EP4012098B1 - Crible d'égouttage, outil de moulage par injection et procédé de fabrication pour le crible d'égouttage - Google Patents

Crible d'égouttage, outil de moulage par injection et procédé de fabrication pour le crible d'égouttage Download PDF

Info

Publication number
EP4012098B1
EP4012098B1 EP21020628.0A EP21020628A EP4012098B1 EP 4012098 B1 EP4012098 B1 EP 4012098B1 EP 21020628 A EP21020628 A EP 21020628A EP 4012098 B1 EP4012098 B1 EP 4012098B1
Authority
EP
European Patent Office
Prior art keywords
watermark
individual
region
inserts
area
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.)
Active
Application number
EP21020628.0A
Other languages
German (de)
English (en)
Other versions
EP4012098A1 (fr
Inventor
Georg Depta
Andreas Aigner
André Gregarek
Andreas HÄNELT
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.)
Giesecke and Devrient Currency Technology GmbH
Original Assignee
Giesecke and Devrient Currency Technology GmbH
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 Giesecke and Devrient Currency Technology GmbH filed Critical Giesecke and Devrient Currency Technology GmbH
Publication of EP4012098A1 publication Critical patent/EP4012098A1/fr
Application granted granted Critical
Publication of EP4012098B1 publication Critical patent/EP4012098B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/44—Watermarking devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines

Definitions

  • the invention relates generally to the manufacture of watermark paper.
  • the invention relates to a drainage wire for the production of paper with high-resolution watermarks, which has a carrier wire with a plurality of individual use areas, which each produce one of a plurality of individual use areas of the watermark paper during paper production, the drainage wire being provided with its individual use areas with watermark inserts, which are designed at least in some areas as a high-resolution multi-level watermark inserts, such as from the publication DE 10 2012 018 166 A1 is known.
  • the invention also relates to an injection molding tool for producing high-resolution, multi-stage watermark inserts for such drainage screens, as well as a method for producing drainage screens of the type mentioned.
  • a cylindrically welded dewatering screen with a multi-layer structure of different bronze screens is typically used for the production of detailed watermarks in cylinder screen technology.
  • the desired watermark motifs can be embossed into the bronze screen or soldered onto the screen structure as so-called electrotypes.
  • the invention is based on the object of specifying a dewatering fabric of the type mentioned at the outset which avoids the disadvantages of the prior art and in particular enables the production of watermark paper with customized watermarks in a simple and cost-effective manner.
  • the watermark inserts present in the individual use areas each have a series watermark area that is identical for all individual uses, and also have an individual watermark area that is individualized for each individual use.
  • the individual watermark area preferably has an individualization in the form of patterns, characters or a code, in particular a sequence of letters or numbers.
  • Personalization can For example, represent the page number of a passport or other multi-page identification document.
  • the individual watermark area generates a highlight area of the watermark, the information of which appears particularly light in the watermark paper.
  • Such highlight areas are very noticeable when viewed and are therefore quickly and reliably perceived by the user.
  • the individual watermark area is advantageously formed in each case by a binary structure whose flat surface sections are arranged at only two different height levels. Such binary structures can produce high contrast and are therefore visually very noticeable.
  • the individual watermark area can advantageously also be formed by a multilevel structure with 3, 4 or 5 different levels. As a result, differentiated brightness variations can still be present within a highlight area, for example, an effect that cannot be easily reproduced with conventional electrotypes.
  • the serial watermark area of the watermark inserts is preferably formed by a high-resolution, multi-level relief with 6 or more vertical levels. The height levels can also be so close together that the impression of a continuous relief progression is created.
  • the contrast between the resolution of the series watermark area (high-resolution, multi-level) and the individual watermark area (low-resolution, binary or low-level) creates a visual tension in the watermark, which emphasizes the individual watermark area and draws the viewer's attention to its information content.
  • the image content of the high-resolution serial watermark area often acts as a decorative background area that enhances the overall visual attractiveness of the watermark but does not itself carry any useful information.
  • the individual watermark area only occupies a subordinate surface area in the watermark insert. It preferably occupies less than 50%, advantageously less than 25% and in particular less than 15% of the area of the watermark insert.
  • the individual watermark area is advantageously integrated into the overall design of the watermark insert without any visible transitions, for example by a transition area between the individual watermark area and the serial watermark area being designed continuously or in several, in particular 4 or more, brightness levels.
  • Another authenticity feature within the watermark inserts can be formed by varying not only the information content of the individualization but also its position within the individual watermark area.
  • the position at which a highlight area is arranged can vary depending on the information displayed, for example even page numbers can be arranged on the left edge of the individual watermark area and odd page numbers can be arranged on the right edge of the individual watermark area.
  • the individual watermark area is in each case a laser-engraved area of the watermark insert educated.
  • the individual watermark area can be formed individually in a simple, cost-effective and particularly flexible manner by means of laser engraving.
  • the watermark insert has a watermark insert body with a depression into which one or more shaped elements are inserted in order to form the individual watermark area.
  • the shaped elements are advantageously connected to the watermark insert body by pressing, gluing or fusing.
  • the serial watermark area is preferably formed by an injection molding relief.
  • the part of the watermark inserts that is identical for all individual copies can be produced with high precision and quickly using an injection molding process, so that the total production time for the individualized watermark inserts remains short.
  • the watermark insert is advantageously a perforated injection molded insert.
  • raw areas or rough forms of a high-resolution, multi-level relief are provided in the individual watermark area, which are preferably formed at the same time by the injection molding process mentioned.
  • the watermark inserts are provided with drainage perforations, the arrangement of which is matched to the relative position of the individual watermark area in the watermark inserts.
  • the arrangement of the drainage perforations be selected in such a way that the drainage perforations either clearly separate the individual watermark area from the serial watermark area or, conversely, produce smoother transitions.
  • the drainage perforations can be arranged, for example, in the individual watermark area with a greater or lesser density than in the series watermark area, or the diameter of the drainage perforations can be larger or smaller in the individual watermark area than in the series watermark area.
  • the perforation can also be dispensed with entirely, which leads to a particularly light appearance.
  • An advantageous possibility for producing the desired watermark inserts is the use of a special injection molding tool with which high-resolution, multi-stage watermark inserts can be produced in a simple and cost-effective manner, each having a serial watermark area and an individual watermark area.
  • the injection molding tool contains an injection molding cavity with a series area and an individual area, with the series area of the injection molding cavity being provided with a high-resolution watermark relief in the form of the inverted relief of the desired series watermark area, and the individual area of the injection molding cavity being provided with a depression with detachably inserted molded pieces in the form of the inverted relief of the desired individual watermark area.
  • the recess of the injection mold is preferably formed by round bores, but can also be freely shaped.
  • the molded pieces used can be releasably accommodated in the recess, for example by pressing.
  • the fittings are each with a seal provided to prevent plastic from flowing behind the fittings during the injection process.
  • the injection molding tool and the fittings are produced with particular advantage by an additive manufacturing process.
  • the watermark insert blanks are each injected directly into the carrier screen in this variant and in the variants described below.
  • the watermark insert blanks are individualized by laser impingement only after they have been produced, in particular after they have been directly injected into the carrier screen.
  • Laser engraving allows practically any graphic design of the individualization. For letters and numbers, font types, sizes and their graphic design are completely free.
  • the watermark insert blanks are additionally provided with drainage perforations by laser impingement.
  • the laser engraving of the raw areas can be done with the same laser processing unit with which the drainage perforations are also produced.
  • two laser processing units can be used, one unit for laser engraving the watermark insert blanks from the mold side and one unit for creating the drainage perforations from the drainage side. While the former solution requires little outlay in terms of equipment, the latter solution offers greater flexibility.
  • the drainage perforations can advantageously be designed to taper conically from the drainage side to the mold side.
  • CO 2 lasers can be considered as laser sources both for laser engraving and for laser perforation, CO 2 lasers or CO lasers being advantageously used for the laser processing of watermark inserts based on thermoplastic elastomers.
  • the latter allow particularly small spot sizes due to the shorter wavelength.
  • Even finer resolutions in laser engraving and perforation can be achieved with lasers in the near infrared or even visible spectral range, whereby solid-state lasers or fiber lasers can be used.
  • the laser beam can advantageously be deflected using a galvanometer scanner.
  • the exit optics of the laser are preferably protected by a strong air current because they are located below the material to be processed. At the same time, any gases and residues that are formed are advantageously sucked off well so that they cannot be deposited in the area of the screen.
  • the individual watermark areas can also be produced from the raw areas by electroerosion.
  • the coarse form typically has a resolution that is 2 to 10 times lower than the refined series watermark area.
  • the demands on the accuracy of the injection molding process are therefore comparatively low.
  • a prefabricated rough form can be refined with significantly less processing effort and shorter processing time through the material-removing process, in particular through laser engraving.
  • the separate shaped elements are preferably connected to the watermark insert blanks by pressing, gluing or fusing, in particular permanently connected.
  • the mold elements themselves are advantageously cast.
  • the separate shaped elements can be inserted into the depressions of the watermark insert blanks, for example, using a pick-and-place assembly unit.
  • each watermark insert blank which has the desired shape of the respective individual watermark area.
  • the individual watermark areas can also each be formed by a plurality of shape elements which together form the desired individual watermark area.
  • any desired individualization can be produced with a limited number of different shaped elements. For example, an arbitrarily complex number-based individualization can be generated by ten form elements in the form of the numbers "0" to "9".
  • watermark inserts are produced with an injection molding tool of the type mentioned above, each of which has a serial watermark area and an individual watermark area.
  • the watermark blanks or watermark inserts can also be formed by an additive manufacturing process (also often referred to as 3D printing) as a layer sequence of a plurality of material layers firmly connected to one another.
  • an additive manufacturing process also often referred to as 3D printing
  • the proposed solutions are particularly suitable for the production of watermark paper for valuable documents, such as passport paper, visas, certificates or banknotes.
  • the term "paper” includes all substrates into which watermarks in the papermaking sense can be introduced. This includes in particular fibrous substrates made from natural and/or artificial fibers.
