickness of the damping profile and located between the slots 2 distance is of the order of the thickness of the damping profile 1.
  • the damping profile 1 channel-like cavities 4, which extend in the longitudinal direction of the damping profile 1 in the plane.
  • a region of reduced cross-section, which forms a lip 6, is arranged on the edge of the damping profile 1 facing the closed surface 5, as seen by the observer.
  • two of the previously described damping profiles 1 are arranged on both sides of a grooved rail 7 in the areas of the rail head 8, the rail chamber 9 and the rail base 10 in the use position so that the slots 2 open against the surface of the grooved rail 7.
  • an unillustrated wheel can engage, which extends by means of a fastener adhesive attached to this damping profile 1 down and completes with its closed surface 5 facing outwards the various bends of the profile, with the slots narrow or widen depending on the curvature.
  • the lip 6 is arranged on the edge of the damping profile 1. These engages over the edge region of another, differently designed damping profile 11 and can be easily connected to this, for example by gluing.
  • the damping profile 11 in turn summarizes the wing-like in cross-section ends of the rail foot 10 and the bottom and has diamond-like cavities, which as a whole, the entire grooved rail with damping profiles 1, 11 dressed and insulated accordingly and can be embedded in their predetermined support body.
  • each have a damping profile 1 is mounted, which, starting from the respective lower portion of its associated rail head 8 downwards along this outside and the sometimes very narrow curvatures by widening or narrowing of the slots 2 with takes place.
  • the respective damping profile 1 is attached to the grooved rails 7 by means of a contact adhesive and also covers its associated rail foot 10 and the lateral edge region of a common base plate 14, on which the two grooved rails 7 are arranged.
  • the respectively arranged at the end of the damping profile 1 lip 6 engages over a strip 15 of a damping profile 1, which has arisen from such by tearing along a running at the bottom 3 of a slot 2 separating notch or predetermined breaking point and covers the vertical sides of the base plate 14.
  • the downwardly facing sides of the strip 15 are each supported at one end of another, to the first identical damping profile 1, which both extend to the bottom 16 of the base plate 14 to each other, and of which the left damping profile 1 with its lip 6 the right overlaps and glued to this.
  • the switch area 17 is therefore electrically and sound-insulated by means of different, easily adapted pieces of the same damping profile 1 to the outside. This is in particular on the basis of Figure 3 made clear that the damping profile 1 according to the invention is able to be adapted to changing geometries of dynamically loaded profiles.
  • the above illustrative figures show a strip-shaped damping profile 1 for dynamically loaded profiles, in particular rails or grooved rails 7 and / or base plates 14 for such rails of an insulating against sound and / or electricity elastic material.
  • This damping profile 1 is characterized in that it is particularly well adapted to different, changing geometries of profiles, since it has in its longitudinal direction parallel to each other, at least one side open slots 2 whose cross-section is in the direction of the open side narrowed or tapered away.
  • the damping profile 1 for dynamically loaded profiles in particular for rails or grooved rails 7 and / or foot plates 14 for such rails consists of a against sound and / or electricity insulating elastic material.
  • This damping profile 1 has in its longitudinal direction parallel to each other, at least to one side open slots 2, whose cross-section narrows or tapers in the direction away from the open side, that is, whose cross-section is preferably greatest at the open side.
  • this damping profile 1 can be easily adapted to different dimensions of cross sections of rails or profiles or other parts and hinged on the outside, wherein the slots depending on the curvature of the cross section of the rail or the profile can open or close stronger.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Building Environments (AREA)

Description

Die Erfindung betrifft eine dynamisch belastete Rillenschiene mit deren Schienenkammern auskleidenden Dämpfungsprofilen aus einem gegen Schall und/oder Elektrizität isolierenden elastischen Werkstoff, nach dem Oberbegriff des Anspruchs 1.The invention relates to a dynamically loaded grooved rail with its rail chambers lining damping profiles of an insulating against sound and / or electricity elastic material, according to the preamble of claim 1.

Eine derartige Rillenschiene ist aus WO 01/83889 A1 bekannt.Such a grooved rail is off WO 01/83889 A1 known.

Daraus sowie aus der Praxis sind zur Schall- und auch zur elektrischen Isolierung von Rillenschienen unterschiedlich vorgeformte oder eventuell auch durch Biegung anpassbare Dämpfungssysteme bekannt.From this, as well as from practice, different pre-formed or possibly also by bending customizable damping systems are known for sound and also electrical insulation of grooved rails.

Dabei sind diese in der Regel in ihrer Form und Abmessung auf ganz bestimmte Schienen und deren Abmessungen angepasst, sie können also meist nur für diese eine Schienenart verwendet werden, bei sich ändernden Abmessungen wird die Verwendung eines wiederum speziell angepassten Dämpfungssystems notwendig.These are usually adapted in their shape and dimensions to very specific rails and their dimensions, so they can usually only be used for this a rail type, with changing dimensions, the use of a turn specially adapted damping system is necessary.

Vor allem im Bereich von Weichen verändert sich jedoch das Querschnittsprofil der Schienen und auch sonstiger zu der Weiche gehörender Teile, so dass für deren Isolierung und Dämpfung bisher Matten aus elastischem Werkstoff eher nach Bedarf zugeschnitten, in improvisierter Form aneinandergeklebt und an die entsprechenden Weichenteile angelegt werden, was einen erheblichen Zeit und Arbeitsaufwand verursacht.Especially in the area of switches, however, changes the cross-sectional profile of the rails and other belonging to the switch parts, so that for their insulation and cushioning so far mats made of elastic material rather tailored as needed, glued together in improvised form and applied to the corresponding switch parts, which causes a considerable amount of time and effort.

