US 12,459,276 B2
Contact member, drying apparatus, and printing apparatus for treating liquid-coated substrates
Chikako Hatta, Kanagawa (JP); and Yuuki Mizutani, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Appl. No. 18/554,175
Filed by Chikako Hatta, Kanagawa (JP); and Yuuki Mizutani, Kanagawa (JP)
PCT Filed Apr. 15, 2022, PCT No. PCT/JP2022/017965
§ 371(c)(1), (2) Date Oct. 5, 2023,
PCT Pub. No. WO2022/224915, PCT Pub. Date Oct. 27, 2022.
Claims priority of application No. 2021-071698 (JP), filed on Apr. 21, 2021; and application No. 2022-028908 (JP), filed on Feb. 28, 2022.
Prior Publication US 2024/0253370 A1, Aug. 1, 2024
Int. Cl. B41J 11/44 (2006.01); B41J 11/00 (2006.01); C09D 11/30 (2014.01)
CPC B41J 11/44 (2013.01) [B41J 11/00244 (2021.01); B41J 11/007 (2013.01); C09D 11/30 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A contact member configured to contact a contacted member to which a liquid composition is applied, the contact member comprising:
a surface layer (A) configured to contact the contacted member, wherein
the surface layer (A) includes a support layer including alumite sulfate,
the surface layer (A) has a root mean square height Sq of 1.0 μm or more, and
the surface layer (A) has an orthogonal line roughness ratio in a range between 0.8˜0.9.