US 12,072,658 B2
Sheet laminator and image forming system incorporating the sheet laminator
Shota Yoshida, Kanagawa (JP); Keisuke Sugiyama, Kanagawa (JP); Yuichiro Kato, Kanagawa (JP); Kazuki Shimodate, Kanagawa (JP); Takaya Ochiai, Kanagawa (JP); Naoki Takai, Tokyo (JP); and Yosuke Saito, Kanagawa (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Shota Yoshida, Kanagawa (JP); Keisuke Sugiyama, Kanagawa (JP); Yuichiro Kato, Kanagawa (JP); Kazuki Shimodate, Kanagawa (JP); Takaya Ochiai, Kanagawa (JP); Naoki Takai, Tokyo (JP); and Yosuke Saito, Kanagawa (JP)
Filed on Jun. 15, 2023, as Appl. No. 18/210,095.
Claims priority of application No. 2022-097911 (JP), filed on Jun. 17, 2022; and application No. 2023-068382 (JP), filed on Apr. 19, 2023.
Prior Publication US 2023/0408961 A1, Dec. 21, 2023
Int. Cl. G03G 15/20 (2006.01); B32B 37/00 (2006.01); B32B 37/06 (2006.01); B32B 41/00 (2006.01); G03G 15/00 (2006.01)
CPC G03G 15/6585 (2013.01) [B32B 37/0053 (2013.01); B32B 37/06 (2013.01); B32B 41/00 (2013.01); B32B 2037/0061 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A sheet laminator comprising:
a thermal fixing roller pair including:
a first thermal fixing roller; and
a second thermal fixing roller facing the first thermal fixing roller, and
the thermal fixing roller pair configured to thermally fix and convey a two-ply sheet and a sheet medium nipped between two sheets of the two-ply sheet;
a first heater configured to heat the first thermal fixing roller;
a second heater configured to heat the second thermal fixing roller;
multiple temperature detectors at different positions along an axial direction of the thermal fixing roller pair, the multiple temperature detectors configured to detect a surface temperature of each of the thermal fixing roller pair; and
a driver configured to drive the thermal fixing roller pair.