WO2017125541A1 - Semelle sous traverse - Google Patents

Semelle sous traverse Download PDF

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Publication number
WO2017125541A1
WO2017125541A1 PCT/EP2017/051173 EP2017051173W WO2017125541A1 WO 2017125541 A1 WO2017125541 A1 WO 2017125541A1 EP 2017051173 W EP2017051173 W EP 2017051173W WO 2017125541 A1 WO2017125541 A1 WO 2017125541A1
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WO
WIPO (PCT)
Prior art keywords
layer
sleeper
threshold
padding
layers
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.)
Ceased
Application number
PCT/EP2017/051173
Other languages
German (de)
English (en)
Inventor
Herwig Miessbacher
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.)
Semperit AG Holding
Original Assignee
Semperit AG Holding
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 Semperit AG Holding filed Critical Semperit AG Holding
Priority to EP17702026.0A priority Critical patent/EP3405614A1/fr
Publication of WO2017125541A1 publication Critical patent/WO2017125541A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E01B1/005—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with sleeper shoes

Definitions

  • the present invention relates to a sleeper sheeting, in particular for a sleepersheet carried in the ballast bed, a concrete sleeper, to which a sleeper padding is attached, and a method for producing a sleeper padding.
  • a sleeper pad also known as underside pad (USP)
  • USP underside pad
  • the (elastic) threshold insole allows adaptation to the ballast bed, which leads to an increase of the support surface and to a reduction of the stress of the ballast grain or grains.
  • the compressive stress of the ballast especially in the area of contact between the sill and the ballast, can be reduced because the contact area is increased inasmuch as it allows the ballast grains to penetrate the sill reinforcement.
  • Thresholds known from the prior art are used, for. B. glued to the appropriate railway sleeper.
  • the disadvantage here is the additional effort in sleeper and low adhesion.
  • threshold soles with adhesive systems comprising z. B. corresponding undercuts, holes and gaps, etc., known which are pressed into the still soft concrete (the railway sleeper). After curing, a positive connection is formed with the threshold insole.
  • Such threshold solders are produced by casting or by extrusion, and the abovementioned adhesive systems must be elaborately formed, which is expensive and time-consuming.
  • a threshold reinforcement in particular for a railway sleeper worn in a ballast bed, comprises a first layer and a second layer, an adhesive system being formed by the first layer and the second layer or between the first and second layer.
  • the second layer is the layer which, when installed, is oriented towards the ballast bed.
  • the first layer is accordingly oriented towards the concrete sleeper.
  • an (at least) two-layered / two-layered structure of the threshold soling is originally composed of at least two separate, in particular two separate, and optionally independently produced, layers.
  • the adhesive system is provided / formed or formed for connection to a concrete sleeper.
  • the adhesive system is characterized by the fact that it can form a positive connection with the material of the railway sleeper, in particular with the concrete.
  • preferably corresponding recesses / undercuts, cavities, channels, interstices, extensions, etc. are provided, which can be surrounded by the concrete, whereby a permanent bond with high adhesion can be achieved.
  • the effort is significantly lower than in three-dimensional molded adhesive systems or extruded profiles with appropriate geometries, which should allow a connection with a concrete sleeper.
  • the adhesive system is advantageously formed by the shape and geometry of the first and second Layer and in particular formed or formed by their position to each other and must not be subsequently introduced into the threshold soling or in the layers themselves.
  • the first layer is z. B. from a thermoplastic, for example, PE (polyethylene), PE-UHMW (ultra-high molecular weight polyethylene), PP (propylene), PET (Polyethylentherephtalat), PBT (polybutylene terephthalate), PA (polyamide), EVA (ethylene vinyl acetate), PUR (Polyurethane) or elastomer (granules).
  • the first layer can be formed from a solid material or from a foam material.
  • the second layer is preferably also made of a thermoplastic, in particular PE (polyethylene), PE-UHMP (ultra-high molecular weight polyethylene), PP (propylene), PET (polyethylene terephthalate), PBT (polybutylene terephthalate), PA (polyamide), EVA (ethylene-vinyl acetate ), PUR (polyurethane) or elastomer (granules).
  • PE polyethylene
  • PE-UHMP ultra-high molecular weight polyethylene
  • PP propylene
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • PA polyamide
