EP2603637A1 - Track sleeper and switching gear made of composite material - Google Patents

Track sleeper and switching gear made of composite material

Info

Publication number
EP2603637A1
EP2603637A1 EP10766079.7A EP10766079A EP2603637A1 EP 2603637 A1 EP2603637 A1 EP 2603637A1 EP 10766079 A EP10766079 A EP 10766079A EP 2603637 A1 EP2603637 A1 EP 2603637A1
Authority
EP
European Patent Office
Prior art keywords
composite material
track
sleepers
traverse
fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10766079.7A
Other languages
German (de)
French (fr)
Other versions
EP2603637B1 (en
Inventor
Philippe Mugg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vossloh COGIFER SA
Original Assignee
Vossloh COGIFER SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vossloh COGIFER SA filed Critical Vossloh COGIFER SA
Publication of EP2603637A1 publication Critical patent/EP2603637A1/en
Application granted granted Critical
Publication of EP2603637B1 publication Critical patent/EP2603637B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential

Definitions

  • the present invention relates to the field of railway infrastructure, in particular track materials, and relates to a cross member for track and track apparatus made of composite material.
  • sleepers used in applications laid on concrete slabs are generally made of prestressed concrete or not and are provided with a central longitudinal groove, allowing the insertion of bolts for the attachment of track elements, such as as saddles, attachments, insulators, support stops and other elements of a switchgear.
  • sleepers known today are laid and poured into a concrete slab and are therefore not stressed in bending.
  • Such sleepers are particularly known from F-A-2,482,990 and meet all the mechanical requirements. For this purpose, they have a height of the order of 180 mm to 190 mm, to ensure good mechanical strength, by the insertion of prestressed elements or not and in particular because of the longitudinal longitudinal groove.
  • sleepers require the realization of an important disbursing during installation, to take into account their height.
  • the sleepers thus produced prestressed concrete or not, have a very high density, resulting in unit weights of sleepers between 100 kg and 450 kg, so it is necessary to implement handling means and the transport of these sleepers is relatively expensive.
  • sleepers are still poured into a concrete slab, so that a realization of heavy and bulky sleepers is not necessary.
  • the metal profile is embedded in the concrete, it is electrically connected to the earth, so that it allows a propagation of stray currents generated by the return of the traction current of the rails.
  • CH-A-447 242 a monolithic cross, in which the prestressed concrete is replaced by a molded synthetic material provided with a reinforcing reinforcement. Such an achievement is comparable to that of reinforced concrete sleepers. As a result, this cross is massive and comparable in weight to wooden sleepers or concrete and is also intended to be used on conventional railways, that is to say with ballast.
  • the present invention aims to overcome these disadvantages by providing a cross for track and track apparatus, reduced height, low weight and providing total electrical insulation between two rails.
  • the crosspiece for track and switchgear provided with a longitudinal central groove for securing fastening of rails, saddles, insulators, support-stops or the like, this crossbeam being embedded in a slab concrete and being provided with bolts for fixing a track rail, for example with the interposition of a saddle and implementation of toads, is characterized in that it is made of a composite material.
  • FIG. 1 is a perspective view of a cross member according to the invention.
  • Figure 2 is a view similar to that of Figure 1 showing the fixing of a rail on the cross of Figure 1, said cross is embedded in a concrete slab.
  • Figure 1 of the accompanying drawings shows a crosspiece 1 for track and switchgear, provided with a longitudinal center groove 2, for securing fastening of rails, saddles, insulators, hangers or the like.
  • a crossbar 1 is implemented for fixing a track rail 3, is embedded in a concrete slab 4 and is provided with bolts 5 for fixing said rail track 3, for example with the interposition of a saddle 6 and implementation of toads 7.
  • this crossbar 1 is made of a composite material.
  • the composite material is a pultruded composite material.
  • Such a composite material is constituted by a resin matrix surrounding a reinforcement composed of fibers.
  • the resin used is of the polyester, epoxy, phenolic or thermosetting type and the fibers are glass, mineral, vegetable or aramid fibers.
  • the materials thus obtained have excellent mechanical characteristics and, in particular, a very high strength-to-weight ratio.
  • the fiber reinforcement provides the mechanical strength, namely the tensile strength and rigidity, the tensile modulus in the direction of the fibers being greater than those of the steel.
  • the resin matrix binds the fibers forming the armature and distributes the compression or bending forces, while providing chemical protection and electrical insulation.
  • the embodiment of the cross-member 1 by pultrusion makes it possible to obtain the optimum mechanical properties of a composite material, which is, by definition, anisotropic, by preferential orientation of the reinforcing fibers. Indeed, during pultrusion, the reinforcing fiber layers are arranged in the directions of mechanical stress, so that the product obtained is perfectly suited to the intended application.
  • the method of producing the crossbar 1 is of known type and does not require a detailed description. It suffices to recall that a fiber reinforcement impregnated with a thermosetting resin is pulled through a die mold, in which shaping and crosslinking takes place. Such a method makes it possible to obtain profiles of great length and of all shapes, these profiles being cut to predetermined lengths, at their exit from the die mold.
  • the height of the crossbar 1 can be very significantly reduced compared to the height of conventional sleepers prestressed concrete or not, namely to have a height of the order of 80 mm, so that for the installation of such sleepers, the civil works are very significantly reduced, allowing a significant saving on the volume of the concrete slab, in which the crossbar is inserted. This results in substantial gains on the site, both in terms of the duration of the work and the costs of the latter.
  • the cross member according to the invention in a reduced footprint, its weight is very significantly reduced, namely of the order of eight kilograms per linear meter.
  • Such a reduction in weight and space, compared with a concrete crossbar, whose weight per linear meter is approximately 90 kilos, facilitates handling operations, both during the blank assembly at the factory and during assembly on site and thus the implementation without special lifting tools, such as bridges or forklifts.
  • the precise placement of sleepers during assembly no longer requires handling tools and is therefore easier, while allowing a faster and more accurate installation, the adjustment of sleepers being possible manually.
  • on-site transportation and storage are facilitated.
  • the composite cross member is also an electrical insulator and the insulation problems of one rail relative to the other and the insulation of the railway, usual to this day, are completely eliminated.
  • the embodiment of the cross member 1 composite material because of the embodiment of the cross member 1 composite material, it is completely insensitive to corrosion, unlike metal profiles implemented in known prestressed concrete sleepers.
  • the mounting of the track rails 3 no longer requires the use of additional electrical insulating devices, such as those provided with the traditional crosspieces, namely insulating insoles. , insulating guns and insulating washers.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

