MATERIAL GRINDING DEVICE Russian patent published in 1994 - IPC

Abstract RU 2018358 C1

FIELD: construction material industry. SUBSTANCE: grinding device has housing incorporating fixed upper grinding member with central opening for feeding material and rotary lower grinding member with impeller, whose blades are inclined towards center of device. Impeller blades are circumferentially positioned within the limits of central opening. Upper and lower grinding members are formed as sleeves with vertical slots and are concentrically arranged in alternation one with respect to the other. EFFECT: increased efficiency and wider operational capabilities. 2 cl, 3 dwg

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RU 2 018 358 C1

Authors

Birjukov M.M.

Mochkin A.V.

Nejfel'D M.S.

Dates

1994-08-30—Published

1991-09-13—Filed