Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1983-08-03
1985-10-29
Scherbel, David A.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209638, 209589, 209129, 209564, 209908, 430937, 250294, B07C 510
Patent
active
045496595
ABSTRACT:
Selection means is provided for particles following a free flight trajectory path, those particles having a preselected characteristic, such as fluorescence under x-ray bombardment, being detected and a signal being transmitted on such detection to electrostatic charging means to locally ionize the atmosphere and thereby charge the detected particle as it passes through the locally ionized atmosphere, the charged particle being deflected from its free flight trajectory path by an electric field. Non-detected and uncharged particles continue in the free flight trajectory path. Particles may be detected in a path having lateral spread by providing detecting means and electrostatic charging means which are together responsive to particles in respective portions of the path.
REFERENCES:
patent: 1358375 (1920-11-01), Koch
patent: 2646880 (1953-07-01), Frankel
Boyle Alan
Hawkins Albert P.
Stone Alan M.
CRA Exploration Pty. Ltd.
Foster Glenn B.
Scherbel David A.
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