Year: 1899

page_text: Date of Application, 24th Nov., 1899
Complete Specification Left, 20th Aug., 1900-Accepted, 22nd Sept.,
1900
We, JOSEPH Ross, Engineer, and WILLIAM DOUGLAS CAIRNEY, Chartered
Accountant, both of 45 Renfield Street, in the County of the City of Glasgow, North
Britain, do hereby declare the nature of this invention to be as follows:-
This invention has for its object to provide a safe, cheap, and efficient explosive,
and one also which will leave no noxious gas after explosion, thereby enabling
miners to enter the mine immediately after blasting instead of, as in some
cases several hours after.
In carrying out our invention, we take chlorate of potash of the proportion
of about $7%, which we pass through a sieve or such like in order to granulate
We then take about 7% of
it. This we well mix with about 3% of charcoal.
paraffin or other suitable wax, which we preferably cut up into slices and mix
it up with the mixture of chlorate of potash and charcoal until the wax becomes
perfectly black. This may be done on a board or dry floor, or in any other
convenient place.
This mixture is then put into a suitable vessel, such for instance as a jacketted
chamber, which is heated by steam or otherwise and is allowed to remain there
until all the wax is melted and the whole mixture is formed into a moist state,
somewhat like wet sand. The object of this is to allow the wax to cover the
particles of chlorate of potash, but we have found from experience that the wax
does not effectually accomplish this, that there are certain parts not covered,
and little crevises in the compound not filled up, thereby not altogether making
the explosive safe. We therefore take vaseline in the proportion of about 3%
and bring it to a liquid state. This we pour over the whole mixture and stir
well together, which completely fills up these crevises and forms a perfect coating
over the substance where the wax has failed to do so.
As a modification of our invention, in place of the ingredients and proportions
as described, we may have
750
We, JOSEPH Ross, Engineer, and WILLIAM DOUGLAS CAIRNEY, Chartered
Accountant, both of 45 Renfield Street, in the County of the City of Glasgow, North
Britain, do hereby declare the nature of this invention to be as follows:-
This invention has for its object to provide a safe, cheap, and efficient explosive,
and one also which will leave no noxious gas after explosion, thereby enabling
miners to enter the mine immediately after blasting instead of, as in some
cases several hours after.
In carrying out our invention, we take chlorate of potash of the proportion
of about $7%, which we pass through a sieve or such like in order to granulate
it. This we well mix with about 3% of charcoal. We then take about 7% of
paraffin or other suitable wax, which we preferably cut up into slices and mix
it up with the mixture of chlorate of potash and charcoal until the wax becomes
perfectly black. This may be done on a board or dry floor, or in any other
convenient place.
This mixture is then put into a suitable vessel, such for instance as a jacketted
chamber, which is heated by steam or otherwise and is allowed to remain there
until all the wax is melted and the whole mixture is formed into a moist state,
somewhat like wet sand. The object of this is to allow the wax to cover the
particles of chlorate of potash, but we have found from experience that the wax
does not effectually accomplish this, that there are certain parts not covered,
and little crevises in the compound not filled up, thereby not altogether making
the explosive safe. We therefore take vaseline in the proportion of about 3%
and bring it to a liquid state. This we pour over the whole mixture and stir
well together, which completely fills up these crevises and forms a perfect coating
over the substance where the wax has failed to do so.
As a modification of our invention, in place of the ingredients and proportions
as described, we may have
Chlorate of potash
Charcoal
Black oxide of manganese
Paraffin or other wax
Vaseline
ཏང་།
6%
6%
9%
4%
These are treated in a similar manner to that already described, the black
oxide of manganese being mixed with the chlorate of potash at the same time
as the charcoal.
When the cartridges are to be used for mining purposes the substance or
mixture is placed into moulds or compressed.
If to be used in a granulated form the mixture or substance is allowed to cool
and rubbed into powder.
Of course it is to be understood that although we have mentioned certain pro-

