EP0517746A1 - Fabric conveyor system. - Google Patents

Fabric conveyor system.

Info

Publication number
EP0517746A1
EP0517746A1 EP91904491A EP91904491A EP0517746A1 EP 0517746 A1 EP0517746 A1 EP 0517746A1 EP 91904491 A EP91904491 A EP 91904491A EP 91904491 A EP91904491 A EP 91904491A EP 0517746 A1 EP0517746 A1 EP 0517746A1
Authority
EP
European Patent Office
Prior art keywords
toothed
pressure
belts
textile
belt
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.)
Granted
Application number
EP91904491A
Other languages
German (de)
French (fr)
Other versions
EP0517746B1 (en
Inventor
Johannes Freermann
Dieter Malcherek
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.)
Carl Schmale GmbH and Co
Original Assignee
Carl Schmale GmbH and Co
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
Application filed by Carl Schmale GmbH and Co filed Critical Carl Schmale GmbH and Co
Priority to AT91904491T priority Critical patent/ATE103259T1/en
Publication of EP0517746A1 publication Critical patent/EP0517746A1/en
Application granted granted Critical
Publication of EP0517746B1 publication Critical patent/EP0517746B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/02—Handling garment parts or blanks, e.g. feeding, piling, separating or reversing
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile; fibres
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a goods guidance system, in particular for automatic cutting and sewing systems for textile webs or the like, the textile web or individual pieces preferably at their edges by continuous conveyors, such as endless belts, to processing stations such as stations for folding, hemming, edge hardening or the like. is guided, and wherein the textile web is guided between the endless belt and a stationary rail or stationary, freely rotatable rollers.
  • Such goods guidance systems are often used in automatic textile machines of all kinds. It is important to guide the textile goods precisely to or between the processing stations in order to avoid errors. These can arise from slippage of the textile material in the guides and also from slippage of the smooth belt in relation to its drive pulley. If one speaks simplistically of textile goods, then there should be any kind of flat
  • the invention has for its object to provide a goods management system that can guide the goods precisely even over long distances at a constant speed with uniform pressure on the textile web.
  • toothed belts known per se ensures a positive, slip-free drive of the belt at a constant speed.
  • the toothed belt can be effectively supported over its effective length by a large number of resilient pressure shoes, so that sagging of the belt between deflection rollers is avoided and, at the same time, the belt is pressed evenly against the textile web.
  • flat belts can also be used instead of toothed belts.
  • Figure 1 is a side view of the goods guide, partially in section.
  • FIG. 1 A side view is shown in FIG. 1.
  • a textile web 2 is attached to its edges by means of a? endless timing belt 1 between this and above
  • the toothed belt 1 moves in the direction of the arrow 11.
  • a plurality of resilient pressure shoes 3 are arranged, which abut one another in the longitudinal direction of the belt and support them with the blunt tooth surfaces of the toothed belt 1 pointing downwards To be in touch.
  • the toothed belt 1 is guided over deflection rollers (not shown) which are designed as toothed pulleys and at least one of which is driven.
  • the pressure shoes 3 are provided over the entire effective belt length.
  • the individual pressure shoes 3 have a length which is dimensioned in relation to the tooth pitch of the toothed belt 1 in such a way that at most one tooth with its surface facing the pressure shoe 3 is not supported on the surface of the pressure shoe 3. In this way, another tooth is always on when a tooth leaves the surface of the pressure shoe.
  • Each pressure shoe 3 is provided approximately in the middle with a slot 5 which is held by a holding pin 4
  • pressure shoe 3 is engaged when the pressure shoe 3 has reached its upper maximum position.
  • pressure springs 6 are provided at the same distance, which are guided in blind holes 7, 8, which are provided on the one hand in the pressure shoe and on the other hand in a stationary bar 9.
  • the pressure shoes 3 are provided on the run-up side of the toothed belt 1 in the direction of the arrow 11 with an oblique leading edge 12 in order to prevent a tooth from biting on the pressure shoe 3
  • Fig. 2 shows a cross section along II-II in Fig. 1.
  • the pin 4 and the bar 9 are fixed to the machine frame.
  • the slot 5 can be seen, in which the pin 4 engages.
  • the toothed belt 1 sits on the pressure shoe 3.
  • the textile web 2 is guided by the upper guide roller 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Advancing Webs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

