Apparatus for automatically grading leaf tobacco

Details Apparatus for automatically grading leaf tobacco Apparatus for automatically grading leaf tobacco

1974-11-26

1977-04-19

Hoffman, Drayton E.

Classifying, separating, and assorting solids

Adhesion

Coated surface or mass

209 74R, 2091116, 2091117R, 198382, 198442, 198445, 131146, B07C 5342

Patent

active

040186741

ABSTRACT:
A system wherein tobacco leaves are dropped onto a continuously moving belt in a grid like pattern defined by means which are arranged to deliver the tobacco leaf in a sequential manner on the moving belt. The leaves, when arranged on the belt, are passed before a photo-electric detector which senses the color or reflectivity of same. An air blast ejector is positioned downstream of the detector for separating leaves determined to be undesirable.

REFERENCES:
patent: 2192518 (1940-03-01), Eissmann
patent: 2873747 (1959-02-01), Schlossmacher
patent: 3097744 (1963-07-01), Hutter et al.
patent: 3439793 (1969-04-01), Rakestraw
patent: 3623595 (1969-12-01), Brown et al.
patent: 3750881 (1973-08-01), Husome et al.
patent: 3750882 (1973-08-01), Hays
patent: 3773172 (1973-11-01), McClure et al.

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