WO2004020212A1 - Plaque d'impression taille-douce - Google Patents
Plaque d'impression taille-douce Download PDFInfo
- Publication number
- WO2004020212A1 WO2004020212A1 PCT/IB2003/003748 IB0303748W WO2004020212A1 WO 2004020212 A1 WO2004020212 A1 WO 2004020212A1 IB 0303748 W IB0303748 W IB 0303748W WO 2004020212 A1 WO2004020212 A1 WO 2004020212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- printing plate
- plate
- printing
- engravings
- ink
- Prior art date
Links
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
- B41N1/04—Printing plates or foils; Materials therefor metallic
- B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing
Definitions
- the present invention relates to an intaglio printing plate, used for example for printing securities such as banknotes, checks and other similar documents.
- the intaglio printing technique is well known in the state of the art, in particular for printing securities.
- a printing plate is engraved to form a predetermined pattern and the engravings are then filled with ink which will be transferred to the printed support, for example paper, which is deformed by pressure by means of a cylinder, having an elastic surface, in the engravings of the plate.
- the surface of the paper which enters the engravings is thus marked with the ink which was previously deposited in said engravings.
- intaglio printing plate As an example of an intaglio printing plate, reference is made to US Pat. No. 4,036,130, the content of which is incorporated by reference in the present application. Such a plate, usually made of metal, is engraved to form a specific pattern and can receive an additional hardened layer.
- application DE 196 24 131 describes another automated process for manufacturing intaglio printing plates by means of a laser.
- Patent application DE 198 45 440 shows another embodiment of intaglio printing plates for flat printing, the plates described comprising engravings the bottom of which has partitions forming channels or chambers allowing the transfer of the ink in a vertical direction only, that is to say perpendicular to the surface of the plate, and not in a horizontal or diagonal direction. These channels also allow modulation of the thickness of the ink deposited on the printed support.
- patent application DE 198 45 436 describes an intaglio printing process, in which the intensity of the same printed color varies. This effect is obtained by etching the plate, the depth of which varies so that the amount of ink in the etching also varies so that the amount of ink transferred onto the printed substrate is different, thus creating variable intensities.
- the production rate of these intaglio printing machines can be up to 10,000 sheets per hour, which typically corresponds to a linear speed of 2.8 meters / second.
- the ink deposited in the sizes of the plate therefore undergoes several forces, one perpendicular to the direction of movement of the plate, and the other centrifugal due to the rotation of the plate around the axis of the plate cylinder. .
- the ink will move towards the back of the size in the plate with respect to the direction of rotation and will also be attracted towards the outside of the size instead of remaining at the bottom of it. which results in lower quality printing and irregular inking of the paper.
- the object of the invention is to remedy these drawbacks by improving the known printing plates.
- one of the objects of the invention is to propose an intaglio printing plate allowing a quality inking despite the fact that the inking is done in a moving system.
- the plate according to the invention is defined by the characteristics contained in the claims.
- Figure 1 shows a schematic sectional view of an intaglio printing plate according to the prior art.
- Figure 2 shows a schematic sectional view of an intaglio printing plate according to a first embodiment of the invention.
- Figure 3 shows a schematic sectional view of an intaglio printing plate according to a second embodiment.
- Figure 4 shows a schematic sectional view of an intaglio printing plate according to a third embodiment of the invention.
- the plate 1 mainly comprises an external surface 2 in which an engraving 3 has been created.
- ink 4 is deposited for use in marking the substrate, for example printed paper.
- the rotation of the plate is schematically represented by the arrow referenced R and the forces which act on the ink, during the production of intaglio printed substrate, by the arrows referenced fl and f2 whose resultant fl2 is effectively directed as shown in the figure.
- the first embodiment of the ink retaining means 4 are shown. These means have the form of slots 6 and are mainly arranged on the rear part of the engraving 3 with respect to the direction of rotation shown diagrammatically by the arrow. A. These slots thus make it possible to retain the ink in the etching and to effectively oppose the effects of the resultant fl2 as shown in FIG. 1.
- FIG. 3 Another embodiment of the retaining means is shown in FIG. 3.
- the means take the form of a toothing 7 cut in the rear part of the engraving 3 relative to the direction of rotation R of plate 1.
- the retaining means have the form of hollows 8 distributed in the etching 3, on its rear part relative to the direction of rotation R of the plate 1.
