EP1700693A2 - Procédé de gaufrage et dispositif associé pour matériaux d'imprimage aves surface structurée dans une machine à imprimer en feuilles - Google Patents

Procédé de gaufrage et dispositif associé pour matériaux d'imprimage aves surface structurée dans une machine à imprimer en feuilles Download PDF

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Publication number
EP1700693A2
EP1700693A2 EP05020424A EP05020424A EP1700693A2 EP 1700693 A2 EP1700693 A2 EP 1700693A2 EP 05020424 A EP05020424 A EP 05020424A EP 05020424 A EP05020424 A EP 05020424A EP 1700693 A2 EP1700693 A2 EP 1700693A2
Authority
EP
European Patent Office
Prior art keywords
sheet
coating
printing
transfer
press
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Withdrawn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
EP05020424A
Other languages
German (de)
English (en)
Other versions
EP1700693A3 (fr
Inventor
Uwe Püschel
Jürgen Dipl.-Ing. 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 AG
Original Assignee
Manroland AG
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
Priority claimed from DE102005011570A external-priority patent/DE102005011570A1/de
Application filed by Manroland AG, MAN Roland Druckmaschinen AG filed Critical Manroland AG
Publication of EP1700693A2 publication Critical patent/EP1700693A2/fr
Publication of EP1700693A3 publication Critical patent/EP1700693A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • 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

