Improvements in Capsules or Containers for Containing Compressed or Liquefled Gases.
Year: 1897

page_text: Improvements in Capsules or Containers for Containing Compressed
or Liquefled Gases.
I, EMILE STERNÉ, of 3bi, Rue d'Athenes, Paris, in the Republic of France,
Civil Engineer, do hereby declare the nature of this invention to be as follows:-
__
Metallic capsules containing compressed or liquefied gases and used for various
purposes have heretofore been discharged at the desired time by means of a pin
which perforates the capsule.
On the contrary according to my present invention I construct a capsule or
container capable of containing compressed or liquefied gases, that is to say,
capable of resisting very high pressures, and of automatically discharging its
contents; without the necessity of using any perforating pin or analogous instru-
ment.
It consists in forming in the neck or at a convenient point of the surface of
a capsule or container before charging the same with gas, a very small hole
which is closed by means of gum, resin, sugar, gelatine or other body susceptible
of being dissolved or transformed by contact with the medium in which the
capsule or container is placed from which it results, that at the end of a longer
or shorter time, according to local circumstances and to the physical condition
of the medium, the said hole will be freed in consequence of the destruction of
the closing mass and the contents of the capsule will be thereby automatically
discharged into the medium in which it is placed.
The closing material is placed within the capsule or container over the said
aperture when in an adhesive or semi fluid condition and is hardened by heat
or otherwise before charging the capsule or container with gas.
It will be readily understood that on account of the small dimensions of the
said hole or opening, the pressure exerted on it is comparatively small and that
in consequence, the closing mass does not require to be of great strength.
The applications of these capsules are essentially various; I will particularly
describe their application to aerated waters. It suffices, in this case, to place
a capsule of this description charged with carbonic acid, in a suitable bottle
filled with water, to obtain very rapidly and easily an aerated or gaseous water.
It will be equally well understood that these same capsules may likewise he
put to various uses in agriculture and in the manufacture of chemical products.
Dated June 28th 1897
HARRIS & MILLS,
23, Southampton Buildings, London, W.C., Agents.

page_text: Improvements in Capsules or Containers for Containing Compressed
or Liquefied Gases.
I, EMILE STERNÉ, formerly of 3bis, Rue d'Athenes, but now of 8, Rue Mogador
Prolongee, Paris, in the Republic of France, Civil Engineer, 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; —
Metallic capsules made according to my British Patent No. 24165 of the year
1893, containing compressed or liquefied gases and used for various purposes
have heretofore been discharged at the desired time by means of a pin which
perforates the capsule according to my British Patent No. 3009 of the year 1896.
On the contrary according to my present invention I construct a capsule or
container made in 1 or 2 pieces capable of containing compressed or liquefied
gases, that is to say, capable of resisting very high pressures and of automatically
discharging its contents without the necessity of using any perforating pin or
valves.
It consists in forming in the neck or at a convenient point of the surface of a
capsule or container before charging the same with gas, a very small hole which
is closed by means of gum, resin, sugar, gelatine or other body susceptible of
being dissolved, transformed or softened by contact with the medium in which
the capsule or container is placed from which it results, that at the end of a
longer or shorter time, according to local circumstances and to the physical
condition of the medium, the said hole will be freed in consequence of the
destruction of the closing mass and the contents of the capsule will be thereby
automatically discharged into the medium in which it is placed!
The closing material is placed within the capsule or container over the said
aperture when in an adhesive or semi-fluid or soft condition and is hardened by
heat or otherwise before charging the capsule or container with gas. Or a
compressible, soluble or decomposable or softening body may be placed within
the inlet aperture of the container or within any perforated closing means
thereof.
It will be readily understood that on account of the small dimensions of the
said hole or opening, the pressure exerted on it is comparatively small and that
in consequence the closing mass does not require to be of great strength.
In the accompanying drawings 1. have represented, by way of examples,
various methods of carrying my invention into effect:-
Figures 1 and 2 are sections of a metallic capsule or container made of two
pieces and provided with my improvements, Fig. 1 showing it ready for charging
and Fig. 2 showing it charged and closed. This capsule has the form of a
cylinder a having a seat a in the neck thereof. Within the neck upon the
seat I place a centrally perforated loosely fitting washer 6 on which is placed
a mass or disc of soluble or decomposable and compressible material d and on
this latter is placed a loosely fitting centrally perforated washer c.
The capsule charging aperture may be entirely around these washers or discs
as shown at Fig. 1 or it may be at one side thereof.
After charging the capsule the sides of the neck are as shown at Fig. 2 com-
pressed against the washers or discs bed and the upper edge turned over so as
to press the said washers firmly down and thereby compress the mass or disc d
of soluble or decomposable material between the washers b c.
Figures 3 and 4 are sectional views of a metallic capsule or container the body a
of which is of oval form. The neck is provided with a seat a' as in the previous

