EP0085179A2 - Apparatus for winding quadrangular wire-mesh - Google Patents

Apparatus for winding quadrangular wire-mesh Download PDF

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Publication number
EP0085179A2
EP0085179A2 EP82111843A EP82111843A EP0085179A2 EP 0085179 A2 EP0085179 A2 EP 0085179A2 EP 82111843 A EP82111843 A EP 82111843A EP 82111843 A EP82111843 A EP 82111843A EP 0085179 A2 EP0085179 A2 EP 0085179A2
Authority
EP
European Patent Office
Prior art keywords
mesh
chain
supports
wheels
strand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP82111843A
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German (de)
French (fr)
Other versions
EP0085179A3 (en
Inventor
Pierre Pilboue
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.)
Trefileries Et Cableries Chiers-Chatillon-Gorcy SA
Original Assignee
Trefileries Et Cableries Chiers-Chatillon-Gorcy SA
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Publication date
Application filed by Trefileries Et Cableries Chiers-Chatillon-Gorcy SA filed Critical Trefileries Et Cableries Chiers-Chatillon-Gorcy SA
Publication of EP0085179A2 publication Critical patent/EP0085179A2/en
Publication of EP0085179A3 publication Critical patent/EP0085179A3/en
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F33/00—Tools or devices specially designed for handling or processing wire fabrics or the like
    • B21F33/002—Coiling or packing wire network
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S242/00—Winding, tensioning, or guiding
    • Y10S242/03—Coreless coilers

