An apparatus for forming a nonwoven material from a liquefied polymer, the apparatus comprising: (a) a precipitation electrode; (b) a dispenser spaced apart from the precipitation electrode, and defining a first axis therebetween, the dispenser being at a first potential relative to the precipitation...http://www.google.fr/patents/US7244116?utm_source=gb-gplus-shareBrevet US7244116 - Apparatus for improving mechanical characteristics of nonwoven materials
Apparatus for improving mechanical characteristics of nonwoven materials