EP0103680A2 - Cylindre d'impression - Google Patents

Cylindre d'impression Download PDF

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Publication number
EP0103680A2
EP0103680A2 EP83105952A EP83105952A EP0103680A2 EP 0103680 A2 EP0103680 A2 EP 0103680A2 EP 83105952 A EP83105952 A EP 83105952A EP 83105952 A EP83105952 A EP 83105952A EP 0103680 A2 EP0103680 A2 EP 0103680A2
Authority
EP
European Patent Office
Prior art keywords
tube
engraving
cylinder core
hardness
roller according
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Withdrawn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
EP83105952A
Other languages
German (de)
English (en)
Other versions
EP0103680A3 (fr
Inventor
Herbert Marz
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.)
Reprodec-Gravuren GmbH
Original Assignee
Reprodec-Gravuren GmbH
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 Reprodec-Gravuren GmbH filed Critical Reprodec-Gravuren GmbH
Publication of EP0103680A2 publication Critical patent/EP0103680A2/fr
Publication of EP0103680A3 publication Critical patent/EP0103680A3/fr
Withdrawn legal-status Critical Current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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/16—Curved printing plates, especially cylinders
    • B41N1/20—Curved printing plates, especially cylinders made of metal or similar inorganic compounds, e.g. plasma coated ceramics, carbides

Definitions

  • the invention relates to a printing roller, in particular an intaglio roller with, a cylinder core and an associated tube as a support for an image to be printed or the like.
  • the object of the present invention is to provide a pressure roller of the type mentioned in the introduction, in which at least the galvanizing process is avoided.
  • the tube consists of mechanically engravable material with a hardness between 95 HV and 200 HV.
  • this printing roller according to the invention it is only necessary to engrave the image to be printed or the like, so that an elaborate electroplating bath u. The like. are not necessary, since a surface free of copper layers is present.
  • the tube consists of a material with a hardness of approximately 170 HV, preferably made of brass with the trade name RMS 60 PB CuZN 38 PB 1. It has been found in tests that material with this hardness or made of brass can be engraved very well, especially with a diamond. At the same time, a long service life is achieved with this material or this degree of hardness, since this largely avoids material displacement during printing.
  • the cylinder core and the tube are expediently connected to one another by hot drawing and / or by means of adhesive. This results in a stable connection in a simple manner.
  • the invention also relates to a method for producing an intaglio printing roller and according to the invention is particularly characterized in that the engraving is carried out by a particularly electronically controlled engraving device with a diamond stylus in a variable screen process.
  • a particularly electronically controlled engraving device with a diamond stylus in a variable screen process.
  • a rotogravure roller 1 (FIG. 1) has a cylinder core 2 and a tube 3 applied thereon.
  • the connection between the cylinder core 2 and the tube 3 can be made, for example, by hot drawing. In this case, it is expedient to design the tube 3 comparatively thin-walled.
  • the tube 3 is preferably made of brass which can be engraved by machine, its hardness preferably being 170 HV. With this hardness, problem-free engraving is still possible on the one hand, and on the other hand, with this hardness, the gravure roller also has a long service life.
  • an engraving device 4 is provided which has a diamond stylus 5.
  • the engraving device 4 has an electronic control, by means of which even more complicated engraving patterns can be carried out.
  • the engraving device could also have a memory for different engraving patterns, so that a changeover can be carried out very easily. It is preferred to engrave with the engraving device, the screen fineness being able to be varied depending on the requirements.
  • Fig. 2 shows a slightly modified rotogravure roller 1 a, in which the cylinder core 2 is variable in its outer diameter, so that a loosening or fixing one located thereon in a simple manner Tube 3 a is possible.
  • the outer tube 3 a has a higher dimensional stability, which can be achieved for example by a slightly larger thickness.
  • FIG. 2 shows the cylinder core in its smallest diameter state for clarification, this being shown somewhat more strongly here.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
EP83105952A 1982-08-25 1983-06-18 Cylindre d'impression Withdrawn EP0103680A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3231490 1982-08-25
DE19823231490 DE3231490C1 (de) 1982-08-25 1982-08-25 Druckwalze und Verfahren zur Herstellung einer Tiefdruckform