Definitions

  • the present invention relates to a device for a roll-up of a single-twist mesh in which the rows of meshes are folded back on themselves around their center line of articulation, alternately in one direction and in the other so as to obtain a sort of folding accordion, as well as a folding device capable of being used in this winding device to fold on themselves, around their median line of articulation, the rows of stitches of such a mesh , that is to say, to obtain the aforementioned accordion folding.
  • Such mesh rolls are known from French Patent No. 1,594,975.
  • This patent describes a device allowing such a rolling of a single-twist wire mesh.
  • This device comprises two spool winding drums arranged downstream of an advance drum bringing the wire mesh from a manufacturing installation. The peripheral linear speed of these winding drums is reduced to a fraction of that of the feed drum so that the wire roll which forms in the V-shaped area between the two winding drums is shaped as this is stated above.
  • This device is generally satisfactory but has the drawback, however, that, in order to obtain a suitable ordering of the links, the mesh must be brought to low speed and that consequently the usual manufacturing installations must operate at a speed lower than their speed. nominal resulting in a significant decrease in their performance.
  • the present invention aims to provide a roll setting device which can be used downstream of a plant for manufacturing single-twist mesh operating at its nominal speed and making it possible to obtain more regular windings than known devices, and provides for this purpose a device for folding down on themselves the rows of meshes of such a mesh supplied in the form of an extended tablecloth.
  • a device for folding down on themselves around their median line of articulation the rows of meshes of a single twist mesh fed in the form of an extended ply is characterized in that it comprises at least two supports for said mesh ply, elongated in the direction of supply of the mesh and separated from each other by a distance substantially equal to a multiple of the diagonal of the mesh of the mesh considered.
  • Said supports can, for example with the horizontal, form an angel of 40 ° in order to ensure the advancement of the web during folding and, to facilitate folding.
  • said supports each comprise an angle iron having an edge directed upwards.
  • Said angles preferably extend from the outlet drum of an installation for manufacturing such a mesh, and curved bars are fixed to the upstream ends of the angles and are partially wound around said drum.
  • said supports each comprise a strand of a member such as a chain.
  • Said chain is then preferably driven by a longitudinal speed lower than the feeding speed of the mesh.
  • said strand of the member such as a chain is substantially in the extension of the edge of said angle.
  • the invention also relates to a device for a roll-up of a single-twist mesh in which the rows of meshes are folded back on themselves around their median line of articulation, characterized in that it comprises a device as described above.
  • Such a roll-up device may comprise means for receiving formed from at least two V-shaped assemblies each of two strands of a member such as a chain, said supports then comprising the upstream strand of said shaped assemblies.
  • the portion of the simple twist wire mesh shown in FIG. 1 is formed by a plurality of strands of metal wire 101, 102, 103 and 104. Each wire forms a broken line so that it lies entwined on one of its sides with the thread which precedes it and on the other side with the thread which follows it, thus forming diagonal stitches d.
  • FIG. 2 represents a mesh ply such as the ply 100 after the rows of stitches have been folded back on themselves around their median line of articulation.
  • the row formed by the son 101 and 102 is folded around the line 105 then the row of stitches formed by the threads 102 and 103 is folded around the line 106 in the opposite direction and the row of stitches formed by the wires 103 and 104 is connected around the line 107 in the same direction as the row formed by the wires 101 and 102.
  • FIG. 2 If the structure of FIG. 2 is wound up on itself, a roller 50 is obtained, part of which is shown in FIG. 3.
  • the external generatrices of this roller form, as shown in this figure, a succession of chevrons 53, with inner edges 51 and outer edges 52.
  • the device according to the invention shown in Figures 4 to 6 comprises a frame 1 disposed downstream of a single twist wire mesh installation, of which only the outlet drum 2 is shown in the drawings.
  • the output drum 2 rotates when this installation is in operation at a speed which is a function of the predetermined speed at which the mesh is produced and advances at the output of this installation.
  • the mesh is therefore provided at this speed by the outlet drum 2 in the form of an extended ply. This ply is guided laterally by means of two cheeks 3 mounted on the outlet drum 2.
  • the frame 1 carries immediately downstream of the drum 2 a bar 4 and downstream of this bar 4 a second bar 5.
  • the angles 6 are distributed along the bars 4 and 5 between the cheeks 3 at approximately regular intervals.
  • the distances which separate the different angles 6 from each other are substantially equal to a multiple of the diagonal of the mesh of the mesh which is to be rolled.
  • curved bars 14 are fixed to the upstream ends of the angles 9 and are partially wound around the drum 2.
  • the device also comprises a drive shaft 10 which carries a chain wheel 11 capable of cooperating via a chain 12 with another chain wheel 13 (FIG. 4) mounted on the shaft of the output drum 2.
  • a drive shaft 10 which carries a chain wheel 11 capable of cooperating via a chain 12 with another chain wheel 13 (FIG. 4) mounted on the shaft of the output drum 2.
  • Another shaft 16 is mounted in the frame 1 and carries a chain wheel 17.
  • This wheel 17 is provided to cooperate with a chain wheel 18 (FIG. 5) mounted on the shaft 10 at its end opposite to the wheel 11.
  • the wheel 18 therefore drives the wheel 17 and therefore the shaft 16 at a speed which depends on the ratio existing between the wheels 17 and 18.
  • a tensioning pinion 20 whose axis is capable of sliding in slides 21 mounted on the frame 1 makes it possible to ensure the tension of the chain 19 for different ratios of the wheels 17 and 18. It is thus possible to adjust the ratio of the rotational speeds of the shaft 16 and of the output drum 2 of the installation for manufacturing the mesh .
  • the shaft 16 carries a plurality of upstream chain wheels 24 which are arranged on this shaft so that each is located outside one of the angles 6.
  • articulated arms 27 at the ends of which downstream chain wheels 28 are mounted are rotatably mounted around bearings 31 concentric with the shaft 23 and consequently with chain wheels 26, these bearings being carried by the plates 39.
  • the arms 27 are secured to each other in rotation by a shaft 29 passing through the axes of the wheels 28.
  • levers 30 integral with the arms 27 are also capable of pivoting around the bearings 31 and carry at their end chain wheels which are located in the same planes as the wheels 28.
  • the arms 27 and the levers 30 which are integral with each other are arranged on the bearings 31 so that the wheels 28 and 32 are located in the same planes as the wheels 24, 25 and 26.
  • Another shaft 33 is carried by the frame 1 and supports chain wheels 34 each arranged in one of the planes defined by the wheels 24, 25, 26, 28 and 32.
  • the shaft 35 carries two cheeks 36 mounted on sliding bearings 37 and capable of being adjusted to lie in the same plane as the cheeks 3 of the output drum 2.
  • the cheeks 36 can be fixed in position by means of members 38 provided on the bearings 37.
  • each plate 39 has a groove 40 (FIG. 4), in which the axis of a chain wheel 41 can slide.
  • the axis of the wheel 41 is biased downwards, that is to say say on the side opposite to the wheels 24 and 28 relative to the wheels 25 and 26, by a spring 42, one end of which is mounted on the axis of the wheel 41 and the other end is integral with an extension 43 of the plate 39.
  • chains 44 pass over each of the sets of wheels 24, 25, 26, 28, 33 and 41. Between the wheels 24 and 25 on the one hand and the wheels 26 and 28 on the other hand, the strands 45 and 46 respectively of the chain form a V as can be seen in FIG. 4.
  • the upstream strand 45 which is substantially in the extension of the upper edges of the angles 6 makes an angle of substantially 40 ° with the horizontal and the downstream strand 46 makes itself with the strand 45 an angle which is also substantially equal to 40 °.
  • shaft 5 is mounted movable in rotation relative to the frame 1 which can be actuated using a counterweight 47.
  • Fingers 48 are integral with the axis 5 so that they pivot with the latter when the counterweight 47 is tilted.
  • the reels 60 make it possible to wind the wires at the same time as the wire mesh.
  • These threads which facilitate the folding of the meshes and ensure their ordering therefore make it possible to perfect the herringbone configuration of the roller. Furthermore, they make it possible to maintain the meshes during the rotation of the roller and facilitate the correct unwinding thereof, during its use.
  • this ratio can be equal to 0.25.
  • the counterweight 47 being in a position such that the fingers 48 are erased relative to the angles 6, the mesh is brought on these angles to the strand 45 of the chains 44.
  • the device is in the configuration shown in Figure 7 with strands 45 and 46 stretched and the axes of the wheels 41 at the bottom slides 40 where they are held by the traction of the springs 42.
  • the normal position for the arms 27 and the levers 30 is that shown in FIG. 7 in which the strands 45 and 46 form a V and in which the wheels 32 are separated from the arm 45.
  • the wire mesh is interrupted between the output drum 2 and the axis 5 and the fingers 48 are tilted in the position shown in FIG. 4. Consequently the part of the wire located downstream of the interruption completes the roller 50 while the upstream part is blocked by the fingers 48, so that the mesh can continue to be fed by the output drum 2 during the maneuver described below during which the roller 50 is removed from the device.
  • the set of arms 27 is tilted downwards in the position shown in FIG. 9, driving with it the shaft 29 and the chain wheels 28. In this movement, the levers 30 are also tilted and they drive the wheels 32 .
  • the strand 46 of the chain 44 becomes substantially horizontal while the wheel 32 deforms the strand 45 which thus causes the roller 50 to tip over onto the horizontal strands 46 from which it can be removed.
  • the arms 27 are then returned to the position they occupy in FIGS. 4 and 7.
  • the fingers 48 are again retracted so that a new grid of mesh comes to take place between the strands 45 and 46 where it begins to s' wrap as described with reference to figure 7.
  • the invention therefore provides a device for putting a single-twist mesh in a compact roll, without it being necessary to stop the installation for manufacturing this mesh during the handling of the finished rolls. It has also been found that it is thus possible to obtain a very high regularity of winding.

Abstract

Dispositif pour rabattre sur eux-mêmes, autour de leurs lignes médianes d'articulation, les rangs de malles d'un grillage à simple torsion alimenté sour forme d'une nappe en extension. Ce dispositif comporte au moins deux supports (6,45) pour ladite nappe de grillage, allongés dans la direction d'alimentation du grillage, et séparés les uns des autres d'une distance sensiblement égale à un multiple de la diagonale de la maille du grillage considéré.Device for folding down on themselves, around their median lines of articulation, the rows of trunks of a single-twist mesh fed in the form of an extended sheet. This device comprises at least two supports (6,45) for said grid of mesh, elongated in the direction of supply of the mesh, and separated from each other by a distance substantially equal to a multiple of the diagonal of the mesh of wire mesh considered.

