EP1839894A1 - Procédé d'impression par transfert d'image - Google Patents

Procédé d'impression par transfert d'image Download PDF

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Publication number
EP1839894A1
EP1839894A1 EP07005771A EP07005771A EP1839894A1 EP 1839894 A1 EP1839894 A1 EP 1839894A1 EP 07005771 A EP07005771 A EP 07005771A EP 07005771 A EP07005771 A EP 07005771A EP 1839894 A1 EP1839894 A1 EP 1839894A1
Authority
EP
European Patent Office
Prior art keywords
transfer
printing method
printing
film
motif
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.)
Withdrawn
Application number
EP07005771A
Other languages
German (de)
English (en)
Inventor
Thomas Walther
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 AG
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1839894A1 publication Critical patent/EP1839894A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/0256—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet the transferable ink pattern being obtained by means of a computer driven printer, e.g. an ink jet or laser printer, or by electrographic means
    • 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
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning 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

Definitions

  • the invention describes a pictorial transfer printing process for use in sheet-fed rotary printing presses.
  • hot foil stamping As a transfer process in the printing industry, the so-called hot foil stamping has found widespread use.
  • a transfer film is used, which usually has a wax layer as a release layer.
  • the imaging layers usually metallic layers, are then applied to this release layer.
  • a heated embossing stamp the metallic layers are partially transferred from the carrier material to the printing substrate.
  • a printing material and a printing apparatus using this material are described.
  • a sheet-processing printing machine which has a feeder and a boom, wherein printing units and coating units are arranged between the two units.
  • 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 coating unit with a counter-pressure cylinder and a press roller.
  • the cold foil transfer process as described in the patents EP 0 569 520 B1 and WO 2005/100028 is disclosed, is also only conditionally suitable for a transfer of high-quality security elements, since they require complex manufacturing processes that can not be represented with the simple elements of the known cold foil transfer process.
  • holograms can be transferred to substrates using transfer methods, as many applications show.
  • the hot foil stamping method is used for the transfer of such holograms and other expensive security elements.
  • the known cold foil transfer method is a static printing method, that is, the transfer of variable image data is not possible.
  • Variable image data can be, for example, numbering, but also personalized texts or changing images.
  • the object of the invention is to further develop the known methods of cold foil transfer so that the transfer of high layer thicknesses with these methods is possible.
  • the process is developed further, so that security elements, such as holograms, can be transmitted.
  • the transmission of high layer thicknesses in a cold foil transfer process essentially takes place in that the image motif, for example an image, a circuit, an antenna, an alphanumeric text or a haptic Structure, is printed, this external printed motif is guided around the press roller.
  • the transfer of the printed motif takes place after an adhesive application to the printing substrate in a press nip between the press roller and the impression cylinder.
  • the adhesive application to the printing substrate can be carried out by a printing unit or another suitable device, for example a spray nozzle, in front of the press nip between the press roll and the impression cylinder, the adhesive being applied in a planar, partial or motif-related manner.
  • the adhesive to the printing substrate is not applied, as in the aforementioned embodiment, the adhesive to the printing substrate, but the adhesive is applied directly to the transfer belt before passing through the press nip.
  • known devices such as roller units, flexographic printing units, spray nozzles and all suitable devices can be used.
  • the application of the image motif on the transfer belt can be carried out with a flexographic printing unit, in particular a flexographic printing unit with chambered doctor blade and anilox roller, with one or a multiplicity of inkjet devices, with a flat screen printing unit, a rotary screen printing unit or a gravure printing unit.
  • the press roller may be a separate roller which is set against the impression cylinder of a printing machine during the transfer operation or the press roller is a blanket cylinder of a printing unit or a forme cylinder of a coating unit.
  • the printed motif is dried or transferred from the transfer belt to the printing substrate.
  • This has the advantage that the printing layer is not crushed in the press nip between the press roll and impression cylinder.
  • a dry print on the transfer ribbon can be achieved by using a fast-drying paint or coating.
  • a paint or coating could be, for example, a waxy ink or coating, a solvent-containing ink or coating.
  • the print motif may also be replaced by a drying or curing device after application be dried or cured on the transfer belt. Examples of such drying devices would be hot air dryers (convection dryers), infrared dryers, radiation dryers, such as UV or electron beam dryers or microwave dryers.
  • the transfer belt can be rolled up again.
  • the transfer belt is thus consumed used and disposed of after the transfer.
  • the transfer belt can also be used circumferentially, that is, the transfer belt is optionally cleaned after the transfer and newly provided with a motif.
  • it is advantageous to synchronize the transfer belt with the printing press so that the print image printed in the printing machine and the transferred image fit together. Synchronization can be achieved by evaluating one or more measuring marks on the transfer belt with a suitable sensor, for example an optical sensor. Detected deviations can be adjusted and corrected by means of dancer rolls or electric drives. Also, a mechanical synchronization is conceivable by the transfer belt has lateral rows of holes by engaging pins of a synchronization roller.
  • the embodiment of the embodiment according to the invention with a consumable transfer belt is to be explained.
