Patent ID: 6301461
Filing Date: 2001-10-09
Classification: G03G

Abstract:
A doctor blade consisting of at least a substrate provided with an element having a face adapted for contact with interposition of toner particles a magnetic roller of a machine selected from the group consisting of copier, printer and facsimile machine, said element comprising at least two layers, namely:a first layer made of elastic material, said first layer having a thickness of more than 100 .mu.m and a resistivity of more than 10 10.sup.14 .OMEGA. per square, anda second layer covering at least partly the said first layer and having a face adapted for contacting with interposition of toner particles a magnetic roller, said second layer having a thickness of less than 100 .mu.m and an electrical surface resistivity of less than 10.sup.13 .OMEGA. per square.