Printing plate

Details Printing plate Printing plate

1977-10-25

1978-10-10

Coughenour, Clyde I.

Printing

Planographic

Lithographic printing plates

1014011, B41H 108

Patent

active

041190351

ABSTRACT:
A flexible metal printing plate for a lithographic printing press made up of a sheet of iron having a thin adherent top layer of a metal more noble than iron and having a thin layer of sacrificial metal conductively bonded to the underside of the iron sheet, the sacrificial metal being less noble than iron as determined by its position above iron in the electromotive series, the preferred sacrificial metal being zinc.

REFERENCES:
patent: 13587 (1855-09-01), Lowe
patent: 956764 (1910-05-01), Gerb
patent: 1069857 (1913-08-01), Cornwall
patent: 1680097 (1928-08-01), Eaton
patent: 1811734 (1931-06-01), Trist
patent: 2181111 (1939-11-01), Horn
patent: 2291854 (1942-08-01), Whyzmuzis

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