EP0087340B1 - Device for deflecting and stacking envelopes - Google Patents

Device for deflecting and stacking envelopes Download PDF

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Publication number
EP0087340B1
EP0087340B1 EP83400246A EP83400246A EP0087340B1 EP 0087340 B1 EP0087340 B1 EP 0087340B1 EP 83400246 A EP83400246 A EP 83400246A EP 83400246 A EP83400246 A EP 83400246A EP 0087340 B1 EP0087340 B1 EP 0087340B1
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EP
European Patent Office
Prior art keywords
letters
stacker
belt
belts
path
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Expired
Application number
EP83400246A
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German (de)
French (fr)
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EP0087340A1 (en
Inventor
Roland Allio
Gilbert Del Fabbro
François Debrabant
François Gillet
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HBS
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HBS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/06—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4214—Forming a pile of articles on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Description

L'invention concerne un dispositif d'aiguillage et d'empilage de plis.The invention relates to a device for plying and stacking folds.

Les empileurs les plus usuels nécessitent la mise en place de systèmes d'asserviment souvent très compliqués. Pour qu'un tel dispositif fonctionne correctement il faut en effet que l'introduction des plis et la formation correcte de la pile puisse se faire simultanément.The most common stackers require the installation of often very complicated servo systems. In order for such a device to function properly, it is necessary that the introduction of the folds and the correct formation of the stack can be done simultaneously.

Ceci a donc conduit à la recherche de systèmes moins complexes et moins coûteux dans lesquels les opérations de transfert s'effectuent par l'intermédiaire de jeux de courroies s'entraînant les unes les autres par friction selon des agencements tels que celui décrit dans le document US-A-3 224 660. Ce document décrit un dispositif d'aiguillage et d'empilage de plis du type énoncé dans le préambule de la revendication 1. Dans ce document, la voie de transfert principale est réalisée à l'aide d'un jeu de courroies entre lesquelles les plis sont individuellement pincés en vue de leur transfert. La section terminale réceptrice de ce dispositif qui comporte une courroie transporteuse classiquement associée à une courroie intermédiaire contre laquelle elle se presse, comporte une voie de sortie comprenant aussi une courroie de déviation du sens de transmission des plis, qui est entraînée par la courroie intermédiaire. Toutefois cette section terminale ne permet que l'empilage des plis et pas leurs aiguillage qui est réalisé en amont .This has therefore led to the search for less complex and less costly systems in which the transfer operations are carried out by means of sets of belts which drive each other by friction according to arrangements such as that described in the document. US-A-3,224,660. This document describes a ply switching and stacking device of the type set out in the preamble of claim 1. In this document, the main transfer channel is produced using a set of belts between which the pleats are individually pinched for transfer. The receiving terminal section of this device, which comprises a conveyor belt conventionally associated with an intermediate belt against which it is pressed, comprises an outlet channel also comprising a belt for deviating the direction of transmission of the plies, which is driven by the intermediate belt. However, this terminal section only allows the stacking of the folds and not their referral which is carried out upstream.

La présente invention propose donc un dispositif d'aiguillagé et d'empilage de plis, très simple, permettant l'empilage d'objets plats sur une longueur importante sans faire appel à des équipements coû- teaux de logique et de contrôle.The present invention therefore proposes a very simple switch and pleat stacking device, allowing the stacking of flat objects over a considerable length without using expensive logic and control equipment.

