Apparatus and method for comminuting rock

Solid material comminution or disintegration – Apparatus – Combined or convertible

Reexamination Certificate

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Details

C241S086100, C241S088400

Reexamination Certificate

active

06955312

ABSTRACT:
An apparatus for comminuting rocks, comprising a frame having a restrictive passageway with an inlet and an outlet end for relative displacement of rocks from the inlet to the outlet end. A rotary impacting device is secured to the frame in the passageway so as to be journaled with respect to the frame. The rotary impacting device has hammer elements on an outer periphery of the device. The hammer elements are adapted to scoop and impact rocks in the passageway to project the rocks toward the outlet of the apparatus. An actuator is mounted to the frame and operationally connected to the rotary impacting device for imparting a rotation of the rotary impacting device. A screen is adapted to comminute upon impact the rocks propelled thereon by the rotary impacting device. The screen is positioned at the outlet end such that comminuted rocks exiting from the apparatus are below a predetermined size.

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