Improvements in or connected with Machines for Making Fire Bricks, Glazed Bricks, and the like.
Year: 1898

page_text: Date of Application, 3rd Mar., 1898
Complete Specification Left, 22nd Nov., 1898-Accepted, 23rd Dec., 1898
Improvements in or connected with Machines for Making Fire
Bricks, Glazed Bricks, and the like.
We, JOHN SAMUEL PULLAN and WILLIAM HUTCHINSON MANN, both of Elland
Road, Leeds, in the County of York, Engineers, do hereby declare the nature of
this invention to be as follows:-
-
The object of our invention is to construct apparatus whereby fire bricks,
glazed bricks, and other similar articles may be effectively and efficiently formed,
without the expenditure of time and money hitherto necessary in manufacturing
the said articles by hand.
According to our invention, we employ a steam or other power cylinder which
carries a clay cylinder at its lower end, and the piston rod of the power cylinder
is connected at its lower end to a piston in the clay cylinder, in such a manner
that the movements of the power piston feed the clay to an outlet at the base of
the clay cylinder at the required speed and pressure. A sliding mould having
two or more mould recesses, is connected to the base of the clay cylinder, in such
a manner that it may be moved in opposite directions so as to bring the mould
recesses alternately below the clay outlet. The bases of the moulds are made
movable and are mounted on the ends of two rods which are carried on the
opposite arms of a rocking beam mounted on the underside of the sliding mould,
and this construction has the effect of ejecting one or one set of bricks as the
A suitable way of
clay is being pressed into the mould under the clay outlet.
actuating the sliding mould is by means of an arm and connecting link, which
can be moved backward and forward by means of a double acting power cylinder,
or the sliding mould can be moved by a hand lever or by any suitable mechanical
appliance.
The machine above described may be worked either in a vertical, horizontal, or
other position as desired, and the clay may be fed to the outlet and to the moulds
by a worm or any other suitable means.
1000
Improvements in or connected with Machines for Making Fire
Bricks, Glazed Bricks, and the like.
We, JOHN SAMUEL PULLAN and WILLIAM HUTCHINSON MANN, both of Elland
Road, Leeds, in the County of York, Engineers, do hereby declare the nature of
T

page_text: this invention and in what manner the same is to be performed, to be particu-
larly described and ascertained in and by the following statement; -
The object of our invention is to construct brick making machines, in such a
manner that fire bricks, glazed bricks, and other similar articles, may be pro-
duced and formed with a texture and consistency similar to the bricks hitherto
made by hand, the disadvantages of the extreme density of the old machine
made bricks being entirely avoided.
In order that our invention may be clearly understood, we will proceed to
describe same with reference to the accompanying drawing, in which similar
letters refer to like parts in both figures.
Figure 1 is an end elevation partly in section, and Figure 2 is a side elevation
partly in section, of a machine constructed in accordance with our invention.
According to our invention, we employ a steam or other power cylinder A
which carries a clay cylinder B at its lower end, and the piston rod C of the
power cylinder A is connected at its lower end to a piston 1) in the clay
cylinder B, in such a manner that the downward movement of the power piston
feeds the clay to an outlet E at the base of the clay cylinder B at the required
speed and pressure. F is a removable plate, having apertures in the same to
suit the size and number of bricks to be made simultaneously, and a sliding
mould G having two sets of mould recesses H, H', is mounted in slides J on the
base of the clay cylinder B, in such a manner that it may be moved in opposite
directions so as to bring the two sets of mould recesses H, H₁, alternately below
the clay outlet E. The bases K, K', of the moulds are made movable and are
mounted on the ends of rods L, L', which are carried on the opposite arms of a
rocking beam M mounted on a bracket N situated on the underside of the sliding
mould G. P is a bell-crank lever which is carried on a bracket R, and links S
and T connect the opposite arms of the bell crank lever P, to the sliding mould G
and to the piston rod V of a steam cylinder W, respectively. G1, G2 are pallet
boards, for receiving the bricks prior to their removal from the machine.
On steam being admitted to the cylinder A and depressing the piston D, the
clay in the cylinder B is fed to the outlet E and forced through the apertures in
the removable plate F into the mould recesses H which are situated in the sliding
mould G_immediately below the clay cylinder B, thus depressing the bases K
and rods L, and rocking the beam M and at the same time raising the rods L' and
bases K¹. Steam is now admitted to the cylinder W, thus causing the piston
rod V to rise, and through the medium of the links T to rock the bell-crank
lever P, and the upper arm of the said lever through its links S, slides the mould G
to the left, thus ringing the recesses H¹ below the outlet E of the clay cylinder B.
On the next depression of the piston D the clay is forced into the recesses H',
thereby depressing the bases K¹ and rods L', rocking the beam M, and raising
the rods L' and the bases K, and the latter extract the moulded bricks from the
moulds H, that were made in the previous operation. On the return of the
bell-crank lever P to its normal position, caused by the reverse movement
imparted by the cylinder W, and the recharging of the moulds H from the
clay cylinder B, the parts are again brought into the position shewn at Figure 2,
and the last bricks that were formed in the moulds H are left on the pallet
board G¹, from whence they may be moved by hand or by automatic means.
As the manufacture of the bricks continues, the delivery of the bricks is effected
alternately on the pallet boards G¹ and G², one set of bricks being delivered at
each reciprocation of the sliding mould G.
The sliding mould G could be actuated in any suitable way, according to the
facilities provided near the machine. For instance, where a wall is in a con-
venient position, a cylinder could be mounted horizontally on the wall and work
the sliding mould G direct by means of its piston rod. The clay could be fed
to the recesses by any other suitable means, and mechanical or other movements
could be utilized both for feeding the clay and for actuating the slide in cases
where it is not desirable to employ steam power,

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 sliding mould G, having mould recesses H, H', bases K, K¹, rods L, L¹
and rocking beam M, substantially as and for the purposes set forth.
2. The mould G having recesses H, H¹, bases K, K¹, rods L, L¹, beam M,
bracket N, pallet boards G and G2, in combination with a suitable apparatus
for feeding the clay, substantially as and for the purposes set forth.
3. The sliding mould G and parts connected therewith in combination with
the cylinder A, clay cylinder B, piston rod C, piston D, and the removable plate F',
substantially as and for the purposes set forth.
4. The sliding mould G and parts connected therewith, in combination with
the bell-crank lever l', bracket R, links S and T, piston rod V and cylinder W,
substantially as and for the purposes set forth.
Dated this 2 Over
BREWER & SON,
London and Leeds, Agents for the Applicants.
BREWER & SON,
London and Leeds, Agents for the Applicants.