Es besteht daher die Aufgabe, eine dynamisch belastbare Rillenschiene mit deren Schienenkammern auskleidenden Dämpfungsprofilen der eingangs definierten Art zu schaffen, wobei das Dämpfungsprofil auf einfache Weise an unterschiedliche Abmessungen von Querschnitten von Rillenschienen angepasst werden kann.It is therefore an object to provide a dynamically loadable grooved rail with their rail chambers lining damping profiles of the type defined, wherein the damping profile can be easily adapted to different dimensions of cross sections of grooved rails.

Zur Lösung dieser Aufgabe ist vorgesehen, dass das Dämpfungsprofil streifenförmig ist und in seiner Längsrichtung parallel zueinander verlaufende, nach einer Seite offene Schlitze aufweist, deren Querschnitt sich in Richtung von der offenen Seite weg zu ihrem Grund hin verengt oder verjüngt.To achieve this object, it is provided that the damping profile is strip-shaped and in its longitudinal direction parallel to each other, having open to one side slots whose cross-section narrows or tapers in the direction away from the open side towards its bottom.

Dadurch kann ein solcher Streifen eines Dämpfungsprofils um zahlreiche Biegelinien parallel zu den Schlitzen gekrümmt werden, und zwar in einander entgegengesetzte Richtungen, wobei bei der Krümmung in der einen Richtung der Schlitz aufgeweitet und bei einer Krümmung in der entgegengesetzten Richtung geschlossen wird. Somit kann ein solches auch als Dämpfungsstreifen bezeichenbares Dämpfungsprofil sehr gut an sich ändernde Krümmungen von Schienenprofilen angepasst und dementsprechend an den Schienenkopf, dessen Unterseite, den Schienesteg und den Schienenfuß angelegt und in geeigneter Weise befestigt werden. Denkbar wäre sogar, dass eine solcher Dämpfungsstreifen eine Schiene an ihrem gesamten Umfang bis auf die Lauffläche umkleiden könnte. Somit kann also dieser Dämpfungsstreifen sehr einfach an unterschiedliche Profile von Rillenschienen und Abmessungen angepasst und in seine Gebrauchsstellung gebracht werden.Thereby, such a strip of damping profile can be curved around numerous bending lines parallel to the slots, in opposite directions, with the bend in one direction widening the slot and closing at a bend in the opposite direction. Thus, such as can also be denoted as damping strips damping profile adapted very well to changing curvatures of rail profiles and accordingly applied to the rail head, the underside, the rail bar and the rail and fastened in a suitable manner. It would even be conceivable that such a damping strip could cover a rail on its entire circumference except for the tread. Thus, therefore, this damping strip can be easily adapted to different profiles of grooved rails and dimensions and in his Use position be brought.

Damit die Rillenschiene mit Dämpfungsstreifen versehen werden kann, auch wenn das Profil der Rillenschiene extreme Krümmungsradien hat, ohne dass es zu wesentlichen Beeinträchtigungen der Gefügeintegrität des streifenförmigen Dichtungsprofils kommt, kann der der offenen Seite abgewandte Grund der Schlitze des Dämpfungsprofils abgerundet ausgebildet sein.Thus, the grooved rail can be provided with damping strips, even if the profile of the grooved rail has extreme radii of curvature, without causing significant impairment of the structural integrity of the strip-shaped sealing profile, the open side facing away from the bottom of the slots of the damping profile can be rounded.

Mit dieser Maßnahme sind einerseits große Aufweitungen der Schlitze und die damit verbundene Wegbewegung der beiden Schlitzflanken voneinander, andererseits aber auch starke Verengungen bis zum Aneinanderliegen der Flanken zu erreichen, ohne dass die Struktur des Dämpfungsstreifens dabei in Mitleidenschaft gezogen würde.With this measure, on the one hand large widening of the slots and the associated movement away the two slot flanks from each other, but on the other hand also strong constrictions to the abutment of the flanks to achieve without the structure of the damping strip would be affected.

Um auch relativ enge Biegungen zu ermöglichen ist es zweckmäßig, wenn sich bei dem Dämpfungsprofil die Tiefe der Schlitze über mindestens die Hälfte der Dicke des Dämpfungsprofils erstreckt, so dass am bzw. jenseits des Grunds des Schlitzes noch genügend Material vorhanden ist. Bevorzugt liegt die Schlitztiefe in der Größenordnung von zwei Dritteln bis drei Viertel der Dicke des Dämpfungsprofils. Versuche haben zudem gezeigt, dass eine sehr flexible und gute Anpassbarkeit auch bei sehr engen Biegungen möglich ist, wenn Schlitztiefe etwa neun Zehntel der Dicke des Dämpfungsprofils beträgt, weswegen diese Ausführungsform besonders bevorzugt ist. Auch bei dieser ist am Grund der Schlitze noch genügend Material vorhanden, um den Dämpfungsstreifen unempfindliche gegen übliche von außen auf ihn einwirkende Kräfte zu machen.In order to enable relatively tight bends, it is expedient if the depth of the slots in the damping profile extends over at least half the thickness of the damping profile, so that there is still sufficient material on or beyond the bottom of the slot. Preferably, the slot depth is in the order of two thirds to three quarters of the thickness of the damping profile. Experiments have also shown that a very flexible and good adaptability is possible even with very tight bends when slot depth is about nine tenths of the thickness of the damping profile, which is why this embodiment is particularly preferred. Even with this, at the bottom of the slots still enough material is available to make the damping strip insensitive to common external forces acting on him.

