Method and apparatus for sorting small food items for softness

Details Method and apparatus for sorting small food items for softness Method and apparatus for sorting small food items for softness

2011-07-12

2011-07-12

Rodriguez, Joseph C (Department: 3653)

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Condition responsive means controls separating means

C209S640000

Reexamination Certificate

active

07975853

ABSTRACT:
The invention relates to the high speed non-destructive sorting of small food items for softness. The food item is conveyed on a series of belts designed to accurately drop the food item onto a flexible surface at an oblique angle. Accelerometers mounted under the flexible surface generate impact waveforms, which are computer analysed to both detect the item landing position and enable comparison with an operator-selected softness threshold level. Within a few milliseconds of the food item contacting the flexible surface it continues to drop past a rejection point. If determined by analysis to be soft, it is ejected to a waste conveyor.

REFERENCES:
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patent: 3559805 (1971-02-01), Cragg et al.
patent: 3788466 (1974-01-01), Wilson et al.
patent: 4625872 (1986-12-01), DeLacy et al.
patent: 4666046 (1987-05-01), Manzer
patent: 3900450 (1990-07-01), None

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