EP0019555B1 - Apparatus for adjusting the gap between two rail ends prior to joining - Google Patents

Apparatus for adjusting the gap between two rail ends prior to joining Download PDF

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Publication number
EP0019555B1
EP0019555B1 EP80400687A EP80400687A EP0019555B1 EP 0019555 B1 EP0019555 B1 EP 0019555B1 EP 80400687 A EP80400687 A EP 80400687A EP 80400687 A EP80400687 A EP 80400687A EP 0019555 B1 EP0019555 B1 EP 0019555B1
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EP
European Patent Office
Prior art keywords
frame
mobile
rail
rails
frames
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.)
Expired
Application number
EP80400687A
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German (de)
French (fr)
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EP0019555A1 (en
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
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C Delachaux SA
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Filing date
Publication date
Application filed by C Delachaux SA filed Critical C Delachaux SA
Priority to AT80400687T priority Critical patent/ATE3888T1/en
Publication of EP0019555A1 publication Critical patent/EP0019555A1/en
Application granted granted Critical
Publication of EP0019555B1 publication Critical patent/EP0019555B1/en
Expired legal-status Critical Current

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    • 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
    • Y10T29/53678—Compressing parts together face to face

Definitions

  • the present invention relates to a device for adjusting the intermediate distance of two end pieces of rails to be connected.
  • the intermediate distance between the two ends must first be adjusted in order to then allow the actual connection operation to be carried out, which can be carried out by welding or by fitting fishplates.
  • This adjustment operation can consist either in decreasing or increasing the intermediate distance between the two ends depending in particular on the outside temperature conditions which can cause the rails to expand or contract.
  • intermediate distance adjustment devices which comprise two frames capable of respectively enclosing the two rails, the intermediate distance of their ends of which must be adjusted, and jacks articulated to the two frames to bring the two closer or further away. frames and consequently respectively the reduction or the increase of the intermediate distance.
  • a device for adjusting the intermediate distance of two such rail ends is known from patent application GB-A-2 000 829.
  • This known device comprises means capable of causing the displacement of a movable frame relative to a fixed frame and means capable of making the rails integral with the frames.
  • the main object of the present invention is to provide a device for adjusting the intermediate distance of two end pieces of rails to be connected which can be adapted, without disassembly, both to an adjustment operation by increasing the intermediate distance and to a adjustment operation by decreasing the intermediate distance.
  • Another object of the invention is to provide an adjustment device capable of developing the power necessary for adjustment operations under the most severe conditions.
  • Another object of the invention is to provide a wagon movable on a railroad track and equipped with at least one and preferably with two handling devices able to each move an adjustment device according to the invention to allow simultaneous effecting of two intermediate distance adjustment operations on the two rows of rails of a railroad track.
  • the present invention provides a device for adjusting the intermediate distance of two end pieces of rails to be connected, characterized in that it comprises a single fixed frame capable of enclosing one of the two rails, two parallel bars one end of which is integral with the fixed frame, two movable frames capable of sliding independently over a limited distance on the parallel bars in the vicinity of their other end and capable of enclosing the other rail, jacks capable of causing the relative displacement of the movable frames on the parallel bars, immobilization means able to immobilize any of the movable frames on the parallel bars and allow the sliding of the other movable frame on the parallel bars when the jacks are actuated, the movable frame sliding and the fixed frame being clamped on their respective rails to reduce or increase the intermediate distance of the two ends depending on whether the sliding movable frame is the one closest or respectively farthest from the fixed frame.
  • the immobilization means consist of two spacers each affecting a U-shaped section and capable of covering each of one of the two parallel bars, that is to say between the movable frame furthest from the fixed frame and an end stop of the bar, ie between the movable frame closest to the fixed frame and an intermediate stop of the bar.
  • the fixed frame comprises a rail passage tunnel flaring at its two ends to allow two clamping corners to be placed between the two sides of the core of the rail to be clamped and the end of the tunnel which is the closest or the furthest from the movable frames, depending on whether it is necessary to decrease or respectively to increase the intermediate distance of the two rail ends.
  • each movable frame has a rail passage tunnel flared towards its end opposite to that closest to the other movable frame to allow two clamping corners to be placed between the two sides of the core of the rail to be tightened and the sliding mobile block tunnel.
  • FIG. 1 shows an adjustment device 10 according to the invention applied to a left rail 12 and a right rail 14, the intermediate distance of their ends of which must be adjusted before carrying out the connection operation properly.
  • the device 10 is constituted by a fixed frame 16 affecting, in view of the end, the general shape of a semicircle (cf. FIG. 2).
  • the fixed frame 16 comprises a central block 18 in the shape of a U open towards the bottom defining a passage tunnel for the rail 14.
  • This central block 18 is connected to a semi-circular external frame 20 by means of reinforcing pieces such as 22.
  • the frame 16 comprises two rings 24 and 26 respectively intended for the attachment of two parallel bars.
  • loops 28 and 30 intended to be placed parallel to the direction of the rails 12 and 14.
  • the ends of the bars 28 and 30 not subject to the fixed frame 16 are used for fixing rod 32 and 34 of circular section.
  • the rods 32 and 34 are located in the respective extension of the bars 28 and 30 and are parallel to each other.
  • the rods 32 and 34 constitute sliding bars, the sliding distance of which is limited by end stops 36 and 38 and by intermediate stops 40 and 42.
  • the device further comprises two movable frames 44 and 46 able to slide on the rods 32 and 34 between the stops 36 and 40 and 38 and 42.
  • the movable frames 44 and 46 are identical and have the general shape of a semicircle similar to the general shape of the fixed frame 16.
  • the movable frames 44 and 46 each define a passage tunnel 48 and a passage tunnel 50 respectively for the rail 12.
  • the frames 44 and 46 can be moved relatively relative to each other by means of two double-acting hydraulic cylinders 52 and 54 whose bodies are fixed to the movable frame 44 and whose respective rods 56 and 58 pass through the frames 44 and 46 and are subject to the frame 46.
