Ribbon cartridge having hybrid ink re-inking
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United States of America Patent
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-
Oct 22, 1991
Grant Date -
N/A
app pub date -
Jun 25, 1990
filing date -
Jun 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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