AN IMPROVED METHOD OF CONSTRUCTING PIPE JOINTS
Year: 1885

page_text: I, JOHN HENRY TAYLOR Honeywell House, Barnsley in the County of York Civil
Engineer do hereby declare the nature of my invention for "AN IMPROVED METHOD
OF CONSTRUCTING PIPE JOINTS" and in what manner the same is to be performed,
to be particularly described and ascertained in, and by the following statement,
that is to say :-
"
My invention refers more particularly to the joints of earthenware, or " sanitary
pipes, the object being to enable the workman who is laying the pipes, to make a
sure and effective watertight joint by a very simple process and at a moderate
cost.
And in order that my invention and method may be clearly understood I have
annexed to this my Specification a sheet of drawings to illustrate the same, in which
the same letters of reference indicate the same parts in any of the figures in
which they occur.
Fig. 1, is a plan of the pipes in position.
Fig. 2, is a sectional elevation of the same pipes.
A, represents the joint when the pipes are first put together, B shows the second
process, C, is the finished joint.
Fig. 3, is the end view of joint B, showing the rope in position.
In carrying any invention into effect in the construction of the pipes I make the
spigot end D of each pipe, with a ring, or collar E, the outer face of which (F) is
within a short distance from the end of the pipe, which at that part may be either
of a smaller outside diameter as shown, or of the same diameter as the rest of the
pipe. I make the interior of the socket end of the pipe with a rebate or annular
recess G, to correspond with the spigot end of the pipe, also one of larger diameter
to receive the collar E, and deep enough to contain a quantity of cement.
The front edge of the socket is preferably hollowed at H, to receive a hempen
rope, or a coil of gutta percha, or other flexible material I, but this part may be
varied in shape to suit the cross section of the rope or coil which if preferred may
be square or flat.
In the edge of the socket, an opening, or gate J is made, of a suitable shape for
the withdrawal of the rope L
The method of using my invention is as follows place the pipe upright on its
spigot end D, and fill the rebate at G in the socket with clay then reverse the pipe

page_text: and fill the angle at F, round the pipe with clay. Repeat this operation with a
second pipe, and place the spigot end in the socket of the first pipe. There insert
a coil of hempen rope into the hollow H made for this purpose, leaving one end
projecting from the opening J as shown in the joints B Figs 1 and 2, and in Fig 3.
and lay a strong band of clay all round the rope, and against the edge L of the
socket then withdraw the rope by means of the projecting end and pour liquid
cement into the opening until the annular recess from which the rope was withdrawn
is filled see M-socket C.
By the above described process a perfectly water tight joint is formed, which may
be verified if desired after the cement is set, by having the outside ring of clay
removed. The clay should however be retained as an auxiliary to the cement, and
in practice it will not be found necessary to remove it for if it has witheld the
pressure of the heavy liquid current from within, it is strong proof that it will also
withstand the pressure of ordinary sewage within, or the entrance of subsoil water
from without.
This system has many advantages-the pipes are simple, and economical to
manufacture-the joints are made with ease and certainly by ordinary labouring
men and can be readily inspected before filling the trench in.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed I declare that what
I claim is
1 The method of constructing pipe joints as herein before described and
illustrated.
2 The construction of the socket and the spigot ends of earthenware pipes for the
purpose specified, and substantially as described and illustrated.
3 In forming the joints of earthenware pipes, the method of keeping the recess
for cement free from obstruction, by the use of a coil of rope, or other suitable
material, substantially as hereinbefore described and illustrated.
Dated the 9th day of March 1885.
ROBT F. DRURY,
Agent for the Applicant.