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    • 10. 发明公开
    • SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD
    • BLATTVERARBEITUNGSVORRICHTUNG UND BLATTVERARBEITUNGSVERFAHREN
    • EP2921444A1
    • 2015-09-23
    • EP15158280.6
    • 2015-03-09
    • Ricoh Company, Ltd.
    • Saito, SatoshiFuruhashi, TomohiroSuzuki, MichitakaHoshino, Tomomichi
    • B65H45/14
    • A sheet (6) is nipped and held by first and second bend forming rollers (341 and 342)) of which rotation axes are in a direction perpendicular to a sheet conveying direction, the conveying speed of the held portion is made lower than a sheet conveying speed on the upstream side so that a bend is formed on the sheet (6), the sheet (6) is conveyed toward the bend forming rollers (341, 342) such that the sheet conveying direction to the bend forming roller (341, 342)s passes through a line segment from the rotation axis of the first bend forming roller (341) to a predetermined position on a surface of the first bend forming roller (341), and the bend formed on the conveyed sheet (6) is pressed from the surface of the sheet (6) in a position on the opposite side of the second bend forming roller (342) with respect to the position where the sheet (6) is in contact with the first bend forming roller (341).
    • 片材(6)由第一和第二弯曲成形辊(341和342)夹持并保持,第一和第二弯曲成形辊(341和342))的旋转轴线在垂直于片材输送方向的方向上,使保持部分的输送速度低于片材 在上游侧的输送速度使得在片材(6)上形成弯曲部,片材(6)被输送到弯曲成形辊(341,342),使得片材输送到弯曲成形辊(341, 342)从第一弯曲成形辊(341)的旋转轴线穿过线段到第一弯曲成形辊(341)的表面上的预定位置,并且形成在所输送的薄片(6)上的弯曲是 相对于片材(6)与第一弯曲成形辊(341)接触的位置,从片材(6)的表面在第二弯曲成形辊(342)的相反侧的位置压紧。