- Such a printing plate can then be mounted without other in one of the machines known from US Patents 5,062,359 and US 5,899,145 incorporated in the present application.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03791129A EP1551641B1 (fr) | 2002-09-02 | 2003-08-21 | Plaque d impression taille-douce |
DE60304362T DE60304362T2 (de) | 2002-09-02 | 2003-08-21 | Tiefdruckplatte |
AU2003253212A AU2003253212A1 (en) | 2002-09-02 | 2003-08-21 | Smooth cut printing plate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02405752.3 | 2002-09-02 | ||
EP20020405752 EP1393925A1 (fr) | 2002-09-02 | 2002-09-02 | Plaque d'impression taille-douce |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004020212A1 true WO2004020212A1 (fr) | 2004-03-11 |
Family
ID=31198017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/003748 WO2004020212A1 (fr) | 2002-09-02 | 2003-08-21 | Plaque d'impression taille-douce |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP1393925A1 (fr) |
AT (1) | ATE321672T1 (fr) |
AU (1) | AU2003253212A1 (fr) |
DE (1) | DE60304362T2 (fr) |
WO (1) | WO2004020212A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1671806A1 (fr) * | 2004-12-15 | 2006-06-21 | Hueck Folien GmbH & Co. KG | Outil pour l'impression par héliogravure |
FR2942811B1 (fr) * | 2009-03-04 | 2011-05-06 | Oberthur Technologies | Element de securite pour document-valeur. |
FR2973398B1 (fr) * | 2011-03-30 | 2013-04-12 | Oberthur Technologies | Element de securite pour un document-valeur, un procede de fabrication, et document correspondant |
EP2594149A1 (fr) * | 2011-11-18 | 2013-05-22 | Fabrica Nacional De Moneda Y Timbre - Real Casa De La Moneda | Objet comportant une région de sa surface adaptée pour montrer plusieurs images |
AT523951B1 (de) * | 2020-06-18 | 2023-03-15 | Oesterreichische Banknoten Und Sicherheitsdruck Gmbh | Verfahren zum gravieren einer intaglio-stichtiefdruckplatte |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2210923A (en) * | 1939-07-10 | 1940-08-13 | Jacquerod | Process of graining intaglio and gravure printing plates |
CH491753A (de) * | 1969-06-25 | 1970-06-15 | De La Rue Giori Sa | Stahlstichdruckplatte |
US4036130A (en) | 1974-07-30 | 1977-07-19 | De La Rue Giori S.A. | Intaglio printing plate manufacture |
US4267028A (en) * | 1977-01-28 | 1981-05-12 | Daniel Beaune | Process for smooth cut printing |
US4598642A (en) | 1983-11-14 | 1986-07-08 | De La Rue Giori S.A. | Plate cylinder for intaglio printing plates in a web printing machine |
US5062359A (en) | 1989-06-29 | 1991-11-05 | De La Rue Giorgi S.A. | Intaglio printing machine for the printing of currency papers |
DE19624131A1 (de) | 1996-06-17 | 1997-12-18 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung von Prägeplatten |
US5899145A (en) | 1997-04-14 | 1999-05-04 | De La Rue Giori S.A. | Intaglio printing press |
DE19845436A1 (de) | 1998-10-02 | 2000-04-06 | Giesecke & Devrient Gmbh | Stichtiefdruckverfahren zum Drucken von aneinander grenzenden Farbflächen unterschiedlicher Farbschichtdicke |
DE19845440A1 (de) | 1998-10-02 | 2000-04-06 | Giesecke & Devrient Gmbh | Stichtiefdruckverfahren zum vollflächigen Bedrucken großer Flächen |
DE10044711A1 (de) * | 2000-09-08 | 2002-03-21 | Giesecke & Devrient Gmbh | Wertdokument |
-
2002
- 2002-09-02 EP EP20020405752 patent/EP1393925A1/fr not_active Withdrawn
-
2003
- 2003-08-21 WO PCT/IB2003/003748 patent/WO2004020212A1/fr not_active Application Discontinuation
- 2003-08-21 AT AT03791129T patent/ATE321672T1/de not_active IP Right Cessation
- 2003-08-21 DE DE60304362T patent/DE60304362T2/de not_active Expired - Lifetime
- 2003-08-21 EP EP03791129A patent/EP1551641B1/fr not_active Expired - Lifetime
- 2003-08-21 AU AU2003253212A patent/AU2003253212A1/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2210923A (en) * | 1939-07-10 | 1940-08-13 | Jacquerod | Process of graining intaglio and gravure printing plates |
CH491753A (de) * | 1969-06-25 | 1970-06-15 | De La Rue Giori Sa | Stahlstichdruckplatte |
US4036130A (en) | 1974-07-30 | 1977-07-19 | De La Rue Giori S.A. | Intaglio printing plate manufacture |
US4267028A (en) * | 1977-01-28 | 1981-05-12 | Daniel Beaune | Process for smooth cut printing |
US4598642A (en) | 1983-11-14 | 1986-07-08 | De La Rue Giori S.A. | Plate cylinder for intaglio printing plates in a web printing machine |
US5062359A (en) | 1989-06-29 | 1991-11-05 | De La Rue Giorgi S.A. | Intaglio printing machine for the printing of currency papers |
DE19624131A1 (de) | 1996-06-17 | 1997-12-18 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung von Prägeplatten |
US5899145A (en) | 1997-04-14 | 1999-05-04 | De La Rue Giori S.A. | Intaglio printing press |
DE19845436A1 (de) | 1998-10-02 | 2000-04-06 | Giesecke & Devrient Gmbh | Stichtiefdruckverfahren zum Drucken von aneinander grenzenden Farbflächen unterschiedlicher Farbschichtdicke |
DE19845440A1 (de) | 1998-10-02 | 2000-04-06 | Giesecke & Devrient Gmbh | Stichtiefdruckverfahren zum vollflächigen Bedrucken großer Flächen |
DE10044711A1 (de) * | 2000-09-08 | 2002-03-21 | Giesecke & Devrient Gmbh | Wertdokument |
Also Published As
Publication number | Publication date |
---|---|
EP1551641A1 (fr) | 2005-07-13 |
ATE321672T1 (de) | 2006-04-15 |
AU2003253212A1 (en) | 2004-03-19 |
DE60304362D1 (de) | 2006-05-18 |
EP1393925A1 (fr) | 2004-03-03 |
EP1551641B1 (fr) | 2006-03-29 |
DE60304362T2 (de) | 2006-11-30 |
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