Improvements in Cages for Oil Presses.
Year: 1892

page_text: Date of Application, 5th Feb., 1892-Accepted, 5th Mar.. 1892
COMPLETE SPECIFICATION.
Improvements in Cages for Oil Presses.
I AUGUSTIN ESTRAYER, of 30 Boulevard du Jardin Zoologique Marseilles, in
he Empire of France, Mechanic, do hereby declare the nature of this invention
nd in what manner the same is to be performed, to be particularly described
nd ascertained in and by the following statement :—
The ance for ail nrasses forming the abiect of my invention is represented in the
and in
what manner the same is to be performed, to De particularly
and ascertained in and by the following statement :-
UCSCIENCE
The cage for
for oil presses forming the object of my invention is represented in the
annexed drawings, wherein
Figure 1 is a vertical section taken on the line a b of Figure 3;
Figure 2 is a vertical section taken on the line c d of Figure 3;
Figure 3 is a plan of Figure 1, and
Figure 4 is a horizontal section taken on the line e f of Figure 2.
The same letters of reference are used to indicate the same or corresponding parts
in all the figures.
The cage is of cylindrical shape exteriorly, and rests upon a frame A supported
by four wheels B running on rails whereby the apparatus can be easily brought
beneath the presses when required.
The interior of the cage is octagonal in shape (see Figure 3) having four of its
adjacent sides equal in length to the opposite four. Each side of the octagon is
made of a separate piece of steel, lettered C to J on the drawing, the interior
vertical faces being flat and the exterior faces being curved to correspond with the
interior curvature of the outer cylinder L. The sections C to J can be separated
or drawn close together by means of inclined planes K formed upon or attached to
the outer periphery of each section. When the sections are brought together,
the adjacent vertical faces C¹ D₁ etc. form tight joints. The eight sections are
surrounded by an outer cylinder L provided with inclined planes K¹ on its interior
surface fitted in such a manner as to bear against and act upon the inclined planes K
on the sections C, D etc. (see Figures 1 & 2). The opening and closing of the
eight sections is effected by the vertical movement of the outer cylinder L. For
this purpose the said outer cylinder L is furnished with four screws M which
engage with female threads cut centrally through the pinion nuts N. These pinion
nuts gear with a toothed wheel O actuated by a worm P on a shaft worked by the
winch Q. To press the oleaginous seeds, it is necessary first to loosen the cage, that
is to say, to raise the outer cylinder L, which then takes the position shewn by the
dotted lines in Figure 1. The octagonal walls will then separate and the residuum
can readily be withdrawn and the new material requiring to be pressed can be placed
in position. The material is placed over the piston of a hydraulic press which
enters the cage at the lower part. When the cage is full, the outer cylinder Lis
lowered and by the action of the inclined planes K and K the sections close
together and form the interior walls of the cage. At the angles of the octagon,
that is to say, at the parts where adjacent faces meet, are vertical grooves R open
from top to bottom on the side facing towards the centre of the cage. Into these
vertical grooves R the expressed oil runs and descends to the lower part S from
whence it may be drawn off by an emptying tap.
To facilitate the passage of the oil during compression each vertical section
C. D etc. is furnished with oblique canals which discharge into the vertical grooves R
on each side of the said section. On these canals are applied vertical blades of
steel U kept in position top and bottom by plates V. The blades U are very
close together and extend over the whole of the inside of the cage.
In place of the screws M, other equivalent means may be adopted for effecting
the vertical motion of the outer cylinder L.

page_text: Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1. A cage in which to express oil, the interior walls of which said cage are built
up of eight sections C, D etc. forming an octagon interiorly and a cylinder
exteriorly, these eight sections being caused to open and close together by the
vertical motion of an outer cylinder L, whereby parallel and circular inclined
planes K are brought to bear more or less against the similar inclined planes K on
the eight sections and the said sections thus closed together or separated, the
vertical motion of the outer cylinder L being produced by any suitable means
substantially as and for the purpose herein before set forth and illustrated.
2. In a cage for oil presses wherein the interior is built up of eight sections
which are caused to open and close by means of a vertically moving outer cylinder
and inclined planes on the interior of said cylinder and also on the exterior of the
eight internal sections, the steel blades U and the oblique canals T on each section
discharging into vertical grooves R by which the expressed oil is led away,
substantially as and for the purpose hereinbefore set forth and illustrated in
Figures 1 to 3 of the accompanying drawings.
3. The combination of the various parts forming my improved cage for expressing
oil, arranged and operating substantially in the manner set forth and illustrated, and
for the purposes stated.
Dated this 5th da..
1003
F. W. GOLBY,
36, Chancery Lane, London, W.C., Patent Agent for the Applicant.