EP0619192A1 - Druckplatte - Google Patents

Druckplatte Download PDF

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Publication number
EP0619192A1
EP0619192A1 EP94810136A EP94810136A EP0619192A1 EP 0619192 A1 EP0619192 A1 EP 0619192A1 EP 94810136 A EP94810136 A EP 94810136A EP 94810136 A EP94810136 A EP 94810136A EP 0619192 A1 EP0619192 A1 EP 0619192A1
Authority
EP
European Patent Office
Prior art keywords
printing
printing plate
ink
plate according
design
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
EP94810136A
Other languages
English (en)
French (fr)
Other versions
EP0619192B1 (de
Inventor
Fausto Giori
Gianfranco Foresti
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
Application filed by De la Rue Giori SA filed Critical De la Rue Giori SA
Publication of EP0619192A1 publication Critical patent/EP0619192A1/de
Application granted granted Critical
Publication of EP0619192B1 publication Critical patent/EP0619192B1/de
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
    • 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
    • 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
    • B41N3/00—Preparing for use and conserving printing surfaces

Definitions

  • the invention relates to a printing plate having at least one raised printing part intended to be inked over its entire surface and to the image obtained by this plate.
  • security inks in particular optically variable inks, known under the acronym OVI (optically variable ink ), which have the distinction of changing color depending on the viewing angle.
  • OVI optically variable ink
  • the object of the invention is to create a printing plate for the production of a security drawing which is difficult to falsify during the manufacture of securities, in particular banknotes, and in particular making it possible to use inks without loss. special, in particular optically variable inks, for printing this safety drawing.
  • the printing plate according to the invention is characterized in that the raised printer part includes at least one engraved hollow design intended to be filled with the same ink as that used for inking the printer part. in relief.
  • a security design printed, in particular on a bank note having any configuration, for example square, rectangular or circular, and composed of the combination of a uniform background of a given color and, on this background, a drawing with ink relief, of the same color, thanks to the hollow drawing engraved on the printer part.
  • This relief drawing has the appearance of an intaglio printing but is inked and printed according to the letterpress printing, therefore without wiping, which is less complicated than the intaglio printing process and more economical.
  • Another advantage resulting from this printing plate is, in the case where very expensive special inks are used, that it makes it possible to use this ink in a much more economical than so far.
  • the image obtained by the printing plate according to the invention is characterized in that it has a uniform inking pattern corresponding to the contour of the printer part in relief and, superimposed thereon, a drawing which projects , same ink and same color, corresponding to the intaglio drawing.
  • the sector of the printing plate 1 represented in FIGS. 1 and 2 comprises, in the example considered, two raised parts 2 whose surface 3 is printing.
  • this printer surface 3 is provided an engraved drawing composed of sizes 4, as on an intaglio plate.
  • this engraved design is in the form of a horizontal eight and will result on the sheet a corresponding printed image with ink relief.
  • the surface of the printer part 3 has a granulated structure 3a composed of weft dots regularly distributed, as illustrated on the right part of FIG. 1.
  • the bottom 4a of sizes 4 can also present a linear frame.
  • the height of the raised portions 2 can vary between 200 and 1000 ⁇ m.
  • the depressions of the granulated structure 3a preferably have a depth between 5 and 30 ⁇ m and the sizes 4 of the engraved design are deeper than the depressions of the granulated structure, their depth being, for example, between 20 and 80 ⁇ m.
  • the depth of the sizes must be greater than the depth of the depressions of the granulated structure. In the case where the depressions of the granulated structure have a depth close to 30 ⁇ m, the depth of the sizes is obviously greater than 30 ⁇ m.
  • the inking of such a printing plate according to the invention is made uniformly over the entire surface with a conventional inking roller, as used for letterpress printing, or also with an inking roller, as used for intaglio printing, therefore a template roll, so that the entire surface 3 of the raised printing part is covered with ink and the sizes of the engraved design are well filled, but without subsequent wiping.
  • the ink thickness on the raised printing parts can preferably vary between 7 ⁇ m and 30 ⁇ m.
  • the manufacture of such printing plates can preferably be carried out as follows: starting from a metal plate, for example brass, we start by producing the engraved drawing made up of more or less deep sizes 4 and then we define the configuration of the safety drawings which have, for example, a rectangular outline and we remove all the material from the plate outside these configurations which have been defined, in such a way that only the desired raised portions 2 are left.
  • the surface of the security design is granulated
  • this frame preferably being produced only on the regions which will later form the raised parts, and then we create, in this frame, the sizes of the engraved design.
  • a mixed printing plate with a zone 5 comprising the raised printer part 2, the printer surface 3 of which is provided with sizes 4 defining the engraved design and a corresponding zone 6 to a conventional letterpress plate having several printing parts in relief with a smooth surface.
  • area 5 is inked with optically variable ink, and area 6 with normal ink, both without wiping.
  • a printing plate is obtained with which one or more security drawings distributed can be easily printed on the printing of a security paper having a background of security and a main design; in general, we limit our to a security zone by printing.
  • the printing plate according to the invention is not limited to use with special inks, but can obviously be used with any type of ink to create in a single pass and with the same ink a background uniform on which is placed a drawing which projects.
  • Such a three-dimensional relief drawing having the appearance of an intaglio print and which projects from a uniform background inked in the same color is difficult to falsify. If, in addition, optically variable ink is used, the two-color effect is reinforced by the fact that under the same viewing angle we see the reliefs of the drawing having facets of different orientations which consequently give aspects of different colors according to said guidelines.
  • the printing surface outside the relief drawing can be, as mentioned, smooth and uniform.
  • the security effect is however reinforced if this printing surface has a granulated structure and is in particular treated according to the process of half-engraving also called autotypy, known per se, to produce a screen.
  • the advantages of such a screen background are a better attraction of the ink and an increase in the complexity of the security design.
  • the two-color effect on the entire printing surface is reinforced because the granulated structure, respectively the screen, also contain reflection facets of different orientations that produce different colors.
  • Such a granulated structure in the form of a linear frame, can also be provided in the background of the sizes which form the design engraved on the printing plate, regardless of whether the printing surface has a granulated structure or not.