  • the representation of the embodiment according to the invention with a circulating transfer belt has been dispensed with, but it is clear to anyone skilled in the art that in this case the up and unwind stations 8 and 9 are dispensed with and the transfer belt 5 can be operated circumferentially via deflection rollers.
  • the circulating transfer belt has the advantage that the elimination of the film supply roll 8 and the film collection roll 9 makes it easier to integrate a more complex printing unit, such as a flexo or a screen printing unit. As shown in Fig.
  • the transfer belt 5 is unrolled from the film supply roll 8 and then printed with a printing device 27, shown here as an ink jet device. After printing with the printing device 27, the ink or coating applied to the transfer belt is optionally dried or cured by a drying or curing device 28.
  • the position of the transfer belt relative to the cylindrical position of the blanket cylinder 3 is evaluated in this example by one or more sensors 29, which determine the position of the transfer belt 5 from the front or back or both sides based on measuring marks or other characteristic properties.
  • a possible correction of the position of the transfer belt can be carried out by the dancer roller control, wherein the dancer rollers can be introduced at any point in the tape run of the transfer belt.
  • the position can also be synchronized with the roller drive 7.
  • the deflection rollers 14 would also be designed as dancer rollers in order to be able to carry out the corrections as close as possible to the transfer nip 6.
  • the guide rollers 14 would be laterally equipped with thorns, which in lateral rows of holes on the transfer belt 5 intervene. Each roller, which is in contact with the transfer belt 5, can be used in the sense of the invention for synchronization.
  • a transfer belt which consumingly works with a winding and unwinding or circulating, printed with a wax-like ink from a heated printing device.
  • This waxy ink has the advantage that it hardens relatively quickly and therefore can not run.
  • the transfer of the printed image on the transfer belt can then be done by the pressure roller, which operates against the impression cylinder, is heated and the color dissolves.
  • the print motif can be heated on the transfer belt by a heating device. This makes it easy to transfer the print image to the substrate. This solution also allows variable data printing in an excellent manner.
  • the transfer belt is printed with one or more sublimation inks.
  • Sublimation printing processes are printing inks containing one or more dyes, which, with the application of heat and optionally pressure from a solid without a transition into a gaseous Go state and penetrates the gaseous dye or gaseous dyes in the product to be decorated. The gaseous dye or gaseous dyes revert to a solid state in the product or printing substrate to be decorated and remain there.
  • This method is known as sublimation printing or sublimation. Similar methods are also used in the thermal sublimation printing process.
  • the press roll 3 makes contact with the printing substrate and is heated in such a way that the sublimation of the dyes into the printing substrate can take place.
  • the transfer belt 5 may be preheated by a suitable heating or drying device 28 before passing through the transfer nip 6 to a temperature just below the temperature at which the sublimation process begins.
  • the so-called decalcomania method is used.
  • a motif is printed on the transfer belt with a printing ink that can be activated by water or steam.
  • the printed image is moistened before passing through the transfer belt 5 in the transfer nip 6 by a suitable device. This may be a water vapor device, a spray device or a roller mill.
  • the pictorial motif on the transfer belt can not be produced economically and technically in the printing machine.
  • Such holograms go through multi-level, complex manufacturing processes, which are difficult to use in the production environment of a printing press.
  • antennas for RFID (radio frequency identification device) applications can be used.
  • RFID radio frequency identification device
  • Such antennas are today etched in most cases, a process that runs slowly and therefore is not compatible with the high production speeds of modern printing presses.
  • wet-chemical plants are not conceivable for reasons of safety at work in the environment of a printing press.
  • the complete transfer of labels for For example, if these have advanced functionality, it makes perfect sense.
  • Another application example would be the transfer of pre-printed high-opacity layers used in scratch-offs.
  • Printing inks used for this purpose generally contain solvents to a high degree, so that a pressure of such layers would entail high expenses for a solvent disposal, for example a vacuum with afterburning. In such cases, it makes sense to pre-print such layers in specialized printing presses.
  • the film supply roll 8 on the transfer belt contains a pre-printed or prefabricated motif, hologram or label.
  • transfer motif is transferred to the printing substrate with the press roll 3 or a pressure roller 21 in the transfer nip 6.
  • the transfer motif located on the transfer belt may be provided with an adhesive which is activated by pressure and / or heat.
  • the transfer motif may be provided with a glue that is activated by the application of moisture before passing through the transfer nip 6.
  • This application of moisture can be done by a device that directs water vapor onto the transfer belt or by the direct application of water by means of suitable devices, such as roller mechanisms or spray nozzles.
  • any adhesive may be applied to the transfer belt 5 prior to passing the transfer nip 6 by means of such a device.
  • the order of an adhesive can be done by an offset printing unit or a flexographic printing, which is upstream of the transfer nip 6 in the sheet running direction of the printing press.
  • a solution is preferred in which the transfer belt is clocked to transfer the transfer motif to the correct location on the print substrate.
  • these are one or more, independently operable transfer belts, which are arranged side by side in the axial direction of the impression cylinder 4 are, and each cover only a portion of the print width.
EP07005771A 2006-04-01 2007-03-21 Procédé d'impression par transfert d'image Withdrawn EP1839894A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610015257 DE102006015257A1 (de) 2006-04-01 2006-04-01 Bildhaftes Transferdruckverfahren

