EP1242297A1 - Conveyor system - Google Patents

Conveyor system

Info

Publication number
EP1242297A1
EP1242297A1 EP00983315A EP00983315A EP1242297A1 EP 1242297 A1 EP1242297 A1 EP 1242297A1 EP 00983315 A EP00983315 A EP 00983315A EP 00983315 A EP00983315 A EP 00983315A EP 1242297 A1 EP1242297 A1 EP 1242297A1
Authority
EP
European Patent Office
Prior art keywords
conveyor
conveyor unit
partial
unit
width
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
EP00983315A
Other languages
German (de)
French (fr)
Inventor
Günther Weber
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.)
Weber Maschinenbau GmbH Breidenbach
Original Assignee
Weber Maschinenbau GmbH Breidenbach
BIFORCE ANSTALT
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 Weber Maschinenbau GmbH Breidenbach, BIFORCE ANSTALT filed Critical Weber Maschinenbau GmbH Breidenbach
Publication of EP1242297A1 publication Critical patent/EP1242297A1/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/64—Switching conveyors
    • B65G47/644—Switching conveyors by a pivoting displacement of the switching conveyor
    • B65G47/648—Switching conveyors by a pivoting displacement of the switching conveyor about a vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
    • B65G47/71—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor the articles being discharged or distributed to several distinct separate conveyors or to a broader conveyor lane
    • B65G47/715—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor the articles being discharged or distributed to several distinct separate conveyors or to a broader conveyor lane to a broader conveyor lane

Definitions

  • the invention relates to a conveyor system for transferring at least one line-shaped input stream of successively cut and preferably stacked food products such as sausage, ham, cheese and the like into at least one output stream which is laterally offset with respect to the input stream using a plurality of conveyor units arranged in series.
  • the object of the present invention is to significantly increase the working speed and thus the performance of the conveyor system.
  • the aim is to ensure that during the conveying process, the conveyed products or product stacks have as little as possible any effects which impair or change the stack shape.
  • a one-part or multi-part first conveyor unit for receiving the products cut open by means of a cutting machine, an adjoining second conveyor unit with a greater width in comparison to the first conveyor unit, with its upstream end transversely to the conveying direction - device and can be moved and pivoted relative to the downstream end of the first conveyor unit, and a third conveyor unit which is then arranged at the stationary downstream end of the second conveyor unit.
  • the second conveying unit consists of two successive partial conveying units, both the downstream end of the first partial conveying unit and the upstream end of the second partial conveying unit adjoining it moving transversely to the conveying direction. or is designed to be pivotable.
  • Fig. La to lc schematic top views of a conveyor system in different operating states
  • 2a to 2c a second preferred embodiment of the invention in the form of top views of a conveyor system at different times of operation.
  • 1 shows a cutting machine, in particular a slicer for cutting open food products with a high or very high cutting sequence.
  • a first conveyor unit 1 Downstream of the cutting machine 10 with the associated portion formation unit is a first conveyor unit 1 for the removal of the cut products, e.g. in the form of stacks 9, and for transferring these products to a subsequent second conveyor unit.
  • the first conveyor unit 1 is followed by a second conveyor unit 2, which is wider than the first conveyor unit 1 transversely to the conveying direction and whose upstream end 4 is designed to be movable or pivotable transversely to the conveying direction.
  • This second conveyor unit 2 is followed by a third conveyor unit 3, which directly adjoins the stationary downstream end of the second conveyor unit and on which, depending on the control of the pivotable upstream end 4 of the second conveyor unit 2, specific product streams can be generated.
  • FIGS. 1b and 1c which show the upstream end 4 of the second conveyor unit 2 in the two possible extreme positions, the serially fed Product stack 9 positioned on the third conveyor unit 3 side by side in pairs.
  • 2a to 2c show a preferred embodiment of the invention, which differs from the conveyor system described above in that the second conveyor unit is replaced by two partial conveyor units 5, 6, the upstream partial conveyor unit 5 having a smaller width than that adjoining partial conveying unit 6 and both the downstream end 7 of this first partial conveying unit and the immediately adjacent upstream end 8 of the second partial conveying unit 6 are designed to be movable or pivotable transversely to the conveying direction and in opposite directions to one another.
  • the downstream end 7 of the first partial conveying unit and the upstream end 8 of the second partial conveying unit 6 are moved in opposite directions, these paths adding up with respect to the product displacement.
  • an increase in the working speed of the overall system can be achieved and on the other hand it can be ensured that the transverse forces acting on the product stack 9 are kept low, since the individual movements of the partial conveyor units 5, 6 can be kept lower than this due to the speed addition would be possible without the presence of such partial conveyor units.
  • the individual conveyor units are preferably designed as so-called multi-element strip conveyors, which are generally known. The transverse movements of the respective ends of the conveyor units can be ramp-controlled, so that the beginning and end of a transverse movement do not run jerkily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

The invention relates to a conveyor system for transporting at least one linear entry stream of a product into exit streams of said product which are laterally offset in relation to the entry stream. The conveyor system is provided with two successive conveyor units (5, 6) whose adjacent downstream (7, 8) or upstream ends can be displaced in opposite directions in relation to each other, transversally to the direction of transport.

