B - Operations – Transporting – 02 – B
Patent
B - Operations, Transporting
02
B
130/57
B02B 3/00 (2006.01)
Patent
CA 1282665
ABSTRACT OF THE DISCLOSURE In a cereal-grain polishing apparatus, a perforated tubular member (2; 327; 427) is arranged substantially vertically. A polishing roll (5; 105; 317; 417) fixedly mounted to a rotary shaft (3; 301) is rotatably arranged within the perforated tubular member to define therebetween a polishing chamber (6; 329). The polishing roll is provided with at least one agitating projection (33; 318; 418) and at least one opening. Cereal grains to be polished are fed to the polishing chamber by a screw feed roll (4; 310) fixedly mounted to the rotary shaft, such that the cereal grains move upwardly through the polishing chamber. When the polishing roll is rotated, the agitating projection brings the cereal grains into friction contact with each other to remove surface layers from the respective cereal grains. Air is caused to flow from a hollow space (46; 317a) within the polishing roll to a surrounding space (30; 330) around the perforated tubular member through the opening, the polishing chamber and perforations in the perforated tubular member, to carry the removed surface layers out of the polishing chamber to the surrounding space. The opening in the polishing roll is formed by a plurality of apertures (134) smaller in size than the cereal grains to prevent the same from entering the hollow space from the polishing chamber. - 42 -
573821
G. Ronald Bell & Associates
Satake Engineering Co. Ltd.
LandOfFree
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