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EP1462381B2 - Disque d'étanchéité - Google Patents

Disque d'étanchéité Download PDF

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Publication number
EP1462381B2
EP1462381B2 EP03076231A EP03076231A EP1462381B2 EP 1462381 B2 EP1462381 B2 EP 1462381B2 EP 03076231 A EP03076231 A EP 03076231A EP 03076231 A EP03076231 A EP 03076231A EP 1462381 B2 EP1462381 B2 EP 1462381B2
Authority
EP
European Patent Office
Prior art keywords
layer
closure
liner
container neck
layer set
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
EP03076231A
Other languages
German (de)
English (en)
Other versions
EP1462381B1 (fr
EP1462381A1 (fr
Inventor
Claude Benoit-Gonin
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.)
Obrist Closures Switzerland GmbH
Original Assignee
Obrist Closures Switzerland 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32798968&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1462381(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Obrist Closures Switzerland GmbH filed Critical Obrist Closures Switzerland GmbH
Priority to AT03076231T priority Critical patent/ATE329851T1/de
Priority to DE60306104T priority patent/DE60306104T3/de
Priority to ES03076231T priority patent/ES2266718T5/es
Priority to EP03076231A priority patent/EP1462381B2/fr
Publication of EP1462381A1 publication Critical patent/EP1462381A1/fr
Application granted granted Critical
Publication of EP1462381B1 publication Critical patent/EP1462381B1/fr
Publication of EP1462381B2 publication Critical patent/EP1462381B2/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
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/04—Discs
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane

Definitions

  • the present invention relates to a closure according to claim 1 and a liner according to claims 2 or 3.
  • Liners are widely used to perform a variety of functions in association with closures. Primarily liners are used for sealing an associated container neck. However, liners are also used, for example, in gas scavenging and gas barrier applications. In order to provide a plurality of functions, liners often comprise a plurality of layers.
  • the lower liner layer may seal the dispensing component.
  • the lower liner layer must first be removed or punctured in some way to allow the contents of the container to be dispensed using the separate dispensing component.
  • EP-A-0040797 discloses a liner consisting of three layers. The middle layer remains on the lower layer after removal of the closure along with the upper layer. Only when the middle layer is removed are apertures formed in the lower layer for dispensing material.
  • the principle of the present invention is to use one of the layers of a two-layer liner as a dispensing aid. A separate dispensing component is therefore not required. In addition there is no requirement to remove or puncture any part of the lower layer before dispensing.
  • the invention is not limited to the shape or the number of orifices in the liner.
  • a closure with a liner is applied to a container neck and induction welding is used to seal the lowermost liner layer to the container neck.
  • induction welding is used to seal the lowermost liner layer to the container neck.
  • the induction process weakens or removes the adhesion between a lower layer or set of layers which is intended to remain on the container neck, and an upper layer or set of layers which is intended to remain in the closure.
  • the first layer set comprises or includes a layer of aluminium which can easily be induction welded onto a plastic container neck and has good gas (e.g. oxygen) barrier properties.
  • the second layer set comprises or includes a layer of polyethylene. Polyethylene, particularly when in foamed form, has good sealing properties to allow the liner to seal around a container neck.
  • the or each orifice is preferably positioned wholly within the periphery of the sealed area on the neck.
  • the present invention also provides a closure incorporating a liner as described herein.
  • the present invention also provides a method of forming a liner according to claim 6.
  • a disc-shape liner generally indicated (10).
  • the liner (10) comprises a layer of foamed polyethylene (20) and a layer of aluminium (30) joined by a layer of adhesive (40).
  • the aluminium layer (30) includes two oval orifices (35, 36).
  • the closure (50) comprises a disc-shape top plate (60) with a cylindrical skirt (70) depending from the periphery thereof.
  • the skirt (70) includes screw thread formations (80).
  • the liner (10) is glued to the underside of the top plate (60) by an adhesive layer (15) on the polyethylene layer (20).
  • Fig.3 the closure (50) is shown applied to a container neck (90).
  • the closure is applied using screw thread formations (95) on the neck corresponding to the formations (80) on the closure.
  • the liner in particular the foamed polyethylene layer (20), is compressed and forms a seal around the container neck (90).
  • the aluminium layer (30) is welded to the container neck (90) by an induction process.
  • the induction process also weakens/removes the adhesion between the layers (20, 30) by at least partly melting the adhesive layer (40).
  • Fig.4 shows the closure and container neck following first removal of the closure. Because the adhesion between the layers (20, 30) is weakened/removed, when the closure (50) is unscrewed the aluminium layer (30) remains on the container neck (90) and the polypropylene layer (20) remains on the top plate (60) because of the adhesive layer (15).
  • the aluminium layer (30) constitutes a first layer set which remains on the container neck following first removal of the closure.
  • the polyethylene layer (20) constitutes a second layer set which remains in the closure following first removal.
  • the orifices (35, 36) in the layer (30) now allow the contents of the container to be dispensed, with no need for a separate dispensing component in order to control product flow.
  • the layer (20) still serves to seal the container.
  • Fig.5a shows the two layers (20, 30) separate to each other.
  • the layers (20, 30) are then joined by the layer of adhesive (40) to form a multi-layer liner as shown in Fig.5b .
  • orifices (35, 36) are formed solely in the aluminium layer (30).
  • the depth of cutting/drilling must therefore be determined precisely. It is of course likely that in practice the cutting/drilling may extend slightly into the polypropylene layer (20). Because the orifices are entirely within the area (A) of the layer (20) which seals around the container neck (see Fig.4 ), even if the orifices extend into the layer (20) this will not affect the sealing performance.
  • the liner (110) comprises a layer of foamed polyethylene (120), an oxygen-scavenging layer (121), a further layer of foamed polyethylene (131) and a layer of aluminium (130).
  • Orifices (135, 136) are formed in the aluminium layer and the polyethylene layer (131).
  • the layers are joined together by adhesion.
  • the polyethylene layer (131) and the oxygen-scavenging layer (121) are joined using an adhesive layer (140) which acts in the same way as the layer (40) of Figs. 1 to 4 . Accordingly, after the liner (110) has been secured into a closure and added to a container neck the layers (121, 131) separate on removal of the closure.
  • the layers (130, 131) constitute a first layer set which remains on the container neck following first removal of the closure.
  • the layers (120, 121) constitute a second layer set which remains in the closure.
  • the contents of the container can be dispensed through the orifices (135, 136).
  • the liner (110) will be formed in a large sheet, and disc-shaped liners will be punched out.
  • the orifices (135, 136) could be formed before or after the punching operation.
  • the liner (210) comprises a layer of foamed polyethylene (220), a layer of wax (225), a layer of adhesive (240) joining the layer of wax (225) to another layer of wax (226), a layer of aluminium (230), a layer of polyethylene terephthalate (227) and a layer of polyethylene (228).
  • Orifices (230, 231, 232) are formed in the layers (226, 230, 227, 228).
  • the layers (226, 230, 227, 228) constitute a first layer set which remains on the container neck following first removal of the closure.
  • the layers (220, 225) constitute a second layer set which remains in the closure.
  • the level of adhesion provided by the adhesive layer (240) is very low and is sufficient merely to hold the wax layers (225, 226) together.
  • the level of adhesion provided by the adhesive layer (240) is not reduced.
  • the lower polyethylene layer (228) is welded to the container neck, and the upper polyethylene layer (220) is glued into the closure.
  • the liner will split between the wax layers (225, 226) when the closure is removed for the first time.
  • the principle that the liner will split along the line of lowest adhesion can be applied when deciding which layers to include in a liner, and what levels of adhesion are required between the layers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Laminated Bodies (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Organic Insulating Materials (AREA)

Claims (6)

