EP1462366B1 - Procédé et dispositif pour appliquer une bande de film plastique autour d'un produit à emballer - Google Patents

Procédé et dispositif pour appliquer une bande de film plastique autour d'un produit à emballer Download PDF

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Publication number
EP1462366B1
EP1462366B1 EP04396024A EP04396024A EP1462366B1 EP 1462366 B1 EP1462366 B1 EP 1462366B1 EP 04396024 A EP04396024 A EP 04396024A EP 04396024 A EP04396024 A EP 04396024A EP 1462366 B1 EP1462366 B1 EP 1462366B1
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EP
European Patent Office
Prior art keywords
plastic film
girdle
product
packaged
wrapping
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
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EP04396024A
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German (de)
English (en)
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EP1462366A2 (fr
EP1462366A3 (fr
Inventor
Arno Haloila
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Octomeca Oy
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Octomeca Oy
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Publication date
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Priority to PL04396024T priority Critical patent/PL1462366T3/pl
Publication of EP1462366A2 publication Critical patent/EP1462366A2/fr
Publication of EP1462366A3 publication Critical patent/EP1462366A3/fr
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Publication of EP1462366B1 publication Critical patent/EP1462366B1/fr
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    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/008—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material by webs revolving around articles moved along the axis of revolution
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
    • B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles

Definitions

  • the present invention relates to a method for applying a plastic film around a product to be packaged, according to which method
  • a method for applying a plastic film around a product to be packaged are presented in the documents US-4,454,705 , EP-0 141 351 , US-4,711,069 , US-2003/0024213 A1 and US-5,566,530 .
  • a plastic film girdle of shrinkable plastic is placed on a supporting frame and the product to be packaged is brought to a position inside the supporting frame.
  • the plastic film girdle is tightened around the product.
  • this method is not sufficiently efficient when it is necessary to get several products packaged in a short time.
  • plastic film girdle has to be of a suitable size corresponding to the product to be packaged.
  • Another alternative for applying a plastic film around a product to be packaged is to bring the product to the wrapping station of a wrapping packaging machine, where the product to be packaged is held stationary while wrapping packaging film is wrapped around the product from a film reel circulating about the product.
  • An essential feature of the prior-art wrapping method is that the product to be packaged remains stationary during the wrapping operation and the wrapping line is halted each time for as long as it takes to wrap up the product. The duration of the halt is additionally increased by the starting actions and the seaming and cutting of the wrapping film band associated with the wrapping operation.
  • the capacity of the packaging method used should be as high as possible to enable the products to be packaged to be passed through the packaging stage as quickly as possible.
  • the object of the present invention is to overcome the above-described drawbacks and achieve a new and faster method for applying a wrapping plastic film around an object.
  • a specific object of the invention is to achieve a method for creating collars or girdles around a product to be packaged. Collars or girdles can also be made from wrapping plastic film, and these have numerous advantages as compared to prior-art girdles formed from steel or hard plastic bands, because a girdle formed from wrapping plastic film is softer and more resilient. It requires no corner supports to be used in conjunction with it and yet it does not damage the edges of the product to be packaged. However, producing a girdle by means of a wrapping packaging apparatus is a slow and uneconomical method as each girdle has to be wrapped separately.
  • a further object is to bind together two or more pieces in the same package as the product.
  • the invention also relates to a device for applying a plastic film around a product (16) to be packaged, said device comprising a wrapping support system of a wrapping machine having
  • the device of the invention is defined in claim 7.
  • Fig. 1 presents a side view of a wrapping machine 10 according to an embodiment of the invention, comprising a track 11 and a rotating ring 12. Attached to the track 12 is a film dispensing carriage, which is provided with a film reel 14 containing wrapping plastic film 15. Placed on top of the product 16 to be packaged moving on the track 11 are transverse pieces 17a and 17b to facilitate later manipulation of the product, said pieces being bound in the same bundle with the product 16 itself by means of girdles to be produced by wrapping.
  • the wrapping machine 10 in Fig. 1 is provided with a wrapping support system 20 comprising four supporting elements 21a-21d, which can be turned about axles 23a-23d and which are located on either side of the track 11 and therefore of the product 16 to be packaged. All the supporting elements 21a-21d have straight sides 22a-22d, which in the wrapping position shown in Fig. 1 together form a supporting frame, on which the film girdle 18 to be produced from plastic film 15 by wrapping can be formed.
  • the wrapping operation for producing a film girdle 18 is going on.
  • the product to be packaged 16 is not yet aligned with the girdle 18 because, according to the invention, the girdle 18 can be finished beforehand and only then transferred onto the surface of the product 16.
  • the product to be packaged 16 is placed on the track 11 and moving towards the wrapping station 20.
  • the supporting frame consisting of supporting elements 21a-21d has been adjusted to be larger than the product 16 to be packaged, so that the film girdle 18 being produced will be large enough to allow the product 16 being packaged to be moved inside the film girdle supported by the supporting frame.
  • Fig. 2 the wrapping operation producing a film girdle 18 has been completed.
  • the films forming the film girdle 18 supported by the supporting elements 21a-21d have now been seamed and the plastic film band coming from the reel 14 has been severed.
  • the plastic film band need not always be seamed if the film band layers placed one over the other are otherwise held fast on each other sufficiently well.
  • the product 16 to be packaged has moved on the track 11 so that transverse piece 17a is aligned with the film girdle 18 in the wrapping station 20.
  • the ring 12 and film dispensing carriage 13 connected to it have been stopped for a short while, during which the film girdle 18 is transferred onto the product 16 to be packaged and the transverse piece 17a, as illustrated in the next figures 3 and 4.
  • the end of the film band 15 coming from the film reel 14 is held fast by a gripper 24 and is ready for the start of a wrapping operation for producing the next film girdle.
  • the film girdle 18 has been tightened over the product 16 to be packaged and the transverse piece 17a.
  • the supporting elements 21a-21d have been turned about the axles 23a-23d to their outermost position, so the film girdle 18 has been able to be transferred onto the surface of the product 16 to be packaged.
  • the formation of the film girdle 18 has been completed and the supporting elements 21a-21d begin to turn again to the position of readiness shown in Fig. 1 and a ready for the next film girdle wrapping operation. Therefore, the rotating motion of the ring 12 can be quickly started and the wrapping operation for forming the next film girdle, which is to be wrapped over transverse piece 17b, can be started immediately.
  • the product 16 to be packaged also starts moving and is again at the right position on the track 11 when the next film girdle is ready to be mounted.
  • Fig. 6 three layers of wrapping plastic film band 15 have been wrapped one upon the other.
  • the ring is now stopped again for a short while and the seaming and cutting device 25 seams the wrapping plastic film layers to form a closed film girdle 18.
  • the gripper 24 grips the plastic film band 15 coming from the reel 14 so that it will be ready for the start of the wrapping operation for forming the next film girdle.
  • the seaming and cutting device 25 has released its grip and the film girdle 18 is continuous and ready to be transferred onto the product 16 to be packaged.
  • the supporting elements 21a-21d move in the directions indicated by the arrows, allowing the film girdle 18 to tighten around the product 16 to be packaged and over the transverse piece 17.
  • Fig. 8 presents the wrapping support system 20 of the wrapping machine of the invention according to a second embodiment.
  • the wrapping support system 20 is simpler than in the example illustrated in the previous figures because it comprises only two supporting elements 21a-21b on either side of the product 16 to be packaged.
  • the film girdle 18 is transferred onto the product 16 to be packaged in a lopsided manner with one edge first.
  • the device works just as well, at least if the product 16 to be packaged is heavy. In the case of lighter objects, it is preferable to use during the transfer of the film girdle a clutch known in itself, which presses the product 16 to be packaged from above, thus holding it reliably in place.
  • the clutch is not shown in the figures.
  • the supporting elements 21a-21 b in the wrapping support system 20 of the wrapping machine are endless belts, over which the film girdle 18 is wrapped.
  • the finished film girdle 18 is cut off by means of a clipper 26 and transferred onto the product 16 to be packaged by means of second endless belts forming extensions of belts 21a-21b in the manner illustrated in Fig. 9.
  • Fig. 10 presents yet another embodiment of the wrapping machine of the invention, in which the supporting elements 21a-21d in the wrapping support system 20 are rotating bars, over which the wrapping plastic film 15 is wound from the film reel 14.
  • the film reel 14 and the bars 21 a-21 b are so disposed with respect to each other as to also allow a continuous wrapping action for forming a film girdle 18 over the bars 21 a-21 b, the product thus obtained being a plastic film tube 18b, which is cut off by means of a clipper 26 to form a film girdle 18a of suitable length.
  • the bars 21a-21b are rotating, the film girdle 18a cut off advances to the right in Fig. 10 and is first transferred onto second reels and then onto the product 16 to be packaged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (11)

