EP0009218B1 - Procédé et dispositif pour déposer des câbles de filaments ou de fibres en mouvement - Google Patents

Procédé et dispositif pour déposer des câbles de filaments ou de fibres en mouvement Download PDF

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Publication number
EP0009218B1
EP0009218B1 EP79103443A EP79103443A EP0009218B1 EP 0009218 B1 EP0009218 B1 EP 0009218B1 EP 79103443 A EP79103443 A EP 79103443A EP 79103443 A EP79103443 A EP 79103443A EP 0009218 B1 EP0009218 B1 EP 0009218B1
Authority
EP
European Patent Office
Prior art keywords
cable
pins
wheels
roller
wheel
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
EP79103443A
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German (de)
English (en)
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EP0009218A1 (fr
Inventor
Herbert Dr. Kurzke
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.)
Vepa AG
Original Assignee
Vepa AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19782840664 external-priority patent/DE2840664C2/de
Priority claimed from DE19782845881 external-priority patent/DE2845881C2/de
Application filed by Vepa AG filed Critical Vepa AG
Priority to AT79103443T priority Critical patent/ATE4188T1/de
Publication of EP0009218A1 publication Critical patent/EP0009218A1/fr
Application granted granted Critical
Publication of EP0009218B1 publication Critical patent/EP0009218B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/76—Depositing materials in cans or receptacles
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention first relates to a method for depositing running filament or fiber cables, in which the goods, which are preferably delivered at high speed, are fed from a delivery device, then decelerated with respect to its straight-line movement by moving into a winding position by means of two at a distance parallel to each other, shifted away from each other, but still partially overlapping wheels, on the sides of which axially aligned pins are fastened overlapping one another as deflection members, is deflected into a zigzag position, then the turns are then immediately released again by the deflection members and thus be fed to a storage device in free fall according to the loop speed.
  • DE-A-2 261 366 discloses a method according to which the speed of the fiber cable is reduced by braking the fiber cable with respect to its rectilinear movement in such a way that it can be safely placed in a can.
  • the cable is fed into moving conveyors, the speed of which is lower than the cable speed.
  • a device is then known which consists of two cooperating conveyor rollers which can be moved in the opposite direction of rotation and in which essentially radial webs are arranged on the lateral surface at the same distance.
  • the fiber cable meets the fiber cable stacked in the conveying member in the direction of its axis, where it is forced by compression to form folds which are arbitrary. Therefore it is impossible to avoid splaying of the fiber cable and confusion in the cable.
  • the object of the invention is to develop an additional method for storing goods, with which any changes in the cable cohesion, in particular also in the goods already stored, are avoided.
  • the device for carrying out the method is to be improved overall, not only to be supplemented, in order to obtain a device which is always functional, easy to operate and in particular easily accessible in practice.
  • the invention provides, in order to achieve the object, that the material, placed in uniform zigzag turns, be shifted closer to each other at least once before final storage.
  • the purpose of this is not to increase the number of folds in order to reduce the depositing speed, but rather only to fold the folds closer together, which automatically results in a low falling speed of the cable into the can.
  • the deflection elements exert a not too great longitudinal tension on the cable when the folds are formed. It is therefore advantageous to guide the cable between the delivery device and the fold-forming member by means of additional conveyance. This causes the product to be fed into the wrinkling organ with little tension.
  • the device for carrying out the method consists first of all of the pair of wheels known from EP-A-9 162 with two spaced-apart parallel, mutually displaced, but still partially overlapping wheels, on the sides of which axially aligned pins as Deflection devices for the material to be laid in turns are attached to one another. If, by means of this device, approximately horizontally extending folds are fed to the can, it is advantageous if the turns come to rest close to one another. It is therefore envisaged to arrange an organ that adjoins this winding formation element in front of the depositing device and that accommodates the windings in their laid width as the upsetting device that places the windings closer together. A chute, a driven revolving transport roller or an endless belt would be conceivable as the upsetting device.
