Ribbon guiding for thermal lift-off correction

Typewriting machines – Means auxiliary to typewriting function – Means for correcting typing errors

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Details

400120, 400248, 4002411, B41J 2916

Patent

active

043963080

ABSTRACT:
In thermal printing the guide (29) positionable toward the platen (3) on a pivoted arm (50) during lift-off correction allows a bond for correction to set before the ribbon (22) is pulled away. The ribbon (22) has an outer layer which adheres to printed characters at somewhat elevated temperatures but is non-tacky at room temperatures. Thermal printing is conducted by setting the switch (44) for heating to temperatures higher than the lift-off temperature.

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patent: 3998314 (1976-12-01), Barouh et al.
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patent: 4329071 (1982-05-01), Applegate et al.
patent: 4329075 (1982-05-01), Applegate et al.
patent: 4345845 (1982-08-01), Bohnhoff et al.
IBM Technical Disclosure Bulletin, "Delayed Tack Ribbon for Laser Transfer and Other Printing", Bruce et al., vol. 19, No. 2, Jul. 1976, p. 672.
IBM Technical Disclosure Bulletin, "Electrothermal Ribbon Path, Applegate et al., vol. 23, No. 5, Oct. 1980, p. 2012.
IBM Technical Disclosure Bulletin, "Color Thermal-Transfer Printing", Edgar et al., vol. 23, No. 7A, Dec. 1980, pp. 2633-2634.

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