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WO2011032969A1 - Système de fixation d'un rail sur un fond solide et fixation d'un rail - Google Patents

Système de fixation d'un rail sur un fond solide et fixation d'un rail Download PDF

Info

Publication number
WO2011032969A1
WO2011032969A1 PCT/EP2010/063526 EP2010063526W WO2011032969A1 WO 2011032969 A1 WO2011032969 A1 WO 2011032969A1 EP 2010063526 W EP2010063526 W EP 2010063526W WO 2011032969 A1 WO2011032969 A1 WO 2011032969A1
Authority
WO
WIPO (PCT)
Prior art keywords
shim
rail
sleeve
fastening
intermediate layer
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/EP2010/063526
Other languages
German (de)
English (en)
Inventor
Winfried BÖSTERLING
Lutz Rademacher
Adrian Bednarczyk
André HUNOLD
Michael Harrass
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 Werke GmbH
Original Assignee
Vossloh Werke GmbH
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 Werke GmbH filed Critical Vossloh Werke GmbH
Publication of WO2011032969A1 publication Critical patent/WO2011032969A1/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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/44—Fastening the rail on the tie-plate
    • E01B9/46—Fastening the rail on the tie-plate by clamps
    • E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
    • E01B9/483—Fastening the rail on the tie-plate by clamps by resilient steel clips the clip being a shaped bar
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/40—Tie-plates for flat-bottom rails
    • E01B9/42—Tie-plates for flat-bottom rails of two or more parts

