EP1221367B2 - Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre - Google Patents

Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre Download PDF

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Publication number
EP1221367B2
EP1221367B2 EP01100301A EP01100301A EP1221367B2 EP 1221367 B2 EP1221367 B2 EP 1221367B2 EP 01100301 A EP01100301 A EP 01100301A EP 01100301 A EP01100301 A EP 01100301A EP 1221367 B2 EP1221367 B2 EP 1221367B2
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing
central
sleeve
central cylinder
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
EP01100301A
Other languages
German (de)
English (en)
Other versions
EP1221367A1 (fr
EP1221367B1 (fr
Inventor
Manfred Terstegen
Wilfried Dr. Kolbe
Klaus Schirrich
Bodo Steinmeier
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.)
Fischer and Krecke GmbH and Co KG
Original Assignee
Fischer and Krecke GmbH and Co KG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8176149&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1221367(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Priority to DE50109336T priority Critical patent/DE50109336D1/de
Priority to EP01100301A priority patent/EP1221367B2/fr
Priority to ES01100301T priority patent/ES2258989T5/es
Priority to JP2001396628A priority patent/JP2002234136A/ja
Priority to US10/038,779 priority patent/US6644188B2/en
Publication of EP1221367A1 publication Critical patent/EP1221367A1/fr
Publication of EP1221367B1 publication Critical patent/EP1221367B1/fr
Publication of EP1221367B2 publication Critical patent/EP1221367B2/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0018—Protection means against injury to the operator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/13—Machines with double or multiple printing units for "flying" printing plates exchange