  • EVA ethylene-vinyl acetate
  • PUR polyurethane
  • elastomer granules.
  • the second layer may be made of a solid material or of a
  • Foam material may be formed.
  • a layer thickness of the first layer is in a range of about 0.01 to 18 mm, preferably in a range of 0.05 to 15 mm, particularly preferably in a range of about 0.1 to 10 mm.
  • a layer thickness of the second layer is in a range of about 0.2 to 30 mm, more preferably in a range of about 0.5 to 20 mm.
  • the second layer preferably has a hardness in a range of about 10 ShA to 90 ShD, more preferably in a range of about 20 ShA to 90 ShD.
  • the second layer is a rubber, which is more in a hardness range of about 20 ShA to 90 ShD. Both the first and second layers can be pressed from a rubber granulate.
  • the layer thickness of the first layer and the layer thickness of the second layer remain substantially constant over the extent of the threshold annealing. If the first layer and / or the second Layer are structured, is parked under a constant layer thickness on the averaged over the structuring layer thickness, which remains constant over several structurings.
  • the first layer and the second layer are partially or partially interconnected.
  • the second layer has a side facing on the first layer and / or the first layer has a recess on the side facing the second layer.
  • the recesses can be targeted in advance, d. H. before joining, in a simple manner and they do not have to be complicated and possibly uncontrolled when connecting the first layer to the second layer.
  • the first layer or the second layer is unstructured.
  • the workload for one of the two layers can be kept as low as possible, since only one layer has to be structured.
  • at least the second layer is formed in multiple layers, whereby a targeted modification of the properties is made possible.
  • the damping behavior can be influenced in a targeted manner by a multilayer structure.
  • the layers can z. B. differ in their hardness.
  • the layers can z. B. glued together.
  • At least one of the layers can also be formed from a metal material. This applies to both the first layer and the second layer. So z. B. the later described in more detail tapes or cords of the first layer have a metal core.
  • At least one recess and / or undercut or a multiplicity of recesses and / or undercuts is formed between the first and second layer or through the first and second layer.
  • the adhesive system or the recesses and / or undercuts can be pressed into the still soft concrete of the railway sleeper during its manufacture. After curing, a permanent bond is created via a positive connection.
  • the recesses and / or undercuts are formed so that they can be surrounded by the (still liquid) concrete, so they are designed for the circulation with concrete.
  • the sleeper padding may be pushed into the soft concrete, but the soft concrete may also be poured onto the sleeper pad.
  • the decisive factor is that ultimately the adhesive system is not produced during the production of the first and second layers, for example during the casting or extrusion process, but is formed by the interaction of the first and second layers or their shape and geometry.
  • the first layer and / or the second layer can also comprise at least one extension or the like, for example in the form of a hook, for molding the adhesive system.
  • the first and the second layer are fastened or joined to one another via a multiplicity of attachment or joining areas, wherein the attachment areas are preferably formed by a pressing method and / or an adhesive method.
  • the attachment areas thus connect the previously separately formed layers to one another.
  • the first and the second layer are in a preferred embodiment z. B. by means of suitable tools or by means of suitable tool mold halves pressed against each other in such a way that a durable composite system is provided.
  • the first and the second layer are preferably connected to one another via a plurality of pressing locations.
  • Typical pressures are in a range of about 0.01 to 500 bar. Typical temperatures are suitably in a range of about 20 to 400 ° C.
  • the attachment regions have the advantage that from the originally at least two separate layers, a threshold soling can be formed with a corresponding adhesive system.
  • the two layers may consist of the same material or of different materials. The two layers themselves also do not need to be made by the same process. Possibly.
  • the attachment areas may also be splices. Other cohesive and / or positive and / or non-positive connections such as rivets are, albeit consuming in the production conceivable.
  • the attachment areas can have different shapes or geometries. They can be round, for example oval or else circular, or angular or polygonal, in particular square or rectangular, for example. Appropriately, results in an alternating sequence of recesses and / or undercuts and attachment areas.
