Patent ID: 6974316
Filing Date: 2005-12-13
Classification: D01D,D04H

Abstract:
1. An installation for producing a nonwoven web comprising, in succession from the top down, a generator of a curtain of filaments, a cooling unit for cooling the curtain, a slot attenuator for attenuating the filaments of the curtain, said slot attenuator having a lower edge followed, at a distance from the lower edge of the attenuating slot attenuator, by a diffuser with an upper edge and a conveyor, wherein a gap between the lower edge of the slot attenuator and the upper edge of the diffuser is unobstructed and the distance between the lower edge of the attenuating slot attenuator and the upper edge of the diffuser is constant to within +5%, and further including means for keeping the edges horizontal and spaced apart, said means being laterally spaced from the edges and extending between the attenuating slot attenuator and the diffuser at spaced locations along the edges.