Definitions

  • the invention relates to a method and a printing machine for changing a printing cylinder sleeve in a printing machine with a central cylinder and engageable with the Monyzlinder inking units, each having a Druckplattenzlinder with a pushed onto a mandrel printing cylinder sleeve, wherein the printing plate cylinder turned off from the central cylinder and the pressure cylinder sleeve after Releasing a bearing is withdrawn axially from the mandrel.
  • EP-A-0 812 681 a flexographic printing machine is described with several arranged on the circumference of a central cylinder inking units, wherein the printing plate cylinder each inking unit has a replaceable held on a frame-fixed dome pressure cylinder sleeve. If the printing cylinder sleeve must be replaced, for example, to convert the machine to another print job, the printing plate cylinder is moved away from the circumference of the central cylinder, and on the operating side of the printing press a bearing of the printing plate cylinder is released and removed, for example, moved to the side, so that axially withdraw the printing cylinder sleeve from the dome. The mandrel is held in the machine frame on the opposite side of the printing press and remains in the machine frame during the entire change process.
  • the printing cylinder sleeve may be a so-called sleeve on which the printing plates or clichés are clamped, or to an intermediate cylinder, which in turn carries on its outer periphery a sleeve with the cliches thereon clamped.
  • the object of the invention is to provide a method with which, at least in some cases, the downtime of the printing press can be shortened during conversion to another print job and a safe replacement of the printing cylinder sleeve is made possible while the printing press.
  • This method always allows a reduction in downtime, when not used in the first print job all the inking units of the printing press. In this case, it is possible to replace the printing cylinder sleeves of the unused inking units before the current print job is completed. Thus, the printing press can be completely or partially retooled before the completion of the current print job for the next to be executed print job, so that the machine downtime significantly reduced.
  • the three inking units which are not needed in the first print job can already be set up for the next print job, so that between the end of the first print job and the beginning of the second print job, no time is needed to replace the printing cylinder sleeve.
  • the printing plate cylinder In most conventional printing presses, the printing plate cylinder, even when it is turned off from the central cylinder, only a relatively small distance from the peripheral surface of the central cylinder. Since the central cylinder rotates at high speed, there could be damage or injury when changing the printing cylinder sleeve with the printing press running when the printing cylinder sleeve or used for their handling aggregates or the hand of the operator who performs the pressure cylinder change, abuts the rotating central cylinder. For this reason, the invention provides that the pressure plate cylinder is turned off so far from the central cylinder, that between the pressure cylinder sleeve and the circumference of the central cylinder remains a sufficient safety distance. If no additional safety measures are taken, this distance should be at least 120 mm. This requires a design of the printing press that allows the printing plate cylinder to move far enough away from the central cylinder.
  • the invention furthermore relates to a printing machine, according to claim 3, in which a contact protection is provided on the circumference of the central cylinder at the end located on the operating side.
  • the contact guard is movably mounted, and it is brought into the operative position only when the printing plate cylinder has moved away from the central cylinder.
  • the contact protection can be designed so that it protrudes in its operative position into the space between the impression cylinder and the central cylinder and thus completely or partially shields the peripheral surface of the rotating central cylinder.
  • printing machine has a machine frame with side parts 10, 12, between which a rotatably driven central cylinder 14 is mounted.
  • a plurality of inking units are arranged, of which only two inking units 16, 18 are shown in the drawing.
  • Each inking unit has an engageable against the central cylinder 14 printing plate cylinder 20 and an engageable against the printing plate cylinder anilox roller 22.
  • the printing material (not shown) is looped over the circumference of the central cylinder 14 so as to pass through the nips which the central cylinder 14 forms with each of the printing plate cylinders 20.
  • the detent roller 22 is inked by means of a chamber doctor blade, not shown, with ink and gives the ink to the stereotypes, which are clamped on the printing plate cylinder 20, so that the running through the nip printing material is printed with the ink.
  • the press If the press is to be converted for another print job, so must be replaced at least the clichés bearing printing plate cylinder 20 of the used inking units. In this case, the diameter of the printing plate cylinder can change, if you want to work in the new job with a different print length. Often, it is also necessary to replace the anilox roller 22 to adjust the ink transfer properties of this anilox roller to the particular job and the ink used.
  • the printing plate cylinder 20 is at least in two parts and comprises a rotatably mounted in the machine frame mandrel 24 and a releasably mounted on the mandrel pressure cylinder sleeve 26 which carries on its outer periphery of the cliché. Accordingly, the anilox roller 22 has a mandrel 28 and a replaceable sleeve 30.
  • the mandrel 24 of the printing plate cylinder 20 of each inking unit is mounted in bearing blocks 30. 32, which are displaceably guided on the side parts 10, 12, so that the printing plate cylinder 20 can be made to the central cylinder 14 and turned off by this again.
  • the guided on this side part 10 bearing block 30 forms a folding bearing, which is detachable from the mandrel 24.
  • the bearing block 32 forms a tilt-stable bearing, with which the mandrel 24 is held like a boom, when the folding bearing has been solved on the operating side and removed.
  • the mandrel 28 of the anilox roller 22 is mounted in a corresponding manner in bearing blocks 36, 38.
  • a contact protection 40 is arranged for each inking unit, which lies in the respective window 34.
  • This contact protection 40 has an end plate 42 which covers the part of the end face of the central cylinder 14 which lies behind the window 34.
  • a right-angled protruding from the end plate 42 shield plate 44 ( FIG. 2 ) is curved so that it follows the peripheral surface of the central cylinder 14 with a small radial distance.
  • a positioning cylinder 46 for example a pneumatic cylinder, is held by means of a base plate 48 on the side part 10 and makes it possible to adjust the contact protection 40 in the direction parallel to the axis of the central cylinder 14. In the in FIG. 2 As shown, the contact guard 40 is retracted into the window 34 so that the shield plate 44 is out of the nip formed between the impression cylinder sleeve 26 and the central cylinder 14.
  • the respective inking unit 16 can be used for printing.
  • the hinged bearings of the bearing blocks 30 and 36 are released, and the bearing blocks 30, 36 are moved to the side.
  • the printing plate cylinder 20 is then cantilever-like with its mandrel 24, cantilevered, held solely by the bearing block 32, and the end face of the pressure cylinder sleeve 26 is freely accessible on the operating side in the window 34th
  • the contact protection 40 in the in FIG. 4 shown extended position in which the end plate 42 lies close to the end face of the central cylinder 14 and the shield plate 44 shields the adjacent to the window 34 peripheral portion of the central cylinder 14.
  • the central cylinder 14 rotates at high speed, the user can safely grasp the space between the center cylinder and the plate cylinder to axially withdraw the cylinder sleeve 26 from the mandrel 24, as in FIG FIG. 4 is shown.
  • a new pressure cylinder sleeve 26 can be pushed back onto the mandrel 24.
  • Austreersystem as shown in the European patent application 99 119 764 is described.
  • the bearing block 30 When the new pressure cylinder sleeve 26 is tightened on the mandrel 24, for example by means of a hydraulic system, the bearing block 30 is returned to the position in which it supports the free end of the mandrel 24 and the folding bearing is closed. The bearing block 30 is then in a position in which it also allows the replacement of the sleeve of the anilox roller 22, if necessary.
  • the conversion of the inking unit 16 to the new print job can thus accomplish before the end of the previous print job, so that can be started without loss of time with the new print job.
  • the contact protection 40 is again in the inoperative position according to Figures 1 and 2 withdrawn, and the printing plate cylinder 20 and the anilox roller 20 are again turned against each other and against the central cylinder 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (6)

