Improvements in Apparatus for Use in the Manufacture of Fancy Yarns.
Year: 1894

page_text: Date of Application, 7th May, 1894
Complete Specification Left, 19th Sept., 1894-Accepted, 20th Oct., 1894
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Use in the Manufacture of Fancy
Yarns.
1, JOHN ROBERT CUDWORTH, of Chald Mills, Wakefield, in the County of
York, Worsted Spinner, do hereby declare the nature of this invention to be as
follows
--
This invention relates to cork-screw and spiral yarns heretofore produced through
the employment of duplicate pairs of rollers having different speeds to admit of the
requisite twist being put into the yarns or "ends as doubled.
יי
According to this my said invention in the production of yarns as aforesaid, I
employ one pair of rollers only, and one of said rollers has a groove or recess
therein.
One of the yarns or ends to be doubled passes from the supply bobbin to the plain
part of the grooved or recessed roller.
The other yarn or
"end" is received within, and has one turn around the grooved
or recessed part of the said roller, and so one pair of rollers serve to guide both
yarns or ends, and by reason of the differences in diameters of the plain part and
of the grooved or recessed part of the said roller, the requisite variation in speed
and delivery of the yarns or ends to the flyer or twister is provided, and according
to the depth of the groove or recess, so is the variation of speed.
The back pair of rollers heretofore necessary and the gear connected therewith is
dispensed with.
In some cases we find it advantageous to employ a layer of india rubber, leather,
felt, or woven material in the bottom of the groove or recess of the grooved roller,
for purpose of increasing the friction and drag on the yarn.
Dated this 5th day of May 1894.
BRIERLEY & HOWARD,
Penny Bank Chambers, Halifax, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Use in the Manufacture of Fancy
Yarns.
I, JOHN ROBERT CUDWORTH of Chald Mills, Wakefield, in the County of
York, Worsted Spinner, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement :-
33
This invention relates to improvements in the manufacture of cork screw and
spiral yarns heretofore produced through the employment of duplicate pairs of
rollers having different speeds to admit of the requisite twist being put into the
yarns or "ends as doubled and invention consists in the employment of one pair
of rollers only, one of such rollers being grooved, recessed, or in part turned down
so as to reduce its diameter and thus give the requisite variation in speed and
delivery of the yarns or ends.
Such being the nature and object of my said invention the following is a
complete description of same, reference being had to the accompanying drawings in
which :-
Fig. 1 is an end elevation of a pair of rollers constructed according to my
invention shewing also a part of the creel or bobbin stand and flyer.

page_text: Fig. 2 is an end view of the pair of rollers the end of the upper roller being
turned down to a less diameter.
Fig. 3 illustrates a like pair of rollers the upper one having a groove cut therein
in lieu of reducing the diameter of the end of the upper roller as at Fig. 1.
Fig. 4 is an end view of Fig. 2 shewing the turn of the yarn around the recessed
or the grooved part of the roller in order to ensure the requisite friction and drag
on the yarn to draw the yarn or end from the creel.
According to this my said invention in the production of yarns as aforesaid I
employ one pair of rollers only, and one of said rollers has a groove or recess
therein or a part of its length turned down to a less diameter.
One of the yarns or "ends" 1 to be doubled, passes from the supply bobbin 2 to
the plain part of the grooved or recessed roller 4.
The other yarn or
"end" 5 is received within, and has one turn around, the
grooved, recessed or turned down part 6 of the roller 4, and so one pair of rollers 4
and 7 serve to guide both yarns or ends 5 and by reason of the difference in
diameter of the plain part 4 and of the grooved, recessed or turned down part 6
of the roller 4, the requisite variation in speed, and delivery of the yarns, or
ends 1, 5 to the flyer or twister 8 is provided, and according to the depth of the
groove or recess 6 so is the variation of speed and delivery.
The back pair of rollers heretofore necessary and the gear connected therewith
is dispensed with.
In some cases we find it advantageous to employ a layer of india rubber, leather,
felt, or woven material 9 in the grooved or recessed part 6 of the grooved roller 4
for purpose of increasing the friction and drag on the yarn.
Having now particularly described and ascertained the nature and object of
my said invention and in what manner the same is to be performed, I declare
that what I claim is :-
In the manufacture of yarns of the class referred to the rollers 4 and 7 one of
said rollers being recessed, turned down or grooved or having two different
diameters as and for the purpose herein fully described.
Dated this 8th day of September 1894.
JOHN ROBERT CUDWORTH,
By his Agents, Brierley & Howard,
Penny Bank Chambers, Halifax.