Method for graining metal lithographic plate

Details Method for graining metal lithographic plate Method for graining metal lithographic plate

1981-04-20

1983-03-22

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 33, 20412946, C25D 1104, C25F 304

Patent

active

043774474

ABSTRACT:
Aluminum lithographic plate stock is grained in a continuous process wherein the strip to be grained and a cloth fabric material are brought into rubbing contact in the presence of an aqueous chloride salt graining solution while an electrical potential is applied such that the strip is the anode. The product produced by the graining process has a unique porous grained finish.

REFERENCES:
patent: 2540602 (1951-02-01), Thomas
patent: 3102090 (1963-08-01), Bassi

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