  • the transport roller with its horizontally aligned axis should be arranged vertically below the windings flying towards the roller.
  • the fold that has just been deposited is then removed from the point of impact by the rotation of the transport roller and is thus conveyed in the direction of the can. So the successive turns cannot collide.
  • the upsetting device Since the windings strike the upsetting device at a certain speed, it can be advantageous to support the release of the turns from the upsetting device. It is therefore expedient to assign a stripper to the upsetting device, in particular the conveyor device. For this purpose it is advisable to provide the transport roller with circumferentially parallel grooves in which a finger-shaped cable wiper engages. In this way, the capillaries lying directly on the roller are reliably detected by the stripper.
  • the transport roller can be designed as a suction drum under suction.
  • the conveying device can oscillate in order to influence an even filling of the can.
  • the device according to EP-A-9162 consists of two wheels, the deflection pins being attached to the spokes of these wheels.
  • the pinwheels can be mounted on two intermeshing gearwheels, one of which is driven by a controllable motor. If the wheels are equipped with different perforated rings, the engagement and loop length can be changed by reassembling the pins according to the radii and divisions of the perforated rings.
  • the pair of wheels with an additional conveying device, e.g. pre-arrange an injector nozzle, a pair of reel sprockets, pins or gears; because it would not be a good thing if the pair of pinwheels had to build up a substantial tension to the pull-off unit.
  • an injector nozzle With the interposition of an injector nozzle, it is also possible to maintain the pull-off voltage from the pull-off required to avoid winding. At the same time, the tension between the nozzles and the pin wheels is set as low as desired. The otherwise damaging effect of the injector nozzle, which can destroy the cohesion of the cable, is ineffective here, since the cable is brought back together in an orderly manner on the pair of pin wheels.
  • Inserting the cable is particularly easy if the pins of one pin wheel, e.g. 10-15 mm longer than that of the other pin wheel. You can then guide the cable picked up with a suction nozzle all the way around the pin wheel without the cable coming into contact with pins of the other wheel. If you then move a thread guide attached shortly before the pin wheel into an end position (thread guide approximately in the middle of the interlocking pins), the cable automatically threads itself.
  • this can be achieved by using e.g. an injector nozzle or a small pair of pinwheels or gearwheels with a relatively small number of pins or teeth and a small loop length is switched on, which supplies the necessary pull-off voltage for pre-pulling.
  • the small pair of pinwheels must then rotate at about the spinning speed in order to achieve the required tension for pulling off.
  • the cable is then routed loosely or in a free-hanging loop of a thread brake, which ensures a low pre-tension of the cable entering the pair of storage pinwheels.
  • the spinning cable 1 coming from the spinning machine is fed to the driven rotating pin wheels 3 and 4 via the pull-off 2.
  • the pin wheels consist of two axially parallel disks or wheels, which have the same number of axially parallel pins a "a2 .... b" b 2 ... arranged around their circumference.
  • the pin wheels 3 and 4 are arranged so that the wreaths formed by the pins face each other and interlock.
  • the pins are arranged such that, for example, a pin b of the wheel 4 is in the gap between the pins a and a 2 of the wheel 3.
  • the cable can be easily threaded to operate the device.
  • the cable 1 When brought into contact with the pins running towards one another, the cable 1 automatically zigzags around the pins, each time outside around the pins, as seen from the associated wheel axle. If the cable 1 has passed the middle of the engagement of the pin wheels, it no longer has any folding forces acting on it. Under the influence of the centrifugal force, the cable detaches from the pins while maintaining the loop shape and leaves the pair of pin wheels in this loop shape. Loop angle and loop length are determined by the engagement of the pin wheels. In any case, this should be more than 10 mm. With these pin wheels, interventions of 50 mm and more can be easily adjusted with the correspondingly large loop lengths, without there being a risk of pinching the cable.
