Improvements in Separators for Removing Large Substances and Chives from Malt.
Year: 1888

page_text: Date of Application, 13th Aug., 1888
Complete Specification Left, 27th Feb., 1889
Complete Specification Accepted, 13th Apr., 1889
PROVISIONAL SPECIFICATION.
Improvements in Separators for Removing Large Substances and
Chives from Malt.
CHARLES EDWARD MUMFORD St. Andrews Works Bury St. Edmunds Engineer
DAVID HEARN 6 St. Andrews Street Bury St. Edmunds Engineer do hereby declare
the nature of this invention to be as follows:-
This invention relates to machines for Screening Malt in the ordinary way i.e.
with stationary inclined beds and is used in conjunction with Screens of known
construction according to our invention the malt is fed from a Hopper on to a riddle
constructed of wires placed longitudinally & held together by means of cross bars
which are punched to receive them, the wires of this riddle are placed at suitable
distances to permit the Malt & Chive passing through on to an ordinary screen, the
large substances being thus separated. The said riddle is able to be adjusted to any
required incline or slope, and the lower end is provided with a box or receiver for the
reception of stones or other large substances which it separates from the Malt which
passes through it. No motive power is required with the Separator as the Grain when
placed in the Hopper works by gravitation.
CHARLES EDWARD MUMFORD.
DAVID HEARN.

page_text: COMPLETE SPECIFICATION.
Improvements in Separators for Removing Large Substances and
Chives from Malt.
We CHARLES EDWARD MUMFORD St. Andrews Works, and DAVID HEARN, 6, St.
Andrews Street North, both in Bury St. Edmunds, 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 machines for screening malt, and has for its object to
remove large foreign bodies therefrom, and also to separate the chives more efficiently
than heretofore.
In the accompanying drawing, we have shown, in
Fig. 1, a plan view of a malt screen embodying our invention, and in
Fig. 2, a longitudinal section of the same.
Fig. shews in plan view, detached, a device for clearing the screen.
A is the hopper into which the malt to be separated is thrown. From thence it
passes, by gravitation, onto the grid B, the wires of which run longitudinally thereof.
The malt and chives fall thro' this grid, but the larger substances, such as stones, roll
down into the box C. The grid B is provided with swinging check pieces for
retarding the advancing material, and preventing the malt from accompanying the
stones into the stone box.
Passing thro' the grid B, the malt and chives fall upon another grid D, with
transverse wires arranged sufficiently apart to permit the chives to pass, but not the
malt, which continues its course, by the force of gravity, along the grid D to the
end thereof, from whence it falls, and strikes against the wire face of the box E.
The wire front of the box E is of a guage too small to allow of the passage of the malt
through it, but the chives, if any remain after passing the screen D, do pass through,
and are thus removed from the malt. A still further separation is ensured by the
malt falling from the face of the chive hox onto the screen F, from whence it
passes thoroughly cleaned from stones and chives.
The grid B is carried by, and is capable of slightly tipping upon trunnions bb,
bedded in the ends of the grooves in the sides of the framing. This renders
the inclination of the grid B adjustable to suit requirements, the grid being fixed
at the inclination desired. by the slotted plates 61 b and bolts 62 62 passing through
the framing. The stone box (stands upon, and forms the top of the chive box E,
which latter is supported upon fillets within the framing, both boxes being capable
of removal for emptying. The feed of malt from the hopper is regulated by a sliding
shutter in the usual manner. The rest of the machine is constructed as usual.
The screens D and F are however provided with clearers G (shewn detached at
Fig. 3), consisting of a metallic frame, upon the ends of which, on the upper edge,
are rake teeth which pass between the wires of the screens when in position, and
are capable of being drawn backwards and forwards by the handle g in the direction.
of the length of the wires, to effect a clearance when required. This form of
clearer is applicable to many kinds of stationary screens.

page_text: Having now particularly described and ascertained the nature of our said Inven-
tion and in what manner the same is to be performed, we declare that what we
claim is:
1. The application to a malt screen, of a separating grid for stones and other
large substances arranged next the feed hopper, substantially as herein shown and
described.
2. Constructing screens for Malt with stone separating grid, and removable stone
box and chive box, substantially as herein shewn and described.
NEWTON & SON,
Agents for the Applicants.