Improvements in Warp Sizing Machines.
Year: 1889

page_text: COMITEIN
DIECIFICATION.
Improvements in Warp Sizing Machines.
I, RICHARD WOODFORD GODDARD, of Osborne Mill, Bradford, in the County of
York, Warp Sizer, 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 :-
This invention relates to that class of machines wherein the warp after being
sized, leaves the pressing rollers in a horizontal direction.
The squeezing rollers within the size box on such machines have hitherto been
constructed so as to extend almost the entire length of the said boxes both rollers
being covered with flannel or similar soft material, and one receiving rotary motion
by being coupled with suitable gearing to the driving shaft of the machine; the
shaft or axle of the other roller being geared to the first named by toothed or
frictional wheels.
In order to squeeze the warp properly, contact must be made along the whole
length of the covered rollers, and the pressure of the one upon the other is
accomplished by levers and weights in the ordinary manner.
In practice it is found that unless the two squeezing rollers are covered so that
the diameters are accurately equal, the circumferential speed of the two is not the
same, thereby damaging the warp threads to an extent proportionate to the variation,
and in addition destroying the covering of the rollers. By gearing the rollers in the
manner described, they make an equal or proportional number of revolutions, but by
the circumference of one going quicker than the other, the tendency is for one to
deliver more yarn or warp threads than the other, thereby endangering the breakage
of the same by the other retarding the delivery; or the reverse may be the case, and
too much yarn delivered so that the requisite tension of the yarn is not maintained
whilst passing through the drying box or chamber.
In my improved arrangement I dispense with the gearing between the two rollers
altogether, and allow the frictional contact alone of the positively driven roller to
drive the other. By this means I find that the flannel covers on the rollers last much
longer, thereby saving time, labour and expense, and reducing the liability of damage
to the yarn or warp threads.
In the accompanying drawings,
Fig. 1. represents an end view of the size box end of a warp sizing machine made
according to my invention.
Fig. 2. is a front view of the same, the size box being in section, and
Fig. 3. is a cross section through the size box and rollers.
The size box A. may be supported by attachments to the end frames B. in any
convenient manner, and the rollers C. and D. carried in journals placed between the
slotted openings E. of end frames B. each roller axle resting in a suitable bush as
at F.
The rollers C. and D. are by preference covered with flannel or other like material,
and the former is rotated by shaft G. through the bevel wheels H. the other roller 1).
which may be coated or formed of copper or other metal and unconnected by either
toothed or frictional gearing with the roller C. is kept in squeezing contact therewith
in the following manner.
The roller D. is free to move in the slotted openings E. and is kept in squeezing
contact with the other roller C. by means of levers and weights placed at each side
of the machine. In each frame B. is mounted a lever J. one arm of which is in
contact with a projection on bush F. and to the other arm is attached a rod K.
connecting the lever J. to another lever L. on which is placed a weight W. by which
the rollers C. and D. are kept in such frictional contact, that the superfluous size is

page_text: removed from the yarn or warp threads Y. and the roller D. driven by its frictional
contact with the roller C. at the same surface or circumferential speed irrespective of
the relative diameters; thus reducing the liability of damage to the warp threads by
excessive tension or by not having the necessary tension whilst passing through the
drying box or chamber, dispensing with toothed or frictional gearing between the
two rollers, and preserving the coverings of the rollers.
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 :
In a warp sizing machine the combination of the rollers C. and D. placed in a
horizontal position and unconnected with toothed or frictional gearing, combined with
the levers K. and L. and weights W. substantially in the manner as and for the
purpose described.
JOHN WAUGH,
Agent.