An improved method and apparatus for forming nonwoven webs by spinning filaments into a quench chamber where they are contacted with a quenching fluid, then utilizing the quench fluid to draw the filaments through a two-dimensional nozzle spanning the full machine width, and collecting the filaments...http://www.google.fr/patents/US4340563?utm_source=gb-gplus-shareBrevet US4340563 - Method for forming nonwoven webs