Publications (2)

Publication Number Publication Date
EP0103680A2 true EP0103680A2 (fr) 1984-03-28
EP0103680A3 EP0103680A3 (fr) 1984-08-22

Family

ID=6171610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83105952A Withdrawn EP0103680A3 (fr) 1982-08-25 1983-06-18 Cylindre d'impression

Country Status (2)

Country Link
EP (1) EP0103680A3 (fr)
DE (1) DE3231490C1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0545468A1 (fr) * 1991-11-25 1993-06-09 Stork Screens B.V. Plaque métallique pour la fabrication d'un manchon pour l'impression en creux, procédé de fabrication et rouleau pourvu d'un motif
EP0725727A4 (fr) * 1992-11-16 1998-01-28 Ir Int Inc Procede de fabrication d'un tube sans soudure grave a la machine
WO2005002869A1 (fr) * 2003-07-03 2005-01-13 Oesterreichische Banknoten- Und Sicherheitsdruck Gmbh Procede de fabrication d'une plaque d'impression pour l'impression en creux et plaque d'impression pour l'impression en creux
WO2013000602A1 (fr) * 2011-06-29 2013-01-03 Koenig & Bauer Aktiengesellschaft Presse rotative équipée d'un cylindre gravé et d'un mécanisme d'encrage installé sur ledit cylindre gravé

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE229347C (fr) *
BE380380A (fr) *
DE373131C (de) * 1921-09-20 1923-04-03 Allgemeines Deutsches Metallwe Druckwalze
US1802003A (en) * 1928-07-09 1931-04-21 Connelly William Mitchell Printing roller
GB578777A (en) * 1942-05-11 1946-07-11 Interchem Corp Improvements in or relating to rotogravure printing members and method of making the same
US4007680A (en) * 1974-07-03 1977-02-15 Pfleger Frank G Gravure printing cylinders
JPS5422208A (en) * 1977-07-19 1979-02-20 Toppan Printing Co Ltd Method of photogravuring
GB2051681B (en) * 1979-06-25 1983-03-02 Drg Ltd Printing rolls
JPS5619758A (en) * 1979-07-27 1981-02-24 Dainippon Printing Co Ltd Preparation of gravure cylinder made of resin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0545468A1 (fr) * 1991-11-25 1993-06-09 Stork Screens B.V. Plaque métallique pour la fabrication d'un manchon pour l'impression en creux, procédé de fabrication et rouleau pourvu d'un motif
EP0725727A4 (fr) * 1992-11-16 1998-01-28 Ir Int Inc Procede de fabrication d'un tube sans soudure grave a la machine
WO2005002869A1 (fr) * 2003-07-03 2005-01-13 Oesterreichische Banknoten- Und Sicherheitsdruck Gmbh Procede de fabrication d'une plaque d'impression pour l'impression en creux et plaque d'impression pour l'impression en creux
RU2323096C2 (ru) * 2003-07-03 2008-04-27 Эстеррайхише Банкнотен-Унд Зихерхайтсдрук Гмбх Способ изготовления печатной формы
AU2004253597B2 (en) * 2003-07-03 2011-08-18 Oesterreichische Banknoten- Und Sicherheitsdruck Gmbh Method for producing a printing plate for intaglio printing and corresponding printing plate
WO2013000602A1 (fr) * 2011-06-29 2013-01-03 Koenig & Bauer Aktiengesellschaft Presse rotative équipée d'un cylindre gravé et d'un mécanisme d'encrage installé sur ledit cylindre gravé

Also Published As

Publication number Publication date
DE3231490C1 (de) 1983-10-20
EP0103680A3 (fr) 1984-08-22

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19850423

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Inventor name: MARZ, HERBERT