Landscapes

  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Laminated Bodies (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Cleaning In Electrography (AREA)
EP94810136A 1993-04-05 1994-03-03 Druckplatte Expired - Lifetime EP0619192B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1041/93 1993-04-05
CH104193 1993-04-05

Publications (2)

Publication Number Publication Date
EP0619192A1 true EP0619192A1 (de) 1994-10-12
EP0619192B1 EP0619192B1 (de) 1998-06-10

Family

ID=4201085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94810136A Expired - Lifetime EP0619192B1 (de) 1993-04-05 1994-03-03 Druckplatte

Country Status (11)

Country Link
US (1) US5435247A (de)
EP (1) EP0619192B1 (de)
JP (1) JP3445352B2 (de)
KR (1) KR100296842B1 (de)
CN (1) CN1056341C (de)
AT (1) ATE167118T1 (de)
AU (1) AU668271B2 (de)
CA (1) CA2116939C (de)
DE (1) DE69410869T2 (de)
RU (1) RU2113356C1 (de)
UA (1) UA27806C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635378A2 (de) * 1993-07-22 1995-01-25 Saint-Gobain Vitrage Hochdruckplatte und ihre Verwendung für dem Druck auf nicht absorbierenden harten Oberflächen
EP1842665A1 (de) 2006-04-04 2007-10-10 Kba-Giori S.A. Verfahren zur Herstellung von Sicherheitspapieren, Tiefdruckmaschine zur Ausführung dieses Verfahren und Sicherheitsdokument herstellbar durch dieses Verfahren