Dans un système de guidage de tissus, notamment pour installations automatiques de découpage et de couture de bandes textiles ou similaires, la bande textile ou des pièces individuelles sont transportées par leurs bords par des engins de manutention continue, tels que des courroies sans fin, jusqu'à des stations de travail telles que des stations de pliage, de formation d'ourlets, de renforcement des bords ou similaires. La bande textile est conduite entre la courroie sans fin et un rail stationnaire ou des rouleaux stationnaires librement rotatifs. Afin d'assurer un guidage précis du tissu avec une vitesse constante, même sur de longues distances, avec une pression uniforme de la bande textile, les courroies de transport en continu forment des courroies dentées (1) susceptibles d'être entraînées au moyen de disques dentés et dont la face lisse ou la face dentée est en contact avec la bande textile (2), la face opposée de la courroie dentée (1) étant soutenue par une pluralité de sabots de pression (3) à ressorts.In a fabric guide system, in particular for automatic cutting and sewing installations for textile or similar bands, the textile band or individual pieces are transported by their edges by continuous handling machines, such as endless belts, up to '' at work stations such as folding stations, hemming, edge strengthening or the like. The textile strip is routed between the endless belt and a stationary rail or freely rotating stationary rollers. In order to ensure precise guiding of the fabric at a constant speed, even over long distances, with uniform pressure of the textile strip, the continuous conveyor belts form toothed belts (1) capable of being driven by means of toothed discs, the smooth face or the toothed face of which is in contact with the textile strip (2), the opposite face of the toothed belt (1) being supported by a plurality of pressure shoes (3) with springs.

