Improvements in Fittings for Chimneys to Prevent Down-draught or Smoking.
Year: 1895

page_text: Date of Application, 9th Apr., 1895
Complete Specification Left. 7th Jan., 1896-Accepted, 8th Feb., 1896
PROVISIONAL SPECIFICATION.
Improvements in Fittings for Chimneys to Prevent Down-draught
or Smoking.
I, WILLIAM BUCK, of 60, West Street, Horsham, in the County of Sussex,
Architect, do hereby declare the nature of this invention to be as follows:-
It is well known that chimneys having straight vertical flues are, under certain
conditions, liable to smoke by reason of down-draught or other failure to carry off
the smoke from the fire effectually and this evil is commonly combatted by
constructing the flues with a bend or deflection from the right line.
Such bends are however liable to be faulty or imperfectly constructed by the
bricklayers and either fail in their action or are only imperfectly successful in
consequence.
Now according to my invention I construct such bends in any convenient non-
combustible material such as metal earthen or stone-ware, or the like, of the
internal diameter required for the flue, of circular, square, rectangular, or other
convenient section, to be fixed in the flues of chimney-breasts, or chimney shafts,
and these, when fixed, as is sometimes convenient, in the top of shafts may be
constructed, or arranged to form or receive chimney pots or terminals, and may
have the top edge rounded off, or splayed off, or the like, to prevent lodgment of
soot or wet running down the inside.
By the use of my invention all difficulty from faulty construction of the flue at
the bend is avoided as the builder (when fixing my bends into new work) has only
to build closely round them and the interior of the flue is thus maintained of the
exactly proper dimensions and of equal diameter throughout the bend.
These bends may also be inserted in chimneys already constructed provided
there is room.
NEWNHAM BROWNE,
Agent for the Applicant.
Improvements in Fittings for Chimneys to Prevent Down-draught
or Smoking.
I, WILLIAM BUCK, of 6.) West Street, Horsham, in the County of Sussex,
Architect, 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 :-
It is well known that chimneys having straight vertical flues are under certain
conditions liable to smoke by reason of down draught or other failure to carry off
the smoke from the fire effectually and this evil is commonly combatted by
constructing the flues with a bend or deflection from the right line.
Such bends are however liable to be faulty, or imperfectly constructed by the
bricklayers, and either fail in their action or are only imperfectly successful in
consequence.

page_text: Now according to my invention I construct such bends in any convenient non-
combustible material such as earthen or stone-ware, or the like, of the internal
diameter required for the flue, of circular, square, rectangular, or other convenient
section, to be fixed in the flues of chimney-breasts, or chimney-shafts, and these
bends, when fixed, as is sometimes convenient, in the top of shafts may be
constructed, or arranged to form or receive chimney pots or terminals, and may
have the top edge rounded off, or splayed off, or the like, to prevent lodgment of
soot, or wet, running down the inside.
By the use of my invention all difficulty.from faulty construction of the flue at
the bend is avoided as the builder (when fixing my bends into new work) has only
to build closely round them and the interior of the flue is thus maintained of the
exactly proper dimensions and of equal diameter throughout the bend.
These bends may also be inserted in chimneys already constructed provided
there is room.
In the accompanying sheet of drawings
Fig. 1, is an elevation of one of my improved chimney fittings of circular cross
section. Fig. 2, is a longitudinal section of the same. Fig. 3, is a transverse
section and Fig. 4, is a transverse section of a similar bend, of rectangular form.
Fig. 5 is drawn to a smaller scale and shows the manner of applying my
invention in an ordinary chimney breast, and Fig. 6 represents a similar fitting
which may have a flange as represented, or a socket adapted to fit on to a stove
with a cast iron covering m.
Fig. 7 is a section of a bend in one direction only, and, Fig. 8 represents the
same built into a chimney stack.
Fig. 9, is the section of a stack of chimneys into which my said first described
fittings have been built and fitted with chimney pots. Fig. 10, is a like view but
showing my fittings made with a finished top and requiring no pot.
The following letters of reference indicate in the drawings the parts, or features,
mentioned below. A is one of my improved fittings for chimneys consisting of a
pipe of earthen or stoneware or other suitable material. The pipe may be of
circular section as shown in Fig. 3; or of square section as shown in Fig. 4;
or other convenient form and is bent as shown in the drawings more particularly
in Figs. 2 and 7. The various figures also illustrate the proportions which
I have found most advantageous in ordinary cases but my invention is not
limited to the dimensions and proportions mentioned. For ordinary domestic
chimneys I find 10 inches diameter to c is convenient, and I prefer to make
the bend such that a vertical line e¹ drawn from the internal surface at e passes
one and
a half inches from the internal surface of the bend at f. The
h may also conveniently be about 1 inches and the like at the
distance g.
upper end..
When one of these fittings is inserted in a chimney breast it may take the
position shewn in Fig. 5. When the fittings are to be inserted near the tops of
the chimneys in the chimney stack, they may be arranged as shown in Fig. 6,
and may be made with elongated tops to form chimney pots, or may be united to
chimney pots made to fit and correspond or may be topped with one of the
chimney pots in ordinary use.
In some cases I make my said fittings with a bend only in one direction as
shown in Figs. 7 and 8 and in many cases these answer the purpose completely
and are in some cases more convenient to apply than the fittings with a double
bend.
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
1. The improved fittings for chimneys for application within the brickwork or
masonry to prevent down draught or smoking substantially as hereinbefore
described

page_text: 2. A fitting for application within the brickwork or masonry of chimney
breasts, shafts, or stacks consisting of a pipe of approximately the same internal
diameter as the other parts of the chimney and having a bend or deflection from
the vertical, for the purpose of preventing or checking a down draught in the
chimney or failure to carry off the smoke properly.
3. For insertion in chimney breast, chimney stacks, or the like, bent pipes A of
earthen, or stone ware, having a bend, or deflection, from the vertical for the
purpose herein-before set forth and substantially as described and shown in the
drawings.
Dth da.. Tanu 1906
WILLIAM BUCK.