Placer mining sluice

Classifying – separating – and assorting solids – Plural – diverse separating operations – Sifting and stratifying

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Details

209257, 209281, 209458, 209508, B03B 526, B03B 700

Patent

active

043714358

ABSTRACT:
A placer mining sluice for separating relatively heavy particulate valuable materials from relatively light waste material. The mining sluice includes an inverted generally V-shaped grizzly screen having first and second sides which slope downwardly and outwardly from a longitudinal axis of the screen. First and second panels are positioned at opposed ends of the screen to close off the ends of the screen. A deflector pan having opposed first and second ends is positioned beneath the grizzly screen to extend between the first and second screen sides and between the first and second screen ends. The first end of the pan contacts the first panel. A tray is positioned beneath the deflector pan and screen at an angle relative to the horizontal with the uppermost tray end beneath the second end of the deflector pan. Material passing through the screen passes over the deflector pan second end onto the uppermost end of the tray.

REFERENCES:
patent: 146275 (1874-01-01), Paul
patent: 234826 (1880-11-01), Waugaman
patent: 786322 (1905-04-01), Stein
patent: 790572 (1905-05-01), Hickman
patent: 801968 (1905-10-01), Clark
patent: 883861 (1908-04-01), Creasy
patent: 1510742 (1924-10-01), Gutleben
patent: 1588102 (1926-06-01), Goody
patent: 1915602 (1933-06-01), Goody
patent: 1973770 (1934-09-01), McCullough

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