Definitions

  • the invention relates to a system for securing a rail on a solid surface, which is typically formed by a concrete sleeper or concrete slab.
  • a system for securing a rail on a solid surface which is typically formed by a concrete sleeper or concrete slab.
  • Such systems should be inexpensive to produce, can be mounted in a simple manner and at the same time ensure a safe function over a long time.
  • ECF rail fastening system
  • a respective rib on which is laterally guided in the finished assembled state of the rail.
  • the rib serves as a bearing for a clamping screw, which sits with its screw head in a form-fitting in the rib-shaped receptacle and with its shaft of the
  • Underground lying support plate is arranged.
  • protruding portions of the shim each one leading from its top to its bottom
  • the eccentric sleeve has at its upper end in the mounting position a projection in the form of a
  • Eccentric sleeve is a screw inserted, which is screwed into a recessed into the solid underground dowel and so forms a rotation axis for the sleeve.
  • Plastic shims to manufacture An example of such a shim is shown in EP 1 950 347 ⁇ 2.
  • the backing plate described therein has on its underside associated with the solid ground, a stiffening structure, which consist of each other
  • a screw head of the clamping screw is one in the bottom of the shim
  • EP 1 950 347 A2 consisting of plastic shim is intended to be placed directly on the respective solid surface.
  • the known shim is provided on its narrow sides with three through holes, through which one can be screwed into the solid ground
  • Track width adjustment still an elastic mounting of the rail are provided.
  • the prior art has the object of the invention to provide a system for fastening a rail and a rail fastening, the easier
  • Claim 1 trained system for securing a rail on a solid surface and a fastening for a rail which is made using a system according to the invention.
  • a rail fastening system according to the invention therefore comprises a shim made of a synthetic material.
  • the production of the plastic backing plate becomes a distinct one
  • a fastening system according to the invention additionally to be arranged between the intermediate layer and the solid base support plate.
  • a system according to the invention includes a spring element which applies in a conventional manner the spring force required to hold down the rail to be fastened.
  • a clamping screw for clamping the spring element against the shim.
  • system according to the invention also comprises at least one fastening element for fastening the shim to the solid base, wherein
  • formed rail fastening sufficiently secure to the respective solid surface.
  • Plastic-produced shim with a supporting elastic layer is thus a
  • At least one leading from its top to its bottom sleeve opening can be formed for a hold-down sleeve in which a Hold-down sleeve inserted with sliding seat whose height is greater than the thickness of the shim in the region of its associated sleeve opening and having a protruding from its peripheral surface projection in the assembled state on the top of the
  • Washer is loaded only with a predetermined maximum force. In this way, it is reliably prevented that the plastic backing plate is damaged by mounting errors. At the same time the sleeve ensures that the elastic intermediate layer is brought together by the fastener only as far as it is necessary for a secure fit.
  • a system according to the invention is suitable for track width adjustment accomplished with the aid of an eccentric sleeve.
  • Hold-down sleeve can be designed as an eccentric sleeve. To do a particularly simple, focusing on the job site Each adjusting rough conditions to allow control of the adjustment made in each case, latching marks may be formed on the sleeve opening, taking into account the
  • Eccentricity of the axis of rotation of the eccentric sleeve with respect to the central longitudinal axis of the sleeve opening are spaced apart from each other so that are defined at a rotational adjustment of the eccentric sleeve about its axis of rotation in the sleeve opening by the locking marks rotational positions of the eccentric sleeve, the stepwise change in position of the shim by a defined amount correspond.
  • the hold-down sleeve has a form element which is compatible with the latching markings of the sleeve opening, via which the molding element which is assigned to it
  • Sleeve insert inserted hold-down sleeve is positively coupled with each one of the locking marks of the sleeve opening, the position of the shim can be adjusted easily in a manner readily understandable to the fitter so that an optimal tailor-made track width adjustment is achieved without complex measurements.
  • Shim plate can be made by means of a formed on the eccentric sleeve, compatible with the shape of the locking mark formula element. Depending on the arrangement of the respective formula element and the shape of the
  • the latching marks may be formed, for example in the form of surrounding the sleeve opening edge region of the top of the shim. This may be useful, for example, if the Eccentric sleeve is designed as a hold-down sleeve, which carries on its peripheral surface a projection which in the assembled state on the top of the
  • the latching marks may be formed as groove-shaped recesses.
  • a particularly practical embodiment of this possibility arises when the eccentric sleeve has a circumferential projection in the manner of a collar, in which the groove-shaped as latching marks
  • Recesses are formed, and a locking projection is formed on the shim, which positively in one of the assembled eccentric sleeve in one of
  • Shim made a rail forming the starting point for the position change of the shim.
  • Stiffening structure is formed, which is formed by ribs and between them existing depressions.
  • Washer are filled with molding material.
  • the filler may be, for example, a sufficiently strong foil or plate which closes the opening of the respective recess.
