EP1159139A1 - Marques tactiles pour billets de banque et procede de fabrication associe - Google Patents

Marques tactiles pour billets de banque et procede de fabrication associe

Info

Publication number
EP1159139A1
EP1159139A1 EP00907390A EP00907390A EP1159139A1 EP 1159139 A1 EP1159139 A1 EP 1159139A1 EP 00907390 A EP00907390 A EP 00907390A EP 00907390 A EP00907390 A EP 00907390A EP 1159139 A1 EP1159139 A1 EP 1159139A1
Authority
EP
European Patent Office
Prior art keywords
sheet material
micrometers
indicia
embossments
embossment
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.)
Granted
Application number
EP00907390A
Other languages
German (de)
English (en)
Other versions
EP1159139B1 (fr
Inventor
Eric A. Lyen
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.)
Canadian Bank Note Co Ltd
Original Assignee
Canadian Bank Note Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4163339&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1159139(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canadian Bank Note Co Ltd filed Critical Canadian Bank Note Co Ltd
Priority claimed from PCT/CA2000/000229 external-priority patent/WO2000051824A1/fr
Publication of EP1159139A1 publication Critical patent/EP1159139A1/fr
Application granted granted Critical
Publication of EP1159139B1 publication Critical patent/EP1159139B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/02Dusting, e.g. with an anti-offset powder for obtaining raised printing such as by thermogravure ; Varnishing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/16Braille printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/29Securities; Bank notes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30Identification or security features, e.g. for preventing forgery
    • B42D25/324Reliefs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/405Marking
    • B42D25/425Marking by deformation, e.g. embossing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/45Associating two or more layers
    • B42D25/455Associating two or more layers using heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; 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
    • B42D25/00Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40Manufacture
    • B42D25/45Associating two or more layers
    • B42D25/46Associating two or more layers using pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock

