EP1036741B1 - Pile de sacs, procédé de fabrication et de remplissage desdits sacs et dispostif pour la fabrication de ladite pile - Google Patents

Pile de sacs, procédé de fabrication et de remplissage desdits sacs et dispostif pour la fabrication de ladite pile Download PDF

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Publication number
EP1036741B1
EP1036741B1 EP00102669A EP00102669A EP1036741B1 EP 1036741 B1 EP1036741 B1 EP 1036741B1 EP 00102669 A EP00102669 A EP 00102669A EP 00102669 A EP00102669 A EP 00102669A EP 1036741 B1 EP1036741 B1 EP 1036741B1
Authority
EP
European Patent Office
Prior art keywords
stack
bag
flap
orifices
bags
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 - Lifetime
Application number
EP00102669A
Other languages
German (de)
English (en)
Other versions
EP1036741A2 (fr
EP1036741A3 (fr
Inventor
Armin Meyer
Jakob Schneider
Bert Wuits
Ingo Schübel
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.)
Lemo Maschinenbau GmbH
Original Assignee
Lemo Maschinenbau GmbH
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 DE19917284A external-priority patent/DE19917284A1/de
Priority claimed from DE19935064A external-priority patent/DE19935064A1/de
Priority claimed from DE19935065A external-priority patent/DE19935065A1/de
Application filed by Lemo Maschinenbau GmbH filed Critical Lemo Maschinenbau GmbH
Publication of EP1036741A2 publication Critical patent/EP1036741A2/fr
Publication of EP1036741A3 publication Critical patent/EP1036741A3/fr
Application granted granted Critical
Publication of EP1036741B1 publication Critical patent/EP1036741B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/001—Blocks, stacks or like assemblies of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/98—Delivering in stacks or bundles
    • B31B70/984—Stacking bags on wicket pins

