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    • 9. 发明公开
    • Mechanisms for providing drag during unwinding of tapes
    • Hemmechanismuswährendder Abwicklung vonBändern。
    • EP0102250A2
    • 1984-03-07
    • EP83305057.8
    • 1983-09-01
    • XEROX CORPORATION
    • Geddes, Glenn F.Jeromin, Lothar S.
    • G03G15/00B65H75/30
    • B65H23/06B65H75/30G03G15/1625
    • @ Mechanisms are described for providing a predetermined amount of drag during the unwinding of tape from a cylindrical core (11) and for providing two layers of tape (10) under tension for the lamination of a toner image. The former includes a stationary cylindrical spool (13) and the latter includes two such spools (13).
      A foam strip (12) occupying the space between the stationary cylindrical spool (13) and a roll of tape (10), wound on the concentric cylindrical core (11), the strip (12) being attached to said spool (13). The uncompressed thickness of the foam strip (12) is greater than the space between the spool (13) and core (11) to provide a constant drag force when the core is rotated by pulling out tape. The foam strip is made from open pore polyether-polyurethane.
    • 描述了在从圆柱形芯(11)开卷带期间提供预定量的阻力并且用于在张力下提供用于层叠调色剂图像的两层带(10)的机构。 前者包括固定的圆柱形卷轴(13),后者包括两个这样的卷轴(13)。 泡沫条(12)占据固定圆柱形卷轴(13)和缠绕在同心圆柱形芯(11)上的卷筒(10)之间的空间,条带(12)附接到所述卷轴(13)。 泡沫条(12)的未压缩厚度大于卷轴(13)和芯(11)之间的空间,以通过拉出带旋转芯时提供恒定的牵引力。 泡沫条由开孔聚醚 - 聚氨酯制成。