EP0185421A1 - Rotationsdruckmaschine für indirekten mehrfarbigen Schön- und Widerdruck - Google Patents

Rotationsdruckmaschine für indirekten mehrfarbigen Schön- und Widerdruck Download PDF

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Publication number
EP0185421A1
EP0185421A1 EP19850202000 EP85202000A EP0185421A1 EP 0185421 A1 EP0185421 A1 EP 0185421A1 EP 19850202000 EP19850202000 EP 19850202000 EP 85202000 A EP85202000 A EP 85202000A EP 0185421 A1 EP0185421 A1 EP 0185421A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cylinders
blanket
plate
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.)
Granted
Application number
EP19850202000
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English (en)
French (fr)
Other versions
EP0185421B1 (de
Inventor
Manuel Hernandez
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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
Priority claimed from CH598884A external-priority patent/CH663582A5/fr
Application filed by De la Rue Giori SA filed Critical De la Rue Giori SA
Priority to AT85202000T priority Critical patent/ATE41359T1/de
Publication of EP0185421A1 publication Critical patent/EP0185421A1/de
Application granted granted Critical
Publication of EP0185421B1 publication Critical patent/EP0185421B1/de
Expired legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/04—Rotary letterpress machines for printing on webs
    • B41F5/16—Rotary letterpress machines for printing on webs for multicolour printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/02—Rotary intaglio printing presses for multicolour printing

