IMPROVEMENTS IN APPARATUS FOR JOINING LEAD PIPES
Year: 1884

page_text: I JOSEPH JAKENS of Plumtrees, Bury in the county of Lancaster, Chemist, do
hereby declare the nature of my invention for "IMPROVEMENTS IN APPARATUS
FOR JOINING LEAD PIPES" to be as follows:
=
This invention relates to the joining of lead pipes by the application of a flexible
fibrous sleeve or other formed wrapper, composed by preference of asbestos, but
other analagous fibrous heat resisting material may be used.
I prepare the ends of the lead pipes to be joined, in any suitable manner, and
insert a short, thin, hard metal tube in the ends of the pipes, as is already
understood.
I then place the ends of the lead pipo to be joined, in the fibrous, or asbestos
sleeve, tube, or wrapper, which is formed with an opening or guit pipo on the top,
and which has previously been coated with plumbago, or other heat resisting
substances, and I clamp the same together, or otherwiso bind it round the ends of
the lead pipes; and by the application of heat, which may be applied externally,
by means of a jet of gas from a blow-pipe, or internally by inolten metal conducted
within the sleeve by means of a suitably formed conductor, or thin hard metal
funnel having two or more outlets to enable the metal to be supplied to different
parts of the chamber or sleeve when requisite at the same time; thus causing the
cuds of the lead pipes to be fused or burned together with lead, or other soft metal,
by which means, a continuous homogeneous pipe practically results. This apparatus
is also applicable in like manner when required for the purpose of joining brass or
other metal fittings to lead pipes.
The asbestos, or other fibrous tube, wrapper or sleeve, may be provided with
suitable flanges and may be held in position by various forms of clamps, or may bo
tightly kept in place by means of asbestos or other heat resisting twine. In some
cases may be formed a valve for relief or outlot of the surplus molten metal forming
the joint.
Various modifications of the details may be made without departing from the
invention, which consists of apparatus composed of an asbestos, or analagous
fibrous sleeve, tube or wrapper, held in position by means of clamps, or otherwise,
for the purpose of joining lead pipes by fusing the same together, with or without
molten lead, or by means of solder.
WILLIAM GADD,
Consulting Engineer,
Barton Arcado, Manchester,
Agent to the Patenteo.

page_text: "
1 JOSEPH JAKENS of Plumtrees, Bury in the County of Lancaster Chemist,
do hereby declare the nature of the said invention for "IMPROVEMENTS IN
APPARATUS FOR JOINING LEAD PIPES and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement and accompanying drawings:—
My said Invention relates to means for quickly and economically joining
together the ends of lead pipes. This is accomplished by fusing the ends of the
pipes to be joined and causing them to unite so as to form a continuous and
homogenous pipe. In carrying my Invention into effect I use a sleeve or wrapper
formed of asbestos or other heat resisting fabric or material which embraces the
ends of the pipes to be joined. The said ends are suitably prepared and are held
in line by a short length of hard metal tube which enters each end as is well
understood. The fusing is effected either by the direct application of heat to the
outside of the said sleeve or preferably by the introduction of a stream of incited
metal to the interior of the sleeve through a metallic funnel, an overflow being
formed in the said sleeve so as to allow the melted metal to run through the sleeve
and round the ends of the pipe until the heat thereby transmitted has caused the
said ends to become fused or amalgamated with each other and with the metal
in the sleeve so as to form a joint.
And in order that my said invention may be properly understood, I will now
proceed more particularly to describo the same reference being had to the annexed
sheet of illustrative drawings.
:
Fig 1 of the said drawings is a longitudinal section of two ends of lead pipe
ready for fusing together. Fig: 2 is a cross section at the line A, B, Fig: 1, and,
Fig 3 is a plan view of the aforesaid asbestos sleeve. The two ends of lead pipo a
are held in line by the portion of hard metal tube b and are embraced by tho
asbestos sleeve c which is clamped or secured in position by any suitable means.
The sleeve may be coated with plumbago or other heat resisting matter or material.
The end of the funnel & is introduced through the opening e in the sleeve c and the
melted metal is poured into the space between the ends of the pipes and circulates
round as shown by the arrows in Fig: 2 making its escape through the overflow
space for it might be re-entering the funnel through the ports g aud again going
round. The heat thus imparted to the ends of the pipe has the effect of fusing
them so as to cause them to unite with each other and with a portion of the heating
metal and thus form a continuous joint. The funnel is withdrawn before the metal
sets and the sleeve is afterwards removed. Instead of using the melted metal and
funnel hereinbefore described I may set the ends of the pipe closer together and
apply heat directly to the outside of the sleeve or I might apply heat to the outside
of the sleeve in conjunction with the aforesaid stream of melted metal. I do not
confine myself to the precise form of sleeve shown nor to any specific means of
attaching it to the ends of the pipe to be joined.
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
1 claim is.
1. In joining lead pipes the employment of a sleeve or wrapper composed of
asbestos or other similar and suitable heat resisting fabric or material formed and
applied substantially as herein before described and shewn.

page_text: 2. The metallic funnol or pipe for conducting a stream of melted metal to the
chamber in the sleeve surrounding the ends of the pipe, as and for the purposes.
hereinbefore described and shewn,