Gold pan and classifier

Details Gold pan and classifier Gold pan and classifier

1980-03-10

1981-09-15

Cuchlinski, Jr., William A.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Sifting and stratifying

209447, 209506, B07B 132

Patent

active

042892414

ABSTRACT:
A gold panning and classifying method and system includes a generally rectangularly shaped gold pan having diverging side panels and a plurality of valleys and ridges in the front panel. A plurality of nesting classifying screens are included to effect a first separation of material into portions composed of equivalent size particles. The unique shape of the pan greatly enhances the gravity separation techniques for separating fine sands from gold and gold dust.

REFERENCES:
patent: 585989 (1897-07-01), Sletcher
patent: 634120 (1899-10-01), Moore
patent: 760691 (1904-05-01), Herndon
patent: 840333 (1907-01-01), Hussex
patent: 865178 (1907-09-01), Hardwick
patent: 1444752 (1923-02-01), Ord
patent: 2122822 (1938-07-01), Noel
patent: 3899418 (1975-08-01), Lawrence et al.
patent: 4162969 (1979-07-01), Lagal

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