Stencil printer and ink viscosity sensing device

Details Stencil printer and ink viscosity sensing device Stencil printer and ink viscosity sensing device

1997-03-07

2000-08-01

Yan, Ren

Printing

Stenciling

Rotary machines

101116, B41L 1300

Patent

active

060950404

ABSTRACT:
A stencil printer or similar printer and an ink viscosity sensing device therefor are disclosed. The viscosity of ink which is the root cause of the degradation of image equality ascribable to, e.g., temperature and down time is directly sensed. The viscosity is combined with other information including a set print speed and the kind of the ink in order to effect delicate print pressure control matching the actual conditions of the printer. Stable image quality with a minimum of fluctuation is achievable against the varying environment and without resorting to complicated control pattern tables or a number of sensors.

REFERENCES:
patent: 3875791 (1975-04-01), Fitzgerald et al.
patent: 5218903 (1993-06-01), MacConnell et al.
patent: 5394739 (1995-03-01), Garvey, III et al.
patent: 5537920 (1996-07-01), Hasegawa et al.

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