Improvements in the Means for the Prevention of Down Draught in Chimneys and other Flues.
Year: 1890

page_text: Date of Application, 10th Nov., 1890
Complete Specification Left, 10th Aug., 1891-Accepted, 7th Nov., 1891
PROVISIONAL SPECIFICATION.
Improvements in the Means for the Prevention of Down Draught
in Chimneys and other Flues.
I JOHN BAPTISTE PAPIER of 34 Church Road Southgate Road in the County
of Middlesex Ventilating and Sanitary Engineer do hereby declare the nature of my
invention for IMPROVEMENTS IN THE MEANS FOR THE PREVENTION OF DOWN
DRAUGHT IN CHIMNEYS AND OTHER FLUES to be as follows
--
A pipe made in zinc, iron, terra cotta or any suitable material, the top opening
to be of a suitable size and in preference square, the lower part to be such as to
fit the flue or chimney.
Fix the square part of this pipe at a suitable distance into a rectangular tube
or body, of which the two smaller sides are of the same size than the side of my
square pipe, and the larger sides to be about twice that width and projecting
equally over the two opposite sides of the pipe.
The rectangular body which receives the pipe narrows at the top to the width
of the pipe and the top part of the narrowed sides are to be of a circular or an
angular form, the highest point being in the middle of each side.
Through the two larger sides of the body fix at a suitable distance over the
top of the pipe a V shaped, or angular or circular bent metal or other suitable
material, the open top part being about the size of the square pipe and thus
compel the smoke or vitiated air after leaving the pipe to pass round it and to
find its way out either at the top or bottom. The wind can pass freely through
the angular or circular opening extending from one large side of the body to the
other and escape either out of the top of the body or of the other side. The
top opening of the reduced part of the body is divided in two equal parts by a
flat piece projecting a few inches above the highest point of the body and the
lower part extending to the top of the open angular or circular shield protecting
the mouth of the pipe connected with the chimney or flue.
Dated this 10th day of November 1890.
COMPLETE SPECIFICATION.
Improvements in the Means for the Prevention of Down Draught
in Chimneys and other Flues.
I JOHN BAPTISTE PAPIER of 34 Church Road Kingsland, in the County of
Middlesex, Ventilating and Sanitary Engineer 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 :-
A pipe A B C D, Fig. 3 made in zinc, iron or any suitable material, the top
opening A B being square in preference and the lower part C D to be such as
to fit the flue, shaft or chimney. I fix the square part A B of this pipe at a
suitable distance into a rectangular body K L M Q of which the two smaller
sides FE JH, Fig. 2 are of the same width as the side of the square A. B, and
the other width of the body to be about twice that of the side A B of the square
pipe, and projecting equally over this pipe.
The rectangular body, which receives the pipe narrows from QM to the top RS
to the width of the pipe and the top parts of the narrowed sides, are to be of
a rounded or angular form.
Through the two larger sides of the body, I fix at a suitable distance over the top

page_text: of the pipe A B a V shaped piece X Y Z, or angular or circular shape, made of
metal or of any other suitable material. The open part X Z being about the size
of the side of the square pipe A. B. By that means you will compel the smoke
or vitiated air to pass round it and to find its way out on both sides either at the
top P N or the bottom K L, Fig. 1. The wind can pass freely through the
angular or circular opening extending, from one side to the other of the larger
sides of the rectangular body K L M Q, Fig. 1, and escape either from the top
of the body or from the other side. The top part opening RS of the reduced
part of the body is to be divided into two equal parts by a flat piece V T projecting
a few inches above the highest point of the body, and the lower part extending
to the top T of the open angular or circular shield protecting the mouth of the
pipe connected with the flue or chimney.
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:
No. 1. The V, or angular or circular shaped cover X Y Z above the flue, to
oblige the smoke or vitiated air to pass round it and go out on either side, top or
bottom of the rectangular body through which it passes.
No. 2. The projecting division V T of the upper part of the body to avoid a
blow down in both sides at the same time.
J. B. PAPIER.