EP1308307A2 - Méthode et dispositif pour la production intégrée de plaque d'impression dans une machine de traitement - Google Patents

Méthode et dispositif pour la production intégrée de plaque d'impression dans une machine de traitement Download PDF

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Publication number
EP1308307A2
EP1308307A2 EP02023338A EP02023338A EP1308307A2 EP 1308307 A2 EP1308307 A2 EP 1308307A2 EP 02023338 A EP02023338 A EP 02023338A EP 02023338 A EP02023338 A EP 02023338A EP 1308307 A2 EP1308307 A2 EP 1308307A2
Authority
EP
European Patent Office
Prior art keywords
printing
rubber
blanket
form cylinder
printing form
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
EP02023338A
Other languages
German (de)
English (en)
Other versions
EP1308307A3 (fr
Inventor
Thomas Walther
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
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1308307A2 publication Critical patent/EP1308307A2/fr
Publication of EP1308307A3 publication Critical patent/EP1308307A3/fr
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/06—Lithographic printing

Definitions

  • the invention relates to a method and an apparatus for integrated printing form generation in a processing machine according to the preambles of the independent claims.
  • a method and a device of this type are from DE 32 48 178 A1 known for an offset printing machine. Accordingly a thermal transfer ribbon with an electronically controlled one Pixel transfer unit (thermal transfer unit) one Printing form cylinder arranged immediately adjacent.
  • an oleophilic material is removed from the thermal transfer ribbon, transferred to the printing form cylinder and for the purpose of formation the printing areas fixed on its outer surface.
  • the the outer surface of the printing form cylinder which absorbs the oleophilic material is metallic, for example as an anodized one or brushed aluminum surface.
  • the Printing form cylinder is used by the thermal transfer printing unit at least one turn with the required image information applied.
  • the printing form cylinder is still one Device for demolding, i.e. deleting, assigned to the printing form. After the printing form has been demolded, there is a new one Print form generation according to the above procedure on the Printing form cylinder can be made.
  • the thermal transfer printing unit can be used on a printing form cylinder.
  • offset printing units have at least one plate cylinder carrying the printing form, also called a printing form cylinder, and a blanket cylinder as a transfer cylinder for the printing material to be inked or lacquered.
  • the printing subject is thus transferred from the plate cylinder (printing form cylinder) to the blanket cylinder and from the blanket cylinder to the printing material in an indirect flat printing process, so that a printing form according to DE 32 48 178 A1 is used in an indirect flat printing process.
  • the invention is based on the object of a method and to create a device of the type described in the introduction, avoid the disadvantages mentioned, especially one allow simplified printing unit construction and an expanded one Show area of application.
  • a first advantage of the invention is based on the fact that the device a low cost of cylinders per Printing unit needed because only one printing plate cylinder as well an impression cylinder is required. By dropping out of one cylinder per printing unit is reduced, for example based on a conventional offset printing unit with plate cylinder, blanket cylinder and impression cylinder - The effort is noticeable due to the simplified printing unit structure.
  • Another advantage is that the color or transfer of varnish directly to the substrate, i.e. in one direct printing process, from the inked printing form directly on the substrate.
  • the printing form cylinder can be assigned any inking system which is based on different principles of ink metering or ink splitting.
  • the device is not limited to the inking of the printing form with printing ink; instead, instead of the printing ink, a lacquer, for example a water-based lacquer, can also be used in connection with the printing form.
  • the device for integrated printing form generation is not limited to printing units and / or coating units in a printing press, but rather this device can also be used, for example, in coating units of a coating machine. In this case, such a device can be permanently installed for the respective printing form cylinder.
  • at least one such device is assigned to the processing machine in such a way that this device can be fed / discharged to the printing form cylinder to be imaged, for example by means of handling technology or interlinking systems.
  • a printing unit for example a color printing unit of a rotary printing press, consists essentially of a printing form cylinder 2 and one at least one on / off adjustable Applicator roller 4 containing inking system 10.
