EP1008439B1 - Method and device for positioning several working units arranged spaced from each other along the path of a material web, especially a plastic film web - Google Patents

Method and device for positioning several working units arranged spaced from each other along the path of a material web, especially a plastic film web Download PDF

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Publication number
EP1008439B1
EP1008439B1 EP99120740A EP99120740A EP1008439B1 EP 1008439 B1 EP1008439 B1 EP 1008439B1 EP 99120740 A EP99120740 A EP 99120740A EP 99120740 A EP99120740 A EP 99120740A EP 1008439 B1 EP1008439 B1 EP 1008439B1
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EP
European Patent Office
Prior art keywords
advancement
material web
ancillary
correction value
deviations
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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 - Lifetime
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EP99120740A
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German (de)
French (fr)
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EP1008439A1 (en
Inventor
Jakob Schneider
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Lemo Maschinenbau GmbH
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Lemo Maschinenbau GmbH
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Publication of EP1008439A1 publication Critical patent/EP1008439A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/006—Controlling; Regulating; Measuring; Safety measures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Definitions

  • the invention initially relates to a method for positioning a plurality of additional devices of a bag-making machine, which are spaced apart in the intermittent region along a movement path of a material web, in particular a plastic film web, in front of a welding device .
  • the material web is corresponding to the distance of a repeat length or a multiple edited in order to produce in this way flawless bags or tote bags.
  • the accessories are single or too several mounted on a carriage, which is adjustable in the longitudinal direction of the web is stored. Changes in the repeat length have hitherto been carried out by means of a sensor device, for example, a photocell, detected and then the or the car with the on it additional devices in a corresponding to the Rapportinnver selectedung move to a more optimal position.
  • a sensor device for example, a photocell
  • the invention is based on the object, a method of the type mentioned to propose, by a quick and accurate repositioning or repositioning of Additional equipment is achieved. Furthermore, a device is to be created by the Um- / or Repositioning is ensured by simple means.
  • a material web for example a plastic film web 1
  • moves according to the arrow 2 from right to left can be.
  • the plastic film web becomes intermittent in the area of interest moved to each in the downtime of the plastic film 1, this according to the to be able to process the given repeat length R.
  • a first processing device is as Welding device 3 is formed, which has an upper welding bar 4 and a lower welding roller 5 has.
  • the welding device is explained in more detail below Considerations at a position zero. Starting from this zero position are contrary to Movement direction of the plastic film web 1 further bag positions P1 to P6 shown. at P6, for example, ventilation holes 6 are introduced, while at P5 a corner weld. 7 takes place. At positions P3, P4 theoretically further additional work could be carried out if this is necessary for the bag or bag to be made. in the illustrated embodiment is finally shown in the position P 2 yet that Suspension openings 8 are introduced.
  • the processing on the individual bag positions is done with the help of additional equipment 9, as this for example, shown in Figure 2 on a smaller scale.
  • the attachment 9 has each according to the work to be carried out tools not shown.
  • points each accessory, a control unit 11 with an input option of the respective position P1 to P6 on Each attachment is on the control unit 11 and a drive member 12 and a Drive motor 13 with a cooperating displacement transducer via control lines 14, 15 with a computer 16 of a controller 17 in conjunction, which finally with a arranged in the field of plastic film 1 photocell 18 as a sensor or control element cooperates for any deviations of the feed length of the plastic film web 1.
  • a drive gear 19 is coupled with the a rack arranged on the machine frame 21 in the longitudinal direction of the plastic film web 1 22 cooperates.
  • control device 17 and the drive device can be Reposition the attachments 9.
  • the accessories 9 each to a feed length of 300 mm between the individual positions P1 to P6 set.
  • the repeat length due to Railway tension changes quite, for example, from 300 mm to 302 mm.
  • this difference length of 2 mm starting from the zero position, with the number of bags to respective position of the attachment, e.g. for the bag position 4 an error of 8 mm.
  • gears and racks instead of gears and racks, another adjusting device can be used, which has, for example, a longitudinally adjustable spindle.

