IMPROVEMENTS IN THE MEANS OR APPARATUS FOR EXTRACTING TUBES AND FERRULES FROM LOCOMOTIVES AND OTHER TUBULAR BOILERS, AND ALSO FROM TUBULAR SURFACE CONDENSERS
Year: 1876

page_text: LETTERS PATENT to William Wilson Weatherburn and Robert Weatherburn,
both of Leeds, in the County of York, for the Invention of "IMPROVEMENTS
IN THE MEANS OR APPARATUS FOR EXTRACTING TUBES AND FERRULES FROM
LOCOMOTIVES AND OTHER TUBULAR BOILERS, AND ALSO FROM TUBULAR SURFACE
CONDENSERS."
Sealed the 15th December 1876, and dated the 6th July 1876.
PROVISIONAL SPECIFICATION left by the said William Wilson Weatherburn
and Robert Weatherburn at the Office of the Commissioners of Patents on the
6th July 1876.
WILLIAM WILSON WEATHERBURN, and ROBERT WEATHERBURN, both of Leeds,
in the County of York. "IMPROVEMENTS IN THE MEANS OR APPARATUS FOR
EXTRACTING TUBES AND FERRULES FROM LOCOMOTIVES AND OTHER TUBULAR
BOILERS, AND ALSO FROM TUBULAR SURFACE CONDENSERS."
Great difficulty has been experienced in extracting ferrules from tubes and also
the tubes from boilers and tubular surface condensers, the plates of the boilers or
tubular surface condensers being frequently injured by the operation.
By our Invention the operations are performed with the greatest ease and without
injury to the plates. To effect this end we provide a hollow spindle which is split
at one end. We make the hole in the split end conical to receive the conical end.
of a rod, which is passed through it and screwed at its outer end to receive a nut,
whereby the cone can be drawn within the hollow spindle and the split end
expanded. A boss or collar is forged of suitable size at the split end of the spindle.
The hollow spindle is provided with a socket through which it is passed, and is
screwed on its outer end to receive a nut. This socket acts as a fulcrum during the
operation of extracting. In order to remove a ferrule the large or split end of the
spindle is passed through the ferrule and afterwards expanded by drawing the cone
within the conical hole in the split end of the spindle; by this means the boss or
collar projects behind the ferrule, by then turning the nut on the outer end of the
spindle with the socket against the face of the plate, thus forming the fulcrum, the
ferrule is withdrawn.
The operation for extracting tubes is similar to the above described.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said William Wilson Weatherburn and Robert Weatherburn in the Great
Seal Patent Office on the 2nd January 1877.
WILLIAM WILSON WEATHERBURN and ROBERT WEATHERBURN, both of Leeds,
in the County of York. "IMPROVEMENTS IN THE MEANS OR APPARATUS FOR
EXTRACTING TUBES AND FERRULES FROM LOCOMOTIVES AND OTHER TUBULAR
BOILERS, AND ALSO FROM TUBULAR SURFACE CONDENSERS."
Great difficulty has been experienced in extacting ferrules from tubes and also
the tubes from boilers and tubular surface condensers, the plates of the boilers or
tubular surface condensers being frequently injured by the operation.
By our Invention the operations are performed with the greatest ease and without
injury to the plates. To effect this end we provide a hollow spindle which is split
at one end. We make the hole in the split end conical to receive the conical end
of a rod, which is passed through it and screwed at its outer end to receive a nut,
whereby the cone can be drawn within the hollow spindle and the split end
expanded. A boss or collar is forged of suitable size at the split end of the spindle.
The hollow spindle is provided with a socket through which it is passed, and is
screwed on its outer end to receive a nut. This socket acts as a fulcrum during the
operation of extracting. In order to remove a ferrule the large or split end of the
spindle is passed through the ferrule and afterwards expanded by drawing the cone
within the conical hole in the split end of the spindle; by this meaus the boss or
collar projects behind the ferrule, by then turning the nut on the outer end of the
spindle with the socket against the face of the plate, thus forming the fulcrum, the
ferrule is withdrawn.
The operation for extracting tubes is similar to the above described.
We will now proceed to describe, with reference to the accompanying Drawing,
the manner in which our Invention may be performed.
