IMPROVEMENTS IN THE MANUFACTURE OF BRICKS, AND IN THE KILNS EMPLOYED THEREFOR.
Year: 1872

page_text: LETTERS PATENT to Thomas Maynard, of Dawley, in the County of
Middlesex, Brick Manufacturer, for the Invention of "IMPROVEMENTS
IN THE MANUFACTURE OF BRICKS, AND IN THE KILNS EMPLOYED THEREFOR.
"
Scaled the 8th November 1872, and dated the 11th May 1872..
PROVISIONAL SPECIFICATION left by the said Thomas Maynard at
the Office of the Commissioners of Patents, with his Petition, on
the 11th May 1872.
I,. THOMAS MAYNARD, of Dawley, in the County of Middlesex, Brick
Manufacturer, do hereby declare the nature of the said Invention for
"IMPROVEMENTS IN THE MANUFACTURE OF BRICKS, AND IN THE KILNS EMPLOYED.
THEREFOR," to be as follows, that is to say
÷-
The Invention relates to. the treatment of that class of bricks known
as place bricks, and other red bricks, which in the ordinary process of
burning are only partially and imperfectly burnt, being soft and porous
and only fit for inferior purposes; my Invention consists in reburning
such bricks with fuel composed as herein-after described, whereby placo
and other red bricks are converted into good stock bricks..
To carry out my Invention I construct a kiln of two parallel brick
walls, which may be extended according to requirements, supported at

page_text: the outer sides by buttresses, and liaving openings at the lower parts
for the ignition of the fuel. The fuel I employ is small coal, coke, and
common breeze, either combined or separately, and which is or are spread
over each course of bricks as circumstances require, and is also applicable
to re-burning in the ordinary clamp.
SPECIFICATION in pursuanco of the conditions of the Letters Patent,
filed by the said Thomas Maynard in the Great Seal Patent Office
on the 11th November 1872.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, THOMAS
MAYNARD, of Dawley, in the County of Middlesex, Brick Manufacturer,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Eleventh day of May, in the year of
our Lord One thousand eight hundred and seventy-two, in the thirty-
fifth year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said Thomas Maynard, Her special licence that
I; the said Thomas Maynard, my exccutors, administrators, and assigns,
or such others as I, the said Thomas Maynard, my executors, adminis-
trators, 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 "IMPROVEMENTS IN THE Manu-
FACTURE OF BRICKS, AND IN THE Kilns employed thEREFOR,” upon the condition
(amongst others) that I, the said Thomas Maynard, my executors or
administrators, by an instrument in writing under my, or their, or one
of their hands and seals, should particularly describe and ascertain the
nature of the said Invention, and in what manner the same was to bo
performed, and cause the same to be filed in the Great Seal Patent
Office within six calendar months next and immediately after the dato
of the said Letters Patent.
NOW KNOW YE, that I, the said Thomas Maynard do hereby declare
the nature of my said Invention, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the

page_text: following statement, reference being had to the Drawing hereto annexed
and to the figures and letters marked thereon that is to say :-
The Invention relates to the treatment of that class of bricks known
as place bricks, and other red bricks, which in the ordinary process of
burning are only partially and imperfectly burnt, being soft and porous
and only fit for inferior purposes; my Invention consists in reburning
such bricks with fuel composed as herein-after described, whereby place
and other red bricks are converted into good stock bricks.
To carry out my Invention I. construct a kiln of two parallel walls
A, A, as shewn in part side elevation in Figure 1, and in end elevation
at Figure 2 of the accompanying Drawing. These walls are built up
with bricks without cement or mortar, and may be extended according
to requirement. The walls are strengthened and supported at the outer
sides by buttresses B, B, and have openings C, C, at the lower parts for the
ignition of the fuel. The fuel I employ is small coal, coke, and common
breeze in suitable proportions, combined or separate, and which is spread
over each course of bricks as circumstances require, and is also appli-
cable to reburning in the ordinary clamp. When the bricks and fuel
have been placed in the kiln the ends of the kiln are enclosed with
brick walls as a protection from the wind; one of these end walls may,
if desired, be made permanent.
Having now described my said Invention, and the manner in which
the same is to be performed, what I claim is,-
First. The reburning place and other red bricks to convert them into
stock bricks, substantially as herein-before described.
Secondly. The construction of kilns as herein-before described and
represented in the accompanying Drawing.
In witness whereof, I, the said Thomas Maynard, have hereto set
my hand and scal, this Eleventh day of November, in the year
of our Lord One thousand eight hundred and seventy-two.
Witness,
W. A. GILBEE,
4, South-St., Finsbury.
THO MAYNARD. (L.S.)