Patent ID: 8652019
Filing Date: 2014-02-18
Classification: G03G

Abstract:
1. A fixing member which is brought into pressure contact with a conveyed sheet to fix an image onto the sheet, comprising: a cylindrical or annular base material; a rubber layer provided so as to cover an outer surface of the base material and having elasticity; and an outer layer provided so as to cover an outer surface of the rubber layer for aiding release of the sheet, wherein the amount of siloxane content present in a central section of the rubber layer is an amount that is less than twice the amount of siloxane content present in an end portion of the rubber layer, the end section and the central section defined as sections along a longitudinal axis extending along an axis of rotation of the fixing member, and the siloxane content in each of the central section and the end portion of the rubber layer is defined by the following expression: wherein “a” represents an internal diameter of the rubber layer in a unit of millimeter, “b” represents an external diameter of the rubber layer in a unit of millimeter, and “D” represents the siloxane content in each of the central section and the end portion of the rubber layer in a unit of PPM.