  • the jacks 52 and 54 are arranged parallel to the rods 32 and 34 and consequently to the parallel bars 28 and 30 to allow the relative movement of the frames 44 and 46 by sliding on the rods 32 and 34.
  • the device 10 also includes immobilization means capable of immobilizing any one of the movable frames 44 and 46 on the rods 32 and 34 and thus allowing the sliding of the other movable frame under the action of the jacks 36 and 38.
  • These immobilization means are constituted by two spacers 60 and 62 each affecting a U-shaped section and capable of covering the two rods 32 and 34 respectively.
  • the spacers 60 and 62 can be placed either between the frame 44, which is the farthest of the fixed frame 16, and the end stops 36 and 38 (cf. upper part of Figure 1), that is to say between the frame 46, which is closest to the fixed frame 16, and the intermediate stops 40 and 42 (cf. . lower part of Figure 1).
  • the intermediate stops 40 and 42 cf. . lower part of Figure 1
  • the central block 18 of the fixed frame 16 defines a rail passage tunnel which widens towards its two ends to allow two clamping corners to be put in place between the two sides of the rail core 14 and the end of the tunnel which is the closest or the furthest from the movable frames 44 and 46 depending on whether it is respectively necessary to decrease or increase the intermediate distance of the two ends.
  • tunnels 48 and 50 of the movable frames 44 and 46 are flared towards their end opposite to that closest to the other movable frame to allow two clamping corners to be placed between the two sides of the web of the rail 12 to be clamped and the tunnel of the sliding mobile unit.
  • two clamping corners such 64 are placed between the two sides of the web of the rail 14 and the tunnel of the frame 18, towards the end of the tunnel which is closest to the movable frames 44 and 46 and, likewise, two clamping corners 66 are placed between the two sides of the web of the rail 12 and the tunnel 50 of the movable frame 46.
  • the jacks 52 and 54 are then actuated so as to cause the displacement of the movable frame 46 in the direction of the fixed frame 16.
  • This displacement causes blocking corners 66 and 64 between the rails 12 and 14 and the frames 46 and 16 and consequently the approximation of the ends of the rails 12 and 14 in the direction of the arrows F.
  • two clamping corners 68 are placed between the two sides of the web of the rail 14 and the tunnel of the fixed frame 16 towards the end of the tunnel which is furthest from the movable frames 44 and 46 and two clamping corners 70 are placed between the two sides of the web of the rail 12 and the tunnel 48 of the movable frame 44.
  • This displacement causes the corners 68 and 70 to be blocked and consequently the two ends to be separated in the direction of the arrows G.
  • Figure 2 shows how one of the two corners 68 is interposed between the U-shaped block 18 and one of the sides of the web of the rail 14.
  • the jacks 52 and 54 must be retracted to bring the movable frame which has slid back against the movable frame which had been immobilized by the spacers 60 and 62.
  • the invention provides that the two spacers 60 and 62 are each provided with two end flanges capable of securing each spacer with the movable immobilized frame and the intermediate stop or the end stop of the corresponding rod .
  • the spacer 80 is made integral with the end stop 36 of the movable frame 44 by means of two end flanges 72 and 74 bent, welded to the spacer and provided with respective through passages 78 and 78 capable of cooperating with retaining pins 80 and 82 integral respectively with the stop 36 and the frame 44.
  • the frame 46 and the intermediate stop 40 are provided with similar pins (not shown) for the installation of the spacer 60 between the frame 46 and the stop 40.
  • the spacer 60 is provided with a through hole 84 for the installation of a safety pin.
  • the spacer 62 is also provided with two end flanges 86 and 88 able to cooperate with the pins 90, 92, 94 and 96 secured respectively to the stop 38 of the frame 44, of the frame 46 and of the stop 42.
  • the means for securing the spacers with the movable frames and the stops can be produced in many other ways.
  • FIG. 4 a self-propelled wagon 98 movable on a railroad 100.
  • This wagon is equipped with two handling devices 102 Identical and able to each move an adjustment device according to the invention to bring it on site to the location where the connection is to be made. Only one of the two devices 102 will be described.
  • the handling device 102 consists of an L-shaped bracket 104 comprising a branch 106 and a branch 108 at right angles.
  • the branch 106 is provided with rollers 110 and 112 able to move along a horizontal beam 114 provided at the upper part of the wagon and the branch 108 is provided at its lower end with a caster 116 capable of moving on the bottom of wagon 98.
  • the handling device 102 further comprises a support 118 capable of sliding vertically along the branch 108.
  • This support 118 is provided with horizontal slides capable of supporting a handling fork 120 provided with two branches 122 capable of to pass through orifices made in the movable blocks 44 and 46 of the device 10.
  • the fork 120 can be moved vertically under the action of a cable 124 driven by a suitable winch (not shown).
  • a suitable winch not shown
  • the handling device 102 supporting the adjustment device 10 can be moved inside the wagon and occupy the position 102 'shown in dotted lines.
  • wagon 72 Since wagon 72 is equipped with two handling devices which can be actuated independently, it thus makes it possible to deposit two adjustment devices on two places where it is advisable to carry out an adjustment and a connection of rails. It thus makes it possible to simultaneously carry out two adjustment and connection operations on the two lines of a railroad track, even if the two connections are not exactly opposite each other on the railroad track.
  • the wagon 98 is provided with a motor 126 intended to ensure the movement of the wagon and the operation of the handling equipment.
  • connection operation is carried out, the device being kept blocked to maintain the intermediate distance of the two rail ends at the desired value.
  • the connection can be made by welding, for example aluminothermic, or by fitting fishplates.
  • the adjustment device of the invention can be used for laying or repairing railway tracks.
  • the device of the invention can be moved to the connection location by any suitable means.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Escalators And Moving Walkways (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Paper (AREA)
  • Seats For Vehicles (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Handcart (AREA)
  • Building Environments (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

A device for adjusting the butt-ends of two rails to be connected has a fixed frame for enclosing one of the two rails and two integral bars, parallel to the rails, and extending from the fixed frame toward the other rail. Two movable frames are slidable over a limited portion of the parallel bars in the vicinity of the other rail and can be selectively secured to the other rail so that only one of these two frames is slidably movable. Jacks are provided to effect relative movement between the two movable frames. Actuation of the jacks effects movement of the two movable frames relative to each other and, depending upon which of these frames is secured to the parallel bars, the gap between the two butt-ends will be either increased or decreased.

