EP3183389B1 - Assemblies comprising a railway rail side post insulator and railway rail clip anchoring device for use therewith - Google Patents

Assemblies comprising a railway rail side post insulator and railway rail clip anchoring device for use therewith Download PDF

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Publication number
EP3183389B1
EP3183389B1 EP15744310.2A EP15744310A EP3183389B1 EP 3183389 B1 EP3183389 B1 EP 3183389B1 EP 15744310 A EP15744310 A EP 15744310A EP 3183389 B1 EP3183389 B1 EP 3183389B1
Authority
EP
European Patent Office
Prior art keywords
post insulator
side post
face
railway rail
load bearing
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.)
Not-in-force
Application number
EP15744310.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3183389A1 (en
Inventor
Stephen John Cox
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.)
Pandrol Ltd
Original Assignee
Pandrol Ltd
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 Pandrol Ltd filed Critical Pandrol Ltd
Publication of EP3183389A1 publication Critical patent/EP3183389A1/en
Application granted granted Critical
Publication of EP3183389B1 publication Critical patent/EP3183389B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • 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
    • 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
    • E01B9/66—Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups
    • 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
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • 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
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members 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
    • E01B9/62—Rail fastenings incorporating resilient supports

Definitions

  • the present invention relates to assemblies comprising a railway rail side post insulator and a railway rail clip anchoring device for use therewith.
  • Rail fastening assemblies which employ resilient rail fastening clips to secure the rail comprise, in addition to rail fastening clips bearing down on each side of a foot of a railway rail, some sort of railway rail clip anchoring device for retaining each rail fastening clip.
  • Some rail fastening clips are driven onto the rail in a direction parallel to the longitudinal axis of the rail, and some are driven laterally onto the rail.
  • Some laterally-driven clips can be held within the anchoring device in a position in which they do not bear on the rail, for example so as to allow the rail fastening assembly to be preassembled on the sleeper before delivery to site or to allow side post electrical insulators, carried by the anchoring device, to be replaced when worn.
  • Such clips and anchoring devices are disclosed, for example, in EP0619852 and EP0619851 , and EP1987199 and EP1987198 .
  • the railway rail fastening assemblies of EP0619852 , EP0619851 , EP1987199 and EP1987198 each comprise a railway rail side post insulator and a railway rail clip anchoring device for retaining a resilient railway rail fastening clip and supporting the side post insulator.
  • the anchoring device has upright load bearing faces, comprising two front wall faces configured for location adjacent to an upright side face of the rail foot, the front wall faces being spaced apart so as to define a gap for receiving a central part of the rail fastening clip.
  • the side post insulator is configured to provide an electrically-insulating load bearing face between the rail foot and the front wall faces of the anchoring device.
  • the electrically-insulating load bearing face is provided by an outer face of a wall of the side post insulator.
  • the side post insulator further comprises a member, joined to an inner face of the wall, which has a top surface which extends in a substantially perpendicular direction with respect to the load bearing face.
  • a bottom surface of the member contacts the anchoring device in the gap between the front wall faces.
  • lateral adjustability can be provided by changing out side post insulators of different depths.
  • a standard system that provides no lateral adjustability would use, say, 8 mm side posts on both sides of the rail.
  • the spacing between the anchoring devices on either side of the rail seat is increased such that 13 mm side posts are used on each side.
  • shims of different thickness For example, to provide +10 mm height adjustment in 1 mm steps, 1, 2, 3 and 5 mm thick shims that could be added together to produce any combination up to 10 mm are employed. Each shim is made from a hard material such as steel or HDPE and is roughly the size and shape of a rail pad.
