A spray actuator which has an inlet which communicates with a discharge orifice outlet via a passageway and a discharge cavity. The discharge cavity accommodates a central post therein which supports a plurality of axial fins that may be each provided with stop shoulder. An insert member, carrying a...http://www.google.es/patents/US5992765?utm_source=gb-gplus-sharePatente US5992765 - Mechanical break-up for spray actuator