  • the recesses and / or undercuts are thus also in particular formed, that the first and the second layer at least partially not just attached to each other, whereby between the first and second layer, the recesses and / or undercuts, cavities, chambers and channels, etc. can be formed.
  • the recesses / cavities etc. have a height of approximately 2 to 15 mm, preferably of approximately 2 to 10 mm.
  • the threshold soling has a longitudinal direction and a width direction, wherein the recesses / undercuts and the attachment regions are arranged alternately in the longitudinal direction and in the width direction, expediently at a regular spacing.
  • the width direction of the Schwellenhleohlung corresponds according to one embodiment, for. B. the track direction of the rail system. Basically, the attachment areas but also z. B. may be arranged in an irregular pattern.
  • the first and / or the second layer has elevations on which the attachment areas are formed.
  • the layers are so z. B. thickened in sections or raised. If two such layers are pressed together, the attachment areas advantageously result at the thickened areas.
  • the webs are according to one embodiment z. B. substantially parallel to each other and have a width of about 1 to 50 mm, preferably from about 2 to 15 mm on. Between the webs, a distance is measured in various embodiments, for. B. in a range of about 1 to 50 mm, preferably about 2 to 15 mm.
  • the attachment areas are at least partially formed on the webs.
  • the recesses and / or undercuts suitably comprise openings or the like, so that the liquid concrete in the recesses, undercuts, Cavities, chambers and channels etc. between the first and second layers can flow.
  • the first layer z. B. a foil or a plate, which has an opening, for. B. by drilling / punching, preferably several, has.
  • the openings are expediently arranged where the second layer has no elevation or no web. If the second layer has, for example, a plurality of webs, the openings preferably run parallel to the webs.
  • the openings can z. B. as round, in particular circular, oval or square openings, slots or gaps may be formed in the first layer. It is easy to understand that in this way very quickly and effectively an adhesive system comprising a plurality of recesses, undercuts and cavities, etc. can be formed.
  • the first layer is formed by a (coarse mesh) fabric.
  • the woven fabric or the coarse-meshed fabric is so "permeable" that the liquid concrete can pass through it
  • the distance of the weft and warp threads of the fabric is for example in a range of about 0.5 to 20 mm, preferably at about 1 to 10 mm.
  • the second layer may also have a plurality of webs, which z. B. as a chess board, are arranged, that is substantially perpendicular to each other. Other angles in a range between 0 and 90 ° are possible, for example, a diamond-shaped arrangement.
  • the elevations may also have other shapes, for example in the form of knobs or the like, and need not be designed as webs.
  • the first layer is formed by a multiplicity of strips or bands or strings along which the attachment regions are formed.
  • An upper side of the second layer is preferably planar or flat in this case, but it may also have elevations, for example in the form of the already known webs.
  • the Strips / ribbons according to various embodiments have a width of about 0.5 to 50 mm, preferably about 1 to 15 mm.
  • the strips / bands are arranged parallel and at a distance of about 1 to 50 mm, preferably from about 1 to 15 mm.
  • the cords which are z. B.
  • a distance of the cords is preferably in a range of about 0.01 to 30 mm, more preferably in a range of about 0.5 to 20 mm.
  • the bands, strips or cords can be z. B. may be arranged such that they intersect the webs, wherein at the crossing points preferably the attachment areas are formed.
  • an angle between the strips, tapes or cords of the first layer and the webs of the second layer is in a range of about 20 ° to 90 °, in particular about 60 ° to 90 °.
  • z. B. formed the first layer undulating or z. B. the strips or ribbons / cords of the first layer wave-shaped, between the respective troughs and the second layer expediently the attachment areas are formed.
  • such wavy strips or bands have a width of about 0.5 to 50 mm, preferably from about 1 to 15 mm.
  • the strips / ribbons / cords can also abut one another directly, that is, butt-to-joint, preferably offset from each other in such a way that a corrugation peak is always arranged next to a trough.
  • the inflow of the liquid concrete between the first and second layers is made possible and ensured.