Description

La présente invention concerne un dispositif pour une mise en rouleau de grillage à simple torsion dans laquelle les rangs de mailles sont rabattus sur eux-mêmes autour de leur ligne médiane d'articulation, alternativement dans un sens et dans l'autre de manière à obtenir une sorte de pliage en accordéon, ainsi qu'un dispositif de rabattement susceptible d'être utilisé dans ce dispositif d'enroulement pour rabattre sur eux-mêmes, autour de leur ligne médiane d'articulation, les rangs de mailles d'un tel grillage, c'est-à-dire, pour obtenir le pliage en accordéon précité.The present invention relates to a device for a roll-up of a single-twist mesh in which the rows of meshes are folded back on themselves around their center line of articulation, alternately in one direction and in the other so as to obtain a sort of folding accordion, as well as a folding device capable of being used in this winding device to fold on themselves, around their median line of articulation, the rows of stitches of such a mesh , that is to say, to obtain the aforementioned accordion folding.

De tels rouleaux de grillage sont connus par le brevet français n° 1.594.975. Ce brevet décrit un dispositif permettant une telle mise en rouleau de grillage à simple torsion. Ce dispositif comporte deux tambours d'enroulement à picots disposés en aval d'un tambour d'avance amenant la nappe de grillage depuis une installation de fabrication. La vitesse linéaire périphérique de ces tambours d'enroulement est réduite à une fraction de celle du tambour d'avance de sorte que le rouleau de grillage qui vient se former dans la zone en forme V située entre les deux tambours d'enroulement est conformé comme cela est indiqué ci-dessus.Such mesh rolls are known from French Patent No. 1,594,975. This patent describes a device allowing such a rolling of a single-twist wire mesh. This device comprises two spool winding drums arranged downstream of an advance drum bringing the wire mesh from a manufacturing installation. The peripheral linear speed of these winding drums is reduced to a fraction of that of the feed drum so that the wire roll which forms in the V-shaped area between the two winding drums is shaped as this is stated above.

Ce dispositif donne de manière générale satisfaction mais présente toutefois l'inconvénient que, pour obtenir un ordonnancement convenable des maillons, le grillage doit être amené à faible vitesse et qu'en conséquence les installations de fabrication usuelles doivent fonctionner à une vitesse inférieure à leur vitesse nominale d'où il résulte une diminution notable de leur rendement.This device is generally satisfactory but has the drawback, however, that, in order to obtain a suitable ordering of the links, the mesh must be brought to low speed and that consequently the usual manufacturing installations must operate at a speed lower than their speed. nominal resulting in a significant decrease in their performance.

On connait également par le brevet français n° 1.492.676, un dispositif d'enroulement de grillage dans lequel une courroie de réception avance à une vitesse inférieure à celle de l'alimentation du grillage. Ce dispositif conduit toutefois à un résultat différent du résultat recherché puisque les mailles sont alors tassées les unes contre les autres et non pas rabattues autour de leur ligne médiane d'articulation.Also known from French Patent No. 1,492,676 is a mesh winding device in which a receiving belt advances at a speed lower than that of the feeding of the mesh. However, this device leads to a different result from the desired result since the meshes are then packed against each other and not folded around their median line of articulation.

La présente invention vise à fournir un dispositif de mise en rouleaux qui puisse être utilisé en aval d'une installation de fabrication de grillage à simple torsion fonctionnant à sa vitesse nominale et permettant d'obtenir des enroulements plus réguliers que les dispositifs connus, et fournit à cet effet un dispositif pour rabattre sur eux-mêmes les rangs de mailles d'un tel grillage alimenté sous forme d'une nappe en extension.The present invention aims to provide a roll setting device which can be used downstream of a plant for manufacturing single-twist mesh operating at its nominal speed and making it possible to obtain more regular windings than known devices, and provides for this purpose a device for folding down on themselves the rows of meshes of such a mesh supplied in the form of an extended tablecloth.

Selon l'invention, un dispositif pour rabattre sur eux-mêmes autour de leur ligne médiane d'articulation les rangs de mailles d'un grillage à simple torsion alimenté sous forme d'une nappe en extension est caractérisé par le fait qu'il comporte au moins deux supports pour ladite nappe de grillage, allongés dans la direction d'alimgntation du grillage et séparés les uns des autres d'une distance sensiblement égale à un multiple de la diagonale de la maille des grillages considérés.According to the invention, a device for folding down on themselves around their median line of articulation the rows of meshes of a single twist mesh fed in the form of an extended ply is characterized in that it comprises at least two supports for said mesh ply, elongated in the direction of supply of the mesh and separated from each other by a distance substantially equal to a multiple of the diagonal of the mesh of the mesh considered.

La déposante a en effet constaté que, d'une façon surprenante, un grillage ainsi supporté tente à se plier de lui même en accordéon sous l'effet de son propre poids.The applicant has in fact found that, surprisingly, a mesh thus supported attempts to fold itself into an accordion under the effect of its own weight.

Lesdits supports peuvent faire par exemple avec l'horizontale un ange de 40° afin d'assurer l'avancée de la nappe en cours de pliage et, de faciliter le rabattement.Said supports can, for example with the horizontal, form an angel of 40 ° in order to ensure the advancement of the web during folding and, to facilitate folding.

Dans un mode de réalisation particulier de l'invention, lesdits supports comportent chacun une cornière présentant une arête dirigée vers le haut.In a particular embodiment of the invention, said supports each comprise an angle iron having an edge directed upwards.

Lesdites cornières s'étendent de préférence à partir du tambour de sortie d'une installation de fabrication d'un tel grillage, et des barres recourbées sont fixées aux extrémités amont des cornières et s'enroulent partiellement autour dudit tambour.Said angles preferably extend from the outlet drum of an installation for manufacturing such a mesh, and curved bars are fixed to the upstream ends of the angles and are partially wound around said drum.

Selon un autre mode de réalisation, lesdits supports comprennent chacun un brin d'un organe tel qu'une chaîne.According to another embodiment, said supports each comprise a strand of a member such as a chain.

Ladite chaîne est alors de préférence animée d'une vitesse longitudinale inférieure à la vitesse d'alimentation du grillage.Said chain is then preferably driven by a longitudinal speed lower than the feeding speed of the mesh.

Dans un mode de réalisation combinant les deux modes de réalisation mentionnés précédemment, ledit brin de l'organe tel qu'une chaîne est sensiblement dans le prolongement de l'arête de ladite cornière.In an embodiment combining the two embodiments mentioned above, said strand of the member such as a chain is substantially in the extension of the edge of said angle.

