FIXING PRESSURE ROLLER AND FIXING DEVICE
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United States of America Patent
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app pub date -
May 26, 2016
filing date -
Nov 6, 2013
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Abstract
To provide a fixing pressure roller having low roller hardness, low heat capacity, and low thermal expansion coefficient, and a fixing device including the fixing pressure roller. The fixing pressure roller of the invention for employment in a fixing unit of a fixing device has a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product formed by mixing a raw silicone rubber with resin microballoons and water, to thereby prepare a dispersion, and then curing the raw silicone rubber; and the silicone rubber product includes therein first voids provided from the resin microballoons and second voids which are smaller than the first voids and which are provided by evaporation of water.
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