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    • 1. 发明申请
    • DUNNAGING APPARATUS, METHOD AND ROLLER WITH CONTROLLED WEB TENSION
    • 控制装置,方法和滚动控制网页张力
    • WO2009048686A1
    • 2009-04-16
    • PCT/US2008/073158
    • 2008-08-14
    • SEALED AIR CORPORATION (US)METTA, Michael, M.DONEGAN, Ian, M.
    • METTA, Michael, M.DONEGAN, Ian, M.
    • B31D5/00B65H27/00
    • B31D5/0043B31D2205/0023B31D2205/0047B65H27/00B65H2404/185B65H2601/25B65H2801/63
    • A dunnaging apparatus (10) and method for controlling web tension are provided. The apparatus includes a frame (14) that is configured to support at least one supply of a web of paper (16) having a continuous length and a width. A paper forming device is configured to receive the web of paper in a substantially flat configuration and fold the web along at least one line extending generally along the length of the web to form a paper cushion of reduced width. At least one roller (40,42) is rotatably mounted on the frame and configured to support the web of paper between the supply and the forming device. The roller is formed at least partially of foam (72) so that an outer surface of the roller is elastically deformable and the roller is configured to provide a nonuniform cross-sectional shape across the width of the web according to variations in the tension in the web across the width of the web.
    • 提供了一种用于控制卷筒纸张力的垫片装置(10)和方法。 该装置包括框架(14),其被构造成支撑具有连续长度和宽度的纸幅(16)的至少一个供应源。 纸张成形装置被配置为以基本上平坦的构造接收纸幅并且沿着大体上沿幅材的长度延伸的至少一条线折叠纸幅以形成宽度减小的纸垫。 至少一个辊(40,42)可旋转地安装在框架上并构造成在供料和成形装置之间支撑纸幅。 辊子至少部分地由泡沫(72)形成,使得辊的外表面可弹性变形,并且辊被构造成根据卷材的张力的变化在纤维网的宽度上提供不均匀的横截面形状 网络横跨网络的宽度。