Sleeper (1) for producing track and switching gear in a composite material, which sleeper is provided with a longitudinal central groove (2), for fastening rail attachments, soleplates, isolators, supports/stops or the like, this sleeper (1) being embedded in a concrete slab and being provided with bolts for fastening a track rail, for example with the interposition of a soleplate and with the use of clips.

Description

Traverse pour voie et appareil de voie en matériau composite  Traverse for track and apparatus of composite material
La présente invention concerne le domaine de l'infrastructure ferroviaire, en particulier des matériels de voie, et a pour objet une traverse pour voie et appareil de voie en matériau composite. The present invention relates to the field of railway infrastructure, in particular track materials, and relates to a cross member for track and track apparatus made of composite material.
Actuellement, les traverses mises en œuvre dans les applications posées sur dalles béton, sont généralement réalisées en béton armé précontraint ou non et sont munies d'une rainure longitudinale médiane, permettant l'insertion de boulons pour la fixation d'éléments de voie, tels que des selles, des attaches, des isolateurs, des supports arrêts et autres éléments d'un appareil de voie.  Currently, sleepers used in applications laid on concrete slabs, are generally made of prestressed concrete or not and are provided with a central longitudinal groove, allowing the insertion of bolts for the attachment of track elements, such as as saddles, attachments, insulators, support stops and other elements of a switchgear.
Les traverses connues à ce jour sont posées et coulées dans une dalle en béton et ne sont donc pas sollicitées en flexion. De telles traverses sont notamment connues par F -A-2 482 990 et permettent de satisfaire à toutes les exigences mécaniques. A cet effet, elles présentent une hauteur de l'ordre de 180 mm à 190 mm, afin de garantir une bonne tenue mécanique, ce par l'insertion d'éléments précontraints ou non et notamment du fait de la rainure longitudinale médiane.  The sleepers known today are laid and poured into a concrete slab and are therefore not stressed in bending. Such sleepers are particularly known from F-A-2,482,990 and meet all the mechanical requirements. For this purpose, they have a height of the order of 180 mm to 190 mm, to ensure good mechanical strength, by the insertion of prestressed elements or not and in particular because of the longitudinal longitudinal groove.
Cependant, ces traverses connues nécessitent la réalisation d'un décaissage important lors de la pose, ce pour tenir compte de leur hauteur. En outre, les traverses ainsi réalisées, en béton précontraint ou non, présentent une masse volumique très importante, entraînant des poids unitaires des traverses compris entre 100 Kg et 450 Kg, de sorte qu'il est nécessaire de mettre en œuvre des moyens de manutention lourds et que le transport de ces traverses est relativement coûteux. Or, dans les applications habituelles avec voies en chaussée, les traverses sont toujours coulées dans une dalle de béton, de sorte qu'une réalisation de traverses lourdes et encombrantes n'est pas nécessaire.  However, these known sleepers require the realization of an important disbursing during installation, to take into account their height. In addition, the sleepers thus produced, prestressed concrete or not, have a very high density, resulting in unit weights of sleepers between 100 kg and 450 kg, so it is necessary to implement handling means and the transport of these sleepers is relatively expensive. However, in the usual applications with roadways, sleepers are still poured into a concrete slab, so that a realization of heavy and bulky sleepers is not necessary.
Enfin, la rainure médiane longitudinales de ces traverses connues est toujours réalisée à partir d'un profilé métallique noyé dans le béton, de sorte que ce profilé créé un shuntage entre les deux files de rail fixées sur les traverses, de sorte qu'il est nécessaire de mettre en œuvre, à chaque attache, des isolateurs destinés à assurer l'isolation électrique de la voie.  Finally, the longitudinal central groove of these known sleepers is always made from a metal profile embedded in the concrete, so that this profile creates a shunt between the two rails fixed on the rails, so it is necessary to implement, at each fastener, insulators intended to ensure the electrical insulation of the track.
En outre, du fait que le profilé métallique est noyé dans le béton, il est relié électriquement à la terre, de sorte qu'il permet une propagation des courants vagabonds générés par le retour du courant de traction des rails. In addition, because the metal profile is embedded in the concrete, it is electrically connected to the earth, so that it allows a propagation of stray currents generated by the return of the traction current of the rails.
On connaît également par CH-A-447 242 une traverse monolithique, dans laquelle le béton précontraint est remplacé par une matière synthétique moulée pourvue d'une armature de renforcement. Une telle réalisation est comparable à celle des traverses en béton armé. Il en résulte que cette traverse est massive et d'un poids comparable aux traverses en bois ou en béton et est d'ailleurs destiné à être utilisé sur des voies ferrées classiques, c'est-à-dire avec ballast.  Also known from CH-A-447 242 a monolithic cross, in which the prestressed concrete is replaced by a molded synthetic material provided with a reinforcing reinforcement. Such an achievement is comparable to that of reinforced concrete sleepers. As a result, this cross is massive and comparable in weight to wooden sleepers or concrete and is also intended to be used on conventional railways, that is to say with ballast.
