Year: 1895

page_text: I CHARLES LILLICRAP of 59, Robert Street, Manselton, Swansea, S. Wales,
Electrician, do hereby declare the nature of this invention to be as follows:-
This invention relates to an improved construction of kettle, in which water or
other liquid can be heated more rapidly than is commonly the case and with less
expenditure of fuel.
In carrying out my invention I form perforations in the bottom and top of the
kettle and furnish tubes opening through the perforations and passing upwardly
through the body of the kettle. According to the arrangement, I prefer to employ,
three tubes are provided, opening through the bottom near to the centre and
extending at an angle to the top. The tubes are of conical form tapering to the
top to utilize the heat in the most effective manner. With this arrangement the
hot air from the fire or gas will pass through the tubes and a large heating
surface will be provided in the most advantageous position, economising the heat
to the fullest extent.
Dated this 15th day of January 1895.
GEO. H. RAYNER,
37, Chancery Lane, London, W.C., Agent for the Applicant.
I, CHARLES LILLICRAP, of 59 Robert Street, Manselton Swansea, Glamorgan-
shire, Electrician 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:-
The object of the improvement in the tea kettle is to increase the heating
surface by placing the tubes in such a position that the heat from the fuel used is
conducted more to the centre of the mass of water to be boiled.
My object is to use more of the heat from the fuel used in boiling water by
means of kettles for domestic purposes than can be used by the old method.
My invention will be readily understood by referring to the annexed drawings
in which
Figure 1 is an exterior elevation of a domestic kettle.
Figure 2 a plan.
Figure 3 a perspective elevation from the under side or bottom of such a kettle.
Figure 4 representing such a kettle ou a stove grate, the heater tubes diverging
to protect the handle from the action of any flame or products of combustion
passing out of said tubes.
A is the body of the kettle. B the bottom which may be flat or dished. C the
top neck. D the lid. E the bow handle, and F the spout. All those parts are
of ordinary construction except that the bottom B and the neck D are connected
by say, three parallel shaped tubes G, G, G, at an angle and diverging from near

page_text: the centre of the bottom B to the neck D which is dome shaped in order that the
gases or fumes from the fire may pass away clear of the handle E.
Among the advantages due to the invention of the parallel tubes arranged as
shown are:
1. Distribution of heat by the tubes to the body of water in the kettle in
addition to that from the bottom.
2. Rapidity of heating the water by the passage of the heated gases and fumes
through the tubes and the non-liability of the tubes becoming choked however
small the quantity of fuel in the grate.
3. The ease with which the tubes being parallel sided can be cleansed of soot
and other deposit by an ordinary flue brush.
The drawings indicate a copper or a block or other tin tea kettle made up in
parts but it may be of cast iron or other metal, the tubes being part of the casting,
or they may be hard soldered in.
I am aware that vessels for heating water for domestic purposes have been produced
with internal tubes for rapid heating and for producing circulation of the water,
therefore I make no claim in a broad sense to the use of internal tubes in a water
vessel for heating purposes.
Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed I declare that what
I claim is :-
A domestic kettle with parallel sided tubes therein, said tubes diverging from
near the bottom to the neck as and in the manner described and substantially as
shown in the annexed drawings.
The 20th dow of Condom 100%
H. GARDNER,
Patent Agent, 166 Fleet Street, London,
Agent for the said Charles Lillicrap.