Damit die Dämpfungsstreifen, die im wesentlichen eine rechteckige, mattenartige Form mit einer gewissen Längserstreckung aufweisen, aber beispielsweise auch quadratisch sein können, schnell an sich ändernde Geometrien von Schienen oder anderen Profilen, etwa in Übergangsbereichen oder an Endstücken, angepasst werden können, ist es bei einer Ausführungsform der Rillenschiene mit Dämpfungsprofil von Vorteil, wenn bei dem Dämpfungsprofil die Schlitztiefe abhängig von dem zur Herstellung des Dämpfungsprofils verwendeten Material so einstellbar ist, dass die Schlitze Trennkerben bilden, die man auch als Sollreißstellen bezeichnen kann. Die Schlitztiefe und der Werkstoff sind dann so aufeinander abgestimmt, dass einem Benutzer die Veränderung der Breite des Dämpfungsstreifen einfach dadurch möglich ist, dass er einen Teil des Streifens entlang eines Schlitzes einfach ein- und abreißt, wodurch der Dämpfungsstreifen entsprechend schmaler wird.So that the damping strips, which is essentially a rectangular, mat-like shape with a certain longitudinal extent have, but for example, also be square, quickly adapt to changing geometries of rails or other profiles, such as in transition areas or on end pieces, it is in one embodiment of the grooved rail with damping profile advantageous if the slot depth depends on the damping profile is adjustable by the material used for the production of the damping profile so that the slots form separating notches, which can also be referred to as predetermined breaking points. The slot depth and the material are then matched to each other so that a user the change in the width of the damping strip is simply possible because it simply a part of the strip along a slot and breaks, causing the damping strip is correspondingly narrower.

Bei einer Weiterbildung des erfindungsgemäßen Rillenschiene mit Dämpfungsprofil öffnen oder erweitern die Schlitze sich vorteilhafterweise zur selben Seite, in Gebrauchsstellung zu den Oberflächen der Rillenschiene hin. In der Gebrauchsstellung ist damit die äußere Seite des Dämpfungsprofils geschlossen, was insbesondere dann vorteilhaft ist, wenn die mit dem Dämpfungsstreifen versehene Konstruktion beispielsweise einbetoniert oder einasphaltiert wird. Durch die nach außen geschlossene Seite wird erreicht, dass kein Material eines Einbettungskörpers, der die Schiene oder das Profil im eingebauten Zustand umfängt, so an die Schiene herangeführt wird, dass dieser in die Schlitze eindringen und den Dämpfungsstreifen einer ungewünschten mechanischen Zusatzbelastung aussetzen oder die Nachgiebigkeit beeinträchtigen oder verhindern könnte.In a further development of the grooved rail according to the invention with a damping profile, the slots advantageously open or expand towards the same side, in the position of use, toward the surfaces of the grooved rail. In the position of use so that the outer side of the damping profile is closed, which is particularly advantageous if the provided with the damping strip construction, for example, embedded in concrete or asphalted. By closed to the outside side is achieved that no material of a Einbettungskörpers which surrounds the rail or the profile in the installed state, is brought to the rail so that it penetrate into the slots and expose the damping strip of unwanted mechanical additional load or the compliance could affect or prevent.

Die Fähigkeit des Dämpfungsstreifens sich an unterschiedliche Arten von Biegungen des Profils, an dem er angeordnet ist, anzupassen, wird von dem Abstand, den Schlitze zueinander aufweisen, mitbestimmt. Eine gute Anpassung gelingt mit Dämpfungsprofilen, bei denen der zwischen den Schlitzen befindliche Abstand in der Größenordnung der Dicke des Dämpfungsprofils liegt. Besonders bevorzugt beträgt der Abstand der Schlitze in der Größenordnung zwischen drei Viertel Zentimetern und eineinhalb Zentimetern, insbesondere einen Zentimeter.The ability of the damping strip to adapt to different types of bends of the profile to which it is placed will depend on the spacing of the slots have, determined. A good adaptation succeeds with damping profiles in which the distance between the slots is in the order of magnitude of the thickness of the damping profile. Particularly preferably, the distance of the slots in the order of between three quarters of an inch and one and a half centimeters, in particular one centimeter.

Damit der erwähnte Dämpfungsstreifen bei dynamischer Belastung eine ausreichende Nachgiebigkeit quer zu seiner Dicke hat, weist das Dämpfungsprofil zweckmäßigerweise zwischen den Schlitzen Hohlräume auf, die sich insbesondere in Längsrichtung kanalartig erstrecken, wobei ein solcher Kanal sich zum Beispiel durchgehend über die gesamte Länge des Dämpfungsstreifens erstrecken kann. Diese Hohlräume können bei entsprechender Druckbelastung kollabieren und so der Druckbelastung nachgeben und die gewünschte Dämpfung bewirken. Die Größe der Hohlräume hat dabei auch einen Einfluss auf die elastischen Eigenschaften des Dämpfungsprofils.In order for the mentioned damping strip to have sufficient flexibility across its thickness under dynamic loading, the damping profile expediently has cavities between the slots, which extend in a channel-like manner, in particular in the longitudinal direction, such a channel being able to extend, for example, continuously over the entire length of the damping strip , These cavities can collapse at a corresponding pressure load and so give the pressure load and cause the desired damping. The size of the cavities also has an influence on the elastic properties of the damping profile.