  • wave-shaped is not to be interpreted strictly as meaning that, for example, a sinusoidal profile of the first layer or of the strips / tapes / cords must be present. Also angular, for example rectangular, or triangular, as in a saw tooth, be formed.
  • the strips, bands or cords may also be formed along their longitudinal direction by a plurality of (correspondingly short) strips, bands or cord sections.
  • the strips, ribbons or strings are then not formed continuously.
  • a section comprises a fastening region, preferably two.
  • the strip, strip or cord section thus expediently form a multiplicity of tabs.
  • the first layer is formed in one piece or as a film and optionally wave-shaped, wherein corresponding openings are provided.
  • a foil with holes, tapes, tapes or cords multifilaments, monofilaments can also be used.
  • the wave shape can also be produced during the fastening, in particular during the pressing, of the first and second layer, for example by a corresponding compression of the first layer or of the strips / strips / cords.
  • the first layer may also have the waveform in itself, that is to say it has already been shaped during the production.
  • the threshold soling comprises a third layer, which is attached to the second layer, in particular to a lower side of the second layer, ie the side applied to the first layer, the third layer being a ballast protection layer.
  • the third layer being a ballast protection layer.
  • a threshold reinforcement is fastened to a concrete railway sleeper, the sleeper reinforcement comprising a first layer and a second layer Layer, wherein an adhesive system is formed by the first layer and the second layer, for positive connection with the concrete of the railway sleeper.
  • the sleeper padding is attached to an underside of the railway sleeper, at the top of the railway sleeper run the tracks.
  • the bond strength between the railway sleeper and the threshold sheeting is e.g.
  • a method for producing a threshold reinforcement comprises the steps:
  • the method further comprises the step:
  • the pressing is done z. At pressures in the range of about 0.01 to 500 bar and at temperatures in the range of about 20 to 400 ° C.
  • the first and / or the second layer can be vulcanized during the pressing. Preference is thus given to using continuous vulcanization processes under pressure. Also, discontinuous methods, such as. B. step pressing method, but are possible. Alternatively, the vulcanization of both the first and the second layer or, where appropriate, both layers may also take place after the pressing.
  • the layers may also have been vulcanized prior to compression, e.g. B. in a continuous or discontinuous pressing or extrusion process.
  • the threshold soling is produced in a continuous pressing process, it being possible for a plurality of optionally also different materials / layers to be directly connected to one another.
  • the elastomers used can be present in vulcanized and / or unvulcanized state.
  • the sleeper padding is easily produced in a multi-layered fashion with consistent product quality and dimensions. This can only be achieved with great effort in conventionally used processes (extrusion, PUR casting). Also advantageous is the production by means of step pressing method.
  • the rotary vulcanization process should be mentioned. This makes it possible to continuously produce products with and without reinforcement inserts.
  • Another example is the double belt presses. These presses consist of two endless steel bands, which are led around two drums. Pressure and temperature can be varied along the flat belts. Compared to rotary vulcanization processes, double belt presses have the advantage that much higher pressures can be achieved. Compared to step presses, it is advantageous that the heating and cooling takes place under constant pressure, without having to open the press, and that there are no transient loads with double heating time.
  • the lead cladding method is to be mentioned.
  • a raw hose or a raw cable is covered by a lead extruder or a lead press.
  • the thickness of the lead layer is z. B. between 1 and 3 mm.
  • hoses are built on flexible rubber or plastic mandrels. The necessary pressure is created by the difference between the thermal expansion coefficients of lead and rubber or plastic.
  • FIG. 1 shows an embodiment of a threshold insole in a perspective view
  • FIG. 2 shows a further embodiment of a threshold insole in a side view
  • FIG. 3 shows a perspective view of a railway sleeper, on the underside of which a sleeper padding is fastened;
  • FIG. 4a shows another embodiment of a threshold insole with a first
  • FIG. 4b shows another embodiment of a threshold insole with a first one
  • FIG. 4c shows another embodiment of a threshold soling in which the first layer is formed as a fabric layer.