  1. Capsule ou fermeture (50) adaptée pour fermer ou sceller l'ouverture d'un col de récipient (90) et incorporant un revêtement (10), le revêtement consistant uniquement en deux ensembles de couches comprenant un premier ensemble de couches qui se compose de, ou inclut, une couche d'aluminium (30) qui demeure sur le col de récipient (90) suite à un premier enlèvement de la capsule (50), et un deuxième ensemble de couches qui se compose de, ou inclut, une couche de polyéthylène alvéolaire ou moussé (20) et est collé sur le dessous du couvercle de la capsule par une couche d'adhésif de sorte à demeurer sur la capsule, dans laquelle le premier ensemble de couches inclut un ou plusieurs orifices de distribution (35, 36) le traversant complètement et permettant au contenu du récipient d'être distribué suite à un premier enlèvement de la capsule avec le second ensemble de couches (20), la couche de polyéthylène alvéolaire ou moussé (20) et la couche d'aluminium (30) étant jointes par une couche d'adhésif (40) de sorte qu'elle puisse être affaiblie ou retirée par soudage par induction de la couche d'aluminium (30) au col de récipient (90).
  2. Revêtement (110) pour une capsule ou fermeture (50) adaptée pour fermer ou sceller l'ouverture d'un col de récipient (90), le revêtement consistant uniquement en deux ensembles de couches comprenant un premier ensemble de couches (30) qui se compose de, ou inclut, une couche d'aluminium (130) et est adapté à demeurer sur le col de récipient suite à un premier enlèvement de la capsule, et un deuxième ensemble de couches (20) qui se compose de, ou inclut, une couche de polyéthylène alvéolaire ou moussé (120) et est adapté à demeurer sur la capsule, dans lequel le premier ensemble de couches inclut un ou plusieurs orifices de distribution (135, 136) le traversant complètement et permettant au contenu du récipient d'être distribué suite à un premier enlèvement de la capsule avec le second ensemble de couches (20), le premier ensemble, de couches comprenant en outre une couche supplémentaire de polyéthylène alvéolaire ou moussé (131) et le second ensemble de couches comprenant en outre une couche de piégeage d'oxygène (121), dans lequel la couche de polyéthylène du premier ensemble de couches et la couche de piégeage d'oxygène du second ensemble de couches sont jointes par une couche d'adhésif (140) qui peut être affaiblie ou retirée par soudage par induction de la couche d'aluminium au col de récipient.
  3. Revêtement (210) pour une capsule ou fermeture (50) adaptée pour fermer l'ouverture d'un col de récipient (90), le revêtement consistant uniquement en deux ensembles de couches comprenant un premier ensemble de couches (30) qui se compose de, ou inclut, dans l'ordre suivant, une couche de cire (226), une couche d'aluminium (230), une couche de polyéthylène téréphtalate (227) et une couche de polyéthylène (228) et est adapté à demeurer sur le col de récipient (90) suite à un premier enlèvement de la capsule, et un deuxième ensemble de couches (20) qui se compose de, ou inclut, dans l'ordre suivant, une couche de polyéthylène alvéolaire (220) et une couche de cire (225) et est adapté à demeurer sur la capsule en adhérant la couche de polyéthylène à l'intérieur de la capsule, dans lequel le premier ensemble de couches inclut un ou plusieurs orifices de distribution (231, 232) le traversant complètement et permettant au contenu du récipient d'être distribué suite à un premier enlèvement de la capsule avec le second ensemble de couches (20), dans lequel une couche d'adhésif (240) joint la couche de cire (226) du premier ensemble de couches et la couche de cire (225) du second ensemble de couches, le niveau d'adhésion fourni par la couche d'adhésif (240) étant simplement suffisant pour maintenir les couches de cire (225, 226) ensemble, de sorte que le revêtement (210) se séparera entre les couches de cire (225, 226) lors du premier enlèvement de la capsule.
  4. Capsule (50) incorporant un revêtement (10) selon la revendication 2 ou la revendication 3.
  5. Capsule selon la revendication 1 ou la revendication 4, dans laquelle le ou chaque orifice (35, 36) est entièrement situé à l'intérieur de la périphérie de la zone obturée ou scellée (A) sur le col de récipient.
  6. Procédé de formation d'un revêtement (10) pour une capsule ou fermeture (50) adaptée pour fermer ou sceller l'ouverture d'un col de récipient (90), le revêtement consistant uniquement en deux ensembles de couches comprenant un premier ensemble de couches (30) qui se compose de, ou inclut, une couche d'aluminium et est adapté à demeurer sur le col de récipient suite à un premier enlèvement de la capsule, et un deuxième ensemble de couches (20) qui se compose de, ou inclut, une couche de polyéthylène et est adapté à demeurer sur la capsule, dans lequel le premier ensemble de couches inclut un ou plusieurs orifices de distribution (35, 36) le traversant complètement et permettant au contenu du récipient d'être distribué suite à un premier enlèvement de la capsule avec le second ensemble de couches (20), le procédé comprenant les étapes consistant à joindre ensemble les premier et second ensembles de couches, puis à former le au moins un orifice de distribution dans le premier ensemble de couches par le retrait ou l'enlèvement d'une ou de portion(s) du premier ensemble de couches.
EP03076231A 2003-03-22 2003-03-22 Disque d'étanchéité Expired - Lifetime EP1462381B2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT03076231T ATE329851T1 (de) 2003-03-22 2003-03-22 Beschichtungsscheibe
DE60306104T DE60306104T3 (de) 2003-03-22 2003-03-22 Beschichtungsscheibe
ES03076231T ES2266718T5 (es) 2003-03-22 2003-03-22 Revestimiento.
EP03076231A EP1462381B2 (fr) 2003-03-22 2003-03-22 Disque d'étanchéité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03076231A EP1462381B2 (fr) 2003-03-22 2003-03-22 Disque d'étanchéité

