Improvements in Water Closets.
Year: 1898

page_text: Date of Application, 14th Feb., 1898-Accepted, 19th Mar., 1898
COMPLETE SPECIFICATION.
Improvements in Water Closets.
I, HANS FRANZ PASSAVANT, of Basle, in the Republic of Switzerland, Manufacturer,
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:
This invention relates to improvements in water closets and comprises a device
consisting of a hollow body which becomes filled with water on the closet pan
being flushed and the contents of which can afterwards slowly flow into the concavity
of the closet pan and collect there, so that there is always water in the pan when the
closet is used, which water prevents anything from adhering to the pan and keeps
the latter clean.
To enable the invention to be fully understood I will describe it by reference
to the accompanying drawing in which:-
Figure 1 is a vertical section of one form of my device.
Figure 2 is a sectional elevation drawn to a smaller scale, of a water closet
having the improvements applied thereto.
a is the hollow body, which is here shewn of a spherical or ball shape and
which is fitted upon and soldered to the flush pipe of the closet. The pipe r
is provided with two holes or openings within the hollow body a; o¹ the larger
of the two is at the upper part and of the smaller at the lower part and both
are formed when the inner part of the sphere is secured in place. The lower
edge of the upper opening of projects inwardly in the pipe r so as to form a short
tonguez having an upward inclination.
The device, which is arranged between the cistern A and the closet pan, operates
as follows:
During the flushing of the pan a portion of the water from the cistern passes
through the
upper opening o' in the sphere a which is thereby quickly filled, the
flow being assisted by the tongue z which deflects the water into the sphere. The
body a, thus filled with water, slowly begins to empty itself, after the cistern A has
discharged its contents, through the lower smaller opening o2 so that the whole
contents of the ball a collect in the concavity of the closet pan and remain there
until the latter is again flushed.
The device can be applied to new as well as to old closets without necessitating
any alterations in the construction thereof.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
A device which can be applied both to old and new water closets without
necessitating any alteration in the construction thereof and which consists of a
hollow body or ball a fitted on the flush piper of the closet, which pipe is in
communication with the interior of the ball a by an upper larger hole o' and a lower
smaller hole o2 so as to provide a water chamber which is quickly filled with water

page_text: through the medium of a tongue in the pipe when the closet pan is flushed,
and the contents of which afterwards slowly escape through the opening o² in the
piper into the closet pan, substantially as described and illustrated in the
accompanying drawing.
Dated this 14th day of February 1898.
G. F. REDFERN & Co.,
Agents for the Applicant, 4, South Street, Finsbury, E.C.