La présente invention a donc pour objet un dispositif d'aiguillage et d'empilage de plis destiné à assurer le tri et le stockage de plis en fonction de leur destination, ces plis étant transportés par l'intermédiaire d'au moins une voie de transfert principale comportant au moins un moyen d'orientation des plis de cette voie de transfert vers au moins une voie de sortie débouchant sur au moins un empileur, où les plis sont tassés par une palette; cette palette est portée par une platine support qui porte également le ou les empileurs, le ou les moyens d'orientation et les éléments constitutifs des voies, la voie principale de transfert étant constitué à l'aide de courroies transporteuses, de courroies intermédiaires entre lesquelles sont pincés les plis à aiguiller et à stocker, la voie de sortie comportant au moins une courroie de déviation, lesdites courroies étant entraînées mutuellement par friction, caractérisé en ce que chaque courroie transporteuse, entraînée par un moyen moteur autour d'un jeu de poulies et entraînant un jeu de courroies intermédiaires individuellement enroulées chacune autour de deux poulies distinctes, entraîne aussi un jeu de courroies de déviation par l'intermédiaire du jeu de courroies intermédiaires, chaque courroie de déviation, enroulée autour de deux poulies distinctes et entraînée par friction par une courroie intermédiaire distincte, assurant l'empilage de plis qui sont déviés vers elle par un moyen d'orientation constitué par un volet inséré sur la voie principale en amont de chaque empileur, de manière à permettre l'acheminement des plis le long de la voie de transfert principale, lorsque ledit volet est en une première position et à assurer alternativement l'expulsion des plis de la voie de transfert principale vers la voie de sortie qu'il dessert, lorsque ledit volet est dans une seconde position.The subject of the present invention is therefore a device for routing and stacking plies intended for sorting and storing plies according to their destination, these plies being transported via at least one transfer channel. main comprising at least one means for orienting the folds of this transfer path towards at least one exit path leading to at least one stacker, where the folds are packed by a pallet; this pallet is carried by a support plate which also carries the stacker (s), the orientation means (s) and the constituent elements of the tracks, the main transfer track being formed by means of conveyor belts, intermediate belts between which the folds to be routed and stored are pinched, the outlet channel comprising at least one deflection belt, said belts being driven mutually by friction, characterized in that each conveyor belt, driven by a motor means around a set of pulleys and causing a set of intermediate belts individually wound each around two separate pulleys, also causes a set of deflection belts via the set of intermediate belts, each deflection belt, wound around two separate pulleys and driven by friction by a separate intermediate belt, ensuring the stacking of folds which are deflected towards it by u n orientation means consisting of a flap inserted on the main track upstream of each stacker, so as to allow the routing of the folds along the main transfer track, when said flap is in a first position and to be provided alternately the expulsion of the folds from the main transfer channel to the outlet channel it serves, when said flap is in a second position.

L'invention sera mieux comprise à l'aide des explications qui vont suivre et des figures jointes, parmi lesquelles:

  • la figure 1 est une représentation schématique d'un dispositif conforme à l'invention;
  • la figure 2 est une représentation schématique destinée à mieux faire comprendre le fonctionnement d'un dispositif conforme à l'invention.
The invention will be better understood using the explanations which follow and the attached figures, among which:
  • Figure 1 is a schematic representation of a device according to the invention;
  • Figure 2 is a schematic representation intended to better understand the operation of a device according to the invention.

Les mêmes éléments, portent les mêmes références dans toutes les figures.The same elements have the same references in all the figures.

Comme le montre la figure 1, un dispositif conforme à l'invention est essentiellement constitué d'un aiguillage chargé d'extraire les plis du système de convoyage pour le guider vers un empileur 30 incliné pour bénéficier de l'inertie des plis, tandis qu'une palette 5 ou tasseur se déplace automatiquement le long d'un axe 6 vers le bas de l'empileur 30 sous l'effet du poids de la pile et de l'énergie cinétique de la dernière lettre arrivant dans l'empileur 30, tout en maintenant la pile comprimée grâce à un ressort de rappel taré (non visible sur cette figure) qui tend à s'opposer à son déplacement. Le plan de la platine support 80 fait avec l'horizontale un angle a donné qui permet d'utiliser l'effet de la gravité et d'offrir aux opérateurs une bonne accessibilité pour le vidage de l'empileur. Cette angle est de préférence de 23°. La platine comporte donc une partie dite haute (A) et une partie dite basse référencée (B). L'effet de la gravité peut être optimisé au moyen de réglettes 7 offrant à la partie inférieure des lettres une surface de contact faible combinée avec un coefficient de frottement faible inhérent au choix du matériau. On peut par exemple utiliser des réglettes en nylon.As shown in FIG. 1, a device according to the invention essentially consists of a switch responsible for extracting the folds from the conveyor system to guide it towards an inclined stacker 30 to benefit from the inertia of the folds, while a pallet 5 or tamper moves automatically along an axis 6 towards the bottom of the stacker 30 under the effect of the weight of the stack and the kinetic energy of the last letter arriving in the stacker 30, while keeping the stack compressed thanks to a calibrated return spring (not visible in this figure) which tends to oppose its movement. The plane of the support plate 80 makes a given angle with the horizontal which makes it possible to use the effect of gravity and to offer the operators good accessibility for emptying the stacker. This angle is preferably 23 °. The plate therefore comprises a so-called high part (A) and a so-called low part referenced (B). The effect of gravity can be optimized by means of strips 7 offering the lower part of the letters a low contact surface combined with a low coefficient of friction inherent in the choice of material. One can for example use nylon strips.

