Patent ID: 6523263
Filing Date: 2003-02-25
Classification: G03G,Y10T

Abstract:
A method of manufacturing a charge roller of a developer for use of an image forming apparatus, said method comprising the steps of:providing a pipe-shaped main body having both ends opened so as to define a receipt space; providing a pair of plugs inserted into said both ends of said main body for sealing said receipt space, wherein, said main body is made of high molecular polymeric substance with a low thermal conductivity; pressedly-coating an outer periphery of a metal rod with a foam rubber substance; loading said metal rod into the receipt space of the main body to form a receptor device; applying a first heat to said receptor device comprising the foam rubber substance; taking said metal rod pressedly-coated with the firstly heated foam rubber substance out from the receipt space of the main body of the receptor device; applying a second heat to the metal rod pressedly coated with said firstly heated foam rubber substance that was heated by said first heat; and cutting the metal rod pressedly-coated with the twice heated foam rubber substance into a predetermined width.