EP0054983B1 - Method of manufacturing concrete railway ties and elements used for carrying it out - Google Patents

Method of manufacturing concrete railway ties and elements used for carrying it out Download PDF

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Publication number
EP0054983B1
EP0054983B1 EP81201202A EP81201202A EP0054983B1 EP 0054983 B1 EP0054983 B1 EP 0054983B1 EP 81201202 A EP81201202 A EP 81201202A EP 81201202 A EP81201202 A EP 81201202A EP 0054983 B1 EP0054983 B1 EP 0054983B1
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EP
European Patent Office
Prior art keywords
component
supports
aforesaid
component according
arms
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
EP81201202A
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German (de)
French (fr)
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EP0054983A1 (en
Inventor
Frans Matthynssens
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.)
Pvba Betonkonstruktie Vd Hemiksem Personenve
Original Assignee
HEMIKSEM BETONKONST PVBA
Pvba Betonkonstruktie Vd Hemiksem PVBA
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Priority claimed from BE2/59402A external-priority patent/BE890644R/en
Application filed by HEMIKSEM BETONKONST PVBA, Pvba Betonkonstruktie Vd Hemiksem PVBA filed Critical HEMIKSEM BETONKONST PVBA
Priority to AT81201202T priority Critical patent/ATE10599T1/en
Publication of EP0054983A1 publication Critical patent/EP0054983A1/en
Application granted granted Critical
Publication of EP0054983B1 publication Critical patent/EP0054983B1/en
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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/36—Composite sleepers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members

Definitions

  • the present invention relates to a process for manufacturing railway sleepers in reinforced concrete, as well as to elements employed in the implementation of this process, and in particular, to a process for manufacturing concrete sleepers, in which is incorporated during concreting part of a combined clamping device for fixing rails, such as for example the device described in Belgian patent 882,165 of the Applicant, hereinafter called rail clamps.
  • German patent application no. 2,433,016 discloses such a process comprising the assembly, through openings provided in the bottom of a mold, of two elements of a rail clamp, the immobilization of these elements in the bottom of the mold, the introduction of 'a connecting rod through an opening in the mold wall, filling the concrete mold and incorporating the lower frame.
  • the present invention relates to a method and a device for its implementation which lend themselves to eliminating the drawbacks of known methods or devices.
  • the solution according to the invention comprises for this purpose essentially before filling a concrete mold the mounting, through openings provided in the bottom of the mold, of two parts or elements of a rail clamp which support the upper reinforcement of the crosspiece; immobilization of these elements in the bottom of the mold; where appropriate, the provision of an intermediate frame on the upper frame and the introduction of a connecting rod through an opening in the wall of the mold, the lower frame being incorporated at the right time in the usual manner and the together finally being compacted by vibration.
  • the elements used during the implementation of the method according to the invention sketched in the preceding lines and which are essentially in the form of said fixed parts of the rail clamp proper incorporated in the concrete, are steel or cast iron elements, so that, in the first alternative, at least the upper armature is fixed in an appropriate manner, for example by welding, to these elements, while, in the second alternative, these elements are provided with at least two supports for the upper frame of the cross member.
  • Each element 5 has according to the invention not only the aforesaid supports 8 and 9, but also additional internal supports 10 and 11.
  • These supports that is to say either the supports 8 and 9 as in the example shown here , or the additional supports 10 and 11, serve to support a frame respectively according to the nature of the cross member or according to that of the frame used, possibly essential.
  • a helical frame or the like 12 through which is inserted a connecting rod 13 introduced by an opening 14 of the relevant wall of the mold 1 and serving to connect two parts made in the mold 1 and mutually distant of the desired value.
  • the mold 1 is now ready for concreting.
  • the concrete poured into it is duly vibrated; after which a lower frame 15 may, if necessary, be embedded therein.
  • Figures 5 and 6 show a preferred embodiment of the elements 5. It can be seen that the supports 8, 9, 10 and 11 are in the form of notches 16, 17, 18 and 19 respectively, in which the corresponding parts take of the frame which is thus not only duly supported, but at the same time well immobilized and locked against any risk of displacement whatever the circumstances.
  • FIGS. 7 and 8 show by way of example a railway sleeper manufactured by the method and using elements according to the invention, that is to say in particular using the elements shown in Figures 5 and 6.
  • said elements 5 are generally pieces of cast iron.
  • the supports 8, 9, 10 and 11 or 16, 17, 18 and 19, can be eliminated, since the reinforcement 7 is fixed to the elements 5, by example by spot welding, before the introduction of these elements into the mold.
  • the fixing of the armature by spot welding to the elements 5 outside the mold 1 is carried out simply by placing these elements in a temporary support next to supports carrying the armature to the required height with respect to the elements during spot welding.
  • the elements 5 thus joined by the frame 7, are then introduced as they are into the mold 1, so that the manufacturing process can continue in the manner described above.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Railway Tracks (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Description

