Classifying – separating – and assorting solids – Plural – diverse separating operations – Sifting and stratifying
Patent
1997-12-05
2000-03-28
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Plural, diverse separating operations
Sifting and stratifying
209447, 209490, 209506, B03B 700
Patent
active
060419407
ABSTRACT:
An apparatus for detecting metal in materials is disclosed. The apparatus has, in combination, a sifter for sifting materials onto a metal detector plate assembly, the metal detector plate assembly having a metal detector plate in electrical communication with a metal detector alarm.
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Gold and Treasure Hunter magazine, Jan. 1996, various Advertisements.
White's catalog of metal detectors, 1994, various metal detectors.
Keene Engineering catalog, 1994, various sluices.
McGue Frank J.
Nguyen Tuan N.
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