Thermal transfer printing method

Details Thermal transfer printing method Thermal transfer printing method

1993-03-16

1994-03-15

Schwartz, Pamela R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156239, 156240, 428195, 428913, 428914, B41M 5025

Patent

active

052942775

ABSTRACT:
A thermal transfer printing method including the steps of: forming first an image on an intermediate transfer drum by heating a meltable-type thermal transfer ink sheet with a thermal head; and transferring the image formed on the intermediate transfer drum onto an image receptor, wherein the meltable-type thermal transfer ink sheet and the image receptor are fed at a velocity V.sub.1 and a velocity V.sub.3, respectively and the intermediate transfer drum rotates at a peripheral velocity V.sub.3, the velocities V.sub.1, V.sub.2 and V.sub.3 satisfying the equations (1), (2) and (3): (1) N.sub.1 =V.sub.2 /V.sub.1 =1 to 10, (2) N.sub.2 =V.sub.3 /V.sub.2 =1 to 10, and (3) N.sub.3 =V.sub.3 /V.sub.1 .gtoreq.2. With such a method, the amount of ink sheet to be consumed can be substantially reduced, and the printing velocity can be increased, while at the same time a printing device for use in this method can be scaled down.

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