  • the procedures described allow the production of individualized watermarks with a complex and visually attractive appearance.
  • figure 1 shows schematically a section of a dewatering screen 10 used for papermaking in plan view, and 2 shows a cross section of the screen in the area of a single blank along line II-II of FIG 1 .
  • the dewatering fabric 10 contains a single-layer or multi-layer support fabric 12 with a plurality of individual use areas 14, which in papermaking each have one of a plurality of individual uses of the watermark paper generate.
  • the dewatering screen 10 is provided with a watermark insert 20, which is designed in a partial area 22 as a high-resolution, multi-stage watermark insert.
  • the watermark inserts 20 of the dewatering screen are formed by perforated injection-molded inserts which, as the variants of the invention described below show, are injected directly into the screen fabric of the carrier screen 12 in the area of a recess 16 either completely or at least with their main component.
  • the watermark inserts 20 have on the one hand a series watermark area 22 which is identical for all individual copies 14 and on the other hand each have an individual watermark area 24 which is individualized for each individual copy 14 .
  • the watermark inserts 20 can be used to produce watermark paper for the pages of a passport, in which the page number of the passport page is contained in an individualized watermark area.
  • the watermark inserts 20 can be used to produce watermark paper for banknotes, in which the watermarks carry individual information that is specific to the row, column or position of the single-use area 14 on the printed sheet. With modern numbering methods, this position or individualization can be included in the numbering and thus represent a further hurdle for potential forgeries as a mark of authenticity.
  • the series watermark area 22 in the exemplary embodiment a high-resolution multi-level Relief 26, such as a portrait or other graphic motif.
  • the page number of the individual watermark area 24 is in the form of a binary structure 28 with only two vertical levels.
  • the individual watermark area 24 of the watermark insert 20 produces a conspicuous highlight area within the watermark, in which the page numbers in the paper appear as particularly light areas.
  • watermark inserts 20 for example, as with reference to FIG 3 be proceeded as described.
  • the starting point is a carrier screen 12 which is provided with recesses 16 in the area of the watermark inserts 20 to be attached.
  • watermark insert blanks 30 are produced in these recesses by injection molding, which already have the desired high-resolution, multi-stage relief 26 in their serial watermark area 22 .
  • the individual watermark area is not yet structured in the injection-molded blanks 30; instead, the blanks 30 each contain only a raw area 32, which has dimensions suitable for forming the desired binary structures.
  • the watermark insert blanks 30 with the serial watermark area 22 and the raw area 32 are all identical and can be produced easily and inexpensively using the same injection molding tool.
  • the watermark insert blanks 30 injected into the carrier screen are then exposed to laser radiation 34 from the molding side of the blanks in the raw area 32, with the specific binary structure being individually engraved for each blank by laser engraving 28 of the respective individual watermark area 24 is generated, as in 3(b) shown.
  • the carrier screen with the engraved watermark insert blanks 30 is exposed to further laser radiation 36 from the drainage side of the blanks in order to produce a plurality of small drainage perforations 38 in the blanks and thereby complete the individualized watermark inserts 20, as in 3(c) shown.
  • the drainage perforations 38 are introduced from the drainage side of the blanks 30 in order to be able to produce slightly tapered perforations 38 whose opening on the mold side is smaller the higher the relief structure is formed there.
  • two laser processing units are used for laser processing of the mold side ( 3(b) ) and the laser processing of the drainage side ( 3(c) ) used.
  • only one laser processing unit can be used, which then carries out both the laser engraving of the raw areas 32 and also produces the drainage perforations 38 from the mold side.
  • the procedure described not only allows the desired individualization of the watermark inserts to be carried out in a simple and cost-effective manner, complex and visually attractive individual watermark areas can also be produced.
  • the individual watermark areas can also be designed as a multilevel structure with 3, 4 or 5 different vertical levels instead of as a binary structure. Through such different height levels can also be provided within a highlight area differentiated brightness variations.
  • a further authenticity feature can be formed in the watermark inserts 20, for example, in that the position of the binary structure 28 within the raw area 32 ( 3(a) ) is varied depending on the information displayed, for example the number of pages displayed.
  • the arrangement of the drainage perforations 38 can also be matched to the respective position of an individual watermark area 24 and particularly delimit it from the series watermark area 22 or produce smoother transitions. Differences in contrast in the individual watermark area 24 can be supported by varying the arrangement of the drainage perforations 38, for example a greater or lesser density of the perforations 38 produced.
  • the laser treatment for laser engraving of the raw areas and for laser perforation of the watermark inserts can be carried out using a CO 2 laser, for example. It has opted for watermark inserts Based on thermoplastic elastomers, the wavelength of 9.4 ⁇ m, which is otherwise rather unusual for CO 2 lasers, turned out to be advantageous.
  • the relief of the mold side of injection-moulded watermark insert blanks 40 can also be produced completely by subsequent laser engraving, ie by laser engraving of watermark insert blanks that are already present in the carrier screen.
