Apparatus for dispensing measured amounts of liquid on to cotton wool balls has liquid tanks with dispensing valves at their bases which are operated by control unit connected to sensors for detecting balls

摘要

Apparatus for dispensing measured amounts of liquid (3) on to cotton wool balls (7) has liquid tanks (2) with dispensing valves (6) at their bases. The valves are operated by a control unit (9) connected to sensors (8) for detecting the presence of the balls.