Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
  • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
  • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
  • B42D25/30—Identification or security features, e.g. for preventing forgery
  • B42D25/355—Security threads

Definitions

• the present invention relates to a document security strip, comprising a support on which is formed in the longitudinal direction of the strip an alternation of generally metallized regions and generally transparent regions, said alternation being capable of establishing a contrast on a so-called global scale at the level of the document to be secured so as to constitute a protection against the reproduction of the documents with which the strip will be associated.
• the invention also relates to security documents incorporating such a strip according to the invention. These documents can be, for example, fiduciary documents such as banknotes, or official documents, etc. It is already known to associate with security documents strips as mentioned above.
• FIG. 1 thus represents a strip 10 of a generally known type. This strip 10 comprises a continuous longitudinal support, on which generally metallized regions 11 are formed.
• the strip may have a general multilayer structure. These generally metallized regions are arranged so as to form therebetween, in the longitudinal direction of the strip (denoted X), generally transparent regions 12. The arrangement of the regions 11 and 12 is carried out so as to produce, in the longitudinal direction of the strip, an alternation of generally metallized regions 11 and generally transparent regions 12.
• the generally metallized regions 11 thus constitute discrete generally metallized elements. These regions can for example be smooth, purely reflective metallized regions.
• a strip of the known type of strip 10 constitutes a security sign which can be associated with a document. Such an association can for example implement a transfer on the document of the entire strip, with its support. Such a transfer can in particular be a hot transfer. In this case, the support must be transparent (at least opposite regions 12).
• FIG. 2 thus illustrates a document 20 such as a banknote, with which a strip of the type of that of FIG. 1 has been associated.
• the generally metallized regions 11 of the strip are visible on the document, and constitute a sign of security. It is specified that the regions located between the generally metallized regions 11 once the strip associated with the ticket can be covered with a varnish producing a visible effect with the naked eye. This varnish may for example correspond to a layer of the strip associated with the support of this strip.
• each generally metallized region 11 forms with the generally transparent regions 12 which surround it in the longitudinal direction of the strip a significant contrast. And these regions are chosen to be large enough for this contract to correspond to a contrast on a so-called global scale at the level of the document to be secured.
• This contrast on a global scale corresponds in particular to good protection against reproduction of the document with which the strip will be associated (for example using a photocopier).
• An object of the invention is to further improve the level of security associated with document security tapes of the general type described above.
• a document securing strip comprising a support on which is formed in the longitudinal direction of the strip an alternation of generally metallized regions and generally transparent regions, said alternation being capable of establishing a contrast on a so-called global scale at the level of the document to be secured so as to constitute a protection against reproduction of the documents with which the strip will be associated, characterized in that the strip also comprises optically active elements in association with the generally metallized regions and / or generally transparent regions of the strip, to establish an optical effect on a scale known as of detail at the level of the document to be secured, said optical effect making it possible to constitute a recognizable sign for identifying said document.
• aspects of such a band are the following: said optical effect established on said scale of detail is a contrast, Said optical effect established at said scale of detail is a
• optically active elements comprise optically active structures formed from a metallization
• Said optically active elements include optically variable elements
• optically active structures include one or more of the following securing elements:> zone comprising diffraction lines, purely reflective metallized zone,> zone comprising a diffraction mat,> zone comprising a hologram,> demetallized zone of a generally metallized region,> zone bearing an impression,> metallized zone of a generally transparent region,
• At least some of said optically active structures include different zones, some of which include at least one of said securing elements,
• At least some of the said zones are sufficiently small to not be immediately visible to the naked eye
• optically active elements are associated with generally metallized regions, • said optically active elements comprise a diffraction mat integrated in a diffractive metallized region,
• Said optically active elements include purely reflective metallized regions
• said optically active elements include purely reflective metallized regions which, in the longitudinal direction of the strip, are arranged on either side of at least some said generally metallized regions of the strip, said metallized regions being generally diffuse regions,
• Said interval is transparent, at least some of said optically active elements are associated with generally transparent regions,
• Said optically active elements comprise metallized purely reflective regions which, in the longitudinal direction of the strip, are arranged on either side of at least some of said generally transparent regions of the strip,
• said interval is: > An interval comprising metallized and difractive zones, and / or> ' An interval comprising printed zones, and / or> An interval comprising a diffraction mat, and / or> An interval comprising a hologram, • said optically active elements are associated in registration with the generally metallized regions and / or with the generally transparent regions of the strip,
• the strip is also associated with luminescent or absorbent patterns, said luminescent or absorbent patterns are printed in overlap with the strip,
• Said printing is carried out at least partially covering generally metallized regions of the strip
• Said printing is carried out at least partially covering generally transparent regions of the strip,
• the invention also proposes a security document incorporating a strip according to one of the aspects mentioned above.
• FIGS. 1 and 2 which have already been commented on above:
• FIG. 3 is a schematic representation of a first embodiment of a document securing strip according to the invention.
• FIG. 4 a schematic representation of a second embodiment of a document security strip according to the invention
• FIG. 3 schematically represents a document securing strip 30 according to the invention.
• the strip can be associated with a document to be secured by transfer , by stamping or by another type of technique.
