US887699A - Amalgamator. - Google Patents

Description

PATENTED MAY I2, 1908.

P. ASHFORD. AMALGAMATOR.

APPLICATION FILED SBPT.13. 1906.

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UNITED STATES FREDERICK BEE SANFORD, OF NORTH YAKIMA, WASHINGTON.

AMALGAMATOR.

Specification of Letters Patent.

Patented May 12, 1908.

Application filed September 13, 1906. Serial No. 334,423.

T o all whom it may concern:

Be it known that I, FREDERICK B. SAN- FORD, a citizen of the United States, and a resident of North Yakima, in the county of Yakima and State of Washington, have invented a new and Improved Amalgamator, of which the following is a full, clear, and exact description.

This invention has for its primary object to provide means for treating auriferous -wash by gravity unaided by mechanical force, and Without reducing the ores to a finely pulverized pulp, as is necessary with the devices now in common use. This is accomplished by means of a receptacle having a closed dividing cone formed centrally in the bottom thereof, and extending into a feed cylinder so as to divide the wash and deliver it by gravity pressure below the surface of a body of mercury placed within the receptacle in the manner more particularly illustrated in the accompanying drawings, in which drawings like characters of reference indicate like parts throughout the views, and in which Figure 1 is a vertical central section of an amalgamator embodying my invention; and Fig. 2 is a horizontal section thereof taken on the line 2-2 of Fig. 1.

As illustrated in the drawings, a stationary receptacle 1 is provided with a central.

cone 2 extending upward .from the bottom of the receptacle, preferably concave in outline, and having a closed upper end or dividing point 2a projecting into the interior of the body 3 of a feed cylinder. The lower end of said cylinder which extends into the receptacle 1 is formed with a flaring flange 4 making the end ofthe cylinder bell-mouthed, so as to conform in outline to the cone and the bottom of the receptacle, and forming a vertically inclined tween the cone and the flaring end of the cylinder, thereby allowing the material within the cylinder to be divided and evenly proj ected into a body of mercury at the bottom of the receptacle. The fiange 4 of the cylinder also serves to help support part of the material within the receptacle, and to prevent said material from packing and obstructing the free passage of the material from the cylinder into the mercury at the bottom of the receptacle. By such means the material discharged through the feed cylinder is projected into the receptacle beyond annular passage-way be-v the wall of the cylinder and thoroughly diffused with the mercury.

The lower end of the cylinder is held freely within the interior of the receptacle by means of supports 5 attached at one end to the receptacle, and provided on their upper end with nuts 5a arranged preferably above and below lugs 3a formed on the cylinder 3, whereby the feed cylinder may be adjusted relatively to the receptacle 1 and vary the width of the passage way between the cone 2 and the lower end 4 of the feed cylinder, as may be desired. The wash may be fed directly into the feed cylinder 3, or if desired an auxiliary section or elbow 6 may be attached to the feed cylinder by means of an off-set flange 3b engaging the end of the auxiliary section, and tie bolts 7 passing through lugs 3C and 6a formed on the feed and auxiliary cylinders and provided with clamping nuts 7a. A pressure feed may be attached to the device, if desired, in cases Where the water supply is limited and insufficient for sluicing purposes. This device is preferably constructed of a conical hood 8 extending around the cone 2 of the receptacle, and spaced therefrom by means of bolts 8a by which the hood is attached to the cone. The upper end of said hood is attached to a pipe 9 adapted to be connected in any suitable manner to a water supply.

By means of this construction, auriferous wash, sand, gravel or other soluble matter may be assed from the sluice box into the feed cylinder 3, from whence the material passes through the lower bell-mouthed end of the feed chamber into the bottom' of the receptacle 1, where it becomes submerged in agsuitable quantity of mercury and diffused therewith by gravity alone following the lines of the outer surface of the cone 2.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. An amalgamator comprising a stationary receptacle provided with a central closed cone, a conical hood surrounding said cone and spaced therefrom, a water supply pipe connected with said hood, and a feed cylinder having an outwardly flaring lower end inclosing said cone and hood, and spaced therefrom. k1 2. An amalgamator comprising a stationary receptacle provided with a central closed cone, a conical hood inclosing said cone and spaced therefrom, a water supply 1pipe connecting with said hood, a feed tube aving an outwardly flaring lower end inclosing said cone and hood7 and spaced therefrom to form a passage way, and adjusting mechanism connected with said receptacle and feed tube adapted to raise and lower said tube and vary the width of the passage way between the feed tube and receptacle.

3. In an amalgamator, the combination of a receptacle provided with a free u per edge and a closed central cone, a feed cyillnder inclosing said cone and provided on its lower end with a flaring flange conforming in outline to that of the cone and spaced therefrom two subscribing witnesses.

so as to form a vertically inclined annular passage-way between the cone and lower end of the cylinder, terminating beyond the body portion of the cylinder7 and means for adjusting said cylinder vertically relatively to said receptacle and varying the width of said passage-way.

In testimony whereof I have signed my name to this specification in the presence of FREDERICK BEE SANFORD.

Witnesses:

BURTON E. BENNETT, VIRGIL N. BOGUE.

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