Improvements in connections for certain kinds of Pipes and Pipe Fittings.
Year: 1898

page_text: Date of Application, 21st Nov., 1898-Accepted, 18th Feb., 1859
COMPLETE SPECIFICATION.
Improvements in connections for certain kinds of Pipes and Pipe
Fittings.
I, WILLIAM BARNSLEY, of Globe Works, Highfields, Bilston, in the County of
Stafford, Brass Finisher, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement: -
This invention consists of the herein described improvements in connections
for the ends of lead copper brass compo and other soft metallic tubes so as to
connect the ends of the said tubes together or to any kinds of cocks valves or
other tube fittings or to an iron or steel tube without making what is known
as a plumber's wiped" joint and without employing the usual tail piece which
is soldered or brazed into the end of the tube.
My invention is also applicable for connecting together the ends of two
indiarubber or indiarut ber and canvas or like flexible pipes or for connecting the
end of such pipe to any other kind of pipe or cock valve or other pipe fitting.
I will describe my invention by referring to the accompanying drawings on
which Fig. 1 represents in sectional elevation a cock with a compo or soft metal
tube connected thereto in accordance with this invention; Fig. 2 shews the
said metal tube separate from the cock after it has been connected thereto in
accordance with this invention; Fig. 3 shews the tool for and the method of
enlarging the end of the soft metal tube preparatory to connecting it to the
said cock; Fig. 4 shews what I call a thimble which I use in making the said
joint; Fig. 4 is a modified form of said thimble; Fig. 5 shews how the said
thimble has to be inserted in the enlarged end of the tube before the latter is
connected to the cock; Fig. 6 shews the ends of two compo or other soft metal
tubes connected together in accordance with this invention; Fig. 7 shews a compo
or soft metal tube connected to a screwed wrought iron pipe or the like in accord-
ance with this invention; Fig. 8 shews the end of an indiarubber tube with the
thimble inserted therein ready to be connected on to another tube or fitting in
accordance with this invention.
The same letters of reference indicate the same or corresponding parts in all
the figures of the drawings.
I will first refer more particularly to Figs. 1 to 5 both inclusive and describe
my invention as applied for connecting a compo or soft metal pipe to a cock
or other fitting.
A is the compo or soft metal pipe which is required to be connected to the
cock B. In carrying out my invention the end a of the compo or soft metal
pipe which is to be connected to the cock B is first enlarged in diameter inter-
nally and externally to somewhat of the coned or bell mouthed form at a² as
shewn in Figs. 3 and 5 which can readily be done by the pressure of a spigot

page_text: like tool such as C (see Fig. 3) which is driven into the open end of the tube A.
This tool C is at made to fit easily in the tube to keep the tube and tool
straight and the tool has a swell formed on it of the proper shape and size
to form the required internal coned or bell mouthed form to the tube A. This
swell is made slightly taper that is larger towards the collar so as to prevent
the tool sticking fast in the tube. The collar or shoulder comes against
the end of the tube and thus the coned or bell mouthed enlargement a² is made
at the proper distance within the end of the tube with a corresponding swell u
on the outside of the tube. I provide what I call a thimble which is made
of brass or some metal harder than the tube A one form of which thimble is
shewn separately by Fig. 4 and another form is shewn separately by Fig. 4*.
This thimble is tubular and of the same internal diameter as the internal diameter
of the tube A and taper or rounded on the outside from the centre towards
the ends d d which latter are thus of smaller diameter than is the central swell
part . This thimble D is driven into the enlarged end of the tube A as shewn
in Fig. 5 so as to be about flush with the extreme end a of the tube. The
end of the cock B to which the pipe A is to 'be fixed is bored out conical or
taper inside as shewn in Fig. 1. The end a of the pipe A is compressed into
the conical recessed end 6 of the cock B by means of the connector E which is
threaded on to the tube A before the end a of the same is enlarged as aforesaid.
This connector E is made with an internal collar el to fit against the enlarged
part a³ of the tube A and is screwed on to the outside of the cock B (or is other-
wise connected thereto) so as to compress the end part of the tube A in the conical
recess 6¹ and around the thimble 1 so that the end portion of the compo pipe A
will now assume the shape about as shewn by Figs. 1 and 2 thus making a
perfect joint or connection and by the interior diameter of the end a¹ of the
compo pipe A being smaller than the central enlarged part of the thimble 1)
it is impossible for the pipe A to be forced out of the joint as
nector is screwed up tightly.
long as the con-
When this invention is applied for connecting two compo or other soft metal
pipes such as A¹ A² together (see Fig. 6) the ends of both of these pipes are fitted
internally with two brass or other hard metal thimbles D similarly as above
described with reference to Figs. 1, 2, 3, 4, 4* and 5 and on each of these tubes
there is one of the connectors E which are screwed on to the ends of the central
tubular fitting F the ends f¹ f2 of which are coned internally to receive the ends
of the two tubes A1 and A2. Thus both of the pipes A¹ A2 are connected to the
tubular fitting F in the same way as the pipe A is connected to the cock B in
Fig. 1.
It will be evident that our invention can be applied to connecting the end of
2 compo, lead, brass, or other soft metal pipe to another pipe or to any kind of
tube fittings similarly as above described with reference to Figs. 1, 2, 3, 4, 4*,
5 and 6 and it will be understood that instead of the connector E being screwed
on to the part such as 2 or F to which the tube A has to be connected the
connector E and the part of the fitting to which it is fixed may be formed with
flanges and connected together by bolts and nuts as will readily be understood.
Fig. 7 shews my invention applied to connecting a compo or soft metal pipe
to a wrought iron pipe G. In this case the tubular fitting F to which the
compo or soft metal pipe A is connected in accordance with my invention as
above described, is screwed internally at få (or it may be screwed externally)
to receive the iron pipe G or is otherwise suitably fixed thereto.
The thimble D may either be plain on the outside as in Figs. 4 and 4* or
have annular grooves turned on the outside or be otherwise roughened so as to
make a better joint.
2
4
5
My invention is applied to connecting the end of an indiarubber and canvas
or other like flexible tube to any other kind of tube or tubular fitting. or for 5
connecting two of such tubes together, similarly as above described with reference