La présente invention a pour but de pallier ces inconvénients en proposant une traverse pour voie et appareil de voie, de hauteur réduite, de faible poids et assurant une isolation électrique totale entre deux files de rail.  The present invention aims to overcome these disadvantages by providing a cross for track and track apparatus, reduced height, low weight and providing total electrical insulation between two rails.
A cet effet, la traverse pour voie et appareil de voie, pourvue d'une rainure médiane longitudinale pour la fixation d'attache de rails, de selles, d'isolateurs, de supports-arrêts ou analogues, cette traverse étant noyée dans une dalle de béton et étant pourvue de boulons de fixation d'un rail de voie, par exemple avec interposition d'une selle et mise en œuvre de crapauds, est caractérisée en ce qu'elle est réalisée en un matériau composite.  For this purpose, the crosspiece for track and switchgear, provided with a longitudinal central groove for securing fastening of rails, saddles, insulators, support-stops or the like, this crossbeam being embedded in a slab concrete and being provided with bolts for fixing a track rail, for example with the interposition of a saddle and implementation of toads, is characterized in that it is made of a composite material.
L'invention sera mieux comprise, grâce à la description ci- après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dan lesquels :  The invention will be better understood, thanks to the following description, which relates to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
la figure 1 est une vue perspective d'une traverses conforme à l'invention, et  FIG. 1 is a perspective view of a cross member according to the invention, and
la figure 2 est une vue analogue à celle de la figure 1 représentant la fixation d'un rail sur la traverse de la figure 1 , ladite traverse étant noyée dans une dalle de béton.  Figure 2 is a view similar to that of Figure 1 showing the fixing of a rail on the cross of Figure 1, said cross is embedded in a concrete slab.
La figure 1 des dessins annexés représente une traverse 1 pour voie et appareil de voie, pourvue d'une rainure médiane longitudinale 2, pour la fixation d'attache de rails, de selles, d'isolateurs, de supports-arrêts ou analogues.  Figure 1 of the accompanying drawings shows a crosspiece 1 for track and switchgear, provided with a longitudinal center groove 2, for securing fastening of rails, saddles, insulators, hangers or the like.
Comme le montre la figure 2 des dessins annexés une telle traverse 1 est mise en œuvre pour la fixation d'un rail de voie 3, est noyée dans une dalle de béton 4 et est pourvue de boulons 5 de fixation dudit rail de voie 3, par exemple avec interposition d'une selle 6 et mise en œuvre de crapauds 7. As shown in Figure 2 of the accompanying drawings such a crossbar 1 is implemented for fixing a track rail 3, is embedded in a concrete slab 4 and is provided with bolts 5 for fixing said rail track 3, for example with the interposition of a saddle 6 and implementation of toads 7.
Conformément à l'invention, cette traverse 1 est réalisée en un matériau composite. De préférence, le matériau composite est un matériau composite pultrudé.  According to the invention, this crossbar 1 is made of a composite material. Preferably, the composite material is a pultruded composite material.
Un tel matériau composite est constitué par une matrice en résine entourant une armature composée de fibres. De préférence, la résine mise en œuvre est du type polyester, époxy, phénolique ou thermodurcissable et les fibres sont des fibres de verre, minérales, végétales ou d'aramide.  Such a composite material is constituted by a resin matrix surrounding a reinforcement composed of fibers. Preferably, the resin used is of the polyester, epoxy, phenolic or thermosetting type and the fibers are glass, mineral, vegetable or aramid fibers.
Les matériaux ainsi obtenus présentent d'excellentes caractéristiques mécaniques et, en particulier, un rapport résistance-poids très élevé. Ainsi, l'armature en fibres assure la tenue mécanique, à savoir la résistance à la traction et la rigidité, les modules de traction dans la direction des fibres étant supérieurs à ceux de l'acier. Par ailleurs, la matrice en résine lie les fibres formant l'armature et répartit les efforts de compression ou de flexion, tout en assurant la protection chimique et l'isolation électrique.  The materials thus obtained have excellent mechanical characteristics and, in particular, a very high strength-to-weight ratio. Thus, the fiber reinforcement provides the mechanical strength, namely the tensile strength and rigidity, the tensile modulus in the direction of the fibers being greater than those of the steel. In addition, the resin matrix binds the fibers forming the armature and distributes the compression or bending forces, while providing chemical protection and electrical insulation.
La réalisation de la traverse 1 par pultrusion permet d'obtenir les propriétés mécaniques optimales d'un matériau composite, qui est, par définition, anisotropique, par orientation préférentielle des fibres renforts. En effet, lors de la pultrusion, les couches de fibres renforts sont disposées selon les directions de sollicitation mécanique, de sorte que le produit obtenu est parfaitement adapté à l'application prévue.  The embodiment of the cross-member 1 by pultrusion makes it possible to obtain the optimum mechanical properties of a composite material, which is, by definition, anisotropic, by preferential orientation of the reinforcing fibers. Indeed, during pultrusion, the reinforcing fiber layers are arranged in the directions of mechanical stress, so that the product obtained is perfectly suited to the intended application.
Le procédé de réalisation de la traverse 1 est de type connu et ne nécessite pas de description en détail. Il suffit simplement de rappeler qu'une armature en fibre imprégnée d'une résine thermodurcissable est tirée à travers un moule filière, dans lequel s'effectue la mise en forme et la réticulation. Un tel procédé permet l'obtention de profilés de grande longueur et de toutes formes, ces profilés étant débités à des longueurs préétablies, à leur sortie du moule filière.  The method of producing the crossbar 1 is of known type and does not require a detailed description. It suffices to recall that a fiber reinforcement impregnated with a thermosetting resin is pulled through a die mold, in which shaping and crosslinking takes place. Such a method makes it possible to obtain profiles of great length and of all shapes, these profiles being cut to predetermined lengths, at their exit from the die mold.
Du fait de la réalisation de la traverse 1 sous forme d'un profilé en matériau composite, la hauteur de la traverse 1 peut être très nettement diminuée par rapport à la hauteur des traverses traditionnelles en béton précontraint ou non, à savoir présenter une hauteur de l'ordre de 80 mm, de sorte que, pour la pose de telles traverses, les travaux de génie civil sont très nettement réduits, permettant une économie importante sur le volume de la dalle de béton, dans laquelle la traverse est insérée. Il en résulte des gains substantiels sur le chantier, tant en ce qui concerne la durée des travaux que les coûts de ces derniers. Due to the realization of the cross member 1 in the form of a composite material profile, the height of the crossbar 1 can be very significantly reduced compared to the height of conventional sleepers prestressed concrete or not, namely to have a height of the order of 80 mm, so that for the installation of such sleepers, the civil works are very significantly reduced, allowing a significant saving on the volume of the concrete slab, in which the crossbar is inserted. This results in substantial gains on the site, both in terms of the duration of the work and the costs of the latter.
Par ailleurs, du fait de la réalisation de la traverse conforme à l'invention sous un encombrement réduit, son poids est très nettement réduit, à savoir de l'ordre de huit kilogrammes par mètre linéaire. Une telle réduction de poids et d'encombrement, par comparaison avec une traverse en béton, dont le poids par mètre linéaire est approximativement de 90 kilos, permet de faciliter les opérations de manutention, tant lors du montage à blanc en usine que lors du montage sur site et ainsi la mise en œuvre sans outils de levage particuliers, tels que des ponts ou des chariots à fourches. Il en résulte également que le placement précis des traverses lors du montage ne nécessite plus d'outils de manutention et est donc facilité, tout en permettant une pose plus rapide et plus précise, l'ajustement des traverses étant possible manuellement. Enfin, le transport sur site, ainsi que le stockage sont facilités.  Furthermore, because of the realization of the cross member according to the invention in a reduced footprint, its weight is very significantly reduced, namely of the order of eight kilograms per linear meter. Such a reduction in weight and space, compared with a concrete crossbar, whose weight per linear meter is approximately 90 kilos, facilitates handling operations, both during the blank assembly at the factory and during assembly on site and thus the implementation without special lifting tools, such as bridges or forklifts. It also results that the precise placement of sleepers during assembly no longer requires handling tools and is therefore easier, while allowing a faster and more accurate installation, the adjustment of sleepers being possible manually. Finally, on-site transportation and storage are facilitated.
La traverse composite est, par ailleurs, un isolant électrique et les problèmes d'isolation d'un rail par rapport à l'autre et de l'isolation de la voie ferrée, habituels à ce jour, sont totalement éliminés. En outre, du fait de la réalisation de la traverse 1 en matière composite, celle-ci est totalement insensible à la corrosion, contrairement aux profilés métalliques mis en œuvre dans les traverses en béton précontraint connues.  The composite cross member is also an electrical insulator and the insulation problems of one rail relative to the other and the insulation of the railway, usual to this day, are completely eliminated. In addition, because of the embodiment of the cross member 1 composite material, it is completely insensitive to corrosion, unlike metal profiles implemented in known prestressed concrete sleepers.
Du fait des propriétés d'isolant électrique du matériau composite constituant la traverse 1, le montage des rails de voie 3 ne nécessite plus la mise en œuvre de dispositifs isolants électriques supplémentaires, tels que ceux prévus avec les traverses traditionnelles, à savoir des semelles isolantes, des canons isolants et des rondelles isolantes.  Due to the electrical insulation properties of the composite material constituting the cross-member 1, the mounting of the track rails 3 no longer requires the use of additional electrical insulating devices, such as those provided with the traditional crosspieces, namely insulating insoles. , insulating guns and insulating washers.
Grâce à l'invention, il est possible de réaliser des traverses pour les applications en chaussée, en particulier pour les voies de tramway présentant un encombrement et un poids très faible par rapport à ceux des traverses correspondantes en béton précontraint ou non et dont la mise en œuvre est rapide et aisée et ne nécessite aucun moyen particulier de levage.  Thanks to the invention, it is possible to make sleepers for roadway applications, in particular for tramways having a footprint and a very low weight compared to those of the corresponding sleepers of prestressed concrete or not and whose implementation implemented is fast and easy and does not require any particular means of lifting.
Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté au dessin annexé. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.  Of course, the invention is not limited to the embodiment described and shown in the accompanying drawing. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims

EVENDICATIONS EVENDICATIONS
1. Traverse (1) pour voie et appareil de voie, pourvue d'une rainure médiane longitudinale (2), pour la fixation d'attaches de rails, de selles, d'isolateurs, de supports-arrêts ou analogues, cette traverse (1) étant noyée dans une dalle de béton (4) et étant pourvue de boulons (5) de fixation d'un rail de voie (3), par exemple avec interposition d'une selle (6) et mise en œuvre de crapauds (7), caractérisée en ce qu'elle est réalisée en un matériau composite. 1. Traverse (1) for a track and track apparatus, provided with a longitudinal center groove (2), for fastening rails, saddles, insulators, hangers or the like, 1) being embedded in a concrete slab (4) and being provided with bolts (5) for fixing a track rail (3), for example with the interposition of a saddle (6) and the use of toads ( 7), characterized in that it is made of a composite material.
2. Traverse, suivant la revendication 1, caractérisé en ce que le matériau composite est un matériau composite pultrudé.  2. Cross member according to claim 1, characterized in that the composite material is a pultruded composite material.
3. Traverse, suivant l'une quelconque des revendications 1 et 2, caractérisée en ce que le matériau composite est constitué par une matrice en résine entourant une armature composée de fibres.  3. Traverse, according to any one of claims 1 and 2, characterized in that the composite material is constituted by a resin matrix surrounding a reinforcement composed of fibers.
4. Traverse, suivant la revendication 3, caractérisée en ce que la résine est du type polyester, époxy, phénolique ou thermodurcissable  4. Traverse according to claim 3, characterized in that the resin is of polyester, epoxy, phenolic or thermosetting type
5. Traverse, suivant la revendication 3, caractérisée en ce que les fibres sont des fibres de verre, minérales, végétales ou d'aramide.  5. Traverse, according to claim 3, characterized in that the fibers are glass fibers, mineral, vegetable or aramid.
EP10766079.7A 2010-08-11 2010-08-11 Track sleeper and switching gear made of composite material Active EP2603637B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2010/051696 WO2012020179A1 (en) 2010-08-11 2010-08-11 Track sleeper and switching gear made of composite material