Definitions

  • the invention first relates to a stack of a plurality of each other connected bags of plastic film, in particular vending bags, with a Einhellö réelle and a one-sided flap, the stack openings and at least one An interface has.
  • the bags in one previously determinable number to so-called bag stacks in a collection device gather.
  • a pin stack conveyor is suitable with a pin stack conveyor chain moving in a horizontal direction, which receives the separated bags on stacking pins.
  • stamped holes stacking the distance between the distances of the stacking pins on the Correspond to pin stack conveyor chain.
  • wicket wire hanger
  • WO 93/13936 discloses a device for the continuous production of stacks a plurality of interconnected bags made of plastic film known, the one Perforating device, a cross-cutting welder and a blocking device having.
  • the blocking device has no Lochverblockungswerkmaschinemaschinee.
  • the invention is based on the object, a bag stack of the type mentioned to create that manages without complex tools and thereby significantly easier to handle, in particular packaging and filling leaves, and about it also characterized by an attractive appearance.
  • a device for producing and filling of blocked bags be created that manages without complex tools.
  • a stack of a Variety of interconnected bags which has a filling opening and a one-sided flap included.
  • the flap has in each case a corner section delimiting perforation lines running at an angle to the filling opening, wherein in each corner portion at least one of the bags in the stack with each other connecting occlusion site and in a limited by the perforation lines inner area of the flap stacking openings are arranged.
  • the blocking points in the corner sections are in the form of a Verblockungsloches as Auf Wegtechnische formed for the stack.
  • Such a trained stack can be easily produced, transport and convenient just as easy to fill.
  • That is crucial to the otherwise required wire hanger can be completely dispensed with.
  • the Production and further handling of the bag much cheaper, since the costs and if necessary the transport of the wire hanger between and between the Packer and the confectioner omitted. It is only necessary in the packing area to separate the topmost bag from the bag stack quickly and safely keep the bag in such an open position that the product (bread) can be inserted into the bag trouble-free.
  • the tearing of the perforation takes place before the packaged Product is inserted into the bag. This one has it in a simple way the hand to ensure a precise break along the perforation lines.
  • the tearing of the perforation by the opening process can be regulated exactly, namely the fact that the design of the perforation lines, in particular their Angular position and / or strength and / or their continuous or shortened course between the side wall and the end edge of the flap and the opening operation be matched when filling a bag.
  • the holding of the opened bag and its This makes it particularly easy to reach the bag stack in the filling station when a spreader in a sole the at least partially the demolition of the to be filled bag causing demolition position is movable.
  • the breakaway position can preferably correspond to the open position, which is necessary to a product or to fill a loaf.
  • the only the forming of the bag opening had the task, which in about the shape and the Dimensions of the product to be packaged, has the current spreader two additional functions to the content, namely once the bag during the To hold the packaging process and on the other hand, the opening movement such Make that by the spreading the perforation completely or almost completely is broken up.
  • a Clamping plate is provided below the plane of movement of the spreading of the spreader and finally an adapter is used in the distance the blocking holes of the bag pile handrails and with interposition a transverse tab attachment rods, whose distance and diameter the Dimensions of the legs of a standard wire hanger (wicket) or mandrels correspond to the packaging machine.
  • the use of this adapter has the significant advantage that the usual packaging machine or the packaging machine, such as he was previously used for the use of wire hanger, not or hardly changed must become.
  • a bag stack 1 has a conventional manner in the region of a flap 2 Stacking openings 3, through which a wire bracket 4 is inserted therethrough. With the help of Wire bracket and on the legs 5 plugged rubber plugs, not shown the bag stack can be held together more or less well.
  • Each bag has a 6 indicated with the filling opening over which the bag in fel below described manner with a product, such as a bread or the like can be filled.
  • the flap 2 has in each case in the area between the Stacking openings 3 and a front edge 7 of the flap 2 an Antenstelle. 8
  • a bag stack 1 according to Figure 1 is usually in a collecting device with the Wire bracket 4 equipped and together with this and other aids, such as the Rubber plugs, cover sheets, etc. packed in boxes and fed to a bottling plant.
  • the bag stack 1 in a packaging machine for. B. a packing machine, kept that way with the support of air and / or suckers and a spreader, the uppermost bag of the bag stack in a Opening position is brought.
  • the product to be filled z. B. Bread
  • the product to be filled z. B. Bread
  • the bag is along the provided in the stack opening opening 8 torn so that the Bag is released from the bag stack.
  • the linear tearing of the bag is a smooth Front edge 7 of the flap 2 excluded, d. H. the bag owns because of the comparatively large Stapellochausstanzoder and the cracks an ugly appearance.
  • FIG. 2 shows a first embodiment of a bag stack formed according to the invention illustrated, extending in the region of the flap 2 from obliquely to the filling opening 6
  • Perforation lines 9 has limited corner sections 11.
  • the perforation lines 9 extend continuously from the side edges of the bag to the front edge 7 of the flap 2.