Description

Fördersystem conveyor system
Die Erfindung betrifft ein Fördersystem zur Überführung zumindest eines linienförmigen Eingangsstroms von aufeinanderfolgend mit hoher Geschwindigkeit aufgeschnittenen und vorzugsweise gestapelten Lebensmittelprodukten wie Wurst, Schinken, Käse und dergleichen, in zumindest einen bezüglich des Eingangsstroms seitlich versetzten Ausgangsstrom unter Verwendung mehrerer in Serie angeordneter Fördereinheiten.The invention relates to a conveyor system for transferring at least one line-shaped input stream of successively cut and preferably stacked food products such as sausage, ham, cheese and the like into at least one output stream which is laterally offset with respect to the input stream using a plurality of conveyor units arranged in series.
Fördersysteme dieser Art sind grundsätzlich bekannt und befinden sich in großer Zahl im praktischen Einsatz.Conveyor systems of this type are generally known and are in large numbers in practical use.
Aufgabe der vorliegenden Erfindung ist es, die Arbeitsgeschwindigkeit und damit die Leistungsfähigkeit des Fördersystems wesentlich zu steigern. Außerdem soll erreicht werden, daß während des Fördervorgangs auf die geförderten Produkte bzw. Produktestapel möglichst keine die Stapelform beeinträchtigenden bzw. verändernden Kräfte einwirken.The object of the present invention is to significantly increase the working speed and thus the performance of the conveyor system. In addition, the aim is to ensure that during the conveying process, the conveyed products or product stacks have as little as possible any effects which impair or change the stack shape.
Gelöst wird diese Aufgabe nach der Erfindung im wesentlichen durch eine ein- oder mehrteilige erste Fördereinheit zur Aufnahme der mittels einer Schneidmaschine aufgeschnittenen Produkte, eine sich daran anschließende zweite Fördereinheit mit einer im Vergleich zur ersten Fördereinheit größeren Breite, die mit ihrem oberstromigen Ende quer zur Förderrich- tung und relativ zum unterstromigen Ende der ersten Fördereinheit verfahr- und verschwenkbar ist, sowie eine dritte Fördereinheit, die anschließend an das stationäre unterstromige Ende der zweiten Fördereinheit angeordnet ist. Eine besonders vorteilhafte Ausführungsform der Erfindung zeichnet sich dadurch aus, daß die zweite Fördereinheit aus zwei aufeinanderfolgenden Teil-Fördereinheiten besteht, wobei sowohl das unterstromige Ende der ersten Teil-Fördereinheit als auch das daran angrenzende oberstromige Ende der zweiten Teil-Fördereinheit quer zur Förderrichtung verfahr- oder verschwenkbar ausgebildet ist.This object is achieved according to the invention essentially by a one-part or multi-part first conveyor unit for receiving the products cut open by means of a cutting machine, an adjoining second conveyor unit with a greater width in comparison to the first conveyor unit, with its upstream end transversely to the conveying direction - device and can be moved and pivoted relative to the downstream end of the first conveyor unit, and a third conveyor unit which is then arranged at the stationary downstream end of the second conveyor unit. A particularly advantageous embodiment of the invention is characterized in that the second conveying unit consists of two successive partial conveying units, both the downstream end of the first partial conveying unit and the upstream end of the second partial conveying unit adjoining it moving transversely to the conveying direction. or is designed to be pivotable.
