EP1846242A1 - Introduction de films pour un dispositif d'estampage - Google Patents

Introduction de films pour un dispositif d'estampage

Info

Publication number
EP1846242A1
EP1846242A1 EP06706457A EP06706457A EP1846242A1 EP 1846242 A1 EP1846242 A1 EP 1846242A1 EP 06706457 A EP06706457 A EP 06706457A EP 06706457 A EP06706457 A EP 06706457A EP 1846242 A1 EP1846242 A1 EP 1846242A1
Authority
EP
European Patent Office
Prior art keywords
film
guide
transfer
sheet
transfer nip
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.)
Granted
Application number
EP06706457A
Other languages
German (de)
English (en)
Other versions
EP1846242B1 (fr
Inventor
Guido Reschke
Jürgen Schölzig
Uwe Püschel
Markus Jung-Diefenbach
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.)
Manroland Sheetfed GmbH
Original Assignee
MAN Roland Druckmaschinen AG
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=36101479&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1846242(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1846242A1 publication Critical patent/EP1846242A1/fr
Application granted granted Critical
Publication of EP1846242B1 publication Critical patent/EP1846242B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/062—Presses of the rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/14—Advancing webs by direct action on web of moving fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • B41P2219/22—Guiding or tensioning the printing foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/50—Printing presses using a heated printing foil combined with existing presses
    • B41P2219/51—Converting existing presses to foil printing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a device for transferring imaging layers from a carrier film to printing sheet according to the preamble of patent claim 1.
  • EP 0 569 520 B1 describes a printing material and a printing device using this material.
  • a sheet-processing machine which has a feeder and a boom, between two units printing units and a coating unit are arranged.
  • an adhesive pattern is applied by means of the planographic printing process. This adhesive pattern is applied in a cold printing process and has a specific imaging subject.
  • a film guide is provided in the printing unit following the coating unit with a counter-pressure cylinder and a press roller.
  • the transfer film has a carrier layer on which imaging layers such as metallic layers, for example of aluminum, can be applied. Between the metallic layer and the carrier film, a separating layer is provided, which ensures that the metallic layer can be removed from the carrier layer.
  • each sheet When transporting sheets through the printing unit, each sheet is provided with an adhesive pattern. Thereafter, the sheet is passed through the loading lamination, wherein by means of the press roller on the impression cylinder resting sheet is brought into contact with the sheet material. In this case, the downwardly lying metallic layer enters into a close connection with the areas provided with adhesive on the printed sheet. To the further transport of the printed sheet adheres to the metallic layer only in the area provided with the adhesive pattern. The carrier film is thus removed from the metallic layer in the region of the adhesive pattern. The used in this way transfer film is wound up again. The print sheet is laid out in the coated state.
  • the object of the invention is therefore to provide a device by means of which the transfer of an imaging layer, e.g. a metallization layer on a sheet can be done safely, economically and accurately, the device should be easy to handle.
  • an imaging layer e.g. a metallization layer on a sheet
  • a feed device is used to guide the transfer film, in which the transfer film is guided during feeding to the transfer nip by a modular control system.
  • An associated device for feeding the transfer film advantageously has a guide device in the manner of a cassette module, by means of which the supply to the transfer nip and the removal from the transfer nip are made possible in a simple manner.
  • the device can also be advantageously used in order to achieve an improvement in film utilization by dividing the transfer film into one or more partial film webs of lesser width.
  • a control of the transfer film can be carried out such that, when passing through a gripper of the sheet-guiding impression cylinder receiving cylinder channel of the film feed is stopped, wherein the press roller then passes under the transfer film sliding.
  • FIG. 1 shows a basic illustration of a printing press with a film transfer device
  • FIG. 2 shows a device for guiding transfer film on a
  • Figure 3 shows a device for feeding transfer film in a detailed representation
  • FIG. 1 shows a sheet-processing machine, here a printing press, which consists of two printing units.
  • the two printing units are used for the following purposes:
  • a printed sheet is first provided with an imaging adhesive pattern (applicator 1 with inking / dampening unit 11, plate cylinder 12 and rubber or blanket printer 13).
  • a transfer sheet 5 is passed through a transfer nip 6 in the following printing together with a sheet, the transfer sheet 5 is pressed in the transfer nip 6 against the sheet (coating unit 2 with press roller 3 and impression cylinder 4).
