EP1275520B1 - Procédé de fabrication d'un blanchet d'impression tubulaire flexible en caoutchouc - Google Patents

Procédé de fabrication d'un blanchet d'impression tubulaire flexible en caoutchouc Download PDF

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Publication number
EP1275520B1
EP1275520B1 EP02012452A EP02012452A EP1275520B1 EP 1275520 B1 EP1275520 B1 EP 1275520B1 EP 02012452 A EP02012452 A EP 02012452A EP 02012452 A EP02012452 A EP 02012452A EP 1275520 B1 EP1275520 B1 EP 1275520B1
Authority
EP
European Patent Office
Prior art keywords
rubber blanket
tubular rubber
layer
application layer
flexible
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
EP02012452A
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German (de)
English (en)
Other versions
EP1275520A3 (fr
EP1275520A2 (fr
Inventor
Roland Thomas Palmatier
James Brian Vrotacoe
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.)
Goss International Americas LLC
Original Assignee
Goss International Americas LLC
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
Application filed by Goss International Americas LLC filed Critical Goss International Americas LLC
Publication of EP1275520A2 publication Critical patent/EP1275520A2/fr
Publication of EP1275520A3 publication Critical patent/EP1275520A3/fr
Application granted granted Critical
Publication of EP1275520B1 publication Critical patent/EP1275520B1/fr
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
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/02—Top layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/14—Location or type of the layers in multi-layer blankets or like coverings characterised by macromolecular organic compounds

Definitions

  • the present invention relates to a method for producing a flexible Blanket sleeve according to the preamble of claim 1.
  • the present invention relates to a flexible blanket sleeve according to the The preamble of claim 11.
  • a web-fed rotary offset printing press typically comprises a plate cylinder, a Blanket cylinder and an impression cylinder, each rotatable in the Printing machine are stored.
  • a pressure plate is arranged on whose rigid surface is defined as an image to be printed.
  • the blanket cylinder carries usually a blanket with a printed outer layer, the z. B. made of rubber exists and the pressure plate at one between the plate cylinder and the Blanket cylinder formed transmission gap contacted.
  • One to be printed Material web is through a between the blanket cylinder and the Counter-pressure cylinder formed transmission gap out.
  • On the surface of the on the Plate cylinder arranged pressure plate is applied paint.
  • the plate cylinder takes the Blanket cylinder on a colored image, which he then on between the Blanket cylinder and the impression cylinder formed on the transmission gap Material web transfers.
  • the impression cylinder can be used as another blanket cylinder be formed, which prints the back of the web.
  • a conventional blanket is made as a flexible, flat cloth.
  • One Such blanket is applied to the blanket cylinder by placing it around this is placed around and the opposite ends of the blanket in an axial extending gap or channel of the blanket cylinder can be attached.
  • the Adjacent opposite ends of the blanket define a gap or channel that runs axially across the length of the blanket. This channel is moving with each revolution of the blanket cylinder by between the Blanket cylinder and the plate cylinder formed transmission gap and through the formed between the blanket cylinder and the impression cylinder Transfer nip.
  • a channelless, sleeve-shaped rubber blanket is described, the continuously produced and cut to the desired length.
  • the sleeve and the Printing layer are continuously produced insofar as in the station in which the sleeve is formed, another section of the sleeve is made while in the Print layer generating station the print layer on the already prepared section the sleeve is applied.
  • Tape windings or crosshead extruders are used to apply different layers.
  • Strip casting means that a liquid material through a fixed device on a rotating and translationally moving substrate or by a rotating source a translationally moving substrate is applied. In this way one becomes continuous band of liquid material applied to the substrate.
  • To the Tap casting uses urethane, which solidifies after a period of time.
  • the sleeves described in the mentioned patent applications are stiff, as a rule by using a metal base layer.
  • An object of the present invention is to provide a process for producing a to create flexible blanket sleeve.
  • Another or alternative object of the present invention is to provide a method for To produce a rubber blanket sleeve, which saves space and / or packed transported and / or stored.
  • Another or alternative object of the present invention is to provide a flexible To create blanket.
  • Another or alternative object of the present invention is a blanket to create, which are packed to save space and / or transported and / or stored can.
  • An inventive method for producing a flexible blanket sleeve wherein the blanket sleeve made at least partially on at least one support element which moves the blanket sleeve in an axial direction of production, and wherein Layers of the blanket sleeve successively in the axial direction of production be characterized, characterized in that a flexible coating layer on the at least one carrier element is applied, wherein the application layer is so flexible is that the blanket sleeve is reversibly deformable together with the application layer, or wherein the application layer is so flexible that the application layer of the Rubber blanket removable and the blanket sleeve reversible without the coating layer is deformable, and that at least one polymer layer on the flexible application layer is applied by means of an applicator, is in present claims 1-11 defined.
  • Reversible in this context means that the sleeve from its sleeve or Cylinder shape into a flat shape, a folded or rolled one Form and back in the sleeve or cylindrical shape can be brought. This Operation happens without permanent changes or damage to the sleeve and can be repeated more than once.
  • the flexible sleeve produced according to the invention advantageously allows a better storage and / or transportation of the same.
  • a pressure layer over the flexible Application layer are applied.
  • an applicator for a compressible layer preferably one under the action of radiation curing polymer, in particular a compressible liquid polymer, for.
  • a compressible liquid polymer for.
  • urethane mixed with microspheres, carbon dioxide, a foaming agent or water for.
  • the radiation curable polymer is preferably polyurethane.
  • the radiation is preferably formed as UV light. However, an electron beam can also be used to cure the polymer.
  • the process step of applying the flexible application layer can continue the Applying an easily removable or removable strip material, in particular the Wrapping the strip material around the at least one carrier element.
  • the step of applying the flexible application layer may
  • the sleeve is preferably made of urethane, e.g. from a self-curing or under the action of radiation curing urethane.
  • sleeve material is a Polyurethane layer with a hardness value of at least 70 Shore A and in particular a hardness value of about 70 Shore D preferred.
  • the flexible coating layer can be part of the sleeve and can be made from a prefabricated Consist of tape wrapped around the rotating base.
  • the tape can be as a Polyurethane film with a hardness value of at least 70 Shore A and in particular of about 70 Shore D be formed.
  • the step of applying the flexible application layer may include application an adhesion-reducing or adhesion-preventing material.
  • the flexible application layer may be formed as a release layer, which separates the base from the polymer applied by the applicator.
  • the release layer can z. B. be formed as a Teflon tape, which of the flexible sleeve layer is peeled off.
  • the sleeve can be made in a continuous process, preferably a cutting device is provided, which the sleeve upon reaching a desired length cuts.
  • the compressible layer can be cured as a radiation-curable be formed compressible polymer, e.g. as under the influence of UV light hardening urethane. In this case, curing only takes a few seconds, though It can take up to five minutes.
  • a smoothing step may be provided.
  • the flexible sleeve may be prefabricated and in a separate manufacturing process of the blanket.
  • the blanket can also be in one single continuous operation to be made.
  • the printing layer, the compressible layer and the flexible sleeve are preferably made of urethane. Between the compressible layer and the printing layer Preferably, a reinforcing layer is provided, preferably also made of Urethane is made.
  • the reinforcing layer is preferably made of a urethane having a hardness value of at least 70 Shore A, in particular made of about 70 Shore D.
  • the print layer is preferably made of a urethane having a hardness value of less manufactured as 80 Shore A and in particular of approximately 60 Shore A.
  • Between the printing layer and the inner sleeve is preferably a provided compressible layer, and above the compressible layer and under the printing layer is preferably arranged a reinforcing layer.