  • Both the specific binary structure 28 of the respective individual watermark area 24 (laser radiation 34-A) and the high-resolution, multi-level relief 26 of the serial watermark area 22 (laser radiation 34-B) are formed by laser treatment 34 of the form side.
  • mixed forms are also possible, in which, for example, watermark insert blanks are first produced in the carrier screen by injection molding, which in addition to a raw area 32 for the individual watermark area only have a rough form of the high-resolution, multi-stage relief 26 .
  • the specific binary structure 28 of the respective individual watermark area 24 is generated in the raw area 32 and the rough form is refined into the high-resolution, multi-stage relief 26 of the serial watermark area 22 in the same processing step.
  • Such a mixing method is particularly useful if the watermark insert is to contain smooth transitions between the individual watermark area and the serial watermark area.
  • the subsequent generation of dewatering perforations can also from the mold side or, as in connection with the 3 described, take place from the drainage side of the blanks.
  • FIG.5(a) watermark insert blanks 50 are first produced in the recesses 16 of the carrier screen 12 by injection molding, which have the desired high-resolution, multi-stage relief 26 in their serial watermark area 22 .
  • the body 52 of the blanks 50 instead of the individual watermark area, each have a depression 54 for receiving shaped elements 60 in the form of the desired binary structures 28 .
  • the watermark insert blanks 50 with the series watermark area 22 and the depression 54 are therefore all identical and can be produced easily and inexpensively using the same injection molding tool.
  • individual plastic mold elements 60 with the desired binary reliefs have already been cast in advance, as shown in Fig.5(b) shown. These individual mold elements 60 are then inserted, for example with a pick-and-place assembly unit, into the depressions 54 of the respective watermark insert blanks 50 in order to form the binary reliefs 28 of the individual watermark areas 24, as shown in FIG Fig.5(d) shown.
  • the connection of the shaped elements 60 to the watermark insert body 52 can take place, for example, by pressing, gluing or fusing.
  • the individual watermark area 24 of the watermark inserts can also be formed by a plurality of shaped elements 61, 62, 63, which together form the desired binary relief 28 of the individual watermark area 24, as shown in Fig.5(c) illustrated.
  • the form elements 61, 62, 63 represent the required digits or digit components, so that with a limited number of different form elements, any desired number of pages or any desired individual information can be put together.
  • the watermark inserts including the mold elements 60 are exposed to laser radiation in order to produce the drainage perforations 38 of the blanks and thereby complete the individualized watermark inserts 20, as in FIG Fig. 5(e) shown.
  • FIG. 6 shows in 6(a) an inventive injection mold 70 for injecting a watermark insert 20 into the carrier screen 12 of Figures 1 and 2 .
  • the injection molding tool 70 contains a nozzle tool 72 as the upper part of the injection molding tool and a relief tool 80 as the lower part of the injection molding tool.
  • the nozzle tool 72 and the relief tool 80 form an injection molding cavity 74 between them in the region of a recess 16 of the carrier screen 12, into which plastic is injected to produce the watermark set 20.
  • the nozzle mold 72 is formed in the form of a flat plate, on the underside of which is formed a nozzle mold cavity which is connected to a nozzle orifice 76 arranged at the top of the nozzle mold 72 for injecting plastic.
  • the relief tool 80 is also designed in the form of a flat plate, the relief tool 80 having a watermark relief with a series area 82 and an individual area 84 on its upper side in the area of the injection molding cavity 74 .
  • the series area 82 is formed by a high-resolution watermark relief 86 in the form of the inverted relief 26 of the desired series watermark area 22, while the individual area 84 is provided with a binary relief 88 in the form of the inverted binary relief 28 of the desired individual watermark area 24.
  • the special design of the relief tool 80 is in Figures 6(b) to (d) illustrated in more detail.
  • the relief tool 80 has a depression 90 ( Fig.6(b) ) into the detachable fittings 92, 93, 94 ( 6(c) ) can be used, which together form the binary relief 88 of the individual area 84.
  • the shaped pieces 92-94 can represent a limited number of shaped pieces, similar to a type case in letterpress printing, from which any desired individual information, for example a page number, can be assembled ( Fig. 6(d) ).
  • the indentation 90 of the relief tool can be formed by round bores, for example, or it can be freely shaped.
  • the shaped pieces 92-94 are accommodated in the recess 90 in a detachable manner by pressing. Seals can also be provided in order to prevent plastic from flowing in the depression 90 behind the shaped pieces 92-94 during injection, which would have to be laboriously removed again during subsequent casting.
  • the two tools are moved to the desired recess 16 in the carrier screen 12 and brought together in the vertical direction so that they receive the dewatering screen 10 between them in the area of the recess 16 with a predetermined pressure.
  • the injection molding tool 70 here forms the injection molding cavity 74 already mentioned, which is delimited on its underside by the watermark relief 86 , 88 of the relief tool 80 .
  • the drainage screen 10 contains the watermark insert 20 in the recess 16 with the desired high-resolution relief 26 and the desired individualizing binary structure 28, such as in Fig. 6(e) shown.
  • the watermark insert 20 is then also exposed to laser radiation in order to form the drainage perforations, as already described above.

