US 12,269,703 B2
Conveying belt
Hironari Nishioka, Aichi (JP); Daisuke Inoue, Aichi (JP); Yasuyuki Hayasaki, Aichi (JP); Sho Sakamoto, Aichi (JP); Yasuhide Watanabe, Aichi (JP); Fumio Misumi, Aichi (JP); Daiki Ito, Aichi (JP); Isamu Maruyama, Aichi (JP); and Shingo Nakaichi, Aichi (JP)
Assigned to Sumitomo Riko Company Limited, Aichi (JP)
Filed by Sumitomo Riko Company Limited, Aichi (JP)
Filed on Mar. 7, 2023, as Appl. No. 18/180,086.
Application 18/180,086 is a continuation of application No. PCT/JP2021/035388, filed on Sep. 27, 2021.
Claims priority of application No. 2020-163997 (JP), filed on Sep. 29, 2020.
Prior Publication US 2023/0219777 A1, Jul. 13, 2023
Int. Cl. B65H 5/02 (2006.01); B29D 29/06 (2006.01); B65G 15/32 (2006.01); G03G 15/00 (2006.01); B41J 11/00 (2006.01)
CPC B65H 5/02 (2013.01) [B29D 29/06 (2013.01); B65G 15/32 (2013.01); B65H 5/021 (2013.01); G03G 15/6529 (2013.01); B41J 11/007 (2013.01); B65H 2404/27 (2013.01); B65H 2801/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A conveying belt for an image forming device comprising: a cylindrical base layer; and a surface layer that is formed on the outer peripheral surface of the base layer,
wherein the base layer contains at least one kind of polyimide or polyamide-imide,
the base layer has an elastic modulus of equal to or greater than 3 GPa and equal to or less than 7 GPa,
the surface layer is configured as a cured object from a resin composition that contains a fluororesin having a hydroxy group, an isocyanate curing agent, and a silicone copolymer,
the silicone copolymer is a copolymer containing a silicone unit having a siloxane skeleton and another kind of unit not having a siloxane skeleton and has a hydroxy group,
the silicone copolymer contains siloxane units in a proportion of equal to or greater than 95 mol % and less than 100 mol %, and
the silicone copolymer content in the resin composition is equal to or greater than 1 part by mass and equal to or less than 5 parts by mass relative to a total of 100 parts by mass of the fluororesin and the isocyanate curing agent.