| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an annular member, restraining separation of a non-foamed rubber layer as compared with the case where a foamed rubber layer and a non-foamed rubber layer are discontinuously formed through an interface, a charging device, an image forming apparatus and a method of manufacturing an annular member. <P>SOLUTION: The annular member 10 includes: a core body 12; the foamed rubber layer 14A provided on the core body 12; and the non-foamed rubber layer 14B continuously provided on the foamed rubber layer 14A without interface. <P>COPYRIGHT: (C)2011,JPO&INPIT |