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (17)

  1. Crible d'égouttage pour la fabrication de papier avec des filigranes à haute résolution, avec un crible porteur avec une pluralité de zones d'utilisation individuelles qui, lors de la fabrication de papier, produisent respectivement l'une d'une pluralité d'utilisations individuelles du papier filigrané, le crible d'égouttage étant pourvu, avec ses zones d'utilisation individuelles, d'inserts de filigrane, qui sont réalisés, au moins dans des zones partielles, sous forme d'inserts de filigrane multiniveaux à haute résolution, caractérisé en ce que les inserts de filigrane présentent respectivement une zone de filigrane de série qui est identique pour toutes les utilisations individuelles et une zone de filigrane individuelle qui est individualisée pour chaque utilisation individuelle.
  2. Crible d'égouttage selon la revendication 1, caractérisé en ce que la zone de filigrane individuelle présente respectivement une individualisation sous forme de motifs, de signes ou d'un codage, notamment une séquence de lettres ou de chiffres.
  3. Crible d'égouttage selon la revendication 1 ou 2, caractérisé en ce que la zone de filigrane individuelle produit respectivement une zone de surbrillance des filigranes dont l'information apparaît particulièrement claire dans le papier filigrané.
  4. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 3, caractérisé en ce que la zone de filigrane individuelle est formée respectivement par une structure binaire ou une structure multiniveau avec 3, 4 ou 5 niveaux de hauteur différents.
  5. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 4, caractérisé en ce que la zone de filigrane de série des inserts de filigrane est formée par un relief multiniveau à haute résolution avec 6 niveaux de hauteur ou plus.
  6. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 5, caractérisé en ce que la zone de filigrane individuelle occupe respectivement moins de 50 %, avantageusement moins de 25 % et notamment moins de 15 % de la surface de l'insert de filigrane.
  7. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 6, caractérisé en ce que la zone de filigrane individuelle est formée respectivement par une zone de gravure au laser de l'insert de filigrane.
  8. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 7, caractérisé en ce que l'insert de filigrane présente respectivement un corps d'insert de filigrane avec une cavité dans laquelle un ou plusieurs éléments de forme sont insérés afin de former la zone de filigrane individuelle.
  9. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 8, caractérisé en ce que la zone de filigrane de série est formée par un relief moulé par injection.
  10. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 9, caractérisé en ce que l'insert de filigrane est respectivement un insert moulé par injection perforé.
  11. Crible d'égouttage selon au moins l'une quelconque des revendications 1 à 10, caractérisé en ce que les inserts de filigrane sont pourvus de perforations d'égouttage dont l'agencement est accordé respectivement à la position relative de la zone de filigrane individuelle dans les inserts de filigrane.
  12. Outil de moulage par injection pour la production d'inserts de filigrane multiniveaux à haute résolution, qui présentent respectivement une zone de filigrane de série et une zone de filigrane individuelle, l'outil de moulage par injection contenant une cavité de moulage par injection avec une zone de série et une zone individuelle, la zone de série de la cavité de moulage par injection étant pourvue d'un relief de filigrane à haute résolution sous la forme du relief inversé de la zone de filigrane de série souhaitée, et la zone individuelle de la cavité de moulage par injection étant pourvue d'une cavité avec des pièces moulées insérées de manière amovible sous la forme du relief inversé de la zone de filigrane individuelle souhaitée.
  13. Procédé de fabrication d'un crible d'égouttage, notamment selon l'une quelconque des revendications 1 à 11, dans lequel
    - un crible porteur est fourni, qui présente une pluralité de zones d'utilisation individuelles qui, lors de la fabrication de papier, produisent respectivement l'une d'une pluralité d'utilisations individuelles dans le papier filigrané,
    - des inserts de filigrane sont respectivement introduits dans les zones d'utilisation individuelles du crible porteur,
    - les inserts de filigrane sont réalisés respectivement avec une zone de filigrane de série qui est identique pour toutes les utilisations individuelles, et avec une zone de filigrane individuelle qui est individualisée pour chaque utilisation individuelle, moyennant quoi les inserts de filigrane sont réalisés, au moins dans des zones partielles, sous forme d'inserts de filigrane multiniveaux à haute résolution.
  14. Procédé selon la revendication 13, dans lequel
    - des ébauches d'inserts de filigrane sont produites par moulage par injection avec la zone de filigrane de série et une zone brute pour la zone de filigrane individuelle, et
    - les zones de filigrane individuelles sont produites par gravure au laser dans les ébauches d'inserts de filigrane introduites.
  15. Procédé selon la revendication 13, dans lequel
    - des ébauches d'inserts de filigrane sont produites par moulage par injection avec la zone de filigrane de série et une cavité pour recevoir des éléments de forme,
    - des éléments de forme séparés sont produits ou fournis sous la forme des zones de filigrane individuelles, et
    - les éléments de forme séparés sont insérés dans la cavité des ébauches d'inserts de filigrane pour former les zones de filigrane individuelles.
  16. Procédé selon la revendication 14 ou 15, dans lequel les ébauches d'inserts de filigrane sont injectées directement dans le crible porteur.
  17. Procédé selon la revendication 13, dans lequel des inserts de filigrane sont produits avec un outil de moulage par injection selon la revendication 12, qui présentent respectivement une zone de filigrane de série et une zone de filigrane individuelle.
EP21020628.0A 2020-12-11 2021-12-09 Crible d'égouttage, outil de moulage par injection et procédé de fabrication pour le crible d'égouttage Active EP4012098B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020007606.8A DE102020007606A1 (de) 2020-12-11 2020-12-11 Entwässerungssieb, Spritzgusswerzeug und Verfahren zum Herstellungsverfahren für Entwässerungssiebe