Definitions

  • the invention is in the field of document printing and production and, in particular, relates to the production of documents, such as banknotes, having embossments therein which provide durable tactile indicia for use, for example, by persons who are blind.
  • denominational value or identity of banknotes and many other types of documents can be readily discerned by persons whose eyesight is not impaired but for persons who are blind it is necessary to use other means, such as a portable reader designed for the particular document in question, to determine such information.
  • a printed braille section placed on such a document could provide a means for such identification and, advantageously, would be integral to the document and avoid the need for an auxiliary reading device.
  • a sheet material e.g. a sheet or laminate comprising paper having tactile indicia the tactility of which is resistant to deterioration.
  • the sheet material has therein at least one embossment forming the indicia.
  • a first surface and a second surface are provided by the sheet material and one of the surfaces defines a cavity in the area of the embossment.
  • a layer of reinforcing material is provided to at least the area of that one surface which comprises the cavity.
  • the reinforcing material may be selected from the group consisting of varnishes, inks, adhesives and caulking compounds.
  • the thickness of the sheet material is between 75 micrometers and 150 micrometers
  • the outer width of the embossment is between 500 micrometers and 1200 micrometers
  • the thickness of the reinforcing material is between 20 micrometers and 40 micrometers.
  • the indicia may comprise a plurality of embossments arranged in a predetermined pattern such that the indicia enables a sight impaired person to identify one or more predetermined characteristics of the sheet material (e.g. the denomination) by means of feel.
  • the indicia comprise one or more spaced symbols and each symbol comprises a plurality of rows and columns of embossments (four rows and two columns being preferred) wherein the outer width of each embossment is about 1000 micrometers, the embossments are spaced apart about 2000 micrometers in the symbols and the symbols are spaced apart about 14,500 micrometers.
  • Also provided in accordance with the invention is a method of making a sheet material having tactile indicia the tactility of which is resistant to deterioration.
  • the steps of the method include embossing a sheet material comprising first and second surfaces with at least one embossment to form the indicia whereby one of the surfaces defines a cavity in the area of the embossment.
  • a layer of a reinforcing material is applied to that one surface of the sheet material in at least the area comprising the cavity and the reinforcing material is dried and/or cured.
  • Figure 1 is a cross-sectional view of a banknote substrate showing a single embossment therein which is reinforced in accordance with the present invention
  • Figure 2 is a front view of a banknote having incorporated therein, in a pattern in the upper right-hand corner of the banknote, tactile embossed indicia comprised according to that shown in Figure 1;
  • Figure 3 is an enlarged, schematic cross-sectional view as seen at section III-III of Figure 2;
  • Figure 4 shows examples of three different patterns ( (a) , (b) and (c) ) of tactile embossed indicia comprised according to that shown in Figure 1; and,
  • Figure 5 shows a ten dollar banknote with a preferred configuration of embossments therein.
  • FIG. 1 of the drawings shows a cross-sectional view of a sheet material 30 in accordance with the claimed invention.
  • the sheet material 30 is a banknote 10 (see Figures 2 and 3) which has been embossed in a conventional manner by pressing the sheet between male and female dies or between a male die and compressible blanket.
  • the sheet material may, for example, be comprised of paper or a lamination of a thermoplastic layer sandwiched by two paper layers and, alternatively, could be any of a variety of other substrates, such as plastic, which will be readily recognized by one skilled in the art.
  • the sheet material 30 has first and second surfaces, one of which is the top surface 35 and the other of which is the bottom surface 37.
  • the embossments are situated to provide raised areas on the top surface of the bank note but, if desired, an embodiment providing the embossments on the bottom surface of the bank note could instead be selected.
  • each embossment 20 creates a raised area in the top surface 35 of the sheet material and a cavity 25 in the bottom surface 37 of the sheet material.
  • the banknote 10 is embossed with a plurality of embossments 20 forming tactile indicia which are arranged in a predetermined pattern and can be used by a sight impaired person to identify the characteristic denomination of that banknote by feeling and decoding the indicia .
  • the bottom surface of the sheet material in (at least) the area comprising the cavity 25 is provided with a layer of a fluid reinforcing material 40 which, when dried and/or cured, reinforces the cavity 25.
  • This layer is applied to the surface of the sheet material by coating the surface and some of the reinforcing material is absorbed into the sheet material.
  • the thickness of the reinforcing layer (C) specified herein means the thickness of the layer when it is applied (i.e. before some of it is absorbed into the sheet material) .
  • the reinforcing material 40 may be any suitable material whose nature and durability is such that it reinforces the embossment so as to render it more permanent and is able to bond satisfactorily to the selected sheet material and retain flexibility when dried and/or cured (i.e. without becoming brittle) such as by radiation curing, oxidation, polymerization, solvent evaporation, solvent penetration or electron beam.
  • the reinforcing material to be selected should be compatible with the printing means used to print the banknote or other document utilizing the sheet material such that, for example, it may be applied by roller coating, blade coating, screen printing, gravure printing, flexographic printing or spray coating.
  • any number of the varnishes, inks, adhesives and caulking compounds which are readily available in the marketplace may be suitable for selection as the reinforcing material 40.
  • a satisfactory reinforcing material is varnish such as the UV overprint varnish produced by Sun Chemical of Brampt ⁇ n, Ontario having the product number R2708-136 which demonstrates good adhesion to paper, provides good flexibility and does not significantly change colour on aging.
  • Figure 1 illustrates, in cross-section, the structure of the tactile indicia (embossment 20) of a preferred embodiment of the invention.
  • the thickness B of the sheet material 30 is in the range of 75 and 150 micrometers
  • the embossment 20 has a relief D of between 70 and 150 micrometers and an outer width A of between 500 and 1200 micrometers
  • the thickness C of the reinforcing layer (varnish) 40 when it is applied is between 20 and 40 micrometers.
  • the final thickness is less than this.
  • the size of the relief to be selected for the embossments is dependent on the particular application and the type of sheet material to be used since some materials will allow larger reliefs to be formed (without tearing) than will others but too high and/or too thin an embossment is undesirable as these may be subject to breaking or tearing off of the sheet material. It has been found that some materials will permit a larger relief than their thickness .
  • the embossments 20 are circular which is a preferred shape for use by sight impaired persons due to its simplicity and uniformity.
  • any shape may be utilized for the embossments in accordance with the invention and for different applications the use of different shapes may be preferred.
  • the banknote 10 includes two spaced symbols 50 which, together, may be designated to identify the denomination of the bank note. A lesser or greater number of these symbols can be designated to identify a different denomination for the banknote. Equally, the number of embossments making up a symbol may be varied as shown by Figure 4 in which Figure 4 (a) shows two symbols 50 each comprising one column of four embossments 20, Figure 4 (b) shows two symbols 50 each comprising two adjacent columns of four embossments 20 (being four adjacent rows of two embossments) and Figure 4(c) shows two symbols 50 each comprising three adjacent columns of four embossments (being four adjacent rows of three embossments) .
  • each symbol 50 is comprised of two columns of four embossments 20, with each embossment having a relief D of 140 micrometers and an outer width A of 1000 micrometers, and the thicknesses B and C of the sheet material 30 and reinforcing layer 40 when applied are 125 and 20 micrometers, respectively.
  • the edge to edge distance E between each embossment 20 within each symbol 50 is 2000 micrometers and the distance of the spacing F between each symbol 50 is 14.5 millimeters (14,500 micrometers).
  • the embossments 20 are preferably spaced about 3 millimeters (3000 micrometers) from the top and side edges of the bank note. This arrangement has been shown to provide the optimal combination of tactile indicia to result in successful detection of the denomination of a banknote when subject to the wear of circulation.
  • the selected reinforcing material 40 may include additives such as optically variable pigments, coloured pigments, phosphors, fluorescors, or any taggants which can be activated by a specific energy wavelength so as to emit in response detectable energy in a specific but different wavelength, in order to provide to the banknote a covert security feature within the tactile indicia.
  • additives such as optically variable pigments, coloured pigments, phosphors, fluorescors, or any taggants which can be activated by a specific energy wavelength so as to emit in response detectable energy in a specific but different wavelength, in order to provide to the banknote a covert security feature within the tactile indicia.
  • a further aspect of the invention utilizes a sheet material comprising thermoplastic, specifically a laminate of outer paper sheets and an inner thermoplastic sheet as described above, to mold tactile indicia into the sheet material.
  • a sheet material comprising a thermoplastic layer is embossed with a plurality of embossments so as to form tactile indicia therein in such a manner that heat is applied to the sheet material, in at least the area in which the embossments are to be formed, at the same time that the embossments are formed or immediately prior thereto. Thereafter, the sheet material is cooled.
  • thermoplastic layer of sheet material in the area of the embossments is caused to soften and harden into the form of the embossments and a reinforcing layer of varnish or other suitable material is applied to the embossed laminate, as described above, to provide durable tactile indicia.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Credit Cards Or The Like (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention se rapporte à un matériau en feuille se présentant par exemple comme un billet de banque et comportant une marque tactile intégrée dont l'aptitude à être décelée au toucher résiste à la détérioration et qui permet d'aider des personnes présentant une déficience d'acuité visuelle à identifier une ou plusieurs caractéristiques du matériau en feuille, par exemple au moins une gaufrure constituant la marque. Ledit matériau en feuille possède une première surface et une seconde surface, l'une de ces surfaces définissant une cavité dans zone de la gaufrure. Une couche de matériau de renforcement est formée sur au moins la zone de cette surface qui comporte la cavité. Une fois que le matériau de renforcement est séché et/ou polymérisé, la gaufrure (la marque) est renforcée par la couche constituée de ce matériau de renforcement et de ce fait rendue plus résistante à l'usure que subit le billet de banque lors de sa circulation. Le matériau de renforcement peut être sélectionné dans le groupe constitué de vernis, d'encres, d'adhésifs et de composés de calfeutrage.
EP00907390A 1999-03-01 2000-02-29 Marques tactiles pour billets de banque et procede de fabrication associe Expired - Lifetime EP1159139B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2263616 1999-03-01
CA002263616A CA2263616C (fr) 1999-03-01 1999-03-01 Empreinte tactile durable pour billets de banque/documents et methode de fabrication
PCT/CA2000/000229 WO2000051824A1 (fr) 1999-03-01 2000-02-29 Marques tactiles pour billets de banque et procede de fabrication associe

