FIXING MEMBER AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Jan 13, 2017
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Jan 14, 2016
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Abstract
A fixing member which ensures a surface pressure during toner fixation and which can achieve both an enhanced grip force of an elastic layer and cost efficiency; and a method for producing the fixing member are provided. The fixing member, as a press roll, has the elastic layer of a foamed elastic material on the outer peripheral surface of a core body. The elastic layer is an integrally shaped product of the foamed elastic material. When the specific gravity of the foamed elastic material in axially opposite end portions (grip portions) of the elastic layer is designated as d1, the specific gravity of the foamed elastic material in a portion (free portion) of the elastic layer other than the grip portions is designated as d2, and the specific gravity d2 is 0.7 or less, the proportion of the difference between d1 and d2 to the specific gravity d2 is 10-70%.
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