Definitions

  • the invention relates to an indirect multi-color rotary printing machine for simultaneous two-sided printing, in particular for printing the security background of fiduciary papers and in particular banknotes, according to the preamble of claim 1 .
  • Machines of this type are already known for simultaneous two-sided offset printing (CH-A-502 897) in which the paper passes between two blanket cylinders, each receiving a multicolored image of several corresponding offset plate cylinders .
  • These plates are wet offset plates wetted by a wetting device in the case of wet offset printing or, dry offset plates consisting of letterpress plates in the case of dry offset printing, also called indirect letterpress printing.
  • the complete design is composed of partial designs carried by offset printing plates mounted on plate cylinders which are inked in different colors so as to allow the superimposition of designs and colors in register with each other on a blanket cylinder against which the paper to be printed is pressed.
  • This offset printing is often used to print banknote security funds.
  • the number of colors that can be transferred by these printing machines to one side of the paper has generally been limited to four. This is mainly due to a problem space available around the cylinders. This space does not allow going beyond four inking systems per cylinder.
  • offset printing if the number of superimposed ink layers of different colors becomes too great, the total ink layer thickens and the poor quality of the transferred image results; we even noticed that if we go beyond four colors the ink film is too thick and the contact of the blanket cylinder with the following offset plate cylinder risks partially tearing off the film. ink previously applied instead of applying the new film.
  • the present invention proposes to create an indirect multicolored two-sided printing machine which makes it possible to increase the number of colors transferred on at least one side of the paper compared to the machines known up to now and which offers both the possibility to operate on at least one side of the paper, as desired, the offset printing or collective printing process, supplemented by several additional offset prints, ensuring the transition from one process to the other in the most simple.
  • the machine is characterized by the characterizing clause of claim 1, and the method for putting the machine into action, by the characterizing clause of claim 9.
  • the blanket cylinder, on which the six colors are united already receives several colors, for example four, by means of the convertible cylinder 15, as a multicolored design.
  • the convertible cylinder carries a smooth layer, in particular a rubber blanket and functions as a cylinder for transmitting the offset image in three or four colors, the layers thereof, when transferring from one cylinder to another , are distributed over the affected cylinders and are slightly flattened; therefore, the multicolored image transferred to the blanket cylinder bringing together the six colors therefore forms a layer of ink of approximately normal thickness on which two or three other layers of ink will be superimposed, each forming other partial images. So in the case of printing in six colors there is on the blanket cylinder on which they are combined only a superposition of three or four layers of ink. The same reasoning is valid if the convertible cylinder carries the collector printing plate because on it the four colors are juxtaposed.
  • the arrangement of the cylinders is such that the three blanket cylinders are at least approxi matively vertically on top of each other and the path of the paper through the machine is at least approximately horizontal. If it is a web printing machine and the paper has to be dried after printing, it is possible to install a drying device next to this machine, such as the ribbon which does not could not be guided by a roller can pass directly horizontally through this drying device.
  • the first two blanket cylinders are arranged horizontally adjacent to each other while one of them, the convertible cylinder and the third blanket cylinder are arranged at least approximately on top of each other, the paper path being vertical.
  • This configuration facilitates access to the cylinders and clears the periphery of the second blanket cylinder, thus making it possible to provide around this cylinder, for example three pprte-plate cylinders if the diameter of the blanket cylinders and the diameter of the cylinders plates have a ratio of 4: 1.
  • the paper strip 1 follows an at least approximately horizontal trajectory and passes between two blanket cylinders 2 and 3, installed in a main frame 23, and serving mutually as a back-pressure cylinder.
  • the first blanket cylinder 2. intended to print on one side of the paper 1 the first image according to offset printing, is arranged approximately vertically above the second blanket cylinder 3 intended to print the second image on the other side of the paper 1.
