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Title:
MULTI-OPTICAL-COLOR OPTICALLY-VARIABLE PRINTING DEVICE AND PRINTING METHOD THEREOF, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/202708
Kind Code:
A1
Abstract:
Disclosed are a multi-optical-color optically-variable printing device (10) and a printing method thereof, and a readable storage medium. The multi-optical-color optically-variable printing device comprises: a conveying unit (100); a screen printing unit (110), used for printing an ink or a varnish containing a magnetic substance on a printing stock (500); and a plurality of optical-color optically-variable pattern forming units. Each optical-color optically-variable pattern forming unit comprises: magnetizing rollers (130), magnetic orientation components (132) being arranged on each magnetizing roller and used for performing magnetic orientation on the printing stock; and pre-drying and curing devices (160), used for pre-drying and curing the printing stock, each pre-drying and curing device comprising optical mask curing devices (230), the optical mask curing device being fixedly arranged and used for projecting dynamically refreshable variable optical field image-text, and the variable optical field image-text and the printing stock synchronously moving a predetermined distance. The multi-optical-color optically-variable printing device can complete omni-directional splicing, i.e., splicing in any direction, of fixed and variable multi-optical-color optically-variable image-text.

Inventors:
MA JIAN (CN)
LI FANGJIAN (CN)
GUO LISHA (CN)
PAN PINLI (CN)
CHEN XUDONG (CN)
YANG ZHIHONG (CN)
Application Number:
PCT/CN2023/089828
Publication Date:
October 26, 2023
Filing Date:
April 21, 2023
Export Citation:
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Assignee:
CHINA BANKNOTE PRINTING & MINTING CORP (CN)
CHINA BANKNOTE SECURITY PRINTING TECH RESEARCH INSTITUTE CO LTD (CN)
International Classes:
B41F15/12; B41F15/14; B41F33/00; G02B26/08; G02F1/11; G02F1/13; H01F13/00
Foreign References:
CN114801436A2022-07-29
CN113547834A2021-10-26
CN108594617A2018-09-28
CN104149508A2014-11-19
CN208180497U2018-12-04
JP2001034150A2001-02-09
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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