• the generally metallized regions 31 are associated with additional elements. More specifically, these additional elements are optically active elements 310. It will be seen with reference to the other figures that it is possible to associate different types of optically active elements with a security strip according to the invention. And in any case, optically active elements can be in the form of numbers or characters. More generally, these optically active elements can correspond to any desired predetermined graphics. In the case of FIG.
• the optically active elements 310 appear in the form of figures (these figures can for example correspond to the denomination of a bank note).
• the optically active elements 310 are capable of producing, in their combination with their background (in the case of FIG. 3, the generally metallized regions 31) a determined optical effect.
• This optical effect can correspond to a contrast.
• This optical effect can also correspond to a visual effect depending on the angles of illumination and / or observation of the strip. This will in particular be the case when the optically active elements are produced from diffracting and / or holographic patterns.
• the generally transparent regions 32 which are interposed between the generally metallized regions 31 are preferably associated with a varnish producing a shiny effect visible to the naked eye.
• the generally metallized regions 31 and the generally transparent regions 32 can generally have any desired geometry.
• the geometry of the generally metallized regions of the strip will however generally have characteristics of sufficiently large size and compactness allowing them to effectively perform a function of protection against reproduction. It is specified that reference may be made to document EP 522 217 for an example (non-limiting) of description of such size and compactness conditions.
• the optically active elements 310 are therefore formed inside the generally metallized regions 31.
• These generally metallized regions 31 can be purely reflective metallized regions.
• the optically active element 310 may also be regions comprising diffraction lines, a hologram, or other means making it possible to modify the general appearance of the region 31.
• the optically active element 310 has optical properties which are distinguished from those of the generally metallized region 31, so as to produce an optical effect as mentioned above.
• the optically active element 310 can have a homogeneous structure. It can also be made from a metallization.
• the optically active elements 310 can include optically variable elements.
• optically variable elements is meant elements the optical properties of which may vary as a function of the angle of illumination and / or of observation. It can thus in particular be diffractive structures and / or holograms.
• the optically variable elements are therefore optically active elements of a particular type. ..
• the optically active elements 310 can generally consist of one of the following securing elements:
• optically active elements 310 can also be produced in the form of structures comprising several securing elements as mentioned above.
• the optically active elements thus produce an optical effect on a scale less than the "global" scale at which the contrast effect occurs between the generally metallized regions 31 and the generally transparent regions 32. This optical effect is carried out on a scale which will be called the detail scale.
• the optically active elements 310 thus produce optical effects located in the band 30. They allow an observer to detect the presence of the optically active element, thus allowing identification and authentication of the document with which the strip is associated.
• the optically active elements 310 shown in FIG. 3 are large enough to be easily seen with the naked eye.
• optically active elements 310 are associated in registration with the generally metallized regions 31 of the strip. It is specified that by “identification” is meant the characteristic according to which the optically active patterns 310 are systematically located opposite the generally metallized regions. As will be seen, it is also possible to associate such optically active elements with the generally transparent regions of the strip. And in this case again, this association can in particular be done in tracking.
• identification is meant the characteristic according to which the optically active patterns 310 are systematically located opposite the generally metallized regions.
• optically active elements 310 are associated with generally metallized regions.
• these optically active elements can consist of, or include, a diffraction mat.
• a diffraction mat as an area which diffracts light according to a single wavelength, in all directions of space. Such a diffraction mat thus appears to an observer as having the same appearance, whatever the angle of illumination and / or observation of the mat.
• the optically active element 310 can thus be a diffraction mat, in a metallized region 31 which can in particular be generally diffractive.
• the optically active elements 310 can also consist of, or comprise purely reflective metallized regions.
• FIG. 5a thus represents: an alternation of:> generally metallized regions 51, which can in particular be diffractive, and> generally transparent regions 52,
• FIG. 5a illustrates the zones 53 which correspond to the optically active elements, and which are produced in the form of purely reflective metallized regions.
• the regions 53 are in the variant illustrated in Figure 5a arranged immediately adjacent to the metallized region 51 on either side of which they are arranged. It is also possible, according to the variant illustrated in FIG. 5b, to provide that the zones 53 which correspond to the optically active elements are arranged so as to provide in the longitudinal direction of the strip an interval between each purely reflective region 53 and the generally metallized region. 51 with which it is associated.
• FIG. 5b illustrates such intervals 54. It is specified that these intervals can for example be transparent.
• FIG. 4 illustrates another embodiment of the invention. It should be noted that all of the characteristics which have been mentioned above about:
• the optically active elements 420 are associated with generally transparent regions 42 of the strip. And the strip also comprises regions 41 which are generally metallized.
• the optically active elements 420 can therefore take various forms. It is specified that in this embodiment, these optically active elements can also correspond to a metallized area of a region 42 which is generally transparent.
• the optically active elements can be produced in the form of purely reflective metallized zones. And according to an alternative embodiment, it is here again possible to provide for the optically active elements to be produced in the form of purely reflective zones arranged on either side of at least certain transparent regions of the strip.
• optically active elements produced in the form of purely reflective zones can be arranged immediately adjacent to the generally transparent region with which they are associated.
• Such an interval can in particular be:
• An interval comprising metallized and difractive zones, and / or
• An interval comprising a diffraction mat, and / or