Figure 1 represents in elevation, and Figure 2 in vertical section, a ferrule or tube
extractor constructed according to our Invention; Figure 3 is a section of the same
taken on the line A, B, of Figure 2; Figure 4 is a plan of under side of the same; and
Figure 5 is an elevation and plan of a portion of the same detached.
letters of reference indicate the same parts.
The same
The said apparatus or extractor consists of a light but strong shield or socket a,
in which a split, barbed, or shouldered spindle b slides. The said split and barbed
or shouldered spindle b is for the purpose of seizing or engaging with the ferrule
or tube to be extracted. The head or acting part b², at the split end of the spindle b,
is conical internally, and externally it has a shoulder b³ for engaging behind the
ferrule or tube to be extracted. The upper end of the spindle 6 is screwed, and a
screw nut e in front of the shield or socket a works on the said screwed end. On
the said spindle b is a key or feather 6, which works in the key-way a² in the
shield or socket a. By means of the said key and key-way b, a, the spindle b is
prevented from rotating in the shield or socket, the said spindle, when the nut c is
turned, sliding in the said shield or socket. In the axis of the tubular split spindle b
mechanism is placed for expanding the head b² of the split spindle b. This mechanism
consists of a rod c screwed on the upper end c, and provided with a hand nut d,
and having on its bottom end a wedge or conical piece with side fins or wings c', ct,
which fins or wings are situated between the split parts of the spindle, as seen in
Figures 1 and 4. By turning the hand nut din one or other direction the rod c
is made to slide into or out of the hollow spindle b, and the conical or wedge-shaped
piece drawn into or advanced out of the conical part in the head 2 of the spindle
so as to expand the said head b², or allow it to resume its normal or collapsed size.
In using the apparatus or extractor described for extracting or removing a ferrule
from a locomotive boiler, or for other like purpose, the head 62 of the split tubular
spindle b in its collapsed state, as shown in Figure 2, is passed through the ferrule
until the shoulder is situated beyond the inner face of the ferrule. The hand
nut d is then turned in the direction proper to cause the wedge shaped or conical

page_text: end of the rod c to be drawn into the head be of the hollow spindle b; the said
head is thereby expanded and its shoulder 3 is made to project behind the ferrule
to be extracted. The enlarged end of the shield or socket a, being made to bear
against the plate containing the ferrule the nut e is turned on the screwed end of
the spindle so as to draw the head of the spindle towards the shield or socket a;
the ferrule is thereby withdrawn by the shoulder b³ of the head of the spindle, the
socket or shield a forming the fulcrum or support for the extracting mechanism.
The tubes of steam boilers and condensers are extracted in the manner described
with respect to a ferrule.
The apparatus described and represented may also be used as a holdfast in lifting
heavy cubes or blocks of iron, stone, or concrete, and for seizing and carrying large
iron balls and other articles, the said apparatus being furnished with a link nut
instead of the ordinary nut c. When applied to these purposes the head of the
split spindle is passed through a hole in the body to be lifted. The shoulder b³ is
then expanded by turning the nut d, and made to engage with the article or body
to be raised. The article or body is liberated by turning the hand nut d in the
proper direction to slacken the wedge or conical piece in the head 6 of the
spindle.
Having now described the nature of our Invention, and the manner in which the
same is to be performed, we wish it to be understood that we do not limit ourselves
to the precise details herein described and illustrated, as the same may be varied
without departing from the nature of our Invention; but we claim as our Invention
the improvements in the means or apparatus for extracting tubes and ferrules from
locomotives and other tubular boilers, and also from tubular surface condensers,
herein-before described and illustrated in the accompanying Drawing, that is to
say, the combination of the split and shouldered hollow spindle b, 62, 63, and
expanding central rod c, c², c³, c', with the outer shield, socket, or fulcrum a, the
said parts being constructed, worked, and used for the purpose, and substantially as
described and illustrated.
In witness whereof, we, the said William Wilson Weatherburn and Robert
Weatherburn, have hereunto set our hands and seals, this Twenty-ninth day
of December, in the year of our Lord One 'thousand eight hundred and
seventy-six.
Witness,
GEORGE JACKSON,
Leeds.
WILLIAM WILSON WEATHERBURN. (L.S.)
ROBERT WEATHERBURN.
(L.S.)