Um eine optimale Ausnutzung der Gegebenheiten zu erreichen kann dabei jeder von durch zwei Schlitze begrenzbare Bereich des Dämpfungsprofils jeweils wenigstens einen Hohlraum aufweisen. Die Ausgestaltung der Hohlräume ist dabei nicht auf die kanalartige Ausführung beschränkt, sondern kann auch in anderen Formen, beispielsweise in der Art von Poren, vorgesehen sein. Von verschiedenen möglichen Füllungen der Hohlräume stellt eine solche mit Luft die einfachste, sich praktisch von selbst ergebende dar.In order to achieve optimum utilization of the conditions, each of two regions of the damping profile, which can be delimited by two slots, can each have at least one cavity. The configuration of the cavities is not limited to the channel-like design, but may also be provided in other forms, for example in the form of pores. Of various possible fillings of the cavities such with air represents the simplest, practically self-resulting.

Für eine Anpassung des Dämpfungsstreifens an Teile oder an Oberflächen von größerer Abmessung als es der Breite des Dämpfungsstreifens entspricht, sieht eine zweckmäßige Ausführungsform eine Randausbildung des Dämpfungsprofils derart vor, dass es an mindestens einem seiner Ränder, insbesondere entlang seiner Längserstreckung, einen Bereich mit einem verkleinerten Querschnitt aufweist. Insbesondere kann der Rand des Dämpfungsstreifens in Längsrichtung einen lippenartigen Fortsatz haben, vorzugsweise auf der Seite des Dämpfungsstreifens, die die geschlossene Oberfläche hat. Ein solcher im Querschnitt verminderter Rand kann mit einem entsprechenden Gegenrand kombiniert werden um solche gleichen Dämpfungsstreifen zusammenzuführen oder aber den erfindungsgemäßen Dämpfungsstreifen mit seiner Lippe über ein anderes Anschluss- oder Dämpfungsprofil greifen zu lassen und zu verkleben. Häufig auftreten dürfte dabei der Anwendungsfall, dass die Verbindung zu einem an einem Profil oder einer Schiene angeordneten Fußprofil hergestellt werden soll, welches anders als der Dämpfungsstreifen gestaltet ist.For an adaptation of the damping strip to parts or to surfaces of larger dimension than the width of the damping strip corresponds, sees an expedient embodiment, an edge formation of the damping profile in such a way in that it has at least one of its edges, in particular along its longitudinal extent, an area with a reduced cross-section. In particular, the edge of the damping strip in the longitudinal direction may have a lip-like extension, preferably on the side of the damping strip which has the closed surface. Such a reduced edge in cross-section can be combined with a corresponding counter-edge to merge such same attenuation strip or let the attenuation strip according to the invention with his lip over another connection or attenuation profile engage and stick. Frequently occur in this case, the application that the connection should be made to a arranged on a profile or a rail foot profile, which is designed differently than the damping strip.

Um einen Dämpfungsstreifen an der jeweiligen Rillenschiene sicher und dicht anordnen zu können, ist es von Vorteil, wenn das Dämpfungsprofil an der dynamisch belasteten Rillenschiene durch ein Befestigungsmittel in der Art eines Klebstoffes anbringbar ist. Nach dem Auftrag des Befestigungsmittels kann dann das Dämpfungsprofil in unterschiedlichen Bereichen beispielsweise nacheinander an der Außenseite des belasteten Profils entlanggeführt und angepresst werden und so die verschiedenen Biegungen unter Aufweitung bzw. Verengung der Schlitze nachvollzogen werden, bis das gesamte belastete Profil von dem Dämpfungsstreifen eingefasst ist.In order to be able to arrange a damping strip on the respective groove rail securely and tightly, it is advantageous if the damping profile can be attached to the dynamically loaded groove rail by a fastening means in the manner of an adhesive. After the order of the fastener then the damping profile can be guided and pressed in different areas, for example successively on the outside of the loaded profile and so the various bends under widening or narrowing of the slots are traced until the entire loaded profile is bordered by the damping strip.

Als zur Erreichung der dämpfenden und isolierenden Eigenschaften des Dämpfungsprofils besonders geeignet erweist sich eine Ausführungsform, bei der das Dämpfungsprofil aus einem elastomeren Werkstoff, insbesondere in Form mindestens einer vulkanisierten Kautschukmischung, die insbesondere auf Styrol-Butadien-Kautuschuk und/oder Naturkautschuk basiert, ausgebildet ist. Ein derartiger Werkstoff ist als Dämpfungsprofil zur elektrischen Isolierung gut geeignet und hat auch die erwünschten elastischen Eigenschaften, die vor allem in dem nachgiebigen Bereich unter einem Schienenkopf von Bedeutung sind.Particularly suitable for achieving the damping and insulating properties of the damping profile, an embodiment in which the damping profile of an elastomeric material, in particular in the form of at least one vulcanized rubber mixture, which is based in particular on styrene-butadiene Kautushuk and / or natural rubber, formed is. Such a material is well suited as a damping profile for electrical insulation and also has the desired elastic properties, which are particularly important in the resilient region under a rail head of importance.