Durch das Zusammenspiel dieser beiden Teil-Fördereinheiten und ihre gegensinnige Verschwenkung ist es möglich, die einzelne Teil- Fördereinheit mit geringerer Geschwindigkeit zu verschwenken, da sich die gegensinnigen Schwenkbewegungen hinsichtlich der gewünschten Produktversetzung addieren, so daß zum einen dennoch eine Steigerung der Arbeitsgeschwindigkeit möglich ist und zum anderen störende Quer- beschleunigungen auf die Produkte vermieden werden.Through the interaction of these two partial conveyor units and their opposite pivoting, it is possible to pivot the individual partial conveyor unit at a lower speed, since the opposite pivoting movements add up with respect to the desired product displacement, so that on the one hand an increase in the working speed is possible and on the other hand, disruptive lateral accelerations on the products are avoided.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Further advantageous embodiments of the invention are specified in the subclaims.
Ausführungsbeispiele der Erfindung werden unter Bezugnahme auf die Zeichnung erläutert; in der Zeichnung zeigen:Embodiments of the invention are explained with reference to the drawing; show in the drawing:
Fig. la bis lc schematische Draufsichten eines Fördersystems in unterschiedlichen Betriebszuständen, undFig. La to lc schematic top views of a conveyor system in different operating states, and
Fig. 2a bis 2c eine zweite bevorzugte Ausführungsform der Erfindung in Form von Draufsichten auf ein Fördersystem in unterschiedlichen Betriebszeitpunkten. Fig. 1 zeigt eine Schneidemaschine, insbesondere einen Slicer zum Aufschneiden von Lebensmittelprodukten mit hoher bzw. sehr hoher Schnittfolge.2a to 2c a second preferred embodiment of the invention in the form of top views of a conveyor system at different times of operation. 1 shows a cutting machine, in particular a slicer for cutting open food products with a high or very high cutting sequence.
Der Schneidemaschine 10 mit zugehöriger Portionsbildungseinheit nachgeordnet ist eine erste Fördereinheit 1 zum Abtransport der aufgeschnittenen Produkte, z.B. in Form von Stapeln 9, und zur Überführung dieser Produkte auf eine nachfolgende zweite Fördereinheit.Downstream of the cutting machine 10 with the associated portion formation unit is a first conveyor unit 1 for the removal of the cut products, e.g. in the form of stacks 9, and for transferring these products to a subsequent second conveyor unit.
In der Zeichnung ist eine Anordnung gezeigt, bei der aufeinanderfolgende Produktstapel 9 gebildet werden, aber es ist auch möglich, mit einer Schneidmaschine 10 zu arbeiten, mittels der zumindest zwei Produkte parallel aufgeschnitten werden und demgemäß auch parallele Produkt- ströme entstehen.In the drawing, an arrangement is shown in which successive product stacks 9 are formed, but it is also possible to work with a cutting machine 10, by means of which at least two products are cut in parallel and, accordingly, parallel product flows are also created.
Auf die erste Fördereinheit 1 folgt eine zweite Fördereinheit 2, die quer zur Förderrichtung breiter ausgebildet ist als die erste Fördereinheit 1 und deren oberstromiges Ende 4 quer zur Förderrichtung verfahrbar oder ver- schwenkbar ausgebildet ist. Auf diese zweite Fördereinheit 2 folgt eine dritte Fördereinheit 3, die unmittelbar an das stationäre unter stromige Ende der zweiten Fördereinheit angrenzt und auf der in Abhängigkeit von der Ansteuerung des verschwenkbaren oberstromigen Endes 4 der zweiten Fördereinheit 2 gezielt Ausgangsproduktströme erzeugt werden können.The first conveyor unit 1 is followed by a second conveyor unit 2, which is wider than the first conveyor unit 1 transversely to the conveying direction and whose upstream end 4 is designed to be movable or pivotable transversely to the conveying direction. This second conveyor unit 2 is followed by a third conveyor unit 3, which directly adjoins the stationary downstream end of the second conveyor unit and on which, depending on the control of the pivotable upstream end 4 of the second conveyor unit 2, specific product streams can be generated.
