EP1972443A2 - Dispositif de transmission de couches imagées - Google Patents

Dispositif de transmission de couches imagées Download PDF

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Publication number
EP1972443A2
EP1972443A2 EP20080004444 EP08004444A EP1972443A2 EP 1972443 A2 EP1972443 A2 EP 1972443A2 EP 20080004444 EP20080004444 EP 20080004444 EP 08004444 A EP08004444 A EP 08004444A EP 1972443 A2 EP1972443 A2 EP 1972443A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
coating
sheet
impression cylinder
drum
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Withdrawn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
EP20080004444
Other languages
German (de)
English (en)
Inventor
Ulrich Beitel
Dimitrios Patelas
Bodo Schnick
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
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 Manroland AG filed Critical Manroland AG
Publication of EP1972443A2 publication Critical patent/EP1972443A2/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Withdrawn legal-status Critical Current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
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F16/00—Transfer printing apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/10—Relief printing
    • B41P2200/12—Flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/20—Lithography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/50—Printing presses using a heated printing foil combined with existing presses
    • B41P2219/51—Converting existing presses to foil printing presses

Definitions

  • the invention relates to a device for transmitting image-forming layers according to the preamble of patent claim 1.
  • the WO 2005/100028 A1 shows an apparatus for transfer of imaging layers from a carrier sheet to sheet. It contains an application unit for the adhesive application and a coating unit for transferring the imaging layers.
  • the applicator is a customized for the adhesive job conventional printing a sheetfed offset press with a double-sized impression cylinder, a rubber cylinder and a forme cylinder with a metering.
  • As a coating unit is also a printing unit of a sheetfed offset press is used, on the impression cylinder of the sheet to be coated is performed.
  • a press nip printing nip
  • a transfer cylinder serving as a press roller
  • the simultaneous transfer of a transfer sheet with a sheet through the press nip to the areas of the sheet provided with adhesive in the application unit transfers the image-forming layer from the transfer film to the sheet.
  • the sheet transport from the system to the counter-pressure cylinder of the coating unit and from this to the counter-pressure cylinder of the coating unit is carried out in each case with double-size transfer cylinders (transferters).
  • the device is characterized by large technical, costly machine effort in the form of two offset printing units. There is also additional space required for two large transferters.
  • the device makes it possible to already use the second offset printing unit of a printing machine for a subsequent inking. So you can apply an offset color more with an overall machine of the type according to the invention. Thanks to the single-size design of several drums or cylinders, the device is characterized by a small footprint in terms of machine length. Furthermore, the device is inexpensive to produce thanks to the savings of the offset printing unit and thanks to simply sized components. Also, the device is easily retrofitted in printing presses.
  • the invention will be explained in more detail below using an exemplary embodiment.
  • the single figure shows schematically a device for transferring imaging layers.
  • the device shown in the figure for the transfer of imaging layers on sheet is integrated in a sheet-fed rotary printing machine, with other printing units, a feeder, a boom and possibly a coating unit are not shown.
  • the device has a coating unit 1 and an applicator unit 2 arranged upstream of it.
  • the coating unit 1 is a converted offset printing unit with a double-sized first impression cylinder 3, which cooperates with a blanket cylinder 4 serving as a press roller.
  • a double-sized cylinder in contrast to a single-sized cylinder, a cylinder understood on the circumference of two sheet carrying surfaces are provided with corresponding gripping means, of which two sheets could be alternately transported in succession.
  • the applicator 2 includes a first forme cylinder 5 having a first metering unit 6 arranged thereon and a second impression cylinder 7 interacting with the first forme cylinder 5.
  • the first metering unit 6 has a first chamber doctor blade 8, a first anilox roller 9 and a first collecting trough 10.
  • the first form cylinder 5 has a combination clamping means, so that a rubber blanket 12, a flexographic printing plate 13 or a flexographic printing blanket 14 can be clamped.
  • the second counter-pressure cylinder 7, a feed drum 15 are upstream and downstream of a transfer drum 16 in the sheet running direction. Said cylinders 7, 15, 16 are of a simple size and accordingly provided only with a gripper device.
  • An aligned at a plant 17 provided sheet 18 is guided by means of a pre-gripper 19 to the application drum 15 and passed from this to the second impression cylinder 7.
  • the sheet 18 is provided in Abrollrome with the first form cylinder 5 corresponding to the printed image of the adhesive mold plate 11 with a solvent, oil or water-based adhesive. This is applied from the appropriately filled first chamber doctor blade 8 by means of the first anilox roller 9 on the adhesive mold plate 11. During the further rotation of the second impression cylinder 7, the sheet 18 is transferred to the transfer drum 16 and from there to the first impression cylinder 3.
  • the sheet 18 passes through the press nip (press nip) with the blanket cylinder 4, an image-forming layer is removed from the areas provided with adhesive under pressure by a carrier film 20 guided simultaneously through the printing nip. Subsequently, the sheet 18, not shown, printed in other printing units, painted in a coating unit and designed by a display. Further details of the coating unit 1 are not shown and described, as these familiar to the expert and, for example, in the aforementioned WO 2005/100028 A1 are explained.
  • the application of the adhesive with the flexographic printing technology described herein is a cost effective alternative to the offset process and provides a good quality for the removal of the metallized layer during cold foil transfer in the coating unit 1.
  • the device is good suitable for the transfer of metallised layers, for example in label printing and packaging printing.
  • a dryer 21 is arranged after the outlet gap of the second impression cylinder 7 and the first forme cylinder 5, designed as infrared, (hot) air or UV dryer, depending on the color used.
  • the transfer drum 16 can also be designed as a third impression cylinder 22, which cooperates with a second forme cylinder 23 on which a second metering unit 24 is arranged.
  • To the second metering 24 includes a second chamber doctor blade 25, a second anilox roller 26 and a second drip tray 27.
  • the second forme cylinder 23 has a combination tensioning device with which a flexographic printing plate 28, a flexographic printing blanket 29, a varnish plate 30 or a rubber sheeting 31 can be stretched.
  • the third impression cylinder 22 is either rough chromium-plated or provided with an adhesive-repellent coating so that no adhesive deposits on it when wearing the sheet 18.
  • a cloth washing device 32, 33 is advantageously attached to the third impression cylinder 22 and the second impression cylinder 7 advantageous.
  • a dryer 34 is arranged on it, designed as an infrared, air or UV dryer.
  • the dryer 34 is advantageously designed as a plug-in module, for which in the side wall B, a corresponding opening is provided.
  • guide yokes 35 are arranged on the feed drum 15 and on the second impression cylinder 7.
  • first form cylinder 5 to the second impression cylinder 7 and the second forme cylinder 23 to the third impression cylinder 22, or it is only one of the two forme cylinder 5, 23 employed.
  • the coating on the front and back done in a machine passage so that no transfer to the gripper edge of the sheet beginning opposite the sheet end must be made, which is why no space for the second gripper edge on the sheet 20 is needed.
  • it is also possible to produce a printed product which initially has on its rear side a counterpressure and then by means of the coating unit 1 with an imaging metallic coating. The coated side can then continue to be printed in color.
  • a total of at least three pressure gaps (forme cylinder 5 or 23, impression cylinder 7 or 22, blanket cylinder 4, impression cylinder 3) are provided in the device, in which sheets can be either printed or alternatively coated.
  • the device can be retrofitted by attaching a respective wall piece 36, 37 on side walls A, B.
  • a respective wall piece 36, 37 In the wall pieces 36, 37 are Anightrommel 15 and first form cylinder 5 is supported, wherein they are supported with Justiereuropa H 38 on a strip foundation 39.
  • One or more trusses 40, 41 serve to stiffen.
  • the traverse 41 is with Justier Pav H 38 on the strip foundation 39.
  • the transfer drum 16 impression cylinder 22

