EP0017520A1 - Vorrichtung zum Ausrichten und Halten von zwei zu verschweissenden Schienenenden - Google Patents

Vorrichtung zum Ausrichten und Halten von zwei zu verschweissenden Schienenenden Download PDF

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Publication number
EP0017520A1
EP0017520A1 EP80400303A EP80400303A EP0017520A1 EP 0017520 A1 EP0017520 A1 EP 0017520A1 EP 80400303 A EP80400303 A EP 80400303A EP 80400303 A EP80400303 A EP 80400303A EP 0017520 A1 EP0017520 A1 EP 0017520A1
Authority
EP
European Patent Office
Prior art keywords
rails
rail
welding
alignment
trolley
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
EP80400303A
Other languages
English (en)
French (fr)
Other versions
EP0017520B1 (de
Inventor
Patrick Bommart
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.)
C Delachaux SA
Original Assignee
C Delachaux 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 C Delachaux SA filed Critical C Delachaux SA
Priority to AT80400303T priority Critical patent/ATE2690T1/de
Publication of EP0017520A1 publication Critical patent/EP0017520A1/de
Application granted granted Critical
Publication of EP0017520B1 publication Critical patent/EP0017520B1/de
Expired legal-status Critical Current

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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
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
    • E01B29/20—Moving rails placed on installed sleepers in the plane track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/42—Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components
    • E01B29/46—Devices for holding, positioning, or urging together the rail ends
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53978—Means to assemble or disassemble including means to relatively position plural work parts

Definitions

  • the present invention relates to a device for adjusting two end pieces of rails to be connected by welding.
  • the rails In the operations of connecting two ends of rails, in particular railway rails, the rails must be adjusted before they are connected by welding.
  • This adjustment consists of adjusting the intermediate distance between the two ends of the rails to be connected, aligning the internal vertical sides of the mushrooms of the rails to be connected and slightly lifting the ends up.
  • the present invention aims to achieve a much simpler construction device than the machines currently existing in order to obtain a semi-manual adjustment of the rails to be connected by welding.
  • the invention relates to a device which makes it possible to adjust the alignment of the interior vertical sides of the rail mushrooms, the operation of adjusting the intermediate distance being carried out beforehand, and the operation of lifting the ends being carried out subsequently. either manually by means of a set of suitable shims, or by means of cylinders with screw or hydraulic.
  • the device of the invention comprises a rigid structure which is formed by two support plates aligned and connected to each other by a curved part and which is capable of being arranged horizontally so that the two support plates are applied one on a vertical side of the head of one of the rails and the other on the corresponding vertical side of the head of the other rail, the curved part providing an access area around the ends, each plate d 'support being provided with a holding press provided with a jaw capable of coming to bear on the opposite vertical side of the rail head.
  • the two support plates are each provided with two spaced supports so as to form four spaced supports constituting a reference line for the alignment of the rails and each holding press is located substantially at equal distance between the two supports of the corresponding support plate.
  • the distance between the two holding presses then allows a ruler to be placed on top of the rail mushrooms to check that the ends are properly lifted.
  • the access zone formed around the butt ends by the curved part of the device makes it possible to apply a rule on the internal vertical side of the mushrooms of the two rails to verify the correct vertical alignment of these sides.
  • each support plate is provided with an anchoring block capable of receiving a press for adjusting the alignment of the rail pads.
  • This press is provided with a jaw capable of bearing on the end of the rail pad, the slope of which should be modified so that the two rail pads are aligned.
  • the structure of the device of the invention is advantageously provided with a crucible holder capable of receiving an aluminothermic crucible for welding the rails.
  • the adjustment device of the invention can be used for spot welding or for welding in a fixed position.
  • the adjusting device will advantageously be transported to the place of welding by means of an appropriate carriage, while in the second case the adjusting device will be secured to a fixed installation.
  • the mobile carriage used for transporting the adjustment device may for example be constituted by a two-wheeled cart of the devil type comprising two supports capable of detachably receiving the adjustment device arranged horizontally.
  • Such a carriage is particularly suitable for transporting the adjusting device in order to carry out welds on roadways, for example welds on tram rails.
  • the trolley can also be constituted by a self-propelled trolley of the lorry type which can be moved on a railway track and comprising at least one adjustment device carried by an articulated arm.
  • This cart will be equipped with a drive motor and an appropriate power source and will may also advantageously constitute a means of transport for the welding material, that is to say the consumable materials for carrying out the welds, tools powered or not by the power source and servart for example for cutting rails, deburring welds, grinding welds, etc.
  • this carriage will advantageously be derailable, that is to say provided with means for moving it laterally out of the railway track to allow, if necessary, the passage of a train on the track between two welding operations. .
  • the adjustment device of the invention When the adjustment device of the invention is used on a fixed installation, it is pivotally mounted about a horizontal axis of the frame of the installation, parallel to the direction of alignment of the support plates, it that is to say parallel to the direction of alignment of the rails.
  • the rails are brought in and removed by means of rollers and an appropriate traction device.
  • the anchoring blocks intended to receive the tilt adjustment press and the crucible holder are advantageously provided on the frame of the installation instead of being provided on the structure of the device as indicated previously in the case of devices carried on a trolley.
  • This fixed installation will advantageously include a deburring machine capable of eliminating the weld bead formed and actuated by at least one cylinder to displacement travel parallel to the direction of the rails.
  • the device 10 consists of a rigid structure formed from a sheet of very thick steel, for example 15 mm thick. This structure assumes the shape of a curved portion 16 in the shape of a U ending in two support plates 18 and 20 provided with two respective edges 22 and 24.
  • the support plate 18 is provided with two supports 26 and 28 integral edge 22 and intended to be applied on the vertical side 30 of the head of the rail 12.
  • the support plate 20 is provided with two supports 32 and 34 integral with edge 24 and intended to be applied on the side vertical 36 of the head of the rail 14.
  • the supports 26, 28, 32 and 34 are aligned so as to constitute a reference line for the alignment of the sides 30 and 36 of the mushrooms of the rails 12 and 14.
  • the supports 28 and 32 are arranged in the immediate vicinity of the curved part 16 which defines an access area around the two ends 38 and 40 to be adjusted and welded.
