Roller, heating member, and image heating apparatus equipped with roller and heating member
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United States of America Patent
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Nov 3, 2015
Grant Date -
May 28, 2015
app pub date -
Nov 25, 2014
filing date -
Nov 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An image heating apparatus includes an endless belt configured to heat an image on a sheet at a nip potion, a heat generation device configured to cause the belt to generate heat, a nip forming member configured to form the nip portion between the nip forming member and the belt, and a pressing roller configured to press an inner surface of the belt toward the nip forming member, the pressing roller including an elastic porous layer containing a plurality of filler particles, wherein a thermal conductivity of the elastic porous layer in an axial direction of the pressing roller is in a range of 6 times to 900 times a thermal conductivity of the elastic porous layer in a radial direction of the pressing roller.
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