Description

La présente invention concerne un dispositif de réglage de la distance intercalaire de deux abouts de rails à raccorder.The present invention relates to a device for adjusting the intermediate distance of two end pieces of rails to be connected.

Pour raccorder deux abouts de rails, tels que des abouts de rails de chemin de fer, il faut au préalable régler la distance intercalaire entre les deux abouts pour permettre d'effectuer ensuite l'opération de raccordement proprement dite qui peut être réalisée par soudure ou par mise en place d'éclisses.To connect two rail ends, such as railway rail ends, the intermediate distance between the two ends must first be adjusted in order to then allow the actual connection operation to be carried out, which can be carried out by welding or by fitting fishplates.

Cette opération de réglage peut consister soit à diminuer, soit à augmenter la distance intercalaire entre les deux abouts en fonction notamment des conditions de température extérieure pouvant provoquer une dilatation ou une contraction des rails.This adjustment operation can consist either in decreasing or increasing the intermediate distance between the two ends depending in particular on the outside temperature conditions which can cause the rails to expand or contract.

Il existe déjà des dispositifs de réglage de distance intercalaire qui comprennent deux bâtis aptes à enserrer respectivement les deux rails dont il convient de régler la distance intercalaire de leurs abouts, et des vérins articulés aux deux bâtis pour provoquer le rapprochement ou l'éloignement des deux bâtis et par suite respectivement la diminution ou l'augmentation de la distance intercalaire.There are already intermediate distance adjustment devices which comprise two frames capable of respectively enclosing the two rails, the intermediate distance of their ends of which must be adjusted, and jacks articulated to the two frames to bring the two closer or further away. frames and consequently respectively the reduction or the increase of the intermediate distance.

L'inconvénient principal de ces dispositifs antérieurs est qu'ils nécessitent un démontage pour leur permettre de passer de l'une ou l'autre d'une opération de diminution de distance intercalaire à une opération d'augmentation de distance intercalaire.The main drawback of these prior devices is that they require disassembly to enable them to pass from one or the other of an operation of reduction of intermediate distance to an operation of increase of intermediate distance.

Un autre inconvénient de ces dispositifs est qu'ils ne présentent pas toujours la puissance nécessaire pour effectuer des opérations de réglage dans les conditions les plus sévères.Another drawback of these devices is that they do not always have the power necessary to carry out adjustment operations under the most severe conditions.

Un dispositif de réglage de la distance intercalaire de deux abouts de rails de ce genre est connu par la demande de brevet GB-A-2 000 829. Ce dispositif connu comprend des moyens aptes à provoquer le déplacement d'un bâti mobile par rapport à un bâti fixe et des moyens aptes à rendre les rails solidaires des bâtis.A device for adjusting the intermediate distance of two such rail ends is known from patent application GB-A-2 000 829. This known device comprises means capable of causing the displacement of a movable frame relative to a fixed frame and means capable of making the rails integral with the frames.

Le but principal de la présente invention est de fournir un dispositif de réglage de la distance intercalaire de deux abouts de rails à raccorder qui peut être adapté, sans démontage, aussi bien à une opération de réglage par augmentation de la distance intercalaire qu'à une opération de réglage par diminution de la distance intercalaire.The main object of the present invention is to provide a device for adjusting the intermediate distance of two end pieces of rails to be connected which can be adapted, without disassembly, both to an adjustment operation by increasing the intermediate distance and to a adjustment operation by decreasing the intermediate distance.

Un autre but de l'invention est de fournir un dispositif de réglage pouvant développer la puissance nécessaire aux opérations de réglage dans les conditions les plus sévères.Another object of the invention is to provide an adjustment device capable of developing the power necessary for adjustment operations under the most severe conditions.

Un autre but de l'invention est de fournir un wagon déplaçable sur voie ferrée et équipé d'au moins un et de préférence de deux appareils de manutention aptes à déplacer chacun un dispositif de réglage selon l'invention pour permettre d'effectuer simultanément deux opérations de réglage de distance intercalaire sur les deux files de rails d'une voie ferrée.Another object of the invention is to provide a wagon movable on a railroad track and equipped with at least one and preferably with two handling devices able to each move an adjustment device according to the invention to allow simultaneous effecting of two intermediate distance adjustment operations on the two rows of rails of a railroad track.

Pour atteindre ces buts, la présente invention propose un dispositif de réglage de la distance intercalaire de deux abouts de rails à raccorder, caractérisé par le fait qu'il comprend un seul bâti fixe apte à enserrer l'un des deux rails, deux barres parallèles dont une extrémité est solidaire du bâti fixe, deux bâtis mobiles aptes à coulisser de façon indépendante sur une distance limitée sur les barres parallèles au voisinage de leur autre extrémité et aptes à enserrer l'autre rail, des vérins aptes à provoquer le déplacement relatif des bâtis mobiles sur les barres parallèles, des moyens d'immobilisation aptes à immobiliser l'un quelconque des bâtis mobiles sur les barres parallèles et permettre le coulissement de l'autre bâti mobile sur les barres parallèles lorsque les vérins sont actionnés, le bâti mobile coulissant et le bâti fixe étant enserrés sur leurs rails respectifs pour diminuer ou augmenter la distance intercalaire des deux abouts selon que le bâti mobile coulissant est celui le plus proche ou respectivement le plus éloigné du bâti fixe.To achieve these goals, the present invention provides a device for adjusting the intermediate distance of two end pieces of rails to be connected, characterized in that it comprises a single fixed frame capable of enclosing one of the two rails, two parallel bars one end of which is integral with the fixed frame, two movable frames capable of sliding independently over a limited distance on the parallel bars in the vicinity of their other end and capable of enclosing the other rail, jacks capable of causing the relative displacement of the movable frames on the parallel bars, immobilization means able to immobilize any of the movable frames on the parallel bars and allow the sliding of the other movable frame on the parallel bars when the jacks are actuated, the movable frame sliding and the fixed frame being clamped on their respective rails to reduce or increase the intermediate distance of the two ends depending on whether the sliding movable frame is the one closest or respectively farthest from the fixed frame.

