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
  • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
  • B42D25/24—Passports
• • 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
  • B42D25/40—Manufacture
  • B42D25/45—Associating two or more layers

Definitions

• the present application relates to a method for producing a hinge of an information sheet of an identity document, to an information sheet of an identity document comprising a hinge obtained according to said method thus than to an identity document comprising said information sheet.
• Document EP1008459 describes an identity document which includes an information sheet, supporting at least one identifier of the holder of the identity document, linked to the rest of the identity document by a hinge.
• the information sheet comprises an assembly of polycarbonate layers and a polypropylene layer which extends beyond the polycarbonate layers so as to define a strip of material connected to the rest of the identity document and to form a hinge.
• the polypropylene layer is associated with a woven structure.
• Document EP1812244 describes an identity document which comprises an information sheet linked to the rest of the identity document by a hinge comprising a textile layer positioned between two layers of reinforcement of the adhesion in thermoplastic resin.
• Document EP1502765 describes, like the previous documents, an identity document which presents an information sheet linked to the rest of the identity document by a hinge comprising only a woven layer.
• the document EP2904547 describes an interlayer intended for a portable multi-layer data medium of small format which comprises, according to one embodiment, a layer of plastic material interposed between two layers of fabric. This document proposes a solution aiming to obtain a spacer with an embossed surface.
• the hinge thus produced is either too flexible and does not offer sufficient hold in the direction of hinge or is too rigid and does not allow the identity document to keep a closed state.
• the present invention aims to remedy all or part of the drawbacks of the prior art.
• the subject of the invention is a method for producing an information sheet of an identity document, said information sheet comprising at least one information layer and a hinge which comprises a hot-melt layer. interposed between two woven layers having meshes, the hot-melt layer being nested in the meshes of the woven layers after assembly.
• the hot-melt layer and the woven layers are subjected to at least one rolling step at a rolling temperature so that the hot-melt layer is embedded in the meshes of the woven layers after the rolling step, the hot-melt layer being in a first material which is deformable and / or fusible at the rolling temperature, the woven layers and / or the hot-melt layer having characteristics giving the hinge satisfactory strength and flexibility allowing an identity document integrating it to retain a closed state.
• the hinge comprises a single hot-melt layer and only two woven layers
• each mesh of the woven layers has a square or rectangular section and has a smaller dimension between 0.23 and 0.26 mm;
• the hot-melt layer is made of polycarbonate
• the hot-melt layer has a thickness of between 40 and 60 ⁇ m;
• the woven layers each have a thickness of between 50 and 100 ⁇ m;
• the method further comprises a step of positioning at least one information layer on a first face of the assembly of link layers and / or at least one information layer on a second face of the assembly of tie layers as well as a laminating step so as to obtain cohesion between the information layer (s) and the assembly of tie layers.
• the invention also relates to an information sheet obtained from said method and an identity document comprising at least one such information sheet.
• FIG. 1 is a perspective view of an identity document which illustrates an embodiment of the invention
• FIG. 2 is a top view of the identity document of FIG. 1 in the open state
• Figure 3 is a top view of the identity document of Figure 1 in the closed state
• Figure 4 is a perspective view of an information sheet fitted with a hinge which illustrates an embodiment of the invention
• FIG. 5 is a section through an assembly of link layers of the information sheet visible in FIG. 4, and
• FIG. 6 is a section of the information sheet visible in FIG. 4.
• an identity document 10 such as a passport for example, which has a front cover 12 and a back cover 14 interconnected at a junction area 16 forming a fold, a sheet 18 and a plurality of sheets 20.
• the front and rear covers 12, 14 are made of a more semi-rigid material (more rigid than the sheets 20).
• Each sheet 20 is made of paper and comprises two sheets 20.1, 20.2 rectangular, connected by a fold 20.3.
• the information sheet 18 comprises a rectangular main part 22 having first and second long sides 22.1 and 22.2 as well as first and second short sides 22.2, 22.4.
• first and second long sides 22.1 and 22.2 as well as first and second short sides 22.2, 22.4.
• the information sheet 18 includes a hinge 24 connected to the second large side 22.2 of the central part 22.
• the front and rear covers 12, 14, the information sheet 18 and the sheets 20 are connected by a seam line 26 positioned at the junction zone 16 of the front and back covers 12, 14, hinge 24 of the information sheet and folds 20.3 of the sheets 20.
• the identity document 10 comprises a support sheet 28 (in dotted lines in FIG. 2) presenting a first sheet 28.1 forming a front plate configured to be glued against the interior face of the front cover 12 and a second sheet 28.2 forming a rear counter-plate configured to be glued against the inner face of the back cover 14.
• the assembly process includes the steps of connecting the information sheet 18 to the support sheet 28 by means of several glue dots, positioning the other sheets 20, to be linked by means of the seam line 26 to the information sheet 18 , the support sheet 28 and the sheets 20, to glue the front and rear covers 12, 14 and the support sheet 28 then to fold the identity document 10.
• two identity documents are assembled simultaneously and then are separated by a cut perpendicular to the seam line 26.