  • Such Ink system 10 is, for example, the applicator roller 4 including a single drum roller or one with the Applicator roller 4 dosing system in functional connection.
  • Chamber doctor blade chamber doctor blade system
  • scoop roller scoop roller system
  • two-roll system including the application roll 4 with feeding into a common nip Ink or paint feed
  • the printing form cylinder 2 is in the direction of rotation the inking system 10 (with applicator roller 4) to the printing form cylinder 2 adjustable or detachable dampening units can be arranged.
  • a rubber printing blanket 3 can be detached from the printing cylinder 2 arranged, which with the inking system 10 or the applicator roller 4 can be brought into direct contact.
  • the printing form cylinder 2 with the rubber printing blanket 3 is in a printing nip 11 directly with a substrate that is transported in conveying direction 5 can be brought into contact and with an adjacent impression cylinder 1 in functional connection.
  • the impression cylinder 1 is, for example, a sheet guiding cylinder with sheet holding means in a sheet processing machine or an impression cylinder in a web processing Press.
  • the impression cylinder also as a printing form cylinder 2 with a rubber printing blanket 3, alternatively with an associated device for integrated Printing form generation according to the thermal transfer principle, preferred Executable in a web-processing printing machine.
  • the printing form cylinder 2 with rubber printing blanket 3 is an imaging device 6 with one between the imaging device 6 and the printing form cylinder 2 arranged thermal transfer ribbon 7 arranged adjacent.
  • the imaging unit 6 is preferably a laser imaging head Device which digital image data from a controller, for example, a control center.
  • the thermal transfer ribbon 7 has a special polymer as a coating and is preferably in contact with the rubber printing blanket 3 can be brought.
  • the imaging unit 6 heats it Thermal transfer ribbon 7 pixel by pixel according to the one to be transferred Image information and the polymer is point by point transfer the rubber blanket 3.
  • the print image information are thus from the thermal transfer ribbon 7 directly to the rubber printing blanket 3 transferable. Since the polymer is color-guiding, this forms the printing areas on the rubber printing blanket Third
  • the rubber printing blanket 3 has a surface coating, which is preferably hydrophobic. For example, one is such surface coating from a silicone rubber layer educated. As rubber blanket 3 are incompressible or preferably compressible, including air cushions Rubber printing blankets 3 can be used.
  • the rubber printing blanket 3 preferably has a dimensionally stable substrate.
  • the substrate is a sleeve which can be axially pulled onto the printing form cylinder 2 and arranged (detachable) in a firmly adhering manner.
  • the substrate is a carrier layer on which the rubber printing blanket 3 is arranged in a non-adhesive manner and at least the substrate can be fixed in clamping means of the printing form cylinder 2.
  • the substrate is arranged as an intermediate layer inside the rubber printing blanket 3, the rubber printing blanket 3 being fixable in clamping means of the printing form cylinder 2.
  • the imaging device follows in the direction of rotation of the printing form cylinder 2 6 with thermal transfer ribbon 7 a device for thermal fixing 8, which the print subject on the Rubber printing blanket 3 fixed, preferably for better durability to ensure.
  • a conditioning process preferably closes to reduce the ink / dampening solution improve.
  • the device follows the direction of rotation of the printing form cylinder 2 a cleaning device 9 for thermal fixing 8.
  • the cleaning device 9 is preferred after completion of the print run activates and de-molds the rubber printing blanket 3 of the respective print subject, i.e. the print subject is deleted on the rubber blanket 3.
  • the rubber printing blanket 3 is switched on / off Coloring system 10, 4 colored and the print subject is directly on the rubber blanket 3 in a printing nip 11 transfer a printing material.
  • the print subject is placed on the rubber blanket 3 deleted by means of the cleaning device for de-imaging. If necessary, 3 wet it with a dampening solution.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Electronic Switches (AREA)
EP02023338A 2001-10-31 2002-10-18 Méthode et dispositif pour la production intégrée de plaque d'impression dans une machine de traitement Ceased EP1308307A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10153794A DE10153794A1 (de) 2001-10-31 2001-10-31 Verfahren und Vorrichtung zur integrierten Druckformerzeugung in einer Verarbeitungsmaschine
DE10153794 2001-10-31

Publications (2)

Publication Number Publication Date
EP1308307A2 true EP1308307A2 (fr) 2003-05-07
EP1308307A3 EP1308307A3 (fr) 2004-04-28

