| 摘要 |
PCT No. PCT/EP92/02636 Sec. 371 Date May 13, 1994 Sec. 102(e) Date May 13, 1994 PCT Filed Nov. 12, 1992 PCT Pub. No. WO93/09703 PCT Pub. Date May 27, 1993.A device for curling polypropylene ribbon comprises means (12) for delivering a supply of curlable ribbon, curling means (17) for the ribbon, and drive means (31-33) for drawing the ribbon across said curling means. The device may include guide means to control the approach angle of ribbon to the curling means, drag means to impose drag on said ribbon, and shredding means to shred said ribbon subsequent to curling.
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