Heat sensitive inked element for high speed thermal printers

Details Heat sensitive inked element for high speed thermal printers Heat sensitive inked element for high speed thermal printers

1984-03-28

1987-08-18

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

400120, 4002411, 428347, 428348, 428349, 4284881, 428913, 428914, B32B 702, C09J 702

Patent

active

046877010

ABSTRACT:
The inked element which is preferably in ribbon form comprises a flexible plastics carrier of a thickness of from 5 to 15.mu., covered with a thermotransferable coating which is 2 to 6.mu. in thickeness. The mixture of the coating comprises a blend of thermoplastic resins of non-polymeric type with natural or synthetic waxes with a melting point of between 60.degree. and 80.degree. C. The waxes and the resins are so selected as to be compatible with each other and to provide a melting point of between 60.degree. and 80.degree. C. and a melt viscosity of between 50 to 1000 cps. The ribbon makes it possible to print at a printing rate of 40 to 120 characters/sec on papers having a Bendtsen roughness of 10 to 100 ml/min. The ribbon can be prepared with bands of different colors for multi-color printing.

REFERENCES:
patent: 3944695 (1976-03-01), Kosaka et al.
patent: 3989131 (1976-11-01), Knirsch et al.
patent: 4461586 (1984-07-01), Kawanishi et al.
patent: 4465389 (1984-08-01), Knirsch et al.
patent: 4474844 (1984-10-01), Omori et al.

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