Metering dispenser for granular materials - uses rotational speed control of screw conveyor to control dosing weight
FR2437653A1
Extracting sample of material from conveyor - utilises auxiliary screw conveyor rotating at speed to give required proportion of sample
FR2436629A1
Ball or rod type crusher operating in rotating cylinder - has two cylindrical horizontal compartments separated by circular sieve with cone giving finer crushing
FR2389122A1
Integrated fluid sampling system - removes aliquots from flowing pipe line and performs accumulation and stirring of successive samples