Improvements in Pipes, and Connections therefor.
Year: 1893

page_text: Date of Application, 16th Dec., 1893
Complete Specification Left, 17th Sept., 1894-Accepted, 15th Dec., 1894
PROVISIONAL SPECIFICATION.
Improvements in Pipes, and Connections therefor.
I, HENRY EDMUNDS, of 39 Victoria Street, in the City of Westminster,
Electrical Engineer, do hereby declare the nature of this invention to be as
follows:-
My invention has for its object to provide a pipe which has great strength, or
resistance to pressure, but which is of a material which is sufficiently yielding, or
flexible, to enable it to be bent as required, the bending being capable of being
effected so that the pipe has not its internal passage contracted, or distorted, by
the bending.
According to my invention the pipe is made of a comparatively soft, or flexible,
metal, or material, such as lead, and this is covered, or lined with, or has in its.
substance, a tube composed of interlaced wires, or strips, of a hard metal, or
material, of great tensile strength, such as steel wires.
The soft, or flexible, tube (which I will assume to be made of lead) may be
made separately from the tube of wires of hard metal, or material, of great tensile
strength (which I will assume to be steel) and the one be placed over, or in, the
other; or the lead tube may be first formed and the steel wires be afterwards inter-
laced, or woven, around it, and afterwards the pipe may be covered with lead, so
that the wires, if outside the first pipe of lead, will be enclosed between two layers
of lead; or the lead pipe may be formed whilst the steel wire is fed so that it is
enclosed in, or joined with, the lead as it issues from the pipe making machine; or
the lead and steel wires may be combined in other convenient way. In joining up
pipes thus made there may be employed end pieces, or T, or equivalent,, pieces,.
formed with screwed ends, preferably somewhat conical, which can be secured onto,
or into, the lead at the end of the pipe so as to bite firmly thereon, or therein, the
joint being made good, if desired, by red lead, or other suitable material. When
the steel wires are applied outside the lead the wires may be displaced so as to allow
the end piece, or the like, connection to be screwed onto, or into, the lead, and then the
steel wires may be brought over the end piece and be secured by a wrapping, or
serving, of wire, or otherwise.
Dated this 16th day of December 1802
COMPLETE SPECIFICATION.
Improvements in Pipes, and Connections therefor.
I HENRY EDMUNDS of 39 Victoria Street in the City of Westminster
Electrical 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 :—
My invention has for its object to provide a pipe which has great strength, or
resistance to pressure, but which is of a material which is sufficiently yielding or
flexible to enable it to be bent as required the bending being capable of being
effected so that the pipe has not its internal passage contracted, or distorted by the
bending.
According to my invention the pipe is made of a comparatively soft, or flexible
metal, or material, such as lead, for example and this is covered, or lined with,

page_text: or has in its substance, a tube composed of interlaced wires or strips, of a
comparatively hard metal or material of great tensile strength, such as steel
wires.
The soft, or flexible tube, (which I will assume to be made of lead) may be
made separately from the tube of wires of hard metal, or material, of great tensile
strength (which I will assume to be steel) and the one be placed over, or in, the
other; or the lead tube may be first formed and the steel wires be afterwards inter-
laced, or woven, around it, and afterwards the pipe may be covered with lead, so
..that the wires if outside the first pipe of lead, will be enclosed between two layers
of lead; or the lead pipe may be formed whilst the steel wire is fed so that it is
enclosed in, or joined with, the lead as it issues from the pipe making machine; or
the lead and steel wires may be combined in other convenient way.
".
Figure 1 represents in side view and cross section a pipe made according to this
invention with the wires outside.
and
Figure 2 represents in longitudinal section such a pipe with the wires inside
Figure 3 represents in longitudinal section such a pipe with the wires enclosed or
embedded in the lead or other material of the pipe.
In all these figures the comparatively soft, or flexible, material of the pipe is
marked a and the comparatively hard and strong wires are marked b. I do not
limit myself to the modes shewn of laying or interlacing the wires. The mode of
placing the said wires shewn in the several figures may be combined together that
is the wires may be both inside and outside the pipe, with, or without, wires in the
substance of the pipe, or they may be in the substance of the pipe combined with
wires either inside or outside only. In joining up pipes thus made there may be
employed end pieces, or T, or equivalent pieces which may be formed with screwed
ends, preferably somewhat conical, which can be secured onto, or into, the lead at
the end of the pipe so as to bite firmly thereon, or therein, the joint being made
good, if desired, by rel lead, or other suitable material. When the steel wires are
applied outside the lead the wires may be displaced so as to allow the end piece, or
the like connection to be screwed onto, or into the lead and then the steel wires
may be brought over the end piece and be secured by a wrapping, or serving of
wires, or otherwise.
Figures 4 and 5 shew an end piece of T form so applied to a pipe with external
wires. Figure 4 shews the wires b displaced and the end attached to the pipe and
. Figure 5 shews the wires brought over the said end piece and secured by a
wrapping or serving of wire c. Although I have mentioned lead pipes and steel
wires the pipe may be of other soft, or flexible material, such for instance as india
rubber, and the wires may be of other form than ordinary wires such for instance
as strips, and they may be made of other material than steel provided that it is of
the requisite toughness or strength.
Having now particularly described and ascertained the nature of my inven-
tion and in what manner the same is to be performed I declare that what I
claim is :→
1. Pipes made of lead, or other soft, or flexible, or like material, with interlaced
wires, or strips, applied either to the outside, or the inside, or embedded, or enclosed, in
the substance of the pipe, or applied in any two, or all, of these ways substantially as
hereinbefore described.
2. Pipes made of lead, or other soft, or flexible, or like material, with interlaced
wires, or strips, applied to the exterior thereof, and end pieces, or connections,
secured thereto by the wires; substantially as hereinbefore described.
Dated this 17th day of September 1894.
JOHNSONS & WILLCOX,
47, Lincoln's Inn Fields, London, W.C., Agents.