Publications (2)

Publication Number Publication Date
EP1159139A1 true EP1159139A1 (fr) 2001-12-05
EP1159139B1 EP1159139B1 (fr) 2003-04-09

Family

ID=4163339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00907390A Expired - Lifetime EP1159139B1 (fr) 1999-03-01 2000-02-29 Marques tactiles pour billets de banque et procede de fabrication associe

Country Status (4)

Country Link
EP (1) EP1159139B1 (fr)
CA (1) CA2263616C (fr)
DE (1) DE60002054T2 (fr)
HK (1) HK1043963B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1439076A1 (fr) * 2003-01-15 2004-07-21 Kba-Giori S.A. Elément de sécurité pour documents
WO2010067075A1 (fr) 2008-12-12 2010-06-17 De La Rue International Limited Document de sécurité

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011108239A1 (de) 2011-07-21 2013-01-24 Giesecke & Devrient Gmbh Datenträger mit taktilem Sicherheitsmerkmal
DE102011119730A1 (de) * 2011-11-30 2013-06-06 Giesecke & Devrient Gmbh Datenträger mit taktilem Sicherheitsmerkmal
EP2917879B1 (fr) * 2012-11-09 2019-08-14 Entrust Datacard Corporation Outil de marquage
DE102014010312A1 (de) * 2014-07-10 2016-01-14 Giesecke & Devrient Gmbh Datenträger mit taktiler Reliefstruktur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0051824A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1439076A1 (fr) * 2003-01-15 2004-07-21 Kba-Giori S.A. Elément de sécurité pour documents
WO2004062939A3 (fr) * 2003-01-15 2004-09-16 Kba Giori Sa Element de securite destine a des documents
WO2010067075A1 (fr) 2008-12-12 2010-06-17 De La Rue International Limited Document de sécurité

Also Published As

Publication number Publication date
CA2263616C (fr) 2002-05-14
HK1043963B (zh) 2004-02-06
DE60002054D1 (de) 2003-05-15
HK1043963A1 (en) 2002-10-04
CA2263616A1 (fr) 2000-09-01
EP1159139B1 (fr) 2003-04-09
DE60002054T2 (de) 2004-04-08

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