Selon une autre particularité de l'invention, les moyens d'immobilisation sont constitués par deux entretoises affectant chacun une section en U et aptes à coiffer chacune l'une des deux barres parallèles, soit entre le bâti mobile le plus éloigné du bâti fixe et une butée d'extrémité de la barre, soit entre le bâti mobile le plus proche du bâti fixe et une butée intermédiaire de la barre.According to another characteristic of the invention, the immobilization means consist of two spacers each affecting a U-shaped section and capable of covering each of one of the two parallel bars, that is to say between the movable frame furthest from the fixed frame and an end stop of the bar, ie between the movable frame closest to the fixed frame and an intermediate stop of the bar.

Dans un mode de réalisation préféré de l'invention le bâti fixe comporte un tunnel de passage de rail s'évasant à ses deux extrémités pour permettre de placer deux coins de serrage entre les deux côtés de l'âme du rail à serrer et l'extrémité du tunnel qui est la plus proche ou la plus éloignée des bâtis mobiles, selon qu'il convient de diminuer ou respectivement d'augmenter la distance intercalaire des deux abouts de rails.In a preferred embodiment of the invention, the fixed frame comprises a rail passage tunnel flaring at its two ends to allow two clamping corners to be placed between the two sides of the core of the rail to be clamped and the end of the tunnel which is the closest or the furthest from the movable frames, depending on whether it is necessary to decrease or respectively to increase the intermediate distance of the two rail ends.

Dans ce mode de réalisation préféré, chaque bâti mobile comporte un tunnel de passage de rails évasé vers son extrémité opposée à celle la plus proche de l'autre bâti mobile pour permettre de placer deux coins de serrage entre les deux côtés de l'âme du rail à serrer et le tunnel du bloc mobile coulissant.In this preferred embodiment, each movable frame has a rail passage tunnel flared towards its end opposite to that closest to the other movable frame to allow two clamping corners to be placed between the two sides of the core of the rail to be tightened and the sliding mobile block tunnel.

D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la description qui va suivre et qui se réfère aux dessins annexés, donnés uniquement à titre d'exemple non limitatif, sur lesquels :

  • La Figure 1 est une vue de dessus, avec coupe partielle, d'un dispositif de réglage selon l'invention appliqué au réglage de la distance intercalaire de deux abouts de rails et montrant une demi partie du dispositif appliquée à la diminution de la distance intercalaire et l'autre demi; partie du dispositif appliquée à une augmentation de la distance intercalaire ;
  • La Figure 2 est une vue d'extrémité du dispositif de la Figure 1 montrant une moitié du bâti fixe ;
  • La Figure 3 est une vue en coupe suivant la ligne III-III de la Figure 1 ; et
  • La Figure 4 est une vue en élévation montrant un wagon déplaçable sur voie ferrée et équipé d'un dispositif de manutention apte à déplacer un dispositif de réglage selon l'invention.
Other characteristics and advantages of the invention will be better understood on reading the description which follows and which refers to the appended drawings, given solely by way of nonlimiting example, in which:
  • Figure 1 is a top view, partly in section, of an adjustment device according to the invention applied to the adjustment of the intermediate distance of two end pieces of rails and showing a half part of the device applied to the reduction of the intermediate distance and the other half; part of the device applied to an increase in the spacing distance;
  • Figure 2 is an end view of the device of Figure 1 showing one half of the fixed frame;
  • Figure 3 is a sectional view along line III-III of Figure 1; and
  • Figure 4 is an elevational view showing a wagon movable on a railway track and equipped with a handling device capable of moving an adjustment device according to the invention.

On a représenté sur la Figure 1 un dispositif 10 de réglage selon l'invention appliqué sur un rail de gauche 12 et un rail de droite 14 dont il convient de régler la distance intercalaire de leurs abouts avant d'effectuer l'opération de raccordement proprement dite. On a représenté sur la partie de la Figure 1 située au-dessus de la direction des deux rails 12 et 14 une moitié du dispositif 10 réalisant une opération de diminution de la distance intercalaire D entre les abouts et sur la partie de la Figure 1 située en dessous de la direction des rails 12 et 14 l'autre moitié du dispositif 10 opérant une opération d'augmentation de la distance intercalaire d entre les abouts. Le dispositif 10 est constitué par un bâti fixe 16 affectant, en vue d'extrémité la forme générale d'un demi-cercle (cf. Figure 2). Le bâti fixe 16 comporte un bloc central 18 en forme de U ouvert vers le bas définissant un tunnel de passage pour le rail 14. Ce bloc central 18 est relié à une armature extérieure semi-circulaire 20 au moyen de pièces de renforcement telles 22. En outre, le bâti 16 comporte deux bagues 24 et 26 destinées respectivement à la fixation de deux barres paral- . lèles 28 et 30 destinées à être placées parallèlement à la direction des rails 12 et 14. Les extrémités des barres 28 et 30 non assujetties au bâti fixe 16 servent à la fixation de tige 32 et 34 de section circulaire. Les tiges 32 et 34 sont situées dans le prolongement respectif des barres 28 et 30 et sont parallèles entre elles. Les tiges 32 et 34 constituent des barres de coulissement dont la distance de coulissement est limitée par des butées d'extrémité 36 et 38 et par des butées intermédiaires 40 et 42.FIG. 1 shows an adjustment device 10 according to the invention applied to a left rail 12 and a right rail 14, the intermediate distance of their ends of which must be adjusted before carrying out the connection operation properly. said. There is shown on the part of Figure 1 located above the direction of the two rails 12 and 14 half of the device 10 performing an operation of reducing the intermediate distance D between the ends and on the part of Figure 1 located below the direction of the rails 12 and 14 the other half of the device 10 operating an operation of increasing the intermediate distance d between the ends. The device 10 is constituted by a fixed frame 16 affecting, in view of the end, the general shape of a semicircle (cf. FIG. 2). The fixed frame 16 comprises a central block 18 in the shape of a U open towards the bottom defining a passage tunnel for the rail 14. This central block 18 is connected to a semi-circular external frame 20 by means of reinforcing pieces such as 22. In addition, the frame 16 comprises two rings 24 and 26 respectively intended for the attachment of two parallel bars. lèles 28 and 30 intended to be placed parallel to the direction of the rails 12 and 14. The ends of the bars 28 and 30 not subject to the fixed frame 16 are used for fixing rod 32 and 34 of circular section. The rods 32 and 34 are located in the respective extension of the bars 28 and 30 and are parallel to each other. The rods 32 and 34 constitute sliding bars, the sliding distance of which is limited by end stops 36 and 38 and by intermediate stops 40 and 42.

