An Improved Disinfecting Apparatus.
Year: 1894

page_text: Date of Application, 28th May, 1894-Accepted, 14th July, 1894
An Improved Disinfecting Apparatus.
We, Mrs. HILDA KAROLINA ANDERSSON and DAVID SJÖSTRÖM, Lawyer,
both of Vesterlanggatan 9, Stockholm, in the Kingdom of Sweden, 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 a simple apparatus for the disinfection of furniture,
clothes, rooms and the like.
In the accompanying drawing,
Figure 1 shows one form of the apparatus in vertical section.
Figure 2 is a vertical section of another construction of the apparatus, and
Figure 3 is an horizontal section of the same.
The apparatus illustrated in Figure 1 consists of a receptacle a, preferably of
sheet-metal fitted on the outside with a short pipe b, to which is attached a piece
of hose e provided with a nozzle. The receptacle has two openings d and h, which
may be tightly closed. Through the opening d another receptacle e is inserted,
reaching nearly to the bottom of the external vessel a.
When the apparatus is to be used, a liquid preferably water is poured in
through the opening h, which is afterwards closed whereupon a plunger gis
heated to a red heat and inserted in the receptacle e, causing the water in the
apparatus to be heated. The operation is repeated until the water becomes so
hot, that it commences to escape in the shape of steam through the pipe b; the
hot plunger g is now allowed to remain in the receptacle e, and the opening d
is closed. The steam discharging from the pipe 6 can from this moment be
conducted through the hose c to the point where the disinfection is to take place.
The apparatus shown in Figures 2 and 3 is arranged in about the same manner,
with the difference that the inner receptacle e is provided with a spout or nozzle f,
which enters the short pipe b. The plunger g is of such a shape at the circum-
ference, that it does not entirely fill the receptacle e; it may be made of oval,
prismatic, rifled or other shape. The water in this case is heated as before; when
it begins to pass away as steam through the pipe b, a disinfectant is deposited at
the bottom of the receptacle e, the plunger being afterwards inserted and the
opening d closed. A combustion of the disinfectant now takes place, and the smoke,
passing along the circumference of the plunger, escapes through the nozzle f, an
intimate mixture being thus effected with the steam discharging through the
pipe b; the steam at the same time sucks along the vapours from the inner
receptacle e to the place of disinfection.
The advantage of this arrangement lies in the fact, that the disinfectant becomes
thoroughly mingled with the steam, which will not be the case, when the disinfectant
is placed directly in the water to be heated, for, in such cases it happens that the
disinfectant does not evaporate at all, but remains in the vessel while the water
escapes.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is :-
1. A disinfecting apparatus, consisting of an outer receptacle (a), provided with
1° 1

page_text: heated is inserted into the inner receptacle, causing the liquid in the outer receptacle
to evaporate and escape through the discharge pipe (b).
2. A disinfecting apparatus, consisting of an outer receptacle (a), provided with
a discharge-pipe (b), an inner receptacle (e), surrounded by the former and fitted
with a nozzle (f) entering the discharge-pipe (6), and a plunger (g) of such a
section, that it will not completely fill the inner receptacle.
Dated this 28th day of May 1894.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicants.