Classifications

• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
  • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
  • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
  • G07D7/12—Visible light, infrared or ultraviolet radiation
  • G07D7/128—Viewing devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
  • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
  • B41F17/10—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of indefinite length, e.g. wires, hoses, tubes, yarns
  • B41F17/13—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of indefinite length, e.g. wires, hoses, tubes, yarns for printing on rolls of material, the roll serving as impression cylinder, e.g. strip printers
• • 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
  • B41M3/144—Security printing using fluorescent, luminescent or iridescent effects

Definitions

• the present invention relates to a latent raster print image on a support that is reversibly a single or multi-colored Image shows process for its manufacture as well as its Use in advertising or for advertising and promotional purposes.
• WO 88/01288 describes a method for labeling a substrate for security purposes - e.g. to protect Check cards against counterfeiting - which first applies to the substrate a photochromic color (i.e. a color that occurs in daylight is colorless and only becomes exposed to UV light reversibly discolored) printed and then over the Color layer a protective layer, e.g. made of plasticized PVC, is applied. The photochromic color is preferred applied a screen printing process.
• WO 88/01288 describes no labeling of products with complex Images and motifs for advertising purposes, for example.
• EP-A-0 279 526 Another way to keep security sensitive items like Check cards with the help of a latent identification secure, describes EP-A-0 279 526.
• the used Inks can include a UV fluorescent dye contain, which is only visible when exposed to UV light. The use for advertising purposes is not disclosed here either.
• the present invention has as its object a product to provide an equipment of objects with latent single or multi-colored, also complex Images and image motifs permitted for advertising purposes.
• the task is solved by a latent, on a carrier located raster print image, which when exposed to visible No light and / or daylight for the human eye (or at most only vaguely) is visible and only under Influence of UV light shows a single or multi-colored image.
• the image appearance is reversible, i.e. as soon as no UV light
• color applications are known that act do not show colored images of visible light, but if they have UV light in a wavelength range of around 190 exposed to about 400 nm. Such pictures are called as “latent images” because they are under normal lighting conditions are not recognizable and only through targeted stimulation as Images become visible.
• These color applications contain one so-called luminescent dye.
• a luminescent dye is in an energetically excited state; by The luminescent dye is exposed to radiation, for example into a state of lower energy, the excess energy by emission of light quanta one certain wavelength is emitted. This emission wavelength lies in the visible range, the radiation emitted perceived by the human eye as colored.
• Such latent luminescent color applications can, for example serve to identify people. That's the way it is usual in entertainment venues, the paying visitor on Receipt, for example, with a stamp somewhat of the latent Luminescent color on the skin (e.g. on the palm) to apply.
• This paint application is under "normal" Light not visible, but under UV light, so that visitors of the entertainment venue can be checked easily can pay the entrance fee and give them the deferred Color was applied by the area of skin in question is briefly held under a UV lamp. In this way can also be ensured in elections that the respective Voter only votes once.
• DE 32 16 568 A1 also discloses a photographic recording method known in which a photographic recording material, that is photosensitive in at least one layer Silver halide and at least one luminescent Compound contains, imagewise exposed and for generation a latent luminescence image is developed and the image information contained in the latent luminescence image photoselective using a luminescence spectroscopic method sampled and in the form of monochrome luminescence signals is recorded electronically; the process delivers and multi-colored pictures.
• This recording method provides no raster print image and does not become a latent marking of objects with colored pictures.
• the raster print image according to the invention usually contains at least one dye luminescent under UV light.
• Dyes are used as luminescent dyes, which by the action of UV light initially in an energetic excited state are transferred to then also by exposure to UV radiation to emit light quanta to be stimulated, the light quanta with an im visible range of the spectrum emitted wavelength become. The human eye then only takes that corresponding to the wavelength of the emitted light quantum Color true, and only when the halftone print image is UV light is exposed.
• the dyes luminescent under UV light are in themselves known and commercially available connections (see Römpp-Lexikon Lacke und Druckmaschine, 1998, p. 355 keyword "fluorescent dyes"). They are, for example, those that are in the WO 88/01288 are described as photochromic compounds.
• Other suitable dyes luminescent under UV light include in WO 98/32799, DE-A-195 12 773 and DE-A-196 51 712.
• the luminescent Dyes can contain, for example, the printing inks from the company SICPA-AARBERG, Switzerland, with the designation Aarberg INNOVA 62-LC (LumiColor) can be used.
• They preferably show luminescence when exposed to UV radiation in a wavelength range from 240 nm to 380 nm, in particular at about 366 nm.
• the halftone printing dots of the halftone printing image according to the invention preferably have 60 to 120 dots / cm, with a given Grid the number of points regardless of size the point is. By varying the dot size an optical modulation of the image impression is generated. Become Plotted larger points, these can be their neighboring points touch so that complete area coverage is achieved can be.
• Environmental brighteners are optical brighteners however often undesirable. E.g. they are for manufacturing of those used in the cigarette industry Papers and boxes largely banished.
• the invention Raster printed image then has a blue one red and one green and possibly another under UV light luminescent dye.
• the raster print images according to the invention can be used for any suitable printing processes (see e.g. H. M. Speirs, "Introduction to Printing Technology ", 4th ed., 1992, pp. 7-10), especially after an offset printing, lithography printing, Flexographic, letterpress or gravure printing processes become. To avoid disturbing moiré patterns is preferred Screen angulation (see E. D. Stiebner, “Bruckmann's Handbuch der Drucktechnik ", 5th ed., 1992, pp. 123-125).
• the support for the raster print image can be made of any suitable material be made, preferably it is, for example made of paper, cardboard, textiles or film or foil materials from a natural or synthetic polymer (e.g. Polypropylene).
• the raster print image can be Polypropylene, as is customary for the transparent film from Cigarette packs are used to be applied.
• the Raster print image can either be on a separate support (for example a sticker, an adhesive film or a Label) are applied, this carrier then with the to be labeled goods.
• the raster print image is placed directly on the goods, which then becomes the carrier is applied, such as on the outer Polypropylene wrapping, the paper or cardboard box or the inner liner of a cigarette packet, a postcard Posters, a t-shirt or packaging in general, in particular Gift or food packaging.
• the manufacturer can a typical print image or logo for him, but also use elaborate graphic designs for advertising purposes.
• Raster printing dots of different layers can be different contain luminescent dyes under UV light, so that a multi-color raster print image under the influence of UV light appears.
• Raster print images are particularly suitable Raster print images in advertising.
• common ones Packaging such as cigarette packs, as described be printed with a raster print image according to the invention.
• This raster print image is for the viewer in daylight or visible light not recognizable. Only through action of UV light, for example in an entertainment venue then a multicolored image is recognizable.
• point-of-sales material such as Posters is possible.

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• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Toxicology (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Printing Methods (AREA)

Priority Applications (6)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8237761

Family Applications (1)

Country Status (6)

Cited By (6)

Families Citing this family (1)

Citations (5)

• 1999
  • 1999-03-22 EP EP99105032A patent/EP1038690A1/fr not_active Withdrawn
• 2000
  • 2000-03-17 AU AU43957/00A patent/AU4395700A/en not_active Abandoned
  • 2000-03-17 WO PCT/EP2000/002387 patent/WO2000056553A1/fr active Application Filing
  • 2000-03-17 CH CH01742/01A patent/CH695375A8/de not_active IP Right Cessation
  • 2000-03-17 RU RU2001128304A patent/RU2238189C2/ru not_active IP Right Cessation
• 2001
  • 2001-09-20 NO NO20014583A patent/NO20014583L/no not_active Application Discontinuation

Patent Citations (5)

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