EP0118866B1 - Verfahren und Anordnung zum Verschliessen des Spaltes zwischen den Enden einer auf einen Formzylinder aufgespannten Tiefdruckplatte - Google Patents

Verfahren und Anordnung zum Verschliessen des Spaltes zwischen den Enden einer auf einen Formzylinder aufgespannten Tiefdruckplatte Download PDF

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Publication number
EP0118866B1
EP0118866B1 EP84102368A EP84102368A EP0118866B1 EP 0118866 B1 EP0118866 B1 EP 0118866B1 EP 84102368 A EP84102368 A EP 84102368A EP 84102368 A EP84102368 A EP 84102368A EP 0118866 B1 EP0118866 B1 EP 0118866B1
Authority
EP
European Patent Office
Prior art keywords
gap
cavity
sheet
arrangement
gravure 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.)
Expired
Application number
EP84102368A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0118866A3 (en
EP0118866A2 (de
Inventor
Gerhard Bleckmann
John Dr. Lynch
Heinz Mohr
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to AT84102368T priority Critical patent/ATE38802T1/de
Publication of EP0118866A2 publication Critical patent/EP0118866A2/de
Publication of EP0118866A3 publication Critical patent/EP0118866A3/de
Application granted granted Critical
Publication of EP0118866B1 publication Critical patent/EP0118866B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • B41F27/1293—Devices for filling up the cylinder gap; Devices for removing the filler
    • 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
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B41N6/02—Chemical means for fastening printing formes on mounting boards