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624131A1 (de) * 1996-06-17 1997-12-18 Giesecke & Devrient Gmbh Verfahren zur Herstellung von Prägeplatten
DE19642634A1 (de) * 1996-10-16 1998-04-23 Philips Patentverwaltung Druckform für ein Rotations-Hochdruckverfahren
DE19845436C5 (de) * 1998-10-02 2015-02-26 Giesecke & Devrient Gmbh Stichtiefdruckverfahren zum Drucken von aneinander grenzenden Farbflächen unterschiedlicher Farbschichtdicke, Datenträger mit im Stichtiefdruckverfahren erzeugtem Druckbild, Druckplatte und Verfahren zum Herstellen einer Druckplatte
US7580154B2 (en) * 1999-05-14 2009-08-25 Esko Ip Nv Printing plates containing ink cells in both solid and halftone areas
US6213018B1 (en) 1999-05-14 2001-04-10 Pcc Artwork Systems Flexographic printing plate having improved solids rendition
US6731405B2 (en) 1999-05-14 2004-05-04 Artwork Systems Printing plates containing ink cells in both solid and halftone areas
DE19963849A1 (de) * 1999-12-30 2001-07-12 Giesecke & Devrient Gmbh Datenträger mit gedrucktem Sicherheitselement
DE10015097A1 (de) * 2000-03-28 2001-10-04 Giesecke & Devrient Gmbh Im Stichtiefdruck bedruckter Datenträger
KR100649722B1 (ko) * 2000-04-21 2006-11-24 엘지.필립스 엘시디 주식회사 일렉트로루미네센스 표시소자의 패터닝장치 및 이를이용한 패터닝방법
JP4009074B2 (ja) * 2001-07-13 2007-11-14 株式会社コムラテック 液晶基盤貼り合わせ用シール剤を転写するための印刷版
DE10201032A1 (de) * 2002-01-11 2003-07-24 Giesecke & Devrient Gmbh Stahltiefdruckverfahren zum Herstellen eines Sicherheitsdokuments sowie Stahltiefdruckplatte und Halbzeuge dafür und Verfahren zu deren Herstellung
EP1369230A1 (de) * 2002-06-05 2003-12-10 Kba-Giori S.A. Verfahren zur Herstellung einer gravierten Platt
US20040003734A1 (en) * 2002-07-02 2004-01-08 Shively J. Thomas Method and apparatus for printing using an electrically conductive ink
US20040229018A1 (en) * 2003-05-16 2004-11-18 Graham Paul D Complex microstructure film
US7678443B2 (en) * 2003-05-16 2010-03-16 3M Innovative Properties Company Complex microstructure film
US8132508B2 (en) 2005-04-14 2012-03-13 Esko Software Bvba Method of controlling ink film thickness on a printing plate
AT504724B1 (de) * 2005-05-13 2011-01-15 Oebs Gmbh Schablonplatte
CN102371793A (zh) * 2010-08-06 2012-03-14 住友橡胶工业株式会社 印刷物品的制造方法、印刷用版和糊料
CN104582352B (zh) * 2013-10-25 2017-06-13 富鼎电子科技(嘉善)有限公司 电子装置外壳及其采用的立体图案结构
WO2015078550A1 (de) * 2013-11-27 2015-06-04 Merck Patent Gmbh Rotationsdruckverfahren
JP6278942B2 (ja) * 2015-10-21 2018-02-14 日本航空電子工業株式会社 フレキソ印刷による絶縁膜の形成方法
DE102016002454A1 (de) * 2016-03-01 2017-09-07 Klemens Kemmerer Verfahren und Vorrichtung für den Tiefdruck
CN109143456A (zh) * 2018-11-08 2019-01-04 惠州安嵘光电产品有限公司 导光板及其制备方法
CN109377861A (zh) * 2018-12-10 2019-02-22 无锡百得包装材料有限公司 一种防伪标签和印刷防伪标签的印刷版
DE102020205495B4 (de) 2020-04-30 2023-03-09 STOMA Gesellschaft mit beschränkter Haftung Maschinen und Geräte für die graphische Industrie. Druckform, insbesondere Reliefdruckplatte, sowie Verfahren zur Herstellung derselbigen
CN112172315A (zh) * 2020-10-10 2021-01-05 彭亮 一种嵌入式缩微文字图案凹版印刷设计制作方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950684A (en) * 1929-08-20 1934-03-13 John G Mark Preparing lithographic stones
GB432716A (en) * 1934-01-29 1935-07-29 Robinson E S & A Ltd Improvements in or relating to letterpress or relief printing
US2638050A (en) * 1952-05-28 1953-05-12 Multicolor Gravure Corp Method of making printing rolls
GB866070A (en) * 1956-03-19 1961-04-26 Kemitype Ltd Improvements in or relating to printing elements
DE2048000A1 (de) * 1970-09-30 1972-04-06 Klimsch & Co Druckform für das Hochdruckverfahren
EP0227423A2 (de) * 1985-12-23 1987-07-01 Flex Products, Inc. Optische Schuppen aus dünnem Film, nachgebildeter optischer Überzug sowie Überzüge und diese enthaltende Tinten sowie Verfahren dafür

