CA3185018A1 - Magnetic assemblies and methods for producing optical effect layers comprising oriented platelet-shaped magnetic or magnetizable pigment particles - Google Patents

Magnetic assemblies and methods for producing optical effect layers comprising oriented platelet-shaped magnetic or magnetizable pigment particles

Info

Publication number
CA3185018A1
CA3185018A1 CA3185018A CA3185018A CA3185018A1 CA 3185018 A1 CA3185018 A1 CA 3185018A1 CA 3185018 A CA3185018 A CA 3185018A CA 3185018 A CA3185018 A CA 3185018A CA 3185018 A1 CA3185018 A1 CA 3185018A1
Authority
CA
Canada
Prior art keywords
magnetic
bar dipole
dipole magnets
magnets
bar
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.)
Pending
Application number
CA3185018A
Other languages
English (en)
French (fr)
Inventor
Evgeny LOGINOV
Christophe BAUDRAZ
Claude-Alain Despland
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.)
SICPA Holding SA
Original Assignee
SICPA Holding SA
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
Application filed by SICPA Holding SA filed Critical SICPA Holding SA
Publication of CA3185018A1 publication Critical patent/CA3185018A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B42D25/369—Magnetised or magnetisable materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • 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
    • B05D3/06—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 exposure to radiation
    • B05D3/061—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 exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Printing Methods (AREA)
  • Credit Cards Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Rotary Presses (AREA)
  • Laminated Bodies (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paper (AREA)
CA3185018A 2020-05-26 2021-05-21 Magnetic assemblies and methods for producing optical effect layers comprising oriented platelet-shaped magnetic or magnetizable pigment particles Pending CA3185018A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20176506 2020-05-26
EP20176506.2 2020-05-26
PCT/EP2021/063620 WO2021239607A1 (en) 2020-05-26 2021-05-21 Magnetic assemblies and methods for producing optical effect layers comprising oriented platelet-shaped magnetic or magnetizable pigment particles

Publications (1)

Publication Number Publication Date
CA3185018A1 true CA3185018A1 (en) 2021-12-02

Family

ID=70857068

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3185018A Pending CA3185018A1 (en) 2020-05-26 2021-05-21 Magnetic assemblies and methods for producing optical effect layers comprising oriented platelet-shaped magnetic or magnetizable pigment particles

Country Status (11)

Country Link
US (1) US12458999B2 (enExample)
EP (1) EP4157552B1 (enExample)
JP (1) JP7713474B2 (enExample)
KR (1) KR20230015445A (enExample)
CN (1) CN115942999B (enExample)
AU (1) AU2021279119A1 (enExample)
BR (1) BR112022023694A2 (enExample)
CA (1) CA3185018A1 (enExample)
MX (1) MX2022014804A (enExample)
TW (1) TWI886281B (enExample)
WO (1) WO2021239607A1 (enExample)

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TW202541920A (zh) 2023-12-20 2025-11-01 瑞士商西克帕控股有限公司 用於產生光學效應層的製程
TW202543902A (zh) 2024-02-22 2025-11-16 瑞士商西克帕控股有限公司 用於產生n個安全文件的傳送裝置及方法
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WO2025242568A1 (en) 2024-05-22 2025-11-27 Sicpa Holding Sa Apparatuses and processes for producing optical effects layers
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WO2026052662A1 (en) 2024-09-06 2026-03-12 Sicpa Holding Sa Magnetic devices, magnetic apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles
WO2026082735A1 (en) 2024-10-15 2026-04-23 Sicpa Holding Sa Processes for producing optical effect layers

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Also Published As

Publication number Publication date
CN115942999A (zh) 2023-04-07
JP7713474B2 (ja) 2025-07-25
BR112022023694A2 (pt) 2022-12-20
KR20230015445A (ko) 2023-01-31
TW202249273A (zh) 2022-12-16
AU2021279119A1 (en) 2023-02-02
TWI886281B (zh) 2025-06-11
US12458999B2 (en) 2025-11-04
JP2023526950A (ja) 2023-06-26
EP4157552A1 (en) 2023-04-05
EP4157552B1 (en) 2026-05-06
CN115942999B (zh) 2023-09-12
US20230201872A1 (en) 2023-06-29
WO2021239607A1 (en) 2021-12-02
MX2022014804A (es) 2023-01-18

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