Printing – Processes – Transfer or offset
Patent
1998-03-04
2000-02-29
Eickholt, Eugene
Printing
Processes
Transfer or offset
101148, 1013491, 73 173, B41F 706
Patent
active
060295775
ABSTRACT:
It is an object of the present invention to provide a dampening volume control apparatus capable of shortening a period of time for adjusting a desired value of characteristics. A switch SW1 is a switch for switching the apparatus either in an automatic control mode or a manual control mode. A dampening volume of the dampening solution being stored in a manual dampening volume storing means 21 is varied by adjusting a switch SW21 and/or a switch 22. Revolution speed of a motor 25 is controlled by a controller 23 in accordance with the dampening volume thus varied. The switch SW1 is turned to the automatic control mode when the operator judges that quality of printing done on the printed papers is qualified to the criteria. The revolution speed of the motor 25 is controlled so as to make the dampening volume on the plate surface coincide with the volume corresponding to the desired value during the automatic control condition.
REFERENCES:
patent: 3835777 (1974-09-01), Krygeris
patent: 4660470 (1987-04-01), Kramp et al.
patent: 4787238 (1988-11-01), Seki et al.
patent: 5158017 (1992-10-01), MacConnell et al.
patent: 5174210 (1992-12-01), Rodi et al.
patent: 5447102 (1995-09-01), Pfeiffer et al.
Fukuoka Shigeki
Nakai Tetsuya
Eickholt Eugene
Ryobi Ltd.
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