Publications (2)

Publication Number Publication Date
EP4012098A1 EP4012098A1 (fr) 2022-06-15
EP4012098B1 true EP4012098B1 (fr) 2023-06-07

Family

ID=78829750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21020628.0A Active EP4012098B1 (fr) 2020-12-11 2021-12-09 Crible d'égouttage, outil de moulage par injection et procédé de fabrication pour le crible d'égouttage

Country Status (2)

Country Link
EP (1) EP4012098B1 (fr)
DE (1) DE102020007606A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058513A1 (de) 2006-12-12 2008-06-19 Giesecke & Devrient Gmbh Entwässerungssieb und Verfahren zu seiner Herstellung
DE102012018166A1 (de) * 2012-09-13 2014-03-13 Giesecke & Devrient Gmbh Spritzgusswerkzeug zur Erzeugung eines Wasserzeicheneinsatzes in einem Entwässerungssieb
DE102014005556A1 (de) 2014-04-15 2015-10-15 Giesecke & Devrient Gmbh Passpapier-Bahn zur Herstellung eines Passbuchs
SI3218545T1 (sl) 2014-11-10 2019-01-31 Portals De La Rue Limited Element za tvorjenje vodnega znaka
DE102019003496A1 (de) 2019-05-16 2020-11-19 Giesecke+Devrient Currency Technology Gmbh Verfahren und Vorrichtung zum Herstellen eines Wasserzeichen-Werkzeugs

Also Published As

Publication number Publication date
DE102020007606A1 (de) 2022-06-15
EP4012098A1 (fr) 2022-06-15

Similar Documents

Publication Publication Date Title
EP2895310B1 (fr) Moule de moulage par injection et procédé de moulage par injection pour la fabrication d'une garniture de filigrane dans un tamis de drainer
DE69429266T3 (de) Prägen von wertscheinbogen mit echtheitsmerkmalen
EP2115217B1 (fr) Tamis d'égouttage et son procédé de fabrication
EP1467871B2 (fr) Procede d'heliogravure acier d'un document de securite et plaque d'heliogravure en acier et produit intermediaire utilise et leur procede de production
EP1317346B1 (fr) Support de donnees, son procede de fabrication et plaque d'impression helio
EP1268213B1 (fr) Support de donnees pourvu d'un element de securite imprime et procede de production par impression en heliogravure de celui-ci
DE10163381A1 (de) Sicherheitspapier sowie Verfahren und Vorrichtung zu seiner Herstellung
EP2826915A1 (fr) Toile d'égouttage et son procédé de fabrication
EP3247571B1 (fr) Support de données pourvu d'un fil de sécurité visible dans des fenêtres
EP3215371B1 (fr) Support de données comprenant un élément de sécurité transparent
EP3247570B1 (fr) Support de données avec fil de sécurité à fenêtre
EP2899312B1 (fr) Toile d'égouttage pour la fabrication de papier doté d'un filigrane à deux tons et procédé de fabrication de ladite toile
EP2461985A2 (fr) Papier de sûreté comportant un filigrane
EP4012098B1 (fr) Crible d'égouttage, outil de moulage par injection et procédé de fabrication pour le crible d'égouttage
EP2899314B1 (fr) Toile d'égouttage pour la fabrication de papier doté d'un filigrane et procédé de fabrication de ladite toile
EP3810855B1 (fr) Bande de papier de sécurité à filigrane et tamis d'égouttage pour la fabrication de papier à filigrane
EP2899316B1 (fr) Toile d'égouttage pour la fabrication de papier filigrané et procédé de fabrication de ladite toile
WO2023016670A1 (fr) Procédé de production d'un élément de sécurité, élément de sécurité pour un support de données, support de données et feuille de stratification
DE102022002471A1 (de) Verfahren zur Herstellung eines Sicherheitsmerkmals, Sicherheitsmerkmal für einen Datenträger, Datenträger und Laminierblech

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221215

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH

RIC1 Information provided on ipc code assigned before grant

Ipc: D21F 11/00 20060101ALI20230209BHEP

Ipc: D21F 1/44 20060101AFI20230209BHEP

INTG Intention to grant announced

Effective date: 20230221

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1575320

Country of ref document: AT

Kind code of ref document: T

Effective date: 20230615

Ref country code: DE

Ref legal event code: R096

Ref document number: 502021000730

Country of ref document: DE

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230519

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230907

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230908

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231007

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231009

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231007

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231219

Year of fee payment: 3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502021000730

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

26N No opposition filed

Effective date: 20240308

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502021000730

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20231231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230607

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240702

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231209