  • Wells can be achieved or contribute filler in addition to the sound insulation or take on another additional function, it may also be appropriate to fill the wells completely with the filler or to give each so much filler in the wells that the filler over the respective depression limiting Ribs protrudes. Especially in the latter case is particularly sure that it is in the
  • the filler can be injected into the depressions in the flowable state or used as a prefabricated molded element.
  • plastic for the production of the shim comes, for example, glass fiber reinforced polyamide in question.
  • filler for example, unreinforced polyamide is suitable.
  • Interposition under load can also be prevented by the fact that on the underside of the washer on its underside at least one pointing away from the underside, serving as a stop projection is limited by the system in the assembled system, the way to the underlay when passing the rail by a rail vehicle due to the elasticity of the elastic intermediate layer sinks.
  • the projection in question may, in the manner of an apron, project around the shim in the direction of the respective firm base, so that a stop for the lowering movement of the shim is guaranteed on all sides independently of its respective movement.
  • Such a circumferential projection has the additional
  • trained projection also take on a formed on the support plate projection which points in the assembled state of the support plate in the direction of the shim and is limited by the system in the assembled system the way to the the shim when crossing the rail by a rail vehicle in consequence of
  • the tension of each required to hold down the rail spring element can also at a
  • Underside of the washer protruding To load screw head can also be formed on the underside of an inventively designed Unterlegplatte in the region of the mouth of the passage opening a receptacle in which sitting in the assembled state of the polygonal, in particular hexagonal screw head of the clamping screw.
  • seated clamping screw can withstand the high torques that can occur during clamping of the respective spring element, without any separate
  • each side surface of the screw head is assigned to a formed on the peripheral wall of the bearing contact surface.
  • Contact surface extends over a partial length of each associated side surface of the screw head, so that the respective side surfaces of the screw head in the assembled state at their respective assigned
  • Support surface are supported flat.
  • the abutment surfaces of the circumferential wall are arranged at a distance from one another, so that between two adjacent ones
  • Contact surfaces each have a recess in the peripheral wall of the receptacle may be formed in the region in the assembled state no contact between the
  • Screw head and the peripheral wall of the recording consists.
  • Such a design of the recording is achieved that even under torque load between the Exposure receiving portions of the recording surface contact exists through which the male forces are conducted comparable large area in the recording surrounding portions of the shim.
  • Screw head corresponds. There arises regularly due to the inevitable game with which the
  • Screw head is seated in the associated receptacle, at the edges between the side surfaces of the screw head, a narrow, linear contact area on which the entire load is concentrated.
  • Shim may have on the model of the prior art on its upper side a footprint for the rail to be fastened, which at their in
  • At least one adapter piece may be provided to a in the assembled state between the foot to be fastened Rail and the respective support shoulder to bridge existing distance.
  • Adapter piece can be on the shim
  • Shaped be provided that ensures a positive fit of ⁇ dapter Koreanes on the shim in combination with a formed on the adapter piece complementary form element.
  • a layer of an elastic molding material can be sprayed onto the support surface.
  • a further minimization of the weight of the shim can be achieved in that the shim, viewed in plan view, has a constriction in the region of the base surface.
  • the shim has a greater width measured in the longitudinal direction of the rail than in the region located below the rail foot in its sections projecting laterally beyond the rail in the assembly position. In this way, not only additional weight is saved, but the wider side sections also contribute to an optimized support of the rail against the transverse forces acting when driving over.
  • the assembly of the system according to the invention can be simplified in that at least one clip
  • Fig. 10 shows a detail of a shim with inserted therein eccentric sleeve in a perspective view.
  • the system 1 for fastening a rail S on a solid, formed here by a concrete sleeper not shown here substrate 2 comprises a made of a plastic material shim 3, to be arranged below the shim 3
  • Substrate 2 to be arranged support plate 5 four
  • Shim 3 has a bone-like, elongated shape seen in plan view. Their adjacent to each one of its narrow sides outer portions 3a, 3b in this case have a much larger, measured in the direction of the longitudinal extent L of the rail S to be fastened width B, as their average Area, wherein the change of the width B from the narrower central area to the adjacent wide lateral areas 3a, 3b has a continuous, non-jerky course.
  • Narrow sides of the shim 3 towards each by a shoulder 3d, 3e is limited.
  • each of these one of the adapter pieces 9a, 9b can be set with a complementarily shaped recess, if necessary, to bridge a distance between the set on the foot surface 3c rail foot F of the rail S and thus to ensure a safe lateral guidance of the rail S.
  • Through holes 3g, 3h is coming from the bottom U of the washer 3 each one of the trained in the manner of a conventional hexagon screw Tensioning screws 10a, 10b inserted.
