EP 0763426 B1 20010404 - Method for controlling the inking in a printing machine
Title (en)
Method for controlling the inking in a printing machine
Title (de)
Verfahren zum Regeln der Farbgebung beim Drucken mit einer Druckmaschine
Title (fr)
Procédé pour contrôler l'encrage dans une machine d'impression
Publication
Application
Priority
DE 19533822 A 19950913
Abstract (en)
[origin: EP0763426A2] A method for controlling the colour rendering of printed material (8) produced by a sheet-fed offset printing machine (4) employs a scanning sensor (15) to register the actual colouration obtained. During the run-up phase the regulating mechanisms (5,6,7) for controlling the finished print quality e.g. wetting agent, sheet registration and ink delivery provide sensor signals for computer (13) storage (14) and a complete videoscan of the first printed sheets is also stored. The control settings (5,6,7) are then changed by a defined amount and further scans obtained for comparison to reveal the co-ordinates of all points on the sheets showing maximum response to change so that minimum stored data can control the print-run proper.
IPC 1-7
IPC 8 full level
B41F 33/00 (2006.01)
CPC (source: EP US)
B41F 33/0036 (2013.01 - EP US)
Designated contracting state (EPC)
FR GB IT
DOCDB simple family (publication)
EP 0763426 A2 19970319; EP 0763426 A3 19970702; EP 0763426 B1 20010404; DE 19533822 A1 19970320; US 5802978 A 19980908
DOCDB simple family (application)
EP 96114355 A 19960907; DE 19533822 A 19950913; US 71379996 A 19960913