Le dispositif comporte en outre deux bâtis mobiles 44 et 46 aptes à coulisser sur les tiges 32 et 34 entre les butées 36 et 40 et 38 et 42. Les bâtis mobiles 44 et 46 sont identiques et affectent la forme générale d'un demi-cercle analogue à la forme générale du bâti fixe 16. Les bâtis mobiles 44 et 46 définissent chacun respectivement un tunnel de passage 48 et un tunnel de passage 50 pour le rail 12.The device further comprises two movable frames 44 and 46 able to slide on the rods 32 and 34 between the stops 36 and 40 and 38 and 42. The movable frames 44 and 46 are identical and have the general shape of a semicircle similar to the general shape of the fixed frame 16. The movable frames 44 and 46 each define a passage tunnel 48 and a passage tunnel 50 respectively for the rail 12.

Les bâtis 44 et 46 peuvent être déplacés relativement l'un par rapport à l'autre au moyen de deux vérins hydrauliques à double effet 52 et 54 dont les corps sont fixés sur le bâti mobile 44 et dont les tiges respectives 56 et 58 traversent les bâtis 44 et 46 et sont assujetties au bâti 46. Les vérins 52 et 54 sont disposés parallèlement aux tiges 32 et 34 et par suite aux barres parallèles 28 et 30 pour permettre d'assurer le déplacement relatif des bâtis 44 et 46 par coulissement sur les tiges 32 et 34.The frames 44 and 46 can be moved relatively relative to each other by means of two double-acting hydraulic cylinders 52 and 54 whose bodies are fixed to the movable frame 44 and whose respective rods 56 and 58 pass through the frames 44 and 46 and are subject to the frame 46. The jacks 52 and 54 are arranged parallel to the rods 32 and 34 and consequently to the parallel bars 28 and 30 to allow the relative movement of the frames 44 and 46 by sliding on the rods 32 and 34.

Le dispositif 10 comporte également des moyens d'immobilisation aptes à immobiliser l'un quelconque des bâtis mobiles 44 et 46 sur les tiges 32 et 34 et permettre ainsi le coulissement de l'autre bâti mobile sous l'action des vérins 36 et 38.The device 10 also includes immobilization means capable of immobilizing any one of the movable frames 44 and 46 on the rods 32 and 34 and thus allowing the sliding of the other movable frame under the action of the jacks 36 and 38.

Ces moyens d'immobilisation sont constitués par deux entretoises 60 et 62 affectant chacune une section en U et aptes à coiffer respectivement les deux tiges 32 et 34. Les entretoises 60 et 62 peuvent être placées soit entre le bâti 44, qui est le plus éloigné du bâti fixe 16, et les butées d'extrémité 36 et 38 (cf. partie supérieure de la Figure 1), soit entre le bâti 46, qui est le plus proche du bâti fixe 16, et les butées intermédiaires 40 et 42 (cf. partie inférieure de la Figure 1). Pour pouvoir réglei la distance intercalaire des deux abouts de rails à raccorder, il suffit d'enserrer le rail 12 avec le bâti mobile qui sera entraîné ultérieurement en déplacement le long des tiges 32 et 34 et d'enserrer le rail 14 avec le bâti fixe 16. A cet effet, le bloc central 18 du bâti fixe 16 définit un tunnel de passage de rail qui s'évase vers ses deux extrémités pour permettre de mettre en place deux coins de serrage entre les deux côtés de l'âme du rail 14 et l'extrémité du tunnel qui est la plus proche ou la plus éloignée des bâtis mobiles 44 et 46 selon qu'il convient respectivement de diminuer ou d'augmenter la distance intercalaire des deux abouts.These immobilization means are constituted by two spacers 60 and 62 each affecting a U-shaped section and capable of covering the two rods 32 and 34 respectively. The spacers 60 and 62 can be placed either between the frame 44, which is the farthest of the fixed frame 16, and the end stops 36 and 38 (cf. upper part of Figure 1), that is to say between the frame 46, which is closest to the fixed frame 16, and the intermediate stops 40 and 42 (cf. . lower part of Figure 1). To be able to regulate the intermediate distance of the two end pieces of rails to be connected, it suffices to grip the rail 12 with the movable frame which will subsequently be moved along the rods 32 and 34 and to grip the rail 14 with the fixed frame 16. To this end, the central block 18 of the fixed frame 16 defines a rail passage tunnel which widens towards its two ends to allow two clamping corners to be put in place between the two sides of the rail core 14 and the end of the tunnel which is the closest or the furthest from the movable frames 44 and 46 depending on whether it is respectively necessary to decrease or increase the intermediate distance of the two ends.

De même, les tunnels 48 et 50 des bâtis mobiles 44 et 46 sont évasés vers leur extrémité opposée à celle la plus proche de l'autre bâti mobile pour permettre de placer deux coins de serrage entre les deux côtés de l'âme du rail 12 à serrer et lé tunnel du bloc mobile coulissant.Similarly, the tunnels 48 and 50 of the movable frames 44 and 46 are flared towards their end opposite to that closest to the other movable frame to allow two clamping corners to be placed between the two sides of the web of the rail 12 to be clamped and the tunnel of the sliding mobile unit.

