An apparatus and method for effecting zoned deposition of superabsorbent particles in a fibrous web includes the use of dual dispensing nozzles for forming selected deposition patterns. Fluidized streams of the superabsorbent particles are formed, with rotary valve assemblies employed for creating pulsed...http://www.google.de/patents/US5248524?utm_source=gb-gplus-sharePatent US5248524 - Method and apparatus for zoned application of particles in fibrous material with dual dispensing nozzles