Publications (2)

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EP2603637A1 true EP2603637A1 (en) 2013-06-19
EP2603637B1 EP2603637B1 (en) 2019-09-25

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EP (1) EP2603637B1 (en)
KR (1) KR20140039131A (en)
CN (1) CN103189569A (en)
WO (1) WO2012020179A1 (en)

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CN109811599B (en) * 2019-03-21 2024-06-04 南京隆穹生物科技有限公司 Shield constructs construction storage battery car runway sleeper

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FR2865225B1 (en) * 2004-01-19 2006-04-14 Vossloh Cogifer LANE TRACK MOUNT BRACKET ASSEMBLY, AND USE OF SUCH SUPPORT ASSEMBLY FOR FASTENING RAILWAY OR VIGNOLINE RAILWAY APPARATUS.
WO2005100691A1 (en) * 2004-04-13 2005-10-27 The University Of Southern Queensland A railway sleeper
US7314182B2 (en) * 2004-04-21 2008-01-01 Little Michael R Extruded railroad tie for use with steel tie
WO2007113896A1 (en) * 2006-04-03 2007-10-11 Sekisui Chemical Co., Ltd. Synthetic crosstie and process for producing the same
NL1032687C2 (en) * 2006-10-16 2008-04-22 Lankhorst Recycling Products B Plastic sleepers, as well as the method for constructing or adapting a railroad.
FR2942482B1 (en) * 2009-02-24 2016-01-29 Vossloh Cogifer TRAVERSE FOR ROAD AND TRACKING APPARATUS IN COMPOSITE MATERIAL

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122886A1 (en) 2021-05-17 2022-11-18 Vossloh Cogifer Assembly comprising at least one rail and one support
WO2022243088A1 (en) 2021-05-17 2022-11-24 Vossloh Cogifer Assembly comprising at least one rail and a support

Also Published As

Publication number Publication date
CN103189569A (en) 2013-07-03
KR20140039131A (en) 2014-04-01
WO2012020179A1 (en) 2012-02-16
EP2603637B1 (en) 2019-09-25

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