EP0384104A1 - Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder - Google Patents

Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder Download PDF

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Publication number
EP0384104A1
EP0384104A1 EP90100253A EP90100253A EP0384104A1 EP 0384104 A1 EP0384104 A1 EP 0384104A1 EP 90100253 A EP90100253 A EP 90100253A EP 90100253 A EP90100253 A EP 90100253A EP 0384104 A1 EP0384104 A1 EP 0384104A1
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EP
European Patent Office
Prior art keywords
coating
electro
advantageously
making
applying
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.)
Granted
Application number
EP90100253A
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English (en)
French (fr)
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EP0384104B1 (de
Inventor
Felice Rossini
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.)
Erminio Rossini SpA
Original Assignee
Erminio Rossini SpA
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11158901&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0384104(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Erminio Rossini SpA filed Critical Erminio Rossini SpA
Publication of EP0384104A1 publication Critical patent/EP0384104A1/de
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/18—Curved printing formes or printing cylinders
    • 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
    • B41N1/22—Curved printing plates, especially cylinders made of other substances

Definitions

  • This industrial invention patent relates to a method for producing plastics cylinders for printing in general, and in particular rotogravure and flexography.
  • the patent also relates to the cylinder obtained by said method.
  • An object of the present invention is to provide a method for producing cylinders for printing in general, and in particular rotogravure and flexography, which is very simple to implement using any suitable apparatus.
  • a further object is to provide a method of the aforesaid type which enables plastics printing cylinders to be produced which are of maximum reliability and low weight, so that they can be easily handled and stored.
  • a further object is to provide a method which enables a plastics printing cylinder to be produced, the diameter of which can be varied at will during its production, without encountering particular difficulty.
  • the method of the invention consists essentially of (a) preparing an inner cylindrical tube of self-supporting rigid material, advantageously epoxy resin reinforced with glass or carbon filament or fabric, (b) coating said cylindrical tube with an expanded plastics material, advantageously rigid polyurethane, (c) making the outer surface of said coating perfectly smooth, (d) making said outer smooth surface of the expanded material electro-conductive by applying metallic materials in any manner, and (e) making said electro-conductive surface engravable, advantageously by applying electroplated copper or applying engravable photopolymer materials.
  • a glass fibre fabric or yarn impregnated with epoxy resin is wound about a perfectly cylindrical steel mandrel having a ground, lapped and chromium-plated surface, until a thickness of between 1.5 and 2 mm is obtained.
  • the structure is then polymerized in conventional manner at a temperature of between 80°C and 120°C.
  • the resultant tube is then mounted on the central shaft of a casting mould consisting of a cylinder in which said shaft is centrally positioned and which has its inner surface perfectly ground and lapped.
  • the mould is tightly closed and a quantity of polyurethane is introduced such that the final expanded product will have a density of 0,480 kg/dm3, said polyurethan being prepared by mixing isocyanate and polyol in stoichiometric proportion in a mixing machine.
  • Both the components and the mould are temperature-controlled at 20-35°C, and preferably at 30°C.
  • the structure obtained can be made electrically conductive by applying a silver or nickel-based paint by spray or brush to a thickness of 200 ⁇ c. Copper is then applied in an electroplating tank to a thickness sufficient to enable the required engraving of the cylinder surface to be effected, this thickness being advantageously 500 ⁇ C.
  • the thickness of the expanded polyurethane layer can be varied according to requirements without varying the dimensions of the internal tube, to enable cylinders of variable outer diameter to be mounted on the same standard support shaft.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Printing Methods (AREA)
  • Ink Jet (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Laminated Bodies (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
EP90100253A 1989-02-23 1990-01-08 Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder Expired - Lifetime EP0384104B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1954189 1989-02-23
IT8919541A IT1228855B (it) 1989-02-23 1989-02-23 Procedimento per l'ottenimento di cilindri in materiale plastico per stampa in genere, in particolare rotocalco e flessografia, e cilindro cosi' ottenuto.

