CA2574140C - Appareil d'orientation de paillettes magnetiques - Google Patents

Appareil d'orientation de paillettes magnetiques Download PDF

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Publication number
CA2574140C
CA2574140C CA2574140A CA2574140A CA2574140C CA 2574140 C CA2574140 C CA 2574140C CA 2574140 A CA2574140 A CA 2574140A CA 2574140 A CA2574140 A CA 2574140A CA 2574140 C CA2574140 C CA 2574140C
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CA
Canada
Prior art keywords
roller
magnetic
substrate
flakes
axle
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.)
Active
Application number
CA2574140A
Other languages
English (en)
Other versions
CA2574140A1 (fr
Inventor
Vladimir P. Raksha
Jay M. Holman
Paul G. Coombs
Charles T. Markantes
Roger W. Phillips
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.)
Viavi Solutions Inc
Original Assignee
JDS Uniphase Corp
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
Priority claimed from US11/278,600 external-priority patent/US8343615B2/en
Priority claimed from US11/552,219 external-priority patent/US7876481B2/en
Priority claimed from US11/560,927 external-priority patent/US7717038B2/en
Application filed by JDS Uniphase Corp filed Critical JDS Uniphase Corp
Publication of CA2574140A1 publication Critical patent/CA2574140A1/fr
Application granted granted Critical
Publication of CA2574140C publication Critical patent/CA2574140C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Un appareil d'impression comprend un rouleau pivotant magnétique ayant une surface extérieure lisse égale servant à aligner des paillettes magnétiques dans un porteur, comme un support d'encre ou un récipient de peinture pour créer des images variables d'un point de vue optique lors d'une opération d'impression linéaire haute vitesse. Les images peuvent fournir des caractéristiques de sécurité sur des documents de grande valeur, comme des billets de banque. Les paillettes magnétiques de l'encre sont alignées à l'aide des parties magnétiques du rouleau, qui peuvent être formées par des aimants permanents intégrés dans un corps de rouleau non magnétique ou des portions magnétisées de manière sélective d'un revêtement magnétique du rouleau. Dans certaines réalisations, le rouleau est assemblé pour former une pluralité de sections interchangeables, qui peuvent comprendre des aimants tournants. L'orientation sélectionnée des paillettes de pigments magnétiques peut produire une variété d'effets optiques illusoires qui sont utiles à des fins de décoration ou de sécurité.
CA2574140A 2006-01-17 2007-01-16 Appareil d'orientation de paillettes magnetiques Active CA2574140C (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US75935606P 2006-01-17 2006-01-17
US60/759,356 2006-01-17
US77708606P 2006-02-27 2006-02-27
US60/777,086 2006-02-27
US11/278,600 US8343615B2 (en) 2002-07-15 2006-04-04 Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures
US11/278,600 2006-04-04
US11/552,219 US7876481B2 (en) 1999-07-08 2006-10-24 Patterned optical structures with enhanced security feature
US11/552,219 2006-10-24
US11/560,927 2006-11-17
US11/560,927 US7717038B2 (en) 2005-11-18 2006-11-17 Magnetic plate for printing of optical effects

Publications (2)

Publication Number Publication Date
CA2574140A1 CA2574140A1 (fr) 2007-07-17
CA2574140C true CA2574140C (fr) 2015-03-17

Family

ID=38283424

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2574140A Active CA2574140C (fr) 2006-01-17 2007-01-16 Appareil d'orientation de paillettes magnetiques

Country Status (1)

Country Link
CA (1) CA2574140C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2433798B1 (fr) 2010-09-24 2015-04-08 KBA-NotaSys SA Système et procédé d'orientation de paillettes magnétiques contenues dans une encre ou un véhicule vernis appliquées sur un substrat en forme de feuille ou de bande
RU2738179C2 (ru) 2016-08-16 2020-12-09 Сикпа Холдинг Са Способы получения слоев с эффектом

Also Published As

Publication number Publication date
CA2574140A1 (fr) 2007-07-17

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