| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that it is difficult to release an electroconductive roller having an electroconductive elastic layer, which is hard to cause image irregularity or the peeling of an end part and characterized in that the outer diameter of the central part of the electroconductive elastic layer in the longitudinal direction of the roller is increased and the outer diameters of the end parts thereof are reduced, in molding using a general mold and, if the electroconductive roller is formed by a grinding method, the adhesion of grinding refuse or a grinding mark occurs. <P>SOLUTION: In manufacturing the electroconductive roller having a metal support member and the electroconductive elastic layer formed by curing a resin composition on the metal support member and characterized in that the outer diameter of the central part of the electroconductive elastic layer is larger than that of at least one end part thereof by 5-100 μm, a mold wherein the end parts thereof have an inner diameter smaller than that of the central part thereof is used to perform molding in a low airtight state. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
