Ribbon cartridge having hybrid ink re-inking

Details Ribbon cartridge having hybrid ink re-inking Ribbon cartridge having hybrid ink re-inking

1990-06-25

1991-10-22

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Renovation of used ribbon

4002021, 4002024, B41J 3200

Patent

active

050590456

ABSTRACT:
A cartridge ribbon (2) for impact printing containing an endless ribbon (4) initially carrying ink having dye as its only coloring matter. The initial dye is in heavy enough quantity to permit infrared readability of bar codes printed by the ribbon. Re-inking reservoir (16) transfers ink through drive gear (10) only to the track (28) which is impacted during printing. The ink in the reservoir is colored with carbon black. Bar code functioning is maintained by the carbon black added by re-inking. This limited presence of carbon black does not hamper ribbon feed unacceptably, while a ribbon with a full carbon-black ink would not feed well.

REFERENCES:
patent: 2599561 (1952-06-01), Knight
patent: 4493572 (1985-01-01), Van Ocker et al.
patent: 4653947 (1987-03-01), Echols
patent: 5005996 (1991-04-01), Paterra et al.

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