  • In the corner sections 11 are blocking points 12, with the help of the made of plastic film bag in the bag stack 1 are held together.
  • the Verblockungsstellen 12 are formed as Verblockungslöcher and thereby provide the Possibility to closer the bag stack in the automatic packaging machine on one below hang or hold described holding device.
  • a collecting device of a Bag making machines serve stacking openings 13 in one through the perforation lines 9 limited central region of the flap 2 are arranged and, for example are formed by needle pricks according to FIG. This means that the individual bags in The collecting device are skewered on needles and so before blocking initially kept in the bag stack 1 in a correct position.
  • the stacking openings 13 instead of pin pricks can the stacking openings 13 also z. B. of cross slots 13 'may be formed, as well as this is shown in Figures 2a and 3a.
  • FIG. 3 shows a single bag of the bag stack according to FIG. 2, that the perforation line 9 is not performed up to the front edge 7 of the flap 2, but rather an unperforated part remains, which is indicated in Figure 3 with S.
  • This distance S can be variable depending on the withdrawal force in a packing machine being held.
  • the angle of the perforation line 9 - as at 9 ' indicated - and finally the perforation strength can be varied. Based on these conceivable changes in the corner perforation can be - like the closer below is explained - a certain tear behavior of the perforation lines 9 or 9 'optimally determine.
  • an in Figure 4 illustrated bag making machine 14 For producing bags and bag stacks 1 according to the invention, an in Figure 4 illustrated bag making machine 14.
  • the bag making machine includes a Abwickelstand 15 with a winding roller 16 made of a thermoplastic plastic sheet.
  • the latter can be formed, for example, as a flat film web 17.
  • the Flat film web 17 is within an only schematically indicated processing status 18 on therein housed, not shown guide rollers, a folding device and Guided tensioning rollers.
  • the processing stall 18 has a bottom fold insertion device 19 on. Behind the processing state are a perforation 20 and a Wienlochstanz Nur 21 for introducing z. B. Phillips 13 'arranged.
  • Punching device 21 follows a transverse welding separation device 22 and a transfer device 23, to which finally a stacking device 24 with a pin stack conveyor 25 connects. In the area of the pin stack conveyor 25 is finally a blocking station 26 is arranged. One of them can not Connect the illustrated unloading station for the blocked bag stacks 1.
  • FIG. 5 shows part of a packing machine 27.
  • the automatic packing machine 27 has a Pre-fitting station 28, which is pre-stored a filling station 29 explained in more detail below and serves to prepare bag stacks 1 for filling.
  • a filling station 29 explained in more detail below and serves to prepare bag stacks 1 for filling.
  • the Vorrüststation 28 will be one or more blocked bag stacks 1, the one or more on a support surface 31st lie, held by a holding device 32.
  • the latter has a special, im Related to the filling process described below Adapter 33 on.
  • the ready-prepared bag package is the Filling station 29 supplied and stored there on a stacking table 35, which - as shown in FIG. 6 emerges - is designed adjustable in height.
  • the bag stack lies in the Filling position with its flap 2 of the uppermost bag of the bag stack 1 at one Stop plate 36, whose one, substantially horizontal web 37 in the area the flap 2 of the bag protrudes, while the other, preferably vertically to the web 37 extending web 38 of the clamping plate, for example, a stop for the Represents front edge 7 of the bag.
  • FIG. 6 For clarity, in Figure 6, the above-mentioned adapter 33 from Bag pile 1 shown separately, although in reality with handrails 39 in the Blocking openings 12 of the bag stack 1 is inserted.
  • the adapter has a Transverse strap 41, on which the holding rods 39 side facing away mounting rods 42 are arranged.
  • the distance and diameter of the two support rods 42nd corresponds to the dimensions of a conventional wire hanger (wicket), as previously in Packing machine has been used for filling vending bags.
  • the packaging machine includes, inter alia, an air blowing device 43 (FIG. 7). Instead of blowing air and a suction device may be provided. Furthermore is an opening device with a spreader 48 is provided, the lower Spreading elements 49 and upper spreading 51 and has - as shown in Figure 8 emerges - are retracted into the pre-opened filling opening 6 of the uppermost bag can. By spreading the bag at least in the region of the filling opening 6 of the opened bags from the side edge of the bag along the perforation lines 9 separated from the bag stack ( Figure 9). The bag is alone at the filling opening the spreading of the spreader and in the flap 2 from the web 37 of the Clamping plate 36.
  • a bread 52 by a direction indicated by the arrow 53 slide or put a pair of pliers in the bag and then the bag along with the bread supplied to a closure device, not shown.
  • Figure 10 is ready shown packaged bread packaging, which can be seen from it, but also from Figure 11 that the edge area of the zippered bag closure no fringed edges has more and thus the packaging receives a handsome appearance.
  • cross slots z. B. also star-shaped slots or the like be punched.
  • the decisive factor is that no material waste is generated.
  • a retaining means for the corner sections are also a clamping device or z.
  • two-ply Kunststoffolienbahn 50 are each two opposing single bag 50 'produced.
  • To this purpose can be symmetrical to a central parting line 54 from the one film layer a strip are cut out, so that in the other film web, the flange Flap 2 remains.
  • the tubular Cut plastic film web longitudinally and on both sides of the mean dividing line 54 to lead the tubular film web such that also in the a film web the desired supernatant for the flap 2 remains.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)