page_text: figures and within the neck is placed a loosely fitting cap e having a hole e' in
the centre which hole el is closed by a soluble or decomposable body and
around the rising part of said cap is placed a packing ring 9 which also loosely
fits the neck. The capsule Fig. 3 is charged through the space between the
neck and the closing device and the neck compressed against the latter and
turned over on to the packing ring g so as to compress the latter tightly against
and around the cap e as shown at Fig. 4.
Fig. 5 is a section of a capsule or container of oval form and having at its
lower end a small hole a, closed by a mass of soluble or decomposable material f.
The neck has a seat a on which is placed a loosely fitting washer hand pack-
ing piece The capsule is charged as in the above examples through the space
between the neck and the closing means and the charging orifice is closed by
compressing the material of the neck around and over the packing i as shown.
Fig. 6 shows a capsule having an oval body a and a seat a¹in the neck. On said
sent al is placed a centrally perforated disc of rubber or other suitable material on
which is placed a metal washer & having a central perforation and a perfora-
tion out of the centre thereof. The central perforation ¹ is filled and closed
by a mass of soluble or decomposable material, the edges of the neck are com-
pressed and turned over thereby securing the disc j and washer & hermetically
in position.
The capsule is then charged with gas, which passes through the perforation ³,
depresses the disc j and then passes through the perforation in said disc into
the capsule. When the capsule is charged the internal pressure presses the washer
or disc against the metal washer and thereby closes the inlet orifices and
consequently the capsules.
If for any reason it should be considered advisable to protect the soluble or
decomposable body referred to with reference to the examples shown at Figures 1,
2, 3, 4 and 6 an outer cap as shown at Fig. 7 may be used in combination with
the closing devices of the charging apertures, such cap having a perforation
out of the centre thereof when applied to the examples shown at Figures 1 to 4
and out of line with the holes 1, in the example shown at Fig. 6.
It will be readily understood that the orifice closed with soluble or decompos-
able material can be arranged at any desired place on the surface of the capsule.
I would also remark that the various methods herein shown and described of
closing the charging orifices of gas containing capsules are only given as examples
and form no part of my present invention and that my invention is equally
applicable to gas containing capsules having other forms and arrangements of
charging and closing apertures and means.
The application of these capsules provided according to my invention with an
aperture closed with a soluble or decomposable substance are essentially various,
I will particularly describe their application to aerating water or other liquid.
It suffices in this case to place a capsule of this description charged with gas
in a suitable bottle filled with water or other liquid, to obtain very rapidly and
easily an aerated or gaseous water or other liquid.
It will be equally well understood that these same capsules may likewise be
put to various uses in agriculture and in the manufacture of chemical and other
products and may be used for other purposes.
Having now particularly described and ascertained 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 capsule or container for containing compressed or liquefied gases having
a small hole in the body or closing means thereof which before charging the
same with gas is closed by means of any suitable soluble or decomposable body
capable of being dissolved or transformed by contact with the medium in which.
the capsule or container is placed, thereby automatically discharging the contents
thereof, substantially as herein described,

page_text: 2. A capsule or, container for containing compressed or liquefied gases having
any suitable soluble or decomposable and compressible body placed within the
filling orifice which after charging. is compressed and closes the capsules and
which body is capable of being dissolved or transformed by contact with the
medium in which the capsule or container is placed thereby automatically dis-
charging the contents thereof substantially as herein described.
11 11:00. The of Manab 1808,
HARRIS & MILLS,
23, Southampton Buildings, London, W.C., Agents.