Apparatus for Supplying Water Cisterns with Disinfectants.P WATER CISTERNS WITH DISINFECTANTS
Year: 1884

page_text: Apparatus for Supplying Water Cisterns with Disinfectants.
We, JOHN CALDER SPOONER, and PERCIVAL SOTHERN SPOONER, both of
Hanworth Road Hounslow in the County of Middlesex, Plumbers and Sanitary
Engineers, do hereby declare the nature of our invention for "APPARATUS FOR
SUPPLYING WATER CISTERNS WITH DISINFECTANTS to be as follows:-
"
Our invention relates to apparatus applicable in water cisterns, particularly such
as are of the kind of siphon tanks, for the purpose of supplying to the water a
small dose of disinfectant every time the contents of the cistern are withdrawn.
For this purpose, we provide a vessel, preferably of cylindrical form, which can
stand vertically in the cistern or tank. This vessel is made with a cover that can
be opened for charging with disinfectant material, and can be tightly secured
against leakage by a screw and packing or otherwise.
Within the vessel at such height from the bottom as to be a little under the usual
level of water in the cistern when it is filled, we fix a finely perforated diaphragm
of metal or wire gauze or of both superposed, and on this we place the charge of
disinfectant material. From under this diaphragm a small pipe extends up above
the water level to permit escape of air from the vessel, and also from under the
diaphragm a small lateral pipe opens out to the cistern. Or instead of this lateral
pipe, a siphon pipe may extend from a corresponding level down to a lateral
opening near the bottom of the vessel. The action of this apparatus is as follows.
When the cistern is filled, water, entering by the lateral or siphon pipe, rises to a
level a little above the diaphragm and mingles with the lowest layer of disinfectant.
When the water is discharged from the cistern, a little of the water charged with
disinfectant flows out of the vessel and mingles with the water in the cistern.
ABEL & IMRAY,
Agents for the Applicants,
28, Southampton Buildings,
London, W.C.

page_text: Apparatus for Supplying Water Cisterns with Disinfectants.
We, JOHN CALDER SPOONER, and PERCIVAL SOTHERN SPOONER, both of
Hanworth Road Hounslow in the County of Middlesex, Plumbers and Sanitary
Engineers do hereby declare the nature of our invention for "APPARATUS FOR
SUPPLYING WATER CISTERNS WITH DISINFECTANTS" and in what manner the same
is to be performed to be particularly described and ascertained in and by the
following statement:―
Our invention relates to apparatus applicable in water cisterns, particularly such
as are of the kind of siphon tanks, for the purpose of supplying to the water a
small dose of disinfectant every time the contents of the cistern are withdrawn.
For this purpose, we provide a vessel, preferably of cylindrical form, which can
stand vertically in the cistern or tank. This vessel is made with a cover that can
be opened for charging with disinfectant material, and can be tightly secured
against leakage by a screw and packing or otherwise.
Within the vessel at such height from the bottom as to be a little under the usual
level of water in the cistern when it is filled, we fix a finely perforated diaphragm
of metal or wire gauze or of both superposed, and on this we place the charge of
disinfectant material. From under this diaphragm a small pipe extends up above
the water level to permit escape of air from the vessel, and also from under the
diaphragm a small lateral pipe opens out to the cylinders. Or instead of this lateral
pipe, a siphon pipe may extend from a corresponding level down to a lateral opening
near the bottom of the vessel. The action of this apparatus is as follows. When
the cistern is filled, water entering by the lateral or siphon pipe, rises to a level a
little above the diaphragm and mingles with the lowest layer of disinfectant.
When the water is discharged from the cistern a little of the water charged with
disinfectant flows out of the vessel and mingles with the water in the cistern.
The accompanying drawing shews a vertical section of the before described
apparatus. A is a cylindrical vessel, having a finely perforated diaphragm B, at
such a height as to be slightly below the highest water level C of the cistern or
tank D in which it is placed. From beneath the diaphragm a small pipe E extends
upwards to any desired height for the escape of air from the vessel, and from the
bottom a second small pipe F rises to a certain distance below the diaphragm,
where it may be bent into siphon form as indicated in dotted lines; the lower end
of this pipe opens laterally into the cistern. The top of the vessel is closed by a
conical cap G, which may be screwed on or otherwise secured in a watertight
manner. In using the apparatus, the cap is first taken off and is filled with the
solid disinfectant, and is then secured on the vessel so that the disinfectant rests on
the perforated diaphragm which may if necessary have a layer of fine wire gauze
upon it or the disinfectant may be filled in through the screw plug H without
removing the cap. The vessel being then placed in the cistern (or it may be
permanently fixed therein) and the water rising in the latter to the level C, the
vessel will become filled with water to the same level, so that it penetrates through
the diaphragm and comes in contact to a certain extent with the disinfectant. On
the water being discharged from the cistern, a certain quantity of the liquid in the

page_text: vessel, which has dissolved some of the disinfectant, will flow out through the
pipe F into the cistern until it sinks to the level of the upper end of the pipe, when
the discharge will be stopped. On the cistern again filling with water, the vessel
will also become filled again and the above described action will thus be repeated
at each discharge of the cistern.
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
The use for supplying water cisterns with disinfectants of a closed vessel having
at its upper end a chamber which is charged with solid disinfecting material and
the bottom of which is finely perforated or made of wire gauze so as to communicate
with the lower part of the vessel, the latter being provided firstly, with a pipe
through which water can pass in and out and secondly with a pipe for the escape
of air, substantially as herein described.
ABEL & IMRAY,
Agents for the Applicants,
28, Southampton Buildings,
London, W.C.