  • the distance between the supports 28 and 32 is determined so as to be able to place a rule, for example 0.50 m in length, to check the correct alignment of the vertical sides 30 and 36 of the rails 12 and 14.
  • the device 10 can be reinforced at its lower part by a folded sheet 45.
  • the adjusting device 10 is further provided with two holding presses 42 and 44 located substantially at equal distance between the supports 26 and 28 respectively on the one hand and the supports 32 and 34 on the other hand.
  • the distance between the two presses 42 and 44 makes it possible to place a ruler, for example 1 m in length, on the top of the rails 12 and 14 mushrooms, to check that the ends are properly lifted.
  • These two presses 42 and 44 are identical and the press 44 will be described below with reference to FIGS. 1 and 3.
  • the press 44 is provided with a fixed jaw 46 fixed on the edge 24 of the support plate 20 so as to be aligned with the supports 32 and 34.
  • the press 44 is moreover provided with 'A support 48 of U-shaped section, one end 50 of which is integral with the support plate 20 and the other end 52 of which is integral with a block 54 internally threaded.
  • This block 54 is used for the passage of a threaded rod 56, one end of which is provided with a jaw 58 mounted for free rotation and constituting the movable jaw of the press 44 and the other end of which is provided with a control handle 60 .
  • the support 48 is also provided on its lower face, in the portion between its ends 50 and 52, with a support 62 intended to come to cooperate with the top of the head of the rail 14,
  • the press 44 can be adapted both to a rail 14 of small dimensions and to a rail 14 'of larger dimensions.
  • the device 10 is further provided with two handles 64 and 66 intended to facilitate its transport and with two retractable and adjustable feet 68 and 70 intended to keep the device horizontal.
  • the holding presses 42 and 44 make it possible to adjust the alignment of the vertical sides of the mushrooms of the rails 12 and 14.
  • the device 10 is provided with two anchor blocks 72 and 74 provided near mite of the supports 28 and 32. These blocks can detachably receive an adjustment press 76 which will be explained more particularly with reference to FIG. 4.
  • the press 76 is shown anchored on the block 72 , but this can also be anchored on the block 74 as a function of the relative arrangement of the pads of the rails 12 and 14.
  • the press 76 comprises an arm 78 capable of being anchored on the block 72 or on the block 74 with the possibility of pivoting and provided at its free end with a bent extension 80.
  • the extension 80 ends in a sheath 82 internally threaded for receive a threaded rod 84, one end of which is provided with a freely mounted jaw 86 and the other end of which is provided with a lever 88 intended to drive the threaded rod 84 and consequently the displacement of the jaw 86
  • the jaw 86 bears on the outer end of the shoe of a rail 14 of small dimensions. This jaw can occupy a position 86 ′ to come to bear on the outer end of the shoe of a rail 14 ′ of larger dimensions, the bent extension 80 then occupying a different angular position 80 ′ (cf. FIG. 2).
  • the adjustment device 10 is moreover provided at its two ends with two fixing blocks 90 and 92 intended, where appropriate, for securing the adjustment device with a lorry-type transport carriage, as will be explained below with reference to Figure 6.
  • the device 10 is moreover provided with an aluminothermic crucible 94 carried by a pivoting column 96 adjustable in height, the base of which is fixed to the adjustment device itself. Handles 98, 100 and 102 are provided for move the crucible and bring it over the gap between the two ends 38 and 40, as shown in Figures 1 and 2.
  • the device After having previously adjusted the intermediate distance between the two ends 38 and 40 to be welded by an appropriate method known per se, the device is brought into position as shown in FIGS. 1 and 2. A tightening is then carried out. provisional press 42 and 44 so as to maintain the device in position and to align the inner vertical sides of the mushrooms of the two rails.
  • the two butt ends to be welded are then slightly raised using the appropriate shims or screw or hydraulic jacks so as to give the rails a "sharp".
  • the press 76 which is fixed on the appropriate anchoring block, that is to say that corresponding to the rail in the pad is the most away from the dispos if.
  • the lever 88 the jaw 86 is moved to gradually bring the pad of the corresponding rail into alignment with the pad of the other rail.
  • the two rails are then blocked by completely tightening the two presses 42 and 44. It is then possible to weld the rails using the aluminotherm crucible 94 and then to eliminate the excess weld using an appropriate deburring machine. .
  • FIG. 5 shows a carriage 104 with two wheels of the devil type provided with two supports 106 and 108 capable of receiving, in a removable manner, the adjustment device 10 arranged horizontally.
  • the supports 106 and 108 are identical and cut so as to constitute respectively rectilinear lower supports 110 and 112 and recesses 114 and 116 having an opening slightly greater than the thickness of the sheet metal constituting the device 10, so as to hold the device 10 by simple cantilever effect.
  • Such a carriage 104 is more particularly suitable for transporting the adjustment device to bring it to the place of welding in the case where the rails are arranged on roadways, as in the case of tram rails.
  • FIG. 6 There is shown in Figure 6 a self-propelled carriage 118, of the lorry type, movable on railroad tracks.
  • This carriage 118 consists of a box 120 equipped with four wheels such as 122 and 124 and a power source (not shown) intended to supply a motor for driving the wheels such as 124.
  • the carriage 118 is provided with two adjustment devices 126 and 128 similar to the device 10 described above, carried respectively by articulated arms 130 and 132 provided at each end of the carriage.
  • the device 126 is shown horizontally in the transport position bearing on supports 134 and 136 secured to the box 120 while the device 128 is shown in the use position, that is to say horizontally at the level of the rails to be adjusted.