Claims (18)

  1. Pile composée d'une pluralité de sacs constitués d'un film en matière synthétique, reliés ensemble, en particulier de sacs pour distributeurs automatiques comprenant une ouverture de remplissage (6) et un rabat (2) d'un côté qui présente des lignes de perforation (9, 9') limitant chaque fois une section de coin (11), s'étendant à un angle par rapport à l'ouverture de remplissage (6), dans laquelle au moins un point de blocage reliant ensemble les sacs dans la pile (1) est disposé dans chaque section de coin (11) et des ouvertures de pile (13) sont disposés dans une région intérieure du rabat (2) limitée par les lignes de perforation (9, 9'), caractérisée en ce que les points de blocage dans les sections de coin (11) sont configurés sous la forme d'un trou de blocage servant d'ouvertures de suspension (12) pour la pile (1).
  2. Pile selon la revendication 1, caractérisée en ce que la ligne de perforation (9, 9') est configurée essentiellement comme une droite.
  3. Pile selon la revendication 1 ou 2, caractérisée en ce que la ligne de perforation (9) est configurée de manière perforée en continu en partant du bord latéral concerné du sac jusqu'à un côté frontal (7) du rabat (2).
  4. Pile selon la revendication 1 ou 2, caractérisée en ce que la ligne de perforation (9') est configurée en partant du bord latéral concerné du sac en laissant une étendue non perforée (S) jusque approximativement sur le bord frontal (7) du rabat (2).
  5. Pile selon une ou plusieurs des revendications 1 à 4, caractérisée en ce que les ouvertures de pile (13) sont formées par des piqûres d'aiguille.
  6. Pile selon une ou plusieurs des revendications 1 à 4, caractérisée en ce que les ouvertures de pile (13) sont formées par des fentes en croix.
  7. Pile selon une ou plusieurs des revendications 1 à 6, caractérisée en ce que la pile est formée par une double pile de sacs divisée.
  8. Procédé pour la production en continu ainsi que pour la manipulation jusqu'au remplissage de sacs constitués d'une bande de film en matière synthétique thermoplastique, en particulier de sacs pour distributeurs automatiques, ayant les caractéristiques suivantes :
    une bande de film en matière synthétique plate et repliée en formant une languette de rabat faisant saillie d'un côté est amenée,
    des lignes de perforation (9, 9') s'étendant dans l'angle par rapport à l'ouverture de remplissage (6) du sac dans la région du rabat (2) sont appliquées dans des sections de bande de film de la bande de film en matière synthétique amenée et, de ce fait, des sections de coin (11) sont formées,
    les sacs sont accumulés en pile et sont bloqués ensemble pendant ou après l'empilage grâce à des trous de blocage pratiqués dans les sections de coin (11) et configurés comme des ouvertures de suspension (12) pour la pile (1) de sacs,
    la pile (1) de sacs est suspendue et / ou retenue par l'intermédiaire des ouvertures de suspension (12) bloquées pour le remplissage d'un sac avec un produit dans une machine d'emballage,
    pour le remplissage avec le produit, le sac se trouvant chaque fois au-dessus de la pile (1) de sacs est retenu au moins dans la région de son ouverture de remplissage (6) dans une position d'ouverture maximale telle que la perforation entre les sections de coin (11) et le rabat (2) est obligatoirement rompue et que le sac est de ce fait séparé de la pile de sacs, et
    ensuite l'ouverture de remplissage (6) est fermée.
  9. Procédé selon la revendication 8, caractérisé en ce que la rupture de la perforation a lieu avant que le produit à emballer soit introduit dans le sac.
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que le processus d'ouverture a pour effet aussi bien de déchirer au moins en partie la perforation entre les sections de coin (11) fermement retenues et le rabat (2) que de maintenir en position d'ouverture le sac séparé au moins en partie de la pile de sacs.
  11. Procédé selon une ou plusieurs des revendications 8 à 10, caractérisé en ce que l'agencement des lignes de perforation, en particulier leur position angulaire et / ou leur solidité et / ou leur étendue continue ou raccourcie entre la paroi latérale et le bord frontal du rabat et le processus d'ouverture lors du remplissage d'un sac sont coordonnés.
  12. Procédé selon une ou plusieurs des revendications 8 à 11, caractérisé en ce qu'en plus des ouvertures de suspension (12) bloquées, des ouvertures de pile (13) sont pratiquées dans la région du rabat (2) pendant la production des sacs.
  13. Procédé selon la revendication 12, caractérisé en ce que les ouvertures de pile (13) sont produites sans déchet de matière, par exemple par des piqûres d'aiguille.
  14. Procédé selon la revendication 12, caractérisé en ce que des fentes en croix sont estampées dans le rabat (2) pour former les ouvertures de pile (13).
  15. Procédé selon la revendication 13, caractérisé en ce que des sections de bande de film doubles sont suspendues symétriquement par l'intermédiaire d'aiguilles d'empilage d'un dispositif de transport de piles déplaçable par cycle et sont ensuite séparées en deux piles de sacs par une coupe de séparation longitudinale.
  16. Dispositif pour la production en continu de piles composées d'une pluralité de sacs constitués d'un film en matière synthétique, reliés ensemble, en particulier de sacs pour distributeurs automatiques, qui sont réalisés selon une des revendications 1 à 7, ayant les caractéristiques suivantes :
    un dispositif de perforation (20) avec des outils perforateurs disposés en oblique par rapport au sens de mouvement d'une bande de fil en matière synthétique repliée qui pratiquent des lignes de perforation (9, 9') s'étendant dans l'angle par rapport à l'ouverture de remplissage (6) du sac, dans une languette de rabat de la bande de film en matière synthétique faisant saillie d'un côté, pour former des sections de coin (11),
    un dispositif de soudage transversal - séparation (20),
    un dispositif de blocage (26) qui présente des outils de blocage de trou pour former des trous de blocage configurés comme des ouvertures de suspension (12) pour la pile (1) dans les sections de coin (11), et
    des outils supplémentaires pour former des ouvertures de pile (13) dans la région intérieure du rabat (2) limitée par les lignes de perforation (9, 9').
  17. Dispositif selon la revendication 16, caractérisé en ce qu'il présente un outil de piquage pour former des ouvertures de pile (13).
  18. Dispositif selon la revendication 17, caractérisé en ce qu'il présente un outil d'estampage de fentes en croix pour former les ouvertures de pile (13).
EP00102669A 1999-03-17 2000-02-09 Pile de sacs, procédé de fabrication et de remplissage desdits sacs et dispostif pour la fabrication de ladite pile Expired - Lifetime EP1036741B1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE19912019 1999-03-17
DE19912019 1999-03-17
DE19917284A DE19917284A1 (de) 1999-04-16 1999-04-16 Stapel aus einer Vielzahl von miteinander verbundenen Beuteln aus Kunststofffolie, insbesondere Automatenbeuteln
DE19917284 1999-04-16
DE19935065 1999-07-28
DE19935064 1999-07-28
DE19935064A DE19935064A1 (de) 1999-07-28 1999-07-28 Stapel aus einer Vielzahl von miteinander verbundenen Beuteln aus Kunststoffolie, insbesondere Automatenbeuteln
DE19935065A DE19935065A1 (de) 1999-03-17 1999-07-28 Stapel aus einer Vielzahl von miteinander verbundenen Beuteln aus Kunststoffolie, insbesondere Automatenbeuteln sowie Verfahren und Vorrichtung zum Herstellen und Füllen solcher Beutel