  • FIG. 1 shows, in a perspective view, a threshold soling 20, which has a first layer 30 which is formed from a multiplicity of bands or strips 32. These run essentially parallel to one another and are arranged at a distance from one another, which may be different, but may also be approximately the same, as shown here.
  • the first layer 30 is over a plurality of attachment portions 70 (only a single one is referenced) attached to a second layer 40.
  • the first layer 30 and the second layer 40 are pressed together.
  • the second layer 40 forms a plurality of substantially mutually parallel webs 43, 43 spaces between the parallel webs 44 are formed, resulting from the distances b, in which the webs 43 are arranged to each other.
  • the web width is marked with the reference symbol a.
  • Openings 62 are provided by arranging the substantially flat bands / strips 32 at a distance from one another. Finally, liquid concrete can flow into the recesses or undercuts 60 via the openings 62.
  • the attachment regions 70 are formed at the crossing points of the strips or bands 32 with the webs 43.
  • the strips / bands 32 in this case essentially run at an angle of 90 ° to the webs 43. However, other angles are also possible, which may result in larger attachment areas (at the points of intersection).
  • the recesses 60 have, between an upper side 41 of the second layer 40 and the strips or strips 32, a height h which lies in a range of approximately 1 to 20 mm, preferably in a range of approximately 2 to 10 mm.
  • a third layer 50 is attached, which z. B. serves as a gravel protection layer.
  • FIG. 2 shows a further embodiment of a threshold reinforcement 20 comprising a first layer 30 and a second layer 40 in a side view. Shown here are two (successively arranged) strips or bands 32, which run in a waveform and which form the first layer 30 / form. Wave troughs 33 are correspondingly followed by wave crests 34. This also results in a multiplicity of recesses or undercuts 60, comprising openings 62, which are formed here via the shape, in particular by the wave shape of the strips / bands 32.
  • the strips / bands 32 may be arranged directly adjacent to each other or at a distance from one another.
  • the recesses 60 have a height h. Preferred values have already been included Fig. 1 called.
  • attachment regions 70 are formed on an upper side 41 of the first layer 30 and on the corresponding wave troughs 33 of the strips or bands 32 and.
  • a third layer 50 designed as a gravel protection layer is arranged on a lower side 42 of the second layer 40.
  • Fig. 3 shows a perspective view of a railway sleeper 1, in particular a concrete sleeper, at the bottom of a Schwellenhleohlung 20 is attached.
  • a second layer 40 and a third layer 50 designed as a ballast protective layer can be seen.
  • the concrete sleeper 1 extends along a longitudinal direction L and along a width direction B, the rails not shown here running along the width direction B.
  • a first layer is not recognizable here, since it is connected in a form-fitting manner to the concrete of the railway sleeper 1 as part of the adhesive system of the threshold sheeting 20.
  • FIG. 4a shows a further embodiment of a threshold soling 20, comprising a first layer 30 and a second layer 40.
  • the second layer 40 comprises a multiplicity of webs 43 arranged parallel to one another.
  • Cords 32 extend substantially perpendicular to the webs 43 z.
  • B. are formed as Monofila- elements or multifilaments.
  • the cords can also run at other angles between 0 and 90 ° relative to the webs.
  • the cords with each other must not always run parallel to each other. If they run parallel, a distance is expediently in a range of about 0.01 to 30 mm, preferably in a range of about 0.5 to 20 mm.
  • a diameter of the strings is z. In a range of about 0.01 to 10 mm or in a range of about 0.01 to 5 mm.
  • FIG. 4b shows a further embodiment of a threshold loop 20, comprising a first layer 30 and a second layer 40.
  • the second layer 40 has a plurality of webs 43, between which intermediate spaces 44 are formed.
  • the first layer is here z. B. formed as a foil or plate, which has a variety of round, z. B. oval or circular, openings 62, which z. B. drilled or punched, has. These are expediently arranged in rows in such a way that they are positioned over the intermediate spaces 44.
  • FIG. 4 c shows a further embodiment of a threshold annealing 20, which has a first layer 30 and a second layer 40.
  • the second layer 40 includes a plurality of webs 43.
  • the first layer 30 is formed as a fabric, in particular as a coarse-meshed fabric.
  • the course of the weft and warp threads is shown in a top view in the upper right-hand half of the picture, the warp threads extending vertically and the weft threads extending horizontally. and warp threads are, for example, in a range of about 0.5 to 50 mm, preferably in a range of about 1 to 20 mm.