Publications (3)

Publication Number Publication Date
EP1462381A1 EP1462381A1 (fr) 2004-09-29
EP1462381B1 EP1462381B1 (fr) 2006-06-14
EP1462381B2 true EP1462381B2 (fr) 2009-01-28

Family

ID=32798968

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03076231A Expired - Lifetime EP1462381B2 (fr) 2003-03-22 2003-03-22 Disque d'étanchéité

Country Status (4)

Country Link
EP (1) EP1462381B2 (fr)
AT (1) ATE329851T1 (fr)
DE (1) DE60306104T3 (fr)
ES (1) ES2266718T5 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN104039660A (zh) * 2011-12-21 2014-09-10 雀巢产品技术援助有限公司 用于容器的具有多层密封盘的封闭盖

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US8715825B2 (en) 2005-01-06 2014-05-06 Selig Sealing Products, Inc. Two-piece pull-tab sealing member with improved heat distribution for a container
BRPI0610582A2 (pt) 2005-04-15 2010-07-06 Illinois Tool Works laminado de material de vedação
DE102006030074B3 (de) * 2006-06-28 2007-07-26 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe mit einer sauerstoffabsorbierenden Substanz
DE102006030082B3 (de) * 2006-06-28 2007-09-06 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe mit Perforationen
DE102006030118B3 (de) * 2006-06-28 2007-05-10 Alfelder Kunststoffwerke Herm. Meyer Gmbh Dichtscheibe mit Perforationen
US9624008B2 (en) 2007-03-23 2017-04-18 Selig Sealing Products, Inc. Container seal with removal tab and security ring seal
FR2943321B1 (fr) * 2009-03-18 2013-12-27 Joints Manuf Generale Opercule perfore muni d'une languette d'arrachage pour obturation d'un recipient
GB201007023D0 (en) 2010-04-27 2010-06-09 Obrist Closures Switzerland A seal
US9834339B2 (en) 2011-03-28 2017-12-05 Selig Sealing Products, Inc. Laminate structure to stabilize a dimensionally unstable layer
KR101875176B1 (ko) 2011-06-24 2018-07-06 셀리그 실링 프로덕츠, 아이엔씨. 분배 특징부의 노출 및 형성을 위한 제거 가능 부분을 가진 밀봉 부재
US9193513B2 (en) 2012-09-05 2015-11-24 Selig Sealing Products, Inc. Tabbed inner seal
US9028963B2 (en) 2012-09-05 2015-05-12 Selig Sealing Products, Inc. Tamper evident tabbed sealing member having a foamed polymer layer
CA2846021C (fr) 2013-03-15 2021-06-08 Selig Sealing Products, Inc. Joint d'etancheite interne a couche formant une languette partielle chevauchante
CA2846161C (fr) 2013-03-15 2020-10-20 Selig Sealing Products, Inc. Joint d'etancheite interne a sous-couche formant une languette
ES2762810T3 (es) 2014-02-05 2020-05-25 Selig Sealing Products Inc Miembro de obturación de aluminio doble provisto de lengüeta que indica la manipulación indebida
EP2930122A1 (fr) 2014-04-10 2015-10-14 Constantia Flexibles International GmbH Fermeture rotative avec liner pour un récipient
