Fixing pressure roller and fixing device
AssigneeSynztec Co., Ltd.
InventorsMasaya SUZUKI, Akira NISHIDA, Shingo SUGIYAMA
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Abstract
The present invention provides a fixing pressure roller exhibiting excellent compression set and having low hardness and low heat capacity, as well as a fixing device including the fixing pressure roller. A pressure roller employed in a fixing unit of a fixing device includes a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product produced by mixing a silicone rubber raw material with resin microballoons and water, and then curing the silicone rubber raw material; and the silicone rubber product includes therein voids provided by breakage of the resin microballoons through application of pressure, and voids provided through evaporation of the water.
Claims8
A fixing pressure roller employed in a fixing unit of a fixing device, the fixing pressure roller comprising a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product produced by mixing a silicone rubber raw material with resin microballoons and water, and then curing the silicone rubber raw material;
- and the silicone rubber product includes therein voids provided by breakage of the resin microballoons through application of pressure, and voids provided through evaporation of the water.
Dependencies are inferred from the claim text.