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    • 69. 发明专利
    • METHOD FOR CUTTING PLOTTER SHEET
    • JPH06143891A
    • 1994-05-24
    • JP32600492
    • 1992-11-11
    • MUTOH IND LTD
    • TAKAHASHI ISAMU
    • B43L13/00B26D3/12B26F3/00
    • PURPOSE:To ensure that the drooping part due to the weight of a long sheet can be cut straight in a traverse direction. CONSTITUTION:A long sheet 32 is supported by a drive roller 28 and a pressure roller 30, and the tip lateral part 32 of the sheet 32 hangs downward by its weight. The tip lateral part 32a of the sheet 32 is separated from a side 32b sandwiched between the drive roller 28 and the pressure roller 30 by moving a cutter pen 20 in the traverse direction of the sheet 32. In this case, a specified area (a) is left untouched in the center of the sheet 32, then the sheet 32 is out in a traverse direction, and specified areas a-b in the center are half-cut by cutter pen 20 or perforated. Next, the sheet 32 is moved in a forward/ backward direction which is in parallel with the longitudinal direction of the sheet 32 by forward and reverse rotation of the drive roller 28. The half-cut part or the perforated part in the center of the sheet 32 is separated from the part 32b sandwiched between the drive roller 28 and the pressure roller 30 by the movement of the sheet 32.