  • the intermediate positions 128 ′ and 128 "represent the device in the position of displacement between two operations of welding, the thermite crucible remaining on the device.
  • the arm 130 is articulated around a horizontal axis 138 integral with the box 120 and is provided at its free end with a cap 140 intended to removably receive the device 126 by means of a detachable pin 142 passing through the one of the fixing blocks 144 provided at the two ends of the device 126.
  • the arm 132 is produced in a similar manner to the arm 130.
  • the adjustment devices 126 and 128 are brought to the place of welding by means of the carriage 118 and can then be detached from the carriage 118 if the two welds to be produced are not in perfect opposite to allow two operations to be carried out simultaneous adjustment.
  • the casing 120 of the carriage is also a conveying medium for the material for the welding of the rails, such as an aluminothermic crucible, the materials necessary for the welding aluminothermi q ue, shims, tools, powered or not by trolley power source.
  • this power source can be used to supply, for example hydraulically, rail cutting tools, welding deburring tools, grinding tools, etc.
  • the carriage 118 is further provided with four retractable wheels, such as 146 and 148, carried by arms, such as 150 and 152, integral with a pivot, such as 154, directed in the longitudinal direction of the carriage, that is to say say parallel to its direction of advancement.
  • These wheels 146 and 148 can be brought by appropriate means (not shown) in a position to derail the carriage, that is to say to move it transversely and make it leave the rails on which it moves to allow for example the passage of a train between two operations adjustment.
  • FIGS. 7 to 10 show a fixed installation equipped with an adjustment device according to the invention.
  • This fixed installation comprises a frame 156 fixed to the ground and provided with a plurality of rollers 158 intended to slide two rails 160 and 162 by means of a traction device (not shown) to bring them into a position such that their ends respectively 164 and 166 are in the adjustment and welding position, that is to say substantially in the middle of the frame 156, providing between them the intermediate distance necessary for the subsequent casting of the thermite weld.
  • the frame 156 is provided with an adjustment device 168 according to the invention.
  • This device 168 is integral with two arms 170 and 172 pivotally mounted around an axis 174 of the frame 156, arranged parallel to the direction of the rails to be adjusted.
  • the device 168 can be moved between a service position, that is to say a horizontal position in which the supports 176, 178, 180 and 182 of the device come to apply on the sides of the mushrooms of the rails (cf. figures 7, 8 and 10) and a vertical retracting position 168 ′ (cf. FIGS. 9 and 10).
  • a compensation spring 184 is provided around the axis 174 (cf. FIG. 9).
  • the frame 156 is moreover provided with an aluminothermic crucible 186 carried by means of a pivoting column 188 which is adjustable in height whose base is secured to the frame 156.
  • This crucible 186 can be moved between a service position 186 in which it is located just above the interlayer between the two ends 164 and 166 and a position 186 'where it is located retracted (see Figure 8).
  • a support 190 equipped with a deburring tool 192 intended to remove the excess weld formed around the butt ends after the aluminothermic welding has been carried out by means of the crucible 186.
  • the deburring tool 192 is carried, suspended horizontally, by an arm 194 pivoting about a horizontal axis 196 under the action of a jack 198 (of. Figure 7). This tool can be moved between a high retraction position (see Figure 7) and a low service position by following a circular path T.
  • the tool 192 comprises two pivoting knives 200 and 202 capable of being displaced in the longitudinal direction of the rails under the action of two parallel cylinders 204 and 206 bearing by a base 208 on the support 190 when the tool 192 is in service position.
  • the rail 162 is held by a blocking assembly 210 integral with the frame 156.
  • This assembly comprises two movable corners 212 and 214 movable in symmetrical angular directions on either side of the longitudinal axis of the rails.
  • the two corners 212 and 214 are actuated respectively under the action of rotary drive heads 216 and 218 against two springs 220 and 222.
  • FIG. 7 to 10 The installation of figures 7 to 10 is used as follows.
  • the two rails are brought to be welded by sliding them on the rollers so that the butt ends to be welded are in the central area of the frame, leaving a suitable intermediate distance between the ends.
  • the adjustment device is brought into the operating position and the adjustment is carried out as indicated above.
  • the locking assembly is actuated to block the corresponding rail. We bring the aluminothermic crucible. in the welding position and the welding is carried out.
  • the crucible is then moved aside and the adjustment device is brought back into the retracted position.
  • the weld is deburred and the blocking assembly is released. We can then move the rail on the rollers to evacuate it or to add a new section by welding.
  • the device of the invention can thus be used for welding rails, in particular railway rails, on track or in a fixed installation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Arc Welding In General (AREA)
  • Resistance Welding (AREA)
  • Seats For Vehicles (AREA)
  • Mushroom Cultivation (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Railway Tracks (AREA)
EP80400303A 1979-03-05 1980-03-04 Vorrichtung zum Ausrichten und Halten von zwei zu verschweissenden Schienenenden Expired EP0017520B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400303T ATE2690T1 (de) 1979-03-05 1980-03-04 Vorrichtung zum ausrichten und halten von zwei zu verschweissenden schienenenden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7905621A FR2450904A1 (fr) 1979-03-05 1979-03-05 Dispositif de reglage de deux abouts de rails a raccorder par soudure
FR7905621 1979-03-05