Definitions

  • the invention relates to a method for closing the gap between the ends of a rotogravure plate clamped on a forme cylinder of a sheet or roller rotogravure printing machine, and an arrangement for carrying out the method according to the preambles of claims 1 and 14 (DE-A-2 545 618) .
  • the forme cylinder is provided with a groove running parallel or also obliquely to the forme cylinder axis, into which the intaglio printing plate is attached and held at an acute angle with at least one folded side - as for example in DE-A-2 545 124, DE-A- 2 633 445 and DE-A-3 049 143.
  • the resulting gap between the two ends of the gravure printing plate is preferably closed with a plastic compound.
  • the present invention is therefore based on the object of closing the gap between the ends of a rotogravure printing plate mounted on a forme cylinder on a forme cylinder, in particular with a plastic printing layer, with little effort and more easily than before, with a high surface quality being ensured.
  • the invention furthermore relates to special embodiments of the method and the arrangement as result from the following description and the claims.
  • the forme cylinder 1 of a sheet-fed or roller rotogravure printing machine is provided with a groove 2 which runs along the forme cylinder axis and widens from the cylinder surface to the cylinder center, into which the intaglio printing plate 3 clamped on the forme cylinder with - im shown example - two folded ends 4 is hooked at an acute angle.
  • a surface piece 6, for example a film piece or a solid, elastic plate which overlaps the two end sections 5 of the intaglio printing plate, is placed, which is supported by a pressure piece 7 that can be closed with the aid of a holding-down device not shown in the drawing and pressed against the surface of the gravure printing plate.
  • the surface piece 6 which generally has a thickness in the range from 1 to 10 mm, in particular 2 to 8 mm, is preferably transparent, since the filling process of the gap cavity 9 and the tightness between the surface piece 6 and its contact surfaces can then be observed.
  • the surface piece 6 is in particular a plastic film or an elastically flexible plastic plate, for example made of polyester, polyamide, polystyrene, polyethylene, polypropylene and preferably polyacrylates or Polymethacrylates such as polymethyl methacrylate.
  • the surface piece 6 is transparent to the actinic light used for the gap curing.
  • the surface piece 6 can also be formed from a highly thermally conductive material, for example a metal plate.
  • the material for the surface piece 6 is chosen so that it can be easily pulled off or lifted off from the hardened gap filling.
  • the surface piece 6 can be coated on the surface with a release agent, e.g. B. siliconized, or it can also be placed between the surface of the gravure plate and surface piece 6 also a thin release film.
  • the pressure piece 7 can, as shown in FIG. 1, be a closed - largely solid - shaped piece, the support surface 8 of which advantageously has approximately the same curvature as the surface of the end sections 5 of the gravure printing plate 3 or also deviate therefrom. H. in particular can also have a greater curvature.
  • the pressure piece 7 can be formed, for example, by a support which is U-shaped in cross section and open to the forme cylinder 1.
  • the gap 15 is closed with a suitable filling material, which of course must be resistant to the printing inks.
  • the resulting gap cavity 9 is from the front side of the forme cylinder 1 ( Figure 2) via one or more arranged in its bearing cheeks 10 inlets 11 with flowable and curable material, eg. B. thermoplastics or curable reactive resins filled.
  • a metering device 12 for example a metering piston, is provided for the thermoplastic material or for the reactive resins.
  • the filling material used here can advantageously be hot-melt adhesive based on, for example, polyvinyl acetate, polyamide, polyester or thermoplastic plastics, such as polyolefins, styrene-butadiene block copolymers, etc. such as As epoxy resins, acrylate resins, isocyanate resins, silicone resins, UP resins, etc. are well suited.
  • the ends of the rotogravure plate can be treated with an adhesion promoter for better adhesion of the filling material.
  • a faster curing of the reaction resins used as filler material can be achieved by treating the plate ends with an activator or catalyst.
  • thermoplastic plastics by cooling the molten polymers, in the case of thermosetting reactive resins by suitable heat, the heat sources being able to be arranged inside or above the gap cavity 9, and in the case of light-curable reactive resins by irradiation with actinic light, whereby the usual radiation sources for actinic light can be used.
  • the gap cavity 9 is to be turned radially inwards, ie. H. towards the cylinder center, closed.
  • This closure of the gap cavity 9 radially inward can be accomplished and ensured by purely design features of the forme cylinder 1.
  • a sealing element 13 (FIG. 3) which extends over its entire length in the gap cavity 9.
  • This sealing element 13 can be compact or, as shown in the drawing, a, preferably round in cross-section, hollow body, for. B. a hose made of silicone rubber.
  • Such hollow bodies can be connected to a pressure medium source via a further feed (not shown in the drawing) and can thus be inflatable. As a result, both a secure and reliable seal can be achieved and any shrinkage of the filling material that occurs during curing can be compensated for. If a discharge is also provided for the cabbage body 13, this can also be switched into a pressurized heating or coolant circuit in order, depending on the filler material used, to additionally determine the flow behavior of the filler material when filling the gap cavity 9 and / or the hardening of the filler material to control and influence after filling the gap cavity 9.
  • the hollow body 13 is provided along the gap with one or more small openings opening into the gap cavity 9, through which the filling material from the hollow body 13 can enter the gap cavity 9.
  • the filler material is introduced into the gap cavity 9 through an opening which is located approximately in the center of the hollow body 13 in relation to its length.
  • the hollow body 13 is connected to the metering device 12 (FIG.
  • a further embodiment according to the invention for closing the gap 15 consists in that, instead of a flowable filling material, a deformable and hollow profile body 14 (FIG. 4) made of thermoplastic material is introduced into the gap cavity 9 and extends over its entire length.
  • the profile body is connected via a feed in the bearing cheek 10 to a pressurized heating medium source, so that the jacket of the profile body is pressed into the gap 15 between the end sections 5 of the gravure printing plate 3 and cures there.
  • the pressure build-up in the profile body can also by any pressure generating and transmitting medium, for. B. by compressed air, the heating of the profile jacket then z. B. via the pressure piece 7.
  • the pressure piece which in this case, for. B. may consist of steel or aluminum, provided with channels 16 which extend over the entire length of the gap cavity 9 and are connected to a heating medium circuit.
  • This configuration of the pressure piece can also advantageously be used for the other process variants and arrangements described above, in particular in the case of flowable, thermoplastic or thermosetting filling materials, where coolants can also be used where appropriate.
  • an electrical heater for example a resistance heater or inductive heater, can also be provided.
  • a radiation source 17 for actinic light for example a fluorescent tube (FIG. 5), which extends over the entire length of the gap cavity 9, can also be arranged in the pressure piece 7, which is particularly recommended when using light-curable filling materials.
  • the pressure piece 7 consists, for example, of a support 18 which is U-shaped in cross section and open to the forme cylinder 1 and in which the radiation source 17 is held.
  • the translucent film to be used as the surface piece 6 or, in particular, firm, elastic plate between the two legs of the carrier 18 is bent in a line of curvature or pressed firmly against the surface of the jacket, which exactly corresponds to the curvature of the surface of the end sections 5 of the gravure printing plate 3 corresponds.
  • the cavity 19 of the open carrier 18 can also be made with a material which is particularly permeable to actinic light, e.g. B. a resin. If, when covering the gap 15, a shaped piece with a fixed support surface 8 is used as the pressure piece 7 (similar to that shown in FIG. 1), then when a radiation source 17 (FIG. 5) is arranged in this shaped piece, at least the support surface 8 is made of one that is transparent to actinic light To form material.
  • the pressure piece 7 can in principle be formed from any materials, in addition to metals, in particular plastic materials.
  • the gap of a gravure winding plate clamped on a forme cylinder can be closed in a simple manner in such a way that no problems, in particular with regard to the doctor blade behavior or gap impression, are observed in rotary or rotary rotogravure printing.
  • image information in the form of color-receiving cells for example by mechanical or laser engraving, can also be introduced into the gap area.
  • the method according to the invention is simple to carry out and the arrangement for carrying it out is characterized by quick and efficient handling, without the need to remove the forme cylinder from the printing press.
  • all known and customary intaglio winding plates which can be clamped onto the forme cylinder of a sheet or roller rotogravure printing machine, can be used, such as, for B. the conventional gravure plates made of metal with Ballard skin or particularly advantageous gravure plates with plastic printing layers, in which a plastic layer is applied to a suitable printing layer support, into which the ink-receiving depressions (wells), whether by mechanical engraving or laser engraving (see e.g. DE-A-2 752 500 or DE-A-3 028 098) or photomechanically by imagewise exposure and development of a suitable light-sensitive recording material (see e.g.
  • rotogravure plates are therefore to be understood as meaning both winding plates with well-formed cups and blanking plate blanks in which the cups have not yet been formed.
  • the gap between the plate ends can be filled again by mechanical processing or by tearing open a previously inserted wire.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Prostheses (AREA)
  • Handling Of Sheets (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Float Valves (AREA)
  • Pens And Brushes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Processing Of Meat And Fish (AREA)
EP84102368A 1983-03-12 1984-03-05 Verfahren und Anordnung zum Verschliessen des Spaltes zwischen den Enden einer auf einen Formzylinder aufgespannten Tiefdruckplatte Expired EP0118866B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102368T ATE38802T1 (de) 1983-03-12 1984-03-05 Verfahren und anordnung zum verschliessen des spaltes zwischen den enden einer auf einen formzylinder aufgespannten tiefdruckplatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3308807 1983-03-12
DE3308807 1983-03-12

