EP 0476328 A1 19920325 - Improved keyless printing system for keyless lithographic printing.
Title (en)
Improved keyless printing system for keyless lithographic printing.
Title (de)
Verbessertes Drucksystem ohne Farbmesser zum lithographischem Drucken ohne Farbmesser.
Title (fr)
Système amélioré d'impression sans clés pour l'impression lithographique sans clés d'encrage.
Publication
Application
Priority
US 57654990 A 19900831
Abstract (en)
In a keyless lithographic printing press having blanket cylinder (10) and plate cylinder (15) with printing plate mounted thereon, an improved keyless printing system, having: a system (14) for supplying dampening water to the plate cylinder (15); at least one form roller (16) in rotational contact with the plate cylinder (15); inking drum (11) in rotational contact with the form roller (16); at least first and second transfer rollers (13, 17) in rotational contact with the inking drum (11); metering roller (20) having at least an oleophilic and hydrophobic surface which retains a quantity of printing fluid, the metering roller (20) being in rotational contact with the first and second transfer rollers (13, 17); and a system (30) for supplying printing fluid to the metering roller (20). <IMAGE>
IPC 1-7
IPC 8 full level
B41F 31/14 (2006.01); B41F 31/00 (2006.01); B41F 31/06 (2006.01); B41F 31/08 (2006.01)
CPC (source: EP)
B41F 31/00 (2013.01); B41F 31/06 (2013.01)
Citation (search report)
- [YD] US 4690055 A 19870901 - FADNER THOMAS A [US], et al
- [Y] EP 0309681 A2 19890405 - ROCKWELL INTERNATIONAL CORP [US]
- [Y] CH 362094 A 19620531 - HOE & CO R [US]
- [A] US 1962011 A 19340605 - GINSBERG CHARLES W
- [A] EP 0098514 A2 19840118 - KOENIG & BAUER AG [DE]
- [Y] NOUVELLES GRAPHIQUES. vol. 40, no. 9, May 1990, ANVERS BE pages 16 - 17; 'L'Offset Civilox de Crabtree Vickers'
Designated contracting state (EPC)
DE FR GB NL SE
DOCDB simple family (publication)
EP 0476328 A1 19920325; EP 0476328 B1 19960313; AU 632956 B2 19930114; AU 8145591 A 19920305; CA 2049277 A1 19920301; DE 476328 T1 19920702; DE 69117844 D1 19960418; DE 69117844 T2 19960725; JP H04234655 A 19920824
DOCDB simple family (application)
EP 91113910 A 19910820; AU 8145591 A 19910730; CA 2049277 A 19910815; DE 69117844 T 19910820; DE 91113910 T 19910820; JP 22021191 A 19910830