Printing – Stenciling – Rotary machines
Patent
1995-08-24
1997-05-27
Funk, Stephen R.
Printing
Stenciling
Rotary machines
101114, 101129, B41L 1306
Patent
active
056322003
ABSTRACT:
A stencil-making-type printing machine in which, even if rotary cylindrical drums having printing regions of different sizes are frequently used while being replaced with one another, the machine accurately detects when a used-stencil accommodating box is filled with used stencil, and notifies the operator. In the stencil-making-type printing machine, a CPU 200 determines the type of a rotary cylindrical drum loaded therein from output signals of dip switches 133 and 135 which are applied to it through electrical connectors 137 and 139. When a stencil discharging operation is carried out according to the type of the rotary cylindrical drum thus determined, the CPU 200 operates to add a numerical value corresponding to the length of a used stencil removed from the drum to the result of the previous addition stored in a RAM 202 to obtain the latest result of addition, and to compare the latest result of addition thus obtained with a fill-up reference data indicating that a used-stencil accommodating box is filled up with used stencil. When the latest result of addition reaches the fill-up reference data, the CPU 200 applies an instruction signal to a display drive circuit 170 to cause a display section 16 to display the fact that the used-stencil accommodating box is filled with used stencils.
REFERENCES:
patent: 5165338 (1992-11-01), Okazaki et al.
patent: 5487333 (1996-01-01), Oshio et al.
patent: 5517913 (1996-05-01), Oshio et al.
patent: 5537920 (1996-07-01), Hasegawa et al.
Patent Abstracts of Japan, vol. 4, No. 64 (M-011), May 14,1980 & JP-A-55 030922 (Ricoh Co., Ltd), Mar. 5, 1980.
Funk Stephen R.
Riso Kagaku Corporation
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