Ronchi Mario S.p.A., an Italian manufacturer of packaging machines for liquid products destined to the cosmetics, pharmaceutical, chemical and food industries, has been a pioneer in the use of flow meter technology to guarantee filling accuracy of roll-on deodorants. This technology has now become a standard on all filling machines manufactured by Ronchi.

The flow-meters (both of the electromagnetic type and of the mass type), besides guaranteeing extremely accurate measurements, do not require any maintenance due to the fact that these instruments have no moving parts. Dosing operations are controlled through a PLC installed aboard the filling turret. Once the measurement is reached, the PLC system controls the closing of the filling valve,” explains the company.

Another important step in the manufacturing process of roll-on deodorants is the capping operation. All capping machines produced by Ronchi, are equipped with a quality control system that detects the applied torque and displays the reached value on the operator’s panel. Thus, imperfectly capped or filled bottles are automatically rejected and diverted onto an ejecting conveyors.