Landscapes

• Credit Cards Or The Like (AREA)
• Holo Graphy (AREA)
• Diffracting Gratings Or Hologram Optical Elements (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (3)

Family

ID=33484658

Family Applications (1)

Country Status (23)

Families Citing this family (4)

Family Cites Families (17)

• 2003
  • 2003-06-23 FR FR0307568A patent/FR2856339B1/fr not_active Expired - Lifetime
• 2004
  • 2004-06-23 ES ES04767420T patent/ES2343802T3/es not_active Expired - Lifetime
  • 2004-06-23 CN CN200480017530.1A patent/CN1849222B/zh not_active Expired - Fee Related
  • 2004-06-23 EE EEU200600004U patent/EE00621U1/xx active Protection Beyond IP Right Term
  • 2004-06-23 EP EP04767420.5A patent/EP1636045B2/de not_active Expired - Lifetime
  • 2004-06-23 DE DE602004026304T patent/DE602004026304D1/de not_active Expired - Lifetime
  • 2004-06-23 MD MDA20050387A patent/MD20050387A/ro not_active Application Discontinuation
  • 2004-06-23 US US10/561,769 patent/US20070041067A1/en not_active Abandoned
  • 2004-06-23 WO PCT/FR2004/001564 patent/WO2005000599A2/fr not_active Ceased
  • 2004-06-23 JP JP2006516311A patent/JP2007514562A/ja active Pending
  • 2004-06-23 SK SK5108-2005U patent/SK4729U/sk unknown
  • 2004-06-23 AT AT04767420T patent/ATE462580T1/de active
  • 2004-06-23 CZ CZ200517309U patent/CZ17201U1/cs not_active IP Right Cessation
  • 2004-06-23 HU HU20040600012U patent/HU3323U/hu unknown
  • 2004-06-23 OA OA1200500370A patent/OA13181A/fr unknown
  • 2004-06-23 CA CA002530418A patent/CA2530418A1/en not_active Abandoned
  • 2004-06-23 RU RU2006101700/12A patent/RU2337012C2/ru active
  • 2004-06-23 AU AU2004251906A patent/AU2004251906B2/en not_active Ceased
  • 2004-06-23 BR BRPI0411821-9A patent/BRPI0411821B1/pt not_active IP Right Cessation
  • 2004-06-23 TR TR2005/05190U patent/TR200505190U1/xx unknown
• 2005
  • 2005-12-19 FI FI20050425U patent/FI7040U1/fi not_active IP Right Cessation
  • 2005-12-21 AT AT0087605U patent/AT10434U1/de not_active IP Right Cessation
  • 2005-12-21 BG BG109391A patent/BG109391A/en unknown
  • 2005-12-22 DK DK200500295U patent/DK200500295U3/da active
• 2006
  • 2006-12-20 BG BG1146U patent/BG986U1/bg unknown

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