  • the first blanket cylinder 2 cooperates, according to FIG. 1, with four plate cylinder 4a, 4b, 4c, 4d, housed in the main frame 23, three of these cylinders 4b, 4c, 4d are equipped, in the example considered, each of a dry offset printing plate. formed by a typographic plate, each inked by an inking device 5b, 5c, 5d with double inkwell which allows printing in iris; the fourth offset plate cylinder 4a carries a printing plate wet offset inked by an inking device 5a with simple inkwell and provided with a wetting device 6 for the creation of a design in wet offset printing.
  • the inking devices are arranged symmetrically on either side of the blanket cylinder 2, the inking devices 5a, 5b being mounted on a movable carriage 7 and the inking devices 5c, 5d on a mobile carriage 8. These two mobile carriages 7, 8 on the two sides of the blanket cylinder 2, are suspended by rollers 9, respectively 10, on a horizontal beam 11 of the main frame 23.
  • These four offset plates 4a to 4d represent partial drawings which are inked in different colors and are combined on the blanket cylinder 2 functioning as an offset blanket cylinder, on which the multicolored image with superimposed colors is composed, in particular a safety background in the case of Bank notes. This image is transferred to one of the sides of the paper 1, in the example considered on the upper side, where a dry offset printing in three colors is thus obtained, supplemented by a monochrome wet offset printing.
  • the upper part of the machine is therefore an offset printing machine, however having the particularity that the plate cylinders 4a to 4d distributed on the two sides all contribute to printing on the same side of the paper.
  • the elements of the machine for producing either a combination of offset printing - "Orlof", a six-color offset printing.
  • These elements include the blanket cylinder 3 acting as an offset blanket cylinder which cooperates with two plate cylinders 12a, 12b and a convertible cylinder 15, which will be explained later.
  • the cylinder 12a carries a wet offset plate inked by an inking device 13a, provided with a wetting device 14.
  • the cylinder 12b, on the other side carries a dry offset plate inked by an inking device 13b.
  • the convertible cylinder '15 is in contact with a third blanket cylinder 16, the blanket cylinders 3 and 16 having the same diameter as the blanket cylinder 2, and the axes of the three cylinders 2, 3 and 16 being approximately in the same vertical plane.
  • This blanket cylinder 16 cooperates, in the example illustrated, with four plate cylinders 17a to 17d each inked by means of an inking device 18a to 18d with double inkwell, which gives the possibility of printing in iris.
  • the convertible cylinder 15 carries a collector printing plate, also called "Orlof" printing plate, consisting of a typographic plate representing a drawing to be inked with four colors juxtaposed, and the cylinders carries -plates 17a to 17d carry color selector plates. These selector plates have reliefs cut along the contour of the areas to be printed in the respective color and are inked in the respective color by the corresponding inking device 18a to 18d. These plates select trices of the cylinders 17a to 17d are preferably made of hard material which does not risk deforming even if the relief is very fine, thus making it possible to obtain, in the case of tickets, a security background composed of very fine colored zones .
  • the zones of the four colors are transferred to the blanket cylinder 16 which functions as a color collecting cylinder, on which they are joined and which inks in four colors juxtaposed the collecting printing plate of the convertible cylinder 15. This transfers this multicolored design on the blanket cylinder 3.
  • the blanket cylinder 3 therefore collects a combined "Orlof" -Offset image in six colors which is transferred to the lower side of the paper 1, while the upper face simultaneously receives the offset image in four colors. From this six-color image, four colors form a juxtaposed "Orlof” image representing only a layer of ink of normal thickness; the two other colors coming from the plate cylinders 12a, 12b are superimposed on this partial image "Orlof" in the manner of an offset printing.
  • the maximum ink thickness on the blanket cylinder 3 therefore corresponds to three layers of ink.
  • the convertible cylinder 15 is an image transmission cylinder and for this purpose comprises a smooth layer, preferably a rubber blanket, and the plate cylinders 18a to 18d carry plates d dry offset printing.
  • the offset image in four colors gathered on the blanket cylinder 16 is transferred by through the convertible cylinder 15 to the blanket cylinder 3 to which are added by the plate cylinders 12a, 12b two other offset designs, which results in a six-color offset image printed on the underside of the paper.
  • the blanket cylinders 3 and 16, the plate cylinders 12a, 12b, and 17a to 17d, which are distributed on either side of the blanket cylinder 3, respectively 16, as well as the convertible cylinder 15, are all housed in the main frame 23, like the blanket cylinder 2 and the plate cylinders 4a to 4d.