Um den auftretenden mechanischen Beanspruchungen durch die dynamisch belastete Rillenschiene gerecht zu werden, sollte das Dämpfungsprofil auch mit einer gewissen Härte als dynamisch-elastischer Eigenschaft ausgestattet sein, die sich nach der sogenannten Shore Härte A bestimmt. Bevorzugt weist das Dämpfungsprofil hierbei eine Shore Härte A in einem Bereich von 30 bis 65 auf. Je nach Anwendungsbereich bzw. Applikationsort kann diese Härte variieren, wobei besonders bevorzugt für eine seitliche Anordnung des Dämpfungsprofils an einem dynamisch belasteten Profil dessen Shore Härte A im Bereich zwischen 30 und 40 und bei Anordnung im Bereich einer Fußplatte des dynamisch belasteten Profils, insbesondere im wesentlichen quer zu dessen Belastungsrichtung, im Bereich von 50 bis 65 liegt.In order to meet the mechanical stresses caused by the dynamically loaded grooved rail, the damping profile should also be equipped with a certain hardness as a dynamic elastic property, which is determined by the so-called Shore A hardness. In this case, the damping profile preferably has a Shore hardness A in a range from 30 to 65. Depending on the field of application or application, this hardness may vary, with particular preference for a lateral arrangement of the damping profile on a dynamically loaded profile whose Shore hardness A in the range between 30 and 40 and when arranged in the region of a base plate of the dynamically loaded profile, in particular substantially transverse to its loading direction, in the range of 50 to 65 lies.

Um Dämpfungsprofile unterschiedlicher Abmessungen, die auch Auswirkungen auf die Transportfähigkeit der Streifen haben, jeweils in ausreichender Menge zur Verfügung stellen zu können ist es außerdem zweckmäßig, wenn die Dämpfungsprofile in unterschiedlichen, vorgebbaren Längen in einem Strangpress- oder Spritzgussverfahren herstellbar sind.In order to provide attenuation profiles of different dimensions, which also have an effect on the transportability of the strips, in sufficient quantity available, it is also expedient if the attenuation profiles can be produced in different, predefinable lengths in an extrusion or injection molding process.

Vor allem bei Kombination einzelner oder mehrerer der vorstehend beschriebenen Merkmale und Maßnahmen ergibt sich eine elastisch belastbare Rillenschiene mit deren Schienenkammern ausgleitenden Dämpfungsprofilen, die auf einfache Weise an unterschiedliche Abmessungen von Querschnitten der Rillenschienen angepasst werden können. Die Dämpfungsprofile lassen sich beim Einsatz an Rillenschienen an unterschiedliche Ausgestaltungen von Schienenkammern anpassen und anordnen, wobei die Schienenkammern nicht vollständig ausgefüllt werden, so dass der verbleibende Teil mit einem Füllmaterial, beispielsweise Beton, ausgefüllt werden kann, ohne dass die Rillenschiene ihre Beweglichkeit, insbesondere in vertikaler Richtung verliert. Die in die Schienenkammer reichende Tragschicht bewirkt eine sichere Verbindung der Schiene mit ihrem Tragkörper, ist aber gleichzeitig durch das Dämpfungsprofil gegen die Schiene isoliert.Especially when combining one or more of the features and measures described above results in an elastically resilient grooved rail with its rail chambers sliding attenuation profiles that can be easily adapted to different dimensions of cross sections of the grooved rails. Leave the damping profiles adapt to the use of grooved rails to different designs of rail chambers and arrange, the rail chambers are not completely filled, so that the remaining part with a filler material, such as concrete, can be filled without the grooved rail loses its mobility, especially in the vertical direction , The reaching into the rail chamber support layer causes a secure connection of the rail with its support body, but at the same time isolated by the damping profile against the rail.

Nachstehend sind Ausführungsbeispiele der Erfindung anhand der Zeichnung näher erläutert. Es zeigt in zum Teil schematisierter Darstellung:

Fig.1
einen Querschnitt durch ein erfindungsgemäßes Dämpfungsprofil mit Schlitzen und Hohlräumen mit einem in einem Randbereich verkleinerten Querschnitt,
Fig.2
einen Querschnitt einer Rillenschiene mit deren Schienenkammern auskleidenden Dämpfungsprofilen, die mit einem anderen, den Fußbereich der Rillenschiene einfassenden Fußprofil verbunden sind, und
Fig.3
einen Querschnitt einer Rillenschienenweiche, deren nach außen gewandte Wände von mehreren Dämpfungsprofilen bedeckt sind.
Embodiments of the invention are explained in more detail with reference to the drawing. It shows in partly schematized representation:
Fig.1
a cross section through an inventive damping profile with slots and cavities with a reduced in an edge region cross section,
Fig.2
a cross section of a grooved rail with its rail chambers lining damping profiles which are connected to another, the foot region of the grooved rail bordering foot profile, and
Figure 3
a cross section of a grooved rail switch whose outwardly facing walls are covered by a plurality of damping profiles.

In der Fig.1 ist ein Bereich eines streifenförmigen Dämpfungsprofils 1 für dynamisch belastete Rillenschienen 7 zu erkennen, wie an derartigen Rillenschienen 7 und/oder Fußplatten 14 für derartige Rillenschienen angeordnet werden kann und welches aus einem gegen Schall und/oder Elektrizität isolierenden elastischen Werkstoff besteht. Das Dämpfungsprofil 1 ist in der Art einer Matte ausgebildet, deren Längsrichtung senkrecht zu der Zeichenebene verläuft. Entlang dieser Längsrichtung weist das Dämpfungsprofil 1 parallel zueinander verlaufende, in der Darstellung nach unten offene Schlitze 2 auf, deren Querschnitt sich in Richtung von der offenen Seite weg verengt bzw. verjüngt, wobei sich die Schlitze 2 alle zur selben Seite öffnen und der Grund 3 der Schlitze 2 abgerundet ausgebildet ist.In the Fig.1 is to recognize a portion of a strip-shaped damping profile 1 for dynamically loaded grooved rails 7, as can be arranged on such grooved rails 7 and / or base plates 14 for such grooved rails and which from a against sound and / or electricity insulating elastic material. The damping profile 1 is formed in the manner of a mat whose longitudinal direction is perpendicular to the plane of the drawing. Along this longitudinal direction, the damping profile 1 has parallel slits 2, which are open in the illustration below on, whose cross-section narrows or tapers in the direction away from the open side, wherein the slots 2 all open to the same side and the bottom 3 of the slots 2 is rounded.

