| 摘要 |
Provided are a foreign object removal method and foreign object removal device that have excellent continuous operation stability for sheets and excellent foreign object removal performance, during removal of foreign objects. Suction boxes (3a, 3b) are arranged at a position between two conveyance support bodies (1a, 1b) having an arrangement interval fulfilling prescribed conditions, said position having vertical symmetry relative to the sheet (2). Air is jetted towards the sheet (2) from air nozzles (4a, 4b) arranged inside the suction boxes (3a, 3b). Foreign objects are detached from upon the sheet (2) and the detached foreign objects are recovered using suction air having an average suction airspeed of 0.8-1.2 m/sec from openings (5a, 5b) in the suction boxes (3a, 3b). |