L'invention a également pour objet un dispositif pour une mise en rouleau de grillage à simple torsion dans laquelle les rangs de mailles sont rabattus sur eux-mêmes autour de leur ligne médiane d'articulation, caractérisé par le fait qu'il comprend un dispositif tel que décrit ci-dessus.The invention also relates to a device for a roll-up of a single-twist mesh in which the rows of meshes are folded back on themselves around their median line of articulation, characterized in that it comprises a device as described above.

Un tel dispositif de mise en rouleau peut comprendre des moyens de réception formés d'au moins deux ensembles en forme de V de chacun deux brins d'un organe tel qu'une chaîne, lesdits supports comprenant alors le brin amont desdits ensembles en forme de V.Such a roll-up device may comprise means for receiving formed from at least two V-shaped assemblies each of two strands of a member such as a chain, said supports then comprising the upstream strand of said shaped assemblies. V.

On décrira maintenant à titre d'exemple purement limitatif un mode de réalisation particulier de l'invention en référence aux dessins schématiques annexés dans lequels :

  • - la figure 1 est une vue en plan d'une portion de nappe de grillage à simple torsion,
  • - la figure 2 est une vue de côté d'une pluralité de rangs de mailles après qu'ils aient été rabattus eux-mêmes,
  • - la figure 3 est une vue partielle d'un rouleau obtenu à l'aide du dispositif selon l'invention,
  • - la figure 4 est une vue de côté d'un dispositif selon l'invention,
  • - la figure 5 est une vue de face de ce dispositif,
  • - la figure 6 est une vue de dessus de ce dispositif,
  • - la figure 7 est un schéma de principe représentant un élément du dispositif selon l'invention dans une première configuration,
  • - la figure 8 est une vue similaire à la figure 4, représentant le même élément dans une seconde configuration et,
  • - la figure 9 est une vue similaire aux figures 4 et 5 représentant le même élément dans une troisième configuration.
A particular embodiment of the invention will now be described by way of purely limiting example, with reference to the appended schematic drawings in which:
  • FIG. 1 is a plan view of a portion of a simple twist wire mesh,
  • FIG. 2 is a side view of a plurality of rows of stitches after they have been folded down themselves,
  • FIG. 3 is a partial view of a roller obtained using the device according to the invention,
  • FIG. 4 is a side view of a device according to the invention,
  • FIG. 5 is a front view of this device,
  • FIG. 6 is a top view of this device,
  • FIG. 7 is a block diagram representing an element of the device according to the invention in a first configuration,
  • FIG. 8 is a view similar to FIG. 4, showing the same element in a second configuration and,
  • - Figure 9 is a view similar to Figures 4 and 5 showing the same element in a third configuration.

La portion de nappe de grillage à simple torsion représentée à la figure 1 est formée d'une pluralité de brins de fil métallique 101, 102, 103 et 104. Chaque fil forme une ligne brisée de sorte qu'il se trouve enlacé d'un de ses côtés avec le fil qui le précède et de l'autre côté avec le fil qui le suit, formant ainsi des mailles de diagonale d.The portion of the simple twist wire mesh shown in FIG. 1 is formed by a plurality of strands of metal wire 101, 102, 103 and 104. Each wire forms a broken line so that it lies entwined on one of its sides with the thread which precedes it and on the other side with the thread which follows it, thus forming diagonal stitches d.

La figure 2 représente une nappe de grillage telle que la nappe 100 après que les rangs de mailles aient été rabattus sur eux-mêmes autour de leur ligne médiane d'articulation. C'est ainsi que le rang formé par les fils 101 et 102 est replié autour de la ligne 105 puis que le rang de mailles formé par les fils 102 et 103 est replié autour de la ligne 106 en sens inverse et que le rang de mailles formé par les fils 103 et 104 est relié autour de la ligne 107 dans le même sens que le rang formé par les fils 101 et 102.FIG. 2 represents a mesh ply such as the ply 100 after the rows of stitches have been folded back on themselves around their median line of articulation. Thus the row formed by the son 101 and 102 is folded around the line 105 then the row of stitches formed by the threads 102 and 103 is folded around the line 106 in the opposite direction and the row of stitches formed by the wires 103 and 104 is connected around the line 107 in the same direction as the row formed by the wires 101 and 102.

Si l'on enroule sur elle-même la structure de la figure 2 on obtient un rouleau 50 dont une partie est représentée à la figure 3. Les génératrices extérieures de ce rouleau forment comme représenté sur cette figure une succession de chevrons 53, avec des arêtes intérieures 51 et des arêtes extérieures 52.If the structure of FIG. 2 is wound up on itself, a roller 50 is obtained, part of which is shown in FIG. 3. The external generatrices of this roller form, as shown in this figure, a succession of chevrons 53, with inner edges 51 and outer edges 52.

Le dispositif selon l'invention représenté dans les figures 4 à 6 comporte un bâti 1 disposé en aval d'une installation de fabrication de grillage à simple torsion dont seul le tambour de sortie 2 est représenté aux dessins.The device according to the invention shown in Figures 4 to 6 comprises a frame 1 disposed downstream of a single twist wire mesh installation, of which only the outlet drum 2 is shown in the drawings.

Le tambour de sortie 2 tourne lorsque cette installation est en fonctionnement à une vitesse fonction de la vitesse prédéterminée à laquelle le grillage est fabriqué et avance à la sortie de cette installation. Le grillage est donc fourni à cette vitesse par le tambour de sortie 2 sous forme d'une nappe en extension. Cette nappe est guidée latéralement au moyen de deux joues 3 montées sur le tambour de sortie 2.The output drum 2 rotates when this installation is in operation at a speed which is a function of the predetermined speed at which the mesh is produced and advances at the output of this installation. The mesh is therefore provided at this speed by the outlet drum 2 in the form of an extended ply. This ply is guided laterally by means of two cheeks 3 mounted on the outlet drum 2.

Le bâti 1 porte immédiatement en aval du tambour 2 une barre 4 et en aval de cette barre 4 une seconde barre 5.The frame 1 carries immediately downstream of the drum 2 a bar 4 and downstream of this bar 4 a second bar 5.

Sur les barres 4 et 5 sont supportées des cornières 6 en T dont l'aile 7 est montée sur des supports convenables 8 et dont l'âme 9 est dirigée vers le haut.On the bars 4 and 5 are supported angles T-shaped whose wing 7 is mounted on suitable supports 8 and whose core 9 is directed upwards.