In dem dargestellten Ausführungsbeispiel werden entsprechend den Fig. lb und lc, welche das oberstromige Ende 4 der zweiten Fördereinheit 2 in den beiden möglichen Extremstellungen zeigen, die seriell zugeführten Produktestapel 9 auf der dritten Fördereinheit 3 paarweise nebeneinander positioniert.In the illustrated embodiment, according to FIGS. 1b and 1c, which show the upstream end 4 of the second conveyor unit 2 in the two possible extreme positions, the serially fed Product stack 9 positioned on the third conveyor unit 3 side by side in pairs.
Die Fig. 2a bis 2c zeigen eine bevorzugte Ausführungsform der Erfindung, die sich von dem vorstehend geschilderten Fördersystem dadurch unterscheidet, daß die zweite Fördereinheit durch zwei Teil-Fördereinheiten 5, 6 ersetzt ist, wobei die oberstromige Teil-Fördereinheit 5 geringere Breite als die sich daran anschließende Teil-Fördereinheit 6 besitzt und sowohl das unterstromige Ende 7 dieser ersten Teil-Fördereinheit als auch das un- mittelbar angrenzende oberstromige Ende 8 der zweiten Teil-Fördereinheit 6 quer zur Förderrichtung und gegensinnig zueinander verfahr- bzw. verschwenkbar ausgebildet sind.2a to 2c show a preferred embodiment of the invention, which differs from the conveyor system described above in that the second conveyor unit is replaced by two partial conveyor units 5, 6, the upstream partial conveyor unit 5 having a smaller width than that adjoining partial conveying unit 6 and both the downstream end 7 of this first partial conveying unit and the immediately adjacent upstream end 8 of the second partial conveying unit 6 are designed to be movable or pivotable transversely to the conveying direction and in opposite directions to one another.
Um eine seitliche Versetzung eines Produktstapels 9 während des Förder- Vorgangs zu erreichen, werden das unterstromige Ende 7 der ersten Teil- Fördereinheit und das oberstromige Ende 8 der zweiten Teil-Fördereinheit 6 gegensinnig zueinander bewegt, wobei sich bezüglich der Produktversetzung diese Wege addieren. Als Folge davon kann zum einen eine Steigerung der Arbeitsgeschwindigkeit des Gesamtsystems erreicht und zum anderen sichergestellt werden, daß die auf die Produktestapel 9 einwirkenden Querkräfte gering gehalten werden, da die Einzelbewegungen der Teil-Fördereinheiten 5, 6 aufgrund der Geschwindigkeitsaddition geringer gehalten werden können als dies ohne das Vorhandensein derartiger Teil- Fördereinheiten möglich wäre. Die einzelnen Fördereinheiten sind bevorzugt als sogenannte Multiele- ment-Streifenförderer ausgebildet, die allgemein bekannt sind. Die Querbewegungen der jeweiligen Enden der Fördereinheiten können rampengesteuert sein, so daß Beginn und Ende einer Querbewegung nicht ruckartig verlaufen. In order to achieve a lateral displacement of a product stack 9 during the conveying process, the downstream end 7 of the first partial conveying unit and the upstream end 8 of the second partial conveying unit 6 are moved in opposite directions, these paths adding up with respect to the product displacement. As a result, on the one hand an increase in the working speed of the overall system can be achieved and on the other hand it can be ensured that the transverse forces acting on the product stack 9 are kept low, since the individual movements of the partial conveyor units 5, 6 can be kept lower than this due to the speed addition would be possible without the presence of such partial conveyor units. The individual conveyor units are preferably designed as so-called multi-element strip conveyors, which are generally known. The transverse movements of the respective ends of the conveyor units can be ramp-controlled, so that the beginning and end of a transverse movement do not run jerkily.