Weiterhin ist der Fig.1 zu entnehmen, dass bei der dargestellten Ausführungsform des Dämpfungsprofils 1 die Schlitztiefe etwa neun Zehntel der Dicke des Dämpfungsprofils beträgt und der zwischen den Schlitzen 2 befindliche Abstand in der Größenordnung der Dicke des Dämpfungsprofils 1 liegt. Zwischen den Schlitzen 2 weist das Dämpfungsprofil 1 kanalartige Hohlräume 4 auf, die sich in Längsrichtung des Dämpfungsprofils 1 in die Zeichenebene hinein erstrecken. Darüber hinaus ist an dem vom Betrachter aus gesehen linken, der geschlossenen Oberfläche 5 zugewandten Rand des Dämpfungsprofils 1 ein Bereich mit verkleinertem Querschnitt angeordnet, der eine Lippe 6 bildet.Furthermore, the Fig.1 It can be seen that in the illustrated embodiment of the damping profile 1, the slot depth is about nine tenths of the thickness of the damping profile and located between the slots 2 distance is of the order of the thickness of the damping profile 1. Between the slots 2, the damping profile 1 channel-like cavities 4, which extend in the longitudinal direction of the damping profile 1 in the plane. In addition, a region of reduced cross-section, which forms a lip 6, is arranged on the edge of the damping profile 1 facing the closed surface 5, as seen by the observer.

In der Fig.2 sind zwei der eben beschriebenen Dämpfungsprofile 1 zu beiden Seiten einer Rillenschiene 7 in den Bereichen des Schienenkopfes 8, der Schienenkammer 9 und des Schienenfußes 10 in Gebrauchsstellung so angeordnet, dass deren Schlitze 2 sich gegen die Oberfläche der Rillenschiene 7 öffnen. Vom Schienenkopf 8 der Rillenschiene 7, in die ein nicht dargestelltes Rad eingreifen kann, verläuft das mittels eines Befestigungsmittels klebend an dieser angebrachte Dämpfungsprofil 1 abwärts und vollzieht mit seiner geschlossenen Oberfläche 5 nach außen gewandt die verschiedenen Biegungen des Profils mit, wobei sich die Schlitze 2 je nach Krümmungsverlauf verengen bzw. aufweiten.In the Fig.2 two of the previously described damping profiles 1 are arranged on both sides of a grooved rail 7 in the areas of the rail head 8, the rail chamber 9 and the rail base 10 in the use position so that the slots 2 open against the surface of the grooved rail 7. From the rail head 8 of the grooved rail 7, in which an unillustrated wheel can engage, which extends by means of a fastener adhesive attached to this damping profile 1 down and completes with its closed surface 5 facing outwards the various bends of the profile, with the slots narrow or widen depending on the curvature.

Im Bereich des Schienenfußes 10, dessen Oberseite das Dämpfungsprofil 1 zu etwa zwei Dritteln überdeckt, ist am Rand des Dämpfungsprofils 1 die Lippe 6 angeordnet. Diese übergreift den Randbereich eines weiteren, anders ausgebildeten Dämpfungsprofils 11 und kann mit diesem leicht, etwa durch Klebung, verbunden werden. Das Dämpfungsprofil 11 wiederum fasst die im Querschnitt flügelartigen Enden des Schienefußes 10 sowie dessen Boden ein und weist rautenartig ausgebildete Hohlräume auf, wodurch im Ganzen die gesamte Rillenschiene mit Dämpfungsprofilen 1, 11 verkleidet und entsprechend isoliert ist und in ihren vorbestimmten Tragkörper eingelassen werden kann.In the region of the rail foot 10, the upper side of which covers the damping profile 1 to about two thirds, the lip 6 is arranged on the edge of the damping profile 1. These engages over the edge region of another, differently designed damping profile 11 and can be easily connected to this, for example by gluing. The damping profile 11 in turn summarizes the wing-like in cross-section ends of the rail foot 10 and the bottom and has diamond-like cavities, which as a whole, the entire grooved rail with damping profiles 1, 11 dressed and insulated accordingly and can be embedded in their predetermined support body.

In der Fig.3 ist schließlich ein Querschnitt eines dynamisch belasteten Profils mit sich schnell ändernden Abmessungen, nämlich eines Weichenbereichs 17 für Rillenschienen 7, zu sehen, in dem zwei Rillenschienen 7 aufeinander zugeführt werden. Dieser Weichenbereich 17 ist in einen Tragkörper 12 eingelassen dessen nach oben gewandte Seite mit einer Asphaltschicht 13 abgeschlossen ist, die wiederum durch ein nicht weiter spezifiziertes Dichtmaterial von dem Schienenkopf 8 getrennt ist.In the Figure 3 Finally, a cross-section of a dynamically loaded profile with rapidly changing dimensions, namely a point region 17 for grooved rails 7, can be seen, in which two grooved rails 7 are supplied to one another. This switch region 17 is embedded in a support body 12 whose upwardly facing side is terminated with an asphalt layer 13, which in turn is separated from the rail head 8 by a sealing material that is not further specified.

