Ink composition and wire dot printer including same

Details Ink composition and wire dot printer including same Ink composition and wire dot printer including same

1984-12-21

1986-09-09

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

106 20, 400470, B41J 312, C09D 1100

Patent

active

046105549

ABSTRACT:
A wire dot printer that requires no cover over the wire portion of the printer head when not in service in order to prevent ink drying is constructed using an ink supply devoid of water. The ink composition used in such an ink wire dot printer contains a water soluable dyestuff or an oleaginous dyestuff which is soluable in a polar solvent, a polyhydric alcohol or a derivative thereof and a water soluable amine.

REFERENCES:
patent: 2690973 (1954-10-01), Voet
patent: 4194846 (1980-03-01), Zerillo
patent: 4279519 (1981-07-01), Shiurila
patent: 4289678 (1981-09-01), Calder
patent: 4301049 (1981-11-01), Funatsu
patent: 4400102 (1983-08-01), Shiurila
patent: 4456393 (1984-06-01), Gomi

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