Improvements in and relating to Sizing Machines.
Year: 1894

page_text: Date of Application, 25th Apr., 1894
Complete Specification Left, 15th Sept., 1894-Accepted, 20th Oct.,
1894
PROVISIONAL SPECIFICATION.
Improvements in and relating to Sizing Machines.
I, JAMES SMITH HARGREAVES, of Spring Mills Heywood in the County of
Lancaster Manufacturer do hereby declare the nature of this invention to be as
follows:-
-
My invention relates to sizing machines or slashers in which the yarn is drawn
from one or more yarn beams and after passing through the sow box is taken to
steam heated drying cylinders and thence to the weaver's beam on which it is
wound. My invention has for its object an improvement in the method of delivering
the yarn from the several beams to the sow box and in an improved method of
guiding the yarn to and around the drying cylinders.
In carrying my said invention into effect I provide a number of delivery rollers
one for every beam containing warp to be sized and place them one above the other
in front of the sow box. This enables the ends from each beam to be kept distinct
and separate so that they enter the size in a much better manner and in a more
open condition. The rollers are suitably mounted so that the yarn from each beam
is delivered with an even tension. After the warp has passed through the size and
is leaving the squeezing roller it is taken to the drying cylinders. Of these there
are two one of larger diameter than the other. It is usual first to take the warp
over the larger cylinder which is placed behind the smaller one. By this proceeding
there is a considerable length of warp between the squeezing roller and the point at
which the warp comes in contact with the cylinder which sometimes leads to a
curling up of the warp threads when the machine is stopped thus causing them to
become entangled. In my invention I place the larger cylinder nearer the size
box so that the warp passes at once and with a much shorter course directly on to
the large cylinder. The course of the warp is arranged to be nearly all round the
surface of the large cylinder thence over a roller placed in a convenient position
and under the large cylinder finally being conducted over the surface of the small
cylinder in the ordinary way. By this arrangement I am enabled to obtain a more
direct course of the warp from the squeezing rollers to the cylinder and to pass it
over a large portion of the cylinder surface. It will be understood that the guide
rollers can be easily arranged to give more or less drying effect.
Dated this 25th day of April 1894
JAMES SMITH HARGREAVES,
Applicant.
COMPLETE SPECIFICATION.
Improvements in and relating to Sizing Machines.
I, JAMES SMITH HARGREAVES of Spring Mills Heywood in the County of
Lancaster Manufacturer, 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 :-
My invention relates to sizing in machines or slashers in which the yarn is drawn
from one or more yarn beams and after passing through the size or sow box is
taken over the surface of steam heated drying cylinders and thence to the
weaver's beam on which it is wound. My invention has for its object an improve-
ment in the method of delivering the yarn from the several beams to the sow box
EDO37

page_text: .
and in an improved method of guiding the yarn to and around the drying cylinders.
In order that my said invention may be better understood and the more easily
carried into effect I have hereunto annexed a sheet of drawings in which I
show in Fig. 1 in side elevation so much of a sizing machine as is necessary to
illustrate my said invention: and in Fig. 2 I give a diagrammatic representation
of the ordinary relative position of the cylinders and rollers.
I take the warp threads-hereinafter called the yarn-from the beams A which
are sustained in the ordinary manner. I arrange in front of the sow box in which
the sizing material is contained a series of rollers B1 to B placed one over the
other and borne in brackets fixed to the framework of the machine at each side of
the same.
The rollers are the full width of the sow roller and are so carried in
their bearings as to be a little separated from each other. The yarn contained on
each beam is drawn from it and drawn over one of the rollers B as shown so that
each of the sets of yarns 1 to 6 are separated from the rest until they enter the sow
box and pass under the sow roller C. I do not show in my drawings the sow box
but its position is well known to those conversant with the machine. The result of
this arrangement is that the separate sets of yarn are kept in even tension and are
not entangled with each other thus permitting a freer and better penetration of
the size.
.
After the yarn leaves the sow box and has passed through the squeezing
rollers D they are taken directly to the larger drying cylinder. It is the common
practice as shown in Fig. 2 to place the drying cylinder with the larger diameter E
behind that of smaller diameter F and to carry the yarns from the squeezing
rollers D above the smaller cylinder F to the larger cylinder E thence guiding
them partially round the surface of the larger cylinder and subsequently over the
smaller cylinder to the beat on which they are wound. The principal objection to
this procedure is that in consequence of the comparatively long distance the yarn
has to travel before reaching the cylinder E it becomes curled and entangled and is
not so well fitted for subsequent use. In my invention as shown in Fig. 1 I place
the larger of the two cylinders E immediately behind the sow box and the smaller
cylinder F behind E. In this way I pass the yarn on to the cylinder E at the
point G which is comparatively near to the squeezing rollers D and thus avoid
the liability to curling and entanglement common to the ordinary arrangement.
The yarn is taken almost completely round the cylinder E and is then guided
by the rollers H, I, J, K to the smaller cylinder F round a portion of the surface
of the said cylinder F and thence over the guide roller L to the beam upon which
it is wound in the ordinary way. The direction followed by the yarn is indicated
by arrows. By this arrangement I am able to keep the sized yarn in contact with
a larger portion of the drying surface and thus dry it more rapidly and effectually.
The position of the guide rollers can be adjusted to give more or less contact of the
yarn with the surface of the cylinders.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
1. The combination with a sizing machine of rollers for separating and guiding
the yarn arranged in the manner and for the purpose substantially as described and
illustrated.
2. Separating and guiding the yarn in a sizing machine in the manner and for
the purpose as described and illustrated.
DL 1
1
1001
J. S. HARGREAVES.