  • a side post insulator In a rail fastening assembly as mentioned above, in which a side post insulator is located by the anchoring device in the space between the side of the rail foot and the front wall of the anchoring device, the side post insulator leads straight across on the level from the anchoring device to the rail foot edge, so vertical adjustment of the rail fastening assembly itself is more complicated. To allow for vertical adjustment in such an assembly, it would be necessary to provide a range of rail fastening clips with different toe heights, coupled with a range of different side post insulators that lead up or down from the fixed-height anchoring device to the edge of the rail when this varies in height. So for each rail height, a different additional clip and a different additional side post insulator would be required. In practice, the height adjustment available by this method would be limited to say, +10 mm of vertical adjustment.
  • an assembly comprising a first railway rail side post insulator and a railway rail clip anchoring device, for retaining a resilient railway rail fastening clip, which device is configured to support the first railway rail side post insulator
  • the first railway rail side post insulator is configured to provide an electrically-insulating load bearing face between an upright side face of a foot of a railway rail and upright load bearing faces of a railway rail clip anchoring device located adjacent to the rail foot, the electrically-insulating load bearing face being provided by an outer face of a wall of the insulator
  • the insulator further comprising a member, joined to an inner face of the wall, which member has a top surface which extends in a substantially perpendicular direction with respect to the load bearing face to a depth from the inner face of the wall which is greater than or substantially equal to a depth of the wall in the said direction
  • the railway rail clip anchoring device has upright load bearing faces, comprising front wall faces configured for location adjacent to
  • an assembly embodying the present invention which is simple and uses few components, would be provided as a "default” assembly which would be used most of the time.
  • the intention would be for the first side post insulator of the assembly (the "default" side post insulator) to be installed at the outset so as to provide an 'as-built' adjustment position of +5 mm vertical and +0 mm lateral adjustment.
  • a central section of the front wall of the anchoring device is offset. This, together with a modification to the corresponding centre section of the first side post insulator to make it much thicker, allows the maximum ramp angle that the clip has to be driven up or down to be much reduced. For example, moving the central bearing face of the anchoring device backwards by 26 mm, changes the maximum ramp angle from 5/8 to 5/34.
  • the offset distance is between a quarter and a half of the depth of the anchoring device, for example between a quarter and a third of the depth of the anchoring device.
  • the depth of the top surface of the member from the wall is desirably substantially twice the depth of the wall.
  • the height of the member, from its top surface to a bottom surface of the member is substantially the same as the height of the wall.
  • an assembly embodying the present invention preferably further comprises a kit of parts comprising a first plurality of first side post insulator portions and a second plurality of second side post insulator portions, wherein: any one of the first side post insulator portions is interlockable with any one of the second side post insulator portions so as to form a second railway rail side post insulator, for providing electrical insulation between the side face of the foot of the railway rail and the load bearing faces of the railway rail clip anchoring device adjacent to the rail foot, in place of the first railway rail side post insulator; the first side post insulator portions of the first plurality each have an outer load bearing side face and differ from one another in maximum depth, as measured in a direction substantially perpendicular to a plane in which the outer load bearing side face of the first side post insulator portion extends; and the second side post insulator portions of the second plurality each have an outer load
  • first side post insulator portions in the first plurality need not be, and preferably is not, the same as the number of second side post insulator portions in the second plurality. In a preferred embodiment, there are eleven first side post insulator portions in the first plurality and only three second side post insulator portions in the second plurality.
  • colour coding may be used to ensure that the correct combinations of clip and vertical adjustment element are used together, and colour coding may also be used to ensure that the correct combinations of lateral adjustment parts are used. In this way, immediate visual feedback may also be provided as to where the track has been adjusted and by how much when the track is inspected.
  • the first side post insulator portion may be shaped so as to provide: an upper inner load bearing side face and a lower inner load bearing side face for positioning against respective upright load bearing faces of the railway rail clip anchoring device; a bottom face for positioning on a shelf portion of the anchoring device; the outer load bearing side face for positioning adjacent to the upright side face of the rail foot; and a top surface portion shaped for mating engagement with the second side post insulator portion.
