An Improved Refractory Substance or Material suitable for Lining Furnaces or for other Purposes where a Material Capable of Withstanding a High Temperature is desired.
Year: 1885

page_text: An Improved Refractory Substance or Material suitable for
Lining Furnaces or for other Purposes where a Material
Capable of Withstanding a High Temperature is desired.
I ARTHUR BRIN of 5 Sydney Street South Kensington in the County of
Middlesex Engineer and Chemist do hereby declare the nature of this Invention
to be as follows:-
i
My Invention has for its object to provide a refractory material or substance
suitable for lining furnaces or for other purposes where a material capable of
withstanding a high temperature is required without injury to or change in its
composition. According to my Invention I agglomerate preferably with great
pressure silica magnesia and alumina-I do not limit myself to any precise
proportions of the ingredients nor to any precise means for agglomerating them;-
By the composition described I am able to obtain, a substance which will remain
unaltered even under the intense heat of the electric arc.

page_text: An Improved Refractory Substance or Material suitable for
Lining Furnaces or for other Purposes where a Material
Capable of withstanding a High Temperature is required.
I ARTHUR BRIN of 5 Sydney Street South Kensington in the County of
Middlesex Engineer and Chemist 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 :-
The object of my Invention is to produce an improved refractory substance of
material suitable for lining furnaces or for other purposes where a material capable
of withstanding a high temperature is required without injury to or change in its
composition.
According to my Invention I agglomerate silica magnesia and alumina, sub-
mitting the composition to a very high pressure and also in some cases to a very
high temperature.
Whilst claiming as a part of my Invention the admixture in the proportions or
approximately the proportions, hereinafter given I do not necessarily limit myself
to the precise proportions of the ingredients named nor to any precise means for
applying the pressure or the high temperature when required I give the following
as the best means with which I am acquainted for carrying my Invention into
effect. I take of silica 10 parts by weight of magnesia 83 parts by weight and of
alumina 7 parts by weight and I reduce and sift them or otherwise treat them so
as to obtain them in as fine a condition as possible and I then thoroughly mix them
together and then I put them in a press preferably in moulds or receptacles of the
shape of the article to be produced such for example as slabs for furnace linings.
I then apply pressure to the materials preferably hydraulic pressure amounting
to 700 kilogrammes per square centimetre of surface. I afterwards remove the
materials from the mould and it may then be used to build up the linings of
furnaces or for other purpose for which it may be required.
In cases where it is to be used for resisting intensely high temperatures suddenly
applied I prefer before using it to submit it to a very high temperature before
I place it where it is to be used. This application of a high temperature may be
effected in any suitable oven or heating apparatus and should be gradual com-
mencing with a low heat and gradually raising the temperature until as high a heat
as is conveniently attainable in practice is reached.
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
First The manufacture and use of a refractory material by agglomerating or
mixing together silica magnesia and alumina and subjecting the mixture to a high
pressure substantially as hereinbefore described.

page_text: Second-The manufacture and use of a refractory material by agglomerating or
mixing together silica magnesia and alumina and subjecting the mixture to a high
pressure and to a high temperature substantially as herein before described.
Third: The manufacture and use of a refractory material by agglomerating or
mixing together silica magnesia and alumina in the proportions or approximately
the proportions herein before stated and subjecting the mixture to a high pressure
with or without the subjection of the mixture to a high temperature substantially
as herein before described.
.
Fourth-The manufacture and use of a refractory material by first agglomerating
or mixing together silica magnesia and alumina in the proportions or approximately
the proportions hereinbefore stated then subjecting the mixture to high pressure
and then to the application of heat commencing at a low heat and gradually raising
the temperature to an intense heat substantially as herein before described.
Dated this 16th day of An 100C