  1. Procédé pour changer un manchon (26) du cylindre d'impression d'une machine à imprimer comportant un cylindre central (14) et plusieurs encreurs (17, 18) réglables sur le cylindre central et qui comportent chacun un cylindre à plaque d'impression (20) avec un manchon de cylindre d'impression (26) enfilé sur un mandrin (24), dans lequel le cylindre à plaque d'impression (20) est écarté du cylindre central (14) et le manchon de cylindre d'impression (26) est retiré axialement du mandrin (24) après desserrage d'un palier (30), le changement du manchon de cylindre d'impression (26) s'effectuant pendant le fonctionnement de la machine d'impression, caractérisé en ce que le cylindre à plaque d'impression (20) est écarté du cylindre central (14) de manière qu'il se forme entre le manchon de cylindre d'impression (26) et le cylindre central (14) tournant un interstice qui permet de saisir sans risque le manchon de cylindre d'impression (26), et en ce qu'après que le cylindre à plaque d'impression (20) a été écarté du cylindre central (14), une protection contre un contact (40) est amenée dans une position dans laquelle elle protège une partie, tournée vers le cylindre à plaque d'impression (20), de la surface frontale et de la surface périphérique du cylindre central (14).
  2. Procédé selon la revendication 1, caractérisé en ce que l'écartement entre la surface périphérique du manchon de cylindre d'impression (26) et la surface périphérique du cylindre central (14) est au moins de 120 mm lors du changement du manchon de cylindre d'impression.
  3. Machine à imprimer pour la mise en oeuvre du procédé selon la revendication 1, comportant un cylindre central (14) et plusieurs encreurs (16, 18) pouvant être ajustés sur le cylindre central, qui comportent chacun un cylindre à plaque d'impression (20) avec un manchon de cylindre d'impression (26) enfilé sur un mandrin (24), caractérisée en ce que sur le côté de la machine à imprimer sur lequel le manchon de cylindre d'impression (26) peut être retiré du mandrin (24), est disposée une protection contre un contact (40) qui protège la zone de bordure du cylindre central (14), laquelle est tournée vers le cylindre à plaque d'impression (20), et en ce que, lorsque le cylindre à plaque d'impression (20) est écarté du cylindre central (14), il existe une distance entre la surface périphérique du manchon de cylindre d'impression (26) et la protection contre un contact (40), qui permet de saisir le manchon de cylindre d'impression (26) sur son pourtour et de le retirer du mandrin (24).
  4. Machine à imprimer selon la revendication 3, caractérisée en ce que la protection contre un contact (40) est placée réglable sur le bâti (10) de la machine.
  5. Machine à imprimer selon la revendication 4, caractérisée en ce que la protection contre un contact (40) comporte une plaque de blindage (44) s'étendant approximativement parallèlement à la surface périphérique du cylindre central (14) et peut être amenée, dans la direction parallèle à l'axe de rotation du cylindre central (14), dans une position active dans laquelle la plaque de blindage (44) protège une partie de la surface périphérique du cylindre central (14).
  6. Machine à imprimer selon la revendication 5, caractérisée en ce qu'une partie latérale (10) du bâti de la machine présente une fenêtre (34) à travers laquelle le manchon de cylindre d'impression (26) peut être retiré du mandrin (24), et en ce que la protection contre le contact (44) peut être rentrée dans la fenêtre (34).
EP01100301A 2001-01-04 2001-01-04 Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre Expired - Lifetime EP1221367B2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE50109336T DE50109336D1 (de) 2001-01-04 2001-01-04 Verfahren zum Wechseln einer Druckzylinderhülse und Druckmaschine zur Durchführung des Verfahrens
EP01100301A EP1221367B2 (fr) 2001-01-04 2001-01-04 Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre
ES01100301T ES2258989T5 (es) 2001-01-04 2001-01-04 Procedimiento para cambiar un casquillo de cilindro de impresión y máquina de impresión para la realización de este procedimiento.
JP2001396628A JP2002234136A (ja) 2001-01-04 2001-12-27 印刷用シリンダスリーブの交換方法およびその方法を実行するための印刷機
US10/038,779 US6644188B2 (en) 2001-01-04 2002-01-02 Method of exchanging a printing cylinder sleeve and printing machine for carrying out the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01100301A EP1221367B2 (fr) 2001-01-04 2001-01-04 Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre

Publications (3)

Publication Number Publication Date
EP1221367A1 EP1221367A1 (fr) 2002-07-10
EP1221367B1 EP1221367B1 (fr) 2006-03-29
EP1221367B2 true EP1221367B2 (fr) 2010-09-08

Family

ID=8176149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100301A Expired - Lifetime EP1221367B2 (fr) 2001-01-04 2001-01-04 Procédé pour changer un manchon d'un cylindre d'impression et machine d'impression pour mettre ledit procédé en oeuvre

Country Status (5)

Country Link
US (1) US6644188B2 (fr)
EP (1) EP1221367B2 (fr)
JP (1) JP2002234136A (fr)
DE (1) DE50109336D1 (fr)
ES (1) ES2258989T5 (fr)

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Publication number Priority date Publication date Assignee Title
JP4559015B2 (ja) * 2002-04-08 2010-10-06 株式会社小森コーポレーション 版保持装置
DE10237530A1 (de) * 2002-08-16 2004-02-26 Voith Paper Patent Gmbh Vorrichtung zur Herstellung von Materialbahnen
US7089858B2 (en) * 2003-08-04 2006-08-15 Mitsubishi Heavy Industries, Ltd. Rotary press
ES2242520B1 (es) * 2004-01-14 2007-02-16 Comexi, S.A. Dispositivo automatico de manipulacion y transporte de camisas de impresion.
EP1559546A1 (fr) * 2004-01-28 2005-08-03 RDP Marathon Inc. Unité d'impression convertible entre deux modes d'impression
ITVR20040141A1 (it) * 2004-09-10 2004-12-10 Valentini Maria Grazia Dispositivo di supporto e ritenuta a rilascio per un mozzo di un cilindro per macchina da stampa.
US7681876B2 (en) * 2005-12-05 2010-03-23 Silverbrook Research Pty Ltd Printer having disengageably gear driven media pick-up roller
US7735955B2 (en) 2005-12-05 2010-06-15 Silverbrook Research Pty Ltd Method of assembling printhead capping mechanism
US7758038B2 (en) * 2005-12-05 2010-07-20 Silverbrook Research Pty Ltd Printer having compact media pick-up device
US7270494B2 (en) * 2005-12-05 2007-09-18 Silverbrook Research Pty Ltd Easy assembly printer media transport arrangement
US7632032B2 (en) * 2005-12-05 2009-12-15 Silverbrook Research Pty Ltd Method of assembling printer media transport arrangement
JP5042493B2 (ja) * 2005-12-21 2012-10-03 旭化成イーマテリアルズ株式会社 印刷基材
EP2100732A1 (fr) * 2008-03-13 2009-09-16 Fischer & Krecke GmbH Procédé et outil d'étalonnage pour étalonner une presse d'impression rotative
FR2966379B1 (fr) * 2010-10-25 2013-08-30 Dubuit Mach Machine a imprimer par jets d'encre
ITMI20131003A1 (it) * 2013-06-18 2014-12-19 Nuova Gidue Srl Dispositivo e metodo per la sostituzione dei cilindri di stampa di un gruppo di stampa, particolarmente per macchine flessografiche rotative in linea.
CN106414075B (zh) * 2014-04-29 2018-10-12 博斯特佛罗伦萨有限公司 用于更换印刷机的印刷单元的印刷辊的方法和设备
WO2018184738A1 (fr) 2017-04-07 2018-10-11 Bobst Firenze S.R.L. Groupe d'impression avec manchon d'impression interchangeable