  • the transfer nip 6 in the coating unit 2 is formed by a press roll 3 and an impression cylinder 4.
  • the press roller 3 can correspond to the blanket cylinder and the impression cylinder 4 to the impression cylinder of an offset printing unit.
  • the press roller 3 can correspond to the forme cylinder and the impression cylinder 4 to the impression cylinder of a paint module of a sheet-fed press.
  • Transfer films 5 have a carrier layer and a release layer to form an imaging layer.
  • the separating layer serves to facilitate lifting of the imaging layer from the carrier layer.
  • the image-forming layer may be a metallized layer or a glossy layer or a texture layer or a colored layer or a layer containing one or more image patterns.
  • the Foieienvorratsrolle 8 is assigned to the coating unit 2 on the side of the sheet feed.
  • the film supply roll 8 has a rotary drive 7.
  • the rotary drive 7 is required for the continuous controlled feeding of the transfer film to the coating unit 2 and is therefore controllable.
  • a deflecting or tensioning roller is provided in the region of the film feed. This will be the film web of the transfer film 5 is always held in the same tension against the press roller 3.
  • a film collecting roller 9 is arranged, is wound on the used sheet material again.
  • a rotary drive 7 is to be provided, which is controllable.
  • the transfer film 5 can also be moved by the rotary drive 7 on the discharge side and kept taut on the inlet side by means of a brake.
  • the surface of the press roll 3 is equipped by means of a compressible, damping element.
  • the press roll 3 can be provided with a press fabric 10, for example, as a plastic coating, comparable to a blanket or blanket.
  • the press fabric 10 is held in a cylinder channel on jigs.
  • the press fabric 10 is provided with a specific elasticity or compressibility that can be produced by means of conventional printing blankets or combined coverings from a printing blanket and a substrate.
  • one or more pressing areas limited to subject areas can be provided directly on the press roll 3 or on the press fabric.
  • a press roll can also take place within the scope of the invention within a single coating module together with a processing unit.
  • a printing unit in this case for example applicator 1 in FIG. 1
  • a separate press roller can be arranged downstream of the printing gap of the adhesive application on the same impression cylinder 4 of this printing unit.
  • an additional device for adhesive application to the impression cylinder 4 can be arranged upstream of the transfer nip 6 on a printing unit (here, for example, coating unit 2 according to FIG. Both embodiments result in a compact design.
  • driers 25 can be applied to the applicator 1 or to the coating. be provided downstream plant 2.
  • driers 25 can be applied to the applicator 1 or to the coating. be provided downstream plant 2.
  • a corresponding adhesive UV dryer in question.
  • the coating unit 2 can be provided downstream of a monitoring system 26 for sheet inspection.
  • a monitoring system 26 for sheet inspection.
  • the film advance of the transfer film 5 from the film supply roll 8 to the transfer nip 6 and the film collection roll 9 is controllable such that the transfer film 5 is stopped as far as possible, if no transfer of the imaging
  • a control of the transfer film 5 can take place in such a way that during the passage of a gripper of the sheet-guiding impression cylinder 4 receiving cylinder channel of the film feed is stopped.
  • the press roller 3 has a Zylinderkahal. In the area of the correlating cylinder channels, there is no pressing of the transfer film 5, so that the press roll 3 can slide through under the transfer film 5, while the transfer film 5 is tensioned freely between the press roll 3 and impression cylinder 4.
  • the transfer film 5 is again clamped between the press roller 3 and the counter-pressure cylinder 4, including a printed sheet, and transported further.
  • the timing of the film feed can be executed in accordance with a necessary acceleration or braking of the film supply roll 8 or film collection roller 9 via so-called dancer rollers 18 or the rotary drives 7 of the film rolls 8, 9.
  • a device for film guidance shown in FIG. 2, is provided on a press roll 3, which is guided essentially tangentially to the press roll 3 by its transfer nip 6 with the impression cylinder 4 of the coating unit 2.
  • These include a corresponding Folienleit- device 20 and a film feeding device 30, which will be described below, and the film web 5 in the transport direction T by the coating plant 3 lead.
  • a film guide 14 which is aligned approximately tangentially between the press roll 3 and the impression cylinder 4 and forms a wrap of the press roll '3 by less than 90 degrees. This achieves a defined contact and guidance of the film web 5 on the press roll 3 and at the same time the necessary conditions for a possible film timing or film discontinuity in the transfer nip 6 during a passage in the transfer gap 6, but also for the use of narrow film webs 5, created.
  • the film guide 14 for a film web 5 or partial film webs 19 includes on the feed side to the transfer nip 6 starting from an inlet opening 16 on a printing unit protection 15 some guide rollers 22. These can be arranged differently depending on the configuration of the printing unit.
