B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 21/04 (2006.01) B21B 3/00 (2006.01) B41C 1/10 (2006.01) B41N 1/08 (2006.01) C22F 1/04 (2006.01) C25F 3/04 (2006.01)
Patent
CA 2210588
A process for manufacturing a strip of aluminium or an aluminium alloy for electrolytically roughened lithographic printing plates, in which the alloy is continuously cast as a strip and then rolled to final thickness, is such that the cast strip is rolled to final thickness with a thickness reduction of at least 90% without any further heating. The resultant microstructure in the region close to the surface of the strip leads to improved electrolytic etching behaviour.
Procédé pour la production d'une bande en aluminium ou en alliage d'aluminium pour plaques d'impression traitées électrolytiquement, dans lequel la bande d'alliage produite en coulée continue est réduite à son épaisseur finale par une opération de laminage au cours de laquelle la bande est soumise à une réduction en épaisseur d'au moins 90 % sans faire l'objet d'un nouveau réchauffage. La microstructure qui en résulte dans la région de la surface de la bande conduit à une meilleure tenue au gravage électrolytique.
Hoellrigl Guenther
Smith Glenn
Alcan Technology & Management Ag
Alusuisse Technology & Management Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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