La présente invention a trait à un procédé de fabrication de traverses de chemin de fer en béton armé, ainsi qu'à des éléments employés à la mise en oeuvre de ce procédé, et en particulier, à une procédé de fabrication de traverses en béton, dans lesquelles est incorporée lors du bétonnage une partie d'un dispositif de serrage combiné pour la fixation de rails, tel que par exemple le dispositif décrit dans le brevet belge 882.165 de la Demanderesse, appelé ci-après serre-rails.The present invention relates to a process for manufacturing railway sleepers in reinforced concrete, as well as to elements employed in the implementation of this process, and in particular, to a process for manufacturing concrete sleepers, in which is incorporated during concreting part of a combined clamping device for fixing rails, such as for example the device described in Belgian patent 882,165 of the Applicant, hereinafter called rail clamps.

On sait que la fabrication des traverses de chemin de fer en béton armé s'effectue à l'aide d'un moule, dans lequel sont disposées et dûment immobilisées les susdites parties du dispositif de serrage concerné, après quoi est disposée dans la partie inférieure du moule au moins l'armature supérieure de la traverse en béton à réaliser. La demande de brevet allemande no. 2.433.016 révèle un tel procédé comportant le montage, à travers des ouvertures prévues dans le fond d'un moule, de deux éléments d'un serre-rails, l'immobilisation de ces éléments dans le fond du moule, l'introduction d'une tige de liaison par une ouverture de la paroi du moule, le remplissage du moule de béton et l'incorporation de l'armature inférieure.It is known that the manufacture of railway sleepers in reinforced concrete is carried out using a mold, in which are arranged and duly immobilized the above parts of the clamping device concerned, after which is arranged in the lower part of the mold at least the upper reinforcement of the concrete cross member to be produced. German patent application no. 2,433,016 discloses such a process comprising the assembly, through openings provided in the bottom of a mold, of two elements of a rail clamp, the immobilization of these elements in the bottom of the mold, the introduction of 'a connecting rod through an opening in the mold wall, filling the concrete mold and incorporating the lower frame.

Toutefois, ces procédés exigent que l'immobilisation de l'armature supérieure doit être effectuée à l'aide d'éléments de support provisoires, qui sont introduits à travers la paroi du moule et qui sont enlevés seulement au stade de vibration du béton, voire à la fin de ce stade, dans le double but, d'une part, de maintenir cette armature au niveau requis et, d'autre part, d'assurer le remplissage des creux formés par ces éléments de support à la fin de la vibration.However, these methods require that the immobilization of the upper reinforcement must be carried out using temporary support elements, which are introduced through the wall of the mold and which are removed only at the vibration stage of the concrete, or even at the end of this stage, for the double purpose, on the one hand, of maintaining this reinforcement at the required level and, on the other hand, of ensuring the filling of the hollows formed by these support elements at the end of the vibration .

Inutile de souligner que ce procédé connu est peu pratique et, en outre, peu économique, par suite non seulement des multiples interventions qu'il requiert, mais également de l'usure à laquelle sont soumis ces éléments de support mobiles dans le béton.Needless to say, this known process is impractical and, moreover, uneconomical, as a result not only of the multiple interventions which it requires, but also of the wear to which these mobile support elements are subjected in concrete.

