WITHDRAWING FERRULES FROM TUBES
Year: 1885

page_text: GEORGE WILLIAM ROTHERY, of Garden Cottage, Parton near Whitehaven in the
county of Cumberland, Engine Fitter do hereby declare the nature of my invention
for WITHDRAWING FERRULES FROM TUBES to be as follows:-
In order that my Invention may be clearly understood, as well as the means of
putting the same into practical operation the Invention is hereafter described, in
detail, conjointly with the seven figures of the accompanying Drawing.
Fig. 1. Is a lateral elevation of a tube of cylinderical or other suitable form
(preferably made of steel) divided by several longitudinal slots a, through a portion
of its length, the said tube being screwed along another portion of its length cc
and baving towards its divided ends raised collars or projections & d. continuing in
a tapering form to the several extremities, the interior of the same part of the tube
(of which the tapered projections are the exterior) being also of a conical or tapered
form but in reverse position to the exterior. See Fig. 5 at m m.
Fig. 2 is an end elevation of Fig. 1 showing the end divided by the slots a, a, a.
Fig. 3 A rod or spindle one extremity of which shall terminate in a conical or
wedge form g. and which cone or wedge shall be of a size and shape, suited to the
proper expansion of the projections d d d on Fig. 1 as shown in section, Fig. 7 at g.
The opposite end of the rod or spindle being screwed along a sufficient portion of
its length.
Fig. 4 A plain tube.
Fig. 5 is a lateral elevation, in section, of the tool when ready for use.
Fig. 6 is a similar elevation, in section, showing the projections d, d, on the
flexible ends of the tube Fig. 1, contracted to the internal diameter of the
ferrule f
Fig. 7. Shows the several parts of the tool in position for withdrawing the
ferrule f, the flexible ends b, b, b, are expanded, the collars d, d, d, are gripping the
inside edge of the ferrule f. and they are kept in position by the conical part g of
the rod or spindle Fig. 3 which is in turn prevented from slipping back by the

page_text: butterfly nut h, which traverses the threaded portion of the rod Fig. 3, and which
presses against the end of the screwed part of the slotted tube, Fig. 1 encircling the
Spindle Fig: 3.
Fig. 7 One end of the cylinder Fig. 4 is now compressed against the tube plate k
by the nut e traversing the threaded portion of Fig. 1 and it is obvious that by
tightening up the nut e the withdrawal of the ferrule f. from the tube i will be
effected. This operation can be repeated until that portion of Fig. 1, between the
nut e, and the projections d, d, d, is filled up with ferrules, then the nuts e and h
can be unscrewed from their respective places, the ferrules dropped off the
nuts e and h, replaced in their former positions, and the tool is again ready for use.
Dated this 26th day of June 1885.

page_text: Improved Method of Withdrawing Ferrules from Tubes.
I GEORGE WILLIAM ROTHERY, of Garden Cottage, Parton near Whitehaven in
the county of Cumberland Engine Fitter do hereby declare the nature of my
invention for AN IMPROVED METHOD OF WITHDRAWING FERRULES FROM TUBES
and in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:
The object of my improved method of withdrawing ferrules from tubes, is
firstly, to provide an effective means, by which ferrules may be removed from
tubes.
The method I have devised being more especially applicable to tubes which are
ferrulled at both ends.
But even where tubes are ferrulled at one end only, it will, I think prove a less
cumbrous or destructive method, than any of the schemes usually adopted to
obtain the removal of ferrules from tubes Secondly to remove the ferrules without
injuring them, thereby securing a larger proportion of useful ferrules for additional
service.
In order that my method of withdrawing ferrules from tubes may be clearly
understood as well as the means of putting the same into practical operation, it is
hereafter described in detail conjointly with the seven Figures of the accompanying
Drawing.
Fig. 1 Is a lateral elevation of a tube, of cylinderical or other suitable form
(preferably made of steel) divided by several longitudinal slots, a, through a portion
of its length, in such a manner that sufficient flexibility may be given to the
divided ends b, b, b, to enable the operator, to contract their greatest external
diameter, below the internal diameter of the ferrules to be withdrawn, and to
expand their greatest external diameter sufficiently, to firmly grip the ferrule on
its inside edge. The said tube being screwed along another portion of its
length c, c, and, having towards its divided ends raised collars or projections, d, d,
continuing in a tapering or curving form to the several extremities. The interior
of the same part of the tube, (of which the curving projections are the exterior)
being of a conical or tapering form but in reverse position to the exterior, see
Fig. 5 at m, m.
Fig. 2 is an end elevation of Fig. 1 showing the end divided by the slots a, a, a.
Fig. 3 A rod or spindle one extremity of which shall terminate in a conical or
wedge form
and which cone or wedge, shall be of a size and shape, suited to the
proper expansion of the projections d, d, d, on Fig. 1, and as shown in section
Fig. 7 at g. The opposite end of the said rod or spindle, being screwed or keyed
along a sufficient portion of its length, to obtain a variable adjustment for the
positions of the cone g.
Fig. 4. A plain tube preferably of cylindrical form whose internal diameter shall
be larger than the external diameter of the ferrules which require to be withdrawn,
and, which shall be of a length suited to the other portions of the tool, and the
varying nature of the work to be performed. This tube may be lightened by

page_text: openings through its surface, its essential function being to offer such resistance to
the tightening up of the nut e, as will overcome the friction of the ferrule fin the
tube . see Fig. 7.
Fig. 5 is a lateral elevation in section, of the tool when ready for use.
The rod
or spindle Fig. 3 is seen to be loosely encircled by the tube Fig. 1, whose tapering
flexible ends b, b, b, can be seen entering the ferrule f, and the tube Fig. 1 is again
encircled by the cylinder Fig. 4.
Fig. 6 a similar elevation in section, shows the projections d, d, on the flexible
ends of the tube Fig. 1. contracted to the internal diameter of the ferrule f, this
can be accomplished by slightly compressing the flexible ends b, b, b, Fig. 2, with
the hand, and pressing them towards the ferrule ƒ after the points are inserted
into it.
Fig. 7 Shows the several parts of the tool in position for withdrawing the
ferrule f, the flexible ends b, b, b, are expanded, the collars or projections d, d, d,
are gripping the inside edge of the ferrule f, and they are kept in position by the
conical end g of the rod or spindle Fig. 3, which is in turn prevented from slipping
back by the butterfly nut traversing the screwed portion of the other end of the
rod Fig. 3, and which presses against the end c of the screwed part of the slotted
tube Fig. 1, encircling the spindle Fig. 3.
One end of the cylinder Fig. 4 is now compressed against the tube plate k, by
the nut e traversing the screwed part of Fig. 1 and it is obvious that by tightening
up the nut e, the withdrawal of the ferrule f from the tube i will be effected. This
operation can be repeated until that portion of Fig. 1, between the nut e and the
projections d, d, d, is filled up with ferrules f. f. f, then the nuts e, and h can be
unscrewed from their respective places, the ferrules dropped off, the nuts e and, h
replaced in their former positions, and the tool is again ready for use.
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
A tool, for the purpose of withdrawing ferrules from tubes, composed of the
parts, described and illustrated as Figs. 1, 3 & 4, and acting conjointly for the
purpose specified, as described and illustrated, as Figs. 5, 6, & 7, of the Drawing
annexed.