Les cornières 6 sont réparties le long des barres 4 et 5 entre les joues 3 à des intervalles à peu près réguliers. Les distances qui séparent les différentes cornières 6 les unes des autres sont sensiblement égales à un multiple de la diagonale de la maille du grillage qui doit être mise en rouleau.The angles 6 are distributed along the bars 4 and 5 between the cheeks 3 at approximately regular intervals. The distances which separate the different angles 6 from each other are substantially equal to a multiple of the diagonal of the mesh of the mesh which is to be rolled.

Par ailleurs, des barres recourbées 14 sont fixées aux extrémités amont des cornières 9 et s'enroulent partiellement autour du tambour 2.Furthermore, curved bars 14 are fixed to the upstream ends of the angles 9 and are partially wound around the drum 2.

Le dispositif comprend par ailleurs un arbre moteur 10 qui porte une roue à chaîne 11 susceptible de coopérer par l'intermédiaire d'une chaîne 12 avec une autre roue à chaîne 13 (figure 4) montée sur l'arbre du tambour de sortie 2. Ainsi lorsque le tambour 2 est entraîné par les moyens d'entraînement de l'installation du grillage, ce mouvement est transmis à l'arbre 10 avec un rapport de réduction donné.The device also comprises a drive shaft 10 which carries a chain wheel 11 capable of cooperating via a chain 12 with another chain wheel 13 (FIG. 4) mounted on the shaft of the output drum 2. Thus when the drum 2 is driven by the drive means of the installation of the mesh, this movement is transmitted to the shaft 10 with a given reduction ratio.

Un autre arbre 16 est monté dans le bâti 1 et porte une roue à chaîne 17. Cette roue 17 est prévue pour coopérer avec une roue à chaîne 18 (figure 5) montée sur l'arbre 10 à son extrémité opposée à la roue 11.Another shaft 16 is mounted in the frame 1 and carries a chain wheel 17. This wheel 17 is provided to cooperate with a chain wheel 18 (FIG. 5) mounted on the shaft 10 at its end opposite to the wheel 11.

La roue 18 entraîne donc la roue 17 et par conséquent l'arbre 16 à une vitesse fonction du rapport existant entre les roues 17 et 18. Un pignon tendeur 20 dont l'axe est susceptible de coulisser dans des glissières 21 montées sur le bâti 1 permet d'assurer la tension de la chaîne 19 pour différents rapports des roues 17 et 18. Il est ainsi possible de régler le rapport des vitesses de rotation de l'arbre 16 et du tambour de sortie 2 de l'installation de fabrication du grillage.The wheel 18 therefore drives the wheel 17 and therefore the shaft 16 at a speed which depends on the ratio existing between the wheels 17 and 18. A tensioning pinion 20 whose axis is capable of sliding in slides 21 mounted on the frame 1 makes it possible to ensure the tension of the chain 19 for different ratios of the wheels 17 and 18. It is thus possible to adjust the ratio of the rotational speeds of the shaft 16 and of the output drum 2 of the installation for manufacturing the mesh .

Outre la roue 17 qui est disposée à l'extérieur du bâti 1, l'arbre 16 porte une pluralité de roues à chaîne amont 24 qui sont disposées sur cet arbre de telle sorte que chacune se trouve située à l'extérieur d'une des cornières 6.In addition to the wheel 17 which is arranged outside the frame 1, the shaft 16 carries a plurality of upstream chain wheels 24 which are arranged on this shaft so that each is located outside one of the angles 6.

Sur les arbres 22 et 23 sont montées coulissantes des plaques 39 qui portent des paliers sur lesquels sont montées des roues à chaînes 25 concentriques à l'arbre 22 et des roues a chaîne concentriques à l'arbre 23. Les plaques 39 sont réglées transversalement de telle sorte que les roues 25 et 26 soient disposées par paire dans les mêmes plans que les roues 24, c'est-à-dire dans les plans verticaux contenant les cornières 6.On the shafts 22 and 23 are slidably mounted plates 39 which carry bearings on which are mounted chain wheels 25 concentric to the shaft 22 and chain wheels concentric to the shaft 23. The plates 39 are adjusted transversely such that the wheels 25 and 26 are arranged in pairs in the same planes as the wheels 24, that is to say in the vertical planes containing the angles 6.

Par ailleurs des bras articulés 27 aux extrémités desquels sont montées des roues à chaîne aval 28 sont montés à rotation autour de paliers 31 concentriques à l'arbre 23 et par conséquent aux roues à chaîne 26, ces paliers étant portés par les plaques 39.Furthermore, articulated arms 27 at the ends of which downstream chain wheels 28 are mounted are rotatably mounted around bearings 31 concentric with the shaft 23 and consequently with chain wheels 26, these bearings being carried by the plates 39.

Les bras 27 sont solidarisés les uns des autres en rotation par un arbre 29 passant par les axes des roues 28.The arms 27 are secured to each other in rotation by a shaft 29 passing through the axes of the wheels 28.

Par ailleurs, des leviers 30 solidaires des bras 27 sont également susceptibles de pivoter autour des paliers 31 et portent à leur extrémité des roues à chaîne qui sont situées dans les mêmes plans que les roues 28. Les bras 27 et les leviers 30 qui en sont solidaires sont disposés sur les paliers 31 de sorte que les roues 28 et 32 soient situées dans les mêmes plans que les roues 24, 25 et 26.Furthermore, levers 30 integral with the arms 27 are also capable of pivoting around the bearings 31 and carry at their end chain wheels which are located in the same planes as the wheels 28. The arms 27 and the levers 30 which are integral with each other are arranged on the bearings 31 so that the wheels 28 and 32 are located in the same planes as the wheels 24, 25 and 26.

Un autre arbre 33 est porté par le bâti 1 et supporte des roues à chaîne 34 disposées chacune dans un des plans définis par les roues 24, 25, 26, 28 et 32.Another shaft 33 is carried by the frame 1 and supports chain wheels 34 each arranged in one of the planes defined by the wheels 24, 25, 26, 28 and 32.

Enfin, un dernier arbre 35 est monté sur le bâti 1.Finally, a last shaft 35 is mounted on the frame 1.

