Improvements in Brick Making Machines.
Year: 1898

page_text: Date of Application, 25th Nov., 1898
Complete Specification Left, 25th Aug., 1899-Accepted, 30th Sept., 1899
PROVISIONAL SPECIFICATION.
Improvements in Brick Making Machines.
I, GEORGE AUSTEN, of 8, London Road, Northfleet, in the County of Kent,
Brickmaker, do hereby declare the nature of this invention to be as follows:-
This invention relates especially to the manufacture of what are known as
sand stock bricks but it is also applicable to other kinds.
The machine has a fixed horizontal table-supporting a number of moulds
(preferably four) open at the top and bottom which revolve on it with a step by
step motion being driven by a central shaft. At one side of the table is a
continuously running pug mill delivering clay into receptacles in an inter-
mittently rotating wheel and at the mouth of the mill there is a knife which
periodically cuts off the clay and then stops the stream whilst the wheel is moving.
The wheel successively drops the pieces of clay from its receptacles into the
moulds as they come beneath it. Above the table is a press the head of which
descends into the moulds and presses the clay between it and the table. There
are two holes in the table one having above it a second press or pusher and the
other having below it a fast running brush revolving in a sand box.
The action of the machine assuming there are four moulds is as follows:-
When the moulds come to rest the other parts of the machine start, the knife
cuts off a piece of clay and closes the mouth of the pug mill, the piece of clay
so cut off drops into the upper receptacle of the wheel and the latter revolving
drops a similar piece from another receptacle into the first mould, the head of
the press descends and presses the clay in the second mould, the pusher descends
into the third mould and pushes out the brick in it through the hole in the table
on to a board held to receive it and the brush revolves and sprinkles sand on the
inside of the fourth mould which is empty a board being fixed above the mould
to prevent the sand from escaping. The knife uncovers the mouth of the mill,
the receptacles stop, the press and pusher rise and the moulds revolve through a
quarter turn.
Improvements in Brick Making Machines.
I, GEORGE AUSTEN, of 8, London Road, Northfleet, in the County of Kent,
Brickmaker, 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 especially to the manufacture of what are known as
sand stock bricks but it is also applicable to other kinds.

page_text: Figure 1 is a front elevation of a machine constructed according to this inven
tion. Figure 2 is a right hand, and Figure 3 a left hand side elevation.
Figure 4 is a plan of the table and moulds to a larger scale. Figure 5 is an
elevation partly in section of the pug mill, and Figure 6 is a vertical section of
the sanding device.
a. is a fixed horizontal table. 61 62 63 64 are four moulds open at the top and
bottom carried at the ends of arms b. Although four moulds are shown it will
be understood that the invention is not limited to this number. The arms bare
supported on a ring a carried by chairs a² fixed to the table a so that the bottoms
of the moulds are just above the table. By this arrangement friction is diminished.
The moulds are connected by chains and screw shackles 66 so that they can be
accurately spaced. c is a continuously running pug mill of ordinary con-
struction delivering into the intermittently rotating wheel & having recesses
in it is a knife or scraper fixed at the mouth of the pug mill.
sanding devices one for the moulds and the other for the wheel d. As shown in
Figure 6 they are provided with a pair of brushes or fans e¹ revolving in opposite
directions.
ee are two
The method of operating the machine is as follows: -f is the main shaft
driven by a belt on the pulley ft. f is a toothed wheel on the shaft f gearing
with the wheel g₁ on the shaft g which operates the pug mill by gearing not
shown and also has on it the wheel gearing with the wheel h¹ on the shaft h.
j and k are crank pins on the shaft h to which connecting rods ¹¹ are pivotted.
These connecting rods have pawls at their ends engaging with the ratchet
wheelsm fixed respectively on shafts 7 m which therefore are intermittently
driven. The shaft carries a bevel pinion gearing with the bevel pinion n¹
on the vertical shaft n to which the arms 6 carrying the moulds are pivotted.
The shaft m carries a bevel pinion m² gearing with the bevel pinion o¹ on the
vertical shaft o to the upper end of which is fixed the pinion o gearing with the
pinion on the horizontal shaft p. 72 is a toothed wheel on the shaft p gear-
ing with the pinion g¹ on the shaft which carries a crank pin q3 operating
the press or plunger 73. 3 is a bevel pinion on the shaft p gearing with the
pinion on the inclined shaft r whose lower end carries the bevel pinion
gearing with the pinion s¹ on the shafts on which the wheel dis fixed. 24
(Figure 3) is a bevel pinion on the shaft p gearing with the pinion on the
shaft to which is fixed the wheel gearing with the pinion on the
shaft which carries the crank pin operating, the delivery plunger 3.
p is a belt pulley on the shaft driving the wheel c² gearing with the
pinions of the fans e¹ of the mould sanding device. is a belt pulley
on the shaft g driving the pulley on the shaft which operates the sanding
device of the wheel d. When the parts are in the position shown the connecting
rod has just finished its stroke from left to right and is about to return and
whilst it is doing so the moulds will remain stationary. The connecting rod k¹
is about to commence its stroke from left to right and so put the parts operated
by it in motion; the wheel & will be turned through a quarter revolution and
will drop a piece of clay into the mould and then stop. The plunger q³ will
descend and press the clay in the mould 62 and will then rise again, the plunger u³
will descend and force the brick in the mould 63 out onto a detached portion a³
of the table and will then rise again. The detached portion as of the table is
supported on springs at which are compressed by the weight of the brick but
when the latter is removed a³ rises again. And lastly the sanding device e
beneath the mould 64 will start and sprinkle sand on the inside of the mould, the
board w preventing it from escaping out of the top.
When the connecting rod has finished its stroke from left to right all the
above mentioned parts remain stationary during its return stroke. Meanwhile
the connecting rod j¹ is moving from left to right revolving the moulds through
a quarter turn bringing into the position of 62 and so on.

page_text: Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what
I claim is:
-
1. The combination with a brick machine of means for sprinkling the insides
of the moulds with sand substantially as described.
2. A brick machine having four or a multiple of four moulds, and means
whereby one mould is filled, the brick is pressed in the second mould, the brick
is discharged from the third mould, and the fourth mould is sanded, substan-
tially as described.
3. The intermittently rotating receptacle for receiving clay from the pug mill
and delivering it into the moulds, substantially as described.
4. The sanding device consisting of a brush or fan rotating in a sand box,
substantially as described.
5. Brick machines with or without the sanding device substantially as described
and illustrated in the drawings.