US 12,032,313 B2
Tubular body for fixing member, fixing device, and image forming apparatus
Ryosuke Kubota, Kanagawa (JP)
Assigned to FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed by FUJIFILM Business Innovation Corp., Tokyo (JP)
Filed on Mar. 1, 2023, as Appl. No. 18/176,747.
Claims priority of application No. 2022-134270 (JP), filed on Aug. 25, 2022.
Prior Publication US 2024/0085833 A1, Mar. 14, 2024
Int. Cl. G03G 15/20 (2006.01)
CPC G03G 15/2057 (2013.01) [G03G 15/206 (2013.01); G03G 15/2017 (2013.01); G03G 2215/2048 (2013.01); G03G 2215/2054 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A tubular body for a fixing member, the tubular member comprising:
a first layer having a thermal conductivity of 1.0 W/m·K or more; and
a second layer containing a resin and particles of a solid material in which heat absorption/release associated with electronic phase transition occurs,
wherein the second layer has a latent heat of 0.5 kJ/m2 or more.