  • the film guide 14 may be arranged in accordance with FIG. 2 in conjunction with a Druckzylinderblasvortechnik 36. This has blow holes for the formation of blow jets S, which are used on the one hand to guide a printing material B on the impression cylinder 4 when entering the transfer nip 6.
  • the Druckzylinderblasvortechnik 36 may also be directed to the pneumatic support on the film web 5 in order to spread this wrinkle-free and tight.
  • Part of the film guide 14 may further be a mechanical or pneumatic guide element on the edge of the printing unit protection 15 in the region of the inlet opening 16, which keeps the film web 5 taut and even when entering the coating unit 2.
  • the film guide 14 also passes the film web 5 past a cleaning device 39, which is assigned to the press roller 3.
  • the cleaning device 39 is to remove on the press roller 3 to remove film residue or contamination originating from the film processing.
  • Another part of the film guide 14 includes on the discharge side of the transfer nip 6 starting at an exit opening 17 on a printing unit protection 15 further guide rollers 32, 34. These may in turn be arranged differently depending on the configuration of the printing unit.
  • the film guide 14 is arranged here in conjunction with an inlet protection 33. This serves to secure the transfer gap 6 against unintentional interventions.
  • the film web 5 can be guided around the inlet protection 33 or through openings in its contour.
  • the guide rollers 32, 34 may be arranged in conjunction with the printing unit protection 15, so that they take along the film web 5 during its displacement.
  • the guide roller 34 may be arranged to be adjustable, so that the wrap angle of the film web 5 on the press roller 3 is adjustable.
  • the transfer film 5 can come into contact with the counter-pressure cylinder 4 during a channel pass in the transfer nip 6 with grippers G.
  • the grippers G hold a sheet B at its front edge on the impression cylinder 3 for secure transport through the transfer nip 6 fixed. With their so-called gripper back in the region of the pinching of the edge of the printing sheet B, they project to a slight extent over the circumference of the counter-pressure cylinder 4. Coordination with a channel likewise present on the press roll 3 is selected such that its associated edge comes into contact with the impression cylinder 4 only after the contour of the gripper G has arrived.
  • the grippers G can press into the film web 5 which is not supported there.
  • the gripper G are formed with a projecting in the smallest possible extent over the circumference of the impression cylinder 4 contour.
  • systems of grippers G can be used, the total are permanently or cyclically adjustable radially to the impression cylinder 4, so that the height of the gripper G can be minimized over the cylinder contour.
  • the film guide can furthermore be assisted by providing the cylinder channel of the press roll 3 with a cover for largely cylindrical complementing the surface of the press roll.
  • the film web 5 is indeed brought closer to the impression cylinder 4 in the area of the gripper G, but the film guide is overall more continuous and quiet.
  • the guide of the transfer film 5 can be influenced by a further guide roller 38 (see FIG. 1), which is arranged in the region after the film removal from the film supply roll 8.
  • this guide roll 38 which is adjustable in its axial position relative to the position of the axis of the film supply roll 8, unevenness or irregularities in the film flow from the film supply roll 8 can be compensated for before feeding the film web 5 to the film guide 14.
  • a slide-in cassette 21 is provided with guide elements made of metal and / or plastic (CFK).
  • guide elements by means of integrated first rotating guide rollers 22 are provided.
  • the guide rollers 22 may be made of aluminum or reinforced plastic, such as CFRP, so they are easy to build and thus enter the lowest possible stress in the Foiienbahn 5.
  • the guide rollers 22 may be surface-coated, for example with Teflon or other the adhesion of the transfer film 5-reducing coatings.
  • the guide rollers 22 associated guide plates 23, which may be coated in the same sense, serve the planar guidance of the film web 5.
  • the guide plates 23 preferably form a guide channel 24 and serve both for film guidance (deflection) during the film run and also as an insertion aid when film feed at the beginning of a production process.
  • the drawer cassette 21 may be associated with a printing cylinder blowing apparatus or the drawer cassette 21 may be configured together with the printing cylinder blowing apparatus as a unit. Thus, the drawer cartridge 21 can be used simultaneously for sheet guiding on the impression cylinder 4.
  • the film guiding device 20 can furthermore be supported by means for generating blowing air.
  • it can at the film exit to the transfer nip 6 between the press roller 3 and the impression cylinder 4, a blowing device 16 having one or more bundled or fan-shaped air jets S for sheet guiding below the film web 5 on the substrate, for. on label paper, which can be very thin.
  • the blown air stream from the air jet S also carries and smoothes the film web 5.
  • the combination with a Druckzylinderblasvorraum in question.