  • the screw head 10c of the clamping screws 10a, 10b is seated in each case in a receptacle 3i, 3j, which is formed in the underside U of the shim 3 and is arranged in the region of the mouth of the respective through-opening 3g, 3h.
  • the receptacles 3i, 3j are each surrounded by a peripheral wall 3k, which is integral with the shim 3rd
  • each of the circumferential walls 3k are formed at the same angular distances around the center of the respective receptacle 3i, 3j distributed contact surfaces 31 whose measured in the circumferential direction of each recording 3i, 3j length La each less than half the length Ls of the lateral surfaces 10d of the
  • Screw head 10c is.
  • a recess 3m is formed in the respective peripheral wall 3k between two adjacent contact surfaces 31, which recess 3k recede in relation to the contact surfaces 31 in the circumferential wall 3k.
  • adjacent to the one respective recess 3m each limiting contact surface 31 respectively
  • each of the four sleeve openings 3o sits one of the one in combination with the material of the shim 3 well lubricated and sufficiently strong material manufactured eccentric sleeves 6a-6d.
  • Eccentric sleeves 6a-6d is in each case an axially parallel to the central axis Me extending, narrow locking projection 6f is formed, which extends in each case over the entire height He of the eccentric sleeves 6a-6d.
  • the eccentric sleeves 6a-6d are designed as hold-down sleeves, to which they at their upper, the top 0 of the shim 3 associated edge a in the manner of a collar
  • the four sleeve openings 3o are each surrounded by a peripheral wall 3p, which is formed by the plastic material of the shim 3.
  • a peripheral wall 3p which is formed by the plastic material of the shim 3.
  • the peripheral wall 3p formed at irregular angular intervals ⁇ on the type of grooves, axially parallel to the central axis Mh of the respective sleeve opening 3o extending latching marks 3q formed whose shape complementary to the shape of the eccentric sleeves 6a-6d each formed
  • Locking projection 6f is.
  • the latching marks 3q and the sleeve openings 3o are each designed so that their respective associated eccentric sleeve 6a-6d with their locking projection 6f with
  • Fig. 10 is a to the eccentric sleeves 6a-6d
  • eccentric sleeve 6d ' is like the eccentric sleeves 6a-6d formed as a hold-down sleeve, to which they at their upper, the top 0 of the shim 3 associated edge has a circumferential manner of a collar projection 6g'.
  • the projection 6g 'of the eccentric sleeve 6d' is also located on the upper side 0 of the shim 3. The locking of the
  • Projection 6g ' are formed.
  • the latching marks 6h are arranged at the same irregular angular intervals ⁇ as the latching marks 3p.
  • the eccentric sleeve 6d 'does not have to be lifted completely out of its associated sleeve opening 3o to make an adjustment by rotation about its longitudinal axis. Instead, it is sufficient for the rotational adjustment of the eccentric sleeve 6d ', the sleeve 6d 'raise so far that the locking projection 3v and the respective locking mark 6h disengage. Also, the peripheral surfaces of the seated in practical use in the Hülsenöff 3o section of the
  • Eccentricity of the rotation axis thus created with respect to the central axis Mh of the respective Hülsenöff 3o are the angular distances ⁇ between the locking marks 3q so dimensioned that when finished mounted shim 3 with each rotational adjustment between two locking marks a transversely to the longitudinal extent of the rail S aligned
  • Displacement of the shim 3 is accompanied by a magnitude always the same distance. So can the
  • angular distances ⁇ be designed so that each rotational adjustment of the eccentric sleeves 6a-6d the
  • Shim plate 3 shifts by one millimeter for track adjustment.
  • a skirt-like protrusion 3r facing away from the underside U is integrally formed on the shim 3.
  • the projection 3r serves as a stop for those in the direction of the firm
  • Shim 3 executes when the standing on her rail S is driven by a rail vehicle, not shown here.
  • Sleeve openings 3o with its peripheral wall 3q and also not taken up by the receptacles 3i, 3j is an edging structure 3s in the shim 3
  • the recesses 3u are filled with a lightweight but dimensionally stable molding material T.
  • the molded fabric T terminates substantially flush with the free top surface of the ribs 3t, or projects beyond the top of the ribs with a projection of typically at least 2 mm, so that no sharp edges of the ribs 3t emerge any longer.
  • prefabricated plate made of elastic material to be placed on the support surface 3c and with it
  • the elastic intermediate layer 4 has a shape in plan view, that of the stiffening structure. 3 occupied area corresponds. Accordingly, the stiffening structure 3 completely covers the intermediate layer 4 in the fully assembled state of the system 1. The in the recesses 3u of the stiffening structure 3s
  • Support plate 5 serves as protection of the elastic
  • the projection 5a additionally serves as a stop by which the directed in the direction of the solid surface 2 movements of the shim 3 are limited and excessive compression of the elastic intermediate layer 4 is prevented.
  • the elastic intermediate layer 4 is also protected against excessive compression during assembly that the height He designed as hold-down sleeves and standing in the finished state on the support plate 5 Eccentric sleeves 6a-6d is selected so that the shim 3 even when tightened
  • Fixing screws 7a-7d is pressed against the elastic intermediate layer 4 only with a defined force. If the force in question is to be very small, then a height He of the eccentric sleeve is selected which corresponds to the thickness of the shim 3 in the region of the sleeve openings 3o plus the thickness of the elastic layer in the relaxed state of installation minus the thickness of the projection 6g.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Mounting Components In General For Electric Apparatus (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