page_text: portions of the different substances, these might be slightly varied without deviat-
ing from our invention.
Dated this 23rd day of November 1800
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow,
Applicants' Patent Agents.
Improvements.In Explosives.
We, JOSEPH Ross, Engineer, and WILLIAM DOUGLAS CAIRNEY, Chartered
Accountant, both of 45, Renfield Street, in the County of the City of Glasgow,
North Britain, do hereby declare the nature or this invention and in what manner
the same is to be performed to be particularly described and ascertained in and
by the following statement:
-
This invention has for its object to provide a safe, cheap and efficient explosive,
and one also which will leave no noxious gas after explosion, thereby enabling
miners to enter the mine immediately after blasting instead of, as in some
cases several hours after.
convenient place.
In carrying out our invention, we take chlorate of potash of the proportion
of about 87% which we pass through a sieve or such like, in order to granulate
it. This we well mix with about 3% of charcoal. We then take about 7% of
paraffin or other suitable wax, which we preferably cut up into slices and mix
it up with the mixture of chlorate of potash and charcoal until the wax becomes
perfectly black. This may be done on a board or dry floor, or in any other
This mixture is then put into a suitable vessel, such for instance as a jacketted
chamber, which is heated by steam or otherwise and is allowed to remain there
until all the wax is melted and the whole mixture is formed into a moist state,
somewhat like wet sand. The object of this is to allow the wax to cover the
particles of chlorate of potash, but we have found from experience that the wax
does not effectually accomplish this, that there are certain parts not covered,
and little crevises in the compound not filled up, thereby not altogether making
the explosive safe. We therefore take vaseline in the proportion of about 3%
and bring it to a liquid state. This we pour over the whole mixture and stir
well together, which completely fills up these crevises and forms a perfect 'coating
over the substance where the wax has failed to do so.
As a modification of our invention, in place of the ingredients and proportions
as described, we may have
Chlorate of potash
Charcoal
Black oxide of manganese
Paraffin or other wax -
Vaseline
75%
6%
6%
9%
4%
These are treated in a similar manner to that already described, the black
oxide of manganese being mixed with the chlorate of potash at the same time
as the charcoal.
When the cartridges are to be used for mining purposes the substance or
mixture is placed into moulds or compressed.
If to be used in a granulated form the mixture or substance is allowed to cool
and rubbed into powder.

page_text: Of course it is to be understood that although we have mentioned certain pro-
portions of the different substances, these might be slightly varied without deviat-
ing from our invention.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that what
we claim is:
1. The method of producing an explosive which consists in taking a proportion
of chlorate of potash, passing the same through a sieve in order to granulate
it, mixing the granulated chlorate of potash with a proportion of charcoal, taking
a proportion of wax and mixing it with the mixture of chlorate of potash and
charcoal until the wax becomes perfectly black, placing the whole in a vessel,
heating the vessel with its contents until the contents become moist with the
melted wax, taking a proportion of vaseline, and bringing it to a liquid state,
pouring the liquid vaseline over the mixture, and thoroughly stirring the whole
mixture together for filling the crevises in the substance to which the paraffin
is inaccessible, and providing a coating on the substance which the paraffin has
failed to coat.
2. An explosive consisting of a mixture in about the following proportion of
ingredients:-
Chlorate of potash
Charcoal
Wax
Vaseline
87%
3%
7%
3 %
3. The method of producing an explosive which consists in taking a proportion
of chlorate of potash, passing the same through a sieve in order to granulate
it, mixing the granulated chlorate of potash with a proportion of charcoal and
black oxide of manganese, taking a proportion of wax and mixing it with the
mixture of chlorate of potash, charcoal and black oxide of manganese until, the
wax becomes perfectly black, placing the whole in a vessel, heating the vessel
with its contents until the contents become moist with the melted wax, taking
a pronortion of vaseline, and bringing it to a liquid state, pouring the liquid
vaseline over the mixture and thoroughly stirring the whole mixture together
for filling the crevises in the substance to which the paraffin is inaccessible, and
providing a coating on the substance which the paraffin has failed to coat.
4. An explosive consisting of a mixture in about the following proportion of
ingredients:-
-
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow,
Applicants' Patent Agents.