Dans le cas où il convient de diminuer la distance intercalaire D (cf. partie supérieure de la Figure 1) on place deux coins de serrage tels 64 entre les deux côtés de l'âme du rail 14 et le tunnel du bâti 18, vers l'extrémité du tunnel qui est la plus proche des bâtis mobiles 44 et 46 et, de même, on place deux coins de serrage tels 66 entre les deux côtés de l'âme du rail 12 et le tunnel 50 du bâti mobile 46.In the case where it is necessary to reduce the intermediate distance D (cf. upper part of FIG. 1) two clamping corners such 64 are placed between the two sides of the web of the rail 14 and the tunnel of the frame 18, towards the end of the tunnel which is closest to the movable frames 44 and 46 and, likewise, two clamping corners 66 are placed between the two sides of the web of the rail 12 and the tunnel 50 of the movable frame 46.

Après avoir placé les entretoises 60 et 62 entre les butées 36 et 38 et le bâti mobile 44, on actionne alors les vérins 52 et 54 de manière à provoquer le déplacement du bâti mobile 46 en direction du bâti fixe 16. Ce déplacement provoque le blocage des coins 66 et 64 entre les rails 12 et 14 et les bâtis 46 et 16 et par suite le rapprochement des abouts des rails 12 et 14 dans le sens des flèches F.After placing the spacers 60 and 62 between the stops 36 and 38 and the movable frame 44, the jacks 52 and 54 are then actuated so as to cause the displacement of the movable frame 46 in the direction of the fixed frame 16. This displacement causes blocking corners 66 and 64 between the rails 12 and 14 and the frames 46 and 16 and consequently the approximation of the ends of the rails 12 and 14 in the direction of the arrows F.

Dans le cas où il convient d'augmenter la distance intercalaire d (cf. partie inférieure de la Figure 1), on place deux coins de serrage 68 entre les deux côtés de l'âme du rail 14 et le tunnel du bâti fixe 16 vers l'extrémité du tunnel qui est la plus éloignée des bâtis mobiles 44 et 46 et on place deux coins de serrage tels 70 entre les deux côtés de l'âme du rail 12 et le tunnel 48 du bâti mobile 44. Pour provoquer l'augmentation de la distance intercalaire d, on place les entretoises 60 et 62 entre le bâti mobile 46 et les butées intermédiaires 40 et 42 et on actionne ensuite les vérins 52 et 54 pour provoquer le coulissement du bâti mobile 44 sur les tiges 32 et 34. Ce déplacement provoque le blocage des coins 68 et 70 et par suite l'écartement des deux abouts dans le sens des flèches G.In the case where it is necessary to increase the intermediate distance d (cf. lower part of FIG. 1), two clamping corners 68 are placed between the two sides of the web of the rail 14 and the tunnel of the fixed frame 16 towards the end of the tunnel which is furthest from the movable frames 44 and 46 and two clamping corners 70 are placed between the two sides of the web of the rail 12 and the tunnel 48 of the movable frame 44. To cause the increase of the intermediate distance d, place the spacers 60 and 62 between the movable frame 46 and the intermediate stops 40 and 42 and then actuate the jacks 52 and 54 to cause the sliding of the movable frame 44 on the rods 32 and 34. This displacement causes the corners 68 and 70 to be blocked and consequently the two ends to be separated in the direction of the arrows G.

La Figure 2 montre comment l'un des deux coins 68 est interposé entre le bloc en U 18 et l'un des côtés de l'âme du rail 14.Figure 2 shows how one of the two corners 68 is interposed between the U-shaped block 18 and one of the sides of the web of the rail 14.

Une fois l'opération de réglage effectuée, il faut rétracter les vérins 52 et 54 pour ramener le bâti mobile ayant coulissé contre le bâti mobile qui avait été Immobilisé par les entretoises 60 et 62. Pour éviter que le bâti mobile immobilisé ne coulisse alors sur les tiges 32 et 34, l'invention prévoit que les deux entretoises 60 et 62 soient pourvues chacune de deux brides d'extrémité aptes à solidariser chaque entretoise avec le bâti mobile immobilisé et la butée intermédiaire ou la butée d'extrémité de la tige correspondante.Once the adjustment operation has been carried out, the jacks 52 and 54 must be retracted to bring the movable frame which has slid back against the movable frame which had been immobilized by the spacers 60 and 62. To prevent the immobilized movable frame from sliding on the rods 32 and 34, the invention provides that the two spacers 60 and 62 are each provided with two end flanges capable of securing each spacer with the movable immobilized frame and the intermediate stop or the end stop of the corresponding rod .

Comme représenté sur la Figure 3, l'entretoise 80 est rendue solidaire de la butée d'extrémité 36 du bâti mobile 44 au moyen de deux brides d'extrémité 72 et 74 coudées, soudées sur l'entretoise et pourvues de passages traversants respectifs 78 et 78 susceptibles de coopérer avec des tétons de retenue 80 et 82 solidaires respectivement de la butée 36 et du bâti 44. Le bâti 46 et la butée intermédiaire 40 sont pourvus de tétons similaires (non représentés) pour la mise en place de l'entretoise 60 entre le bâti 46 et la butée 40.As shown in Figure 3, the spacer 80 is made integral with the end stop 36 of the movable frame 44 by means of two end flanges 72 and 74 bent, welded to the spacer and provided with respective through passages 78 and 78 capable of cooperating with retaining pins 80 and 82 integral respectively with the stop 36 and the frame 44. The frame 46 and the intermediate stop 40 are provided with similar pins (not shown) for the installation of the spacer 60 between the frame 46 and the stop 40.

Pour empêcher que l'entretoise 60 ne puisse quitter la tige 32, l'entretoise 60 est pourvue d'un orifice traversant 84 pour la mise en place d'une goupille de sûreté.To prevent the spacer 60 from leaving the rod 32, the spacer 60 is provided with a through hole 84 for the installation of a safety pin.