L'invention concerne un système de fixation d'un rail et la fixation d'un rail qui, pour un montage simple, permettent une grande liberté lors de la fabrication des éléments de construction nécessaires tout en présentant une valeur d'usage élevée. Le système selon l'invention destiné à fixer un rail (S) sur un fond solide (2) comporte les éléments suivants: une plaque support (3) en plastique, une semelle de rail (4) placée entre la plaque support (3) et le fond solide (2), une dalle (5) placée entre la semelle de rail (4) et le fond solide (2), un élément élastique (8a,8b) destiné à retenir le rail (S) à fixer, une vis de serrage (10a,10b) pour serrer l'élément élastique (8a,8b) contre la plaque support (3), et un élément de fixation (7a-7d) pour fixer la plaque support (3) sur le fond solide (2).
PCT/EP2010/063526 2009-09-18 2010-09-15 Système de fixation d'un rail sur un fond solide et fixation d'un rail Ceased WO2011032969A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041848A DE102009041848A1 (de) 2009-09-18 2009-09-18 System zum Befestigen einer Schiene auf einem festen Untergrund und Befestigung einer Schiene
DE102009041848.2 2009-09-18

Publications (1)

Publication Number Publication Date
WO2011032969A1 true WO2011032969A1 (fr) 2011-03-24

Family

ID=41694202

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/063526 Ceased WO2011032969A1 (fr) 2009-09-18 2010-09-15 Système de fixation d'un rail sur un fond solide et fixation d'un rail

Country Status (6)

Country Link
US (2) US20110068185A1 (fr)
AR (1) AR079595A1 (fr)
DE (2) DE202009014462U1 (fr)
TW (1) TW201114978A (fr)
UY (1) UY32890A (fr)
WO (1) WO2011032969A1 (fr)

Cited By (4)

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WO2014124935A1 (fr) * 2013-02-12 2014-08-21 Hf Holding Sa Ensemble fixation de rail réglable
WO2015176976A1 (fr) * 2014-05-19 2015-11-26 Vossloh-Werke Gmbh Système et procédé de montage d'un élément de fixation pour la fixation d'un rail d'un véhicule ferroviaire, et point de fixation de rail produit au moyen d'un élément de fixation de ce type
WO2019137905A1 (fr) * 2018-01-11 2019-07-18 Schwihag Ag Gleis- Und Weichentechnik Système de fixation de rail
US11634872B2 (en) 2018-10-01 2023-04-25 Pandrol Limited Transparent railroad railseat assembly