  • the inking devices 13a, 18a, 18b are installed on a mobile carriage 19 located below the mobile carriage 7 and rolling on casters 21, while the inking devices 13b, 18c and 18d are installed on a mobile carriage 20 located below the movable carriage 8 and rolling on casters 22.
  • the paper tape 1 On leaving the machine, the paper tape 1, the trajectory of which is always horizontal, passes in front of a drying device, for example an ultraviolet drying device comprising an upper unit 24 and a lower unit 25 each provided with a protective plate 26 respectively 27 on the other side of the paper.
  • a drying device for example an ultraviolet drying device comprising an upper unit 24 and a lower unit 25 each provided with a protective plate 26 respectively 27 on the other side of the paper.
  • This drying is generally necessary if the paper then passes through at least one other printing unit to create a multicolored main design in the case of a ticket.
  • the diameter of the blanket cylinders 2, 3 and 16 and the diameter of the plate cylinders and the convertible cylinder have a ratio of 3: 1.
  • the arrangement of the machine elements remains the same. but the various inking devices are distributed on two mobile carriages only instead of four, an anterior carriage 28 which carries all the inking devices for the plate cylinders 4a, 4b, 12a, 17a, 17b and a rear carriage 29, which carries all the inking devices for the plate cylinders 4c, 4d, 12b, 17c, 17d, the path of the paper passing through said carriages 28. 29 whose frame has the necessary free space.
  • the first two block-holder cylinders 2 and 3 are arranged horizontally, adjacent to each other, while the third blanket cylinder 16 and the convertible cylinder 15 are arranged at least approximately vertically one on top of the other, above the second blanket cylinder 3:
  • the paper 1 follows an at least approximately vertical trajectory.
  • the blanket cylinders are more accessible and a larger part of the periphery of the cylinder 3 is available for installing more plate cylinders.
  • the representation of the inking devices only the inkwells proper and the inking rollers which touch the plate cylinders are shown, eliminating all the intermediate rollers.
  • the first blanket cylinder 2 which prints one side of the paper 1 cooperates with four plate cylinders 4a to 4d, each inked by a double ink pad 5b to 5d, and single ink pad 5a for the plate cylinder 4a which is provided with a wetting device 6.
  • These inking devices 5a to 5d are mounted on a movable inking carriage 31.
  • the second blanket cylinder 3 cooperates with three door cylinders -plates 12a to 12c provided with their respective inking device 13a to 13c, the inking device 13a being completed by a wetting device 14 for the plate cylinder 12a.
  • the third blanket cylinder 16 also cooperates with three plate cylinders 17a to 17c inked by their - inking device 18a to 18c.
  • the inking devices 13a to 13c and 18a to 18c are mounted on another mobile inking carriage 30.
  • the diameter of the blanket cylinders 2, 3 and 16 and the diameter of the Plate cylinders and convertible cylinder 15 have a 4: 1 ratio. If necessary, in the hands one of the blanket cylinders 3 and 16 could also be inked by four plate-carrying cylindras, therefore with four colors.
  • all the plate cylinders cooperating with the blanket cylinders 2 and 3 are all equipped with dry or wet offset plates, or partly dry, partly wet.
  • the plate cylinders 4a and 12a, or at least one of the two comprises a hollow plate, the surface of which is wetted in the manner of a wet offset plate by a wetting device 6, respectively 14, so that the surface of the plate outside the sizes repels the ink.
  • the quality of such intaglio printing makes it suitable for creating a main design on banknotes.
  • the security funds can therefore be printed on both sides in four, respectively six, colors. If we use an intaglio printing plate representing the main drawing, we obtain a complete printing with the backgrounds in three, respectively five colors and the main monochrome drawing. This is suitable for lower value banknotes for which a monochrome main design is considered sufficient. To apply multicolored main designs, the tickets then pass through another machine printing, especially in an intaglio printing machine.
  • the passage of the paper tape could be reversed without any modification of the machine, apart from the location of the drying device.
  • these machines could be sheet printing machines and in this case guide members for the sheets should be provided and one of the blanket cylinders 2 or 3 should be equipped with grippers for gripping the leaves.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
EP85202000A 1984-12-18 1985-12-02 Rotationsdruckmaschine für indirekten mehrfarbigen Schön- und Widerdruck Expired EP0185421B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85202000T ATE41359T1 (de) 1984-12-18 1985-12-02 Rotationsdruckmaschine fuer indirekten mehrfarbigen schoen- und widerdruck.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH5988/84 1984-12-18
CH598884A CH663582A5 (en) 1984-12-18 1984-12-18 Machine for indirect multicolour printing on the reel for simultaneous recto-verso printing
CH4438/85 1985-10-15
CH443885 1985-10-15

