Improvements in or relating to the Construction of Bakers' Ovens.
Year: 1889

page_text: Date of Application, 24th June, 1889
Complete Specification Left, 24th Mar., 1890-Accepted, 24th June, 1890
PROVISIONAL SPECIFICATION.
Improvements in or relating to the Construction of Bakers' Ovens.
We, CHARLES HENRY HARDING of Humberstone Gate and Clarence Street,
Leicester, Baker and Confectioner, and ALFRED HUNT of 20 Clarence Street
Leicester, Builder, do hereby declare the nature of this invention to be as follows:-
This invention has reference to an improved construction of Bakers' Ovens and
embodies means for heating the same.
The ovens are constructed in tiers so that one is above the other and the floors
are supported by T. I. girders and covered with corrugated iron carrying a bedding
of sand or equivalent material surmounted by suitable tiles or plates which form
the baking surface of the ovens.
Underneath each floor is a series of pipes or tubes, supported by suitable means,
the ends of which are open and directed into a flue or air chamber of suitable
dimensions communicating with the furnace and covered at the top with firebrick
or equivalent to prevent the escape of heat.
The air in this chamber or flue in consequence of being in such close proximity
to the furnace becomes heated, and passes into and through the tubes under the
ovens by which the latter are heated, thence into a chamber or flue at the opposite
end of the tube and pipes open at the upper end to allow the said air to escape."
Dated this 24th day of June 1889.
W. P. THOMPSON & BOULT,
Agents.
COMPLETE SPECIFICATION.
Improvements in or relating to the Construction of Bakers' Ovens.
We, CHARLES HENRY HARDING, of Humberstone Gate, and Clarence Street,
Leicester, Baker and Confectioner and ALFRED HUNT, 20 Clarence Street, Leicester,
Builder, 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 Bakers' Ovens, the object being to effect such improve-
continuous-baking
ments in their construction as to produce what are known as
ovens."
The invention will be more readily understood from the following description in
reference to the accompanying drawings, in which
Figure 1 is a sectional elevation and Fig. 2 a transverse section of an oven
arranged in accordance with our invention.
The ovens are constructed upon the "decker" principle or singly the floors being
supported by T irons A carrying sheet iron plates B covered with preferably a layer
of sand B¹ upon which suitable tiles or plates Care placed to form the baking surface
of the ovens.
Underneath each floor, and when desired at the top of each oven, is a series of
suction pipes or tubes D the ends of which are open and directed into a flue or air
chamber E, provided at its upper end with a damper of any suitable construction (not
shown in the drawings).
This damper is opened when the furnace is first lighted so that the products of
combustion pass through the chamber E and the damper at upper end thereof and
escape into the open air; but when the fire burns brightly and clearly the said
damper is closed and the heated air and the products of combustion that still ascend

page_text: pass freely through the pipes D into the chamber or flue G and are allowed to con-
tinuously circulate through the pipes so long as the oven requires to be heated.
The flue G can also be opened at its upper end to allow the hot air to escape.
By arranging dampers to act conjointly with each set or series of tubes and thereby
controlling the heating of the said ovens, one or more ovens may be cold while the
others may be heated for baking.
. 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. The employment in connection with what are known as "bakers' ovens of a
series of suction tubes or pipes D through which hot air may continuously circulate
for the purpose of heating the ovens substantially as described and illustrated in the
accompanying drawings.
2. A bakers' oven in which continuous baking is effected by means of a series of
-suction tubes or pipes communicating with hot air chambers, substantially as
described and illustrated in the accompanying drawings.
3. The improved bakers' oven constructed, arranged, and operating substantially as
-described and illustrated in the accompanying drawings.
Doted this 2nd day of March 1900.
CHARLES HENRY HARDING.
ALFRED HUNT.
W. P. Thompson & Boult,
Agents for the Applicants.
CHARLES HENRY HARDING.
ALFRED HUNT.
W. P. Thompson & Boult,
Agents for the Applicants.