L'arbre 35 porte deux joues 36 montées sur des paliers glissants 37 et susceptibles d'être réglées pour se situer dans le même plan que les joues 3 du tambour de sortie 2. Les joues 36 peuvent être fixées en position au moyen d'organes 38 prévus sur les paliers 37.The shaft 35 carries two cheeks 36 mounted on sliding bearings 37 and capable of being adjusted to lie in the same plane as the cheeks 3 of the output drum 2. The cheeks 36 can be fixed in position by means of members 38 provided on the bearings 37.

Par ailleurs, chaque plaque 39 comporte une rainure 40 (figure 4), dans laquelle est susceptible de coulisser l'axe d'une roue à chaîne 41. L'axe de la roue 41 est rappelé vers le bas, c'est-à-dire du côté opposé aux roues 24 et 28 par rapport aux roues 25 et 26, par un ressort 42 dont une extrémité est montée sur l'axe de la roue 41 et l'autre extrémité est solidaire d'un prolongement 43 de la plaque 39.Furthermore, each plate 39 has a groove 40 (FIG. 4), in which the axis of a chain wheel 41 can slide. The axis of the wheel 41 is biased downwards, that is to say say on the side opposite to the wheels 24 and 28 relative to the wheels 25 and 26, by a spring 42, one end of which is mounted on the axis of the wheel 41 and the other end is integral with an extension 43 of the plate 39.

Enfin des chaînes 44, passent sur chacun des ensembles de roues 24, 25, 26, 28, 33 et 41. Entre les roues 24 et 25 d'une part et les roues 26 et 28 d'autre part, les brins 45 et 46 respectivement de la chaîne forment un V comme cela est visible sur la figure 4.Finally, chains 44 pass over each of the sets of wheels 24, 25, 26, 28, 33 and 41. Between the wheels 24 and 25 on the one hand and the wheels 26 and 28 on the other hand, the strands 45 and 46 respectively of the chain form a V as can be seen in FIG. 4.

Dans la forme de réalisation représentée à cette figure, le brin amont 45 qui est sensiblement dans le prolongement des arêtes supérieures des cornières 6 fait avec l'horizontale un angle de sensiblement 40° et le brin 46 aval fait lui-même avec le brin 45 un angle qui est également sensiblement égal à 40°.In the embodiment shown in this figure, the upstream strand 45 which is substantially in the extension of the upper edges of the angles 6 makes an angle of substantially 40 ° with the horizontal and the downstream strand 46 makes itself with the strand 45 an angle which is also substantially equal to 40 °.

On notera par ailleurs que l'arbre 5 est monté mobile à rotation par rapport au bâti 1 qui peut être actionné à l'aide d'un contrepoids 47. Des doigts 48 sont solidaires de l'axe 5 de sorte qu'ils pivotent avec celui-ci lorsque le contrepoids 47 est basculé.Note also that the shaft 5 is mounted movable in rotation relative to the frame 1 which can be actuated using a counterweight 47. Fingers 48 are integral with the axis 5 so that they pivot with the latter when the counterweight 47 is tilted.

Enfin, on remarquera sur la figure 4 que des dévidoirs 60 permettent d'enrouler des fils en même temps que la nappe de grillage. Ces fils qui facilitent le pliage des mailles et assurent leur ordonnancement permettent par conséquent de parfaire la configuration en chevrons du rouleau. Par ailleurs, ils permettent de maintenir les mailles pendant la rotation du rouleau et facilitent le déroulement correct de celui-ci, lors de son utilisation.Finally, it will be noted in FIG. 4 that the reels 60 make it possible to wind the wires at the same time as the wire mesh. These threads which facilitate the folding of the meshes and ensure their ordering therefore make it possible to perfect the herringbone configuration of the roller. Furthermore, they make it possible to maintain the meshes during the rotation of the roller and facilitate the correct unwinding thereof, during its use.

Le fonctionnement du dispositif décrit ci-dessus est le suivant :

  • Etant donné le diamètre du tambour de sortie 2, le rapport de réduction entre les roues 11 et 13, le rapport de réduction entre les roues 18 et 17 et le diamètre des roues 24, il est possible de déterminer le rapport entre la vitesse d'alimentation du grillage au niveau du tambour 2 et la vitesse longitudinale de la chaîne 44.
The operation of the device described above is as follows:
  • Given the diameter of the output drum 2, the reduction ratio between the wheels 11 and 13, the reduction ratio between the wheels 18 and 17 and the diameter of the wheels 24, it is possible to determine the ratio between the speed of feeding of the mesh at the level of the drum 2 and the longitudinal speed of the chain 44.

De préférence pour un grillage de largeur de mailles de 50 millimètres, ce rapport peut être égal à 0,25.Preferably for a mesh with a mesh width of 50 millimeters, this ratio can be equal to 0.25.

Le contrepoids 47 étant dans une position telle que les doigts 48 sont effacés par rapport aux cornières 6, le grillage est amené sur ces cornières jusqu'au brin 45 des chaînes 44. Avant que ne commence l'enroulement, le dispositif est dans la configuration représenté à la figure 7 avec des brins 45 et 46 tendus et les axes des roues 41 au fond des glissières 40 où elles sont maintenues par la traction des ressorts 42.The counterweight 47 being in a position such that the fingers 48 are erased relative to the angles 6, the mesh is brought on these angles to the strand 45 of the chains 44. Before the winding begins, the device is in the configuration shown in Figure 7 with strands 45 and 46 stretched and the axes of the wheels 41 at the bottom slides 40 where they are held by the traction of the springs 42.

La position normale pour les bras 27 et les leviers 30 est celle représentée dans la figure 7 dans laquelle les brins 45 et 46 forment un V et dans laquelle les roues 32 sont écartées du bras 45.The normal position for the arms 27 and the levers 30 is that shown in FIG. 7 in which the strands 45 and 46 form a V and in which the wheels 32 are separated from the arm 45.

On a constaté que la nappe de grillage avançant sur les cornières 6 avait tendance, sous l'effet de son propre poids à se plier en accordéon.It has been found that the grid sheet advancing on the angles 6 tends, under the effect of its own weight to bend in accordion.

