Improvements in Sulphur Candles or Fumigators.
Year: 1894

page_text: Date of Application, 29th May, 1894
Complete Specification Left, 27th Feb., 1895-4ccepted, 6th Apr., 1895
PROVISIONAL SPECIFICATION.
Improvements in Sulphur Candles or Fumigators.
I, CHARLES THOMAS KINGZETT, F.I.C., F.C.S., of Elmstead Knoll,
Chislehurst, in the County of Kent, do hereby declare the nature of this invention
to be as follows:-
In burning sulphur for fumigating and disinfecting purposes it has been usual in
the past to employ containers made of iron or sheet tin but I have ascertained by
experiment that metallic foil may be employed and that by its use certain
advantages are secured. Tin foil may be used or an alloy of tin and lead or even
ordinary lead or it might be other foil. Among the advantages attending the use
of foil I may enumerate cheapness of cost as compared with ordinary metal
containers, simplicity of construction, lightness of weight and the readier manner
in which the articles may be packed together.
In using metallic foil for this purpose it may be first of all folded into the
desired shape by means of a block and then filled with the molten sulphur which
upon cooling constitutes the sulphur candle or fumigator, or the latter may be first
of all cast into the desired shape or form by means of a suitable mould and
subsequently be encased in the foil container.
The metallic foil container may be made also to serve the purpose of securing
the lighter in its required position. In the Specification of a former application
for Patent No. 14903 of the year 1893, I described means for effecting the lighting
of a sulphur candle or fumigator consisting in the employment of a lighter held in
juxtaposition to the upper surface of the candle such lighter being composed of
light fabric or material having upon it or upon a part of it a thin coating of
sulphur.
According to my present invention I effect this in a ready and simple manner
by placing radially on to the upper surface of the sulphur candle one two or more
strips of similarly prepared material extending somewhat beyond the circumference
of the candle and securing the outer ends of the strips by bending over them the edge
of the foil container which holds the sulphur candle or fumigator, so that in this way
the edge of the foil forms a narrow rim extending over the top of the outer portion
of the said candle. Or instead of using strips of the prepared lighting material I
employ a circular sheet with or without a hole in the centre, securing the outside or
circumferential edge of the sheet against the corresponding portion of the sulphur
candle by turning down over it what would otherwise be the projecting part of the
metal foil container-that is to say the portion of the foil container which projects
above the level of the sulphur candle when the container is not filled right up to its
edge with sulphur.
I find by experiment also that the container of metal foil need not be continuous
round the upper lateral sides of the sulphur candle but serves equally well when it
is perforated or serrated in such manner that while the parts which are folded over
may be used as above described to secure the lighting material in position the level
of the sulphur candle projects above the metal foil in alternate spaces.
Although I have herein described several forms of lighters which
usefully employed in connection with this invention I do not restrict myself to
liem only.
may be
It is obvious that any sulphur candle or fumigator prepared as herein described
may be placed in water up to near its top edge or upper surface so that while

page_text: burning, the heat which is given off, is conducted by the foil container and may
thus be utilised to cause the evaporation of the surrounding water at the same time
that the sulphurous gas is evolved by the burning candle.
Those parts of my invention which relate to the employment of containers with
serrated or perforated edges are also, obviously applicable to metallic containers
other than those made of foil.
Dated this 90th dow of May 1804
Improvements in Sulphur Candles or Fumigators.
I, CHARLES THOMAS KINGZETT, F.I.C., F.C.S., of Elmstead Knoll,
Chislehurst, in the County of Kent, 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 :-
In burning sulphur for fumigating and disinfecting purposes it has been usual in
the past to employ containers made of iron or sheet tin but I have ascertained by
experiment that metallic foil may be employed and that by its use certain
advantages are secured. Tin foil may be used or an alloy of tin and lead or even
ordinary, lead or it might be other foil. Among the advantages attending the use
of foil I may enumerate cheapness of cost as compared with ordinary metal
containers, simplicity of construction, lightness of weight and the readier'manner
in which the articles may be packed together.
In using metallic foil for this purpose it may be first of all folded into the
desired shape by means of a block and then filled with the molten sulphur which
upon cooling constitutes the body of the sulphur candle or fumigator, or the latter
may be first of all cast into the desired shape or formn by means of a suitable mould
and subsequently be encased in the foil container.
The metallic foil container may be made also to serve the purpose of securing
the lighter in its required position. In the Specification of a former application
for Patent No. 14903 of the year 1893, I described means for effecting the lighting
of a sulphur candle or fumigator consisting in the employment of a lighter held in
juxtaposition to the upper surface of the candle such lighter being composed of
light fabric or material having upon it or upon a part of it a thin coating of
sulphur.
According to my present invention I effect this in a ready and simple manner
by placing radially on to the upper surface of the sulphur candle one two or more
strips of similarly prepared materiál extending somewhat beyond the circumference
of the candle and securing the outer ends of the strips by bending over them the
edge of the foil container which holds the body of the sulphur candle or fumigator,
so that in this way the edge of the foil forms a narrow rim extending over the top
of the outer and upper portion of the said candle. Or instead of using strips of
the prepared lighting material I employ a circular sheet with or without a hole in
the centre, securing the outside or circumferential edge of the sheet against the
corresponding portion of the sulphur candle by turning down over it what would
otherwise be the projecting part of the metal foil container-that is to say, the
portion of the foil container which projects above the level of the sulphur candle
when the container is not filled right up to its edge with sulphur.
I find by experiment also that the container of metal foil need not be continuous
round, the upper lateral sides of the sulphur candle but serves equally well when
it is perforated or serrated in such manner that while the parts which are folded
over may be used as above described to secure the lighting material in position
the level of the body of the sulphur candle projects above the metal foil in alternate
spaces.

page_text: Although I have herein described several forms of lighters which may be
usefully employed in connection with this invention I do not restrict myself to
them only.
It is obvious that any sulphur candle or fumigator prepared as herein described
may be placed in water up to near its top edge or upper surface, so that while.
burning the heat which is given off, is conducted by the foil container, and may
thus be utilised to cause the evaporation of the surrounding water at the same
time that the sulphurous gas is evolved by the burning candle.
This arrangement of standing the foil contained sulphur candle in water also
gives security against risk of fire.
Having now particularly described the nature of my said invention and in what
manner the same is to be performed I declare that what I claim is :-
==
1. A sulphur candle or fumigator composed of a block of sulphur having its
bottom and sides enclosed by a casing of metal foil substantially as described.
2. A sulphur candle or fumigator composed of a block of sulphur having its
bottom and sides enclosed by a casing of metal foil and having fabric or material
lightly coated with sulphur held down on to the top of the sulphur block by the
upper edges of the sides of the metal foil casing being bent down over it
substantially as described.
Dated this 7th day of February 1895.