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP20080004444 2007-03-22 2008-03-11 Dispositif de transmission de couches imagées Withdrawn EP1972443A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720004213 DE202007004213U1 (de) 2007-03-22 2007-03-22 Vorrichtung zum Übertragen von bildgebenden Schichten

Publications (1)

Publication Number Publication Date
EP1972443A2 true EP1972443A2 (fr) 2008-09-24

Family

ID=38109429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080004444 Withdrawn EP1972443A2 (fr) 2007-03-22 2008-03-11 Dispositif de transmission de couches imagées

Country Status (3)

Country Link
EP (1) EP1972443A2 (fr)
JP (1) JP2008230247A (fr)
DE (1) DE202007004213U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075130A3 (fr) * 2007-12-28 2012-03-14 manroland AG Dispositif de revêtement équipé d'un dispositif d'encrage court

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100028A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de matriçage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6393982B2 (en) * 1996-07-24 2002-05-28 Man Roland Druckmaschinen Ag Multicolor sheet-fed printing press
DE102005011568A1 (de) * 2004-04-13 2005-11-17 Man Roland Druckmaschinen Ag Produktionsverfahren für eine Prägeeinrichtung in einer Bogendruckmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005100028A1 (fr) 2004-04-13 2005-10-27 Man Roland Druckmaschinen Ag Dispositif de matriçage

Also Published As

Publication number Publication date
JP2008230247A (ja) 2008-10-02
DE202007004213U1 (de) 2007-05-24

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