Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent
1989-07-26
1992-04-21
Burr, Edgar S.
Typewriting machines
Including interposed inking device for record-medium
Ribbon, per se
4002412, 400120, B41J 3106
Patent
active
051062178
ABSTRACT:
A release layer effective for both wax-bonded and plastic-bonded or wax and plastic-bonded melt color layers is provided in a thermocolor, e.g. thermocarbon, ribbon in the form of a substance capable of splitting off water at the thermal printing temperature dispersed in a binder.
REFERENCES:
patent: 4150187 (1979-04-01), Brown
patent: 4549824 (1985-10-01), Sachdev et al.
patent: 4744685 (1988-05-01), Mecke et al.
patent: 4863781 (1989-09-01), Kronzer
patent: 4950501 (1990-08-01), Schmedes
Krauter Heinrich
Mecke Norbert
Burr Edgar S.
Dubno Herbert
Keating J. R.
Pelikan Aktiengesellschaft
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