Improvements in Firebricks, Crucibles, and other Articles of the like kind subject to High Temperatures.
Year: 1893

page_text: Date of Application, 2nd Mar., 1893
Complete Specification Left. 2nd Dec., 1893-Accepted, 27th Jan., 1894
TRUVIDIONAL DI ECIFICATION.
Improvements in Firebricks, Crucibles, and other Articles of the
like kind subject to High Temperatures.
I, BENOIT BARLERIN, of 36, Rue de France, Neufchateau, Vosges, in the
Republic of France, Officer, do hereby declare the nature of this invention to be
as follows:-
My invention relates to a new or improved composition of materials to be used in
the manufacture of fire-bricks, crucibles, and other articles of the like kind subject
to high temperatures.
The different materials which I use in combination with lime for this purpose, are
the following:
-
4. Plumbago.
5. Refractory carths, burned and ground or in their natural state.
The improved composition will always include lime, together with one or more of
the materials above enumerated.
The proportions of the lime and of the other different materials used may be
varied more or less according to the degree of temperature to which the fire-bricks
or other articles are to be subjected.
The different materials mentioned may be mixed with either quicklime or slaked
COMPLETE SPECIFICATION.
Improvements in Firebricks, Crucibles, and other Articles of the
like kind subject to High Temperatures.
I, BENOIT BARLERIN, of 36, Rue de France, Neufchateau, Vosges, in the
Republic of France, Officer, do hereby declare the nature of this invention and in
what manner the same is to be performed to be particularly described and ascer-
tained in and by the following statement that is to say :-
My invention relates to a new or improved composition of materials to be used in
the manufacture of fire-bricks crucibles, and other articles of the like kind subject
to high temperatures.
The different materials which I use in combination with lime for this purpose, are

page_text: The proportions of the lime and of the other different materials used may be
varied more or less according to the degree of temperature to which the fire-bricks
or other articles are to be subjected.
The following are formula which I have found give good results :-
First For fire-bricks and articles of the like kind. —
:
-
3. Quicklime
Quartz, coarsely pulverized
Refractory earth, burned and pounded
-
50 to 75
وو
20 to 10.
"
10 to 5
"
(This may be replaced by pounded fragments of the manufactured articles.)
Refractory clay earth
Second
:
Crucibles.
20 to 10 per cent.
The same compositions as those given above for bricks, and in addition the two
following compositions :-
1. Quicklime
-
Refractory brick earth
Refractory clay earth
50 to 25 per cent.
20 to 10
"
10 to 5
"
Plumbago or retort carbon
10
"
2. Quicklime
50 to 75
"
Refractory brick earth
15 to 5
"
Refractory clay earth
10 to 5
"
Refractory earth, burned and pounded
Plumbago or retort carbon
15 to '5
"
10 "
In all compositions in which quartz forms a part, it may be replaced by the same
proportions of washed quartz sand, silex, or washed silicious sand.
The different materials mentioned may be mixed either with quicklime or slaked
lime.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:-
The improved composition, consisting of lime and one or more of the materials
enumerated, combined, substantially as and for the purposes described.
Dated this 2nd day of December 1893.
EDWARDS & Co.,
35, Southampton Buildings, London, Agents for the Applicant.