Publications (2)

Publication Number Publication Date
EP0384104A1 true EP0384104A1 (de) 1990-08-29
EP0384104B1 EP0384104B1 (de) 1994-09-21

Family

ID=11158901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90100253A Expired - Lifetime EP0384104B1 (de) 1989-02-23 1990-01-08 Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder

Country Status (9)

Country Link
EP (1) EP0384104B1 (de)
JP (1) JPH02248291A (de)
AT (1) ATE111805T1 (de)
AU (1) AU622809B2 (de)
CA (1) CA2009087A1 (de)
DE (1) DE69012605T2 (de)
DK (1) DK0384104T3 (de)
ES (1) ES2063170T3 (de)
IT (1) IT1228855B (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133903A1 (de) * 1991-09-25 1993-04-08 Escher Wyss Ag Formzylinder einer rotationsdruckmaschine
ES2059222A1 (es) * 1991-07-01 1994-11-01 Nacional Moneda Timbre Mejoras introducidas en sistemas de reproduccion de grabados originales.
EP0787597A3 (de) * 1996-01-31 1998-01-07 POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG Hülse für eine Tiefdruckwalze, Verfahren zu ihrer Herstellung und Arbeitsverfahren der Vorrichtung zur Herstellung
WO1998007579A1 (de) * 1996-08-21 1998-02-26 Schepers Druckformtechnik Gmbh Druckwalze oder -zylinder mit einem kern aus metall oder kunststoff und verfahren zur herstellung derselben bzw. desselben
WO2000059727A1 (en) * 1999-04-07 2000-10-12 Hyperlast Limited Improved gravure printing rollers
WO2003047873A3 (en) * 2001-11-28 2003-10-30 Starbase Ag Printing cylinder manufacture
EP1543962A1 (de) * 2003-12-19 2005-06-22 FISCHER & KRECKE GMBH & CO. Tiefdruckzylinder
WO2009124541A1 (de) * 2008-04-07 2009-10-15 Sächsische Walzengravur GmbH Tiefdruck- oder prägeform als sleeve oder zylinder
EP2202084A1 (de) * 2008-12-22 2010-06-30 Müller Martini Holding AG Walze für eine Druckmaschine, Druckmaschine mit der Walze sowie Verfahren zum Herstellen der Walze

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1275901B1 (it) * 1995-03-14 1997-10-24 Rossini Erminio Spa Manica doppia concentrica per cilindro da stampa rotativa
IT1277167B1 (it) * 1995-03-20 1997-11-05 Rossini Erminio Spa Perfezionamenti ai mandrini deformabili per cilindri da stampa rotativa
DE19545597C2 (de) * 1995-12-06 1999-01-07 Polywest Kunststofftechnik Verfahren zur Herstellung einer Hülse für Druck- oder Rasterwalzen
US5819657A (en) * 1996-03-11 1998-10-13 Ermino Rossini, Spa Air carrier spacer sleeve for a printing cylinder
WO2007132734A1 (ja) * 2006-05-11 2007-11-22 Think Laboratory Co., Ltd. グラビア製版ロール及びその製造方法
DE102009007678B4 (de) 2009-02-03 2010-12-16 Sächsische Walzengravur GmbH Hülse als Tiefdruckform
DE102009009919A1 (de) 2009-02-18 2010-08-19 Sächsische Walzengravur GmbH Tiefdruckform als Sleeve oder Zylinder und Verfahren zur Herstellung einer lösch-und wiederverwendbaren Tiefdruckform
DE102009010081A1 (de) 2009-02-18 2010-08-19 Sächsische Walzengravur GmbH Tiefdruck- oder Prägeform als Sleeve oder Zylinder und Verfahren zur Herstellung derer
DE102009010080A1 (de) 2009-02-18 2010-08-19 Sächsische Walzengravur GmbH Tiefdruckform als Sleeve oder Zylinder mit einer ablösbaren Schicht
JP5000682B2 (ja) * 2009-05-01 2012-08-15 旭化成イーマテリアルズ株式会社 レーザー彫刻可能な円筒状フレキソ印刷原版
DE202014001960U1 (de) 2014-02-27 2014-03-20 Sächsische Walzengravur GmbH Druck- oder Prägeform