Des essais ont déjà été faits pour éviter ce procédé connu et en supprimer donc les inconvénients susmentionnés en munissant le fond du moule d'éléments d'espacement de conception très simple, faits d'un matériau quelconque approprié et destinés à immobiliser les éléments de l'armature aux écarts mutuels voulus, à l'exemple de la construction routière. Cette solution présente toutefois l'inconvénient que ces éléments d'espacement restent visibles après la finition de la traverse et permettent, dans certains cas, la pénétration de l'humidité jusqu'à l'armature avec toutes les conséquences néfastes qui s'ensuivent, à savoir la corrosion de l'armature et, par conséquent, un affaiblissement inadmissible de la traverse ainsi fabriquée.Attempts have already been made to avoid this known process and therefore eliminate the aforementioned drawbacks by providing the bottom of the mold with spacers of very simple design, made of any suitable material and intended to immobilize the elements of the reinforcement with the desired mutual differences, with the example of road construction. However, this solution has the drawback that these spacing elements remain visible after the crosspiece has been finished and allow, in certain cases, the penetration of moisture up to the frame with all the harmful consequences which follow, namely corrosion of the reinforcement and, consequently, an unacceptable weakening of the cross-piece thus manufactured.

Or, la présente invention concerne un procédé et un dispositif pour sa mise en oeuvre qui se prêtent à la suppression des inconvénients des procédés ou dispositifs connus.However, the present invention relates to a method and a device for its implementation which lend themselves to eliminating the drawbacks of known methods or devices.

La solution selon l'invention comporte à cet effet essentiellement avant le remplissage d'un moule de béton le montage, à travers d'ouvertures prévues dans le fond du moule, de deux parties ou éléments d'un serre-rails qui supportent l'armature supérieure de la traverse; l'immobilisation de ces éléments dans le fond du moule; le cas échéant, la disposition d'une armature intermédiaire sur l'armature supérieure et l'introduction d'une tige de liaison par une ouverture de la paroi du moule, l'armature inférieure étant incorporée au bon moment de manière habituelle et l'ensemble étant finalement compacté par vibration.The solution according to the invention comprises for this purpose essentially before filling a concrete mold the mounting, through openings provided in the bottom of the mold, of two parts or elements of a rail clamp which support the upper reinforcement of the crosspiece; immobilization of these elements in the bottom of the mold; where appropriate, the provision of an intermediate frame on the upper frame and the introduction of a connecting rod through an opening in the wall of the mold, the lower frame being incorporated at the right time in the usual manner and the together finally being compacted by vibration.

Les éléments employés lors de la mise en oeuvre du procédé selon l'invention esquissé dans les lignes précédentes et se présentant essentiellement sous forme desdites parties fixes du serre-rails proprement dit incorporées dans le béton, sont des éléments d'acier ou de fonte, de manière que, dans la première alternative, au moins l'armature supérieure est fixée de manière appropriée, par exemple' par soudage, à ces éléments, tandis que, dans la seconde alternative, ces éléments sont munis d'au moins deux appuis pour l'armature supérieure de la traverse.The elements used during the implementation of the method according to the invention sketched in the preceding lines and which are essentially in the form of said fixed parts of the rail clamp proper incorporated in the concrete, are steel or cast iron elements, so that, in the first alternative, at least the upper armature is fixed in an appropriate manner, for example by welding, to these elements, while, in the second alternative, these elements are provided with at least two supports for the upper frame of the cross member.

Les caractéristiques et avantages de la solution selon l'invention ressortiront plus clairement de la description détaillée suivante de quelques exemples d'exécution donnés sans la moindre intention restrictive avec référence aux dessins annexés, où:

  • la figure 1 représente en coupe verticale longitudinale un moule servant à la mise en oeuvre du procédé selon l'invention;
  • la figure 2 représente une coupe pratiquée suivant la ligne II-II de la figure 1;
  • la figure 3 représente une coupe analogue à celle de la figure 1, mais après disposition de l'armature supérieure de la traverse, ainsi que d'une armature intermédiaire dans le moule;
  • la figure 4 représente une coupe pratiquée suivant la ligne IV-IV de la figure 3;
  • les figures 5 et 6 représentent respectivement une vue frontale et une vue latérale d'un élément selon l'invention;
  • la figure 7 représente une vue latérale d'une des extrémités d'une traverse en béton armé, fabriquée par le procédé et avec les éléments selon l'invention; et
  • la figure 8 représente une coupe pratiquée suivant la ligne VIII-VIII de la figure 7.
  • La figure 1 représente un moule 1, muni en bas d'ouvertures 2 et 3, dans lesquelles peuvent être disposées de manière adéquate les parties 4, normalement saillantes de la traverse, des éléments inférieurs 5 d'un serre-rails. Ces éléments 5 sont pourvus d'un collet 6 servant à assurer, de manière aussi simple qu'efficace, leur immobilité dans lesdites ouvertures 2 et 3.
The characteristics and advantages of the solution according to the invention will emerge more clearly from the following detailed description of a few exemplary embodiments given without any restrictive intention with reference to the appended drawings, where:
  • Figure 1 shows a longitudinal vertical section of a mold for the implementation of the method according to the invention;
  • 2 shows a section taken along the line II-II of Figure 1;
  • Figure 3 shows a section similar to that of Figure 1, but after arrangement of the upper frame of the cross member, as well as an intermediate frame in the mold;
  • Figure 4 shows a section taken on the line IV-IV of Figure 3;
  • Figures 5 and 6 respectively show a front view and a side view of an element according to the invention;
  • FIG. 7 represents a side view of one of the ends of a reinforced concrete cross member, manufactured by the method and with the elements according to the invention; and
  • FIG. 8 represents a section made along the line VIII-VIII of FIG. 7.
  • FIG. 1 represents a mold 1, provided at the bottom with openings 2 and 3, in which the parts 4, normally projecting of the cross member, of the lower elements 5 of a rail clamp, can be suitably arranged. These elements 5 are provided with a collar 6 used to ensure, as simply and effectively as possible, their immobility in said openings 2 and 3.

Ces éléments sont également fixés en dehors du moule 1 de manière non représentée.These elements are also fixed outside the mold 1 in a manner not shown.

On introduit ensuite dans le moule 1 l'armature supérieure 7 de la traverse à fabriquer et on la dispose sur un appui, respectivement 8 et 9, de chaque élément 5, de manière à réaliser et à maintenir automatiquement l'écartement requis de cette armature par rapport au fond du moule 1.Then introduced into the mold 1 the upper frame 7 of the crosspiece to be manufactured and it is placed on a support, respectively 8 and 9, of each element 5, so as to achieve and automatically maintain the required spacing of this frame relative to the bottom of the mold 1.

Chaque élément 5 présente selon l'invention non seulement les susdits appuis 8 et 9, mais également des appuis intérieures supplémentaires 10 et 11. Ces appuis, c'est-à-dire soit les appuis 8 et 9 comme dans l'exemple ici représenté, soit les appuis supplémentaires 10 et 11, servent à soutenir une armature respectivement selon la nature de la traverse ou selon celle de l'armature employée, éventuellement indispensable.Each element 5 has according to the invention not only the aforesaid supports 8 and 9, but also additional internal supports 10 and 11. These supports, that is to say either the supports 8 and 9 as in the example shown here , or the additional supports 10 and 11, serve to support a frame respectively according to the nature of the cross member or according to that of the frame used, possibly essential.

Sur cette armature 7 est ensuite placée une armature hélicoïdale ou similaire 12, à travers laquelle est insérée une tige de liaison 13 introduite par une ouverture 14 de la paroi concernée du moule 1 et servant à relier deux parties réalisées dans le moule 1 et mutuellement distantes de la valeur voulue.On this frame 7 is then placed a helical frame or the like 12, through which is inserted a connecting rod 13 introduced by an opening 14 of the relevant wall of the mold 1 and serving to connect two parts made in the mold 1 and mutually distant of the desired value.

Le moule 1 est maintenant prêt au bétonnage. Le béton y coulé est dûment vibré; après quoi une armature inférieure 15 pourra, le cas échéant, y être noyée.The mold 1 is now ready for concreting. The concrete poured into it is duly vibrated; after which a lower frame 15 may, if necessary, be embedded therein.

On voit de ce qui précède qu'on obtient ainsi non seulement un procédé de fabrication de traverses de chemin de fer en béton armé particulièrement simple et efficace, mais également un moule de bétonnage des plus simples et pratiques, dans lequel l'armature supérieure 7 est dûment immobilisée, sans le moindre risque de déplacement et en des circonstances .opjjrnales, à la distance voulue du fond du moule 1 à l'aide d'éléments solidaires du serre-rails et munis d'appuis appropriés servant à supporter l'armature.We see from the above that we thus obtain not only a particularly simple and effective method of manufacturing railway sleepers in reinforced concrete, but also a very simple and practical concreting mold, in which the upper reinforcement 7 is duly immobilized, without the slightest risk of displacement and in .op j jrnales circumstances, at the desired distance from the bottom of the mold 1 using elements integral with the rail clamp and provided with appropriate supports serving to support the frame.