  • the second side post insulator portion may be shaped so as to provide: the outer load bearing side face for positioning adjacent to the upright side face of the rail foot; and a bottom surface shaped for mating engagement with the first side post insulator portion.
  • first and second side post insulator portions may be provided with one or more protrusions and the other of the first and second side post insulator portions may be provided with one or more corresponding apertures for engaging the respective protrusions.
  • a side of an aperture may be provided with an internal ledge or similar structure, in which case a protrusion may be provided with a barb (e.g. at its end) such that when the barb on the protrusion is pushed past the ledge, the barb engages the ledge to prevent withdrawal of the protrusion from the aperture.
  • the second side post insulator portion may have a top surface which is shaped such that it is inclined upwardly or downwardly from the outer load bearing side face of the second side post insulator portion.
  • the upper surface of the railway rail side post insulator so formed is shaped as an upwardly-inclined or downwardly-inclined ramp.
  • a side post insulator which is used as the "default" side post insulator in the so-called “standard” assembly which embodies the present invention is preferably a one-part insulator, but could be for example a two-part insulator as described above.
  • the anchoring device of the assembly is configured to retain a resilient railway rail fastening clip of a type which is driven laterally onto a railway rail, such as (but not limited to) a clip disclosed in EP0619852 or EP1987199 .
  • Each of the first, second and third railway rail fastening assemblies shown in Figures 1A to 1E comprises a pair of railway rail clip anchoring devices 3 for retaining respective resilient rail fastening clips 6 (or 6' or 6") of a type which are driven laterally onto a foot 21 of a railway rail 2.
  • the rail 2 is supported on a rail foundation (in this case a concrete sleeper) 7 via a rail pad 8 and, in some cases (except Figure 1C ), at least one shim 9.
  • the illustrated assemblies are designed to allow for vertical adjustment of the track height and lateral adjustment of the track gauge.
  • the anchoring device is 5 mm taller than a "standard” version, and a 5 mm shim is supplied as part of the default assembly, but further shims of different heights and different variants of the side post insulators 1', 1 and the rail clips 6, 6', 6" are employed to allow a +/- 5 mm vertical adjustment from this.
  • a default assembly will employ a "standard" clip 6 and an 'on the level' first (default) side post insulator 1', and the same clip 6 and first side post insulator 1' would be used for adjustments of +1 mm and -1 mm relative to this.
  • a first modified clip 6' with a +3.5 mm relative toe height and a second side post insulator 1 of a type with a ramp up are provided to cover +2 mm to +5 mm adjustment (see the assembly of Figure 1E , which has components providing a +5mm height adjustment and a -10mm gauge adjustment compared with that of Figure 1A ), and a second modified clip 6" with a -3.5 mm relative toe height and another second side post insulator 1 of a type with a ramp down are provided for -2 mm to -5 mm adjustment (see the assembly of Figure 1D which has components providing a -5mm height adjustment and a +10mm gauge adjustment compared with that of Figure 1A ).
  • FIG. 2 shows the anchoring device 3 in more detail.
  • the anchoring device 3 has upright load bearing faces 301, 302, 303, 304, comprising front wall faces 301, 303, 304 configured for location adjacent to the rail foot 21, and an upper central face 302 which is offset from the front wall faces 301, 303, 304 by an offset distance D.
  • D is approximately 30% of the depth D 0 of the anchoring device 3 in a direction substantially perpendicular to the front wall faces 301, 303, 304, but could be anything between a tenth and a half of the depth D o of the anchoring device 3.
  • the anchoring device 3 has an upwardly-facing surface 31 which extends from the upper central face 302 to provide a shelf portion 31 of depth D for receiving a part, member 110' or bottom surface 43, of a railway rail side post insulator 1' or 1.
  • the electrically-insulating load bearing face 10' of the one-part first railway rail side post insulator 1' is provided by an outer face of a wall 100' of the insulator 1'.
  • the insulator 1' further comprises a member 110', joined to an inner face 12' of the wall 100', which has a top surface 11' which extends in a substantially perpendicular direction with respect to the load bearing face 10' to a depth d 0 from the inner face of the wall 100' which is greater than or substantially equal to the depth d w of the wall 100' in the said direction.
  • the depth d 0 of the top surface from the inner face 12' of the wall 100' is approximately twice the depth d w of the wall 100', but the value of depth d 0 is dependent upon depth D of the anchoring device shelf 31.
  • D is 26mm
  • d 0 + d w is 39mm
  • d w is 13mm
  • d 0 is 26mm