  • this can be the include reversible deformation of the blanket sleeve.
  • the process step of reversibly deforming the rubber blanket sleeve may provide that at least two different points of the inner surface of the blanket sleeve each other contact and / or that at least the blanket sleeve folded flat, rolled or being wound.
  • the reversibly deformed sleeve has a smaller volume as the undeformed sleeve, in particular, the cross section of the sleeve be reduced.
  • At least partial packaging of the blanket sleeve for example the packaging in sections, in the reversibly deformed state and / or a Transporting and / or storing the blanket sleeve in the reversibly deformed state be provided.
  • the blanket sleeve can be in a substantially cylindrical shape state be set back and applied to a blanket cylinder.
  • a flexible blanket sleeve according to the invention in particular one according to one of Previously produced blanket sleeve, which has a coating layer and has a polymer layer is characterized in that the application layer so flexible is that the blanket sleeve reversible together with the coating layer deformable, or that the application layer is so flexible that the application layer removable from the blanket sleeve and the blanket sleeve without the coating layer is reversibly deformable.
  • a station 20 for producing a flexible sleeve 18 comprises a rotary and Translational device 22, the z. B. a series of axially translationally moving and includes rotating rods or support elements, as z. B. in the already mentioned U.S. Patent Application Serial No. 09 / 716,696.
  • the station 20 for producing the sleeve comprises a flexible polymer tape 24, z.
  • the over the rods of the rotation and translation device is wound, so that a flexible application layer 25 is formed.
  • an applicator 26 for liquid Material eg. As a spraying device, a polymer applied.
  • the applied polymer is still flowable, in a second region 28 against it already hardened.
  • the polymer may be, for.
  • self-curing polyurethane or a UV-curing polyurethane wherein In this case, the surface of the sleeve 18 is irradiated with UV light.
  • the flexible application layer 25 and the polymer form together the sleeve 18.
  • the coating layer 25 and the polymer have both preferably a hardness of at least 70 Shore A and in particular preferably of about 70 Shore D.
  • the tape 24 need not be wound so that the Touch edges of adjacent tape sections.
  • a small amount of the polymer may be in the spaces 29 flow between two band windings. This is why of Advantage, since a closed winding is more difficult to produce.
  • Fig. 4 shows an alternative embodiment of the station 20 for producing a sleeve.
  • a release band 124, the z. B. has an outer coating of Teflon is on the Outside surface of the rotation and translation device 22 applied.
  • On the The coating layer 125 formed by the Teflon-coated tape is applied by means of a Device 26 for applying liquid material to a polymer, preferably urethane, applied.
  • the polymer is then z. B. by irradiation with UV light cured while it is still on the application layer 125.
  • the cured one Polymer thus forms the sleeve 18.
  • the Stripper 124 at the front end of the station 20 where the device 22 is located be pulled out to produce the sleeve.
  • the application layer 125 may also be replaced by a release agent are formed, for. B. by dried Teflon spray with a thickness of z. For example 0.0025 mm (0.0001 inches). This layer may then form part of the sleeve 18 or initially at the rotation and translation device 22 remain.
  • the coating layer 125 can also be used as a permanent coating of the rotational and Translation device 22 may be formed, for. B. as impregnated with Teflon Nickel coating.
  • a compressible layer 16 is formed on the sleeve 18 applied, the z. B. from a curing under the action of UV light urethane consists.
  • the urethane can z. B. in liquid form by an applicator 30 for liquid polymer materials, for example a spray device, can be applied.
  • the radiation-curing urethane may be applied before application be premixed and then with a foaming agent or z. B. carbon dioxide foamed to increase its compressibility.
  • a smoothing station 32 By means of a smoothing station 32, z. As a squeegee or an emery or Grinder, can create bumps in the applied compressible layer 16 be balanced.
  • the compressible layer 16 is then by means of a radiation source 40, z. B. a UV light source, cured. Depending on the type of polymer to be cured An electron beam or other radiation can also be used.
  • the hardened layer 16 then forms the compressible layer of the blanket 10th
  • a urethane layer 16 contacting further smoothing station 36th be provided, the further inaccuracies, z. B. bumps, in the compressible Layer 16 compensates.
  • the smoothing station 36 may, for. B. as a planer or Grinding device or other type of surface smoothing device be educated.
  • the hardness value of the reinforcing layer is preferably more than 70 Shore A, more preferably about 70 Shore D, similar to the hardness value of the sleeve 18th
  • a second application device 50 for liquid material which is the device 30 is similar, then applies a pressure layer 12 on the compressible layer 16.
  • the urethane that makes up the print layer can have a hardness value of about 60 Shore A have.
  • the applied print layer forms a seamless, after curing, channelless printing layer. If necessary, another smoothing device may be used to compensate for unevenness and unevenness in the print layer.
  • Both the printing layer 12 and the reinforcing layer 14 may, for. B. from under Exposure of radiation-curing polymers, wherein according to the respective Application devices radiation sources can be provided.
  • the printing layer 12 and the reinforcing layer 14 may also be made by tape casting.
  • the blanket moves further into through the Arrow 5 direction indicated until it has a desired length and z. B. by a rotating cutting device, such as a saw, is cut.
  • Fig. 5 shows a cross section of the blanket 10 in the compressed or in the flat Status.
  • the blanket comprises a sleeve 18, a compressible layer 16, a Reinforcing layer 14 and a pressure layer 12th
  • the inner surface 19 of the blanket 10 is collapsible, so that opposite inner surface portions of the inner surface 19 contact. These do not contact each other when the sleeve assumes its round, sleeve-like shape.
  • the sections 160 may be provided with cardboard liners to prevent themselves forming wrinkles in the blanket. By building the sleeve, the blanket can in his return round sleeve shape, if it is z. B. not by an externally acting Force is forced to assume a flat or collapsed shape.
  • the compressible layer 16 may be compressible in any known manner be made, for. B. by microspheres, blowing agents, foaming or by Leaching. Examples of these are in US 5,768,990, US 5,553,541, the US 5,440,981, US 5,429,048, US 5,323,702 and US 5,304,267.
  • printing layer or “printing layer” as used herein refers to on a polymeric material, e.g. As urethane, which is used to transfer an image of a Offset printing plate or another image carrier on a web or a Material sheet is suitable with the quality required for the respective printing application.
  • a polymeric material e.g. As urethane, which is used to transfer an image of a Offset printing plate or another image carrier on a web or a Material sheet is suitable with the quality required for the respective printing application.
  • a blanket according to the invention may also have several compressible ones Layers, multiple layers and / or multiple reinforcing layers include.
  • the reinforcing layer can also be made by adding a fabric or a Plastic is wrapped as a ribbon, cord or thread around the workpiece.

