A nozzle for dispensing fluids with suspended solid particulates without experiencing permanent partial or total clogging is provided. The nozzle is made from a elastomeric material and has a dome-shaped tip. The dome-shaped tip has a slit that provides an elongated orifice which generates a fan-type...http://www.google.com.au/patents/US5890655?utm_source=gb-gplus-sharePatent US5890655 - Fan spray nozzles having elastomeric dome-shaped tips