Patent ID: 9470998
Filing Date: 2016-10-18
CPC Classification: G03G

Claim Text:
1. An electroconductive roller comprising: a tubular body made of an ion-conductive elastic material, which has an outer peripheral surface, an inner peripheral surface, and a base layer formed between the outer peripheral surface and the inner peripheral surface; and a surface layer provided on an outer peripheral surface of the tubular layer; wherein the base layer has a roller resistance R wherein the roller resistance R wherein the surface layer is a surface layer formed by applying a coating material having a viscosity of not greater than 1.0 Pa·s on the outer peripheral surface of the base layer, the coating material comprising not less than 60 mass % of carbon based on the mass of solids in the surface layer, the carbon having an iodine adsoption amount of not less than 80 mg/g and an oil adsorption amount of not less than 60 ml/100 g.