An actuator for a liquid spray pump is provided with a skirt which co-operates with a body of the pump to compress a volume of air during pump actuation. Air compressed by this action is ejected from an air injection channel in the vicinity of a liquid spray emerging from a first nozzle defined by the...http://www.google.de/patents/US5350116?utm_source=gb-gplus-sharePatent US5350116 - Dispensing apparatus