  • the folded cable leaving the pin wheels 3 and 4 falls onto a rotating roller 5, which is arranged exactly below the falling cable turns and whose axis is perpendicular to the axes of the pin wheels.
  • the sudden braking of the folds onto the roller 5 does not damage the fiber cable, since the impact occurs perpendicular to the longitudinal direction of the individual capillaries of the fiber cable.
  • the pleats are simultaneously laid, so that the individual capillaries of a loop lie on one another at the final laying angle after being folded. This prevents confusion of the cable and an inadmissible shifting of the cable that has already been deposited.
  • the folded cable now leaves the roller under the action of centrifugal force and gravity, preferably with the help of an additional scraper 6, and falls at a normal rate of fall, possibly in a slight arc, into the storage can 7 below.
  • the loop speed Vs after leaving the pin wheels depends on the delivery speed. B. from the spinning speed v a , the number of pins and the engagement of the pin wheels. For example, if the pin wheel diameter is 25.2 cm, each wheel has 24 pins with a diameter of 10 mm and if the engagement is 15.3 cm, it is quick speed of the loops in relation to the delivery speed vs .: 0.17 v a .
  • the cable 1 can be fed to the pinwheel pair as desired. It can be done by placing the cable around the pins of one wheel as shown. There is then a relative movement between the pins and the cable. The cable will slide on it, but this is of no significant importance. However, it may be expedient to immediately arrange an additional conveying device, such as an injector nozzle, to the pair of wheels 3, 4 in order to favorably influence the low-tension feed of the cable into the pair of wheels 3, 4.
  • the conveyor can also be arranged so that the cable is inserted immediately between the interlocking pins. Using an injector nozzle as a conveying device is possible without disadvantage since any inflation of the cable in the pair of pinwheels is reversed.
  • the roller 5 is advantageously designed as a grooved roller (FIG. 1) into which the finger-shaped wiper 6 engages. This means that individual capillaries adhering to the roller surface can be lifted off the roller surface undamaged since they are perpendicular to the wiper in accordance with the loop direction. A rotating belt with a scraper or a suction drum under suction can also take the place of the roller.
  • an additional traversing of the loop cable can be advantageous. It can be achieved very simply by setting the roller 5 in a periodic, reciprocating rotary movement about an axis perpendicular to the roller axis (FIG. 5).
  • the loop cable leaves the roller in the direction of the centrifugal force, the direction of which is continuously changed by the rotation, so that the cable oscillates.
  • the tape folding described by pin wheels has the decisive advantage over a gear rack that pinch points in the cable can no longer occur.
  • the adjustment of the wheels to certain loop lengths is not critical. It is done by adjusting the engagement of the two pin rings. With the engagement of the two pin wheels and their peripheral speed, the tension of the running cable between the pin wheels and the pull-off can be adjusted.
  • the pens z. B consist of commercially available ceramic tubes with a metal core.
  • FIG. 1 an intermediate deduction is provided compared to the illustration in FIG. 1.
  • the cable 1 runs to the intermediate take-off 8, such as an injector nozzle or gear pair, is taken up after the intermediate take-off with the threading suction nozzle, not shown, and via thread guide rollers 9 and 10 by a thread brake 11 and the guide guide 12 in the initial position around the pin wheel 4 out to below the rotating pinwheel pair (see Fig. 7).
  • the guide guide 12 is brought into the end position according to the arrow in FIG. 7.
  • the cable 1 thus threads itself into the pinwheel pair 3, 4, and the suction nozzle can be switched off. Now the speed of the pinwheel pair 3, 4 is reduced to such an extent that between 12 and 10 there is no longer any significant cable tension.
  • the thread guide roller 10 is then removed from the thread run and the speed of the pinwheel pair 3, 4 finely regulated so that a free cable loop 13, which can be set to any length, hangs between the intermediate take-off 8 and the thread brake 11.
  • the length of the loop 13 can by z. B. a button 14 or be determined by an optical control device. This control element then has to bring the pulling-off speed of the pinwheel pair 3, 4 into the desired target state.
