Improvements in or applicable to Ore Concentrators.
Year: 1892

page_text: Date of Application, 3rd Mar., 1892
…. Complete Specification Left, 5th Nov.; 1892-Accepted, 10th Dec., 1892
A
PROVISIONAL SPECIFICATION:
Improvements in or applicable to Ore Concentrators.
1, EDWARD JONES, of 206, Gresham House, Old Broad Street, in the City of
London, Mining Engineer, do hereby declare the nature of this invention to be
as follows:-
:-
This invention relates to that class.of ore concentrators in which an endless
travelling band is employed for separating the heavier particles from ganguc...
According to my invention instead of employing a plain band as hitherto
I form my band with recesses whereby as the band travels under the distributor
the heavier particles of the ore settle in the recesses, the lighter particles being
washed away in an opposite direction to that in which the belt travels and, as
the band turns over the roller at the end of the apparatus, the heavier particles
are discharged into a suitable trough or receiver placed beneath.
My improved band can be advantageously manufactured by taking a plain band
of india rubber and vulcanizing thereon a perforated band.
G. F. REDFERN & Co.,
4; South Street, Finsbury, London, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in or applicable to Ore Concentrators.
I, EDWARD JONES, of 206, Gresham House, Old Broad Street, in the City of
London, Mining Engineer, do hereby declare the nature of this invention and
in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement :-
This invention relates to that class of ore concentrators in which an endless
travelling band is employed for separating the heavier particles from the gangue.
According to my invention instead of employing a plain band as hitherto I form
my band with recesses whereby, as the band travels under the distributor, the
heavier particles of the ore, settle in the recesses, the lighter particles being washed
away in an opposite direction to that in which the belt travels, and as the band
turns over the roller at the end of the apparatus, the heavier particles are
discharged into a suitable trough or receiver placed beneath.
In order to enable my invention to be fully understood I will describe the same
by reference to the accompanying drawing, in which :-
Figure 1 is a plan view; and,
Figure 2 a section of part of a band for .ore concentrators made according to my
invention.
Figure 3 is a transverse section of the band shewing the shape it assumes when
passing over its carrying rollers. The said figures are drawn full size.
Figures 4 and 5 are a side view and a plan respectively of an ore concentrator
with my improved band applied thereto.
My improved band for ore concentrators can be advantageously manufactured by
taking a plain band a of india-rubber or rubber-cloth or other suitable flexible
material and vulcanizing or otherwise cementing thereon a perforated or reticulated
band or sheet of vulcanized india-rubber or other suitable material whereby
I obtain a band having recesses or pockets c throughout its working surface.
By reference to Figures 1, 2 and 3 of the drawing it will be seen that the lower

page_text: band or band proper a is of greater width than the perforated band, so as to leave
the plain edges d which, when the band is placed on its carrying rollers, will turn
up and bear against the inner sides of the flanges e of the carrying rollers so that
the band forms a kind of trough.
A band of this construction is suitable for use with an ordinary ore concentrator
such as is shewn in Figures 4 and 5 in which represents the framing carrying the
rollers g. 9g over which my hand or belt passes. h is a tightening roller, i is the
feeding trough or distributor, the depositing box, and k, k adjusting screws for
altering the pitch of the table or band: all the said parts being of ordinary
construction need no further description.
:
C
The operation is as follows:-As the band travels in the direction of; the arrow
under the feeding trough or distributor i, the heavier particles of the ore as they
fall on the band will settle in the recesses or pockets c thereof, while the lighter
particles will be washed away in the opposite direction to that in which the belt or
band travels and will be discharged into the receiver and, as the band turns over
the end roller g, the heavier, particles which have been deposited in the recesses or
pockets c will be discharged into the depositing. box j, any particles remaining in
the recesses being washed out as the band passes through the water in the box j.
Although I have described a suitable method of manufacturing my improved
band for ore concentrators I wish it to be understood that the band or belt may
be manufactured in any other suitable manner, provided a band or belt be produced
having recesses or pockets such as are herein before described.
с
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, 1 declare that what I
claim is
1. A band for ore concentrators provided with recesses or pockets as and for
the purpose described.
2. An ore concentrator provided with a band having recesses or pockets arranged
and operating substantially as herein before described and illustrated in the several
figures of the accompanying drawing.
3. The improved ore concentrator hereinbefore described and illustrated in
Figures and 5 of the accompanying drawing..
Dated this 5th day of November 1892.
G. F. REDFERN &.Co.,
4, South Street, Finsbury, London, Agents for the Applicant.