Publications (3)

Publication Number Publication Date
EP0118866A2 EP0118866A2 (de) 1984-09-19
EP0118866A3 EP0118866A3 (en) 1986-02-19
EP0118866B1 true EP0118866B1 (de) 1988-11-23

Family

ID=6193258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102368A Expired EP0118866B1 (de) 1983-03-12 1984-03-05 Verfahren und Anordnung zum Verschliessen des Spaltes zwischen den Enden einer auf einen Formzylinder aufgespannten Tiefdruckplatte

Country Status (8)

Country Link
US (1) US4515375A (enrdf_load_stackoverflow)
EP (1) EP0118866B1 (enrdf_load_stackoverflow)
JP (1) JPS59169863A (enrdf_load_stackoverflow)
AT (1) ATE38802T1 (enrdf_load_stackoverflow)
CA (1) CA1221269A (enrdf_load_stackoverflow)
DE (1) DE3475285D1 (enrdf_load_stackoverflow)
DK (1) DK159251C (enrdf_load_stackoverflow)
ES (1) ES8501311A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022100885A1 (de) 2022-01-17 2023-07-20 Koenig & Bauer Ag Formzylinder mit einer Haltevorrichtung und Verfahren zum Spannen und/oder Entspannen einer Auftragsform auf dem Formzylinder

Families Citing this family (28)

