EP1981655B2 - Systeme de nettoyage pour dispositif de matriçage - Google Patents

Systeme de nettoyage pour dispositif de matriçage Download PDF

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Publication number
EP1981655B2
EP1981655B2 EP06829470.1A EP06829470A EP1981655B2 EP 1981655 B2 EP1981655 B2 EP 1981655B2 EP 06829470 A EP06829470 A EP 06829470A EP 1981655 B2 EP1981655 B2 EP 1981655B2
Authority
EP
European Patent Office
Prior art keywords
cleaning
film
transfer
coating
transfer film
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.)
Not-in-force
Application number
EP06829470.1A
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German (de)
English (en)
Other versions
EP1981655B1 (fr
EP1981655A2 (fr
Inventor
Uwe Püschel
Jürgen Schölzig
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
Manroland Sheetfed 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
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Application filed by Manroland Sheetfed GmbH filed Critical Manroland Sheetfed GmbH
Publication of EP1981655A2 publication Critical patent/EP1981655A2/fr
Publication of EP1981655B1 publication Critical patent/EP1981655B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices

Definitions

  • the invention relates to a method and a device for transferring imaging or covering layers from a carrier film to printed sheets according to the preamble of patent claim 1 and of patent claim 10, respectively.
  • a printing sheet After a printing sheet is provided with a two-dimensional adhesive application or an adhesive pattern, it is passed through the coating unit, wherein by means of the pressure roller, the pressure sheet resting on the impression cylinder is brought into contact with the film material.
  • the down-facing functional layer engages tightly with the adhesive-provided areas on the signature. Thereafter, the functional layer adheres only in the region of the pattern provided with adhesive or even adhesive areas over the entire surface, wherein the carrier film is removed from the functional layer in the region of the adhesive pattern.
  • the print sheet is laid out in the coated state.
  • cleaning devices in printing machines such as impression cylinder washing machines or blanket washing devices. These can be designed as cloth washing devices or brush washing devices, also in combination with extraction systems.
  • Klischeecurisanlagen by spraying and suction comparable to a device according to the DE 195 26 574 A1
  • spray-suction elements in a traversing arrangement are comparable to a device according to the DE 195 20 551 A1 suitable.
  • cleaning devices as pure suction, eg as suction, usable.
  • the object of the invention is therefore to provide a method according to the preamble of claim 1 and an apparatus according to the preamble of claim 10, by means of which a film coating of printed sheets can be simple, safe, economical and accurate, and method and apparatus should be easy to handle and in particular, contamination of the coating area due to film waste or impurities originating from the transfer film should be avoided.
  • an apparatus and a method for cleaning the press roll and the film web, which is contaminated with film waste or linting of the film edges are proposed.
  • the press roller and the guide of the film web are provided with a cleaning system.
  • This can be a known so-called brush washer or a cloth washer or a suction, as they are widely used in printing machines.
  • Klischeemassanlagen which act by means of the action of a spray and an associated suction device. But it can also be provided in a traversing arrangement, the arrangement of a spray-suction element. Finally, a stripping brush can be provided in a rotating arrangement with integrated suction.
  • the cleaning system is operated inline, i.
  • impurities that are continuously accumulated in the press nip are disposed of from the transfer film or film waste.
  • the cleaning can be supplemented by a method and a device which refers to the removal of film residues by means of a suction device on the film web itself.
  • devices can be used which are arranged similar to a vacuum cleaner on the film guide.
  • a combination of film guide and suction device can be used for this purpose.
  • the or a suction device can also be employed as an alternative or in addition to the press cylinder in order to suck off loose particles adhering thereon from the film web.
  • the device can also be used for the printing process, which can be used on the printing unit when the film application is not switched on.
  • a software that is integrated into a control station of the printing press and that generates automated processes can ensure that the required processes are coordinated with one another. The automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.
  • FIG. 1 shows parts of a sheet-fed rotary printing press with two printing units.
  • a printed sheet is first provided with a two-dimensional or imaging adhesive pattern (printing unit as commissioned work 1).
  • the printed sheet is guided together with a transfer film 5 under pressure through a transfer nip 6 (coating unit 2).
  • the applicator 1 may be a per se known offset printing unit with an inking unit 11, a plate cylinder 12 and a blanket cylinder 13.
  • the blanket cylinder 13 cooperates with a counter-pressure cylinder 4.
  • the coating unit 2 can also be formed by an offset printing unit.
  • 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 may correspond to the blanket cylinder.
  • the press roll 3 may also correspond to the forme cylinder of a paint module.
  • a web guide 14 for transfer films is shown within the coating unit 2 used for the film transfer.
  • the transfer film 5 is thereby switched on and executed by protective devices 15 of the coating unit 2.
  • an integrated in the applicator 1 film transfer device may be provided, whereby an integrated film application module is created.
  • a press roll 3 ' is assigned downstream of a printing gap between a blanket or forme cylinder 13 and the impression cylinder 4 on a counter-pressure cylinder 4.
  • the cold foil stamping takes place in a single integrated foil application module FA, as in FIG. 1 indicated.
  • FIG. 1 schematically shown in the order unit 1, can be arranged in an integrated film application module FA and a contractor in a compact design within the coating module.
  • the transfer film would be guided here around the blanket cylinder 13 or approximately tangentially past it through the designated printing nip.
  • Such an adhesive applicator device 1 ' may consist of a compact forme cylinder for supporting a printing form for the adhesive and an applicator of a chamber doctor blade and an anilox roller for supplying the adhesive.
  • the adhesive application is first carried out on the printing substrate and the film application is carried out immediately thereafter.
  • the film supply roll 8 is assigned to the coating unit 2 on the sheet feed side.
  • the film supply roll 8 has a rotary drive 7 for the continuous controlled feeding of the transfer film to the coating unit 2.