Les figures 5 et 6 représentent un mode d'exécution préféré des éléments 5. On voit que les appuis 8, 9, 10 et 11 se présentent sous forme d'encoches respectivement 16, 17, 18 et 19, dans lesquelles prennent les parties correspondantes de l'armature qui est ainsi non seulement dûment supportée, mais en même temps bien immobilisée et bloquée contre tout risque de déplacement quelles que soient les circonstances.Figures 5 and 6 show a preferred embodiment of the elements 5. It can be seen that the supports 8, 9, 10 and 11 are in the form of notches 16, 17, 18 and 19 respectively, in which the corresponding parts take of the frame which is thus not only duly supported, but at the same time well immobilized and locked against any risk of displacement whatever the circumstances.

Enfin, les figures 7 et 8 représentent à titre d'exemple une traverse de chemin de fer fabriquée par le procédé et à l'aide d'éléments selon l'invention, c'est-à-dire en particulier à l'aide des éléments représentés par les figures 5 et 6.Finally, FIGS. 7 and 8 show by way of example a railway sleeper manufactured by the method and using elements according to the invention, that is to say in particular using the elements shown in Figures 5 and 6.

En ce qui concerne les modes d'exécution décrits dans les lignes précédentes, lesdits éléments 5 sont généralement des pièces de fonte. Par contre, si ces éléments 5 sont des pièces d'acier, les appuis 8, 9, 10 et 11 ou 16, 17, 18 et 19, peuvent être supprimés, étant donné que l'armature 7 est fixée aux éléments 5, par exemple par soudure par points, avant l'introduction de ces éléments dans le moule.With regard to the embodiments described in the preceding lines, said elements 5 are generally pieces of cast iron. On the other hand, if these elements 5 are pieces of steel, the supports 8, 9, 10 and 11 or 16, 17, 18 and 19, can be eliminated, since the reinforcement 7 is fixed to the elements 5, by example by spot welding, before the introduction of these elements into the mold.

En effet, la fixation de l'armature par soudure par points aux éléments 5 en dehors du moule 1 s'effectue simplement en plaçant ces éléments dans un support provisoire à côté d'appuis portant l'armature à la hauteur requise par rapport aux éléments pendant le soudage par points. Les éléments 5 ainsi réunis par l'armature 7, sont ensuite introduits tels quels dans le moule 1, de sorte que le processus de fabrication peut se poursuivre de la manière décrite ci-dessus.Indeed, the fixing of the armature by spot welding to the elements 5 outside the mold 1 is carried out simply by placing these elements in a temporary support next to supports carrying the armature to the required height with respect to the elements during spot welding. The elements 5 thus joined by the frame 7, are then introduced as they are into the mold 1, so that the manufacturing process can continue in the manner described above.

Il va sans dire que l'invention ne se limite pas aux exemples de mise en oeuvre décrits dans les lignes précédentes, mais en prévoit des variations, des additions et des adaptations en ce qui concerne la forme et les dimensions de la traverse concernée fabriquée à l'aide desdits éléments, évidemment à condition que soit respecté son principe général et que ne soient pas dépassées ses limites, définies par les revendications formulées ci-après.It goes without saying that the invention is not limited to the examples of implementation described in the preceding lines, but provides for variations, additions and adaptations thereof with regard to the shape and dimensions of the crosspiece concerned manufactured at using these elements, obviously provided that its general principle is respected and that its limits are not exceeded, defined by the claims formulated below.

