JPS56115288A - Method of preventing forgery of seal by using heat-sensitive ink - Google Patents

Method of preventing forgery of seal by using heat-sensitive ink

Info

Publication number
JPS56115288A
JPS56115288A JP1961880A JP1961880A JPS56115288A JP S56115288 A JPS56115288 A JP S56115288A JP 1961880 A JP1961880 A JP 1961880A JP 1961880 A JP1961880 A JP 1961880A JP S56115288 A JPS56115288 A JP S56115288A
Authority
JP
Japan
Prior art keywords
seal
seal impression
ink
ultraviolet
impression
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
JP1961880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS633758B2 (enrdf_load_stackoverflow
Inventor
Eisuke Shioyama
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP1961880A priority Critical patent/JPS56115288A/ja
Publication of JPS56115288A publication Critical patent/JPS56115288A/ja
Publication of JPS633758B2 publication Critical patent/JPS633758B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Sensitive Colour Forming Recording (AREA)
  • Printing Methods (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
JP1961880A 1980-02-19 1980-02-19 Method of preventing forgery of seal by using heat-sensitive ink Granted JPS56115288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1961880A JPS56115288A (en) 1980-02-19 1980-02-19 Method of preventing forgery of seal by using heat-sensitive ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1961880A JPS56115288A (en) 1980-02-19 1980-02-19 Method of preventing forgery of seal by using heat-sensitive ink

Publications (2)

Publication Number Publication Date
JPS56115288A true JPS56115288A (en) 1981-09-10
JPS633758B2 JPS633758B2 (enrdf_load_stackoverflow) 1988-01-26

Family

ID=12004167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1961880A Granted JPS56115288A (en) 1980-02-19 1980-02-19 Method of preventing forgery of seal by using heat-sensitive ink

Country Status (1)

Country Link
JP (1) JPS56115288A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075767A1 (fr) * 2007-12-27 2009-07-01 Banque Nationale de Belgique Dispositif anti-contrefaçon bicouche

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075767A1 (fr) * 2007-12-27 2009-07-01 Banque Nationale de Belgique Dispositif anti-contrefaçon bicouche
WO2009083570A1 (en) * 2007-12-27 2009-07-09 Banque Nationale De Belgique Two-layer anti-counterfeiting device

Also Published As

Publication number Publication date
JPS633758B2 (enrdf_load_stackoverflow) 1988-01-26

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