  • a film feed deflection or tension rollers for guiding the transfer film 5 may be provided in a substantially constant tension against the press roller 3.
  • a film collecting roller 9 is provided for the used sheet material.
  • a rotary drive 7 on the film collecting roller 9 is always advantageous. It can even be provided that the transfer film 5 is conveyed on the outlet side by means of the rotary drive 7 and held taut on the inlet side by means of a brake.
  • the press roll 3 (as a blanket cylinder or forme cylinder or separate press roll) carries on its surface a compressible or damping, e.g. also provided with a compressible intermediate layer element.
  • the press roll 3 can be provided with a press fabric 10, for example as a plastic cover, comparable to a blanket or blanket, which is held in a cylinder channel on clamping devices.
  • the associated device preferably includes a corresponding feed control for the transfer sheet 5, which ensures that at least the lying in the region of the press roller 3 and the impression cylinder 4 part of the film web is stationary as long as the cylinder channel passes.
  • a further improvement of the film utilization of the type described results when the transfer film 5 is divided into one or more Operafolienbahnen lesser width. This can, with appropriate control by means of the device or facilities to the timing of the film feed each of the partial film webs, the utilization of the transfer film 5 are improved even in zonally different lengths coating areas within a sheet.
  • dryer 16 can be provided in the film application module thus formed from the applicator 1 and the coating unit 2, by means of which the adhesive application or the entire film coating can be dried.
  • the adhesive application or the entire film coating can be dried.
  • UV dryer for example UV dryer in question.
  • the film application module may include a monitoring device 17 for scanning the sheet surface.
  • the monitoring device 17 enables the evaluation of image contents of the coating and the detection of defects in the film coating.
  • Such a monitoring device can also be provided in conjunction with the printing press, in which the film application module is integrated. Then it can be arranged for example in the sheet delivery of the printing press or a last printing unit.
  • an apparatus and a method for cleaning the press roller 3, which is contaminated with film waste or linting of the film edges are used.
  • the impurities occur as mica, mica dust, e.g. on the cutting edge of the film web 5.
  • Mica preferably lays down in the area of the format edges of the film web 5 on the surface of the press roll 3, 3 'and accumulates there cumulatively.
  • the press roller 3 is provided with a cleaning device R. This may be a known so-called brush washer or a cloth washing system, as they are widely used in printing machines. These systems can also be combined with suction devices
  • cleaning means R of the press roll 3 may alternatively be arranged in the sheet transport direction on the front or rear side of the circumference of the press roll 3. Furthermore, a cleaning device R 'can be arranged on the pressure roller 3'.
  • the cleaning devices R, R ' are arranged on the circumference of the press roll 3 and the pressure roller 3 and arranged ab nieth.
  • holders and motion drives of known type are arranged in the coating unit 2 or foil application module FA.
  • a cleaning device R or R ' is preferably operated inline. This means that the cleaning devices R or R 'disposed of during the coating process by means of the coating unit 2 and the film application module FA continuously in the press nip 6 impurities or film waste from the transfer film.
  • at least one cleaning device R or R ' is permanently attached to a region of the press roll 3 or the pressure roll 3' free of the transfer film 5.
  • Klischeemakers are known from the application in flexographic printing machines and act by means of the action of a directed onto the surface to be cleaned spray jet and the flushed impurities receiving suction device.
  • Both devices can also be used during the coating operation on the press roll 3, 3 '. In this way, the press roller 3, 3 'constantly be kept free of impurities.
  • cleaning devices which have only one suction device, such as e.g. a suction bar.
  • a stripping brush can be provided in a rotating arrangement with an integrated device in the stripping brush for the extraction of the stripped contaminants.
  • the cleaning device R can also be used for the conventional printing process, if this is used in unused film coating on the printing unit. Then, the cleaning device R can be used to the blanket cylinder or the impression cylinder 4 for cleaning the surface of color contamination.
  • a coupled to the machine control of the printing press and automated software ensure that a corresponding mutual coordination of the required processes of coating and cleaning takes place on each other.
  • the automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.
  • controller can ensure that the cleaning of aggregates involved in the coating process is coordinated with one another.
  • cleaning equipment in connection with film transfer applications is not limited to the examples described. Rather, it can also be applied to other areas of the guidance of the film web. This is possible, for example, in the area of guide elements or film rolls or web drives or dancer roll.
  • cleaning devices in the form can also be arranged directly in connection with a guide device of the film web of the transfer film 5.
  • cleaning devices can be arranged both on one side and on both sides of the film web.
  • the cleaning devices can also be assigned to the edges of the film web, since there the dirt particles or mica particles from the film cut preferably occur.
  • cleaning devices may be arranged on the film web both in the region of the feed of the transfer film 5 to the transfer nip 6 and in the region of the discharge of the transfer film 5 from the transfer nip 6. This ensures that particles which are first in the transfer nip, e.g. be released by the transfer process and dragged along by the film web, also be safely removed and so can not pollute the printing press.
  • the cleaning devices on the film web are preferably designed as suction devices.
  • suction devices can be designed in the manner of so-called vacuum cleaners, as known from the field of sheet guides on sheet-fed presses.
  • the cleaning devices R, R ' are also designed as combined devices for cleaning the press rolls 3, 3' and the film webs 5, 5 'guided accordingly.
  • a suction device is particularly suitable which is equipped with corresponding action surfaces in the direction of the various elements involved in the transfer process.
  • the cleaning devices R, R ' can for the combined use of the press roll 3, 3' and the film web of the transfer film 5, 5 'also partially mechanically acting elements, such as brushes, and in addition pneumatically acting elements, such as suction slots have.
  • the pneumatically acting cleaning elements can be carried out on the mechanically acting cleaning device R, R 'retrofitted.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (19)