EP3265397B1 (fr) 2015-03-03 2020-01-15 Selig Sealing Products, Inc. Opercule à languette, laminé pour découper des opercules à languette et methode pour former des opercules à languette
US10934069B2 (en) 2016-10-28 2021-03-02 Selig Sealing Products, Inc. Sealing member for use with fat containing compositions
CA3040898A1 (fr) 2016-10-28 2018-05-03 Selig Sealing Products, Inc. Element unique formant sceau d'inviolabilite a languette en aluminium
US11866242B2 (en) 2016-10-31 2024-01-09 Selig Sealing Products, Inc. Tabbed inner seal
GB2570873B (en) * 2018-02-01 2023-03-22 Douwe Egberts Bv Container lid and liner, and method of manufacturing the same
GB201809831D0 (en) * 2018-06-15 2018-08-01 Douwe Egberts Bv Container lids and methods of manufacturing the same
AU2019301060B2 (en) 2018-07-09 2024-07-04 Selig Sealing Products, Inc. Grip enhancements for tabbed seal
US11254481B2 (en) 2018-09-11 2022-02-22 Selig Sealing Products, Inc. Enhancements for tabbed seal
WO2021108506A1 (fr) 2019-11-29 2021-06-03 Selig Sealing Products, Inc. Opercule à languette sans feuille métallique
MX2022014739A (es) 2020-05-29 2023-01-04 Selig Sealing Products Inc Dispensador de revestimiento.

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EP0061929A1 (fr) † 1981-03-31 1982-10-06 Minnesota Mining And Manufacturing Company Fermeture de récipient se prêtant au scellage par induction
WO2000066450A1 (fr) † 1999-05-04 2000-11-09 Alfelder Kunststoffwerke Herm. Meyer Gmbh Bouchon filete a disque d'etancheite

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FR2716407B1 (fr) * 1994-02-22 1996-04-12 Joints Manuf Generale Procédé pour la réalisation d'un joint scellable pour l'obturation d'un récipient à fermeture par bouchon ou capsule et joint scellable ainsi obtenu.
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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
EP0061929A1 (fr) † 1981-03-31 1982-10-06 Minnesota Mining And Manufacturing Company Fermeture de récipient se prêtant au scellage par induction
WO2000066450A1 (fr) † 1999-05-04 2000-11-09 Alfelder Kunststoffwerke Herm. Meyer Gmbh Bouchon filete a disque d'etancheite

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104039660A (zh) * 2011-12-21 2014-09-10 雀巢产品技术援助有限公司 用于容器的具有多层密封盘的封闭盖
CN104039660B (zh) * 2011-12-21 2016-04-13 雀巢产品技术援助有限公司 用于容器的具有多层密封盘的封闭盖

Also Published As

Publication number Publication date
ES2266718T3 (es) 2007-03-01
DE60306104T3 (de) 2009-07-23
ES2266718T5 (es) 2009-05-29
EP1462381B1 (fr) 2006-06-14
EP1462381A1 (fr) 2004-09-29
DE60306104D1 (de) 2006-07-27
DE60306104T2 (de) 2007-02-01
ATE329851T1 (de) 2006-07-15

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