Quick miner's pan

Details Quick miner's pan Quick miner's pan

1980-03-10

1981-06-16

Hill, Ralph J.

Classifying, separating, and assorting solids

Stratifiers

With liquid treatment

209458, 209506, B03B 502

Patent

active

042736480

ABSTRACT:
A pan for separating gold or other precious heavy metals from wet sand or gravel is provided with a round bottom joined to obliquely rising sides at the circumference. Near the center of the bottom of the pan is an aperture leading to a trough which is formed integrally with the bottom and slopes downwardly therefrom. Within the trough is a ladder-like structure having a plurality of steps which collect the heavy metal particles from the dross.

REFERENCES:
patent: 159113 (1875-01-01), Oakes
patent: 845395 (1907-02-01), Christmann
patent: 1704265 (1929-03-01), Stephan
patent: 2178390 (1939-10-01), Boekel
patent: 2355375 (1944-08-01), Herbert
patent: 3899418 (1975-08-01), Lawrence et al.

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