  • the blast air is passed through the guide channel 24, it cools the film guiding device 20 or its guide elements so that frictional heat generated by the film transport can be dissipated.
  • the film guiding device 20 can be easily exchanged at the particularly critical deflection or exit positions guide elements, e.g. the guide rollers 22 or the guide plates 23, have, so that in service wear parts are easily replaceable.
  • guide elements e.g. the guide rollers 22 or the guide plates 23, have, so that in service wear parts are easily replaceable.
  • the Folienleit worn 20 may be assigned to a carton guide or integrated with this in a unit to prevent the contact between the film web 5 and substrate (cardboard) before entering the transfer gap 6 between see the press roller 3 and the impression cylinder 4.
  • a baffle 27 can be inserted temporarily to the film feeder.
  • a film deflection is preferably in an existing printing unit protection 15 of the coating unit 2, for example. a protection for an automatic plate feeder, integrated.
  • a guide roller 32 or a coated guide plate 28 or a possibly luftum Spaten deflection is possible.
  • the said printing unit protectors 15 can be moved automatically during operation of a printing unit as a coating unit 2 with film webs 5 in a defined, preselected and lockable opening position, so that an appropriately sized inlet opening 16 and outlet opening 17 is provided for the film web 5.
  • FIGS. 4 and 5 variants for discharging the film web 5 from the coating module 2 are shown.
  • a guide roller 32 is inserted in the lower edge of the printing unit protection 15.
  • the film web 5 can now be guided in a straight line from the transfer nip 6 to the guide roller 32 and be discharged from the outlet opening 17.
  • the guidance of the film web 5 is simple and the printing unit protection 15 only needs to be changed slightly.
  • a pair of guide rollers 32, 34 may be provided. These guide rollers 32, 34 can be arranged on a support 35 arranged on the printing unit protection 15 or arranged independently of the printing unit protection 15.
  • the holder 35 can accordingly be designed to be insertable, displaceable or self-adjustable in the coating module 2 or on the printing unit protection 15.
  • the holder 35 may be arranged so that it is positioned above a run-in protection 33.
  • the run-in protection 33 serves to secure the transfer gap 6 against unintentional interventions.
  • the run-in protection 33 is provided with a passage opening for the Foiienbahn 5.
  • a support plate 29 is provided for the derivation of the film web 5 from the transfer nip 6.
  • the film web 5 can be guided out of the transfer nip 6 via the support plate 29, the guide ropes 34 and the guide roller 32 out of the exit opening 17.
  • the holder 35 with the guide rollers 32, 34 may also be arranged below the inlet protection 33. Then, the film web 5 and waiving the support plate 29 in a straight line of the first guide roller 34 can be supplied via this second guide roller 32 to discharge it via the outlet opening.
  • the holder 35 may be formed so that the position of the guide roller 34 relative to the position of the guide roller 32 is variable. This can be done manually.
  • an actuator can be provided, by means of which the working position of the guide roller 34 can be adjusted by the machine control depending on an operating state or on process-related parameters.
  • the inlet protection 33 can be equipped for receiving guide devices for the film web 5.
  • a guide or drawstring or strip of metal or plastic or foil is attached to the foil leading edge of the unwinding roll.
  • the film web 5 can be pushed or pulled through the film guide 20 within the coating unit 2.
  • the coating unit 2 may also be assigned a partially or fully automated collection device 30, eg by means of a cable pull, chain hoist, belt.
  • a partially or fully automated collection device 30 eg by means of a cable pull, chain hoist, belt.
  • both the entire path of the film web 5 or only the area within the coating plant printing unit of a sheet-fed offset printing machine or paint module in a sheet-fed printing machine.
  • a device as spring band steel for example, between both sides of the machine will be pulled through the coating unit.
  • the press roller 3 and the impression cylinder 4 move automatically in a retraction position or foil tear in a retraction position, ie preferably in a position in which both cylinders 3, 4 are not in synchronous position of their Zyiinderkanä- Ie, as they have disadvantages for the film feedthrough.
  • the lateral surfaces of the cylinders 3, 4 in the transfer nip 6 should rather serve as guide surfaces for the foil passage. In this case, however, the cylinders 3, 4 are switched in a so-called pressure-off position, so that an opened guide gap for the film feed-through remains in the area of the transfer gap 6 by means of a set-up program.
  • the film collecting roller 9 may be associated with a pressure roller 31 (see FIG. 1) with adjustable pressure force and bias as a friction and leadership role.
  • a defined tension film tension
  • a film guide can be provided at the edges of the film web 5 via flanges or suitable guide surfaces, so that no lateral film run can take place from the winding core and thus a film wound roll 9 is wound up.
  • both a film feed and a film guide within a coating unit 2 can be made possible.

