Metallgesellschaft Aktiengesellschaft

Karl Heil

Hans-Peter Sattler

Egon Braun

Albert Kling

For sorting particles of a mixed particulate material in dependence on their coefficients of sliding friction the particles are fed to a revolving endless belt which, from the feed point to the downstream discharge edge, has a length portion having a length which in dependence on the velocity of the revolving belt is so determined that only those particles of the mixed material which have the highest coefficient of sliding friction will be accelerated to the velocity of the belt while moving on the length portion, all particles having a relatively lower coefficient of sliding friction having a lower velocity at the discharge edge so that the particles which have been discharged will fly along different trajectories and are collected by correspondingly disposed devices.

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Eschborn, Germany

Karl Heil