Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent
1982-07-19
1984-07-10
Wright, Jr., Ernest T.
Typewriting machines
Including interposed inking device for record-medium
Ribbon, per se
400120, 4002411, 428913, 428914, B41J 3102
Patent
active
044590555
ABSTRACT:
An ink ribbon for a printing device comprises a substrate of a long thin web of a synthetic resin film having a solid ink coated on one surface thereof, the color of the substrate being the same as that of the solid ink. After the ink ribbon is used, the negative impressions left from the transfer of information to a printing sheet will be illegible.
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patent: 1305296 (1919-06-01), Mackay
patent: 2508725 (1950-05-01), Newman
patent: 2810661 (1957-10-01), Newman et al.
patent: 3625334 (1971-12-01), Ahn
patent: 4051303 (1977-09-01), Hayashi et al.
patent: 4303307 (1981-12-01), Tureck et al.
patent: 4321309 (1982-03-01), Mino et al.
IBM Technical Disclosure Bulletin, "Thermal Display Printer", Kitamura, vol. 16, No. 7, Dec. 1973, p. 2189.
IBM Technical Disclosure Bulletin, "Document Security", Munzel, p. 20.
Asakura Osamu
Nagashima Masasumi
Nozaki Mineo
Uchikata Yoshio
Canon Kabushiki Kaisha
Wright, Jr. Ernest T.
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