Landscapes

  • Making Paper Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Advancing Webs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

Equipment (9) added in the intermittent-advance section of the track, is automatically and correctly located, when advancement stroke magnitude alters. An Independent claim is included for the corresponding system. This includes the additional equipment (9), a drive (12) with motor (13), displacement transducer and transmitter (22). Preferred features: A sensor, e.g. photocell, detects stroke departure from the desired value. The error is processed in a computer to a corrective magnitude. This is further processed in accordance with individual equipment spacing along the line, to determine individual adjustment path magnitudes required, to reach null locations. In the equipment, a rack and pinion or spindle drive is employed. An e.g. photocell (18) is connected to the controller. The processing unit standing at the null position (P0) is a plastic welder.

Description

Die Erfindung bezieht sich zunächst auf ein Verfahren zum Positionieren von mehreren, im intermittierenden Bereich entlang einer Bewegungsstrecke einer Materialbahn, insbesondere Kunststofffolienbahn, vor einer Schweißeinrichtung mit Abstand angeordneten Zusatzgeräten einer Beutelherstellmaschine.The invention initially relates to a method for positioning a plurality of additional devices of a bag-making machine, which are spaced apart in the intermittent region along a movement path of a material web, in particular a plastic film web, in front of a welding device .

Bei der Herstellung von Beuteln oder Tragetaschen aus einer Kunststofffolienbahn sind neben einer Schweißeinrichtung zum Trennschweißen der Beutel bzw. Tragetaschen oft mehrere Zusatzgeräte erforderlich.In the manufacture of bags or carrier bags made of a plastic film are in addition a welding device for separating welding the bags or carrier bags often several Additional equipment required.

Hierbei handelt es sich beispielsweise um Einrichtungen zum Einbringen von Eckenschweißungen, Lüftungs- und/oder Aufhängelöchem usw.. Mit Hilfe der Zusatzgeräte wird die Materialbahn entsprechend dem Abstand einer Rapportlänge oder einem Mehrfachen davon bearbeitet, um auf diese Weise einwandfreie Beutel bzw. Tragetaschen herzustellen.These are, for example, facilities for introducing Corner welds, ventilation and / or Aufhängelöchem etc .. With the help of additional equipment The material web is corresponding to the distance of a repeat length or a multiple edited in order to produce in this way flawless bags or tote bags.

Bei aus der Praxis bekannten Beutelherstellmaschinen sind die Zusatzgeräte einzeln oder zu mehreren auf einem Wagen befestigt, der in Längsrichtung der Materialbahn verstellbar gelagert ist. Veränderungen in der Rapportlänge werden bisher mittels einer FühlerEinrichtung, beispielsweise einer Fotozelle, erfaßt und danach der oder die Wagen mit den darauf befindlichen Zusatzgeräten in eine entsprechend der Rapportlängenveränderung optimalere Position verfahren.In known from practice bag making machines, the accessories are single or too several mounted on a carriage, which is adjustable in the longitudinal direction of the web is stored. Changes in the repeat length have hitherto been carried out by means of a sensor device, for example, a photocell, detected and then the or the car with the on it additional devices in a corresponding to the Rapportlängenveränderung move to a more optimal position.

Bei mehreren Zusatzgeräten kann also immer nur das Zusatzgerät eine genaue Position einhalten, welches in der Nähe der Fotozelle angeordnet ist. Bei den übrigen Zusatzgeräten sind mehr oder weniger hohe Ungenauigkeiten zwangsläufig in Kauf zu nehmen. With several additional devices, only the additional device can always have an exact position comply, which is located near the photocell. For the other accessories More or less high inaccuracies are inevitably to be accepted.

Aus dem US-Patent 5,733,236 ist eine Beutelherstellmaschine bekannt, bei der die Zusatzgeräte automatisch in ihre korrekte Stellung positioniert werden. Die Zusatzgeräte werden gemeinsam in Abhängigkeit von ihrem jeweiligen Abstand von einem Referenzpunkt verstellt, wobei die Verstellung von einem Fühler gesteuert wird, der an einem Zusatzgerät angeordnet ist. Dieser Fühler erzeugt ein Signal entsprechend der relativen Position einer Registrierungsmarke auf jedem Beutel. In Abhängigkeit von dem Signal werden die Zusatzgeräte verstellt, bis der Fühler sich auf der Registrierungsmarke befindet. Die gemeinsame Verstellung der Zusatzgeräte erfolgt mechanisch über ein Hebelsystem oder jedes Zusatzgerät ist mit einem Servomotor versehen, der es in die korrekte Position bewegt. Bei dieser bekannten Vorrichtung werden die Zusatzgeräte mittels eines eigenen Fühlers positioniert, der an einem Zusatzgerät befestigt ist.From US Patent 5,733,236 a bag making machine is known in which the Accessories are automatically positioned in their correct position. The accessories become common depending on their respective distance from a reference point adjusted, wherein the adjustment is controlled by a sensor attached to an accessory is arranged. This sensor generates a signal corresponding to the relative position of a Registration mark on each bag. Depending on the signal, the Adjusts the accessories until the sensor is on the registration mark. The Joint adjustment of the additional equipment is done mechanically via a lever system or Each attachment is equipped with a servomotor that moves it to the correct position. In this known device, the accessories are by means of a separate sensor positioned, which is attached to an accessory.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art vorzuschlagen, durch das eine schnelle und exakte Um-/oder Neupositionierung der Zusatzgeräte erreicht wird. Ferner soll eine Vorrichtung geschaffen werden, durch die Um-/oder Neupositionierungen mit einfachen Mitteln sichergestellt wird.The invention is based on the object, a method of the type mentioned to propose, by a quick and accurate repositioning or repositioning of Additional equipment is achieved. Furthermore, a device is to be created by the Um- / or Repositioning is ensured by simple means.

Diese Aufgabe wird in verfahrensmäßiger Hinsicht dadurch erreicht, dass

  • von einem einzigen Fühler, insbesondere einer Fotozelle (18), Abweichungen der Ist-Vorschublänge der Materialbahn von der Soll-Vorschublänge zur Vorschubveränderung der Materialbahn festgestellt werden,
  • die von dem Fühler festgestellten Abweichungen in einem Rechner (16) einer Steuereinrichtung (17) zu einem Korrekturwert verarbeitet werden,
  • der Korrekturwert an die einzelnen Zusatzgeräte (9) weitergegeben wird, die schließlich über einen aus dem Korrekturwert multipliziert mit der jeweiligen Abstandsposition des betreffenden Zusatzgerätes (9) zu einer festgelegten Null-Position ermittelten Verstellweg in ihre korrekte Stellung positioniert werden, wobei sich an der Null-Position die Schweißeinrichtung (3) befindet.
This object is achieved in procedural terms by the fact that
  • from a single sensor, in particular a photocell (18), deviations of the actual feed length of the material web from the desired feed length to the feed change of the material web are detected,
  • the deviations ascertained by the sensor are processed in a computer (16) of a control device (17) to a correction value,
  • the correction value is passed on to the individual additional devices (9), which are finally positioned in their correct position by means of an adjustment path determined from the correction value multiplied by the respective distance position of the respective additional device (9) to a predetermined zero position, wherein zero is used Position the welding device (3) is located.

Durch die Erfindung wird auf relativ einfache Weise eine schnelle und vor allen Dingen exakte Positionierung der einzelnen Zusatzgeräte garantiert. Es erfolgt bei Änderungen ein direktes Umsetzen, d.h. ohne nennenswerten Zeitverlust, so daß eine mit der Erfindung ausgerüstete Maschine mit vergleichsweise hohen Taktzahlen gefahren werden kann.By the invention is in a relatively simple way, a fast and above all accurate Positioning of the individual accessories guaranteed. There is a direct change Converting, i. without significant loss of time, so that one equipped with the invention Machine can be driven with relatively high cycle rates.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen 3 und 4. Further advantageous embodiments of the invention will become apparent from the dependent claims 3 and 4.

Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher erläutert. Es zeigen in jeweils schematischer Darstellung:

Figur 1
die einzelnen Positionen der Materialbahn;
Figur 2
einen Teil der Vorrichtung mit einem Zusatzgerät und einem zugeordneten Antriebsorgan und
Figur 3
eine grafische Darstellung für das Umpositionieren.
A preferred embodiment of the invention is illustrated in the drawing and will be explained in more detail below. Shown schematically in each case:
FIG. 1
the individual positions of the material web;
FIG. 2
a part of the device with an attachment and an associated drive member and
FIG. 3
a graphic representation for repositioning.

In Figur 1 ist eine Materialbahn, beispielsweise eine Kunststofffolienbahn 1, dargestellt, die von einer nicht dargestellten Antriebseinrichtung entsprechend dem Pfeil 2 von rechts nach links bewegt werden kann. Die Kunststofffolienbahn wird in dem hier interessierenden Bereich intermittierend bewegt, um jeweils in den Stillstandszeiten der Kunststofffolienbahn 1 diese entsprechend der vorgegebenen Rapportlänge R bearbeiten zu können. Ein erstes Bearbeitungsgerät ist als Schweißeinrichtung 3 ausgebildet, die einen oberen Schweißbalken 4 und eine untere Schweißwalze 5 aufweist. Die Schweißeinrichtung befindet sich aus weiter unten näher erläuterten Überlegungen an einer Position Null. Ausgehend von dieser Null-Position sind entgegen der Bewegungsrichtung der Kunststofffolienbahn 1 weitere Beutelpositionen P1 bis P6 dargestellt. Bei P6 werden beispielsweise Lüftungslöcher 6 eingebracht, während bei P5 eine Eckenschweißung 7 stattfindet. An den Positionen P3, P4 könnten theoretisch weitere Zusatzarbeiten durchgeführt werden, sofern dies für den herzustellenden Beutel bzw. Tragetasche erforderlich ist. Im dargestellten Ausführungsbeispiel ist schließlich in der Position P 2 noch dargestellt, daß Aufhängeöffnungen 8 eingebracht werden.In Figure 1, a material web, for example a plastic film web 1, shown by a drive device, not shown, moves according to the arrow 2 from right to left can be. The plastic film web becomes intermittent in the area of interest moved to each in the downtime of the plastic film 1, this according to the to be able to process the given repeat length R. A first processing device is as Welding device 3 is formed, which has an upper welding bar 4 and a lower welding roller 5 has. The welding device is explained in more detail below Considerations at a position zero. Starting from this zero position are contrary to Movement direction of the plastic film web 1 further bag positions P1 to P6 shown. at P6, for example, ventilation holes 6 are introduced, while at P5 a corner weld. 7 takes place. At positions P3, P4 theoretically further additional work could be carried out if this is necessary for the bag or bag to be made. in the illustrated embodiment is finally shown in the position P 2 yet that Suspension openings 8 are introduced.

