Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1995-11-20
1998-02-24
Nguyen, Tuan
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209 45, B07C 900
Patent
active
057203954
ABSTRACT:
An apparatus (10) and method for removing hulls (152) from a nut mixture (150) is described. The apparatus includes a gravity feed bin (12), a conveyor (28) and removal units (38). The removal units include a drum (40), a position roller (50), a beater (56) and a brush (64) around all of which extends a fibrous mat (96). The fibrous mat has looped or curved fibers (96C) and is formed as a continuous belt in the removal unit. The removal unit also includes a deflector (92) and a shield (93) to guide the removed hulls into an auger (78) to be removed from the apparatus. To operate the apparatus, the mixture is fed from the gravity feed bin onto the conveyor belt (30) of the conveyor. As the mixture moves along a horizontal path of the conveyor, the mixture comes in contact with the fibrous mat rotating in the removal units. The looped fibers of the mat contact and engage the projections (152A) on the outer surface of the hulls and secure the hulls to the mat. As the mat continues to rotate through the unit the hulls secured to the mat are removed from the mixture on the conveyor. The smooth outer surface of the meats (154) are not engaged by the looped fibers of the mat and are not picked up by the mat. As the mat moves around the unit, the beater of the unit contacts the fabric backing (96A) of the mat and acts to violently shake the mat thus, shaking off the attached hulls attached to the outer surface (96B). The removed hulls fall into the auger and are removed from the apparatus. After removal of the hulls, the mat is then fluffed by the fingers (64A) of the brush (64) in order to be ready for reuse.
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Schock Harold J.
Stuecken Thomas R.
McLeod Ian C.
Moyne Mary M.
Nguyen Tuan
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