Claims

Pate ntansprüche Godfather claims
1. Fördersystem zur Überführung zumindest eines linienförmigen Eingangsstroms von aufeinanderfolgend mit hoher Geschwindigkeit aufgeschnittenen und vorzugsweise gestapelten Lebensmittelprodukten wie Wurst, Schinken, Käse und dergleichen, in zumindest einen bezüglich des Eingangsstroms seitlich versetzten Aus- gangsstrom unter Verwendung mehrerer in Serie angeordneter Fördereinheiten, g e k e n n z e i c h n e t durch eine ein- oder mehrteilige erste Fördereinheit (1) zur Aufnahme der mittels einer Schneidmaschine (10) aufgeschnittenen Produkte, eine sich daran anschließende zweite Fördereinheit (2) mit einer im1. Conveying system for transferring at least one line-shaped input stream of successively cut and preferably stacked food products such as sausage, ham, cheese and the like into at least one output stream which is laterally offset with respect to the input stream using a plurality of conveyor units arranged in series, characterized by one Single or multi-part first conveyor unit (1) for receiving the products cut open by means of a cutting machine (10), an adjoining second conveyor unit (2) with an in
Vergleich zur ersten Fördereinheit (1) größeren Breite, die mit ihrem oberstromigen Ende (4) quer zur Förderrichtung und relativ zum unterstromigen Ende der ersten Fördereinheit (2) verfahr- und verschwenkbar ist, sowie eine dritte Fördereinheit (3), die anschließend an das stationäre unterstromige Ende der zweiten Fördereinheit (2) angeordnet ist.Comparison to the first conveyor unit (1) of greater width, which can be moved and pivoted with its upstream end (4) transversely to the conveying direction and relative to the downstream end of the first conveyor unit (2), and a third conveyor unit (3) which is connected to the stationary downstream end of the second conveyor unit (2) is arranged.
2. Fördersystem nach Anspruch 1 , dadurch g e k e n n z e i c h n e t , daß die zweite Fördereinheit (2) aus zwei aufeinanderfolgenden Teil-2. Conveyor system according to claim 1, characterized in that the second conveyor unit (2) consists of two successive partial
Fördereinheiten (5, 6) besteht, wobei sowohl das unterstromige Ende (7) der ersten Teil-Fördereinheit (5) als auch das daran angrenzende oberstromige Ende (8) der zweiten Teil-Fördereinheit quer zur Förderrichtung verfahr- oder verschwenkbar ausgebildet ist.Conveying units (5, 6), both the downstream end (7) of the first partial conveyor unit (5) and the adjoining one upstream end (8) of the second partial conveyor unit is designed to be movable or pivotable transversely to the conveying direction.
3. Fördersystem nach Anspruch 2, dadurch g e k e n n z e i c h n e t , daß das unterstromige Ende (7) der ersten Teil-Fördereinheit (5) und das oberstromige Ende (8) der zweiten Teil-Fördereinheit (6) gegensinnig verfahr- oder verschwenkbar ausgebildet sind.3. Conveyor system according to claim 2, characterized in that the downstream end (7) of the first partial conveying unit (5) and the upstream end (8) of the second partial conveying unit (6) are designed to be movable or pivotable in opposite directions.
4. Fördersystem nach Anspruch 2 oder 3, dadurch g e k e n n z e i c h n e t , daß die Breite der ersten Teil-Fördereinheit (5) geringer ist als die Breite der zweiten Teil-Fördereinheit (6).4. Conveyor system according to claim 2 or 3, characterized in that the width of the first partial conveyor unit (5) is less than the width of the second partial conveyor unit (6).
5. Fördersystem nach Anspruch 4, dadurch g e k e n n z e i c h n e t , daß die Breite der ersten Teil-Fördereinheit (5) der Breite der ihr vorangehenden Fördereinheit (1) entspricht, und daß die Breite der zweiten Teil-Fördereinheit (6) zumindest im wesentlichen gleich der Breite der dritten Fördereinheit (3) ist.5. Conveyor system according to claim 4, characterized in that the width of the first partial conveyor unit (5) corresponds to the width of the preceding conveyor unit (1), and that the width of the second partial conveyor unit (6) is at least substantially equal to the width the third conveyor unit (3).
6. Fördersystem nach einem der vorhergehenden Ansprüche, dadurch g e k e n n z e i c h n e t , daß die Breite der ersten Teil-Fördereinheit (5) etwa 40 bis 60% der zweiten Teil-Fördereinheit (6) beträgt. Fördersystem nach einem der vorhergehenden Ansprüche, dadurch g e k e n n z e i c h n e t , daß die Fördereinheiten (1, 2, 3) bzw. die Teil-Fördereinheiten (5, 6) als Multielement- Streifenförderer ausgebildet sind. 6. Conveyor system according to one of the preceding claims, characterized in that the width of the first partial conveyor unit (5) is approximately 40 to 60% of the second partial conveyor unit (6). Conveyor system according to one of the preceding claims, characterized in that the conveyor units (1, 2, 3) or the partial conveyor units (5, 6) are designed as multi-element strip conveyors.
EP00983315A 1999-12-28 2000-12-13 Conveyor system Ceased EP1242297A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19963398A DE19963398A1 (en) 1999-12-28 1999-12-28 Conveyor system
DE19963398 1999-12-28
PCT/EP2000/012675 WO2001047793A1 (en) 1999-12-28 2000-12-13 Conveyor system

Publications (1)

Publication Number Publication Date
EP1242297A1 true EP1242297A1 (en) 2002-09-25

Family

ID=7934766

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Application Number Title Priority Date Filing Date
EP00983315A Ceased EP1242297A1 (en) 1999-12-28 2000-12-13 Conveyor system

Country Status (6)

Country Link
US (1) US6691858B2 (en)
EP (1) EP1242297A1 (en)
JP (1) JP2003519059A (en)
AU (1) AU2009501A (en)
DE (1) DE19963398A1 (en)
WO (1) WO2001047793A1 (en)

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US6691858B2 (en) 2004-02-17
WO2001047793A1 (en) 2001-07-05
DE19963398A1 (en) 2001-07-05
US20030057059A1 (en) 2003-03-27
JP2003519059A (en) 2003-06-17
AU2009501A (en) 2001-07-09

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