Family

ID=7704360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02023338A Ceased EP1308307A3 (fr) 2001-10-31 2002-10-18 Méthode et dispositif pour la production intégrée de plaque d'impression dans une machine de traitement

Country Status (4)

Country Link
US (1) US20030079628A1 (fr)
EP (1) EP1308307A3 (fr)
JP (1) JP2003136667A (fr)
DE (1) DE10153794A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008000726A1 (de) 2008-03-18 2009-09-24 Manroland Ag Walze für ein Druckwerk

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248178A1 (de) 1982-12-27 1984-07-05 Forschungsgesellschaft Druckmaschinen E.V., 6000 Frankfurt Bildmaessige beschichtung von druckformen fuer den flachdruck

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802952A (en) * 1969-07-18 1974-04-09 E Gurin Biaxally stress-oriented plastic sheet laminated with nbr adhesive to rubber-coated paper
DE2633694A1 (de) * 1975-08-01 1977-02-17 Xerox Corp Elastische lithographische master fuer direktdruck
DE3401350C2 (de) * 1984-01-17 1986-01-23 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Zylinderaufzug für einen Gummizylinder einer Offsetrotationsdruckmaschine
DE3636129A1 (de) * 1986-10-23 1988-05-05 Man Technologie Gmbh Druckform fuer den flachdruck
US5019835A (en) * 1988-10-04 1991-05-28 Canon Kabushiki Kaisha Image forming apparatus and image forming method using a negative image insulating pattern formed on an electroconductive substrate
DE3834270A1 (de) * 1988-10-08 1990-04-12 Roland Man Druckmasch Verfahren zur herstellung von druckformen
US5072671A (en) * 1988-11-09 1991-12-17 Man Roland Druckmaschinen Ag System and method to apply a printing image on a printing machine cylinder in accordance with electronically furnished image information
DE3837978A1 (de) * 1988-11-09 1990-05-10 Roland Man Druckmasch Verfahren zur bebilderung eines druckformzylinders
US6374734B1 (en) * 1989-10-05 2002-04-23 Heidelberger Druckmaschinen Ag Tubular printing blanket
US5429048A (en) * 1989-10-05 1995-07-04 Gaffney; John M. Offset lithographic printing press
US5352507A (en) * 1991-04-08 1994-10-04 W. R. Grace & Co.-Conn. Seamless multilayer printing blanket
US5129321A (en) * 1991-07-08 1992-07-14 Rockwell International Corporation Direct-to-press imaging system for use in lithographic printing
US5213042A (en) * 1992-02-25 1993-05-25 The Nuventures Foundation Printing process and apparatus
FR2689060A1 (fr) * 1992-03-26 1993-10-01 Pechiney Emballage Alimentaire Procédé d'impression offset et dispositif correspondant.
US5570636A (en) * 1995-05-04 1996-11-05 Presstek, Inc. Laser-imageable lithographic printing members with dimensionally stable base supports
US5974974A (en) * 1997-07-01 1999-11-02 Polyfibron Technologies, Inc. Substantially transparent printing blankets and methods for using same
DE19811031B4 (de) * 1998-03-13 2004-07-29 Man Roland Druckmaschinen Ag Verfahren und Vorrichtung zur Herstellung eines Drucks, insb. eines Proofs, mittels laserinduziertem Thermotransfer
DE19811029C2 (de) * 1998-03-13 2000-02-24 Roland Man Druckmasch Regelung der Geschwindigkeiten bei einem Verfahren und Vorrichtung zur Herstellung eines Thermotransferdrucks mittels bandförmiger Transferfolien
DE10023320B4 (de) * 2000-05-12 2005-10-27 Man Roland Druckmaschinen Ag Anordnung zum Bereitstellen und Zuführen von Übertragungsmaterial für ein thermografisches Verfahren zur Druckformherstellung auf einem Druckformzylinder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248178A1 (de) 1982-12-27 1984-07-05 Forschungsgesellschaft Druckmaschinen E.V., 6000 Frankfurt Bildmaessige beschichtung von druckformen fuer den flachdruck

Also Published As

Publication number Publication date
EP1308307A3 (fr) 2004-04-28
DE10153794A1 (de) 2003-05-22
US20030079628A1 (en) 2003-05-01
JP2003136667A (ja) 2003-05-14

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