• the information sheet 18 comprises an assembly of link layers 30 which has a first face 30.1 and a second face 30.2 as well as at least one information layer 32 fixed to one of the first or second faces 30.1, 30.2.
• the information sheet 18 comprises at least one information layer 32 fixed on the first face 30.1 of the assembly of bonding layers 30 and / or at least one information layer 34 fixed on the second face 30.2 of the assembly of bonding layers 30.
• the information sheet 18 comprises, on the first face 30.1, a first opaque layer 32.1 of plastic material, for example of white polycarbonate, a second transparent layer 32.2 of plastic material as well as '' a third transparent layer 32.3 of plastic, and on the second face 30.2, a first opaque layer 34.1 of plastic, in white polycarbonate for example, as well as a second transparent layer 34.2 of plastic, at least one of the layers 32.1 to 32.3, 34.1 and 34.2 comprising at least one identifier of the holder of the identity document 10 and ensuring the function of information layer 32, 34.
• a first opaque layer 32.1 of plastic material for example of white polycarbonate
• a second transparent layer 32.2 of plastic material as well as a third transparent layer 32.3 of plastic
• a first opaque layer 34.1 of plastic in white polycarbonate for example, as well as a second transparent layer 34.2 of plastic
• at least one of the layers 32.1 to 32.3, 34.1 and 34.2 comprising at least one identifier of the holder of the identity document 10 and
• the information layers 32, 34 or any other layer fixed to one of the first and / or second faces 30.1, 30.2 of the assembly of link layers 30 are rectangular and have the same dimensions as the main part 22 of the information sheet 18.
• the assembly of link layers 30 also includes a first small edge, a second small edge, a first large edge 36.1 and a second large edge 36.2.
• the first and second small edges of the assembly of bonding layers 30 are respectively aligned with the first and second short sides 22.2, 22.4 of the part main 22 and the first large edge 36.1 is aligned with the first large side 22.1 of the main part 22.
• the distance separating the first and second large edges 36.1, 36.2 from the assembly of bonding layers 30 is greater than that separating the first and second long sides 22.1, 22.2 of the main part 22 so that the assembly of connecting layers 30 comprises a strip of material not covered by the main part 22 which forms the hinge 24.
• the hinge is an assembly of bonding layers 30 which comprises a hot-melt layer 38 interposed between two woven layers 40, 42.
• the hot-melt layer 38 and the woven layers 40, 42 are assembled during at least one rolling step at a given rolling temperature, the hot-melt layer 38 being made of a first material which is deformable and / or fusible at the rolling temperature.
• the woven layers 40, 42 are made of a material whose melting temperature is higher than the rolling temperature.
• the woven layers 40, 42 are positioned symmetrically with respect to the central hot-melt layer 38.
• the assembly of bonding layers 30 comprises a single hot-melt layer 38 and only two woven layers 40, 42.
• the hot-melt layer 38 and the woven layers 40, 42 have characteristics which give the hinge 24 satisfactory resistance, in particular to pulling out, and flexibility allowing an identity document integrating it to keep a closed state.
• the hot-melt layer 38 is made of polycarbonate.
• the hot-melt layer 38 has a thickness of between 40 and 60 ⁇ m.
• the hot-melt layer 38 has a thickness of the order of 50 ⁇ m. This choice of thickness makes it possible to obtain a compromise between the mechanical strength of the hinge 24 and its flexibility which allows an identity document integrating it to keep a closed state.
• Each woven layer 40, 42 comprises natural or synthetic fibers which are arranged so as to define meshes delimiting openings passing through the woven layer 40, 42.
• Each mesh has a square or rectangular section and has a smaller dimension between 0, 23 and 0.26 mm. This choice for the meshes makes it possible to obtain a compromise between the mechanical resistance of the hinge 24 and its flexibility which allows an identity document integrating it to keep a closed state.
• the meshes of each woven layer 40, 42 have identical square sections of 0.23 to 0.26 mm on a side.
• the woven layers 40, 42 can have different or identical meshes.
• the woven layers 40, 42 each have a thickness (corresponding approximately to twice the diameter of the fibers) of between 50 and 100 ⁇ m. According to one embodiment, the woven layers 40, 42 have a thickness of the order of 85 ⁇ m. This choice of thickness makes it possible to obtain a compromise between the mechanical strength of the hinge 24 and its flexibility which allows an identity document integrating it to keep a closed state.
• the woven layers 40, 42 are positioned on either side of the hot-melt layer 38 and the woven layers 40, 42 and the hot-melt layer 38 are subjected to a first step rolling at a first rolling temperature.
• the hot-melt layer 38 is embedded in the meshes of the woven layers 40, 42 so as to obtain excellent cohesion between the woven layers 40, 42 and the hot-melt layer 38.
• the meshes of the woven layers 40, 42 are closed by the material of the hot-melt layer 38.
• the assembly of bonding layers 30 has a thickness of between 80 and 120 ⁇ m, of the order of 100 ⁇ m.
• the information layers 32, 34 and any other layer are positioned on either side of the assembly of link layers 30 and this assembly is subjected to a second rolling step at a second rolling temperature, so to obtain cohesion between the information layer (s) and the assembly of link layers 30.
• the first and second rolling stages are not described further since they may vary depending on the materials of the assembled layers.
• the invention is not limited to this method of obtaining to obtain the assembly of the different layers of the information sheet 18.
• the bonding layers 30 may not extend over the entire surface of the central part 22 but only over a part.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Laminated Bodies (AREA)
• Credit Cards Or The Like (AREA)
• Manufacture Or Reproduction Of Printing Formes (AREA)