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2051681A (en) * 1979-06-25 1981-01-21 Drg Ltd Printing rolls
EP0038385A1 (de) * 1980-04-14 1981-10-28 Karl D. Bardin Metallüberzogene Kunststoff-Intaglio-Druckzylinder und -Druckplatten, Verfahren und Apparat
NL8302811A (nl) * 1983-08-10 1985-03-01 Anderson & Vreeland Bv Drukcilinder, alsmede rasterwals voor een flexo-drukmachine.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503769A (en) * 1982-06-21 1985-03-12 Armotek Industries, Inc. Metal coated thin wall plastic printing cylinder for rotogravure printing
JPS62196189A (ja) * 1986-02-25 1987-08-29 Showa Denko Kk グラビア印刷用ロ−ル母材

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2051681A (en) * 1979-06-25 1981-01-21 Drg Ltd Printing rolls
EP0038385A1 (de) * 1980-04-14 1981-10-28 Karl D. Bardin Metallüberzogene Kunststoff-Intaglio-Druckzylinder und -Druckplatten, Verfahren und Apparat
NL8302811A (nl) * 1983-08-10 1985-03-01 Anderson & Vreeland Bv Drukcilinder, alsmede rasterwals voor een flexo-drukmachine.

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2059222A1 (es) * 1991-07-01 1994-11-01 Nacional Moneda Timbre Mejoras introducidas en sistemas de reproduccion de grabados originales.
DE4133903A1 (de) * 1991-09-25 1993-04-08 Escher Wyss Ag Formzylinder einer rotationsdruckmaschine
EP0787597A3 (de) * 1996-01-31 1998-01-07 POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG Hülse für eine Tiefdruckwalze, Verfahren zu ihrer Herstellung und Arbeitsverfahren der Vorrichtung zur Herstellung
WO1998007579A1 (de) * 1996-08-21 1998-02-26 Schepers Druckformtechnik Gmbh Druckwalze oder -zylinder mit einem kern aus metall oder kunststoff und verfahren zur herstellung derselben bzw. desselben
WO2000059727A1 (en) * 1999-04-07 2000-10-12 Hyperlast Limited Improved gravure printing rollers
WO2003047873A3 (en) * 2001-11-28 2003-10-30 Starbase Ag Printing cylinder manufacture
EP1543962A1 (de) * 2003-12-19 2005-06-22 FISCHER & KRECKE GMBH & CO. Tiefdruckzylinder
WO2009124541A1 (de) * 2008-04-07 2009-10-15 Sächsische Walzengravur GmbH Tiefdruck- oder prägeform als sleeve oder zylinder
EP2202084A1 (de) * 2008-12-22 2010-06-30 Müller Martini Holding AG Walze für eine Druckmaschine, Druckmaschine mit der Walze sowie Verfahren zum Herstellen der Walze
CN101791895A (zh) * 2008-12-22 2010-08-04 米勒·马蒂尼控股公司 用于印刷机的辊,具有该辊的印刷机以及制造该辊的方法

Also Published As

Publication number Publication date
CA2009087A1 (en) 1990-08-23
AU5708490A (en) 1991-12-19
IT8919541A0 (it) 1989-02-23
IT1228855B (it) 1991-07-05
ATE111805T1 (de) 1994-10-15
AU622809B2 (en) 1992-04-16
DK0384104T3 (da) 1995-02-13
JPH02248291A (ja) 1990-10-04
DE69012605D1 (de) 1994-10-27
EP0384104B1 (de) 1994-09-21
DE69012605T2 (de) 1995-01-19
ES2063170T3 (es) 1995-01-01

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