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Abstract

Semelle sous traverse (20), en particulier pour une traverse de chemin de fer (1) soutenue dans un lit de ballast, qui comprend une première couche (30) et une seconde couche (40), un système d'adhérence étant formé par la première couche (30) et la seconde couche (40).
PCT/EP2017/051173 2016-01-21 2017-01-20 Semelle sous traverse Ceased WO2017125541A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17702026.0A EP3405614A1 (fr) 2016-01-21 2017-01-20 Semelle sous traverse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016101011.1A DE102016101011A1 (de) 2016-01-21 2016-01-21 Schwellenbesohlung
DE102016101011.1 2016-01-21

Publications (1)

Publication Number Publication Date
WO2017125541A1 true WO2017125541A1 (fr) 2017-07-27

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ID=57914947

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/051173 Ceased WO2017125541A1 (fr) 2016-01-21 2017-01-20 Semelle sous traverse

Country Status (3)

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EP (1) EP3405614A1 (fr)
DE (1) DE102016101011A1 (fr)
WO (1) WO2017125541A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023102633A1 (fr) * 2021-12-07 2023-06-15 Общество с ограниченной ответственностью "Индустриальный центр" Traverse et procédé de fabrication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998046840A1 (fr) * 1997-04-14 1998-10-22 Gfi-Gesellschaft Für Industrieförderung Mbh Systeme pour la liaison d'un materiau elastique avec du beton n'ayant pas encore pris
EP1298252A2 (fr) * 2001-10-01 2003-04-02 RST-Rail Systems and Technologies GmbH Traverse avec revêtement sur le dessous
WO2012139142A1 (fr) * 2011-04-15 2012-10-18 Getzner Werkstoffe Holding Gmbh Traverse de chemin de fer
WO2012139143A1 (fr) * 2011-04-15 2012-10-18 Getzner Werkstoffe Holding Gmbh Traverse de chemin de fer
WO2013068259A1 (fr) * 2011-11-10 2013-05-16 Semperit Ag Holding Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle
DE102013209495A1 (de) * 2013-05-22 2014-11-27 GKT Gummi- und Kunststofftechnik Fürstenwalde GmbH Schwellensohle für eine Bahnschwelle

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Publication number Priority date Publication date Assignee Title
DE102004011610A1 (de) * 2004-03-10 2005-09-29 Spreepolymer Gleistechnik Gmbh Verfahren zur Herstellung eines Verbundsystems zwischen Beton und einem hochpolymeren elastischen Material sowie ein nach diesem Verfahren hergestelltes Verbindungsmittel und dessen Verwendung
AT506529B1 (de) * 2008-03-06 2010-05-15 Getzner Werkstoffe Holding Gmbh Schwellensohle
NL2007388C2 (en) * 2011-09-09 2013-03-12 Edilon Sedra B V Resilient rail support block assembly and manufacturing thereof.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998046840A1 (fr) * 1997-04-14 1998-10-22 Gfi-Gesellschaft Für Industrieförderung Mbh Systeme pour la liaison d'un materiau elastique avec du beton n'ayant pas encore pris
EP1298252A2 (fr) * 2001-10-01 2003-04-02 RST-Rail Systems and Technologies GmbH Traverse avec revêtement sur le dessous
WO2012139142A1 (fr) * 2011-04-15 2012-10-18 Getzner Werkstoffe Holding Gmbh Traverse de chemin de fer
WO2012139143A1 (fr) * 2011-04-15 2012-10-18 Getzner Werkstoffe Holding Gmbh Traverse de chemin de fer
WO2013068259A1 (fr) * 2011-11-10 2013-05-16 Semperit Ag Holding Semelle de traverse de chemin de fer munie d'un revêtement réduisant les frottements pour une traverse de chemin de fer et traverse de chemin de fer pourvue d'une telle semelle
DE102013209495A1 (de) * 2013-05-22 2014-11-27 GKT Gummi- und Kunststofftechnik Fürstenwalde GmbH Schwellensohle für eine Bahnschwelle

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EP3405614A1 (fr) 2018-11-28
DE102016101011A1 (de) 2017-07-27

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