Improvements in Cafetières, with Means for Automatically Extin- guishing the Spirit Lamp when Ebulliency is Complete.
Year: 1888

page_text: Date of Application, 25th July, 1888
Complete Specification Left, 25th Apr., 1889-Accepted, 15th June, 1889
PROVISIONAL SPECIFICATION.
Improvements in Cafetières, with Means for Automatically Extin-
guishing the Spirit Lamp when Ebulliency is Complete.
I, HENRY SAMUEL DEAN, of 160* Fleet Street, City of London, Publisher, do
hereby declare the nature of this invention to be as follows:-
This invention relates to Cafetieres or apparatus in which infusions or decoctions of
Coffee can be made by the heat of a spirit or other lamp beneath and by which the
water is caused to boil and flow up a pipe for acting upon ground Coffee arranged in
an upper vessel, the infusion flowing therefrom into a coffee pot-for withdrawal as
required.
The object of my invention is to make the water vessel separately from the other
parts of a Cafetiere and to suspend it in such a manner that it holds the lid of the
spirit lamp up, until the water boils when by ebulliency the vessel becomes lighter
until the lid is released to fall and extinguish the flame.
My invention consists in making the water vessel separate from the coffee container
and also separate from the vessel, into which the infusion flows, so that it i.e. the
water vessel may have a motion upwards due to ebulliency from said vessel up the
pipe, at the top of which is a pan containing the coffee. The upper end of the pipe
is provided with holes, through which, the water flows into the coffee container. The
water passes through the coffee and out over the top of the pan or container, a strainer
being fitted above the container so as to prevent particles of coffee passing out with
the water. The infusion flowing over the top is received thence into the infusion
receiver. The water vessel is suspended by levers centred to the side frames, said
levers having balance weights corresponding to that of the vessel when empty or
nearly so.
The lower part of the water vessel or the spirit lamp is so arranged that a lid or
hinged flap cover of the lamp is held up until the water boils and ebulliency begins,
the vessel then gets lighter and as it rises gradually allows the lid to fall, so that by
the time the last of the water boils over, the lid is freed and drops upon the flame and
extinguishes it.
D
1
1000
H. GARDNER,
166, Fleet Street, London, Agent for the said H. S. Dean.
COMPLETE SPECIFICATION.
Improvements in Cafetières, with Means for Automatically Extin-
guishing the Spirit Lamp when Ebulliency is Complete.
I HENRY SAMUEL DEAN, of 160° Fleet Street, City of London, Publisher, do
hereby declare the nature of my said invention, and in what manner the same is to
be performed to be particularly described, and ascertained, in and by the following
statement:
1
This invention relates to "Cafetieres," or apparatus in which infusions or decoc-
tions of Coffee can be made by the heat of a spirit or other lamp beneath, and by
which the water is caused to boil, and flow up a pipe for acting upon ground coffee
arranged in an upper vessel; the infusion flowing therefrom into a coffee pot for
withdrawal as required.
The object of my invention is to make the water vessel separately from the other

page_text: parts of a Cafetiere, and to suspend it in such a manner, that it holds the lid of the
spirit lamp up until the water boils; when by ebulliency the vessel becomes lighter
until the lid is released to fall, and extinguish the flame.
My invention will be understood by the annexed drawing, in which I show the
vessels in section, and consists in making the water vessel, A, separate from the coffee
container B, and also separate from the vessel C, into which the infusion flows; so
that it i.e., the water vessel, A, may have a motion upwards, due to ebulliency while
the water is passing up the centro pipe, D, at the top of which is the pan, B, con-
taining the coffee. The upper end of the pipe D is provided with holes through
which the water flows into a chamber E between the bottom F of the coffee con-
tainer, B, and a perforated plate G, with which said vessel B is provided; so that the
water percolates upwards through the ground coffee and out over the top of the pan
or container. A strainer H is fitted above the container to prevent particles of coffee
passing out with the water. The infusion flows over the top into the infusion
receiver C.
The water vessel A is suspended by cords I, I, which pass over pulleys J. J. and
have weights K at their ends which counter balance the weight of the water
vessel A when empty, but which weights are drawn up when the vessel A is
charged.
stud L against which
be held up, until the
gets lighter and rises
passed up the pipe D
The lower part of the water vessel A is provided with a
the lid, or hinged flap cover, M, of the lamp can rest, or
water boils and passes up the pipe D the vessel A then
gradually so that by the time the last portion of the water has
the lid M is freed from the stud L whereupon it drops upon the flame and
extinguishes it.
The spirit lamp, N, which I show in position on the frame, P, may be of any
capacity to suit the required number of times which infusions of coffee have to be
prepared.
The upper part of the water vessel, A, is provided with a screw plug, Q, for
closing the filling opening, and said plug is fastened to the pipe, D, so that as the
water vessel rises the pipe and the coffee vessel B rise with it, the bottom of the
coffee container B having an overhanging rim R to permit of such rise without
splashing the infusion over.
The upper end of the pipe, D, is screw threaded, and the top perforated plate, H,
has a socket piece, S, for screwing on to said pipe to fix it in place.
The vessel A is guided in its up and down movement by pins, T, T, and other
pins, are provided for the vessel C, to enable it to be readily removed and placed
in position in the frame P for cleaning purposes.
U is a lid enclosing the coffee container B and the infusions container C.
The Cafetiere constructed as shown on the drawing is portable, and can be moved
from place to place by the handle V.
The infusion can be drawn from the vessel C by a tap, or otherwise.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed 1 declare that what I
claim is
As my improvements in Cafetieres.
1. Constructing the water vessel, A, separately from the infusions container, said
water vessel A being suspended by weights, and capable of rising for an automatic
release of the lid or cap M of a spirit or other lamp, for extinguishing the flame
thereof substantially as described.
2. Connecting with the water vessel A, capable of a movement as described in my
previous claim, a coffee container, B, having a corresponding motion to the vessel, A,
said container B being provided with the rim R as a shield within the infusion

page_text: 3. Forming a chamber between the lower perforated plate G and the bottom
of the coffee container, so that water under ebullition, and flowing up the pipe, D,
may pass into, and from said chamber npwards, through the ground coffee as and for
the purpose described.
H. GARDNER,
166, Fleet Street, London, Agent for the said H. S. Dean.