Description

arenführungssystem arena management system
Die Erfindung betrifft ein Warenführungssystem insbesondere für automatische Schneid- und Näh¬ anlagen von textilen Bahnen o. dgl. wobei die Textilbahn oder auch Einzelstücke vorzugsweise an ihren Rändern durch Stetigförderer wie endlose Riemen zu Bearbeitungsstationen wie Stationen zum Falten, Säumen, Kantenverfestigen o. dgl. geführt wird, und wobei die Textilbahn zwischen den Enlosriemen und einer stationären Schiene bzw. stationären, frei drehbaren Rollen geführt ist.The invention relates to a goods guidance system, in particular for automatic cutting and sewing systems for textile webs or the like, the textile web or individual pieces preferably at their edges by continuous conveyors, such as endless belts, to processing stations such as stations for folding, hemming, edge hardening or the like. is guided, and wherein the textile web is guided between the endless belt and a stationary rail or stationary, freely rotatable rollers.
Derartige Warenführungssysteme sind vielfach im Einsatz in automatischen Textilmaschinen aller Art. Dabei kommt es darauf an, das Textilgut präzise zu den bzw. zwischen den Bearbeitungs¬ stationen zu führen, um Fehler zu vermeiden. Diese können durch Schlupf des Textilguts in den Führungen und auch durch Schlupf des glatten Riemens gegenüber seiner Antriebsscheibe enstehen. Wenn vereinfachend von Textilgut gesprochen wird, so soll hier jegliche Art von flächiger Such goods guidance systems are often used in automatic textile machines of all kinds. It is important to guide the textile goods precisely to or between the processing stations in order to avoid errors. These can arise from slippage of the textile material in the guides and also from slippage of the smooth belt in relation to its drive pulley. If one speaks simplistically of textile goods, then there should be any kind of flat
Ware aus irgendwelchen Werkstoffen, wie Textil, Kunststoff, Pappe usw. verstanden werden. Besondere Schwierigkeiten bei der Führung von Textilbahnen treten dann auf, wenn diese unter¬ schiedliche Stärken haben. Bei Schlupf des Riemens gegenüber seiner Antriebsscheibe entsteht eine ungleichmäßige Geschwindigkeit des Riemens, die dann Unregelmäßigkeiten in der Ware an der Bearbeitungsstation zur Folge hat. Bei einem Durchhang des Riementrums zwischen den Umlenk¬ rollen ergibt sich bei großen Längen von einigen Metern häufig eine unterschiedliche Anpressung der Textilbahn.Goods from any materials, such as textiles, plastics, cardboard, etc. can be understood. Particular difficulties arise when guiding textile webs if they have different strengths. If the belt slips in relation to its drive pulley, an uneven speed of the belt arises, which then results in irregularities in the goods at the processing station. If the belt strand sags between the deflection rollers, the textile web is often pressed differently over long lengths of a few meters.
Der Erfindung liegt die Aufgabe zugrunde, ein Warenführungssystem zu schaffen, das die Ware präzise auch über längere Strecken mit einer konstanten Geschwindigkeit bei gleichmäßiger Anpressung der Textilbahn führen kann.The invention has for its object to provide a goods management system that can guide the goods precisely even over long distances at a constant speed with uniform pressure on the textile web.
Zur Lösung dieser Aufgabe dienen die im Haupt¬ anspruch gekennzeichneten Merkmale. Die Unter¬ ansprüche enthalten zweckmäßige weitere Ausbildungen. The features characterized in the main claim serve to solve this problem. The subclaims contain useful further training.
Durch die Verwendung von an sich bekannten Zahn¬ riemen wird ein formschlüssiger, schlupffreier Antrieb des Riemens mit konstanter Geschwindigkeit gewährleistet. Durch eine Vielzahl von federnden Anpreßschuhen kann der Zahnriemen über seine effektive Länge wirksam gestützt werden, so daß ein Durchhängen des Riemens zwischen Umlenkrollen vermieden und gleichzeitig eine gleichmäßige Anpressung des Riemens gegen die Textilbahn erfolgt. Für bestimmte Anwendungsfälle können anstelle der Zahnriemen auch Flachriemen verwendet werden.The use of toothed belts known per se ensures a positive, slip-free drive of the belt at a constant speed. The toothed belt can be effectively supported over its effective length by a large number of resilient pressure shoes, so that sagging of the belt between deflection rollers is avoided and, at the same time, the belt is pressed evenly against the textile web. For certain applications, flat belts can also be used instead of toothed belts.
In den Zeichnungen ist ein Ausführungsbeispiel des erfindungsgemäßen Warenführungssystems dargestellt. Es zeigen:In the drawings, an embodiment of the goods management system according to the invention is shown. Show it:
Fig. 1 eine Seitenansicht der Warenführung, teilweise im Schnitt;Figure 1 is a side view of the goods guide, partially in section.
Fig. 2 einen Schnitt längs der Linie II-II in Fig. 12 shows a section along the line II-II in FIG. 1st
In Fig. 1 ist eine Seitenansicht gezeigt. Eine Textilbahn 2 wird an ihren Rändern mittels eine? endlosen Zahnriemens 1 zwischen diesem und obe A side view is shown in FIG. 1. A textile web 2 is attached to its edges by means of a? endless timing belt 1 between this and above
Führungsrollen 10 geführt. Der Zahnriemen 1 bewegt sich dabei in Pfeilrichtung 11. An der Zahnseite des Zahnriemens 1 sind eine Vielzahl von federnden Anpreßschuhen 3 angeordnet, die in Riemen-Längs- richtung stirnseitig aneinanderstoßen und mit den nach unten weisenden stumpfen Zahnflächen des Zahn¬ riemens 1 diese stützend in Berührung stehen.Guide rollers 10 out. The toothed belt 1 moves in the direction of the arrow 11. On the tooth side of the toothed belt 1, a plurality of resilient pressure shoes 3 are arranged, which abut one another in the longitudinal direction of the belt and support them with the blunt tooth surfaces of the toothed belt 1 pointing downwards To be in touch.
Der Zahnriemen 1 ist über (nicht gezeigte) Umlenk- rollen geführt, die als Zahnscheiben ausgeführt sind und von denen mindestens eine angetrieben ist.The toothed belt 1 is guided over deflection rollers (not shown) which are designed as toothed pulleys and at least one of which is driven.
Die Anpreßschuhe 3 sind über die ganze wirksame Riemenlänge vorgesehen. Die einzelnen Anpreßschuhe 3 haben eine Länge, die im Verhältnis zur Zahnteilung des Zahnriemens 1 derart bemessen ist, daß höchstens ein Zahn mit seiner dem Anpreßschuh 3 zugekehrten Fläche ohne Auflage auf der Oberfläche des Anpreßschuhs 3 ist. Auf diese Weise setzt immer ein weiterer Zahn auf, wenn ein Zahn die Oberfläche des Anpreßschuhs verläßt.The pressure shoes 3 are provided over the entire effective belt length. The individual pressure shoes 3 have a length which is dimensioned in relation to the tooth pitch of the toothed belt 1 in such a way that at most one tooth with its surface facing the pressure shoe 3 is not supported on the surface of the pressure shoe 3. In this way, another tooth is always on when a tooth leaves the surface of the pressure shoe.
Jeder Anpreßschuh 3 ist etwa in seiner Mitte mit einem Schlitz 5 versehen, der mit einem Haltestift 4 Each pressure shoe 3 is provided approximately in the middle with a slot 5 which is held by a holding pin 4
in Eingriff steht, wenn der Anpreßschuh 3 seine obere Maximalstellung erreicht hat. Beiderseits des Haltestifts 4 sind in gleichem Abstand Anpreßfedern 6 vorgesehen, die in Sacklöchern 7,8 geführt sind, die einerseits im Anpreßschuh und andererseits in einer stationären Leiste 9 vorgesehen sind. Die Anpreßschuhe 3 sind an der Auflaufseite des Zahnriemens 1 in Pfeilrichtung 11 mit einer schrägen Anlaufkante 12 versehen, um ein Anecken eines Zahnes am Anpreßschuh 3 zu vermeidenis engaged when the pressure shoe 3 has reached its upper maximum position. On both sides of the retaining pin 4, pressure springs 6 are provided at the same distance, which are guided in blind holes 7, 8, which are provided on the one hand in the pressure shoe and on the other hand in a stationary bar 9. The pressure shoes 3 are provided on the run-up side of the toothed belt 1 in the direction of the arrow 11 with an oblique leading edge 12 in order to prevent a tooth from biting on the pressure shoe 3
Fig. 2 zeigt einen Querschnitt längs II-II in Fig. 1. Der Stift 4 und die Leiste 9 sind stationär am Maschinenrahmen befestigt. In dem geschnittenen Anpreßschuh 3 ist der Schlitz 5 zu erkennen, in den der Stift 4 eingreift. Der Zahnriemen 1 sitzt auf dem Anpreßschuh 3 auf. Die Textilbahn 2 wird von der oberen Führungsrolle 10 geführt. Fig. 2 shows a cross section along II-II in Fig. 1. The pin 4 and the bar 9 are fixed to the machine frame. In the cut contact shoe 3, the slot 5 can be seen, in which the pin 4 engages. The toothed belt 1 sits on the pressure shoe 3. The textile web 2 is guided by the upper guide roller 10.

Claims

Patentansprüche :Claims:
Wareπführungssystem insbesondere für automatische Schneid- und Nähanlagen von textilen Bahnen o. dgl. wobei die Textilbahn oder auch Einzelstücke vor¬ weise an ihren Rändern durch Stetigf rderer wie endlose Riemen zu Bearbeitungsstationen wie Stationen zum Falten, Säumen, Kantenverfestigen oder dergleichen geführt wird, und wobei die Textilbahn zwischen den Endlosriemen und einer stationären Schiene bzw. stationären, frei drehbaren Rollen ge¬ führt ist, dadurch gekennzeichnet, daß die als Stetigf rderer arbeitenden Riemen als Zahnriemen (1) ausgebildet sind, die über Zahnscheiben antreibbar sind, und mit ihrer ebenen Seite oder mit ihrer ge¬ zahnten Seite an der Textilbahn (2) anliegen, und daß die jeweils gegenüberliegende Seite der Zahnriemen (1) von einer Vielzahl von federnden Anpreßschuhen (3) gestützt wird.Goods guiding system, in particular for automatic cutting and sewing systems for textile webs or the like, the textile web or individual pieces being guided at their edges by continuous conveyors such as endless belts to processing stations such as stations for folding, hemming, edge consolidation or the like, and wherein the textile web is guided between the endless belts and a stationary rail or stationary, freely rotatable rollers, characterized in that the belts working as continuous conveyors are designed as toothed belts (1) which can be driven via toothed pulleys and with their flat side or rest with their toothed side on the textile web (2), and that the respectively opposite side of the toothed belt (1) is supported by a large number of resilient pressure shoes (3).
2. Warenführungssystem nach Anspruch 1, dadurch gekenn¬ zeichnet, daß die Anpreßschuhe (3) nur über einen Teil der Riemenbreite, aber über die ganze wirk¬ same Riemenlänge angeordnet sind. 2. Goods management system according to claim 1, characterized gekenn¬ characterized in that the pressure shoes (3) are arranged only over part of the belt width, but over the entire effective belt length.
3. Warenführungssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Länge der einzelnen Anpreßschuhe (3) im Verhältnis zur Zahnteilung des Zahnriemens (1) derart bemessen ist, daß höchstens ein Zahn mit seiner dem3. Goods management system according to claim 1 or 2, characterized in that the length of the individual pressure shoes (3) in relation to the tooth pitch of the toothed belt (1) is dimensioned such that at most one tooth with its
Anpreßschuh (3) zugekehrten Fläche ohne Auflage auf dem Anpreßschuh (3) ist.Pressure shoe (3) facing surface without support on the pressure shoe (3).
4. Warenführungssystem nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß jeder Anpreßschuh4. Goods management system according to one of claims 1-3, characterized in that each contact shoe
(3) in einem etwa mittigen Schlitz (5) mit einem Haltestift (4) in Eingriff steht, der die obere Maximalstellung des Anpreßschuhs (3) begrenzt, wobei beiderseits des Haltestifts (4) Anpreß- federn (6) vorgesehen sind, die einerseits in Sacklöchern (7) des Anpreßschuhs (3) und andererseits in Sacklöchern (8) einer stationären Leiste (9) geführt sind.(3) engages in an approximately central slot (5) with a retaining pin (4) which limits the upper maximum position of the pressure shoe (3), pressure springs (6) being provided on both sides of the retaining pin (4) in blind holes (7) of the pressure shoe (3) and on the other hand in blind holes (8) of a stationary ledge (9).
5. Warenführungssystem nach einem der Ansprüche 1-4, dadurch gekennzeichnet, daß die Anpreßschuhe (3) in Pfeilrichtung (11) eine schräge Anlaufkante (12) haben .5. Goods guidance system according to one of claims 1-4, characterized in that the pressure shoes (3) in the direction of the arrow (11) have an oblique leading edge (12).
6. Warenführungssystem nach einem der Ansprüche 1,2, 4-5, dadurch gekennzeichnet, daß die als6. Goods management system according to one of claims 1,2, 4-5, characterized in that the as
Stetigförderer arbeitenden Riemen Flachriemen sind, die von einer Vielzahl von federnden Anpreßschuhen (3) gestützt sind. Continuously operating belts are flat belts that are supported by a large number of resilient pressure shoes (3).
EP91904491A 1990-03-02 1991-02-22 Fabric conveyor system Expired - Lifetime EP0517746B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91904491T ATE103259T1 (en) 1990-03-02 1991-02-22 GOODS MANAGEMENT SYSTEM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9002430U DE9002430U1 (en) 1990-03-02 1990-03-02 Device for guiding goods, in particular for automatic cutting and sewing systems for textile webs or the like.
DE9002430U 1990-03-02

Publications (2)

Publication Number Publication Date
EP0517746A1 true EP0517746A1 (en) 1992-12-16
EP0517746B1 EP0517746B1 (en) 1994-03-23

Family

ID=6851521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91904491A Expired - Lifetime EP0517746B1 (en) 1990-03-02 1991-02-22 Fabric conveyor system

Country Status (8)

Country Link
US (1) US5340008A (en)
EP (1) EP0517746B1 (en)
JP (1) JP2799770B2 (en)
AU (1) AU7320491A (en)
BR (1) BR9106089A (en)
DE (2) DE9002430U1 (en)
ES (1) ES2051590T3 (en)
WO (1) WO1991013016A1 (en)

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US5857607A (en) * 1996-11-21 1999-01-12 Carl Schmale Gmbh & Co. Feed system for textile goods

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US20050245152A1 (en) * 2004-04-30 2005-11-03 Highland Industries, Inc. Coated airbag fabric
US20050245154A1 (en) * 2004-04-30 2005-11-03 Highland Industries, Inc. Coated airbag fabric
JP5585183B2 (en) * 2010-04-23 2014-09-10 富士ゼロックス株式会社 Image forming apparatus and image forming apparatus
US8114478B1 (en) 2010-09-17 2012-02-14 Dow Global Technologies Llc Dual-sided membrane sheet and method for making the same
CN103431563B (en) * 2013-08-26 2015-03-25 广东溢达纺织有限公司 Device and system for continuously pressing and ironing clothing cut parts
CN104738849B (en) * 2015-01-27 2016-08-03 江苏苏博印染有限公司 A kind of drying and shaping powder point coating combined integral machine
CN113475802B (en) * 2021-09-06 2021-11-26 常州赢康医疗器械科技有限公司 Conveying system for glove machine and working method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5857607A (en) * 1996-11-21 1999-01-12 Carl Schmale Gmbh & Co. Feed system for textile goods

Also Published As

Publication number Publication date
JPH05505380A (en) 1993-08-12
ES2051590T3 (en) 1994-06-16
JP2799770B2 (en) 1998-09-21
WO1991013016A1 (en) 1991-09-05
BR9106089A (en) 1993-02-24
US5340008A (en) 1994-08-23
AU7320491A (en) 1991-09-18
EP0517746B1 (en) 1994-03-23
DE9002430U1 (en) 1990-06-07
DE59101241D1 (en) 1994-04-28

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