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DE102009041833B4 (de) * 2009-09-18 2011-06-22 Vossloh-Werke GmbH, 58791 Unterlegplatte für die Befestigung einer Schiene auf einem festen Untergrund und Befestigung einer Schiene
DE202009014462U1 (de) * 2009-09-18 2010-02-18 Vossloh-Werke Gmbh System zum Befestigen einer Schiene auf einem festen Untergrund und Befestigung einer Schiene
PL2369057T3 (pl) * 2010-03-12 2015-04-30 Vossloh Werke Gmbh System do mocowania szyny na podłożu oraz podkładka dla takiego systemu
DE102012100440A1 (de) * 2012-01-19 2013-07-25 Vossloh-Werke Gmbh Plattenelement zum Führen einer Schiene und Verfahren zu seiner Herstellung
DE202013012093U1 (de) * 2012-01-26 2015-03-11 Vossloh-Werke Gmbh Aus Kunststoff hergestellte Bauelemente für Systeme zum Befestigen von Schienen für Schienenfahrzeuge
DE102012014500A1 (de) * 2012-07-23 2014-01-23 Schwihag Ag Schienenbefestigungssystem für Übergangsbereiche
US9103074B1 (en) * 2012-12-21 2015-08-11 Koppers Delaware, Inc. Modular insulated tie plate
DE102013219409B4 (de) 2013-09-26 2018-07-26 Adient Luxembourg Holding S.À R.L. Verriegelungseinheit für einen fahrzeugsitz und fahrzeugsitz
DE102014116142A1 (de) 2014-11-05 2016-05-12 Vossloh-Werke Gmbh Befestigungspunkt, in dem eine Schiene als Teil eines Gleises für Schienenfahrzeuge auf einem Untergrund befestigt ist
PT3227494T (pt) * 2014-12-02 2018-10-30 Vossloh Werke Gmbh Placa de suporte ligeira para a fixação de um carril ferroviário
USD828397S1 (en) * 2016-07-12 2018-09-11 L.B. Foster Company Direct fixation fastener
USD897896S1 (en) * 2019-02-28 2020-10-06 L. B. Foster Company Direct fixation fastener
RU2767112C1 (ru) * 2021-11-09 2022-03-16 Акционерное общество "РС-Комплект" Рельсовое скрепление

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DE894020C (de) * 1950-12-14 1953-10-22 Fritz Dipl-Ing Schmidt Einstellbare Lagerung, insbesondere fuer Eisenbahnschienen
DE2456305B1 (de) * 1974-11-28 1976-02-19 Vossloh Werke Gmbh Hoehenverstellbare schienenbefestigung
US4047663A (en) * 1975-11-21 1977-09-13 Clarke Reynolds Rail plate having spring clips and lateral positioning means
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014124935A1 (fr) * 2013-02-12 2014-08-21 Hf Holding Sa Ensemble fixation de rail réglable
CN105143554A (zh) * 2013-02-12 2015-12-09 Hf控股有限公司 可调整的轨道紧固组合件
US9657445B2 (en) 2013-02-12 2017-05-23 Hf Holding Sa Adjustable rail fastening assembly
CN105143554B (zh) * 2013-02-12 2017-07-14 Hf 控股有限公司 可调整的轨道紧固组合件
WO2015176976A1 (fr) * 2014-05-19 2015-11-26 Vossloh-Werke Gmbh Système et procédé de montage d'un élément de fixation pour la fixation d'un rail d'un véhicule ferroviaire, et point de fixation de rail produit au moyen d'un élément de fixation de ce type
WO2019137905A1 (fr) * 2018-01-11 2019-07-18 Schwihag Ag Gleis- Und Weichentechnik Système de fixation de rail
JP2021510782A (ja) * 2018-01-11 2021-04-30 シュヴィハーク・アクチエンゲゼルシャフトＳｃｈｗｉｈａｇ Ａｇ レール固定システム
AU2019207376B2 (en) * 2018-01-11 2021-12-02 Schwihag Ag Rail fastening system
JP7009638B2 (ja) 2018-01-11 2022-01-25 シュヴィハーク・アクチエンゲゼルシャフト レール固定システム
US11913177B2 (en) 2018-01-11 2024-02-27 Shiwihag Ag Rail fastening system
US11634872B2 (en) 2018-10-01 2023-04-25 Pandrol Limited Transparent railroad railseat assembly

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US20120031991A1 (en) 2012-02-09
DE202009014462U1 (de) 2010-02-18
DE102009041848A1 (de) 2011-03-24
TW201114978A (en) 2011-05-01
UY32890A (es) 2011-04-29
AR079595A1 (es) 2012-02-08
US20110068185A1 (en) 2011-03-24

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