  • the thread brake 11 can be replaced by making the thread guide roller 9 variable in length. It is expedient to make them movable according to arrow 16 with a maximum deflection. Furthermore, a slight preload of the cable in front of the pin wheel 3, 4 ensures a weight or spring loading of the roller 9, which after removal me the thread guide roller 10 is effective from the cable run.
  • the wheel 4 has longer pins than the wheel 3. This results in an area on the pins b of the wheel 4 on which the cable 1 to be threaded can be placed without touching the pins a of the wheel 3. After the cable 1 has been moved with the guide 12 into the grooves 15 shown enlarged in FIG. 8, the cable is threaded into the pin wheels 3, 4 in a functional manner.

Landscapes

  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Claims (29)

1. Procédé de dépôt de câbles courants faits de filaments ou de fibres, selon lequel le produit (1), avantageusement débité à grande vitesse, est amené d'un dispositif d'alimentation (2), est ensuite freiné par rapport à son mouvement rectiligne par passage à une position d'enroulement, en ce sens qu'il est amené à dévier pour prendre une position en zigzag sous l'action de deux roues (3, 4) disposées parallèlement à distance l'une de l'autre, qui sont décalées l'une par rapport à l'autre, mais qui se chevauchent cependant encore en partie, roues aux faces tournées l'une vers l'autre desquelles des broches dirigées axialement sont fixées pour jouer le rôle d'organes de déviation (a, b), les broches des deux roues s'entrecroisant, les enroulements étant, immédiatement après cela, libérés des organes de déviation (a, b) et étant ainsi amenés en chute libre, en fonction de la vitesse des boucles, à un dispositif de dépôt (7), le procédé étant caractérisé en ce que, le produit (1) étant disposé en enroulements en zigzag réguliers, ces enroulements, avant le dépôt définitif, sont au moins une fois déplacés l'un par rapport à l'autre de façon à se présenter sous une forme plus compacte.
2. Procédé suivant la revendication 1, caractérisé en ce que le produit (1) est transporté sous faible tension vers le dispositif de dépôt intermédiaire (5, 6).
3. Procédé suivant l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le produit (1) est guidé par un dispositif transporteur complémentaire (8) entre le dispositif d'alimentation (2) et le dispositif de formation d'enroulements (3, 4), de façon qu'il soit obtenu une amenée de ce produit (1) sous faible tension dans la zone de formation des enroulements.
4. Dispositif destiné à l'exécution du procédé suivant l'une ou plusieurs des revendications 1 à 3, comportant un dispositif d'amenée de câble (2), un dispositif de formation d'enroulements (3, 4), qui se compose de deux roues (3, 4) disposées parallèlement à distance l'une de l'autre, qui sont décalées l'une par rapport à l'autre, mais qui se chevauchent cependant encore en partie, roues aux faces tournées l'une vers l'autre desquelles des broches dirigées axialement sont fixées pour jouer le rôle d'organes de déviation (a, b) afin d'amener le produit (1) à se disposer en enroulements, ces broches des deux roues s'entrecroisant, ainsi qu'un dispositif de dépôt (7) adjoint au dispositif précité (3, 4), tel qu'un pot, le dispositif destiné à l'application du procédé étant caractérisé en ce qu'il comporte, à la suite du dispositif de formation d'enroulements (3, 4) et en amont du dispositif de dépôt (7), un dispositif qui reçoit les enroulements à leur largeur formée et qui agit comme dispositif de refoulement rapprochant les enroulements l'un de l'autre de façon qu'ils se présentent sous une forme plus compacte.
5. Dispositif suivant la revendication 4, caractérisé en ce que le dispositif de refoulement est prévu sous forme de rouleau (5).
6. Dispositif suivant la revendication 4, caractérisé en ce que le dispositif de refoulement est prévu sous forme de couloir.
