IMPROVEMENTS IN THE UNDER COVERINGS OF THE CYLINDERS OR ROLLERS OF SPINNING MACHINERY
Year: 1882

page_text: LETTERS PATENT to Benjamin Joseph Barnard Mills of the firm of Harris
and Mills of 23 Southampton Buildings in the County of Middlesex Patent
Agent for an invention of IMPROVEMENTS IN THE UNDER COVERINGS OF THE
CYLINDERS OR ROLLERS OF SPINNING MACHINERY A communication from
abroad by Louis Cunit and Jules Culty both of St. Etienne in the Department
of the Loire in the Republic of France
COMPLETE SPECIFICATION filed by the said Benjamin Joseph Barnard Mills
at the Office of the Commissioners of Patents on the 18th August 1882.
BENJAMIN JOSEPH BARNARD MILLS of the firm of Harris and Mills of
23 Southampton Buildings in the County of Middlesex Patent Agent
IMPROVEMENTS IN THE UNDER COVERINGS OF THE CYLINDERS OR ROLLERS OF
SPINNING MACHINERY A communication from abroad by Louis Cunit and Jules
Culty both of St Etienne in the Department of the Loire in the Republic of
France
The under coverings of cloth hitherto employed underneath the exterior leather
coverings of the cylinders or rollers of spinning machinery felt and harden
rapidly in use, they then lose their original elasticity and require to be frequently
renewed.
The inventors have in their experiments substituted for the cloth used as above,
elastic fabrics in form of ribbons and composed of three warps the two exterior
warps are of wool and the middle one of india rubber thread the weft being of
cotton or other textile material.
These fabrics manufactured like ordinary elastic fabrics have given good results
as to wear and work.
Nevertheless the irregularities of tension of the india-rubber thread which it is
impossible to avoid in weaving and which are without importance for ordinary
fabrics required to stretch upon their width have for the present application the
grave defect of injuring the regularity of elasticity in thickness which is the
fundamental point of the matter.

page_text: The inventors have entirely obviated this defect by the improvement which
forms the subject of the present invention.
It consists in the association with the india rubber thread of a thread of cotton
or other fibrous material doing exactly the same work as the india rubber, the
volume of which, so to speak, it augments. The presence of this thread gives to
the fabric a thickness favorable to elasticity, but its important function is to
accompany the india rubber thread and to be one with it and consequently to
hold it more fixed in the body of the fabric in order to obviate the irregularities
of tension in length which were previously manifested by the irregularities of
thickness.
Independently of these advantages the presence of this thread held tightly
stretched remarkably facilitates the entrance of the batten of the loom which
without it would tend to rebound in an article so much charged with warp.
The
manufacture is therefore rendered more easy and more continuous at the same time
that the product acquires all the qualities which it required.
Having thus described the nature of the said Invention and the mode in which
the same is carried into effect I would have it understood that what I claim is the
introduction of a thread of cotton or other fibrous material adherent to the thread
of india rubber, in the manufacture of elastic fabrics intended to be used as under
coverings for the cylinders or rollers of spinning machinery substantially as herein
described.
In witness whereof I the said Benjamin Joseph Barnard Mills have hereunto
set my hand and seal this Eighteenth day of August in the year of Our Lord
One thousand eight hundred and eighty two.
B. J. B. MILLS (L.S.)