Publications (2)

Publication Number Publication Date
EP0185421A1 true EP0185421A1 (de) 1986-06-25
EP0185421B1 EP0185421B1 (de) 1989-03-15

Family

ID=25695473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85202000A Expired EP0185421B1 (de) 1984-12-18 1985-12-02 Rotationsdruckmaschine für indirekten mehrfarbigen Schön- und Widerdruck

Country Status (5)

Country Link
US (1) US4766809A (de)
EP (1) EP0185421B1 (de)
AU (1) AU572367B2 (de)
CA (1) CA1282637C (de)
DE (1) DE3568726D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351366A2 (de) * 1988-07-13 1990-01-17 De La Rue Giori S.A. Kombinierte Bogenrotationsdruckmaschine für Wertscheine, insbesondere Banknoten

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE98558T1 (de) * 1988-05-18 1994-01-15 De La Rue Giori Sa Mehrfarbenrotationsdruckmaschine zum gleichzeitigen schoen- und widerdruck.
EP0352520B1 (de) * 1988-07-27 1995-03-22 GALAXY Media Systems Werbemittel GmbH Verfahren zum Bedrucken von Bedruckstoffen im Offsetdruck
JP2602488B2 (ja) * 1989-05-30 1997-04-23 株式会社 東京機械製作所 両面多色印刷機
GB9318565D0 (en) * 1993-09-07 1993-10-20 Upton Mechanical Design Limite Colour printing
SE507819C2 (sv) * 1994-02-09 1998-07-20 Tetra Laval Holdings & Finance Tryckverk för en rotationstryckpress med i en separat ram vertikalt och roterbart anordnade cylindrar
SE507816C2 (sv) * 1994-02-09 1998-07-20 Tetra Laval Holdings & Finance Rotationstryckpress uppbyggd kring ett balkverk från vilket tryckverket hänger ned
DE19719624C1 (de) * 1997-05-09 1998-06-10 Heidelberger Druckmasch Ag Bogenrotationsdruckmaschine
JP2001310447A (ja) * 2000-04-28 2001-11-06 Komori Corp 輪転印刷機のインキ装置
US7523704B2 (en) * 2007-01-19 2009-04-28 Julius Domotor Lithographic offset press and lithographic offset press printing method
DE102013217948B4 (de) * 2013-09-09 2016-05-12 Koenig & Bauer Ag Druckmaschine für den Wertpapierdruck mit einem Orlof-Offsetdruckwerk
EP2998117A1 (de) 2014-09-19 2016-03-23 KBA-NotaSys SA Farbwerk einer Druckermaschine, Druckmaschine und Verfahren zur Herstellung einer Heberwalze
GB201520085D0 (en) 2015-11-13 2015-12-30 Rue De Int Ltd Methods of manufacturing image element arrays for security devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423165A (en) * 1921-10-07 1922-07-18 Linotype Machinery Ltd Rotary lithographic printing machine for direct or offset printing
EP0132857A1 (de) * 1983-07-26 1985-02-13 De La Rue Giori S.A. Kombinierte Bogenrotationsdruckmaschine
EP0133328A1 (de) * 1983-07-26 1985-02-20 De La Rue Giori S.A. Rotationsmehrfarbendruckmaschine
BE901557A (fr) * 1985-01-24 1985-05-17 De La Rue Giori Sa Machine d'impression rotative multicolore pour l'impression recto-verso simultanee.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056056A (en) * 1973-03-21 1977-11-01 De La Rue Giori S.A. Rotary printing press
DE3109963A1 (de) * 1981-03-14 1982-12-02 Koenig & Bauer AG, 8700 Würzburg "sammeldruck-rotationsmaschinendruckwerk fuer wertpapierdruck"
DE3109964A1 (de) * 1981-03-14 1982-12-02 Koenig & Bauer AG, 8700 Würzburg "sammeldruck-rotationsmaschinendruckwerk fuer wertpapierdruck"
AU550695B2 (en) * 1982-04-07 1986-03-27 De La Rue Giori S.A. Copperplate engraving machine for paper currency
US4509424A (en) * 1982-04-22 1985-04-09 De La Rue Giori S.A. Convertible, multicolor, rotary printing press
ATE39087T1 (de) * 1983-07-26 1988-12-15 De La Rue Giori Sa Rotationsmehrfarbendruckmaschine.
ATE30873T1 (de) * 1983-07-26 1987-12-15 De La Rue Giori Sa Rotationsmehrfarbendruckmaschine.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1423165A (en) * 1921-10-07 1922-07-18 Linotype Machinery Ltd Rotary lithographic printing machine for direct or offset printing
EP0132857A1 (de) * 1983-07-26 1985-02-13 De La Rue Giori S.A. Kombinierte Bogenrotationsdruckmaschine
EP0133328A1 (de) * 1983-07-26 1985-02-20 De La Rue Giori S.A. Rotationsmehrfarbendruckmaschine
BE901557A (fr) * 1985-01-24 1985-05-17 De La Rue Giori Sa Machine d'impression rotative multicolore pour l'impression recto-verso simultanee.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351366A2 (de) * 1988-07-13 1990-01-17 De La Rue Giori S.A. Kombinierte Bogenrotationsdruckmaschine für Wertscheine, insbesondere Banknoten
EP0351366A3 (en) * 1988-07-13 1990-08-01 De La Rue Giori Sa Combined rotary sheet printing press for papers of value, particularly bank notes

Also Published As

Publication number Publication date
US4766809A (en) 1988-08-30
DE3568726D1 (en) 1989-04-20
AU572367B2 (en) 1988-05-05
EP0185421B1 (de) 1989-03-15
CA1282637C (en) 1991-04-09
AU5045385A (en) 1986-06-26

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