Par ailleurs, du fait de l'avance plus lente de la chaîne 44 par rapport à la vitesse d'alimentation du grillage, celui-ci finit de se replier de sorte que chaque rang de mailles est rabattu sur lui-même autour de sa ligne médiane d'articulation et qu'il s'enroule comme représenté à la figure 8 sous forme d'un rouleau 50 dont les génératrices forment des chevrons avec des arêtes intérieures 51 et des arêtes extérieures 52. Les brins 45 et 46 de la chaîne 44 supportent par conséquent le rouleau 50 en s'engageant à l'intérieur des chevrons ainsi formés.Furthermore, due to the slower advance of the chain 44 relative to the speed of supply of the mesh, the latter ends up folding up so that each row of meshes is folded back on itself around its line. articulation median and that it is wound as shown in FIG. 8 in the form of a roller 50 whose generatrices form chevrons with internal edges 51 and external edges 52. The strands 45 and 46 of the chain 44 consequently support the roller 50 by engaging inside the rafters thus formed.

Au fur et à mesure que le diamètre du rouleau 50 augmente les bras 45 et 46 de la chaîne 44 s'incurvent comme représenté à la figure 5 de sorte que les axes des roues 41 se rapprochent des roues 25 et 26 à l'intérieur des glissières 40.As the diameter of the roller 50 increases the arms 45 and 46 of the chain 44 curve as shown in FIG. 5 so that the axes of the wheels 41 approach the wheels 25 and 26 inside the runners 40.

Lorsque le rouleau 50 est achevé, la nappe de grillage est interrompue entre le tambour de sortie 2 et l'axe 5 et les doigts 48 sont basculés dans la position représentée à la figure 4. Par conséquent la partie de la nappe située en aval de l'interruption vient achever le rouleau 50 tandis que la partie située en amont est bloquée par les doigts 48, de sorte que le grillage peut continuer à être alimenté par le tambour de sortie 2 durant la manoeuvre décrite ci-dessous au cours de laquelle le rouleau 50 est retiré du dispositif.When the roller 50 is finished, the wire mesh is interrupted between the output drum 2 and the axis 5 and the fingers 48 are tilted in the position shown in FIG. 4. Consequently the part of the wire located downstream of the interruption completes the roller 50 while the upstream part is blocked by the fingers 48, so that the mesh can continue to be fed by the output drum 2 during the maneuver described below during which the roller 50 is removed from the device.

L'ensemble des bras 27 est basculé vers le bas dans la position représentée à la figure 9, entraînant avec lui l'arbre 29 et les roues à chaîne 28. Dans ce mouvement, les leviers 30 sont également basculés et ils entraînent les roues 32.The set of arms 27 is tilted downwards in the position shown in FIG. 9, driving with it the shaft 29 and the chain wheels 28. In this movement, the levers 30 are also tilted and they drive the wheels 32 .

Ainsi le brin 46 de la chaîne 44 devient sensiblement horizontal tandis que la roue 32 vient déformer le brin 45 qui fait ainsi basculer le rouleau 50 sur les brins 46 horizontaux d'où il peut être retiré.Thus the strand 46 of the chain 44 becomes substantially horizontal while the wheel 32 deforms the strand 45 which thus causes the roller 50 to tip over onto the horizontal strands 46 from which it can be removed.

Les bras 27 sont alors remis dans la position qu'ils occupent aux figures 4 et 7. Les doigts 48 sont de nouveau escamotés de sorte qu'une nouvelle nappe de grillage vient prendre place entre les brins 45 et 46 où elle commence à s'enrouler comme décrit en référence à la figure 7.The arms 27 are then returned to the position they occupy in FIGS. 4 and 7. The fingers 48 are again retracted so that a new grid of mesh comes to take place between the strands 45 and 46 where it begins to s' wrap as described with reference to figure 7.

L'invention fournit donc un dispositif permettant de mettre un grillage à simple torsion en rouleau compact, sans qu'il soit nécessaire d'arrêter l'installation de fabrication de ce grillage pendant les manipulations des rouleaux finis. On a constaté de plus qu'il était possible d'obtenir ainsi une très grande régularité d'enroulement.The invention therefore provides a device for putting a single-twist mesh in a compact roll, without it being necessary to stop the installation for manufacturing this mesh during the handling of the finished rolls. It has also been found that it is thus possible to obtain a very high regularity of winding.

Claims (9)

1. Dispositif pour rabattre sur eux-mêmes, autour de leurs lignes médianes d'articulation, les rangs de mailles d'un grillage à simple torsion alimenté sous forme d'une nappe en extension, caractérisé par le fait qu'il comporte au moins deux supports (6,45) pour ladite nappe de grillage, allongés dans la direction d'alimentation du grillage, et séparés les uns des autres d'une distance sensiblement égale à un multiple de la diagonale (d) de la maille du grillage considéré.1. Device for folding down on themselves, around their median lines of articulation, the rows of meshes of a single-twist mesh fed in the form of an extended ply, characterized in that it comprises at least two supports (6,45) for said mesh sheet, elongated in the direction of supply of the mesh, and separated from each other by a distance substantially equal to a multiple of the diagonal (d) of the mesh of the mesh considered . 2. Dispositif selon la revendication 1, caractérisé par le fait que lesdits supports font avec l'horizontale un angle de l'ordre de 40°.2. Device according to claim 1, characterized in that said supports make with the horizontal an angle of the order of 40 °. 3. Dispositif selon l'une quelconque des revendications 1 et 2, caractérisé par le fait que lesdits supports comportent chacun une cornière (6) présentant une arête (9) dirigée vers le haut.3. Device according to any one of claims 1 and 2, characterized in that said supports each comprise an angle (6) having an edge (9) directed upwards. 4. Dispositif selon la revendication 3, caractérisé par le fait que lesdites cornières s'étendent à partir du tambour de sortie (2) d'une installation de fabrication d'un tel grillage, et que des barres recourbées (14) sont fixées aux extrémités amont des cornières et s'enroulent partiellement autour dudit tambour.4. Device according to claim 3, characterized in that said angles extend from the outlet drum (2) of an installation for manufacturing such a mesh, and that curved bars (14) are fixed to the upstream ends of the angles and partially wrap around said drum. 5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé par le fait que lesdits supports comprennent chacun un brin (45) d'un organe tel qu'une chaîne.5. Device according to any one of claims 1 to 4, characterized in that said supports each comprise a strand (45) of a member such as a chain. 6. Dispositif selon la revendication 5, caractérisé par le fait que ladite chaîne est animée d'une vitesse longitudinale inférieure à la vitesse d'alimentation du grillage.6. Device according to claim 5, characterized in that said chain is driven by a longitudinal speed lower than the feeding speed of the mesh. 7. Dispositif selon l'ensemble des revendications 3 et 5, caractérisé par le fait que ledit brin de l'organe tel qu'une chaîne est sensiblement dans le prolongement de l'arête de ladite cornière.7. Device according to all of claims 3 and 5, characterized in that said strand of the member such as a chain is substantially in the extension of the edge of said angle. 8. Dispositif pour une mise en rouleau de grillage à simple torsion, dans laquelle les rangs de mailles sont rabattus sur eux-mêmes autour de leurs lignes médianes d'articulation, caractérisé par le fait qu'il comprend un dispositif selon l'une quelconque des revendications 1 à 7.8. Device for a roll-up of a single-twist mesh, in which the rows of stitches are folded back on themselves around their median lines of articulation, characterized in that it comprises a device according to any one of claims 1 to 7. 9. Dispositif selon la revendication 8, comprenant des moyens de réception formés d'au moins deux ensembles en forme de V de chacun deux brins d'un organe tel qu'une chaîne, caractérisé par le fait que lesdits supports comprennent le brin amont (45) desdits ensembles en forme de V.9. Device according to claim 8, comprising means for receiving formed from at least two V-shaped assemblies each of two strands of a member such as a chain, characterized in that said supports comprise the upstream strand ( 45) of said V-shaped assemblies.
EP82111843A 1979-12-19 1980-12-19 Apparatus for winding quadrangular wire-mesh Ceased EP0085179A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7931109 1979-12-19
FR7931109A FR2471938A1 (en) 1979-12-19 1979-12-19 WINDING DEVICE FOR SINGLE-SIDED GRIDING

