Patent ID: 8052072

Claim:
A device for spraying on pigmented liquids by an airflow, said device comprising a base body ( 1 ), a spray nozzle ( 5 ) disposed at the front side of the base body ( 1 ), wherein a needle ( 12 ) is disposed centrally in the spray nozzle ( 5 ), a compressed air inlet ( 23 ) and an adjacent compressed air duct ( 24 , 24 a ), an outlet opening ( 33 ) for a pigmented liquid, wherein a controllable compressed air flow is supplied via the compressed air duct ( 24 , 24 a ) and is guided past the outlet opening ( 32 ) for the pigmented liquid where it is loaded with droplets of liquid, these droplets of liquid being dischargeable through the spray nozzle ( 5 ) as long as the compressed air flow is maintained, wherein the spray nozzle ( 5 ) and the needle ( 12 ; 12 a ) are disposed in a nozzle head ( 10 ; 10 a ), the nozzle head being replaceable in a way that no color-carrying parts are left behind, wherein a receptacle ( 31 ) is disposed in the nozzle head ( 10 a ), wherein a receiving space ( 31 a ) is formed in the receptacle ( 31 ) for receiving the pigmented liquids to be sprayed on, so that the nozzle head ( 10 a ) is equipped with an integrated liquid container and the device may be operated independently of an external liquid supply; wherein a fill opening ( 34 , 34 a ) is provided, the fill opening ( 34 , 34 a ) being connected with the receptacle ( 31 ); and wherein the fill opening ( 34 , 34 a ) is covered by a slit diaphragm ( 35 ).