Publications (2)

Publication Number Publication Date
EP0017520A1 true EP0017520A1 (de) 1980-10-15
EP0017520B1 EP0017520B1 (de) 1983-03-02

Family

ID=9222754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400303A Expired EP0017520B1 (de) 1979-03-05 1980-03-04 Vorrichtung zum Ausrichten und Halten von zwei zu verschweissenden Schienenenden

Country Status (10)

Country Link
US (1) US4320708A (de)
EP (1) EP0017520B1 (de)
JP (1) JPS55119804A (de)
AT (1) ATE2690T1 (de)
AU (1) AU530111B2 (de)
BR (1) BR8001288A (de)
CA (1) CA1140600A (de)
DE (1) DE3062159D1 (de)
FR (1) FR2450904A1 (de)
OA (1) OA06480A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253634A2 (de) * 1986-07-14 1988-01-20 H.A. Schlatter Ag Schienen-Schweissgerät
US5575416A (en) * 1994-09-01 1996-11-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Device for aligning and retaining two rails whose ends are to be welded together

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487879A2 (fr) * 1980-07-30 1982-02-05 Delachaux C Dispositif de reglage de deux abouts de rails a raccorder par soudure
US4753424A (en) * 1986-03-05 1988-06-28 Nippon Kokan Kabushiki Kaisha Method of clamping rails for pressure welding the same and clamping apparatus therefor
SE9504368D0 (sv) * 1995-12-05 1995-12-05 Esab Ab Hopsvetsningsanordning
US6651353B1 (en) 1999-08-09 2003-11-25 The Burlington Northern And Santa Fe Railway Company Rail alignment tool
US6385861B1 (en) 1999-08-09 2002-05-14 The Burlington Northern And Santa Fe Railway Company Rail alignment tool
US6515249B1 (en) 2000-09-29 2003-02-04 Harsco Technologies Corporation Method of railroad rail repair
US6637727B1 (en) 2002-04-22 2003-10-28 Templeton, Kenly & Co. Rail puller including a clamping beam and two clamping members and a method thereof
US20050279849A1 (en) * 2004-06-18 2005-12-22 Herman Vincent H Railroad tie spacer
PL1731673T3 (pl) * 2005-05-18 2008-08-29 Franz Plasser Bahnbaumaschinen Ind Mbh Maszyna do spawania i sposób spawania szyn toru
AT507560B1 (de) * 2008-12-03 2010-06-15 Plasser Bahnbaumasch Franz Schweissaggregat zum verschweissen von schienen
US8684279B1 (en) 2011-10-13 2014-04-01 Jessie L. Bledsoe Railroad alignment system
US10053819B2 (en) * 2016-08-25 2018-08-21 Ronald Lewis Rail alignment tool
CN108247275B (zh) * 2018-03-26 2024-02-09 中车洛阳机车有限公司 一种轨道探伤作业车构架安装板的焊接工装及方法
CN110254561B (zh) * 2019-06-04 2023-12-19 内蒙古鸿信电力股份有限公司 一种自测距式柔性对接小车及对接位置测量方法
CN118081257B (zh) * 2024-04-03 2024-08-02 中铁十六局集团铁运工程有限公司 一种钢轨铝热焊接对位工具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE219944C (de) *
US2261949A (en) * 1939-11-04 1941-11-11 Dale A Benner Rail bender
FR1585696A (de) * 1968-09-20 1970-01-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1878809A (en) * 1930-06-07 1932-09-20 Edward F Begtrup Rail clamp
US2124849A (en) * 1936-09-30 1938-07-26 Sperry Prod Inc Arc welding
US2430107A (en) * 1945-12-22 1947-11-04 Cronrath Paul Trundle truck
DE1271740B (de) * 1966-01-05 1968-07-04 Elektro Thermit Gmbh Vorrichtung zur Durchfuehrung von aluminothermischen Schienenverbindungsschweissungen
US3635165A (en) * 1969-10-27 1972-01-18 Vladimir Ivanovich Platov Machine for welding rails in the track
US3802348A (en) * 1970-07-16 1974-04-09 Trakwork Equipment Co Track welding system
US3982091A (en) * 1974-10-15 1976-09-21 H. A. Schlatter Ag Welding apparatus
AU517045B2 (en) * 1977-07-08 1981-07-02 C. Delachaux SA Aligning and setting gap between rails
CH621502A5 (de) * 1977-09-09 1981-02-13 Schlatter Ag
CH632948A5 (de) * 1978-11-10 1982-11-15 Schlatter Ag Einrichtung zum stirnseitigen aneinanderschweissen zweier profilstangen.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE219944C (de) *
US2261949A (en) * 1939-11-04 1941-11-11 Dale A Benner Rail bender
FR1585696A (de) * 1968-09-20 1970-01-30

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0253634A2 (de) * 1986-07-14 1988-01-20 H.A. Schlatter Ag Schienen-Schweissgerät
EP0253634A3 (de) * 1986-07-14 1988-08-31 H.A. Schlatter Ag Schienen-Schweissgerät
US5575416A (en) * 1994-09-01 1996-11-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Device for aligning and retaining two rails whose ends are to be welded together

Also Published As

Publication number Publication date
EP0017520B1 (de) 1983-03-02
FR2450904A1 (fr) 1980-10-03
OA06480A (fr) 1981-07-31
AU530111B2 (en) 1983-06-30
DE3062159D1 (en) 1983-04-07
CA1140600A (fr) 1983-02-01
FR2450904B1 (de) 1982-10-29
ATE2690T1 (de) 1986-03-15
JPH0132325B2 (de) 1989-06-30
US4320708A (en) 1982-03-23
BR8001288A (pt) 1980-11-04
AU5609480A (en) 1980-09-11
JPS55119804A (en) 1980-09-13

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