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...http://www.google.com.au/patents/US5518492?utm_source=gb-gplus-sharePatent US5518492 - Ribbon curling and shredding device