Comme représenté sur la Figure 1, l'entretoise 62 est pourvue également de deux brides d'extrémité 86 et 88 aptes à coopérer avec les tétons 90, 92, 94 et 96 solidaires respectivement de la butée 38 du bâti 44, du bâti 46 et de la butée 42. Bien entendu, les moyens de solidarisation des entretoises avec les bâtis mobiles et les butées peuvent être réalisés de bien d'autres manières.As shown in FIG. 1, the spacer 62 is also provided with two end flanges 86 and 88 able to cooperate with the pins 90, 92, 94 and 96 secured respectively to the stop 38 of the frame 44, of the frame 46 and of the stop 42. Of course, the means for securing the spacers with the movable frames and the stops can be produced in many other ways.

On a représenté sur la Figure 4 un wagon 98 automoteur déplaçable sur une voie ferrée 100. Ce wagon est équipé de deux appareils de manutention 102 Identiques et aptes à déplacer chacun un dispositif de réglage selon l'invention pour l'amener sur place à l'endroit où doit être effectué le raccordement. On décrira uniquement l'un des deux appareils 102. L'appareil de manutention 102 est constitué d'une potence en L 104 comprenant une branche 106 et une branche 108 à angle droit. La branche 106 est pourvue de roulettes 110 et 112 aptes à se déplacer le long d'une poutre horizontale 114 prévue à la partie supérieure du wagon et la branche 108 est pourvue à son extrémité inférieure d'une roulette 116 apte à se déplacer sur le fond du wagon 98. L'appareil de manutention 102 comporte en outre un support 118 apte à coulisser verticalement le long de la branche 108. Ce support 118 est pourvu de glissières horizontales aptes à supporter une fourche de manutention 120 pourvue de deux branches 122 susceptibles de passer à travers d'orifices ménagés dans les blocs mobiles 44 et 46 du dispositif 10. En outre, la fourche 120 peut être déplacée verticalement sous l'action d'un câble 124 entraîné par un treuil approprié (non représenté). Ainsi, la fourche 120 peut être déplacée verticalement et/ou horizontalement pour déposer le dispositif de réglage 10 à l'endroit voulu sur la voie ferrée. L'appareil de manutention 102 supportant le dispositif de réglage 10 peut être déplacé à l'intérieur du wagon et occuper la position 102' représentée en pointillé.There is shown in Figure 4 a self-propelled wagon 98 movable on a railroad 100. This wagon is equipped with two handling devices 102 Identical and able to each move an adjustment device according to the invention to bring it on site to the location where the connection is to be made. Only one of the two devices 102 will be described. The handling device 102 consists of an L-shaped bracket 104 comprising a branch 106 and a branch 108 at right angles. The branch 106 is provided with rollers 110 and 112 able to move along a horizontal beam 114 provided at the upper part of the wagon and the branch 108 is provided at its lower end with a caster 116 capable of moving on the bottom of wagon 98. The handling device 102 further comprises a support 118 capable of sliding vertically along the branch 108. This support 118 is provided with horizontal slides capable of supporting a handling fork 120 provided with two branches 122 capable of to pass through orifices made in the movable blocks 44 and 46 of the device 10. In addition, the fork 120 can be moved vertically under the action of a cable 124 driven by a suitable winch (not shown). Thus, the fork 120 can be moved vertically and / or horizontally to deposit the adjusting device 10 at the desired location on the railroad track. The handling device 102 supporting the adjustment device 10 can be moved inside the wagon and occupy the position 102 'shown in dotted lines.

Etant donné que le wagon 72 est équipé de deux dispositifs de manutention qui peuvent être actionnés indépendamment, il permet ainsi de déposer deux dispositifs de réglage sur deux endroits où il convient d'effectuer un réglage et un raccordement de rails. Il permet ainsi d'effectuer simultanément deux opérations de réglage et de raccordement sur les deux files d'une voie ferrée, même si les deux raccordements ne sont pas exactement en vis-à-vis sur la voie ferrée.Since wagon 72 is equipped with two handling devices which can be actuated independently, it thus makes it possible to deposit two adjustment devices on two places where it is advisable to carry out an adjustment and a connection of rails. It thus makes it possible to simultaneously carry out two adjustment and connection operations on the two lines of a railroad track, even if the two connections are not exactly opposite each other on the railroad track.

Le wagon 98 est pourvu d'un moteur 126 destiné à assurer le déplacement du wagon et le fonctionnement des appareils de manutention.The wagon 98 is provided with a motor 126 intended to ensure the movement of the wagon and the operation of the handling equipment.

Une fois l'opération de réglage terminée, on effectue l'opération de raccordement, le dispositif étant maintenu bloqué pour maintenir la distance intercalaire des deux abouts de rails à la valeur souhaitée. Le raccordement peut se faire par soudure, par exemple aluminothermique, ou par mise en place d'éclisses.Once the adjustment operation has been completed, the connection operation is carried out, the device being kept blocked to maintain the intermediate distance of the two rail ends at the desired value. The connection can be made by welding, for example aluminothermic, or by fitting fishplates.

Le dispositif de réglage de l'invention peut être utilisé à la pose ou à la réfection de voies ferrées.The adjustment device of the invention can be used for laying or repairing railway tracks.

Bien entendu, l'invention n'est pas limitée au mode de réalisation particulièrement décrit et représenté.Of course, the invention is not limited to the embodiment particularly described and shown.

Ainsi, au lieu d'utiliser deux vérins, on pourrait avantageusement en utiliser quatre par exemple quatre vérins identiques du commerce aptes à développer chacun une force de 30 tonnes.Thus, instead of using two cylinders, one could advantageously use four, for example four identical commercial cylinders capable of each developing a force of 30 tonnes.

De même, le dispositif de l'invention peut être déplacé sur le lieu de raccordement par tous moyens appropriés.Likewise, the device of the invention can be moved to the connection location by any suitable means.

