Image forming device and method of manufacturing same
AssigneeBridgestone Corporation
InventorToru Masuyama
Life of this patent
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Abstract
Provided is an image forming device in which the cost needed for a roller member as a whole can be reduced, as well as a manufacturing process of the roller member can be simplified, and a method of manufacturing the roller member. Provided is an image forming device comprising, on the outer periphery of a shaft, at least two types of rollers each having an elastic layer composed of polyurethane foam of the same composition, in which the at least two types of rollers are selected from the group consisting of a toner feed roller, a transfer roller and a cleaning roller. At least one of the at least two types of rollers is preferably subjected to a heat pressing process.
Claims15
An image forming device comprising, on the outer periphery of a shaft, at least two types of rollers each having an elastic layer composed of polyurethane foam of the same composition, wherein the at least two types of rollers are selected from the group consisting of a toner feed roller, a transfer roller and a cleaning roller.
A method of manufacturing an image forming device comprising at least two types of rollers selected from the group consisting of a toner feed roller, a transfer roller and a cleaning roller, characterized in that,
- as the at least two types of rollers, one comprising, on the outer periphery of a shaft, an elastic layer composed of polyurethane foam of the same composition is used.
Dependencies are inferred from the claim text.