ES2988654T3 - Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, oblongas, no esféricas y orientadas - Google Patents

Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, oblongas, no esféricas y orientadas Download PDF

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Publication number
ES2988654T3
ES2988654T3 ES20701644T ES20701644T ES2988654T3 ES 2988654 T3 ES2988654 T3 ES 2988654T3 ES 20701644 T ES20701644 T ES 20701644T ES 20701644 T ES20701644 T ES 20701644T ES 2988654 T3 ES2988654 T3 ES 2988654T3
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Spain
Prior art keywords
magnetic
generating device
magnetic field
field generating
dipole magnets
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ES20701644T
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English (en)
Spanish (es)
Inventor
Evgeny Loginov
Claude-Alain Despland
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SICPA Holding SA
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SICPA Holding SA
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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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/369—Magnetised or magnetisable materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
    • B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
    • 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
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • 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
    • B42D25/405—Marking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
ES20701644T 2019-02-08 2020-01-30 Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, oblongas, no esféricas y orientadas Active ES2988654T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19156150 2019-02-08
PCT/EP2020/052265 WO2020160993A1 (en) 2019-02-08 2020-01-30 Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical oblate magnetic or magnetizable pigment particles

Publications (1)

Publication Number Publication Date
ES2988654T3 true ES2988654T3 (es) 2024-11-21

Family

ID=65365839

Family Applications (1)

Application Number Title Priority Date Filing Date
ES20701644T Active ES2988654T3 (es) 2019-02-08 2020-01-30 Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, oblongas, no esféricas y orientadas

Country Status (8)

Country Link
US (1) US12097720B2 (https=)
EP (1) EP3921090B1 (https=)
JP (1) JP7463633B2 (https=)
KR (1) KR102820751B1 (https=)
CN (1) CN113412164B (https=)
CA (1) CA3128938A1 (https=)
ES (1) ES2988654T3 (https=)
WO (1) WO2020160993A1 (https=)

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Publication number Publication date
EP3921090B1 (en) 2024-02-28
KR102820751B1 (ko) 2025-06-12
JP2022519865A (ja) 2022-03-25
WO2020160993A1 (en) 2020-08-13
CN113412164B (zh) 2023-02-03
CN113412164A (zh) 2021-09-17
US12097720B2 (en) 2024-09-24
US20220134794A1 (en) 2022-05-05
JP7463633B2 (ja) 2024-04-09
CA3128938A1 (en) 2020-08-13
KR20210124359A (ko) 2021-10-14
EP3921090A1 (en) 2021-12-15

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