IMPROVED MACHINERY FOR MOULDING BRICKS, TILES, AND OTHER LIKE ARTICLES.
Year: 1861

page_text: LETTERS PATENT to Edward Loomes, of Whittlesey, in tlie Isle of Ely,
and County of Cambridge, Brick and Tile Manufacturer, for the Inven-
tion of "IMPROVED MACHINERY FOR MOULDING BRICKS, TILES, AND OTHER
LIKE ARTICLES.
Sealed the 4th April 1862, and dated the 15th November 1861.
PROVISIONAL SPECIFICATION left by the said Edward Loomes at the
Office of the Commissioners of Patents, with his Petition, on the
15th November 1861..
I, EDWARD LOOмES, of Whittlesey, in the Isle of Ely, and County of
Cambridge, Brick and Tile Manufacturer, do hereby declare the nature of.
the said Invention for "IMPROVED MACHINERY FOR MOULDING BRICKS, TILES,
AND OTHER LIKE ARTICLES," to be as follows:-
j
My Invention of improved machinery for moulding bricks, tiles, and other.
like articles relates to that part of brick-or tilé-making machinery at which the
clay is forced out from the pugmill, into or through the moulds or dies. My
improvement consists in adapting to the lower end of the pugmill shaft one,
two, or more excentrics, cams, wipers, or other analogous contrivances in
combination with moveable stops, against which the clay or substance to be
moulded is pressed by the cams or wipers as they move round, and by thus.
pressing or squeezing the clay between the curved surfaces of the wipers, and
the stops it will be forced out of: the mill through the apertures provided for

page_text: the purpose, and will be pressed into or through the moulds or dies. The
moveable stops work in suitable guides, and. the cams or excentrics which
operate them are situated on the under side of the pugmill, or in any other
convenient position. Radial arms on the pugmill shaft above the pressing
cams or wipers will, by their rotation, carry down the clay or other material in
front of the pressing cams or wipers, so as to enable the latter to carry it
forward against the stops, and thereby force it out of the mill into the moulds
or dies.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Edward Loomes in the Great Seal Patent Office on the
15th May 1862.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, EDWARD
LOOMES, of Whittlesey, in the Isle of Ely, and County of Cambridge, Brick
and Tile Manufacturer, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Fifteenth day of November, in the year of our Lord
One thousand eight hundred and sixty-one, in the twenty-fifth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Edward Loomes, Her special license that I, the said Edward Loomes, my
executors, administrators, and assigns, or such others as I, the said Edward
Loomes, my executors, administrators, and assigns, should at any time agree
with, and no others, from time to time and at all times thereafter during the
term therein expressed, should and lawfully might make, use, exercise, and
vend, within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVED MACHINERY FOR MOULDING
BRICKS, TILES, AND OTHER LIKE ARTICLES," upon the condition (amongst others)
that I, the said Edward Loomes, by an instrument in writing under my hand
and seal, should particularly describe and ascertain the nature of the said
Invention, and in what manner the same was to be performed, and cause the
same to be filed in the Great Seal Patent Office within six calendar months
next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Edward Loomes, do hereby declare
the nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement, reference being had to the Drawing hereunto annexed, and to
the letters and figures marked thereon (that is to say):-

page_text: My Invention of improved machinery for moulding bricks, tiles, and other
like articles relates to that part of brick or tile-making machinery at or by
which the clay is forced out from the pugmill into or through the moulds or dies:
My improvement consists in adapting to the lower. end of the pugmill shaft
one, two, or more excentrics, cams, wipers, or other analogous contrivances in
combination with moveable stops, against which the clay or substance to
be moulded is pressed by the cams or wipers as they move round. By that
means the clay is pressed or squeezed between the curved surfaces of the
wipers and the stops, and will thereby be forced out of the mill through tho
apertures provided for the purpose,, and will be pressed into or through
the moulds or dies.
In the accompanying Drawing, Fig. 1 is a sectional elevation of my
improved machine; Fig 2 is a plan view of the same."
a, a, are upright standards or columns resting on solid masonry, and
supporting the horizontal bottom plate 6 of the machine. A circular box or
chamber c, c, is bolted on or forms part of this bottom plate b, and is provided
with two exit openings d, d, through which the clay or other plastic substance
is forced.. A central vertical shaft e rests in a step e¹ on the foundation plate
of the machine, and carries a large bevil toothed wheel f, which is driven by a
pinion, not shewn in the Drawing, but actuated by any suitable prime mover.
The central vertical shaft e passes through the bottom plate b and circular
chamber c, and carries a curved wiper or expressing cam g, which is firmly.
keyed on to the shaft e, and consequently revolves therewith. The boss g of
the expressing cam or wiper g is enlarged, and is made in the form of a cam
or excentric, for the purpose of forcing the clay forward as it is delivered to
the chamber c. On the top of the wiper, and exténding forward from it so as
to cover in a portion of the chamber c is a cover 9', part of which is broken
away in Fig. 2, to shew the moveable stop h below. There are two of these
stops h, one on each side of the machine, and they are caused to slide in slots
or openings made in the sides of the circular chamber c. The stops h, h, are
attached or secured. to the sliding frame i, i, which is placed beneath the
bottom plate 6 of the chamber-c, and is slotted at its central part, so as to
embrace the vertical shaft e. A cam is keyed on to the shaft e, and bears.
against one of two antifriction wheels or bowls k, k, attached to the sliding
frame i, i, as shewn by dots in the Drawing. The sliding frame i, i, is
supported beneath the bottom plate 6 by means of the flanged guide rollers 1, 1,
shewn by dots in Fig. 2. On the upper part of the central vertical shaft c
may be keyed a séries of radial arms, as in ordinary pugmills, for the purpose
of working and carrying down the clay. The pugmill, however, forms no

page_text: part of my present Invention; and therefore is not shewn in the Drawing, nor
have I considered it necessary to describe it. The radial arms on the pugmill
shaft e above the expressing cam or wiper g will; by their rotation, carry down
the clay or other material in front of the pressing cam or wiper, and the latter
will press
it forward against the moveable stops h, and thereby force it out of
the mill through the openings d'into or through the moulds or dies,. which are
adapted to the opening d. for the purpose.. It will be evident. that. two
expressing cams or wipers 9 may, if desired, be adapted to the central shaft e;
but in practice I have found that one wiper acting in combination with two
moveable stops, as shewn in the Drawing, is the most convenient, and
advantageous arrangement.
The operation of the machine is as follows:-Upon the pugmill forcing the
clay or plastic material into the chamber c before the rotating expressing cam
or wiper g, the latter will, as before stated, force the material, out of the
opening d and through or into the dies or moulds, the stops h preventing the
clay from being carried round and round in the chamberc.. In order to allow.
the wiper g to pass the stop h, the latter will be pushed back out of the way
by the cam acting against the bowls k, l, on the under side of the sliding
frame.b. As the one stop h is pushed out of the chamber c to allow the
wiper g to pass, the other stop on the opposite side of the machine will be
drawn.forward, and the advance of the wiper g will press the clay against this'
stop and force it out of the machine.
Having now described my Invention of improved machinery for moulding-
bricks, tiles, and other like articles, and having explained the manner of
carrying the same into effect, I claim as the Invention secured to me by
Letters Patent, as aforesaid, the combination. of the rotating expressing.
cam or wiper g. with the moveable stop or stops h, for the purpose herein
set forth.
In witness whereof, I, the said Edward Loomes, have hereunto set my
hand and seal, this Ninth day of May, in the year of our Lord One