  • d 0 could vary, for example in the range 10mm to 63mm.
  • the member 110' has a thickness h which is substantially the same as the thickness h w of the wall 100'.
  • a bottom face 15' of the member 110' and the base of the wall 100' are provided with rebates 105', so as to lower the overall weight and material of the first side post insulator 1'.
  • a type of two-part second railway rail side post insulator 1 is employed, as shown in Figures 1D and 1E .
  • the electrically-insulating load bearing face 10 of the second side post insulator 1 is provided by respective outer load bearing side faces 40, 50 of first and second separately-formed, interlockable side post insulator portions 4, 5.
  • first side post insulator portions 4 and a second plurality of second side post insulator portions 5 would be available, where any one of the first side post insulator portions 4 is interlockable with any one of the second side post insulator portions 5 so as to form the second railway rail side post insulator 1, the first side post insulator portions 4 differing from one another in maximum depth d 1 , d 2 , as measured in a direction substantially perpendicular to a plane in which the outer load bearing side face 40 extends, and the second side post insulator portions 5 differing from one another in thickness t 0 , t 1 , t 2 , as measured at the outer load bearing side face 50.
  • eleven first side post insulator portions 4 and three second side post insulator portions 5 would be provided, together with the "default" one-part first side post insulator 1'.
  • Only two are illustrated here, as discussed above a number of further first side post insulator portions of intermediate sizes would also be provided.
  • first side post insulator portion 4 (4 1 , 4 2 ) is shaped so as to provide: an upper inner load bearing side face 41 and a lower inner load bearing side face 42 for positioning against respective upright load bearing faces 302, 304 of the railway rail clip anchoring device 3; a bottom face 43 for positioning on the shelf portion 31 of the anchoring device 3; the outer load bearing side face 40; back wall 45; top surface portions 44A, 44B shaped for mating engagement with the second side post insulator portion 5; and left and right side portions 47.
  • the underside of the first side post insulator portion is also provided with rebates 46 to save material and hence weight.
  • a first one 5 1 of such second side post insulator portions 5 is shown in Figure 1D and, in more detail, in Figures 5A , 5D and 5G .
  • a second one 5 2 of such second side post insulator portions 5 is shown in Figures 5B , 5E and 5H .
  • a third one 5 3 of such second side post insulator portions 5 is shown in Figure 1E and, in more detail, in Figures 5C , 5F and 5I .
  • the second side post insulator portion 5 is shaped so as to provide the outer load bearing side face 50 for positioning adjacent to the upright side face 21A of the rail foot 21, and a bottom surface 51, shaped for mating engagement with the first side post insulator portion 4, which has weight-saving rebates 53.
  • Second side post insulator portion 5 1 has a thickness t 1 at outer load bearing face 50, which is the smallest thickness of the three, and provides a downward ramp.
  • Second side post insulator portion 5 2 has a thickness t 2 at outer load bearing face 50, which is the middle thickness of the three, and provides a flat upper surface.
  • Second side post insulator portion 5 3 has a thickness t 3 at outer load bearing face 50, which is the largest thickness of the three, and provides a upward ramp.
  • each second side post insulator portion 5 is provided with three protrusions 521, 522, 523
  • the top surface 44 of each first side post insulator portion 4 is provided with three corresponding apertures 441, 442, 443 for engaging the respective protrusions 521, 522, 523.
  • Respective inner walls of outermost apertures 441 and 443 are provided with internal ledges 441A, 443A
  • each corresponding protrusion 521 and 523 is provided with a barb 521A, 523A at its end, such that when the barb on the protrusion is pushed past the ledge, the barb engages the ledge to prevent withdrawal of the protrusion from the aperture.
  • an edge of the innermost aperture 442 is shaped with a recess 442A for receiving a corresponding portion 522A extending from the innermost protrusion 522.
  • the second side post insulator portions 5 1 and 5 3 have respective top surfaces 52 which are shaped so as to be inclined upwardly or downwardly from the outer load bearing side face 50 of the second side post insulator portion 5.
  • the upper surface of the second railway rail side post insulator 1 so formed is shaped as an upwardly-inclined or downwardly-inclined ramp.
  • Table 1 Lateral Gauge Adjustment (mm) per rail seat Field Side Insulator Thickness (mm) Gauge Side Insulator Thickness (mm) +5 8 18 +4 9 17 +3 10 16 +2 11 15 +1 12 14 0 13 13 -1 14 12 -2 15 11 -3 16 10 -4 17 9 -5 18 8
  • Table 2 Vertical Height Adjustment (mm) per rail seat Shim stack thickness +5 10 (5+5) +4 9 (5+4) +3 8 (5+3) +2 7 (5+2) +1 6 (5+1) 0 5 -1 4 -2 3 -3 2 -4 1 -5 -

