Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means
Patent
1994-01-24
1995-05-30
Bollinger, David H.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Separating means
209644, 209920, 221159, 221171, 198391, B07C 512
Patent
active
054194423
ABSTRACT:
The separation device includes a container having a dome-shaped base and a peripheral wall surrounding the base to define a chamber for receiving a random mixture of defective and nondefective articles. A spiral-shaped ramp on the peripheral wall which surrounds the chamber and overhangs the base, leads to an elevated outlet opening. A vibrating device vibrates the chamber to excite movement of the defective and nondefective articles along the base and onto and up the ramp toward the outlet opening. The container also includes trap openings in the base and ramp to eliminate defective articles from the chamber. Discriminating devices are provided on the ramp that cause defective material to fall from the ramp back onto the base of the chamber. Only the nondefective articles can move on the ramp past the trapping devices toward the outlet of the container for transfer to another processing station.
REFERENCES:
patent: 1460270 (1923-06-01), Purchas
patent: 2964182 (1960-12-01), Spurlin
patent: 3650367 (1972-03-01), Mead
patent: 4535893 (1985-08-01), Buhren
patent: 4635798 (1987-01-01), Bruck
patent: 4709798 (1987-12-01), Herzog
Bollinger David H.
E. R. Squibb & Sons Inc.
Krieger Stuart E.
Nguyen Tuan N.
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