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  • Printing Plates And Materials Therefor (AREA)
  • Laminated Bodies (AREA)

Claims (12)

  1. Procédé de fabrication d'une douille de blanchet flexible (10), dans lequel la douille de blanchet (10) est fabriquée au moins partiellement sur au moins un élément porteur (22) qui déplace la douille de blanchet (10) dans une direction de production axiale et dans lequel des couches de la douille de blanchet (10) sont fabriquées l'une après l'autre dans la direction de production axiale, comprenant les étapes de procédés :
    application d'une couche d'enduction flexible (18, 25, 125) sur ledit au moins un élément porteur (22) ; et
    application d'au moins une couche polymère (12, 14, 16) sur la couche d'enduction flexible (18, 25, 125) au moyen d'un dispositif d'enduction (26, 30, 50),
       caractérisé en ce que :
    la couche d'enduction (18, 25, 125) est si flexible que la douille de blanchet (10) conjointement avec la couche d'enduction (18, 25, 125) peut être déformée avec une telle réversibilité que la douille de blanchet peut être amenée dans une forme plate, pliée ou roulée depuis sa forme de douille et ramenée dans celle-ci, et cette déformation peut se produire sans modifications ni endommagements durables sur la douille de blanchet ; ou
    la couche d'enduction peut être enlevée de la douille de blanchet (10) et la douille de blanchet (10) sans la couche d'enduction (18, 25, 125) peut être déformée avec une telle réversibilité que la douille de blanchet peut être amenée dans une forme plate, pliée ou roulée depuis sa forme de douille et ramenée dans celle-ci, et cette déformation peut se produire sans modifications ni endommagements durables sur la douille de blanchet ; et
    une déformation réversible dans une forme plate, pliée ou roulée de la douille de blanchet (10) a lieu de sorte que la douille de blanchet déformée avec réversibilité a un volume plus petit que la douille de blanchet non déformée.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une couche d'impression est enduite sur la couche d'enduction flexible (18, 25, 125) au moyen d'un dispositif d'enduction (50).
  3. Procédé selon la revendication 2, caractérisé en ce qu'une couche pouvant être comprimée (18) est enduite sur la couche d'enduction flexible (18, 25, 125) et sous la couche de pression (12) au moyen d'un dispositif d'enduction (30).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'étape de procédé de l'application de la couche d'enduction flexible (18, 25, 125) comprend l'application d'un matériau en bande (24, 124) pouvant être enlevé ou retiré de la douille de blanchet, en particulier l'enroulement du matériau en bande (24, 124) autour d'au moins un élément porteur (22).
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'étape de procédé de l'application de la couche d'enduction flexible (18, 25, 125) comprend l'application d'un matériau polymère flexible (24, 124), en particulier du polyuréthane ou en particulier un matériau avec une dureté Shore A de 70.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'étape de procédé de l'application de la couche d'enduction flexible (18, 25, 125) comporte l'application d'un matériau qui réduit ou qui empêche l'adhérence.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la couche d'enduction flexible (18, 25, 125) est enlevée de la douille de blanchet (10) pendant la fabrication.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que la douille de blanchet est déformée avec une telle réversibilité que la section transversale de la douille de blanchet est diminuée.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'étape de procédé de la déformation réversible de la douille de blanchet (10) comporte la mise en contact réciproque d'au moins deux différents points de la surface intérieure (19) de la douille de blanchet (10) et/ou en ce que l'étape de procédé de la déformation réversible de la douille de blanchet (10) comporte le pliage à plat ou l'enroulement de la douille de blanchet (10).
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que, dans l'état déformé avec réversibilité, la douille de blanchet (10) est emballée au moins partiellement, par exemple par tronçons, et/ou en ce que, dans l'état déformé avec réversibilité, la douille de blanchet (10) est transportée et/ou stockée.
  11. Procédé selon l'une des revendications précédentes, caractérisé en ce que la douille de blanchet (10) est remise dans un état de forme sensiblement cylindrique et en ce que la douille de blanchet (10) est emmanchée sur un cylindre de blanchet.
  12. Douille de blanchet flexible, en particulier douille de blanchet flexible (10) fabriquée selon l'une des revendications précédentes, laquelle présente une couche d'enduction flexible (18, 25, 125) et une couche polymère (12, 14, 16), caractérisée en ce que :
    la couche d'enduction (18, 25, 125) est si flexible que la douille de blanchet (10) conjointement avec la couche d'enduction (18, 25, 125) peut être déformée avec une telle réversibilité que la douille de blanchet peut être amenée dans une forme plate, pliée ou roulée depuis sa forme de douille et ramenée dans celle-ci, et cette déformation peut se produire sans modifications ni endommagements durables sur la douille de blanchet ; ou
    la couche d'enduction (18, 25, 125) peut être retirée de la couche polymère (18, 25, 125) et la douille de blanchet sans la couche d'enduction (18, 25, 125) peut être déformée avec une telle réversibilité que la douille de blanchet peut être amenée dans une forme plate, pliée ou roulée depuis sa forme de douille, opération pendant laquelle des tronçons opposés de la surface intérieure se contactent, et ramenée dans sa forme ronde en forme de douille, et cette déformation peut se produire sans modifications ni endommagements durables sur la douille de blanchet.
EP02012452A 2001-06-27 2002-06-11 Procédé de fabrication d'un blanchet d'impression tubulaire flexible en caoutchouc Expired - Lifetime EP1275520B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US892253 2001-06-27
US09/892,253 US6779451B2 (en) 2001-06-27 2001-06-27 Flexible tubular printing blanket