page_text: to a metal pipe; but when my invention is applied to indiarubber and canvas
or other like flexible tubes or to copper tubes 1 prefer to use the rounded or
spheroidal form of thimble shewn in Figs. 4* and as the indiarubber or other
flexible pipe A³ fits thereover better than on the double coned form of thimble
represented in Fig. 5 and which latter is more suited to lead and compo pipes.
It will be understood that when the thimble D is made of the rounded form
on the outside as in Figs. 4* and 8 the interior as b₁ or f' or 2 of the end of
the fitting may be bored of a corresponding form or made conical to properly
fit against the end of the tube.
The thimble D may if preferred in some cases as for instance when used with
copper pipes be soldered or otherwise permanently fixed in the pipe such as A,
A, A and A3 in which it fits although such soldering is not at all necessary.
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:
C
1. The herein described improved means for connecting the end of a lead
copper brass compo or other soft metallic tube or an indiarubber or like tube
to a valve cock or other tube fitting, that is to say, in combination with the
fitting made with a conical or bell mouthed end to receive the end of the tube,
the employment of a tubular thimble such as 1) made with reduced ends and
htting in the enlarged end of the tube so as to be enclosed thereby and a ring
like connector screwed or otherwise adapted to be connected to the fitting and
threaded on said tube and made with an internal shoulder such as e' to take
against the enlarged part of the tube, said parts being so arranged that upon
the connector being tightened up on the fitting the end of the tube is by the
connector forced into the conical or bell mouthed end of the fitting and thereby
closed tightly round the thimble which thus prevents the tube from pulling out
of the fitting and a perfect joint is made, substantially as herein before described
with reference to the accompanying drawing.
2. As a means for connecting together the ends of two lead copper brass compo
or other soft metallic or indiarubber tubes, the combination of a tubular fitting
such as made with conical or bell mouthed ends to receive the ends of the
tubes, two tubular thimbles such as D made with reduced ends and fitting in
the enlarged ends of the tubes so as to be enclosed thereby, and two ring like
connectors screwed or otherwise adapted to be connected to the fitting and
threaded on said tubes and each made with an interual shoulder such as e¹ to
take aginst the enlarged end of the tube on which it fits, said parts being so
arranged that upon the connectors being tightened up on the fitting the ends
of the tubes are by the connectors forced into the internal or bell mouthed ends
of the fitting and thereby closed tightly round the respective thimbles which
thus prevent the tubes from pulling out of the fitting and perfect joints are made,
substantially as herein before described with reference to Fig. 6 of the accom-
panying drawing.
3. As a means for connecting the end of a lead copper brass compo or other
soft metallic or an indiarubber tube to an iron tube the combination of the
tubular fitting such as F¹ adapted to be screwed or otherwise fixed to the iron
tube and made with a conical or bell mouthed end to receive the end of a soft
metal or indiarubber tube, a tubular thimble such as D made with reduced ends
and fitting in the enlarged end of the soft metal or indiarubber tube so as to
be enclosed thereby, and a ring like connector screwed or otherwise adapted to
be connected to the tubular fitting and threaded on said soft metal or indiarubber
tube and made with an internal shoulder such as e¹ to fit against the enlarged
part of the same, said parts being so arranged that upon the connector being
tightened up on the fitting the end of the soft metal or indiarubber tube is by
the connector forced into the conical or bell mouthed end of the fitting and

page_text: thereby closed tightly round the thimble which thus prevents the tube from
pulling out of the fitting and a perfect joint is made, substantially as herein-.
before described with reference to Fig. 7 of the accompanying drawing.
Dated this 17th day of November 1898.
:.
CHARLES BOSWORTH KETLEY,
Agent for the Applicant.