Improvements in Cements for Resisting the Action of Acids, Acid Vapours, and Heat.
Year: 1897

page_text: Date of Application, 15th May, 1897
Complete Specification Left, 18th May, 1897-Accepted, 24th July, 1897
PROVISIONAL SPECIFICATION.
Improvements in Cements for Resisting the Action of Acids, Acid
Vapours, and Heat.
JOSEPH CASPER ROMBACH, Cambrian Hotel, Briton Ferry Road, Melincrethan,
Neath, in the County of Glamorganshire, South Wales, Licensed Victualler;
and EDWARD STEPHEN RESTIEAUX, Morgan Road, Melincrethan, Neath, in the
County of Glamorganshire, South Wales, Accountant do hereby declare the
nature of this invention to be as follows:-
Our invention consists in the application of a chemically prepared and
mechanically mixed cement, in effecting a joint between bricks, tiles, or any other
materials, to be used in forming a lining for the interior of acid tanks and pick-
ling tanks, and other containers; also, by choice or otherwise, the cement may be
employed in such a manner, as to form a coating or lining, without the use of
tiles or bricks. To the purpose of our invention, the cement is to be produced
by a mixture of equal proportions, by measurement, of silicate of soda and flour
of asbestos, with water, 100 degrees centigrade, to the consistency of ordinary
mortar. By dilluting further with water, a dressing is formed, which may be
applied to the whole of the surface by means of a brush, and afterwards brushed
over with an acid solution.
Dated this fourteenth day of Mov 1897
JOSEPH CASPER ROMBACH.
EDWARD STEPHEN RESTIEAUX.
Improvements in Cements for Resisting the Action of Acids, Acid
Vapours, and Heat.
4
JOSEPH CASPER ROMBACH, Cambrian Hotel, Briton Ferry Road, Melincrethan,
Neath, in the County of Glamorganshire, South Wales, Licensed Victualler,
and EDWARD STEPHEN RESTIEAUX, Clarence Terrace, Morgan Road, Melincrethan,
Neath, in the County of Glamorganshire, South Wales, Accountant, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:
Our invention consists in the application of a chemically prepared and
mechanically mixed cement in effecting a joint between bricks, tiles, or any other
materials, to be used in forming a lining for the interior of acid tanks and pick-
ling tanks, and other containers; also, by choice or otherwise, the cement may be
employed in such a manner as to form a coating, or lining, without the use of
D
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page_text: tiles or bricks. To the purpose of our invention, the cement is to be produced
by a mixture of equal proportions, by measurement, of silicate of soda and flour
of asbestos with water 100 degrees Centigrade, to the consistency of ordinary
mortar. The soda silicate is first to be well mixed with water and then add,
by small quantities, the flour of asbestos and again well mix in any suitable vessel.
By diluting further with water, a dressing is formed, which may be applied to the
whole of the surface by means of a brush; or, if preferred, the compound may be
varied in the nature and the proportions of the materials used, by the addition
of a small quantity of finely ground silica, which may be further incorporated
with a small quantity of alumina and sulphate of lime, or asbestos, mixed with any
of the water-glass cements--not necessarily of any fixed proportions-to be
previously treated in the furnace, and then by choice, or otherwise, to be saturated
with alum water, 100 degrees Centigrade, which will cause other allotropic con-
ditions to take place, and with a view of further meeting the varied requirements.
To produce a fine and durable coat upon a wall of porous burnt clay-bricks,
floor tiles, silica bricks, roofing tiles, or porous crumbling sand-stone and other
suitable material, special regard must be given to the dressing, the problem being,
to give a stone like solidity, taking care at the same time, to allow it to soak
uniformally into every part. After the expiration of a few hours, the whole of
the surface is to be washed over with a weak acid solution, by preference or
otherwise hydro-chloric acid, and allowed to remain in that condition, for at least
twelve hours, before any liquid is put into the tank.
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 application of a chemically prepared and improved cement, to be pre-
pared and used in cementing joints between porous bricks, glazed bricks, floor
tiles or any other material suitable for the purpose, in lining the interiors of acid
tanks, or other containers, substantially as hereinbefore described and for the
purpose specified.
2. The improved mixture in any variable and suitable proportions of silicate of
soda and asbestos, to form a cement by dilution with water, and the general method
of treatment, with particular reference to the application of hydro-chloric or other
acid solution, as a finishing wash or fixing agent, substantially as hereinbefore
described and for the purpose specified.
3. The addition of asbestos with any other suitable material and suitable pro-
portions to meet the varying conditions, for the express purpose specified,
substantially as hereinbefore described.
Dated this 15th day of May 1807
JOSEPH CASPER ROMBACH.
EDWARD STEPHEN RESTIEAUX.