Publications (1)

Publication Number Publication Date
EP1839894A1 true EP1839894A1 (fr) 2007-10-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07005771A Withdrawn EP1839894A1 (fr) 2006-04-01 2007-03-21 Procédé d'impression par transfert d'image

Country Status (3)

Country Link
EP (1) EP1839894A1 (fr)
JP (1) JP2007276466A (fr)
DE (1) DE102006015257A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114771123A (zh) * 2022-04-13 2022-07-22 广州倾松数码科技有限公司 一种环保预设可刮开冷转印膜的备制方法和应用

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5517474B2 (ja) * 2009-02-25 2014-06-11 三菱重工印刷紙工機械株式会社 印刷装置及び印刷方法並びに枚葉印刷機と輪転印刷機
DE102010028545B4 (de) * 2009-05-26 2014-07-17 manroland sheetfed GmbH Anschlagloser Folientransfer
DE102012218022B4 (de) 2011-10-28 2023-06-15 manroland sheetfed GmbH Betrieb eines Kaltfolienaggregates mit einem Druckwerk
CN104029448B (zh) * 2014-05-30 2016-06-29 浙江永成印务有限公司 玻璃或透明胶片背面转印的转印膜及其生产使用方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0569520B1 (fr) 1991-01-29 1996-01-17 CROS, Jean-Pierre Materiau pour impression et installation d'impression au moyen de ce materiau
EP1457351A1 (fr) * 2003-03-14 2004-09-15 Paxar Americas, Inc. Matériau pour transfert thermique et procédé pour sa fabrication
WO2005100035A2 (fr) * 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de gaufrage
WO2005100028A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de matriçage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0569520B1 (fr) 1991-01-29 1996-01-17 CROS, Jean-Pierre Materiau pour impression et installation d'impression au moyen de ce materiau
EP1457351A1 (fr) * 2003-03-14 2004-09-15 Paxar Americas, Inc. Matériau pour transfert thermique et procédé pour sa fabrication
WO2005100035A2 (fr) * 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de gaufrage
WO2005100028A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de matriçage
DE102005011568A1 (de) * 2004-04-13 2005-11-17 Man Roland Druckmaschinen Ag Produktionsverfahren für eine Prägeeinrichtung in einer Bogendruckmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WALTHER T: "OFFSETDRUCK UND FOLIENTRANSFER IN NUR EINEM DURCHGANG", DEUTSCHER DRUCKER, DEUTSCHER DRUCKER VERLAGSGESELLSCHAFT, OSTFILDERN, DE, vol. 40, no. 15, 29 April 2004 (2004-04-29), pages 42,44, XP001196256, ISSN: 0012-1096 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114771123A (zh) * 2022-04-13 2022-07-22 广州倾松数码科技有限公司 一种环保预设可刮开冷转印膜的备制方法和应用
CN114771123B (zh) * 2022-04-13 2023-10-27 广州倾松数码科技有限公司 一种环保预设可刮开冷转印膜的制备方法

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Publication number Publication date
JP2007276466A (ja) 2007-10-25
DE102006015257A1 (de) 2007-10-04

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