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EP0053791B1 (fr) † 1980-12-04 1984-12-19 Dai Nippon Insatsu Kabushiki Kaisha Cylindre du type à manchon pour l'impression en creux et procédé et dispositif pour son assemblage
DE3500319A1 (de) † 1984-12-04 1986-06-05 Windmöller & Hölscher, 4540 Lengerich Lagerung fuer formatzylinder einer druckmaschine, vorzugsweise flexodruckmaschine, mit austauschbaren huelsenfoermigen formatzylindermaenteln
DE9208023U1 (de) † 1992-06-15 1992-11-26 Windmöller & Hölscher, 4540 Lengerich Farbwerk mit einendig gelagerter Rasterwalze sowie mit einendig gelagerten Formatzylinder
DE4341224A1 (de) † 1993-02-06 1994-08-11 Heinrich Pulm Gmbh Verschlußvorrichtung
EP0737569A1 (fr) † 1995-04-12 1996-10-16 Bielloni Castello S.p.A. Presse à imprimer avec dispositif pour le remplacement rapide d'une chemise de cylindre du dispositif d'encrage
DE19516004A1 (de) † 1995-05-02 1996-11-07 Windmoeller & Hoelscher Druckmaschine
DE19603666A1 (de) † 1996-02-02 1997-08-07 Roland Man Druckmasch Schutzvorrichtung an Druckwerkzylindern
EP0858887A1 (fr) † 1997-02-12 1998-08-19 WindmÀ¶ller & Hölscher Machine à imprimer
EP1025996A1 (fr) † 1999-02-01 2000-08-09 Fischer & Krecke Gmbh & Co. Cylindre porte-cliché

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US5241905A (en) * 1992-10-27 1993-09-07 Heidelberg Harris Inc. Printing unit with releasable bearing clamp
US5370047A (en) * 1993-12-01 1994-12-06 Paper Converting Machine Company Flexographic press adapted for short runs and method
EP0881071A3 (fr) * 1996-06-12 1998-12-09 Fischer & Krecke Gmbh & Co. Machine d'impression
US5692442A (en) * 1997-03-05 1997-12-02 Interflex Llc. Web printing apparatus
IT1299666B1 (it) * 1998-05-05 2000-03-24 Uteco Spa Roto Flexo & Convert Macchina rotativa flessografica a tamburo centrale a piu' colori
US6142073A (en) * 1999-08-20 2000-11-07 Paper Converting Maching Company Method and apparatus for exchanging a roll of a printing press
EP1090754B1 (fr) 1999-10-06 2003-08-06 Fischer & Krecke Gmbh & Co. Dispositif pour échanger un manchon cylindrique à imprimer
DE10008215B4 (de) * 2000-02-23 2013-03-28 Manroland Web Systems Gmbh Druckwerk für eine Rotationsdruckmaschine mit Kreuzschlitten

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0053791B1 (fr) † 1980-12-04 1984-12-19 Dai Nippon Insatsu Kabushiki Kaisha Cylindre du type à manchon pour l'impression en creux et procédé et dispositif pour son assemblage
DE3500319A1 (de) † 1984-12-04 1986-06-05 Windmöller & Hölscher, 4540 Lengerich Lagerung fuer formatzylinder einer druckmaschine, vorzugsweise flexodruckmaschine, mit austauschbaren huelsenfoermigen formatzylindermaenteln
DE9208023U1 (de) † 1992-06-15 1992-11-26 Windmöller & Hölscher, 4540 Lengerich Farbwerk mit einendig gelagerter Rasterwalze sowie mit einendig gelagerten Formatzylinder
DE4341224A1 (de) † 1993-02-06 1994-08-11 Heinrich Pulm Gmbh Verschlußvorrichtung
EP0737569A1 (fr) † 1995-04-12 1996-10-16 Bielloni Castello S.p.A. Presse à imprimer avec dispositif pour le remplacement rapide d'une chemise de cylindre du dispositif d'encrage
DE19516004A1 (de) † 1995-05-02 1996-11-07 Windmoeller & Hoelscher Druckmaschine
DE19603666A1 (de) † 1996-02-02 1997-08-07 Roland Man Druckmasch Schutzvorrichtung an Druckwerkzylindern
EP0858887A1 (fr) † 1997-02-12 1998-08-19 WindmÀ¶ller & Hölscher Machine à imprimer
EP1025996A1 (fr) † 1999-02-01 2000-08-09 Fischer & Krecke Gmbh & Co. Cylindre porte-cliché

Also Published As

Publication number Publication date
EP1221367A1 (fr) 2002-07-10
DE50109336D1 (de) 2006-05-18
JP2002234136A (ja) 2002-08-20
US20020108520A1 (en) 2002-08-15
EP1221367B1 (fr) 2006-03-29
ES2258989T3 (es) 2006-09-16
ES2258989T5 (es) 2011-01-17
US6644188B2 (en) 2003-11-11

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