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WO1998007579A1 - Rouleau ou cylindre d'impression comportant une partie centrale en metal ou en matiere plastique, et procede de production dudit rouleau ou cylindre - Google Patents

Rouleau ou cylindre d'impression comportant une partie centrale en metal ou en matiere plastique, et procede de production dudit rouleau ou cylindre Download PDF

Info

Publication number
WO1998007579A1
WO1998007579A1 PCT/EP1997/004551 EP9704551W WO9807579A1 WO 1998007579 A1 WO1998007579 A1 WO 1998007579A1 EP 9704551 W EP9704551 W EP 9704551W WO 9807579 A1 WO9807579 A1 WO 9807579A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic
printing roller
cylinder according
cylinder
printing
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.)
Ceased
Application number
PCT/EP1997/004551
Other languages
German (de)
English (en)
Inventor
Hans-Georg Schepers
Karl-Wilh. Saueressig
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.)
SCHEPERS DRUCKFORMTECHNIK GmbH
Original Assignee
SCHEPERS DRUCKFORMTECHNIK 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 SCHEPERS DRUCKFORMTECHNIK GmbH filed Critical SCHEPERS DRUCKFORMTECHNIK GmbH
Publication of WO1998007579A1 publication Critical patent/WO1998007579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B41N1/22—Curved printing plates, especially cylinders made of other substances
    • 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
    • B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix

Definitions

  • the invention relates to a pressure roller or cylinder with a core made of metal or plastic.
  • Plastic plates made of photopolymers are also known, from which printing plates can be produced by film exposure and washing out.
  • these printing plates have the disadvantage that they cannot be produced seamlessly or endlessly. In addition, they do not have sufficient stability when used in printing.
  • Known printing rollers or cylinders with ceramic surfaces can also be lasered directly, but both the application of the ceramic coating by means of plasma processes and the lasering are expensive, technically complex and slow. Furthermore, a high level of grinding effort must be made for post-processing. It is an object of the invention to provide a printing roller or a printing cylinder of the type mentioned at the outset which is easy to engrave, has a long service life and can be produced economically.
  • the core has an outer thin layer of a hard plastic, the surface of which is engraved directly by laser.
  • the plastic layer can consist of various plastics, provided that they are sufficiently hard.
  • thermosets and / or thermoplastics can be used as plastics.
  • a surface coating can be present according to claims 5 to 7.
  • Another important criterion is the small thickness of the plastic layer, which is advantageously between 40 and 200 ⁇ m and particularly preferably between 50 and 100 ⁇ m.
  • the printing roller according to the invention or the printing cylinder according to the invention has a core made of metal or plastic or consists of a composite of these materials, to which an outer thin layer of a hard plastic is applied, the surface of which is engraved directly by laser.
  • the core can be solid or sleeve-shaped.
  • thermosets and / or thermoplastics for example PTFE, PU or ABS, and others with suitable hardnesses are suitable as plastics.
  • the surface can be coated with carbon when coating with PTFE or PU.
  • a surface made of ABS can be metallized; In addition to ABS, other metallizable plastics can also be used.
  • the plastic layer is preferably applied in a small thickness between 40 and 200 ⁇ m and more preferably in a thickness between 50 and 100 ⁇ m.
  • the plastic layer can advantageously be sprayed on, it can also be poured on, or the plastic can be wound into a layer from extruded strips and then ground off to produce a smooth surface.
  • the printing roller according to the invention or the printing cylinder according to the invention is simple in construction, can be produced efficiently and has a long service life, one can speak of an ideal solution to the problems at hand.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

L'invention concerne un rouleau ou cylindre d'impression comportant une partie centrale en métal ou en matière plastique, caractérisé en ce que la partie centrale présente une couche extérieure mince d'une matière plastique adhésive, la surface de ladite couche étant gravée directement au laser. L'invention concerne en outre un procédé de production dudit rouleau ou cylindre d'impression.
PCT/EP1997/004551 1996-08-21 1997-08-21 Rouleau ou cylindre d'impression comportant une partie centrale en metal ou en matiere plastique, et procede de production dudit rouleau ou cylindre Ceased WO1998007579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19633643.0 1996-08-21
DE1996133643 DE19633643A1 (de) 1996-08-21 1996-08-21 Druckwalze oder -zylinder mit einem Kern aus Metall oder Kunststoff und Verfahren zur Herstellung derselben bzw. desselben

Publications (1)

Publication Number Publication Date
WO1998007579A1 true WO1998007579A1 (fr) 1998-02-26

Family

ID=7803197

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1997/004551 Ceased WO1998007579A1 (fr) 1996-08-21 1997-08-21 Rouleau ou cylindre d'impression comportant une partie centrale en metal ou en matiere plastique, et procede de production dudit rouleau ou cylindre

Country Status (2)

Country Link
DE (1) DE19633643A1 (fr)
WO (1) WO1998007579A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501163A (zh) * 2011-11-25 2012-06-20 郑州运城制版有限公司 凹印制版中版辊筒的研磨方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19804672A1 (de) * 1998-02-06 1999-08-12 Technoplast Beschichtungsgesel Einreißgeschützte Hochdruckform
DE10033629B4 (de) * 2000-07-11 2011-12-01 Tampoprint Ag Druckklischee
GB0128469D0 (en) * 2001-11-28 2002-01-16 Keating Gravure Systems Uk Ltd Printing cylinder manufacture
DE102012104109A1 (de) * 2012-05-10 2013-11-14 Manroland Web Systems Gmbh Druckmaschinenzylinder, Druckmaschinenwalze und Herstellungsverfahren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125661A (en) * 1976-03-19 1978-11-14 Mona Industries, Inc. Laminated plates for chemical milling
FR2397942A1 (fr) * 1977-07-19 1979-02-16 Toppan Printing Co Ltd Procede pour imprimer en creux
DE2937275A1 (de) * 1978-09-15 1980-06-04 Crosfield Electronics Ltd Druckelement
GB2223984A (en) * 1988-09-13 1990-04-25 Sony Corp Making a gravure printing plate
EP0384104A1 (fr) * 1989-02-23 1990-08-29 Erminio Rossini S.P.A. Méthode pour produire des cylindres pour impression, en particulier pour rotogravure et flexographie, et cylindre ainsi obtenu

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230431C2 (de) * 1992-09-11 1996-09-26 Roland Man Druckmasch Offset-Gummituchhülse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125661A (en) * 1976-03-19 1978-11-14 Mona Industries, Inc. Laminated plates for chemical milling
FR2397942A1 (fr) * 1977-07-19 1979-02-16 Toppan Printing Co Ltd Procede pour imprimer en creux
DE2937275A1 (de) * 1978-09-15 1980-06-04 Crosfield Electronics Ltd Druckelement
GB2223984A (en) * 1988-09-13 1990-04-25 Sony Corp Making a gravure printing plate
EP0384104A1 (fr) * 1989-02-23 1990-08-29 Erminio Rossini S.P.A. Méthode pour produire des cylindres pour impression, en particulier pour rotogravure et flexographie, et cylindre ainsi obtenu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501163A (zh) * 2011-11-25 2012-06-20 郑州运城制版有限公司 凹印制版中版辊筒的研磨方法

Also Published As

Publication number Publication date
DE19633643A1 (de) 1998-03-05

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