  1. Méthode pour appliquer un film plastique (18) autour d'un produit (16) à empaqueter, méthode suivant laquelle
    - le produit (16) à empaqueter est déplacé, dans le système de support d'emballage (20) de la machine d'emballage (10), jusqu'à une position à l'intérieur d'une gaine de film en plastique (18) de plastique rétractable et/ou étirable placée sur un châssis d'appui composé d'éléments d'appui (21) et ayant une circonférence supérieure à la circonférence du produit à empaqueter, ou de façon correspondante, la gaine de film en plastique est déplacée jusqu'à une position autour du produit à empaqueter,
    - après quoi le châssis d'appui composé d'éléments d'appui (21) est retiré hors de la gaine de film en plastique (18), ceci permettant à la gaine de film en plastique de se resserrer autour du produit (16) à empaqueter,
    - la gaine de film en plastique (18) est formée en roulant une bande de film d'emballage en plastique (15) rétractable et/ou étirable afin de former une gaine de film en plastique (18) autour du châssis d'appui composé d'éléments d'appui (21) et ayant une circonférence supérieure à la circonférence du produit (16) à empaqueter,
    - et que le châssis d'appui composé d'éléments d'appui (21) est retiré de l'intérieur de la gaine de film en plastique (18), de façon à permettre à la gaine de film en plastique de se resserrer autour du produit (16) à empaqueter,
    caractérisée en ce que
    - dans le système de support d'emballage (20) de la machine d'emballage (10), on forme au moins deux gaines liantes de film en plastique (18), dont la largeur est essentiellement inférieure à la longueur du produit (16) à empaqueter,
    - on lie ensemble le produit (16) à empaqueter ou le produit et au moins une pièce (17a, 17b) de façon à ce que les gaines liantes de film en plastique (18a, 18b) au total ne couvrent pas toute la longueur du produit (16) à empaqueter,
    - on forme les gaines liantes de film en plastique (18a, 18b) dans le système d'appui d'emballage (20) de la machine d'emballage (10) sur les éléments d'appui (21) à l'avance ou durant le transport du produit (16) à empaqueter vers le système d'appui d'emballage (20)"
    - on transfère le produit (16) à empaqueter et/ou la gaine liante de film en plastique (18) de façon à ce que la surface sur le produit où le bandage est à former, vienne à une position alignée avec la gaine liante de film en plastique (18), et
    - on permet aux gaines liantes de film en plastique (18a, 18b) de se resserrer autour du produit à empaqueter ou du produit et d'au moins une pièce (17a, 17b) de façon à ce que seulement une partie de la longueur du produit (16) à empaqueter reste sous la gaine liante de film en plastique.
  2. Méthode selon la revendication 1, caractérisée en ce que la gaine liante de film en plastique (18) est formée en enroulant plusieurs couches de bande de film d'emballage en plastique (15) les unes sur les autres et en coupant la bande.
  3. Méthode selon la revendication 1 ou 2, caractérisée en ce que la gaine liante de film en plastique (18) est formée en enroulant trois couches de bande de film d'emballage en plastique (15) les unes sur les autres et en coupant la bande.
  4. Méthode selon selon la revendication 1, 2 ou 3, caractérisée en ce que la gaine liante de film en plastique (18) est formée en enroulant des couches de bande de film d'emballage en plastique (15) autour du châssis de support composé d'éléments d'appui (21), et en coupant et joignant la bande.
  5. Méthode selon la revendication 1, caractérisée en ce
    - que la bande de film d'emballage (15) est enroulée sur le châssis de support composé d'éléments d'appui (21), formant ainsi un tube de film en plastique (18b) sur le châssis de support,
    - qu'une gaine liante de film en plastique (18a) d'une longueur voulue est coupée dans le tube de film en plastique (18b),
    - que le produit (16) à empaqueter et/ou la gaine liante de film en plastique (18) sont déplacés/est déplacé sur le rail (11) de façon à ce que le produit à empaqueter reste à l'intérieur de la gaine de film en plastique (18a) coupée,
    - et que le châssis de support composé d'éléments d'appui (21) est retiré hors de la gaine de film en plastique (18a) et que la gaine liante de film en plastique est laissée se rétrécir et se resserrer autour du produit (16) à empaqueter de façon à ce que seulement une partie de la longueur du produit (16) à empaqueter reste sous la gaine liante de film en plastique.
  6. Méthode selon la revendication 5, caractérisée en ce
    - que la bande de film d'emballage (15) est enroulée sur le châssis de support composé d'éléments d'appui (21) de manière continue de façon qu'un tube de film en plastique (18b) dont la longueur augmente continuellement, se forme sur le châssis de support,
    - qu'une gaine liante de film en plastique (18a) d'une longueur voulue est coupée dans le tube de film en plastique (18b) pendant l'opération d'emballage,
    - que, pendant que l'opération d'emballage se poursuit, le produit (16) à empaqueter et/ou la gaine liante de film en plastique (18) sont déplacés/est déplacé sur le rail (11) de façon à ce que le produit à empaqueter reste à l'intérieur de la gaine de film en plastique (18a) coupée,
    - et que le châssis de support composé d'éléments d'appui (21) est retiré hors de la gaine liante de film en plastique (18a) et que la gaine liante de film en plastique est laissée se rétrécir et se resserrer autour du produit (16) à empaqueter de façon à ce que seulement une partie de la longueur du produit (16) à empaqueter reste sous la gaine liante de film en plastique.
  7. Dispositif (10) pour appliquer un film plastique (18) autour d'un produit (16) à empaqueter, ledit dispositif comportant un système de support d'emballage (20) d'une machine d'emballage (10) ayant
    - un châssis de support composé d'éléments d'appui (21) et ayant sur lui une gaine de film en plastique (18) de plastique rétractable et/ou étirable, ladite gaine ayant une circonférence supérieure à la circonférence du produit (16) à empaqueter,
    - des éléments de transfert (11, 22, 23) pour transférer le produit (16) à empaqueter et/ou la gaine de film en plastique (18) de façon à ce que le produit à empaqueter reste à l'intérieur de la gaine de film plastique,
    - des moyens (22, 23) pour retirer les éléments d'appui (21) hors de la gaine de film en plastique (18), permettant à la gaine de film en plastique de se resserrer autour du produit (16) à empaqueter,
    - un système d'emballage (12, 13) pour enrouler une bande de film en plastique rétractable et/ou étirable (15) d'une bobine de film (14) sur les éléments d'appui (21) de façon à ce que la bande de film d'emballage à enrouler forme, sur les éléments d'appui, une gaine de film en plastique (18) se resserrant sur le produit (16) à empaqueter,
    - des éléments de transfert (11, 22, 23) pour transférer le produit (16) à empaqueter et/ou la gaine de film en plastique (18) formée à partir de la bande de film d'emballage en plastique (15) de façon à ce que le produit à empaqueter reste à l'intérieur de la gaine de film en plastique,
    caractérisé en ce
    - que le système d'emballage (12, 13) est arrangé de façon à enrouler la bande de film en plastique rétractable et/ou étirable (15) pour former une gaine liante de film en plastique (18) afin de lier le produit (16) à empaqueter ou le produit et au moins une pièce (17a, 17b) ensemble, ladite machine d'emballage (10) comportant
    - des éléments (14) pour enrouler du film en plastique afin de former une gaine en plastique de façon à ce que la largeur de la gaine liante de film en plastique (18) soit essentiellement inférieure à la longueur du produit (16) à empaqueter de façon à ce que les gaines liantes de film en plastique (18a, 18b) au total ne couvrent pas toute la longueur du produit à empaqueter,
    - lesdits éléments pour former une gaine de film en plastique (18) comportant une bobine de film (14) ayant une bande de film en plastique (15), la largeur de la bande étant essentiellement inférieure à la longueur du produit à empaqueter, et des éléments pour enrouler des couches de bande de film plastique les unes sur les autres, ou
    - lesdits éléments pour former une gaine de film en plastique (18) comportant des éléments pour enrouler du tube de film en plastique (18b) et des éléments de coupe (26) pour couper le tube de film en plastique en une gaine de film (18a) d'une longueur appropriée,
    - des éléments de transfert (11, 22, 23), qui sont arrangés pour transférer le produit (16) à empaqueter vers le système de support d'emballage (20) pendant que la gaine liante de film en plastique (18) est enroulée, à l'avance durant le transport du produit dans le système de support d'emballage (20) de la machine d'emballage (10), sur les éléments d'appui (21), et
    - des éléments d'alignement pour aligner la gaine de film formée (18) par rapport à la position du produit de façon à ce que seulement une partie de la longueur du produit (16) à empaqueter reste sous la gaine liante de film en plastique dans le poste d'emballage (20).
  8. Dispositif (10) selon la revendication 7, caractérisé en ce
    - que les éléments d'appui (21) du dispositif (10), sur lesquels la bande de film d'emballage en plastique (15) peut être enroulée pour former une gaine liante de film en plastique (18), forment un châssis de support de préférence rectangulaire, dont la largeur et la hauteur sont supérieures à la largeur et à la hauteur du produit (16) à empaqueter,
    - et que chaque coin du châssis de support se composant d'éléments d'appui (21) est muni d'au moins un élément d'appui (21), qui peut être déplacé pour transférer la gaine liante de film en plastique (18) jusqu'à une position autour du produit (16) à empaqueter.
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que le dispositif (10) a, dans les coins du châssis de support, des paires d'éléments d'appui (21a, 21b) qui peuvent être tournées ou déplacées loin les unes des autres pour faire passer la gaine liante de film en plastique (18) enroulée sur les éléments d'appui (21) jusqu'à une position autour du produit (16) à empaqueter.
  10. Dispositif (10) selon la revendication 7, caractérisé en ce que le dispositif comporte
    - un système d'emballage (12, 13) et des éléments d'appui (21) pour enrouler une bande de film d'emballage en plastique (15) pour former un tube de film en plastique (18b) ayant une circonférence supérieure à la circonférence du produit (16) à empaqueter,
    - une coupeuse (26) pour couper et séparer la gaine liante de film en plastique (18) du tube de film en plastique (18b),
    - les éléments d'appui (21) du tube de film en plastique (18b) constituant également des éléments de transfert de la gaine de film en plastique (18), tels que des bandes sans fin ou des barres rotatives.
  11. Dispositif (10) selon la revendication 10, caractérisé en ce
    - que, dans le dispositif, le système d'emballage (12, 13) pour emballer la bande de film d'emballage en plastique (15) pour former un tube de film en plastique (18b) est un système fonctionnant de manière continue,
    - et que les éléments d'appui (21) du dispositif (10) se composent de deux parties telles que la première partie des éléments d'appui est une base sur laquelle l'enroulage de la bande de film d'emballage en plastique (15) est effectué, tandis que la seconde partie des éléments d'appui est une partie de transfert pour transférer la gaine de film en plastique (18) coupée par la coupeuse (26).
EP04396024A 2003-03-27 2004-03-29 Procédé et dispositif pour appliquer une bande de film plastique autour d'un produit à emballer Expired - Lifetime EP1462366B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04396024T PL1462366T3 (pl) 2003-03-27 2004-03-29 Sposób i urządzenie do nakładania owijającej folii z tworzywa sztucznego wokół wyrobu, który ma być zapakowany

