Evaluation of particulate material

Details Evaluation of particulate material Evaluation of particulate material

2003-12-18

2008-05-06

Mackey, Patrick (Department: 3653)

Classifying, separating, and assorting solids

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

Signalling, indicating, or display means

C209S134000, C209S135000, C047S014000

Reexamination Certificate

active

07367458

ABSTRACT:
The invention provides apparatus for determining and recording characteristics of particulate material in a batch of such material comprising a separator chamber having an inlet, means for reading an identifier on a batch of particulate material supplied to the inlet and providing the identifier as a digital output, means for causing a flow of gas in the separator chamber to separate the particulate material into a first fraction and a second fraction, first counting means, second counting means, means for weighing the first fraction and providing the result as a digital output, and means for integrating the digital outputs and for transferring them to a computer programmed to store data in prescribed format in a database, from which it may be manipulated to afford comparison of characteristics of batches of particulate material.

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patent: 5294002 (1994-03-01), Moses
patent: 5949001 (1999-09-01), Willeke
patent: 2002/0122177 (2002-09-01), Sioutas et al.
patent: 2002/0144458 (2002-10-01), Hunter et al.
patent: 40 41 994 (1992-07-01), None
patent: 617276 (1949-02-01), None
patent: 1 378 715 (1972-02-01), None

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