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Insulators (AREA)
  • Connection Of Plates (AREA)
  • Railway Tracks (AREA)
EP15744310.2A 2014-08-18 2015-07-24 Assemblies comprising a railway rail side post insulator and railway rail clip anchoring device for use therewith Not-in-force EP3183389B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1414595.7A GB201414595D0 (en) 2014-08-18 2014-08-18 Railway Rail Side post Insulators and Railway Rail Clip Anchoring Device For use Therewith
PCT/GB2015/052146 WO2016027059A1 (en) 2014-08-18 2015-07-24 Assemblies comprising a railway rail side post insulator and railway rail clip anchoring device for use therewith

Publications (2)

Publication Number Publication Date
EP3183389A1 EP3183389A1 (en) 2017-06-28
EP3183389B1 true EP3183389B1 (en) 2019-03-20

Family

ID=51662553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15744310.2A Not-in-force EP3183389B1 (en) 2014-08-18 2015-07-24 Assemblies comprising a railway rail side post insulator and railway rail clip anchoring device for use therewith

Country Status (8)

Country Link
EP (1) EP3183389B1 (ja)
CN (1) CN106574448B (ja)
AU (1) AU2015305007B2 (ja)
BR (1) BR112017003132A2 (ja)
DK (1) DK3183389T3 (ja)
GB (1) GB201414595D0 (ja)
RU (1) RU2691466C2 (ja)
WO (1) WO2016027059A1 (ja)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
RU205994U1 (ru) * 2021-04-05 2021-08-13 Владимир Николаевич Шимко Анкер рельсового скрепления

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Publication number Priority date Publication date Assignee Title
RU188917U1 (ru) * 2019-03-05 2019-04-29 Акционерное общество "РС-Комплект" Анкер рельсового скрепления
CN110672442B (zh) * 2019-10-22 2020-08-11 成都西交轨道交通技术服务有限公司 一种弹条疲劳试验装置及监测系统
RU204309U1 (ru) * 2020-01-27 2021-05-19 Владимир Николаевич Шимко Анкер рельсового скрепления
RU205555U1 (ru) * 2021-04-05 2021-07-20 Владимир Николаевич Шимко Анкер рельсового скрепления

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CA1230586A (en) * 1982-05-05 1987-12-22 William F. Langman Rail insulating pad assembly
IN185922B (ja) * 1991-12-18 2001-05-19 Pandrol Ltd
GB2295178B (en) * 1994-11-16 1998-04-29 Pandrol Ltd Railway rail fastening assemblies including resilient railway rail fastening clips and associated insulators
GB2351515B (en) * 1999-06-29 2002-09-11 Pandrol Ltd Adjustable railway rail fastening assembly and methods for use therewith
CA2303051A1 (en) * 2000-03-29 2001-09-29 Jude Igwemezie Rail insulator
US6343748B1 (en) * 2000-08-31 2002-02-05 Ksa Limited Partnership Concrete railroad tie insulator spacer and fastening system
GB2435285A (en) * 2006-02-21 2007-08-22 Pandrol Ltd Fastening railway rails
KR101516940B1 (ko) * 2007-07-04 2015-05-04 팬드롤 리미티드 철로 레일 체결 조립체에 사용하기 위한 기기 및 상기 기기를 포함하는 레일 체결 조립체, 그리고 밀봉 플레이트 및 상기 밀봉 플레이트와 침목의 결합물
CN201428095Y (zh) * 2009-04-02 2010-03-24 许绪华 一种铁路轨道紧固装置
CN203065902U (zh) * 2012-12-12 2013-07-17 洛阳双瑞橡塑科技有限公司 一种易拆卸分离式双层减振扣件系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU205994U1 (ru) * 2021-04-05 2021-08-13 Владимир Николаевич Шимко Анкер рельсового скрепления

Also Published As

Publication number Publication date
BR112017003132A2 (pt) 2017-11-28
WO2016027059A1 (en) 2016-02-25
EP3183389A1 (en) 2017-06-28
RU2017108803A (ru) 2018-09-25
DK3183389T3 (da) 2019-06-03
GB201414595D0 (en) 2014-10-01
RU2691466C2 (ru) 2019-06-14
AU2015305007B2 (en) 2019-08-29
CN106574448A (zh) 2017-04-19
CN106574448B (zh) 2018-06-29
AU2015305007A1 (en) 2017-02-02
RU2017108803A3 (ja) 2019-01-18

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