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DE3433046A1 (de) * 1984-09-08 1986-03-20 Basf Ag, 6700 Ludwigshafen Verfahren zum verschliessen des spaltes zwischen den enden von auf formzylindern aufgespannten tiefdruckplatten
DE3433045A1 (de) * 1984-09-08 1986-03-20 Basf Ag, 6700 Ludwigshafen Lichthaertbare verschlussmasse, insbesondere zum verschliessen des spaltes zwischen den enden von auf formzylinder aufgespannten tiefdruckplatten
DE3434670A1 (de) * 1984-09-21 1986-04-03 Basf Ag, 6700 Ludwigshafen Vorrichtung zum belegen eines formzylinders mit einer wickelplatte
DE3512776A1 (de) * 1985-04-10 1986-10-16 Wolfgang 6450 Hanau Postel Druckwalze
EP0211450B1 (fr) * 1985-07-26 1989-05-24 De La Rue Giori S.A. Procédé et installation de fixation de plaques d'impression sur un cylindre porte-plaques
DE3540581A1 (de) 1985-11-15 1987-05-21 Roland Man Druckmasch Druckwerkzylinder mit einem in dessen zylindergrube angeordneten fuellstueck
DE3616425A1 (de) * 1986-05-15 1987-11-19 Basf Ag Vorrichtung zum spannen von druckplatten
FR2598972A1 (fr) * 1986-05-23 1987-11-27 Olivier Bertrand Dispositif de fixation et de tension des plaques d'impression sur les cylindres d'une rotative.
DE3702032A1 (de) * 1987-01-24 1988-08-04 Basf Ag Vorrichtung zum spannen von druckplatten
DE8703987U1 (de) * 1987-03-17 1987-06-11 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung an einer Rotationstiefdruckmaschine zur spanenden Nachbehandlung
DE3710146A1 (de) * 1987-03-31 1988-10-13 Basf Ag Verfahren zum verschliessen und/oder abdichten von oeffnungen, hohl- oder zwischenraeumen bei auf formzylindern aufgebrachten druckplatten
DE3727115A1 (de) * 1987-08-14 1989-02-23 Basf Ag Vorrichtung zum verschliessen des spaltes zwischen den enden einer auf einen formzylinder aufgespannten tiefdruckplatte
IT1231223B (it) * 1987-09-11 1991-11-26 Cerutti Spa Off Mec Metodo per giuntare le estremita' di una lastra per la stampa rotativa e giunzione cosi' ottenuta
DE3736180A1 (de) * 1987-10-26 1989-05-03 Basf Ag Verfahren zum verschliessen und/oder abdichten von oeffnungen, hohl- oder zwischenraeumen bei auf formzylindern aufgebrachten druckplatten
DE4102858A1 (de) * 1990-03-08 1991-09-12 Heidelberger Druckmasch Ag Druckwerkszylinder fuer rotationsdruckmaschinen
DE19602102A1 (de) * 1996-01-22 1997-07-24 Heidelberger Druckmasch Ag Vorrichtung zum Aufbringen eines Drucktuches auf einen Gummituchzylinder einer Rotationsdruckmaschine
DE19652521C1 (de) * 1996-12-17 1998-03-26 Wifag Maschf Kanalabdeckung für einen Zylinderkanal eines Zylinders in einer Offsetdruckmaschine
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
WO2002040272A1 (de) * 2000-11-15 2002-05-23 Mdc Max Daetwyler Ag Verfahren zur herstellung von rasternäpfchen in einer tiefdruckform und in dem verfahren verwendbarer grundkörper
US6530317B2 (en) * 2000-12-05 2003-03-11 Creo Srl Method to engrave surface using particle beam
ITMI20011164A1 (it) * 2001-05-31 2002-12-01 Cielle Imballaggi Di Tommaso L Metodo per la produzione di maniche per stampa flessografica e manicaottenuta
JP2006500248A (ja) * 2002-09-26 2006-01-05 マシーネンファブリーク・ヴィファグ 印刷機の胴の可撓性胴巻きを締め付ける締め付け装置
AU2003299285A1 (en) * 2002-12-16 2004-07-09 Contitech Elastomer-Beschichtungen Gmbh Printing blanket assembly and method for producing said printing blanket assembly
JP3878622B2 (ja) * 2004-05-19 2007-02-07 株式会社東京機械製作所 ブランケット胴の埋め部材
CN100417521C (zh) * 2005-02-23 2008-09-10 吴广顺 单张纸凹印机版滚筒的制造方法
DE102007047172A1 (de) * 2007-10-02 2009-04-09 Manroland Ag Gummisleeve
DE102011001315A1 (de) * 2011-03-16 2012-09-20 Contitech Elastomer-Beschichtungen Gmbh System, bestehend aus einem Drucktuchzylinder und einem Drucktuch
US20140020583A1 (en) * 2012-07-17 2014-01-23 Avi Barazani Adaptable impression drum

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022100885A1 (de) 2022-01-17 2023-07-20 Koenig & Bauer Ag Formzylinder mit einer Haltevorrichtung und Verfahren zum Spannen und/oder Entspannen einer Auftragsform auf dem Formzylinder

Also Published As

Publication number Publication date
ES530516A0 (es) 1984-11-16
DK159251C (da) 1991-02-18
DK136084D0 (da) 1984-02-29
EP0118866A3 (en) 1986-02-19
ATE38802T1 (de) 1988-12-15
EP0118866A2 (de) 1984-09-19
ES8501311A1 (es) 1984-11-16
DE3475285D1 (en) 1988-12-29
CA1221269A (en) 1987-05-05
US4515375A (en) 1985-05-07
DK136084A (da) 1984-10-03
DK159251B (da) 1990-09-24
JPS59169863A (ja) 1984-09-25
JPH0324898B2 (enrdf_load_stackoverflow) 1991-04-04

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