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1838218A (en) * 1928-12-26 1931-12-29 Hobart N Durham Watercolor printing
US2108822A (en) * 1935-11-11 1938-02-22 Wells A Lippincott Printing plate and formation thereof
US2789500A (en) * 1953-08-13 1957-04-23 Electrographic Corp Process of making a printing member
US3558290A (en) * 1968-04-02 1971-01-26 Union Carbide Corp Plated plastic printing plates
US3891443A (en) * 1973-02-01 1975-06-24 Polychrome Corp Mat finish photosensitive relief plates
US4152986A (en) * 1976-12-03 1979-05-08 Dadowski Gilbert F Method and apparatus for printing raised ink images
GB1585202A (en) * 1977-02-07 1981-02-25 Letraset International Ltd Relief printing plates
US5171363A (en) * 1979-12-28 1992-12-15 Flex Products, Inc. Optically variable printing ink

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1950684A (en) * 1929-08-20 1934-03-13 John G Mark Preparing lithographic stones
GB432716A (en) * 1934-01-29 1935-07-29 Robinson E S & A Ltd Improvements in or relating to letterpress or relief printing
US2638050A (en) * 1952-05-28 1953-05-12 Multicolor Gravure Corp Method of making printing rolls
GB866070A (en) * 1956-03-19 1961-04-26 Kemitype Ltd Improvements in or relating to printing elements
DE2048000A1 (de) * 1970-09-30 1972-04-06 Klimsch & Co Druckform für das Hochdruckverfahren
EP0227423A2 (de) * 1985-12-23 1987-07-01 Flex Products, Inc. Optische Schuppen aus dünnem Film, nachgebildeter optischer Überzug sowie Überzüge und diese enthaltende Tinten sowie Verfahren dafür

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0635378A2 (de) * 1993-07-22 1995-01-25 Saint-Gobain Vitrage Hochdruckplatte und ihre Verwendung für dem Druck auf nicht absorbierenden harten Oberflächen
EP0635378A3 (de) * 1993-07-22 1995-11-29 Saint Gobain Vitrage Hochdruckplatte und ihre Verwendung für dem Druck auf nicht absorbierenden harten Oberflächen.
EP1842665A1 (de) 2006-04-04 2007-10-10 Kba-Giori S.A. Verfahren zur Herstellung von Sicherheitspapieren, Tiefdruckmaschine zur Ausführung dieses Verfahren und Sicherheitsdokument herstellbar durch dieses Verfahren
EP2065187A1 (de) 2006-04-04 2009-06-03 Kba-Giori S.A. Verfahren zur Herstellung von Sicherheitspapieren, Tiefdruckpresse zur Umsetzung des Verfahrens und Sicherheitspapier, das gemäß dem Verfahren erzeugt wird

Also Published As

Publication number Publication date
DE69410869D1 (de) 1998-07-16
US5435247A (en) 1995-07-25
UA27806C2 (uk) 2000-10-16
CN1099699A (zh) 1995-03-08
CN1056341C (zh) 2000-09-13
KR100296842B1 (ko) 2001-10-24
CA2116939C (en) 2005-01-04
AU5751294A (en) 1994-10-06
ATE167118T1 (de) 1998-06-15
JPH06316175A (ja) 1994-11-15
RU2113356C1 (ru) 1998-06-20
JP3445352B2 (ja) 2003-09-08
AU668271B2 (en) 1996-04-26
CA2116939A1 (en) 1994-10-06
EP0619192B1 (de) 1998-06-10
DE69410869T2 (de) 1998-12-10

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