Publications (3)

Publication Number Publication Date
EP1036741A2 EP1036741A2 (fr) 2000-09-20
EP1036741A3 EP1036741A3 (fr) 2000-12-06
EP1036741B1 true EP1036741B1 (fr) 2005-10-26

Family

ID=27438931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00102669A Expired - Lifetime EP1036741B1 (fr) 1999-03-17 2000-02-09 Pile de sacs, procédé de fabrication et de remplissage desdits sacs et dispostif pour la fabrication de ladite pile

Country Status (5)

Country Link
EP (1) EP1036741B1 (fr)
AT (1) ATE307765T1 (fr)
AU (1) AU2228000A (fr)
CA (1) CA2301428A1 (fr)
DE (1) DE50011408D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011740A1 (fr) 2007-07-06 2009-01-07 LEMO Maschinenbau GmbH Sacs d'automates sur rouleau

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6601707B2 (en) 2001-02-16 2003-08-05 Hudson-Sharp Machine Co. Wicketed and wicket-less bags and method of filling the bags
CA2437808A1 (fr) 2001-02-16 2002-08-29 The Hudson-Sharp Machine Company Blocs de sachets perfectionnes
NL2016144B1 (en) * 2016-01-25 2017-07-31 Vmi Holland Bv Packaging device and a method for packaging cosmetic pads in a bag.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126094A (en) * 1964-03-24 Flexible bag packet
DE8717635U1 (de) * 1987-02-14 1989-07-13 Stiegler GmbH Maschinenfabrik, 7062 Rudersberg Vorrichtung zum Stapeln von aus Kunststoffolien hergestellten Beuteln mit Bodennaht
US4811417A (en) * 1988-01-05 1989-03-07 Trinity Paper & Plastics Corp. Handled bag with supporting slits in handle
CA2061854A1 (fr) * 1992-01-09 1993-07-10 Robert Benjamin Dematteis Methode et appareil servant a fabriquer des sacs d'emballage a double languette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011740A1 (fr) 2007-07-06 2009-01-07 LEMO Maschinenbau GmbH Sacs d'automates sur rouleau

Also Published As

Publication number Publication date
EP1036741A2 (fr) 2000-09-20
AU2228000A (en) 2000-09-21
CA2301428A1 (fr) 2000-09-17
EP1036741A3 (fr) 2000-12-06
ATE307765T1 (de) 2005-11-15
DE50011408D1 (de) 2005-12-01

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