Definitions

  • the invention relates to a method for carrying out in a device for transfer of imaging layers from a carrier film to printed sheet according to the preamble of patent claim 1.
  • a printing material and a printing apparatus using this material are described.
  • a sheet-processing machine which has a feeder and a boom, wherein printing units and a coating module 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 the coating module 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 is given an adhesive pattern.
  • the sheet is passed through the coating module, wherein by means of the pressure roller of the resting on the impression cylinder printed sheet with the film material in combination is brought.
  • the downwardly lying metallic layer enters into a close connection with the areas provided with adhesive on the printed sheet.
  • the metallic layer adheres 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.
  • transfer film is wound up again.
  • the print sheet is laid out in the coated state.
  • the method according to the known prior art can not be used on sensitive substrates, such as a structured or deformable in the surface printing material, since it requires a so-called calendering, which takes place in a workstation after the film application.
  • the object of the invention is therefore to provide a method and an associated device, by means of which the transfer of an imaging layer, e.g. a metallization layer, even on sensitive, such as structured or compressible or deformable in the surface or in combination of these properties present substrates safely, economically and accurately can take place.
  • an imaging layer e.g. a metallization layer
  • a printed sheet made of a structured or compressible or deformable in the surface printing material is optionally coated after a pre-coating by means of a cold foil stamping process.
  • An associated apparatus for coating a structured substrate has a flexible reference to the press roll. This can be designed such that a specific compressibility in terms of uneven or inconsistent surface structure of the structured substrate is given.
  • the device can also be used to coat different types of substrates with uneven surface textures.
  • the device can also be advantageously used in order to improve the use of the film by dividing the transfer film into one or more partial film webs of lesser width.
  • To ensure the efficiency of the coating process can be provided to control the film feed such that the transfer film is then stopped when no transmission of the imaging or metallization takes place.
  • a control of the transfer film can be carried out such that, when passing through a cylinder channel receiving the grippers of the sheet-guiding impression cylinder, the film feed is stopped, wherein the press roll then passes in a sliding manner under the transfer film.
  • the image-forming layer can be applied by means of so-called UV negative-pressure ink.
  • the UV negative pressure ink is applied by means of the printing unit for the adhesive in a corresponding manner via an offset printing plate.
  • the application of different imaging coatings or metallization layers within a subject can take place one after the other.
  • transfer sheets 5 are constructed in multiple layers. They have a carrier layer on which an imaging layer is applied by means of a release layer.
  • the separating layer serves to facilitate lifting of the imaging layer from the carrier layer.
  • the image-forming layer may be, for example, 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 film supply roll 8 is assigned to the coating module 2 on the sheet feed side.
  • 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 5 to the coating module 2 and is therefore controllable.
  • film feed and removal guide devices 14 such as deflection or tensioning rollers, pneumatically actuated conducting means, baffles o. ⁇ . Provided.
  • the guide devices 14 may also contain aids for introducing the transfer film 5. In this case, automatic retraction aids for the film web of the transfer film 5 can be used.
  • the transfer film 5 can be guided around the press roll 3, wherein the transfer film 5 can be fed and discharged in an advantageous manner from one side of the coating module 2 to the press nip 6.
  • the transfer film 5 can also be fed in and out substantially tangentially on the press roll 3 or wrap it around the press nip 6 only in a small circumferential angle.
  • the transfer film 5 is supplied from one side of the coating module 2 and discharged to the opposite side of the coating module 2.
  • a film collection roller 9 On the outlet side of the printing unit, a film collection roller 9 is shown. On the film collecting roll 9, the used film material is wound up again. Again, a rotary drive 7 is provided for the optimized production, which is controllable. In essence, the transfer film 5 could also be moved by the rotary drive 7 on the outlet side and kept taut on the inlet side by means of a brake.
  • the press roll 3 is therefore provided with a press fabric 10 or as a roll with a corresponding coating.
  • the press fabric 10 or press coating can be performed, for example, as a plastic coating, comparable to a blanket or blanket.
  • the surface of the press fabric 10 or press coating is preferably very smooth. It can also be formed from antiadhesive substances or structures. Here, for example, a relatively hard structure in the form of very fine spherical caps comes into question.
  • a Press fabric 10 is held on the press roll 3 in a cylinder channel on jigs.
  • the press fabric 10 may be equipped to improve the transmission properties in the transfer nip 6 with a targeted elasticity. This may optionally act in a compressible intermediate layer. This compressibility is preferably similar or less than in conventional blankets or blankets, which can also be used at this point.
  • the mentioned compressibility can be produced by means of a conventional compressible printing blanket.
  • combined fabrics made of a hard blanket and a soft pad can be used.
  • a limited pressing surface can be provided directly on the press roll 3 or on the press fabric 10. This can be worked out of the surface of the press fabric 10 or it can be additionally attached as a partial surface of the material of the press fabric 10 on the press roller 3.
  • 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 so that as far as possible the transfer film 5 is stopped when no transfer of the imaging layer should take place :
  • a control of the transfer film 5 can be made such that the film feed is stopped when passing through a gripper of the sheet-guiding counter-pressure cylinder 4 receiving cylinder channel.
  • the grippers hold the printed sheet on the impression cylinder 4.
  • the press roll 3 has a corresponding cylinder channel, on, in which the fabric is held. In the region of the corresponding cylinder channels no pressing of the transfer film 5 takes place between the press roll 3 (blanket cylinder) and the impression cylinder 4.
  • the press roll 3 then slidably passes under the transfer film 5, while the transfer film 5 is tensioned freely between the press roll 3 and impression cylinder 4. This state continues until at the so-called pressure beginning of the cylinder channel ends and the transfer sheet 5 is again clamped between the press roller 3 and the impression cylinder 4, including a sheet. Then, the transfer sheet 5 is further transported.
  • the timing of the film feed can according to a necessary acceleration or braking of the film supply roll 8 or film collecting roll 9 start or suspend a little earlier than pretend the channel edges of the cylinder channel.
  • a further improvement of the film utilization of the type described results from the fact that the transfer film 5 is divided into one or more Operafolienbahnen lesser width.
  • the utilization of the transfer film 5 can be improved even in zonally different lengths coating areas within a sheet.
  • each partial film web is conveyed only exactly in the area where the imaging surface layer is to be applied. In the areas not to be coated, each partial film web can be stopped independently of the other partial film webs, whereby no unnecessary film consumption arises.
  • the imagewise applied adhesive layer can be predried by means of a first dryer 16 (intermediate dryer I), so that the wear layer of the transfer film 5 adheres better.
  • the adhesive effect of the applied wear layer on the printed sheet can be improved by the action of a second dryer 16 (intermediate dryer II) by additionally accelerating the drying of the adhesive.
  • the quality of the coating can be controlled by means of an inspection or monitoring device 17 after the foil application.
  • the inspection device 17 is on a sheet-guiding surface of the coating module 2 after the transfer nip 6 and optionally sealed off from the dryer 16 or on a sheet-guiding surface of the coating module. 2 be directed downstream of another bow leading module.
  • the coated sheet passing there can thus be checked for completeness and quality of the coating. As poorly recognized printed sheets can be marked or rejected in a sorter as waste.
  • the subject matter of the invention is a process for coating a transfer film 5 in a transfer nip 6 of a sheet-processing offset printing machine or flexographic printing machine or varnishing machine in conjunction with the processing of a structured printing material.
  • lacquer modules e.g. by means of painting in the printing unit, or printing units the coating module 2 and the applicator 1 for the adhesive be preceded.
  • FIG. 1 Such a module is shown in FIG.
  • the press roller 3 which corresponds to the forme cylinder of a paint module.
  • a device according to Figure 4 come into question.
  • the coating module 2 it is also possible to arrange sheet inspection systems and devices for discharging defective printed sheets (sheet diverter, double delivery).
  • a paint module or an inline coating device can be used for the precoating.
  • FIG. 4 shows a version in which the coating takes place via a forme cylinder 13 in a paint module.
  • adhesive and a pre-coating (primer) and a final coating (gloss, protective, drying coating) can be applied in a very flexible embodiment.
  • no so-called calendering unit with an additional and possibly even increased pressure is required after the coating of a transfer film 5.
  • the offset printing units run after the coating module 2 without Druckan ein the rubber / blanket cylinder or forme cylinder against the impression cylinders 4 or they are as sheet guiding cylinder with the lowest pressure (kiss-print ).
  • the characteristics of a rubber blanket used in the coating module 2 or a press fabric 10 to be used on the press roll 3 are explained below in more detail in accordance with FIG. 3.
  • the press roller 3, like the counter-pressure cylinder 4, has a cylinder channel 19.
  • clamping devices for fixing the press fabric 10 are provided.
  • Such clamping devices are known from plate cylinders or rubber or blanket cylinders, for example, in sheet-fed offset printing machines.
  • the surface of the press fabric 10 forms a press roll surface 20.
  • the press roll surface 20 should be smooth and have the lowest possible adhesion to the transfer film 5 to be processed. This ensures that the layer transfer is optimal even for the smallest details and, on the other hand, the least possible friction between the press roll surface 20 and the transfer film 5 can be effective when the film feed is pulsed.
  • Such fabrics can be tensioned on the press roll 3 in the region within the cylinder channel.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
EP05020424A 2005-03-10 2005-09-20 Procédé de gaufrage et dispositif associé pour matériaux d'imprimage aves surface structurée dans une machine à imprimer en feuilles Withdrawn EP1700693A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005011570A DE102005011570A1 (de) 2004-04-13 2005-03-10 Prägeeinrichtung für Bedruckstoffe mit strukturierter Oberfläche in einer Bogendruckmaschine