An den einander abgewandten Außenseiten der beiden Rillenschienen 7 ist jeweils ein Dämpfungsprofil 1 angebracht, welches, von dem jeweils unteren Bereich des ihm zugeordneten Schienenkopfes 8 ausgehend abwärts entlang dieser Außenseite verläuft und die zum Teil sehr engen Krümmungen durch Aufweitung bzw. Verengung der Schlitze 2 mit vollzieht. Das jeweilige Dämpfungsprofil 1 ist an den Rillenschienen 7 mittels eines Kontaktklebers befestigt und überdeckt auch den ihm zugeordneten Schienenfuß 10 und den seitlichen Randbereich einer gemeinsamen Fußplatte 14, auf der die beiden Rillenschienen 7 angeordnet sind.At the opposite outer sides of the two grooved rails 7 each have a damping profile 1 is mounted, which, starting from the respective lower portion of its associated rail head 8 downwards along this outside and the sometimes very narrow curvatures by widening or narrowing of the slots 2 with takes place. The respective damping profile 1 is attached to the grooved rails 7 by means of a contact adhesive and also covers its associated rail foot 10 and the lateral edge region of a common base plate 14, on which the two grooved rails 7 are arranged.

Die jeweils an dem Ende des Dämpfungsprofils 1 angeordnete Lippe 6 übergreift einen Streifen 15 eines Dämpfungsprofils 1, der aus einem solchen durch Einreißen entlang einer am Grund 3 eines Schlitzes 2 verlaufenden Trennkerbe bzw. Sollreißstelle entstanden ist und die vertikalen Seiten der Fußplatte 14 überdeckt. Die nach unten gewandten Seiten des Streifens 15 stützen sich jeweils an einem Ende eines weiteren, zu dem ersten identischen Dämpfungsprofil 1 ab, welche sich beide am Boden 16 der Fußplatte 14 aufeinander zu erstrecken, und von denen das linke Dämpfungsprofil 1 mit seiner Lippe 6 das rechte übergreift und mit diesem verklebt ist.The respectively arranged at the end of the damping profile 1 lip 6 engages over a strip 15 of a damping profile 1, which has arisen from such by tearing along a running at the bottom 3 of a slot 2 separating notch or predetermined breaking point and covers the vertical sides of the base plate 14. The downwardly facing sides of the strip 15 are each supported at one end of another, to the first identical damping profile 1, which both extend to the bottom 16 of the base plate 14 to each other, and of which the left damping profile 1 with its lip 6 the right overlaps and glued to this.

Der Weichenbereich 17 ist also durch unterschiedliche, auf einfache Weise angepasste Stücke des gleichen Dämpfungsprofils 1 nach außen hin elektrisch und schallisoliert. Hierdurch ist insbesondere anhand der Fig.3 deutlich gemacht, dass das erfindungsgemäße Dämpfungsprofil 1 in der Lage ist, an sich ändernde Geometrien dynamisch belasteter Profile angepasst zu werden.The switch area 17 is therefore electrically and sound-insulated by means of different, easily adapted pieces of the same damping profile 1 to the outside. This is in particular on the basis of Figure 3 made clear that the damping profile 1 according to the invention is able to be adapted to changing geometries of dynamically loaded profiles.

Mithin zeigen die vorstehend erläuternden Figuren ein streifenförmiges Dämpfungsprofil 1 für dynamisch belastete Profile, insbesondere Schienen oder Rillenschienen 7 und/oder Fußplatten 14 für derartige Schienen aus einem gegen Schall und/oder Elektrizität isolierenden elastischen Werkstoff. Dieses Dämpfungsprofil 1 zeichnet sich dadurch aus, dass es besonders gut an verschiedene, sich ändernde Geometrien von Profilen anzupassen ist, da es in seiner Längsrichtung parallel zueinander verlaufende, zumindest nach einer Seite offene Schlitze 2 aufweist, deren Querschnitt sich in Richtung von der offenen Seite weg verengt oder verjüngt.Thus, the above illustrative figures show a strip-shaped damping profile 1 for dynamically loaded profiles, in particular rails or grooved rails 7 and / or base plates 14 for such rails of an insulating against sound and / or electricity elastic material. This damping profile 1 is characterized in that it is particularly well adapted to different, changing geometries of profiles, since it has in its longitudinal direction parallel to each other, at least one side open slots 2 whose cross-section is in the direction of the open side narrowed or tapered away.

Das Dämpfungsprofil 1 für dynamisch belastete Profile, insbesondere für Schienen oder für Rillenschienen 7 und/oder für Fußplatten 14 für derartige Schienen besteht aus einem gegen Schall und/oder Elektrizität isolierenden elastischen Werkstoff. Dieses Dämpfungsprofil 1 hat in seiner Längsrichtung parallel zueinander verlaufende, zumindest nach einer Seite offene Schlitze 2, deren Querschnitt sich in Richtung von der offenen Seite weg verengt oder verjüngt, dass heißt deren Querschnitt an der offenen Seite bevorzugt am größten ist. Dadurch kann dieses Dämpfungsprofil 1 auf einfache Weise an unterschiedliche Abmessungen von Querschnitten von Schienen oder Profilen oder auch sonstigen Teilen angepasst und außenseitig angelenkt werden, wobei sich die Schlitze je nach Krümmung des Querschnitts der Schiene oder des Profils stärker öffnen oder schließen können.The damping profile 1 for dynamically loaded profiles, in particular for rails or grooved rails 7 and / or foot plates 14 for such rails consists of a against sound and / or electricity insulating elastic material. This damping profile 1 has in its longitudinal direction parallel to each other, at least to one side open slots 2, whose cross-section narrows or tapers in the direction away from the open side, that is, whose cross-section is preferably greatest at the open side. As a result, this damping profile 1 can be easily adapted to different dimensions of cross sections of rails or profiles or other parts and hinged on the outside, wherein the slots depending on the curvature of the cross section of the rail or the profile can open or close stronger.

