AN IMPROVED COMPO- SITION TO BE EMPLOYED IN WELDING OR SOLDERING IRON UPON IRON, STEEL UPON STEEL, AND IRON UPON STEEL
Year: 1867

page_text: LETTERS PATENT to Bernard Lietar, of 4, Rue du Houblon, Brussels, in
the Kingdom of Belgium, and of the Royal Hotel, Blackfriars, in the
City of London, Mechanic, for the Invention of "AN IMPROVED COMPO-
SITION TO BE EMPLOYED IN WELDING OR SOLDERING IRON UPON IRON, STEEL
UPON STEEL, AND IRON UPON STEEL."
Sealed the 29th March 1867, and dated the 18th January 1867.
PROVISIONAL SPECIFICATION left by the said Bernard Lietar at the
Office of the Commissioners of Patents, with his Petition, on the 18th
January 1867.
I, BERNARD LIETAR, of 4, Rue du Houblon, Brussels, in the Kingdom of
Belgium, and of the Royal Hotel, Blackfriars, in the City of London,
Mechanic, do hereby declare the nature of the said Invention for "AN
IMPROVED COMPOSITION TO BE EMPLOYED IN WELDING OR SOLDERING IRON UPON IRON,
STEEL UPON STEEL, AND IRON UPON STEEL," to be as follows:-
This composition consists of 1000 parts of filings of iron or steel, according
to whether the composition is intended to weld or solder iron or steel;
600 parts of borate of soda (borax);
50
100
"
"
balsam of copaiba or a resinous oil; and,
ammoniacal salt (hydrochlorate, carbonate, or other);
I make a mixture of the whole, then calcine it and reduce it to powder.
To make use of the powder thus obtained I proceed as follows:-Suppose
two pieces of iron or two pieces of steel, or even a piece of iron and a piece of

page_text: steel should be required to be soldered or welded one to the other, I place the
composition between the 2 pieces at the place to be united; I put the wholo
in the fire until the pieces have attained a temperature which permits the
powder to become fused, which happens when the pieces have attained a
cherry-red temperature; I now withdraw and weld them as in the usual way.
If the dimension of the pieces or any other obstacle hinders their being put
in the fire together I can operate as follows;-I heat first one of the pieces to
a cherry-red temperature at the place where the soldering or welding is to be
made; I then place the composition and apply the second piece, heated this
time to white; I then weld the whole. This method is particularly applicable
to the repair of large pieces.
I do not limit myself to the proportions herein-before given of the ingre-
dients forming my composition or to the methods of using it.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Bernard Lietar in the Great Seat Patent Office on the
21st June 1867.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, BERNARD
LIETAR, of 4, Rue du Houblon, Brussels, in the Kingdom of Belgium, and of
the Royal Hotel, Blackfriars, in the City of London, Mechanic, send
greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Eighteenth day of January, in the year of our Lord
One thousand eight hundred and sixty-seven, in the thirtieth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Bernard Lietar, Her special licence that I, the said Bernard Lietar, my
executors, administrators, and assigns, or such others as I, the said Bernard
Lietar, 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 "AN IMPROVED COMPOSITION TO BE
EMPLOYED IN WELDING OR SOLDERING IRON UPON IRON, STEEL UPON STEEL, AND
IRON UPON STEEL," upon the condition (amongst others) that I, the said
Bernard Lietar, 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

page_text: 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 Bernard Lietar, do hereby declare the
nature of my 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 thereof, that is to say:-
This composition consists of 1000 parts of filings of iron or steel, according
to whether the composition is intended to weld or solder iron or steel;
500 parts of borate of soda (borax);
50
75
"
"
33
balsam of copaiba or a resinous oil; and,
of ammoniacal salt (hydrochlorate, carbonate, or other);
I make a mixture of the whole, then calcine it and reduce it to powder.
To make use of the powder thus obtained I proceed as follows:-Suppose
2 pieces of iron or two pieces of steel, or even a piece of iron and a piece of
steel should be required to be soldered or welded one to the other I place the
composition between the two pieces at the place to be united, put the whole
in the fire until the pieces have attained a temperature which permits the
powder to become fused, which happens when the pieces have attained a
cherry-red temperature; I now withdraw and weld them as in the usual way.
If the dimensions of the pieces or any other obstacle hinders their being put
in the fire together I can operate as follows:-1 heat first one of the pieces to
a cherry-red temperature at the place where the soldering or welding is to be
made; I then place the composition and apply the second piece heated, this
time to white; I then weld the whole. This method is particularly applicable
to the repair of large pieces.
I do not limit myself to the proportions herein-before given of the ingredients
forming my composition or to the method of using it.
In witness whereof, I, the said Bernard Lietar, have hereunto set my
hand and seal, this Tenth day of June, One thousand eight hundred
and sixty-seven.
BERNARD LIETAR. (L.S.)