EP 0296393 A3 19900207 - DAMPING UNIT FOR AN OFFSET PRINTING MACHINE
Title (en)
DAMPING UNIT FOR AN OFFSET PRINTING MACHINE
Publication
Application
Priority
- DE 3720986 A 19870625
- DE 3813829 A 19880423
Abstract (en)
[origin: EP0296393A2] In order to achieve a clear printed image which is, in particular, free from so-called "gear marks", the metering roller in a damping mechanism for an offset printing machine having a pair of rollers comprising an applicator roller and a metering roller driven is driven by a gear wheel which engages with a driving gear in a gear train, the applicator roller being driven exclusively by friction and braking moments acting on the applicator roller being compensated to such an extent by such a high circumferential speed of the metering roller relative to an associated plate cylinder that the applicator roller, in a continuous printing position of the damping mechanism, rotates with a circumferential speed which is in the order of 0.5 to 2.0% lower than the circumferential speed of the plate cylinder.
IPC 1-7
IPC 8 full level
B41F 7/24 (2006.01); B41F 7/26 (2006.01); B41F 7/32 (2006.01); B41F 7/40 (2006.01)
CPC (source: EP US)
B41F 7/26 (2013.01 - EP US)
Citation (search report)
- [AD] DE 2206498 A1 19720921
- [A] US 3673959 A 19720704 - JEZUIT LESLIE J, et al
- [A] FR 2213851 A1 19740809 - MASCHF AUGSBURG NUERNBERG AG [DE]
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0296393 A2 19881228; EP 0296393 A3 19900207; EP 0296393 B1 19920304; AT E73047 T1 19920315; AU 1841588 A 19890105; AU 4010389 A 19900405; AU 597835 B2 19900607; AU 620905 B2 19920227; CA 1316041 C 19930413; DE 3813829 A1 19890105; DE 3813829 C2 19920312; DE 3868709 D1 19920409; DK 329288 A 19881226; DK 329288 D0 19880616; ES 2030461 T3 19921101; JP 2616965 B2 19970604; JP S6434737 A 19890206; US 4962705 A 19901016
DOCDB simple family (application)
EP 88108848 A 19880603; AT 88108848 T 19880603; AU 1841588 A 19880627; AU 4010389 A 19890817; CA 568504 A 19880602; DE 3813829 A 19880423; DE 3868709 T 19880603; DK 329288 A 19880616; ES 88108848 T 19880603; JP 15509388 A 19880624; US 21197888 A 19880627