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EP80401836A Division EP0031286B1 (en) 1979-12-19 1980-12-19 Apparatus for winding quadrangular wire-mesh
EP80401836.4 Division 1980-12-19

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EP0085179A2 true EP0085179A2 (en) 1983-08-10
EP0085179A3 EP0085179A3 (en) 1983-08-24

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EP80401836A Expired EP0031286B1 (en) 1979-12-19 1980-12-19 Apparatus for winding quadrangular wire-mesh
EP82111843A Ceased EP0085179A3 (en) 1979-12-19 1980-12-19 Apparatus for winding quadrangular wire-mesh

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EP (2) EP0031286B1 (en)
AT (1) ATE6994T1 (en)
CA (1) CA1167823A (en)
DE (2) DE3067488D1 (en)
ES (1) ES8200053A1 (en)
FR (1) FR2471938A1 (en)
IE (1) IE50491B1 (en)

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Publication number Priority date Publication date Assignee Title
DE3136207C1 (en) * 1981-09-12 1983-01-13 Wafios Maschinenfabrik Wagner, Ficker & Schmid (GmbH & Co KG), 7410 Reutlingen Method and device for producing rolls of wire mesh
FR2518435A1 (en) * 1981-12-22 1983-06-24 Gantois Continuously fed plant producing rolls of chain link wire netting - improves compaction by cranking and twisting loop in end loop of wire joint
DE19630925A1 (en) * 1996-07-31 1998-02-05 Rieter Ag Maschf Winding device
JP2002339650A (en) * 2001-05-15 2002-11-27 Inaryo Technica Kk Opening/closing device
DE102004008105A1 (en) * 2004-02-19 2005-09-08 Rkw Ag Rheinische Kunststoffwerke Werk Michelstadt Method for winding netting composed of longitudinal weft fibers, between pairs of which warp fibers are wound in zigzag pattern, into rolls of reduced width comprises passing it under guide bar, along which spacer rings are arranged

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FR1492676A (en) * 1965-09-15 1967-08-18 Bekaert Pvba Leon Method and machine for winding netting
FR1594975A (en) * 1968-12-10 1970-06-08
FR2312315A1 (en) * 1975-05-30 1976-12-24 Bekaert Sa Nv Rectangular wire mesh capable of forming roll - has overlapping loops which may be pulled together to condense the structure

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US1662577A (en) * 1926-05-29 1928-03-13 United Eng Foundry Co Method of coiling material and apparatus therefor
US1959418A (en) * 1932-08-27 1934-05-22 Paper Patents Co Winder for sheet material
US3532281A (en) * 1966-09-19 1970-10-06 Bekaert Pvba Leon Method for winding chain link fencing
US3776482A (en) * 1972-06-06 1973-12-04 Corning Glass Works Winding apparatus
DE2544135C2 (en) * 1975-10-02 1982-11-25 Windmöller & Hölscher, 4540 Lengerich Device for the production of shingled belt rolls from flat workpieces laid on top of each other
DE2650590C2 (en) * 1976-11-04 1985-06-20 ARBED S.A., Luxemburg/Luxembourg Method and device for producing a braided roll
US4146188A (en) * 1977-10-31 1979-03-27 E. Fogarty & Company Limited Method and apparatus for forming a fibrous cylindrical element
US4353512A (en) * 1981-01-14 1982-10-12 Rohrbacher Herbert E Apparatus for rolling chain link fence

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Publication number Priority date Publication date Assignee Title
FR1492676A (en) * 1965-09-15 1967-08-18 Bekaert Pvba Leon Method and machine for winding netting
FR1594975A (en) * 1968-12-10 1970-06-08
FR2312315A1 (en) * 1975-05-30 1976-12-24 Bekaert Sa Nv Rectangular wire mesh capable of forming roll - has overlapping loops which may be pulled together to condense the structure

Also Published As

Publication number Publication date
ES497892A0 (en) 1981-11-01
FR2471938B1 (en) 1984-08-10
EP0085179A3 (en) 1983-08-24
FR2471938A1 (en) 1981-06-26
ATE6994T1 (en) 1984-04-15
US4389025A (en) 1983-06-21
EP0031286A1 (en) 1981-07-01
US4522345A (en) 1985-06-11
ES8200053A1 (en) 1981-11-01
IE802694L (en) 1981-06-19
CA1167823A (en) 1984-05-22
IE50491B1 (en) 1986-04-30
DE31286T1 (en) 1983-04-14
DE3067488D1 (en) 1984-05-17
EP0031286B1 (en) 1984-04-11

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