47863 ⎘
Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture; Supplying or proportioning the ingredients; Volumetric measuring devices, e.g. for consecutively delivering predetermined volumes of ingredients the ingredients being first supplied into measuring chambers, e.g. containers or skips the measuring chambers being provided on a rotating drum