Claims (18)

  1. Dynamically loaded grooved rail (7) the groove chambers (9) of which are lined with damping profiles (1) consisting of a resilient material which insulates against sound and/or electricity, characterised in that the damping profile (1) is in strip form and comprises, extending parallel to one another in the longitudinal direction thereof, slots (2) which are open on one side, which narrow or taper in cross-section in the direction leading away from the open side towards their base (3).
  2. Grooved rail according to claim 1, characterised in that the base (3) of the slots (2) of the damping profile (1) which is remote from the open side is rounded in shape.
  3. Grooved rail according to claim 1 or 2, characterised in that the depth of the slots (2) extends over at least half the thickness of the damping profile (1).
  4. Grooved rail according to one of claims 1 to 3, characterised in that the depth of the slots is of the order of two-thirds to three-quarters of the thickness of the damping profile (1).
  5. Grooved rail according to one of claims 1 to 4, characterised in that the depth of the slots is approximately nine-tenths of the thickness of the damping profile (1).
  6. Grooved rail according to one of the preceding claims, characterised in that the depth of the slots is adjustable, depending on the material used to produce the damping profile (1), so that the slots (2) form separating notches.
  7. Grooved rail according to one of the preceding claims, characterised in that the slots (2) open or widen out on the same side, towards the surfaces of the grooved rail (7) in the position of use.
  8. Grooved rail according to one of the preceding claims, characterised in that the spacing between the slots (2) is of the same order of magnitude as the thickness of the damping profile (1).
  9. Grooved rail according to one of the preceding claims, characterised in that the spacing between the slots (2) is of the order of between three-quarters of a centimetre and one and a half centimetres, particularly one centimetre.
  10. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) comprises cavities (4) between the slots (2) which extend like channels, particularly in the longitudinal direction.
  11. Grooved rail according to one of the preceding claims, characterised in that each area thereof which may be defined by two slots (2) has at least one cavity (4).
  12. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) comprises, on at least one of its edges, particularly along the longitudinal extent thereof, an area of reduced cross-section.
  13. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) can be mounted on the dynamically loaded grooved rail (7) by attachment means in the nature of an adhesive.
  14. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) is formed from an elastomeric material, particularly in the form of at least one vulcanised rubber mixture, which is based in particular on styrene-butadiene rubber and/or natural rubber.
  15. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) has a Shore hardness A in the range from 30 to 65.
  16. Grooved rail according to claim 15, characterised in that its Shore hardness A is between 30 and 40 when it is mounted laterally on a dynamically loaded profile.
  17. Grooved rail according to claim 15 or 16, characterised in that the damping profile (1) has a Shore hardness A in the range from 50 to 65 when it is mounted in the region of a base plate of the dynamically loaded profile, particularly substantially transversely of the direction of loading thereof.
  18. Grooved rail according to one of the preceding claims, characterised in that the damping profile (1) can be manufactured in various pre-set lengths in an extrusion or injection moulding process.
EP20040015033 2003-09-23 2004-06-25 Grooved rail with damper Expired - Lifetime EP1518963B1 (en)

Applications Claiming Priority (2)

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DE20314668U 2003-09-23
DE20314668U DE20314668U1 (en) 2003-09-23 2003-09-23 damping profile

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013087070A1 (en) 2011-12-14 2013-06-20 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement
DE102016112720A1 (en) 2016-07-12 2018-01-18 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement for tracks

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2430460A (en) * 2005-09-26 2007-03-28 Balfour Beatty Plc Railway arrangement
CN1928235B (en) * 2006-09-21 2011-02-09 尹学军 Damper rail

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Publication number Priority date Publication date Assignee Title
US3295760A (en) * 1964-02-25 1967-01-03 Railroad Rubber Products Inc Rubber rail seat for track structure and the like
DE8807195U1 (en) * 1988-06-01 1988-09-15 Trelleborg Gummiwerke GmbH, 2351 Wasbek Rail for rail vehicles
JPH0647041B2 (en) * 1990-04-23 1994-06-22 株式会社ジーテック Multipurpose heat transfer device
US6588677B2 (en) * 2000-05-03 2003-07-08 Iron Horse Engineering Co. Rail boot
GB0223276D0 (en) * 2002-10-08 2002-11-13 Hyperlast Ltd Cladding of rails
US3369753A (en) * 2013-12-11 1968-02-20 Swedish Rail System Ab Srs Pads for supporting rails

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013087070A1 (en) 2011-12-14 2013-06-20 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement
DE102016112720A1 (en) 2016-07-12 2018-01-18 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement for tracks
WO2018010740A1 (en) 2016-07-12 2018-01-18 Dätwyler Sealing Technologies Deutschland Gmbh Damping arrangement for tracks
US11136725B2 (en) 2016-07-12 2021-10-05 Daetwyler Sealing Technologies Deutschland Gmbh Damping arrangement for tracks

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DE502004009745D1 (en) 2009-08-27
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