EP0554542A1 - Elément pour impression en offset - Google Patents

Elément pour impression en offset Download PDF

Info

Publication number
EP0554542A1
EP0554542A1 EP92120894A EP92120894A EP0554542A1 EP 0554542 A1 EP0554542 A1 EP 0554542A1 EP 92120894 A EP92120894 A EP 92120894A EP 92120894 A EP92120894 A EP 92120894A EP 0554542 A1 EP0554542 A1 EP 0554542A1
Authority
EP
European Patent Office
Prior art keywords
printing form
offset printing
forme cylinder
register
beginning
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
EP92120894A
Other languages
German (de)
English (en)
Other versions
EP0554542B1 (fr
Inventor
Eduard Hoffmann
Johann Winterholler
Wolfgang Prem
Herbert Stöckl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6446760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0554542(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0554542A1 publication Critical patent/EP0554542A1/fr
Application granted granted Critical
Publication of EP0554542B1 publication Critical patent/EP0554542B1/fr
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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1212—Devices for attaching printing elements or formes to supports for attaching flexible printing formes using pneumatic force
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/36—Means for registering or alignment of print plates on print press structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49558—Includes securing removable cover on roller

Definitions

  • the invention relates to an offset printing form made of a metallic material for a forme cylinder of a printing press and a method for producing such an offset printing form.
  • the most common forms of printing in offset printing are the pre-coated aluminum plates, the great advantage of which is the simplicity and speed of manufacture, or the multi-metal plates, which mostly consist of three metals (trimetal), generally using aluminum or sheet steel as the carrier metal. These types are particularly suitable for larger print runs and high loads. In addition, their good surface properties can be significantly improved by additional anodization.
  • this printing form has fitting bores on two opposite edges for the fitting pins of a clamping device of the printing form cylinder.
  • the printing form is centered on the dowel pins and hooked into a cylinder channel with the leading edge, which was previously bent over.
  • the end of the printing form is also inserted into the cylinder channel so that the printing form can be clamped.
  • This requires a channel across the cylinder width and clamping segments that extend through the cylinder in the channel.
  • the printing forms begin and end in this area. This interruption of the printing form means that endless images cannot be produced.
  • the printing speed is limited due to vibration loads on the cylinder through the channel and the clamping device. This vibration exposure also affects print quality.
  • the object of the present invention is to improve the print quality achieved by a generic printing form by eliminating the above-mentioned vibration load and at the same time allowing a higher rotational speed of the printing form cylinder.
  • This object is achieved in the printing form according to the invention from a metallic material in that the beginning and end of the plate-shaped blank of the offset printing form are connected to one another in such a way that the offset printing form, in the form of a sleeve, coats frictionally in the working position but releasably encases the form cylinder , so that it has a coherent, channel-free outer surface and that register devices are provided on at least one end face to ensure the circumferential and lateral register stability.
  • This offset printing form produced by the method according to the invention can be used in conjunction with a forme cylinder without a channel and clamping segment, which is known, for example, from German patent DE-PS 27 00 118.
  • the offset printing form can be pushed onto the form cylinder using compressed air. In the working position, it is non-displaceable on the forme cylinder, yet it can be easily removed from it without destroying it and can therefore be reused.
  • the use of conventional printing form clamping devices, the channel and clamping segments are no longer required and can thus be saved. Only register devices are required to apply the printing form in accordance with the register.
  • Known devices such as markings on the surface of the forme cylinder, which are brought into line with markings on the thin offset printing form, or register pins of the form cylinder, into which the printing form can be hung in register, can also be used here.
  • commercially available offset printing plates can be used and previous plate copies can be used unchanged.
  • the channelless printing enables inexpensive cylinder production, an improvement in print quality and higher print speeds.
  • a thin offset printing form 1 with a thickness s of approximately 0.3 mm is formed from a metallic material to form a sleeve with a diameter d of approximately 300 mm and a width l of approximately 1,600 mm.
  • the material can be aluminum or a multi-metal or tri-metal.
  • the beginning and end of offset printing form 1 are longitudinally welded together.
  • the weld seam 2 preferably has a width b of approximately 0.7 mm.
  • the weld seam 2 has a concave shape on its top and bottom, so that it is not noticeable on the print.
  • Printing form 1 thus has a coherent, channel-free outer surface.
  • the printing form 1 On one end face 3 (FIG. 3), the printing form 1 is provided with register devices in the form of fitting bores 4 which interact with register pins on the surface of the forme cylinder.
  • FIG. 4 shows, it is also conceivable to provide recesses 6 on both end faces 3, 5, which also cooperate with register pins on the surface of the forme cylinder.
  • the production process for printing form 1 comprises the following steps.
  • a plate is cut to the size corresponding to the circumference and width of the forme cylinder.
  • At least one end face 3 or 5 is provided with register devices 4, 6 by means of a plate punch.
  • the plate-shaped blank is clamped in register in the form of a sleeve in a welding device and the beginning and end of the printing form 1 are welded lengthwise. This is preferably done using a neodymium-YAG laser.
  • the regulation of the laser power and the possibility of continuous and pulsed operating mode allow a controlled and exactly reproducible energy influence on the printing form 1. Heat load and warpage of the weld metal are extremely low in comparison with other thermal processes.
  • the welding process is carried out in such a way that a weld seam 2 is formed which has a concave shape on the top and bottom.
  • the sleeve-like printing forme 1 is then pushed onto the forme cylinder while expanding by means of compressed air.
  • the removal of the compressed air causes the printing form to adhere positively to the forme cylinder.
  • the coating and exposure of the printing form 1 can be carried out on the one hand before the beginning and end of the printing form 1 outside the printing machine by photochemical means, and on the other hand after the sleeve-shaped printing form 1 has been pushed on by coating and exposing the printing form on the form cylinder all around.
  • the principle of the invention is therefore to form a commercially available pressure plate made of a metallic material for the purpose of channelless printing into a sleeve, which frictionally and register-wise in the working position, but releasably and reusably encased the forme cylinder and thus has a coherent channel-free outer surface.
  • the invention is not limited to a printing form which is formed into a sleeve by means of a weld seam. It is also conceivable to establish the connection between the beginning and end of the printing form by means of an adhesive, for example the beginning of the printing form being glued to half of a longitudinal saddle, the end of the printing form glued to the other half of the longitudinal saddle and the joints from the beginning and end are additionally glued. Then the sleeve-shaped printing form together with the saddle is pushed onto the forme cylinder.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
EP92120894A 1991-12-11 1992-12-08 Elément pour impression en offset Expired - Lifetime EP0554542B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4140768 1991-12-11
DE4140768A DE4140768C2 (de) 1991-12-11 1991-12-11 Offset-Druckform

