Process for the protection of an engraved roll or plate by coati

Details Process for the protection of an engraved roll or plate by coati Process for the protection of an engraved roll or plate by coati

1992-07-10

1993-10-12

Beck, Shrive

Coating processes

Coating by vapor, gas, or smoke

Mixture of vapors or gases utilized

427295, 427319, 427350, 427367, 427368, 4274197, 427427, 427437, 427438, 4274431, 20419216, 205184, C23C 1600

Patent

active

052523608

ABSTRACT:
A process for the production of engraved rolls and plates for printing operations wherein there are applied to a base member of metal, after it has been engraved, at least two layers of a metal and, respectively, a metal compound for increasing the hardness and the corrosion protection in order to achieve surface hardness values of at least 2000 HV.

REFERENCES:
patent: Re32244 (1986-09-01), Anderson

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