Landscapes

  • Rotary Presses (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

L'objectif de l'invention est de faciliter l'introduction de films dans une installation de revêtement permettant le transfert de couches imagées d'un film de transfert (5) sur un textile à imprimer. A cet effet, l'introduction du film est effectuée grâce à une protection et à un intervalle d'impression (6). Puis, un dispositif de guidage (20) pour le film est utilisé dans l'installation de revêtement. L'introduction du film peut être réalisée manuellement ou au moyen d'un dispositif de transport. Le film est dirigé, de préférence, de manière tangentielle sur un rouleau compresseur.
EP06706457.6A 2005-02-04 2006-01-28 Guidage de films pour un dispositif d'estampage Revoked EP1846242B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005005492 2005-02-04
PCT/EP2006/000741 WO2006081992A1 (fr) 2005-02-04 2006-01-28 Introduction de films pour un dispositif d'estampage

Publications (2)

Publication Number Publication Date
EP1846242A1 true EP1846242A1 (fr) 2007-10-24
EP1846242B1 EP1846242B1 (fr) 2013-11-20

Family

ID=36101479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06706457.6A Revoked EP1846242B1 (fr) 2005-02-04 2006-01-28 Guidage de films pour un dispositif d'estampage

Country Status (5)

Country Link
US (1) US20080196662A1 (fr)
EP (1) EP1846242B1 (fr)
JP (1) JP2008532791A (fr)
CN (1) CN101111380B (fr)
WO (1) WO2006081992A1 (fr)

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JP6784104B2 (ja) * 2016-09-06 2020-11-11 コニカミノルタ株式会社 箔押しシステム及び箔押し制御方法並びに箔押し制御プログラム
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WO2021060128A1 (fr) * 2019-09-26 2021-04-01 ブラザー工業株式会社 Dispositif de transfert de feuille
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Also Published As

Publication number Publication date
CN101111380B (zh) 2012-03-07
CN101111380A (zh) 2008-01-23
EP1846242B1 (fr) 2013-11-20
WO2006081992A1 (fr) 2006-08-10
US20080196662A1 (en) 2008-08-21
JP2008532791A (ja) 2008-08-21

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