Claims (14)

1. Manufacturing process for railway sleepers made out of reinforced concrete, comprising before filling a mould with concrete the mounting, through apertures (2, 3) provided for in the bottom of the mould (1), of two parts or components (5) of a rail-plate; the immobilization of these components (5) in the bottom of the mould; the arrangement at a certain distance from the bottom of the mould of the upper armature (7); eventually, the arrangement of an intermediate armature (12) on the upper armature (7), characterized in that the upper armature is sustained by the aforesaid components (5).
2. Process according to claim 1, characterized in that the upper armature is arranged on supports (8, 9; 10, 11) which the aforesaid components (5) are provided with for this purpose.
3. Process according to claim 1, characterized in that the upper armature is preliminary fixed by welding to the aforesaid components (5).
4. Use of a component in the application of the process according to one of the claims 1-3, characterized in that the component in question is a fixed component (5) of a rail-plate, the part of which that is embedded in the concrete shows a U-profile.
5. Component according to claim 4, characterized in that the part embedded in the concrete shows at least two supports (8, 9; 10, 11) used for supporting the aforesaid upper armature (7) of the sleeper.
6. Component according to claim 5, characterized in that the opposed outer faces of the arms of each U-shaped component (5), are each provided with one of the aforesaid supports (8, 9).
7. Component according to claim 5, characterized in that the opposed inner faces of the arms of each U-shaped component (5), are each provided with one of the aforesaid supports (10, 11
8. Component according to claim 5, characterized in that the opposed outer and inner faces of the arms of each U-shaped component (5) are each provided with one of the aforesaid supports (8, 9; 10, 11).
9. Component according to claim 8, characterized in that the supports (8, 9) shown by the outside faces of the arms are located at a level that is different from the one of the supports (10, 11) shown by the inside faces of the latter.
10. Component according to one or another of the claims 5-9, characterized in that each of the aforesaid supports (8, 9; 10, 11) presents itself in the shape of a local broadening of the arms of the component (5).
11. Component according to one or another of the claims 5-10, characterized in that each of the aforesaid supports (8, 9; 10, 11) presents itself in the shape of a groove or recess (16, 17, 18, 19) of the arms of the component (5).
12. Component according to claim 11, characterized in that these grooves or recesses (16, 17, 18, 19) have a semi-cylindrical shape.
13. Component according to one of the claims 4-12, characterized in that the component in question is a part made of cast iron.
14. Component according to one of the claims 4-12, characterized in that the component in question is a part made of steel.
EP81201202A 1980-12-24 1981-10-29 Method of manufacturing concrete railway ties and elements used for carrying it out Expired EP0054983B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81201202T ATE10599T1 (en) 1980-12-24 1981-10-29 METHOD OF PRODUCTION OF RAILWAY CONCRETE SLEEPERS AND ELEMENTS APPLIED FOR ITS IMPLEMENTATION.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE2058926 1980-12-24
BE2058926 1980-12-24
BE2/59402A BE890644R (en) 1981-10-06 1981-10-06 Method of realizing concrete sleepers for railways and elements used in this method
BE2059402 1981-10-06

Publications (2)

Publication Number Publication Date
EP0054983A1 EP0054983A1 (en) 1982-06-30
EP0054983B1 true EP0054983B1 (en) 1984-12-05

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EP81201202A Expired EP0054983B1 (en) 1980-12-24 1981-10-29 Method of manufacturing concrete railway ties and elements used for carrying it out

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EP (1) EP0054983B1 (en)
AU (1) AU546264B2 (en)
DE (1) DE3167654D1 (en)
DK (1) DK152099C (en)
FI (1) FI73919C (en)
HU (1) HU185500B (en)
MX (1) MX159730A (en)
NO (1) NO830080L (en)
OA (1) OA07303A (en)
RO (1) RO87730A (en)
WO (1) WO1982002167A1 (en)

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OA07303A (en) 1987-01-31
WO1982002167A1 (en) 1982-07-08
FI73919B (en) 1987-08-31
MX159730A (en) 1989-08-11
DK152099C (en) 1988-06-27
RO87730B (en) 1985-10-02
NO830080L (en) 1983-01-12
DE3167654D1 (en) 1985-01-17
AU546264B2 (en) 1985-08-22
DK152099B (en) 1988-02-01
DK14783A (en) 1983-01-14
HU185500B (en) 1985-02-28
US4737333A (en) 1988-04-12
RO87730A (en) 1985-10-31
FI830001L (en) 1983-01-03
EP0054983A1 (en) 1982-06-30
FI73919C (en) 1987-12-10
FI830001A0 (en) 1983-01-03
DK14783D0 (en) 1983-01-14
AU8000282A (en) 1982-07-20

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