Le système de convoyage 100 est un système à courroies. Les plis sont pincés entre celles-ci de la manière décrite ci-dessous. Une première courroie 3 est dite courroie d'entraînement. Il s'agit d'une courroie sans fin tournant autour d'un jeu de poulies Pn et entraînée en mouvement par des moyens moteurs 50. Cette première courroie 3 coopère avec une seconde courroie 2 sans fin, tournant entre deux poulies P3 et P4; l'entrainement de cette deuxième courroie 2 se faisant à partir de la première courroie 3 par simple friction. Chaque pli est pincé entre cette première et cette deuxième courroie 3 et 2 et est ainsi acheminé le long du système de convoyage le long d'une voie de transfert principale 100. Au moins un volet de déviation portant la référence générale 51 est agencé pour occuper deux position sous l'action d'un organe de commande tel qu'un électro-aimant 52, par exemple. La première position du volet dite «de repos» assure le cheminement ininterrompu des plis le long de la voie de transfert principal 100. La seconde, dite «de déviation» assure la sortie du pli de la voie de transfert principal 100 vers une voie de transfert de sortie 101 constituée par une courroie 4 entrainée par friction sur la courroie 2 et tournant autour des poulies P1 et P2. Le volet positionné dans une position de déviation est référencé 51 b sur la figure 1 et le volet 51 a est dans cette même figure, dans la position dite de repos.The conveyor system 100 is a belt system. The folds are pinched between them as described below. A first belt 3 is called a drive belt. It is an endless belt rotating around a set of pulleys Pn and driven in movement by motor means 50. This first belt 3 cooperates with a second endless belt 2, rotating between two pulleys P3 and P4; the drive of this second belt 2 being made from the first belt 3 by simple friction. Each fold is pinched between this first and this second belt 3 and 2 and is thus routed along the conveyor system along a main transfer path 100. At least one deflection flap bearing the general reference 51 is arranged to occupy two positions under the action of a control member such as an electromagnet 52, for example. The first position of the so-called "rest" flap ensures the uninterrupted movement of the folds along the main transfer path 100. The second, called "deflection" ensures the exit of the fold from the main transfer path 100 to a output transfer 101 constituted by a belt 4 driven by friction on the belt 2 and rotating around the pulleys P1 and P2. The flap positioned in a deflection position is referenced 51 b in FIG. 1 and the flap 51 a is in this same figure, in the so-called rest position.

Le sens de défilement de la troisième courroie 4 (flèche f4) est inverse de celui de la deuxième courroie 2 (flèche f2). Le front avant de la lettre déviée est prise en charge par la troisième courroie 4 qui introduit et presse la lettre contre la pile si celle-ci a déja commencé à se former ou s'il s'agit de la première lettre déviée, directement contre la palette 5. Une seule palette est représentée pour ne pas alourdir inutilement la figure, mais il y a autant de palettes que de volets d'aiguillage donc que de voies d'empilages.The direction of travel of the third belt 4 (arrow f4) is opposite to that of the second belt 2 (arrow f2). The front edge of the deflected letter is supported by the third belt 4 which introduces and presses the letter against the stack if it has already started to form or if it is the first deflected letter, directly against pallet 5. A single pallet is shown so as not to unnecessarily burden the figure, but there are as many pallets as switching flaps, therefore, as stacking tracks.

Au fur et à mesure que la pile de lettres se forme la palette 5 se déplace le long d'un axe de translation 6. La palette 5, coulissant sur cet axe actionne un détecteur de fin de course qui commande l'inhibition de la case concernée au sein du programme de tri de sorte que la machine puisse continuer à trier sur l'ensemble des autres empileurs non inhibés. Un taquet coinceur 8 assure le verrouillage mécanique de la palette en position basse.As the stack of letters is formed, the pallet 5 moves along a translation axis 6. The pallet 5, sliding on this axis activates a limit switch which controls the inhibition of the box concerned within the sorting program so that the machine can continue to sort on all the other uninhibited stackers. A cleat cleat 8 provides mechanical locking of the pallet in the low position.

Le fonctionnement du dispositif d'aiguillage et d'empilage de plis est maintenant expliqué en se referrant plus particulièrement à la figure 2.The operation of the ply switching and stacking device is now explained with particular reference to FIG. 2.

