EP1884369A1 - Procédé pour la production d'articles imprimés - Google Patents

Procédé pour la production d'articles imprimés Download PDF

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Publication number
EP1884369A1
EP1884369A1 EP07015085A EP07015085A EP1884369A1 EP 1884369 A1 EP1884369 A1 EP 1884369A1 EP 07015085 A EP07015085 A EP 07015085A EP 07015085 A EP07015085 A EP 07015085A EP 1884369 A1 EP1884369 A1 EP 1884369A1
Authority
EP
European Patent Office
Prior art keywords
ink
characters
layer
printed
support
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.)
Withdrawn
Application number
EP07015085A
Other languages
German (de)
English (en)
Inventor
Ivan Brignani
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.)
ATEM SERVIZI INTEGRATI SpA
Original Assignee
ATEM SERVIZI INTEGRATI SpA
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 ATEM SERVIZI INTEGRATI SpA filed Critical ATEM SERVIZI INTEGRATI SpA
Priority to US11/861,445 priority Critical patent/US20080035003A1/en
Publication of EP1884369A1 publication Critical patent/EP1884369A1/fr
Withdrawn legal-status Critical Current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
    • B41M3/005—Colour cards; Painting supports; Latent or hidden images, e.g. for games; Time delayed images
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00—Board games; Raffle games
    • A63F3/06—Lottos or bingo games; Systems, apparatus or devices for checking such games
    • A63F3/065—Tickets or accessories for use therewith
    • A63F3/0665—Tickets or accessories for use therewith having a message becoming legible after rubbing-off a coating or removing an adhesive layer
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00—Board games; Raffle games
    • A63F3/06—Lottos or bingo games; Systems, apparatus or devices for checking such games
    • A63F3/065—Tickets or accessories for use therewith
    • A63F3/0655—Printing of tickets, e.g. lottery tickets

Definitions

  • the present invention concerns a process for the production of printed articles and, in particular, printed articles with one or more surface portions on which characters are printed, such as words, letters, logos, numbers, codes or the like, on which a layer of an upper coating is applied, removable by abrasion, with the ability to hide the characters underneath.
  • Printed articles with these characteristics are extensively used, for example in the form of tickets for instant lotteries, so-called “Scratch and Match” lotteries, or cards for parking in urban areas, so-called “Scratch and Park” cards.
  • These articles are generally printed on very heavy paper as they must be sufficiently sturdy to withstand the mechanical action of abrasion applied to uncover the hidden characters, but must also prevent seeing the hidden characters through it in case of articles for instant lotteries.
  • All the articles of the known type are produced with essentially similar printing processes, whereby the hidden characters are printed in dark ink on a light background. This is then coated with a layer of transparent varnish to protect the characters underneath from the abrasive action and prevent anchorage of the top coat of matt paint which is applied over the coat of transparent varnish.
  • the matt paint provides the covering layer that hides the characters underneath and that can be removed by abrasion using a sufficiently rigid object such as a coin or fingernail.
  • a process of the known type such as that described above does not lend itself to application with supports of limited thickness, such as sheets of ordinary paper or coated paper of the type used, for example, to print labels or the like, or thin plastic film such as that used for packaging or wrapping.
  • a thin support would be transparent enough to permit reading the hidden characters through the coating layer of matt paint.
  • the object of the present invention is therefore to propose a process that allows to print articles with characters hidden by a coating removable by abrasion on particularly lightweight or thin supports.
  • Another object of the present invention is to propose a process of the type described above, and the articles thus produced, that will make it impossible to see through the support and read the hidden characters underneath a coating layer, regardless of the opacity of the support and/or its thickness.
  • the hidden characters having been printed with transparent ink, are absolutely invisible through the support and therefore it is even possible to use supports having very thin thickness.
  • a printed article according to the present invention is obtained basically by printing a layer of a first ink in accordance with the configuration of one or more characters 20 on a support 10.
  • the ink with which the characters 20 are printed is a transparent silicone-based ink.
  • the support 10 is a sheet of paper or plastic materials of limited thickness, consisting for example of a coated or matt sheet of paper or cardboard, or a film of polyolefin or plastic material, such as polypropylene, polyethylene, PVC and similar materials for packaging or wrapping.
  • a coated or matt sheet of paper or cardboard or a film of polyolefin or plastic material, such as polypropylene, polyethylene, PVC and similar materials for packaging or wrapping.
  • polyolefin or plastic material such as polypropylene, polyethylene, PVC and similar materials for packaging or wrapping.
  • At least one second coating of a UV-dried colored ink 30 is applied on the characters 20 ( Figure 2).
  • This layer of ink 30 is applied uniformly at least to the entire area containing the characters so as to fill the spaces between the characters 20 and cover them.
  • the colored ink 30 must be of the type that can be anchored to the support 10 but not to the layer underlying the first ink with which the characters 20 are printed.
  • different inks of two or more different colors can be used, provided that they all have the same characteristics of compatibility with the support 10 and with the transparent ink of the characters 20 as regards anchoring.
  • the end product shown in Figure 3A, is obtained by printing a layer of transparent varnish 40 over the layer of the second ink 30.
  • the layer of transparent varnish 40 must be printed according to a particular security graphic technique to eliminate the uniformity of the surface and make it non-reflecting. This process serves to eliminate any reflections that could make the hidden characters visible with grazing light.
  • the structure of the texture with which the varnish 40 is applied is chosen on the basis of the characters to hide. For example, the same configuration as the characters to be hidden can be repeated and overlaid with a different screen ruling.
  • Figure 3B illustrates another possible embodiment of a printed article according to the invention.
  • the support 10 is coated with a layer of a product 50 capable of giving particular properties to the surface to be printed.
  • the product 50 can be, for example, a primer to prepare the surface of the support 10 to receive the inks of the layers 20 and/or 30.
  • the product 50 can be, for example, a colored ink, preferably of the UV-dried type, to form a base of a desired color for the characters printed in transparency.
  • Figures 4A and 4B show the articles of Figures 3A and 3B, respectively, after removal of the top covering.
  • the transparent varnish 40 and the layers of ink 30 are removed only from the underlying characters 20, because the ink 30 is not anchored to the ink of the characters 20 but only to the support 10. Consequently, the characters 20 are visible, bordered by the areas 30 with respect to the background consisting of the surface of the support 10 (Fig. 4A) or by a possible colored background 50 (Fig. 4B) applied first to the support 10.
  • the characters 20 were printed using the "dry offset” method with a transparent ink called Deltacote 12800 produced by the Colorgraf company, with the addition of the article “Release 202067” in a proportion of 30% to 70% by volume.
  • the characters 20 were then overprinted with a second colored ink 30 of the UV-dried type called XPRESS and produced by the Colorgraf company.
  • the ink layer 30 were applied using the lithographic offset method.
  • Overprinting with the transparent varnish 40 using appropriate graphics was done with a closed-chamber flexographic printing system.
  • the security texture was chosen so as to reproduce the hidden characters repeated and overlaid with a screen ruling of 30%, 60% and 80%.
  • Example 2 The same process as Example 1 was performed on supports consisting of glossy coated paper weighing 90 g. produced by the Marchi Group paper mill. Also the printed articles obtained using this type of support have the same characteristics as those obtained in Example 1.
  • Example 1 The process described in Example 1 was then used to obtain printed articles with characteristics similar to those of Examples 1 and 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Educational Technology (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Printing Methods (AREA)
EP07015085A 2006-08-04 2007-08-01 Procédé pour la production d'articles imprimés Withdrawn EP1884369A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/861,445 US20080035003A1 (en) 2006-08-04 2007-09-26 Process for Producing Printed Articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061580 ITMI20061580A1 (it) 2006-08-04 2006-08-04 Procedimento per la produzione di articoli stampati

