Print ribbon comprising a frictional back layer

Details Print ribbon comprising a frictional back layer Print ribbon comprising a frictional back layer

1984-07-13

1986-02-11

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Ribbon, per se

4002411, 400702, 400241, B41J 3105, B41J 3106

Patent

active

045696098

ABSTRACT:
A multi-strike (typewriter) ribbon comprising a web of synthetic resinous material having top and bottom surfaces with an ink coating on the top surface of the web and a back layer on the bottom surface of the web, the back layer providing a clean, frictional surface which provides good contact with the drive apparatus which drives the printing ribbon as it performs a printing function.

REFERENCES:
patent: 893815 (1908-08-01), Clarke
patent: 2980941 (1961-04-01), Miller
patent: 3080954 (1963-03-01), Newman
patent: 3092236 (1963-06-01), Campbell
patent: 3330791 (1967-07-01), Mater
patent: 3348651 (1967-10-01), Mater
patent: 3872961 (1975-03-01), St. James
patent: 4321286 (1982-03-01), Scott
patent: 4477198 (1984-10-01), Bowlds
Findlay, Ribbon Film Coating, Jul. 1972, vol. 15, No. 2, p. 368.
Findlay, Ink to Paper Lubricant, Jun. 1983, vol. 16, No. 1, p. 298.
Klueh, Ribbon with Modified Polyethylene Terephthalate Substrate, Jun. 1984, vol. 27, No. 1B, p. 639.
Dueltgen, Reduction of Friction of Thermal Printing, Nov. 1984, vol. 27, No. 6, p. 3295.

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