  1. Procédé de transfert de couches génératrices d'images ou couvrantes d'un film de transfert (5, 5') depuis un film support sur des feuilles d'impression dans une machine de traitement de feuilles, en particulier une machine d'impression rotative de feuilles, comportant au moins un groupe d'application (1) pour un revêtement graphique ou superficiel d'une feuille d'impression avec une colle, et au moins un groupe de revêtement (2) pour le transfert de couches génératrices d'images ou couvrantes depuis le film support sur la feuille d'impression, un intervalle de transfert (6) étant constitué dans un groupe de revêtement (2) et le film support étant posé le long de la surface d'un rouleau compresseur (3, 3') et posé par sa face revêtue sur une feuille d'impression et pouvant être guidé sous pression en commun avec celle-ci à travers l'intervalle de transfert (6, 6'), de sorte que les couches génératrices d'images ou couvrantes soient transférées de manière à adhérer dans des zones pourvues de colle du film support sur les feuilles d'impression,
    caractérisé en ce
    - qu'au moins un dispositif de nettoyage (R, R') est approché une position exempte de film de transfert (5, 5') dans le sens de rotation en amont ou en aval de l'intervalle de transfert (6, 6') vers le rouleau compresseur (3, 3'),
    - et que le dispositif de nettoyage (R, R'), pendant la rotation du rouleau compresseur (3, 3'), fonctionne dans un mode nettoyant la surface du rouleau compresseur (3, 3')
    et/ou
    - qu'au moins un dispositif de nettoyage (R, R') est approché au niveau d'un guide d'une bande de film du film de transfert (5, 5') dans une zone située dans le sens de circulation en amont et/ou en aval de l'intervalle de transfert (6, 6') vers le film de transfert (5, 5')
    - et que le dispositif de nettoyage (R, R'), pendant le transport de la bande de film du film de transfert (5), fonctionne dans un mode nettoyant la surface ou les surfaces et/ou les zones périphériques de la bande de film du film de transfert (5, 5'),
    le dispositif de nettoyage (R, R') étant amené, pendant une opération de revêtement de feuilles d'impression par application d'un revêtement en film d'un film support (5, 5') dans un intervalle de transfert (6, 6'), dans un mode nettoyant la surface, en liaison avec le rouleau compresseur (3, 3') limitant l'intervalle de transfert (6, 6') et/ou, dans un mode nettoyant la surface, avec la bande de film du film de transfert (5, 5').
  2. Procédé selon la revendication 1, caractérisé en ce que le nettoyage se fait à l'aide d'une brosse.
  3. Procédé selon la revendication 1, caractérisé en ce que le nettoyage se fait à l'aide d'une lavette.
  4. Procédé selon la revendication 1, caractérisé en ce que le nettoyage se fait à l'aide d'un dispositif de pulvérisation et d'aspiration de détergents.
  5. Procédé selon les revendications 1 à 4, caractérisé en ce que le nettoyage se fait en ajoutant des produits de lavage.
  6. Procédé selon les revendications 1 à 5, caractérisé en ce que le nettoyage se fait en aspirant les impuretés.
  7. Procédé selon les revendications 1 à 6, caractérisé en ce que le nettoyage se fait cycliquement lorsque les unités d'impression directement voisines de l'unité de revêtement (2) ou du module d'application de film (FA) sont également nettoyées.
  8. Procédé selon les revendications 1 à 7, caractérisé en ce que le nettoyage se fait cycliquement lorsque des cycles de consommation ou chronologiques prescriptibles en fonction du processus de revêtement des feuilles sont suivis.
  9. Procédé selon la revendication 8, caractérisé en ce que le nettoyage du rouleau compresseur (3, 3') se fait en liaison avec un nettoyage effectué dans l'unité d'application (1), des dispositifs d'élimination de produits de revêtement issus d'une unité d'encrage et/ou d'un cylindre porte-blanchet et/ou d'un cylindre de contre-pression (4) étant utilisés dans l'unité d'application (1).
