Aluminum coated steel support for planographic plate

Details Aluminum coated steel support for planographic plate Aluminum coated steel support for planographic plate

1982-04-02

1985-07-02

Coughenour, Clyde I.

Printing

Planographic

Lithographic printing plates

101458, 148 115Q, 428653, B41N 108

Patent

active

045261032

ABSTRACT:
A steel support for a planographic plate comprises a steel plate and aluminized layers thereon, each consisting of an alloy layer in contact with said plate and an aluminum layer applied over said alloy layer. The alloy layer is 0.2 to 5 microns in a thickness, and the aluminum layer is more than 7 microns in a thickness.
The aluminized plate is then cold-rolled at a rolling reduction of 30 to 85% in total to remove spangle dents or pin holes therefrom.

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