Publications (2)

Publication Number Publication Date
EP1700693A2 true EP1700693A2 (fr) 2006-09-13
EP1700693A3 EP1700693A3 (fr) 2010-03-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020424A Withdrawn EP1700693A3 (fr) 2005-03-10 2005-09-20 Procédé de gaufrage et dispositif associé pour matériaux d'imprimage aves surface structurée dans une machine à imprimer en feuilles

Country Status (1)

Country Link
EP (1) EP1700693A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107249890A (zh) * 2015-02-23 2017-10-13 克朗斯股份公司 用于将装饰元素施装到容器上的设备
DE102021132416A1 (de) 2021-12-09 2023-06-15 Leonhard Kurz Stiftung & Co. Kg Multiapplikationsmodul, Multiapplikationsvorrichtung sowie Arbeitsverfahren für eine Multiapplikationsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4110801C1 (fr) 1991-04-04 1992-05-27 Kurt 4040 Neuss De Lappe
EP0569520B1 (fr) 1991-01-29 1996-01-17 CROS, Jean-Pierre Materiau pour impression et installation d'impression au moyen de ce materiau
WO2005100027A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif d'estampage comportant un systeme supplementaire

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288275A (en) * 1979-05-14 1981-09-08 Davis Jesse B Roll leaf coating apparatus
JPS60171159A (ja) * 1984-02-15 1985-09-04 Toppan Printing Co Ltd 転写用ゴムロ−ル
GB9409629D0 (en) * 1994-05-13 1994-07-06 Prittie Allan R Method and apparatus for foil transfer
WO2001026907A1 (fr) * 1999-10-13 2001-04-19 Hatec Produktions- Und Handelsgesellschaft Mbh Support pour dispositif d'impression et fardage destines a l'impression de materiaux a imprimer non planes
DE20006513U1 (de) * 2000-04-08 2000-07-13 Roland Man Druckmasch Bogen-Rotationsdruckmaschine
GB2368313B (en) * 2000-10-28 2004-03-03 Blockfoil Group Ltd Cold foil stamping

Patent Citations (3)

* 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
DE4110801C1 (fr) 1991-04-04 1992-05-27 Kurt 4040 Neuss De Lappe
WO2005100027A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif d'estampage comportant un systeme supplementaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107249890A (zh) * 2015-02-23 2017-10-13 克朗斯股份公司 用于将装饰元素施装到容器上的设备
EP3261843B1 (fr) 2015-02-23 2018-12-26 Krones AG Dispositif pour l'application des éléments décoratifs sur récipients
DE102021132416A1 (de) 2021-12-09 2023-06-15 Leonhard Kurz Stiftung & Co. Kg Multiapplikationsmodul, Multiapplikationsvorrichtung sowie Arbeitsverfahren für eine Multiapplikationsvorrichtung

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Publication number Publication date
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