7. Dispositif suivant la revendication 5, caractérisé en ce que le dispositif de refoulement est prévu sous forme de rouleau transporteur à rotation commandée (5) ou sous forme de bande sans fin.
8. Dispositif suivant la revendication 7, caractérisé en ce que le rouleau transporteur (5) est monté de telle façon que son axe, de direction horizontale, se trouve perpendiculairement en dessous des enroulements arrivant à ce rouleau.
9. Dispositif suivant l'une ou l'autre des revendications 7 et 8, caractérisé en ce que le rouleau transporteur (5) présente une surface qui est parcourue de l'extérieur vers l'intérieur.
10. Dispositif suivant les revendications 5 à 9, caractérisé en ce qu'au dispositif de refoulement est adjoint un élément racleur (6).
11. Dispositif suivant la revendication 7, caractérisé en ce que le rouleau transporteur (5) présente des rainures périphériques tournantes parallèles dans lesquelles s'engage un élément racleur de câble (6) qui comporte des doigts.
12. Dispositif suivant les revendications 4 à 11, caractérisé en ce que le dispositif de refoulement est prévu sous une forme telle qu'il peut être déplacé d'un angle, en sens alternants, sur un axe, perpendiculairement à l'axe du rouleau.
13. Dispositif en particulier suivant la revendication 4, caractérisé en ce que la paire de roues est formée de deux disques ou plateaux (3, 4) qui sont prévus à une distance l'un de l'autre équivalente à un peu plus de la longueur des broches et qui sont déplacés parallèlement l'un par rapport à l'autre.
14. Dispositif suivant la revendication 13, caractérisé en ce qu'il comporte, en amont de la paire de roues (3, 4), pour l'amenée du produit (1) sous faible tension, un dispositif transporteur complémentaire, par exemple une buse d'injecteur (8).
15. Dispositif suivant l'une ou l'autre des revendications 13 et 14, caractérisé en ce que les distances radiales des broches (a, b) de chacune des roues (3, 4) peuvent être modifiées.
16. Dispositif suivant la revendication 15, caractérisé en ce que les roues (3, 4) sont percées de plusieurs couronnes de trous dans lesquels les broches peuvent être placées selon la distance radiale voulue.
17. Dispositif suivant la revendication 13 ou les revendications 15 et 16, caractérisé en ce que les broches (b) de l'une (4) des roues sont prévues par exemple de 10 à 15 mm plus longues que celles de l'autre roue (3).
18. Dispositif suivant la revendication 17, caractérisé en ce que le câble (1) à enfiler ou à faire passer ne vient se placer que sur les broches (b) de l'une (4) des roues, c'est-à-dire de la roue portant les broches les plus longues, et en ce qu'à courte distance en amont de la paire de roues (3, 4), il est prévu un guide-câble (12) qui, pour l'enfilage du câble entre les barres qui s'entrecroisent, peut être déplacé latéralement.
19. Dispositif suivant l'une quelconque des revendications 13 à 18, en particulier suivant la revendication 18, caractérisé en ce que les broches (a, b) sont munies d'un support de retenue (15) pour le câble (1), qui pourrait se déplacer en glissant latéralement.
20. Dispositif suivant la revendication 19, caractérisé en ce que les broches (a, b) de l'une des roues (3, 4) présentent chacune une rainure s'ouvrant radialement vers l'extérieur (15), les rainures étant prévues à égale distance axiale du disque de roue correspondant.
21. Dispositif suivant la revendication 20, caractérisé en ce que les broches (a, b) des deux roues (3, 4) présentent une telle rainure (15) et en ce que les rainures se trouvent en succession l'une derrière l'autre, suivant une ligne, lorsque les roues sont montées pour se trouver en état de fonctionnement.
22. Dispositif suivant l'une ou l'autre des revendications 20 et 21, caractérisé en ce que les rainures (15) présentent des flancs en oblique aux bords externes.
