EP0471874A1 - Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression - Google Patents

Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression Download PDF

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Publication number
EP0471874A1
EP0471874A1 EP90116134A EP90116134A EP0471874A1 EP 0471874 A1 EP0471874 A1 EP 0471874A1 EP 90116134 A EP90116134 A EP 90116134A EP 90116134 A EP90116134 A EP 90116134A EP 0471874 A1 EP0471874 A1 EP 0471874A1
Authority
EP
European Patent Office
Prior art keywords
printing
roller
inking unit
quick
bearings
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Withdrawn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
EP90116134A
Other languages
German (de)
English (en)
Inventor
Heinz Keller
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.)
Ferd Rueesch Ag
Original Assignee
Ferd Rueesch 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 Ferd Rueesch Ag filed Critical Ferd Rueesch Ag
Priority to EP90116134A priority Critical patent/EP0471874A1/fr
Publication of EP0471874A1 publication Critical patent/EP0471874A1/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Withdrawn legal-status Critical Current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
    • B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination

Definitions

  • the object of the invention is a printing and inking unit for use in label and packaging printing machines, which, by exchanging individual components and assemblies, allows the printing and inking unit to be quickly adapted to different printing, painting and application processes.
  • a variety of label and packaging printing machines are known which are provided with a plurality of printing and processing units of the same or different printing and processing methods. However, such machines are tied to the printing units once selected and the processes specific to these printing units.
  • the use of different printing processes is determined by a variety of criteria, which are based on the one hand on the pictorial structure of the printing area and the required quality of the print, but on the other hand on the printability of different materials and their properties, e.g. rough and smooth paper, plastic foils etc. result.
  • Other criteria are the image elements such as line, font, solid areas, grid areas, autotypes and, accordingly, the resolution, namely line, point, grid and tonal value, as well as the color coverage criteria determining the layer thickness on smooth or rough surfaces and the color density.
  • the printing processes mainly used in label and packaging printing such as letterpress printing, letterpress printing with a shortened inking unit, flexographic printing and painting and application processes are only incompletely suitable for fulfilling all the demands made. This results from the printing and process properties shown in the attached functional comparisons.
  • the use of various printing processes is also determined by aspects of cost-effectiveness, namely the amount of investment, the running costs such as printing materials, waste, colors, printing forms, energy consumption, operating personnel, space requirements and infrastructure of the respective printing company.
  • Another economic aspect of the selection of the respective printing process is determined by the order structure and the size of the respective printing order and its repeatability, with the changeover times of the printing machine playing an important economic role in the case of small and complex orders.
  • Label and packaging printing machines with combined and combinable printing processes are known. It is still largely assumed that the letterpress process has the greatest suitability and the broadest range of uses for the economical production of quality products with the requirement for the highest print quality, the printing of the finest car types, lines and line / area motifs with high color density, while the flexographic printing process, on the other hand, is particularly suitable for high working speeds, the use of special ink types such as fluorescent and metallized inks and for a wide range of products in the medium quality range.
  • the object of the invention is to find a printing and application unit for use in label and packaging printing presses which, through the rapid exchange of components and assemblies, the use of different printing and processing methods - when using multiple printing units, the sequence of different printing methods is also changed - allowed.
  • the solution to the task consists of a printing and application unit for letterpress printing, letterpress printing with a shortened inking unit, flexographic printing and painting and order printing, which consists of a fixed, removable counter-pressure cylinder, a printing or application cylinder with quick-release fastenings in semi-bearings and the respective printing process , complete with quick-release fastenings in components and assemblies that can be stored in semi-bearings as well as attachable paint trays for low-viscosity paints, varnishes and adhesives etc. or paint boxes for pasty paints.
  • the bearings for the printing cylinder or the application cylinder of the application mechanism are preferably slidably arranged in bearing arms provided with a bearing slot and pivotable to the impression cylinder and the application, metering or anilox roller, in order to be able to use printing cylinders of different diameters for printing different formats.
  • bearings and quick-release fasteners are also advantageous to arrange the bearings and quick-release fasteners in the same opening direction, preferably in the horizontal direction.
  • the book printing unit shown in Fig. 1 consists of a fixed, hard-elastic rubber impression cylinder 1, an impression cylinder 1 and the applicator roller 3 swiveling impression cylinder 2, the forming rollers 4, 5, 6 and 7, 8, an anilox roller 9, an ink fountain 10 and a doctor blade arrangement also designed as an assembly.
  • the book printing unit shown in Fig. 2 with a shortened inking unit consists of a hard, metal-proof impression cylinder 12, a swiveling printing cylinder 13 with a flexo plate and a metering roller 14.
  • the inking unit consists of an ink tray 15, an immersion roller 16, a doctor blade arrangement 17 designed as an assembly and one rubber distributor roller 18, which also performs a dirt trap function by incorporating dust particles into the paint.
  • the flexographic printing unit shown in FIG. 3 consists of a hard metallic impression cylinder 19, a printing cylinder with flexo plate 20, a ceramic or molten anilox roller 21.
  • the inking unit consists of an ink pan 22 with an immersion roller 23 and a doctor blade arrangement 24.
  • the coating and application unit shown in FIG. 4 consists of an impression cylinder 25, an application roller 26 designed specifically for the job as an anilox or film roller, a molten anilox roller 27, an ink tray 28 and an immersion roller 29.
  • smaller printing cylinders can be used for printing shorter formats without the other roller arrangements having to be adapted to this, since the printing cylinder can be fed to the adjacent rollers.
  • the printer is able to carry out any type of label printing job by having a plurality of printing units arranged one above the other, depending on the particular circumstances of the printing job, namely the substrate, the picture elements, the requirements for resolution and the color coverage, also with regard to the adapts appropriate order of the production printing.
  • Instructions for the order-specific processes and the rollers to be used, other arrangements and the colors can be found in the appendices 5 - 7 attached.
  • the printer can also print small orders economically, since it requires short changeover times.
EP90116134A 1990-08-23 1990-08-23 Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression Withdrawn EP0471874A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90116134A EP0471874A1 (fr) 1990-08-23 1990-08-23 Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90116134A EP0471874A1 (fr) 1990-08-23 1990-08-23 Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression

Publications (1)

Publication Number Publication Date
EP0471874A1 true EP0471874A1 (fr) 1992-02-26

Family

ID=8204362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116134A Withdrawn EP0471874A1 (fr) 1990-08-23 1990-08-23 Dispositif d'impression et d'encrage transformable pour plusieurs procédé d'impression

Country Status (1)

Country Link
EP (1) EP0471874A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0737570A2 (fr) * 1995-04-10 1996-10-16 Heidelberger Druckmaschinen Aktiengesellschaft Machine à imprimer comprenant plusieures unités d'impression
EP1184170A2 (fr) * 2000-08-30 2002-03-06 MAN Roland Druckmaschinen AG Dispositif de couchage d'encre d'impression sur un support d'impression
WO2009000499A2 (fr) 2007-06-27 2008-12-31 Hauni Maschinenbau Ag Groupe d'impression d'une machine utilisée dans l'industrie de traitement du tabac
EP2006099A3 (fr) * 2007-06-04 2012-02-29 Gallus Ferd. Rüesch AG Machine d'impression

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221188B1 (de) * 1972-04-29 1973-09-20 Hueck & Co Druckwerk
FR2343599A1 (fr) * 1976-03-10 1977-10-07 Windmoeller & Hoelscher Machine a imprimer permettant de passer de l'impression helio a l'impression flexographique et inversement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2221188B1 (de) * 1972-04-29 1973-09-20 Hueck & Co Druckwerk
FR2343599A1 (fr) * 1976-03-10 1977-10-07 Windmoeller & Hoelscher Machine a imprimer permettant de passer de l'impression helio a l'impression flexographique et inversement

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0737570A2 (fr) * 1995-04-10 1996-10-16 Heidelberger Druckmaschinen Aktiengesellschaft Machine à imprimer comprenant plusieures unités d'impression
EP0737570A3 (fr) * 1995-04-10 1997-03-19 Heidelberger Druckmasch Ag Machine à imprimer comprenant plusieures unités d'impression
US6019046A (en) * 1995-04-10 2000-02-01 Rodi; Anton Printing press with replaceable units allowing for different methods of printing
EP1184170A2 (fr) * 2000-08-30 2002-03-06 MAN Roland Druckmaschinen AG Dispositif de couchage d'encre d'impression sur un support d'impression
EP1184170A3 (fr) * 2000-08-30 2003-01-29 MAN Roland Druckmaschinen AG Dispositif de couchage d'encre d'impression sur un support d'impression
EP2006099A3 (fr) * 2007-06-04 2012-02-29 Gallus Ferd. Rüesch AG Machine d'impression
CN101318398B (zh) * 2007-06-04 2013-04-24 加卢斯费迪南德吕施股份公司 印刷机
WO2009000499A2 (fr) 2007-06-27 2008-12-31 Hauni Maschinenbau Ag Groupe d'impression d'une machine utilisée dans l'industrie de traitement du tabac
EP2178703A2 (fr) 2007-06-27 2010-04-28 Hauni Maschinenbau AG Groupe d'impression d'une machine utilisée dans l'industrie de traitement du tabac

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