Priority Applications (9)

Applications Claiming Priority (2)

Publications (1)

Family

ID=66530342

Family Applications (1)

Country Status (13)

Citations (5)

• 2019
  • 2019-01-09 FR FR1900177A patent/FR3091497B1/fr active Active
  • 2019-12-18 PL PL19828702.1T patent/PL3908468T3/pl unknown
  • 2019-12-18 HR HRP20230731TT patent/HRP20230731T1/hr unknown
  • 2019-12-18 RS RS20230507A patent/RS64324B1/sr unknown
  • 2019-12-18 HU HUE19828702A patent/HUE062900T2/hu unknown
  • 2019-12-18 EP EP19828702.1A patent/EP3908468B1/fr active Active
  • 2019-12-18 ES ES19828702T patent/ES2950971T3/es active Active
  • 2019-12-18 LT LTEPPCT/EP2019/085851T patent/LT3908468T/lt unknown
  • 2019-12-18 DK DK19828702.1T patent/DK3908468T3/da active
  • 2019-12-18 SI SI201930581T patent/SI3908468T1/sl unknown
  • 2019-12-18 FI FIEP19828702.1T patent/FI3908468T3/en active
  • 2019-12-18 WO PCT/EP2019/085851 patent/WO2020144014A1/fr unknown
  • 2019-12-18 PT PT198287021T patent/PT3908468T/pt unknown

Patent Citations (6)

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