Method of making a thermocolor ribbon for a thermal printing pro

Details Method of making a thermocolor ribbon for a thermal printing pro Method of making a thermocolor ribbon for a thermal printing pro

1989-05-12

1991-05-28

Bell, Janyce

Coating processes

Transfer or copy sheet making

Coating opposite sides or forming plural or nonuniform coats

4273855, 427395, 4274071, 427411, B41M 312

Patent

active

050194216

ABSTRACT:
A thermal transfer meltable color layer receives a protective polymer coating on the side thereof, to be contacted with the thermal printing head to hold the meltable color material away from the printing head, thereby forming a thermal printing ribbon without the need for a support foil.

REFERENCES:
patent: 3482513 (1969-12-01), Michalchik et al.
patent: 4461586 (1984-07-01), Kawanishi et al.
patent: 4547088 (1985-10-01), Shattuck
patent: 4744685 (1988-05-01), Mecke et al.
patent: 4820551 (1989-04-01), Krauter et al.
IBM Technical Disclosure Bulletin, vol. 24, No. 10, Mar. 1982: "Two-Ribbon Manufacture from Single Substrate".

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