Patent ID: 8688023

Claim:
A pressing roller comprising: a metal core; and an elastic layer containing a filler which has an average length of 0.05 mm or more and 1 mm or less and a thermal conductivity of 500 W/(mK) or more, wherein in said elastic layer containing the filler, pore portions are dispersed, wherein the pore portions have an average diameter of 70 Î¼m or less, wherein said elastic layer contains the filler of 5% or more and 40% or less in volume ratio, and the pore portions are formed with a volume ratio of 1% or more and 10% or less, wherein a volume ratio of the pore portions is not more than a volume ratio of the filler, and wherein the total volume ratio of the filler and the pore portions is not less than 10% and not more than 45%.