Les mêmes éléments portent les mêmes références que dans la figure précédente.The same elements have the same references as in the previous figure.

Une lettre PL1 arrivant au niveau du volet 51 b, placée en position de déviation, est prise en charge par la voie dite de transfert de déviation 101 constituée par la courroie 4. Elle quitte donc la voie de transfert principal 100 constituée par la courroie 3 et la courroie 2 comme le montrent les flèches Fd1 et Fd2 et vient se glisser entre la courroie 4 et la face supérieure de la palette 5, si l'empileur 30 est vide et entre cette courroie 4 et la lettre du dessus de la pile lorsque celle-ci a déjà commencé à se former. Au fur et à mesure que les plis arrivent dans l'empileur 30, la palette 5 se déplace donc par translation, comme cela déjà été dit précédemment suivant l'axe 6. Cette palette 5 est maintenu par un ressort de rappel non représenté sur la figure. Le poids des lettres stockées l'aide dans son mouvement de translation symbolisé par la flèche Ft vers le bas de la platine support B. L'entrée des lettres dans l'empileur 30 est aidée par un déflecteur métallique placé sur la platine et permettant aux pieds de lettres décollés de venir s'introduire correctement dans l'empileur.A letter PL1 arriving at the flap 51 b, placed in the deflection position, is taken care of by the so-called deviation transfer channel 101 constituted by the belt 4. It therefore leaves the main transfer channel 100 constituted by the belt 3 and the belt 2 as shown by the arrows Fd 1 and Fd 2 and slides between the belt 4 and the upper face of the pallet 5, if the stacker 30 is empty and between this belt 4 and the letter above the pile when it has already started to form. As the folds arrive in the stacker 30, the pallet 5 therefore moves by translation, as has already been said previously along the axis 6. This pallet 5 is held by a return spring not shown on the figure. The weight of the letters stored helps it in its translational movement symbolized by the arrow Ft downwards from the support plate B. The entry of the letters into the stacker 30 is helped by a metal deflector placed on the plate and allowing the feet of letters peeled off to enter correctly in the stacker.

Selon une caractéristique de l'invention la face intérieure du volet (x y) (celle qui permet l'aiguillage dans l'empileur) est montée de telle façon qu'elle soit tangente à la poulie P2 de réception des plis dans l'empileur comme le montre le pointillés 60. Selon une autre caractéristique de l'invention qui a déjà été mentionnée précédement, il est important de noter que les lettres arrivent dans l'empileur avec une inclinaison par exemple de 23° par rapport au plan vertical et que le plan de la platine support 80 est également de 23° par rapporte au plan horizontal. Ceci constitue un avantage ergonomique par rapport à un empileur horizontal en facilitant la préhension par l'opérateur des lettres stockées et permet d'aider la palette 5 dans son mouvement de translation par suite de l'action de la composante de force donnée par le poids de la pile et l'énergie cinétique de la dernière lettre dans la pile.According to a characteristic of the invention, the inner face of the flap (xy) (that which allows the switch in the stacker) is mounted in such a way that it is tangent to the pulley P2 for receiving the folds in the stacker as shows the dotted line 60. According to another characteristic of the invention which has already been mentioned previously, it is important to note that the letters arrive in the stacker with an inclination for example of 23 ° relative to the vertical plane and that the plane of the support plate 80 is also 23 ° relative to the horizontal plane. This constitutes an ergonomic advantage compared to a horizontal stacker by facilitating the gripping by the operator of the stored letters and makes it possible to help the pallet 5 in its translational movement following the action of the force component given by the weight. of the stack and the kinetic energy of the last letter in the stack.

Enfin il convient également de rappeler qu'un seul moyen moteur 50 est utilisé pour entraîner la courroie 3 qui par simple friction entraîne la courroie 2 qui a son tour entraîne en sens inverse la courroie 4. Celle-ci prend en charge, freine et oriente le pli vers l'empilleur 30, tandis que la courroie 2 assure deux fonctions: celle d'entraînement par friction de la courroie 4 ainsi que le transfert des plis dans la voie principale.Finally, it should also be remembered that a single motor means 50 is used to drive the belt 3 which, by simple friction, drives the belt 2 which in turn drives the belt 4 in the opposite direction. It takes charge, brakes and steers the fold towards the stacker 30, while the belt 2 performs two functions: that of friction drive of the belt 4 as well as the transfer of the folds into the main track.

Une plaque d'arrêt 81 est prévue pour arrêter le front avant des lettres à un même niveau de référence.A stop plate 81 is provided to stop the front edge of the letters at the same reference level.