Publications (2)

Publication Number Publication Date
EP0554542A1 true EP0554542A1 (fr) 1993-08-11
EP0554542B1 EP0554542B1 (fr) 1996-04-10

Family

ID=6446760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92120894A Expired - Lifetime EP0554542B1 (fr) 1991-12-11 1992-12-08 Elément pour impression en offset

Country Status (5)

Country Link
US (1) US5379693A (fr)
EP (1) EP0554542B1 (fr)
JP (1) JP3272427B2 (fr)
CA (1) CA2083682C (fr)
DE (2) DE4140768C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653313A1 (fr) * 1993-11-11 1995-05-17 MAN Roland Druckmaschinen AG Procédé de fabrication d'une forme d'impression en forme de manchon

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4311078C1 (de) * 1993-04-03 1994-05-26 Roland Man Druckmasch Vorrichtung zur Erzeugung einer Hülse, insbesondere einer hülsenförmigen Druckform, mit zusammenhängender Umfangsfläche
DE4412873C2 (de) * 1993-05-13 1995-06-22 Roland Man Druckmasch Registereinrichtung für eine hülsenförmige Offset-Druckform
DE4315996C1 (de) * 1993-05-13 1994-08-04 Roland Man Druckmasch Registereinrichtung für eine hülsenförmige Offset-Druckform
DE4323750C2 (de) * 1993-07-15 1997-03-27 Roland Man Druckmasch Offset-Druckform und Verfahren zur Herstellung einer solchen Offset-Druckform
DE4342159C2 (de) * 1993-12-10 1997-04-10 Roland Man Druckmasch Formzylinder für eine hülsenförmige Druckform
DE4401269A1 (de) * 1994-01-18 1995-07-20 Roland Man Druckmasch Verfahren und Vorrichtung zum registergerechten Positionieren von Druckformhülsen
DE4432853C2 (de) * 1994-09-15 1999-09-02 Roland Man Druckmasch Trägerhülse für Druck- und Übertragungsformen
DE4432814A1 (de) * 1994-09-15 1996-03-28 Roland Man Druckmasch Trägerhülse für Druck- und Übertragungsformen
US6779449B1 (en) 1994-09-15 2004-08-24 Man Roland Druckmaschinen Ag Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve
US5481975A (en) * 1994-10-03 1996-01-09 Schulz; Werner Printing cylinder mandrel and image carrier sleeve
US5507228A (en) * 1994-10-03 1996-04-16 Schulz; Werner Printing cylinder
JPH08300172A (ja) * 1995-04-28 1996-11-19 Nkk Corp 溶接鋼管の製造方法
DE19525585C2 (de) * 1995-07-13 2003-03-27 Roland Man Druckmasch Rotationsdruckmaschine, insbesondere Offsetdruckmaschine
US5778779A (en) * 1996-01-04 1998-07-14 Heidelberger Druckmaschinen Ag Printing unit and register mechanism for mounting a printing sleeve
FR2746539B1 (fr) * 1996-03-21 1998-05-22 Kertscher Sa E Procede de fabrication de cables coaxiaux
US5687647A (en) * 1996-04-26 1997-11-18 Heidelberger Druckmaschinen Ag Plate cylinder with fixed tensioning plate mounting device
DE19720549A1 (de) * 1997-05-16 1998-11-19 Heidelberger Druckmasch Ag Verfahren zur Herstellung von zylindrischen Beschichtungsträgern
DE19720551A1 (de) * 1997-05-16 1998-11-19 Heidelberger Druckmasch Ag Basisträgerhülse für Rotationsdruckmaschinen
FR2764842B1 (fr) * 1997-06-24 1999-09-24 Jean Francille Dispositif de guidage integre pour manchon ou cylindre d'impression et manchon ou cylindre equipe de ce dispositif
US6075955A (en) * 1998-01-23 2000-06-13 Mitsubishi Chemical America, Inc. Noise reducing device for photosensitive drum of an image forming apparatus
DE19804269A1 (de) * 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Vorrichtung zum Auftragen einer Flüssigkeit auf einen Bedruckstoffbogen, insbesondere Druck, oder Lackierwerk, in einer Bogenrotationsdruckmaschine
US5974972A (en) * 1998-04-06 1999-11-02 Van Denend; Mark E. Printing carrier sleeves and method for manufacturing the same
DE19820357C1 (de) 1998-05-07 1999-10-07 Roland Man Druckmasch Verfahren und Vorrichtung zum Bearbeiten einer Schweißnaht an eine Trägerhülse