23. Dispositif suivant la revendication 22, caractérisé en ce que les rainures présentent des flancs à peu près verticaux vers les arêtes de base.
24. Dispositif suivant les revendications 18 et 20, caractérisé en ce que le guide-câble présente une largeur de fente ou d'ouverture qui est plus faible que la largeur de la rainure des broches.
25. Dispositif suivant l'une quelconque des revendications 18 à 24, caractérisé en ce que les roues (3, 4) sont garnies d'un nombre inégal de broches (a, b) de telle sorte que l'une des roues n'est munie que d'un demi-nombre ou d'une fraction de nombre, en nombre entier, de broches.
26. Dispositif suivant l'une quelconque des revendications 13 à 25, comportant un guide-câble monté en amont du dispositif de formation d'enroulements, caractérisé en ce qu'un frein de câble (11, 9) est prévu en amont de ce guide-câble.
27. Dispositif suivant la revendication 26, caractérisé en ce que le câble, lorsque le dispositif se trouve à l'état de fonctionnement, est guidé sous faible tension à l'avant du frein de câble et est avantageusement guidé en une boucle pendant librement (13).
28. Dispositif suivant la revendication 27, caractérisé en ce que la tension du câble entrant dans le dispositif de pliage et/ou la longueur de la boucle pendant librement sont réglées par un moyen électronique et de façon continue (14).
29. Dispositif suivant la revendication 26, caractérisé en ce que le frein de câble est constitué par un rouleau guide-fil (9) chargé par ressort ou chargé d'un poids, rouleau guide-fil qui règle la course et la tension avec une déviation maximale, par exemple dans une boucle de câble (14).
EP79103443A 1978-09-19 1979-09-14 Procédé et dispositif pour déposer des câbles de filaments ou de fibres en mouvement Expired EP0009218B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79103443T ATE4188T1 (de) 1978-09-19 1979-09-14 Verfahren und vorrichtung zum ablegen von laufenden filament- oder faserkabeln.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19782840664 DE2840664C2 (de) 1978-09-19 1978-09-19 Verfahren und Vorrichtung zum Ablegen von laufenden Filament- oder Faserkabeln
DE2840664 1978-09-19
DE19782845881 DE2845881C2 (de) 1978-10-21 1978-10-21 Vorrichtung zum Ablegen von laufenden Filament- oder Faserkabeln
DE2845881 1978-10-21

Publications (2)

Publication Number Publication Date
EP0009218A1 EP0009218A1 (fr) 1980-04-02
EP0009218B1 true EP0009218B1 (fr) 1983-07-20

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SU499200A1 (ru) * 1974-03-29 1976-01-15 Ленинградский институт текстильной и легкой промышленности им.С.М.Кирова Устройство дл зигзагообразной укладки жгута в контейнер
DE2420332A1 (de) * 1974-04-26 1975-11-20 Vepa Ag Einrichtung fuer das kraeuseln und fixieren von kunststoffaeden
DE2420333C2 (de) * 1974-04-26 1985-06-13 Vepa AG, Riehen, Basel Vorrichtung zum fortlaufenden Ablegen von synthetischen Fäden
US3999971A (en) * 1974-11-07 1976-12-28 Ppg Industries, Inc. Apparatus for producing crimped fiber glass strand
JPS5834382B2 (ja) * 1975-03-12 1983-07-26 東洋紡績株式会社 合成繊維糸条の高速引取り方法および装置
US4174799A (en) * 1975-08-28 1979-11-20 Officine Savio S.P.A. System for the temporary storage of yarn
DE2655733A1 (de) * 1976-12-09 1978-06-15 Hoechst Ag Kabeleinleger
DE2704866C2 (de) * 1977-02-05 1985-06-13 Vepa AG, Riehen, Basel Vorrichtung zum Ablegen von mit hoher Geschwindigkeit angelieferten Fäden oder Fadenkabeln

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US4422225A (en) 1983-12-27

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