Patent ID: 6514623
Filing Date: 2003-02-04
Classification: B41F,B41N,B65H,Y10T

Abstract:
A wear-resisting ilk-repellent coating for printing press components comprising:a wear resistant material comprising one selected from the group consisting of metal oxides and low-wear hard metals, wherein the metal oxides comprise an oxide ceramic layer for protecting against wear, said oxide ceramic layer comprising at least one selected from a group of oxide ceramics consisting of Y2O3, CeO, CaO, MgO and mixtures of the oxide ceramics and wherein the low-wear hard metals comprises at least one selected from a group consisting of WC/Ni, TiC/Ni, Cr3C2/Ni, NiCrBSi, molybdenum and mixtures of these hard metals; and a sealing material for treating the wear resistant material, said sealing material comprising a polyorganosiloxane and being cured at a temperature of 170Â° C thereby allowing retrospective sealing of the wear-resistant material without requiring removal from the printing press and providing a long life and an ink-repellent characteristic for said wear-resisting ink-repellent coating, said coating having a thickness of 0.1 mm.