IMPROVEMENTS IN THE CONSTRUCTION AND MANUFACTURE OF BOBBINS AND SPOOLS EMPLOYED PROVISIONAL SPECIFICATION
Year: 1882

page_text: LETTERS PATENT to Law Heppenstall junior of Milnsbridge near Huddersfield
in the County of York Manufacturer for an Invention of "IMPROVEMENTS IN
THE CONSTRUCTION AND MANUFACTURE OF BOBBINS AND SPOOLS EMPLOYED
PROVISIONAL SPECIFICATION left by the said Law Heppenstall, junior, at
the Office of the Commissioners of Patents on the 23rd November 1882.
LAW HEPPENSTALL Junior of Milnsbridge, near Huddersfield in the County of
York Manufacturer " IMPROVEMENTS IN THE CONSTRUCTION AND MANUFACTURE
OF BOBBINS AND SPOOLS EMPLOYED IN THE MANUFACTURE OF TEXTILE FABRICS
"
My Invention consists in making bobbins and spools of cast metal instead of
wood as hitherto.
Bobbins and spools so manufactured are cast with one or more pegs on the
bobbin instead of the staples now employed for the purpose of preventing the
bobbin or spool from running around upon the spindle when yarn is being wound
thereon. I also form by cores or other means the necessary notches and grooves
which are required by the shuttle spring for holding the bobbin therein. In order
to reduce the weight of these metal bobbins or spools I form slots or partitions in
them by means of cores or chills when casting.
The metal of which they are composed may be made into malleable iron or
otherwise hardened and tempered to prevent breakages.
By this means the bobbins or spools are much stronger and more durable than
the wood one at present in use.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Law Heppenstall, junior, in the Great Seal Patent Office on the
23rd May 1883.
"
LAW HEPPENSTALL Junior, of Milnsbridge near Huddersfield in the County of
York, Manufacturer "IMPROVEMENTS IN THE CONSTRUCTION AND MANUFACTURE
OF BOBBINS AND SPOOLS EMPLOYED IN THE MANUFACTURE OF TEXTILE FABRICS
My Invention consists in making bobbins and spools of cast metal, sheet iron, or
tin instead of wood as hitherto.

page_text: Bobbins and spools so manufactured are cast or made with one or more pegs or
slots on the bottom instead of the staples now employed for the purpose of
preventing the bobbin or spool from running around upon the spindle when yarn
is being wound thereon. I also form by cores or other means, the necessary
notches and grooves which are required by the shuttle spring for holding the
bobbin therein.
Such being the nature and object of my Invention I will now proceed to describe
same more fully; and by the aid of Drawings to illustrate the peculiar form and
construction of bobbin which in practice I have found to answer very well. Fig 1
is elevation of a twisting bobbin used in the woollen trade, and Fig 2 is section of
same, and is composed of an inner and outer shell and formed with a slot a
for fitting onto a corresponding part on the flange of the spindle so that the bobbin
cannot run around without the spindle. Fig 3 is a weavers bobbin also provided
with a slot a for the same purpose as the one previously explained, it is also
provided with a slot or opening 6 (see Fig. 4) into which fits the shuttle spring for
holding the bobbin in the shutte whilst weaving. Fig 5 illustrates a spool formed
with a flat bottom c but indented or recessed with slots as shewn in black line in
plan view Fig 6. Another form of spool used in the worsted trade is shewn in
-Fig. 7 and Fig 10.
A warping bobbin is shewn at Fig 8 and in consequence of its being composed
of thin metal, the barrel d is much smaller than those made of wood, whereby
a much greater quantity of yarn can be wound thereon, than could possibly
be done upon a thick wood barrel. Fig 9 illustrates a bobbin used in the silk
trade, which by means of a thin metal barrel possesses the same advantages as
the warpers bobbin previously explained. When the bobbins and spools are made
of cast metal they may be made into malleable iron, or otherwise hardened and
tempered to prevent breakages and in order to reduce the weight, slots or
partitions are formed by cores or chills in the sides of the said bobbins.
When the bobbins are composed of sheet metal or tin, the barrels are in all cases
smaller, consequently more yarn can be wound thereon than when made of wood.
The parts forming the bobbins are cut or punched out by means of suitably shaped
dies, and afterwards soldered and brazed.
Having now shewn and described my Improvements, and the manner in which
the same may be carried into practical effect, I would have it understood that I do
not confine myself to the exact details herein shewn and described, as some of them
may be varied without departing from the peculiar character of the Invention, but
what I consider new and therefore claim as my Invention is
The manufacture of metal bobbins provided with slots a and b in manner and
for purposes substantially as herein shewn and described.
In witness whereof I the said Law Heppenstall, Junior have hereunto set my
hand, and seal this twenty second day of May, in the year of our Lord, One
thousand eight hundred, and eighty three.