US6283026B1 (en) * 1998-11-02 2001-09-04 Polybribron Technologies S.A. Device for automatically blocking air passages in cylinder, specifically for support cylinders and compensation mantles
US6161479A (en) * 1998-12-23 2000-12-19 Heidelberger Druckmaschinen Ag Printing plate for a lithographic rotary printing press
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DE19938846B4 (de) * 1999-08-17 2004-08-26 Alcan Deutschland Gmbh Verfahren zur Herstellung eines Hohlkörpers aus Aluminium oder einer Aluminiumlegierung
JP2001150145A (ja) * 1999-12-01 2001-06-05 Mitsubishi Electric Corp ストリップ接続装置及び方法
DE10049283A1 (de) * 2000-10-05 2002-04-11 Hueck Folien Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung einer zylindrischen Prägeform
US6539629B2 (en) * 2001-01-26 2003-04-01 Great Computer Corp. Roller shaft on computer character-cutting device and method to manufacture the same
DE10133726B4 (de) * 2001-07-11 2006-10-05 Eastman Kodak Co. Verfahren zum Herstellen einer Manschette
DE10151816B4 (de) 2001-10-20 2011-04-28 Manroland Ag Hülsenförmige Druck- oder Übertragungsform und Gerät zum Anfasen der Längenenden einer hülsenförmigen Druck- oder Übertragungsform
WO2003053712A1 (fr) * 2001-12-20 2003-07-03 Rotoincisa S.R.L. Procede de preparation de manchons metalliques amovibles pour machines d'impression
US6894713B2 (en) 2002-02-08 2005-05-17 Kodak Polychrome Graphics Llc Method and apparatus for laser-induced thermal transfer printing
US7439995B2 (en) * 2002-02-08 2008-10-21 Kodak Polychrome Graphics, Gmbh Method and apparatus for laser induced thermal transfer printing
DE10250683B3 (de) * 2002-10-31 2004-03-18 Koenig & Bauer Ag Verfahren zur Herstellung eines Rotationskörpers einer Druckmaschine und einen danach hergestellten Rotationskörper
DE10260445A1 (de) * 2002-12-21 2004-07-08 Man Roland Druckmaschinen Ag Vorrichtung zur Erzeugung einer hülsenförmigen Druckform
US6779450B1 (en) 2003-04-21 2004-08-24 Agfa Corporation Thin-wall drum for external drum imaging system
DE10342353A1 (de) * 2003-09-12 2005-04-21 Iwka Balg Und Kompensatoren Te Verfahren zur Herstellung von Anschlussenden an Metallschläuchen und Schlauchstück mit solchen Anschlussenden
DE102004051041B3 (de) 2004-10-20 2006-03-02 Windmöller & Hölscher Kg Druckplattenzylinder
DE102005035857B4 (de) * 2005-07-30 2011-10-13 Koenig & Bauer Aktiengesellschaft Druckzylinder
DE102005035858B3 (de) * 2005-07-30 2006-07-13 Koenig & Bauer Ag Vorrichtung zum Aufziehen eines Sleeves auf einen Druckzylinder
DE102007047172A1 (de) * 2007-10-02 2009-04-09 Manroland Ag Gummisleeve
US20090211475A1 (en) * 2008-02-21 2009-08-27 Taylor Bradley K Extended print sleeve and method for preparing a printing form from the sleeve
JP5402054B2 (ja) * 2009-02-13 2014-01-29 セイコーエプソン株式会社 搬送ローラー、搬送ユニット、及び印刷装置
JP2010184806A (ja) * 2009-02-13 2010-08-26 Seiko Epson Corp 搬送ローラー、搬送ユニット、及び印刷装置
JP5690745B2 (ja) * 2009-12-24 2015-03-25 ユニバーサル製缶株式会社 スリーブ印刷版用版胴、スリーブ印刷版用版胴の使用方法及び缶の印刷装置
US20130139714A1 (en) * 2011-12-02 2013-06-06 E.I. Du Pont De Nemours And Company Method for making flexographic printing forms by welding edges of photosensitive elements with microwave energy
US9878531B2 (en) 2013-12-19 2018-01-30 Goss International Americas, Inc. Reimageable and reusable printing sleeve for a variable cutoff printing press
JP6316121B2 (ja) * 2014-06-30 2018-04-25 昭和アルミニウム缶株式会社 版胴、版装着装置
JP6559411B2 (ja) * 2014-11-04 2019-08-14 昭和アルミニウム缶株式会社 印刷用版の成形方法及び印刷用版の円筒状成形装置
JP2016104532A (ja) * 2014-12-01 2016-06-09 昭和アルミニウム缶株式会社 印刷用版
DE102018000696A1 (de) * 2018-01-29 2019-08-01 Giesecke+Devrient Currency Technology Gmbh Verfahren zum Befestigen eines Prägewerkzeugs auf einer Prägewalze
CN115230294A (zh) * 2021-04-23 2022-10-25 山东新巨丰泰东包装有限公司 印版

