Apparatus for coating tablets with computer control

Apparatus for coating objects comprising, a machine with a rotating drum in which said objects to be coated are placed, drum driving means connected to said rotating drum, a spray head mounted in said rotating drum for supplying spray to said objects to be coated, air inlet means connected to said machine to supply inlet air to said drum, air outlet means connected to said machine to remove air from said drum, means for supplying spray to said spray head, a computer connected to supply inputs to control said drum driving means and said spray supplying means, and a plurality of sensors for detecting inlet air humidity, temperature and flow rate, drum air temperature and outlet air temperature connected to supply inputs to said inputs to said computer so that it can monitor and control said coating machine, and wherein said means for supplying spray to said spray head includes a fluid reservoir and a pump, said computer connected to control said pump and sensors for measuring pressure and quantity of said fluid supplied to said spray head supplying inputs to said computer so that said computer controls the spray head so as to the time of application of fluid, quantity of fluid applied, the rate of fluid applied to said objects, and time of drying.