EP 0268058 B1 19930623 - PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINUM OR ITS ALLOYS FOR SUPPORTS FOR PRINTING PLATES
Title (en)
PROCESS FOR THE ELECTROCHEMICAL GRAINING OF ALUMINUM OR ITS ALLOYS FOR SUPPORTS FOR PRINTING PLATES
Publication
Application
Priority
DE 3635304 A 19861017
Abstract (en)
[origin: US4824535A] A process in disclosed for the multiple graining of aluminum or aluminum alloys for use in printing plate supports. In the process, mechanical graining is followed by graining with a direct current in a nitrate-containing electrolyte. Optionally, the graining is followed by an anodizing treatment.
IPC 1-7
IPC 8 full level
B41N 3/00 (2006.01); B41N 1/08 (2006.01); B41N 3/03 (2006.01); C25D 11/16 (2006.01); C25F 3/04 (2006.01)
CPC (source: EP KR US)
B41C 3/08 (2013.01 - KR); B41N 3/034 (2013.01 - EP US); C25F 3/04 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0268058 A2 19880525; EP 0268058 A3 19890719; EP 0268058 B1 19930623; DE 3635304 A1 19880428; DE 3786327 D1 19930729; JP S63104890 A 19880510; KR 890000246 A 19890313; US 4824535 A 19890425
DOCDB simple family (application)
EP 87114630 A 19871007; DE 3635304 A 19861017; DE 3786327 T 19871007; JP 25849087 A 19871015; KR 870011536 A 19871017; US 10658887 A 19871013