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EP0009360A1 (fr) * 1978-09-13 1980-04-02 Drg (Uk) Limited Fabrication de douilles pour l'impression
EP0526867A1 (fr) * 1991-08-05 1993-02-10 Gerhardt International A/S Procédé pour la fabrication d'un outil d'emboutissage cylindrique

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GB578777A (en) * 1942-05-11 1946-07-11 Interchem Corp Improvements in or relating to rotogravure printing members and method of making the same
EP0009360A1 (fr) * 1978-09-13 1980-04-02 Drg (Uk) Limited Fabrication de douilles pour l'impression
EP0526867A1 (fr) * 1991-08-05 1993-02-10 Gerhardt International A/S Procédé pour la fabrication d'un outil d'emboutissage cylindrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653313A1 (fr) * 1993-11-11 1995-05-17 MAN Roland Druckmaschinen AG Procédé de fabrication d'une forme d'impression en forme de manchon
US5499580A (en) * 1993-11-11 1996-03-19 Man Roland Druckmaschinen Ag Process for fabricating a sleeve shaped printing form

Also Published As

Publication number Publication date
EP0554542B1 (fr) 1996-04-10
CA2083682A1 (fr) 1993-06-12
JPH05254096A (ja) 1993-10-05
US5379693A (en) 1995-01-10
DE4140768A1 (de) 1993-06-17
JP3272427B2 (ja) 2002-04-08
DE59205967D1 (de) 1996-05-15
DE4140768C2 (de) 1994-08-18
CA2083682C (fr) 1996-10-29

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