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US 3,937,406 AGranted
Agitator mill
AssigneeGebruder Netzsch, Maschinenfabrik
InventorNorbert Klimaschka
Life of this patent
Estimating the term…
Abstract
An agitator mill with a grinding container, an agitator shaft rotatable therein, a cylinder mounted on the lower face of the grinding container, internally connected thereto, and containing at least a portion of a charge of grinding elements, and a piston movable in the cylinder so as to vary the packing in or the density of the grinding elements in the grinding container.
Claims8
An agitator mill comprising
- a grinding container,
- an agitator shaft rotatable therein,
- a charge of grinding elements contained in said grinding container,
- a cylinder mounted at the lower portion of said grinding container and opening into said grinding container, containing,
- piston means displaceable in said cylinder,
- and hollow guide rod means attached in said cylinder for guiding said piston means and simultaneously forming the inlet for material to be ground in the agitator mill,
- said cylinder receiving at least a portion of said charge of grinding elements, and thus reducing the packing density of said charge of grinding elements in said grinding container, when said piston means is in its lowermost position.
4 more elements
Dependencies are inferred from the claim text.