Claims (6)

1. A device for adjusting the intercalated distance between two ends of rails (12, 14) to be joined together, comprising means capable of causing the displacement of a mobile frame with respect to a stationary frame (16), and blocking means (64, 66, 68, 70) capable of rendering the rails integral with the frames, characterised in that the device comprises a single stationary frame (16) capable of enclosing one of the two rails, two parallel bars (28, 30), one end of which is integral with the stationary frame, two mobile frames (44, 46) capable of sliding over a limited distance on the parallel bars in the vicinity of their other end and capable of enclosing the other rail, jacks (52, 54) capable of causing the relative displacement of the mobile frames on the parallel bars, immobilization means (60, 62) capable of immobilizing any one of the mobile frames on the parallel bars and of allowing the sliding of the other mobile frame on the parallel bars once the jacks have been activated, the mobile sliding frame and the stationary frame being enclosed on their respective rails to decrease or increase the intercalated distance between the two ends depending on whether the mobile sliding frame is the one which is nearest or respectively furthest away from the stationary frame.
2. A device according to claim 1, characterised in that the immobilization means comprise two braces each assuming a U-shaped cross-section and capable of respectively capping the two parallel bars either between the mobile frame furthest away from the stationary frame and an end stop (36, 38) of the bar, or between the mobile frame nearest the stationary frame and ar intermediate stop of the bar.
3. A device according to claim 2, characterised in that the two braces are each provided with two end flanges (72, 74) capable of connecting each brace with the immobilized mobile frame and the end stop or the intermediate stop of the corresponding bar.
4. A device according to one of claims 1 to 3, characterised in that the stationary frame comprises a rail passage tunnel which widens at its two ends to allow the positioning of two wedge keys (64, 68) between the two sides of the core of the rail to be gripped and the end of the tunnel which is nearest or furthest away from the mobile frames, depending on whether the intercalated distance between the two ends of rails is to be decreased or respectively increased.
5. A device according to one of claims 1 to 4, characterised in that each mobile frame comprises a rail passage tunnel which is widened towards its end opposite that nearest the other mobile frame to allow the positioning of two wedge keys (66, 70) between the two sides of the core of the rail to be gripped and the tunnel of the mobile sliding block.
6. A waggon equipped with at least one and preferably two apparatus for handling a device according to one of claims 1 to 5.
EP80400687A 1979-05-18 1980-05-16 Apparatus for adjusting the gap between two rail ends prior to joining Expired EP0019555B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80400687T ATE3888T1 (en) 1979-05-18 1980-05-16 DEVICE FOR ADJUSTING THE GAP BETWEEN TWO RAIL ENDS TO BE CONNECTED.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7912686A FR2456810A1 (en) 1979-05-18 1979-05-18 DEVICE FOR ADJUSTING THE INTERMALENT DISTANCE OF TWO CONNECTIONS OF TRACKS TO BE CONNECTED
FR7912686 1979-05-18

Publications (2)

Publication Number Publication Date
EP0019555A1 EP0019555A1 (en) 1980-11-26
EP0019555B1 true EP0019555B1 (en) 1983-06-22

Family

ID=9225626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400687A Expired EP0019555B1 (en) 1979-05-18 1980-05-16 Apparatus for adjusting the gap between two rail ends prior to joining

Country Status (10)

Country Link
US (1) US4348959A (en)
EP (1) EP0019555B1 (en)
JP (1) JPS6047402B2 (en)
AT (1) ATE3888T1 (en)
AU (1) AU529765B2 (en)
BR (1) BR8003058A (en)
CA (1) CA1148026A (en)
DE (1) DE3063859D1 (en)
FR (1) FR2456810A1 (en)
OA (1) OA06535A (en)

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DE4213288A1 (en) * 1992-04-23 1993-11-04 Elektro Thermit Gmbh HYDRAULIC PRESSURE AND DRAWING DEVICE, IN PARTICULAR FOR RAILWAY RAILWAYS

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US4421034A (en) * 1981-06-18 1983-12-20 Canron Corporation Compact bidirectionally operative tie exchanging apparatus
US4418625A (en) * 1981-06-18 1983-12-06 Canron Corporation Bidirectionally operative tie exchanging apparatus
CH654363A5 (en) * 1983-07-05 1986-02-14 Rail Wel Inc MACHINE FOR CORRECT POSITIONING AND BUTTON WELDING OF TWO END OF RAILS.
JPH0232393U (en) * 1988-08-24 1990-02-28
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
JP5840648B2 (en) * 2013-05-17 2016-01-06 保線機器整備株式会社 Rail tensioner stopper, rail tensioner, and rail seam welding method
CN111364300B (en) * 2020-03-26 2021-05-11 成都鑫都建设工程有限公司 Multifunctional construction vehicle for subway rail

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US551649A (en) * 1895-12-17 Construction of railway-tracks
US1690012A (en) * 1927-10-13 1928-10-30 John B Benton Dr Rail adjuster
US3291261A (en) * 1965-09-22 1966-12-13 Morrison L Robb Truck elevator
NL6703389A (en) * 1967-02-28 1968-08-29
US3726232A (en) * 1970-07-16 1973-04-10 Trakwork Equipment Co Track welding system
AU517045B2 (en) * 1977-07-08 1981-07-02 C. Delachaux SA Aligning and setting gap between rails
CH632948A5 (en) * 1978-11-10 1982-11-15 Schlatter Ag DEVICE FOR WELDING TWO PROFILE RODS TOGETHER.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213288A1 (en) * 1992-04-23 1993-11-04 Elektro Thermit Gmbh HYDRAULIC PRESSURE AND DRAWING DEVICE, IN PARTICULAR FOR RAILWAY RAILWAYS

Also Published As

Publication number Publication date
AU5849480A (en) 1980-11-20
OA06535A (en) 1981-07-31
BR8003058A (en) 1980-12-23
JPS6047402B2 (en) 1985-10-22
ATE3888T1 (en) 1983-07-15
CA1148026A (en) 1983-06-14
US4348959A (en) 1982-09-14
JPS55159003A (en) 1980-12-10
FR2456810A1 (en) 1980-12-12
EP0019555A1 (en) 1980-11-26
AU529765B2 (en) 1983-06-16
FR2456810B1 (en) 1982-10-29
DE3063859D1 (en) 1983-07-28

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