Publications (3)

Publication Number Publication Date
EP1275520A2 EP1275520A2 (fr) 2003-01-15
EP1275520A3 EP1275520A3 (fr) 2003-06-11
EP1275520B1 true EP1275520B1 (fr) 2005-11-09

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EP02012452A Expired - Lifetime EP1275520B1 (fr) 2001-06-27 2002-06-11 Procédé de fabrication d'un blanchet d'impression tubulaire flexible en caoutchouc

Country Status (7)

Country Link
US (1) US6779451B2 (fr)
EP (1) EP1275520B1 (fr)
JP (1) JP2003080865A (fr)
CN (1) CN1393337A (fr)
AT (1) ATE309104T1 (fr)
DE (2) DE10221288A1 (fr)
HK (1) HK1052898A1 (fr)

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US7081331B2 (en) * 2004-11-12 2006-07-25 Ryan Vest Method for thermally processing photosensitive printing sleeves
US20080034998A1 (en) * 2006-08-08 2008-02-14 Byers Joseph L Method of making a printing blanket or sleeve including cast polyurethane layers
US20080070042A1 (en) * 2006-09-20 2008-03-20 Day International, Inc. Printing blanket or sleeve including thermoplastic polyurethane or thermoplastic polyurethane alloy layers
US8409698B2 (en) * 2007-11-30 2013-04-02 Day International, Inc. Image transfer product including a thin printing surface layer
US20090193991A1 (en) * 2008-02-04 2009-08-06 Felice Rossini Blanket sleeve and cylinder and method of making same
US20100307356A1 (en) * 2008-02-04 2010-12-09 Felice Rossini Bridged sleeve/cylinder and method of making same for web offset printing machines
US20100081237A1 (en) * 2008-09-30 2010-04-01 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Integrated Circuit Assemblies and Methods for Encapsulating a Semiconductor Device
DE102010027728A1 (de) * 2010-04-14 2011-10-20 Manroland Ag Walzenaufzug oder Zylinderaufzug einer Druckmaschine
DE102011053747A1 (de) * 2011-09-19 2013-03-21 Contitech Elastomer-Beschichtungen Gmbh Druckform zur Verwendung für den Hochdruck, insbesondere den Flexodruck
JP6177055B2 (ja) * 2012-10-29 2017-08-09 キヤノン株式会社 塗工装置、塗工方法、定着部材の製造装置、定着部材の製造方法

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Publication number Publication date
US6779451B2 (en) 2004-08-24
HK1052898A1 (zh) 2003-10-03
US20030000404A1 (en) 2003-01-02
DE50204832D1 (de) 2005-12-15
CN1393337A (zh) 2003-01-29
DE10221288A1 (de) 2003-01-09
EP1275520A3 (fr) 2003-06-11
ATE309104T1 (de) 2005-11-15
JP2003080865A (ja) 2003-03-19
EP1275520A2 (fr) 2003-01-15

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