Die Bearbeitung an den einzelnen Beutelpositionen erfolgt mit Hilfe von Zusatzgeräten 9, wie dies beispielsweise in Figur 2 in verkleinertem Maßstab dargestellt ist. Das Zusatzgerät 9 besitzt jeweils entsprechend den durchzuführenden Arbeiten nicht dargestellte Werkzeuge. Darüberhinaus weist jedes Zusatzgerät eine Steuereinheit 11 mit einer Eingabemöglichkeit der jeweiligen Position P1 bis P6 auf Jedes Zusatzgerät steht über die Steuereinheit 11 und ein Antriebsorgan 12 bzw. einen Antriebsmotor 13 mit einem damit zusammenwirkenden Wegaufnehmer über Steuerleitungen 14, 15 mit einem Rechner 16 einer Steuereinrichtung 17 in Verbindung, die schließlich noch mit einer im Bereich der Kunststofffolienbahn 1 angeordneten Fotozelle 18 als Fühler bzw. Kontrollelement für etwaige Abweichungen der Vorschublänge der Kunststofffolienbahn 1 zusammenarbeitet.The processing on the individual bag positions is done with the help of additional equipment 9, as this for example, shown in Figure 2 on a smaller scale. The attachment 9 has each according to the work to be carried out tools not shown. In addition, points each accessory, a control unit 11 with an input option of the respective position P1 to P6 on Each attachment is on the control unit 11 and a drive member 12 and a Drive motor 13 with a cooperating displacement transducer via control lines 14, 15 with a computer 16 of a controller 17 in conjunction, which finally with a arranged in the field of plastic film 1 photocell 18 as a sensor or control element cooperates for any deviations of the feed length of the plastic film web 1.

Mit dem Antriebsmotor 13 des Antriebsorgans 12 ist ein Antriebszahnrad 19 gekoppelt, das mit einer am Maschinengestell 21 in Längsrichtung der Kunststofffolienbahn 1 angeordnete Zahnstange 22 zusammenwirkt.With the drive motor 13 of the drive member 12, a drive gear 19 is coupled with the a rack arranged on the machine frame 21 in the longitudinal direction of the plastic film web 1 22 cooperates.

Mit Hilfe der vorbeschriebenen Steuereinrichtung 17 und der Antriebseinrichtung lassen sich Neupositionierungen der Zusatzgeräte 9 durchführen. Beispielsweise werden die Zusatzgeräte 9 jeweils auf eine Vorschublänge von 300 mm zwischen den einzelnen Positionen P1 bis P6 eingestellt. Während der Produktion kann sich aber beispielsweise die Rapportlänge aufgrund von Bahnzugspannungen durchaus ändern, beispielsweise von 300 mm in 302 mm. Somit stehen alle vorher auf 300 mm eingerichteten Zusatzgeräte falsch. Je nach Geräteposition multipliziert sich diese Differenzlänge von 2 mm, ausgehend von der Null-Position, mit der Beutelanzahl bis zur jeweiligen Position des Zusatzgerätes, z.B. für die Beutelposition 4 ein Fehler von 8 mm.With the help of the above-described control device 17 and the drive device can be Reposition the attachments 9. For example, the accessories 9 each to a feed length of 300 mm between the individual positions P1 to P6 set. During production, however, for example, the repeat length due to Railway tension changes quite, for example, from 300 mm to 302 mm. Thus, all stand previously on 300 mm furnished additional equipment wrong. Depending on the device position multiplied this difference length of 2 mm, starting from the zero position, with the number of bags to respective position of the attachment, e.g. for the bag position 4 an error of 8 mm.

Eine unter Berücksichtigung der jeweiligen Position der Zusatzgeräte, ausgehend von der Null-Position, wird nun die durch die Fotozelle ermittelte Rapportänderung in den Rechner gegeben, so daß in diesem aus der Ist-Vorschublänge der Materialbahn und der Soll-Vorschublänge ein Differenzwert ermittelt wird, der dann jeweils unter Berücksichtigung der jeweiligen Geräteposition mit dem Abstand zwischen der Null-Position und der jeweiligen Stellung des Zusatzgerätes, also Position P1 bis P6 usw., ermittelt wird. Mit Hilfe des Antriebsorgans wird dann schließlich das Zusatzgerät in die neue Korrekturposition K1 bis K6 verstellt, sowie das in Figur 3 schematisch angedeutet ist.One taking into account the respective position of the accessories, starting from the zero position, Now, the determined by the photocell Rapportänderung is given in the calculator, so that in this from the actual feed length of the material web and the desired feed length a Difference value is determined, which then in each case taking into account the respective device position with the distance between the zero position and the respective position of the additional device, ie Position P1 to P6, etc., is determined. With the help of the drive member is finally the Adjusted accessory in the new correction position K1 to K6, as well as in Figure 3 schematically is indicated.

