In the production of irregular non-woven material sheets of synthetic filaments, the warp from spinnerets is drawn off by means of a draw-off device and then deposited on a substrate. To avoid tangling of the individual filaments, they are guided along a nozzle wall formed by slot nozzles stacked on...http://www.google.fr/patents/US5045271?utm_source=gb-gplus-shareBrevet US5045271 - Process for the production of irregular non-woven material sheets
Process for the production of irregular non-woven material sheets