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Application Number Priority Date Filing Date Title
FI20030459A FI116934B (fi) 2003-03-27 2003-03-27 Menetelmä ja laite käärintämuovikalvonauhan viemiseksi pakattavan tuotteen ympärille
FI20030459 2003-03-27

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EP1462366A2 EP1462366A2 (fr) 2004-09-29
EP1462366A3 EP1462366A3 (fr) 2005-06-15
EP1462366B1 true EP1462366B1 (fr) 2007-12-19

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US (2) US20050178084A1 (fr)
EP (1) EP1462366B1 (fr)
AT (1) ATE381485T1 (fr)
DE (1) DE602004010734T2 (fr)
FI (1) FI116934B (fr)
PL (1) PL1462366T3 (fr)

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FI20096129A0 (fi) * 2009-11-02 2009-11-02 Cross Wrap Oy Menetelmä ja laite pakattujen paalien valmistamiseksi
ITUB20151033A1 (it) * 2015-05-29 2016-11-29 Aetna Group Spa Macchina avvolgitrice
ITUB20151361A1 (it) * 2015-05-29 2016-11-29 Aetna Group Spa Macchina avvolgitrice
CN105292571B (zh) * 2015-10-30 2017-10-24 江南大学 一种自动封装装置
CN106962963B (zh) * 2017-05-03 2023-06-02 连云港瑞洋牧业有限公司 发酵饲草的生产***

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DE602004010734T2 (de) 2008-12-11
US20070175179A1 (en) 2007-08-02
FI116934B (fi) 2006-04-13
PL1462366T3 (pl) 2008-05-30
FI20030459A0 (fi) 2003-03-27
US20050178084A1 (en) 2005-08-18
FI20030459A (fi) 2004-09-28
DE602004010734D1 (de) 2008-01-31
EP1462366A2 (fr) 2004-09-29
ATE381485T1 (de) 2008-01-15
EP1462366A3 (fr) 2005-06-15

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