US 11,884,503 B2
Sheet separation device, laminator, image forming apparatus, and image forming system
Yoshito Suzuki, Chiba (JP); Tomohiro Furuhashi, Kanagawa (JP); Wataru Takahashi, Tokyo (JP); Shinya Monma, Kanagawa (JP); Joji Akiyama, Kanagawa (JP); Yohsuke Haraguchi, Kanagawa (JP); Sho Asano, Kanagawa (JP); and Wataru Nozaki, Kanagawa (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Yoshito Suzuki, Chiba (JP); Tomohiro Furuhashi, Kanagawa (JP); Wataru Takahashi, Tokyo (JP); Shinya Monma, Kanagawa (JP); Joji Akiyama, Kanagawa (JP); Yohsuke Haraguchi, Kanagawa (JP); Sho Asano, Kanagawa (JP); and Wataru Nozaki, Kanagawa (JP)
Filed on Sep. 26, 2022, as Appl. No. 17/952,623.
Application 17/952,623 is a continuation of application No. 17/173,588, filed on Feb. 11, 2021, granted, now 11,492,222.
Claims priority of application No. 2020-026249 (JP), filed on Feb. 19, 2020.
Prior Publication US 2023/0019928 A1, Jan. 19, 2023
Int. Cl. B32B 43/00 (2006.01); B65H 5/06 (2006.01)
CPC B65H 5/062 (2013.01) [B32B 43/006 (2013.01); Y10T 156/1168 (2015.01); Y10T 156/1174 (2015.01); Y10T 156/195 (2015.01); Y10T 156/1956 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A sheet separation device configured to separate a two-ply sheet in which two sheets are overlapped, the sheet separation device comprising:
a winder configured to rotate and wind the two-ply sheet;
a gripper in the winder; and
a controller configured to cause the gripper to grip a gripped portion of the two-ply sheet at one end of the two-ply sheet without abutting a tip of the gripped portion at the one end of the two-ply sheet, the gripped portion including at least parts of both of the two sheets.