  10. Dispositif de transfert de couches génératrices d'images ou couvrantes d'un film de transfert (5, 5') depuis un film de transfert sur des feuilles d'impression, comportant au moins un groupe d'application (1) pour le revêtement graphique ou superficiel de feuilles d'impression avec une colle, et au moins un groupe de revêtement (2) pour le transfert de couches génératrices d'images et/ou couvrantes du film de transfert (5, 5') sur les feuilles d'impression, chaque groupe de revêtement (2) présentant un intervalle de transfert (6, 6') dans lequel le film de transfert (5, 5'), au moins tangentiellement à un rouleau compresseur (3), est posé par sa face revêtue sur la feuille d'impression en étant guidé sous pression, de sorte que la couche génératrice d'images ou couvrante est transférée au niveau des zones pourvues de colle de manière à adhérer sur la feuille d'impression depuis le film de transfert (5, 5') sur les feuilles d'impression,
    caractérisé en ce que,
    dans une machine d'impression, dans le groupe de revêtement (2), au moins un dispositif de nettoyage (R, R') est associé à un rouleau compresseur (3, 3') au niveau d'une position exempte de film de transfert (5, 5') dans le sens de rotation en amont ou en aval de l'intervalle de transfert (6, 6') vers le rouleau compresseur (3, 3')
    et/ou à un guide de la bande de film du film de transfert (5, 5') au niveau d'un guide de la bande de film du film de transfert (5, 5') dans le sens de circulation en amont et/ou en aval de l'intervalle de transfert (6, 6')
    et peut être mis en liaison fonctionnelle avec le rouleau compresseur (3, 3') et avec le film de transfert (5, 5') ou avec le film de transfert (5, 5').
  11. Dispositif selon la revendication 10, caractérisé en ce que le dispositif de nettoyage (R, R') est un dispositif de lavage à la brosse qui peut facultativement être associé à un dispositif d'aspiration.
  12. Dispositif selon la revendication 10, caractérisé en ce que le dispositif de nettoyage (R, R') est un dispositif de lavage à lavette.
  13. Dispositif selon la revendication 10, caractérisé en ce que le dispositif de nettoyage (R, R') est un dispositif de lavage de clichés qui agit par pulvérisation de détergents est aspiration des impuretés sur la surface à nettoyer.
  14. Dispositif selon la revendication 13, caractérisé en ce que le dispositif de nettoyage (R, R') est réalisé sous forme d'une unité de lavage traversant toute la longueur du rouleau compresseur (3, 3').
  15. Dispositif selon les revendications 10 à 14, caractérisé en ce que le dispositif de nettoyage (R, R') est réalisé en soi sous forme de dispositifs d'aspiration d'impuretés ou qu'au dispositif de lavage (R, R') est associé au moins un dispositif d'aspiration d'impuretés.
  16. Dispositif selon les revendications 10 à 15, caractérisé en ce qu'un autre dispositif de nettoyage (R") est associé à un cylindre de contre-pression (4) coopérant avec le rouleau compresseur (3, 3').
  17. Dispositif selon les revendications 10 à 16, caractérisé en ce qu'il est prévu au niveau de la machine d'impression de feuilles un dispositif de commande au moyen duquel le dispositif de nettoyage (R, R', R'') peut être commandé, le fonctionnement du dispositif de nettoyage (R, R', R") pouvant être lancé pendant l'opération de revêtement permettant d'obtenir le film de revêtement ou en dehors de l'opération de revêtement permettant d'obtenir le film de revêtement.
  18. Dispositif selon la revendication 17, caractérisé en ce que la commande est prévue de manière à ce que le nettoyage ait lieu cycliquement en fonction de cycles de consommation ou chronologiques prescriptibles selon le processus de revêtement par du film.
  19. Dispositif selon la revendication 17, caractérisé en ce que la commande est prévue de manière à ce que le nettoyage du rouleau compresseur (3, 3') soit contrôlable en liaison avec un nettoyage dans l'unité d'application (1), étant prévu dans l'unité d'application (1) des dispositifs connus en eux-mêmes d'élimination de produits de revêtement issus d'une unité d'encrage et/ou d'un cylindre porte-blanchet et/ou d'un cylindre de contre-pression (4).
EP06829470.1A 2005-12-27 2006-12-09 Systeme de nettoyage pour dispositif de matriçage Not-in-force EP1981655B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005062495 2005-12-27
DE102006056897A DE102006056897A1 (de) 2005-12-27 2006-12-02 Reinigungseinrichtung an einer Prägevorrichtung
PCT/EP2006/011878 WO2007073852A2 (fr) 2005-12-27 2006-12-09 Systeme de nettoyage pour dispositif de matriçage

