IMPROVEMENTS IN THE MANUFACTURE OF YARN
Year: 1880

page_text: LETTERS PATENT to William Robert Lake, of the Firm of Haseltine, Lake,
& Co., Patent Agents, Southampton Buildings, London, for an Invention of
"IMPROVEMENTS IN THE MANUFACTURE OF YARN." A communication from
abroad by Josef Riessberger, of Vienna, Austria.
PROVISIONAL SPECIFICATION left by the said William Robert Lake at tho
Office of the Commissioners of Patents on the 30th June 1880.
WILLIAM ROBERT LAKE, of the Firm of Haseltine, Lake, & Co., Patent Agents,
Southampton Buildings, London. "IMPROVEMENTS IN THE MANUFACTURE OF
YARN." [A communication from abroad by Josef Riessberger, of Vienna, Austrin.]
Hitherto yarn containing a mixture of wool and cotton has been made by
mixing the loose woollen fibres and the loose cotton fibres, and then carding and
spinning them in the manner usual in the manufacture of carded woollen yarn
after first adding a considerably quantity of oil. This kind of yarn has been well
known in the trade under the name of "Vigogne" yarn.
The present Invention differs essentially from this process, not only in the fact
that my Invention is applied to the manufacture of yarn containing combed wool
or worsted instead of carded wool, but more especially in the fact that the loose
cotton fibres and woollen fibres are not mixed on the carding engine as is the case
in spinning Vigogne yarn, but that separate bands or slivers are first made from
the combed wool and from the carded cotton, and that theso separate worsted
slivers and cotton slivers are afterwards combined and mixed in the further course
of the manufacture.
In order to cause this Invention to be well understood I will now proceed to
describe the same more particularly.
The cotton which has been opened by a machine in the usual manner, and to
which a downy condition has been thereby imparted, is brought upon a machine
which first forms it into laps and then into slivers without injuring the length of
the fibres. The slivers are thereupon passed through different drawing frames,
which lay the cotton fibres parallel to each other and make slivers of regular
breadth. These cotton slivers are now brought together with the combed worsted

page_text: slivers on a doubling and mixing frame, which has to mix the long combed wool
or worsted fibres with the shorter cotton fibres and form regular bands, so that the
combed wool and the cotton shall together form a single well-drawn band or
sliver.
The proportion of the cotton slivers to the worsted slivers is varied according to
the percentage of cotton desired in the yarn.
The band or sliver mixed in this way is now passed over a number of ordinary
roving frames as used in the ordinary worsted manufacture, and a roving of
successively decreasing thickness is formed in the manner usual. in worsted
manufacture.
The roving so produced can be spun on any ordinary spinning frame to a yarn,
the fineness of which depends upon the thickness of the roving used.
According to the present Invention mixed yarn suitable for the trade has been
made containing 60 per cent. of wool and 40 per cent. of cotton.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said William Robert Lake in the Great Seal Patent Office on the 28th
December 1880.
WILLIAM ROBERT LAKE, of the Firm of Haseltine, Lake, & Co., Patent Agents,
Southampton Buildings, London. "IMPROVEMENTS IN THE MANUFACTURE OF
YARN." A communication from abroad by Josef Riessberger, of Vienna, Austria.
Hitherto yarn containing a mixture of wool and cotton has been made by mixing
the loose woollen fibres and the loose cotton fibres, and then carding and spinning
them in the manner usual in the manufacture of carded woollen yarn after first
adding a considerable quantity of oil. This kind of yarn has been well known in
the trade under the name of "Vigogne” yarn.
"
The present Invention differs essentially from this process, not only in being
applied to the manufacture of yarn containing combed wool or worsted instead of
carded wool, but more especially in the fact that the loose cotton fibres and woollen
fibres are not mixed in the carding engine, as is the case in spinning "Vigogne
yarn, but are first made in separate bands or slivers from the combed wool and
the carded cotton, and these separato worsted slivers and cotton slivers are
afterwards combined and mixed in the process of manufacturo.
In order that this Invention may be well understood I will now proceed to
more particularly describe the same.
The cotton which has been opened by a machine in the usual manner, and to
which a downy condition has been thereby imparted, is brought to a machine
which first forms it into laps and then into slivers without impairing the length of
the fibres. The slivers are thereupon passed through different drawing frames,
which lay the cotton fibres parallel to each other and make slivers of regular
breadth. These cotton slivers are now brought together with the combed worsted
slivers on a doubling and mixing frame, which has to mix the long combed wool
or worsted fibres with the shorter cotton fibres and form regular bands, so that
the combed wool and the cotton shall together form a single well-drawn band or
sliver.
The proportion of the cotton alivers, to the worsted slivers is varied according to
the percentage of cotton desired in the yarn.
The band or sliver mixed in this manner is now passed over ordinary roving
frames, and a roving of successively decreasing thickness is formed in the manner
usual in worsted manufacture.
The roving so produced can be spun on any ordinary spinning frame into a yarn,
the fineness of which depends upon the thickness of the roving used.
According to the present Invention mixed yarn suitable for the trade can be
made containing 60 per cent. of wool and 40 per cent. of cotton.
Having thus fully described the said Invention, as cominunicated to me by my
foreign correspondent, and the´maoner of performing the same, I wish it understood
that I claim,---
The process of making mixed yarn by forming separate slivers of worsted and of
cotton, then mixing these slivers on a doubling frame, then passing the mixed band
over roving frames, and finally spinning the roving so produced, substantially as
described.
In witness whereof, I, the said William Robert Lake, have hereunto set my
hand and seal, this Eighteenth day of December, in the year of our Lord