Publications (1)

Publication Number Publication Date
EP1884369A1 true EP1884369A1 (fr) 2008-02-06

Family

ID=38669700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07015085A Withdrawn EP1884369A1 (fr) 2006-08-04 2007-08-01 Procédé pour la production d'articles imprimés

Country Status (2)

Country Link
EP (1) EP1884369A1 (fr)
IT (1) ITMI20061580A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927841A1 (fr) * 2008-02-26 2009-08-28 Arjowiggins Licensing Soc Par Feuille de securite comportant un ruban pelable permettant de reveler une information masquee, et son procede de fabrication
CN109795233A (zh) * 2019-01-25 2019-05-24 浙江爱迪尔包装股份有限公司 一种运用矢量图文用uv胶印印出折光效果的防伪工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058797A1 (fr) 1997-06-24 1998-12-30 Dittler Brothers Incorporated Sublimation d'images
WO2000009344A1 (fr) * 1998-08-11 2000-02-24 Dittler Brothers, Inc. Gravure d'images au laser sur des films a gratter
EP1557285A1 (fr) 2004-01-26 2005-07-27 Amcor Flexibles Europe A/S Emballage comprenant une superficie pouvant être enlevé par frottement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998058797A1 (fr) 1997-06-24 1998-12-30 Dittler Brothers Incorporated Sublimation d'images
WO2000009344A1 (fr) * 1998-08-11 2000-02-24 Dittler Brothers, Inc. Gravure d'images au laser sur des films a gratter
EP1557285A1 (fr) 2004-01-26 2005-07-27 Amcor Flexibles Europe A/S Emballage comprenant une superficie pouvant être enlevé par frottement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2927841A1 (fr) * 2008-02-26 2009-08-28 Arjowiggins Licensing Soc Par Feuille de securite comportant un ruban pelable permettant de reveler une information masquee, et son procede de fabrication
WO2009112766A1 (fr) * 2008-02-26 2009-09-17 Arjowiggins Security Feuille de securite comportant un ruban pelable permettant de reveler une information masquee, et son procede de fabrication
RU2506106C2 (ru) * 2008-02-26 2014-02-10 Аржовигжен Сикьюрити Защищенный лист, содержащий отрывную полоску, обеспечивающую доступ к скрытой информации, и способ его изготовления
CN109795233A (zh) * 2019-01-25 2019-05-24 浙江爱迪尔包装股份有限公司 一种运用矢量图文用uv胶印印出折光效果的防伪工艺

Also Published As

Publication number Publication date
ITMI20061580A1 (it) 2008-02-05

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