Publications (3)

Publication Number Publication Date
EP1981655A2 EP1981655A2 (fr) 2008-10-22
EP1981655B1 EP1981655B1 (fr) 2013-07-24
EP1981655B2 true EP1981655B2 (fr) 2017-12-13

Family

ID=38109028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829470.1A Not-in-force EP1981655B2 (fr) 2005-12-27 2006-12-09 Systeme de nettoyage pour dispositif de matriçage

Country Status (5)

Country Link
EP (1) EP1981655B2 (fr)
JP (1) JP2009521349A (fr)
CN (1) CN101346192B (fr)
DE (1) DE102006056897A1 (fr)
WO (1) WO2007073852A2 (fr)

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DE102007031059B4 (de) * 2007-07-04 2016-10-13 manroland sheetfed GmbH Verfahren zur flächigen Kaschierung oder Laminierung von Druckbogen
KR100990738B1 (ko) * 2008-08-14 2010-10-29 서판수 전이형 인쇄 방법과 장치 및 이에 의해 제조된 피인쇄물
DE102009015483B4 (de) * 2009-03-28 2014-09-11 Richard Munz Reinigungsgerät
US8590449B2 (en) * 2009-06-11 2013-11-26 Ronald G. Egan Dry flexographic printing plate cleaner system and method
DE202009016310U1 (de) * 2009-12-02 2010-06-02 Vollherbstdruck Gmbh Vorrichtung zum Entfernen von von einem Bedruckstoff nach einem Foliendruck abstehenden Folienteilen
JP7396085B2 (ja) * 2020-02-06 2023-12-12 コニカミノルタ株式会社 クリーニング装置
CN115352179B (zh) * 2022-08-17 2024-03-19 浙江创丰环保科技有限公司 一种连续高效彩钢板转印设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0747219A2 (fr) † 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Dispositif pour nettoyer un cylindre d'une machine à imprimer
DE102005011696A1 (de) † 2004-04-13 2005-11-24 Man Roland Druckmaschinen Ag Prägeeinrichtung mit Folienbehandlung in einer Bogendruckmaschine

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DE102006056897A1 (de) 2007-06-28
EP1981655B1 (fr) 2013-07-24
JP2009521349A (ja) 2009-06-04
WO2007073852A2 (fr) 2007-07-05
CN101346192A (zh) 2009-01-14
CN101346192B (zh) 2012-09-05
EP1981655A2 (fr) 2008-10-22
WO2007073852A3 (fr) 2007-08-16

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