A method and apparatus is provided to cause deflection or oscillation of a bundle of spun thermoplastic filaments. A pulsing electrostatic charge and optionally an additional constant charge is applied to attenuated filaments prior to deposit of the filaments on a conveyor in the form of a web....http://www.google.com/patents/US5762857?utm_source=gb-gplus-sharePatent US5762857 - Method for producing nonwoven web using pulsed electrostatic charge
