| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a strong resin core which is for an elastic roller used in electrophotographic equipment, without the use of metals and without loading the environments with its wastes, when machining and is capable of reducing the core weight, and also provide an elastic roller using this core, an electrophotograph process cartridge and electrophotographic equipment by using this elastic roller for developing. <P>SOLUTION: This resin core unitizes a core shaft and a drive means, formed to transmit the torque to its end and is made of a resin composition, containing both porous particles and a filler of fibers having length of 100% or higher and 180% or lower of the particle diameter. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