Les applications d'un dispositif d'aiguillage et d'empilage de plis conforme à l'invention permet l'empilage des lettres de toute forme de courrier traité mécaniquement, l'empilage de chèques bancaires ou postaux, l'empilage d'étiquettes, enfin l'empilage de tout objet pincé ou transporté entre deux courroies.The applications of a referral and stacking device for folds in accordance with the invention allows the stacking of letters of any form of mechanically processed mail, the stacking of bank or postal checks, the stacking of labels, finally the stacking of any object pinched or transported between two belts.

Claims (10)

1. A deflection and stacking device intended to sort out and store letters in accordance with their destination, these letters being transported through at least one principal transfer path (100) comprising at least one means (51) for orienting the letters from this path towards at least one outlet path (101) issuing at at least one stacker (30), where the letters are packed tight by a pallet (5) carried by a support plate (80) which also carries the stacker(s), the orienting means and the elements constituting the paths, the principal transfer path (100) being constituted by means of driving belts (3) and intermediate belts (2) between which are squeezed the letters to be deflected and to be stored, the outlet path comprising at least one deviation belt (4), said belts being mutually driven by friction, characterized in that each driving belt (3), driven by a motor drive means (50) around a set of pulleys (Pn) and driving a set of intermediate belts (2) being each individually wound around two distinct pulleys (P3, P4), also drives a set of deflecting belts (4) by means of the set of intermediate pulleys (2), each deflecting belt, wound around two distinct pulleys (p1, P2) and driven by friction by a distinct intermediate belt, ensuring the stacking of the letters which are deflected towards it by an orienting means (51) constituted by a flap inserted on the principal path (100) upstream of each stacker (30), so as to permitthetransferofthe letters along the principal transfer path, when it is in a first position, and to ensure alternately the expulsion of the letters from the principal transfer path (100) towards the oulet path (101) which it serves, when it is in a second position.
2. A device according to claim 1, characterized in that the flap constituting each orienting means (51) is mounted in such a way that its inner face (xy) is tangent to the pulley (P2) said reception pulley for the letters of the deflecting belt (4) which corresponds to it, when this flap is in the second position.
3. A device according to claim 1, characterized in thatthe support plate (80) is oriented according to an angle a, not zero, with respect to the horizontal plane.
4. A device according to claim 3, characterized in that this angle a is equal to 23°.
5. A device according to claim 1, characterized in that the intermediate belts (2) ensure the transfer of the letters from an upstream stacker towards a downstream stacker.
6. A device according to claim 1, characterized in that it further comprises a stop plate (81) permitting the letters to be stackled in accordance with a common reference level.
7. A device according to claim 1, characterized in that the pallet (5) moves along an axis (6) from the top to the bottom of the stacker (30).
8. A device according to claim 7, characterized in that the stacker (30) is equipped with strips (7) of a material permitting a good sliding of the stack during its formation and during the filling of the stacker.
9. A device according to claim 7, characterized in that a jamming means (8) permits the mechanical locking of the pallet (5) in the bottom position.
10. A device according to claim 9, characterized in that the locking of the pallet (5) leads to the inhibition of the concerned box.
EP83400246A 1982-02-19 1983-02-04 Device for deflecting and stacking envelopes Expired EP0087340B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202793A FR2521964B1 (en) 1982-02-19 1982-02-19 PLY SWITCHING AND STACKING DEVICE
FR8202793 1982-02-19

Publications (2)

Publication Number Publication Date
EP0087340A1 EP0087340A1 (en) 1983-08-31
EP0087340B1 true EP0087340B1 (en) 1986-04-02

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EP83400246A Expired EP0087340B1 (en) 1982-02-19 1983-02-04 Device for deflecting and stacking envelopes

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US (1) US4623140A (en)
EP (1) EP0087340B1 (en)
AU (1) AU567289B2 (en)
CA (1) CA1225612A (en)
DE (1) DE3362752D1 (en)
FR (1) FR2521964B1 (en)

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Publication number Publication date
CA1225612A (en) 1987-08-18
EP0087340A1 (en) 1983-08-31
FR2521964A1 (en) 1983-08-26
FR2521964B1 (en) 1986-01-31
AU1164783A (en) 1983-08-25
DE3362752D1 (en) 1986-05-07
AU567289B2 (en) 1987-11-19
US4623140A (en) 1986-11-18

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