Anstelle von Zahnrädern und Zahnstangen kann eine andere Verstelleinrichtung eingesetzt werden, die zum Beispiel eine in Längsrichtung verstellbare Spindel aufweist.Instead of gears and racks, another adjusting device can be used, which has, for example, a longitudinally adjustable spindle.

Claims (4)

  1. Method for positioning several ancillary units (9) of a bag-making machine arranged spaced from one another in the intermittent region along a path of movement of a material web, especially a plastic film web (1), in front of a welding device (3), with the following features:
    deviations of the actual length of advancement of the material web from the desired length of advancement are established by a single sensor, in particular a photocell (18), for changing the advancement of the material web,
    the deviations established by the sensor are processed in a computer (16) of a control device (17) to form a correction value,
    the correction value is passed on to the individual ancillary units (9), which are finally positioned into their correct position by means of an adjusting displacement determined from the correction value multiplied by the respective spacing position of the ancillary unit (9) concerned in relation to a fixed neutral position, the welding device (3) being located at the neutral position.
  2. Device for carrying out a method according to Patent Claim 1 with the following features:
    a single sensor, especially a photocell (18), which establishes deviations of the actual length of advancement of the material web from the desired length of advancement for changing the advancement of the material web,
    a controllable drive motor (13), a displacement transducer, interacting with the drive motor (13), and also a transfer device (19, 22) for each ancillary unit (9), and
    a control device with a computer (16), which processes the deviations of the actual length of advancement of the material web from the desired length of advancement established by the sensor to form a correction value, which is passed on to the individual ancillary units (9), and which positions the ancillary units (9) into their correct position by means of an adjusting displacement determined from the correction value multiplied by the respective spacing position of the ancillary unit (9) concerned in relation to a fixed neutral position, and
    a welding device (3) located at the neutral position.
  3. Device according to Claim 2, characterized in that the transfer device is formed by a driving gear wheel (19), coupled to the drive motor (3), and a toothed rack (22), interacting with the said driving gear wheel, or an adjusting device having a spindle which is adjustable in the longitudinal direction.
  4. Device according to Claim 2 or 3, characterized in that each ancillary unit (9) has a control unit (11) with a possibility for inputting the respective position (P1 - P6) of the ancillary units (9).
EP99120740A 1998-12-09 1999-10-20 Method and device for positioning several working units arranged spaced from each other along the path of a material web, especially a plastic film web Expired - Lifetime EP1008439B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19856648 1998-12-09
DE19856648A DE19856648A1 (en) 1998-12-09 1998-12-09 Method and device for positioning a plurality of processing devices arranged at a distance from one another along a movement path of a material web, in particular a plastic film web

Publications (2)

Publication Number Publication Date
EP1008439A1 EP1008439A1 (en) 2000-06-14
EP1008439B1 true EP1008439B1 (en) 2005-12-28

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EP99120740A Expired - Lifetime EP1008439B1 (en) 1998-12-09 1999-10-20 Method and device for positioning several working units arranged spaced from each other along the path of a material web, especially a plastic film web

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US (1) US6319182B1 (en)
EP (1) EP1008439B1 (en)
AT (1) ATE314196T1 (en)
DE (2) DE19856648A1 (en)
ES (1) ES2256996T3 (en)
NO (1) NO996033L (en)
PT (1) PT1008439E (en)

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Also Published As

Publication number Publication date
EP1008439A1 (en) 2000-06-14
DE59912980D1 (en) 2006-02-02
US6319182B1 (en) 2001-11-20
NO996033L (en) 2000-06-13
ATE314196T1 (en) 2006-01-15
NO996033D0 (en) 1999-12-08
DE19856648A1 (en) 2000-06-15
ES2256996T3 (en) 2006-07-16
PT1008439E (en) 2006-05-31

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