US91878A - Improved amalgamator - Google Patents

Improved amalgamator Download PDF

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US91878A
US91878A US91878DA US91878A US 91878 A US91878 A US 91878A US 91878D A US91878D A US 91878DA US 91878 A US91878 A US 91878A
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copper
zinc
amalgamator
improved amalgamator
rubber
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/10Obtaining noble metals by amalgamating

Description

.Htwt @tithe GEORG-E STEVENS, OF SAN FRANCISCO, CALIFORNIA.
Letters Patent N 91,878, dated .Tama E29, 1869.
IMPROVED AMALGAMATOR.
'lhe Schedule referred to in these Lectexs Patent and making part of the same.
" 0r amalgamator, iu such a manuel' as to haverubber attachments, or any pliable materia-l, to rub the galvanized-copper plate, V"r'e's',"i'aud rriercury, so as to produce,
a precipitation of mercury and amalgains, and also to create an electrical action as the rubber passes over and comesin contaliith"theiiieifcury'authe plates upon the bottom ofthe settlers.
I also make a float, orcover, the under side of which Ais zinc, the zinc resting upon the surface of the pulp, and to which zinc is attached an electric conductingwire, lthe opposite end of which is attached to t-he copper lining,r ofthe settler-bottom, thus causing a constant current of electricity to pass through the pulp. and precipitating;q the contents.
, I form arms and mullers, of wood or iron, to act as stirrers, and also to receive India rubber, leather, or other pliable substance as slicesj or frictional strips, to produce the desired eect.
Figure 1 is the tub or settler.
Figlie 2 is the mullcr.
A 1s the Inuller, or stirrer.
B is the rubber, orshocs.
C are the copper plates.
I) is the zinc plate.
E is the electric conducting-wire.
1. The use of rubber, leather, 0r other plial'alc material, as shoes, or rubbers, 'orstrips, ruiming Von copper, for the purposes of amalgamating with mercury, and brfprecipitating and gathering the saine and metals.
2. The use of a tub, or other vessel, arranged so as to make a galvanic battery, by theintroduetion of copper and Zinc plates, with frictional mullers acting upon the copper plates, and by the pulp, containing the mercury and ores. act-ing as the exciting-liquid, for
purposes specified.
GEORGE STEVENS. Witnesses:
J osera H. ATKINSON, C. S. DREW.
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