GB1462257A - Printing method and ribbon - Google Patents

Printing method and ribbon

Info

Publication number
GB1462257A
GB1462257A GB2525774A GB2525774A GB1462257A GB 1462257 A GB1462257 A GB 1462257A GB 2525774 A GB2525774 A GB 2525774A GB 2525774 A GB2525774 A GB 2525774A GB 1462257 A GB1462257 A GB 1462257A
Authority
GB
United Kingdom
Prior art keywords
ink
ribbon
inks
areas
june
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.)
Expired
Application number
GB2525774A
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.)
Litton Industries Inc
Original Assignee
Litton Industries Inc
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 Litton Industries Inc filed Critical Litton Industries Inc
Publication of GB1462257A publication Critical patent/GB1462257A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/16—Multicolour arrangements

Abstract

1462257 Ink ribbons; preventing forgery LITTON INDUSTRIES Inc 6 June 1974 [11 June 1973] 25257/74 Headings B6F and B6A A printing ribbon comprises areas of different colours, at least one area having two superimposed layers of differently coloured inks. A first coloured ink 12 may be applied all over the ribbon while the second ink 13 is applied in selected areas over the first ink. The areas may be diagonal stripes. At least one of the inks, for example the first ink 12, may be a migrating ink. The ribbon causes printed lines to be in varying colours, the characters printed by the superimposed inks being of non-uniform hue.
GB2525774A 1973-06-11 1974-06-06 Printing method and ribbon Expired GB1462257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36894473A 1973-06-11 1973-06-11

Publications (1)

Publication Number Publication Date
GB1462257A true GB1462257A (en) 1977-01-19

Family

ID=23453401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2525774A Expired GB1462257A (en) 1973-06-11 1974-06-06 Printing method and ribbon

Country Status (4)

Country Link
JP (1) JPS5053125A (en)
DE (1) DE2427497C3 (en)
FR (1) FR2232447B1 (en)
GB (1) GB1462257A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246906U (en) * 1975-09-30 1977-04-02
US4195937A (en) * 1977-09-19 1980-04-01 Termcom, Inc. Electroresistive printing apparatus
GB2022018B (en) * 1978-05-30 1982-05-06 Tektronix Inc Thermal transfer colour printer
US4957312A (en) * 1989-12-07 1990-09-18 Peter S. Morello Sales records

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596583A (en) * 1968-09-19 1970-06-22

Also Published As

Publication number Publication date
DE2427497A1 (en) 1975-01-09
DE2427497C3 (en) 1979-03-22
FR2232447A1 (en) 1975-01-03
JPS5053125A (en) 1975-05-12
FR2232447B1 (en) 1979-01-26
DE2427497B2 (en) 1978-07-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee