An Improved Appliance for Testing Yarn.
Year: 1895

page_text: Date of Application, 31st May, 1895-Accepted, 13th July, 1895
An Improved Appliance for Testing Yarn.
I, ARNOLD SCHAER, of Warren, in the County of Bristol, State of Rhode
Island, United States of America, Manager, 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 apparatus used to find the number or size of yarn for
the use of spinners, weavers and others.
Heretofore the ordinary way of obtaining this number has been to reel off a
certain number of yards of the yaru to be numbered, and then weighing this
sample on a grain scale, and by calculations based on the number of grains of the
sample weighed, find out the number of the yarn. Or by the use of the quadrant
scale which required a large amount of yarn to obtain any accuracy.
My object is to facilitate the operation of finding the number of the yarn and
lessen the liability to make mistakes. This is accomplished by graduating the
scale beam for weighing the yarn, into divisions so proportioned and numbered that
the mark indicated by the sliding pea right for that material on the beam, will
indicate the number of the yarn, so that it can readily be seen at a glance without
making any calculation, thereby saving time and avoiding the liability of making
mistakes.
In the accompanying drawing
Figure 1 represents the scale beam with its proportional divisions, and a pea of
the right weight, 12 grs. for cotton yarns or for spun silk, for 120 yd. skein.
Figures 2, 3, and 4, represent peas of the proper weight to use on the same scale
beam, for woollen, worsted and linen yarns, respectively 6% grs. for 120 yd. skein
wool; 18 grs. for 120 yd. skein worsted; 35 grs. for 120 yd. skein linen.
The scale beam A, is preferably made of aluminium, as the lighter it is the more
quickly it will turn on its pivot and the more accurate the weight will be. B, is
the hook upon which the yarn to be weighed is hung. The divisions b, on the
scale beam A, start from 20, although they may go down to ten or 2 for very
coarse yarns, and go up to 300 or higher for very fine yarns, and are so
proportioned to each other that if a hank of 120 yards of cotton yarn or spun silk is
hung on the hook B, and balanced by the pea for those materials, the number
indicated by the middle mark on the pea S, will be the number of the yarn.
Cotton and spun silk are of the same class number and the same pea answers for
weighing both. For other yarus, as, for example, woollen, worsted and linen, peas
are provided having the same proportional weight to the pea used for cotton and
to each other, as the class numbers of those materials, have to cotton and each
other, which proportions are closely approximated in the following weights; which
will give the number for the same length of sample and same graduation.
For cotton 12 grains, woollen 61 grains, worsted 18 grains, linen 35 grains.
These weights may all be used on the same proportionally divided scale beam, with
the same length 120 yards, of the different yarns, and the number of each yarn will
be the number that the weight or pea indicates when the scale is balanced. For
samples of shorter lengths, weights in proportion to those lengths are provided.
By cutting a sample of cloth to a size proportional to its count of threads or picks
per inch, so as to contain 120 yards of yarn, it can be weighed on the scale and the
number of the yarn in the piece shown, the same as in the case of the yarn above
described, or if cut to any proportional part of the width or length the scale will
show the same proportional weight.

page_text: Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what I
claim is :-
•
1st. A scale beam having the divisions on it made in the same proportion to each
other as the difference in weight found between the hanks of yarn of the same
length but of different numbers in size, in combination with a sliding pea or weight,
substantially as described.
2nd. A scale beam having the divisions on it made in the same proportion to each
other as the difference in weight found between hanks of yarn of the same length
but of different numbers in size, in combination with a sliding pea of the proper
weight according to what the material may be to indicate the number of the yarn
weighed by the number of the division on the beam, substantially as described.
3rd. A set of pea weights, proportioned to the basis of numbering of any textile
material; the said peas bearing the same relative proportion in weight to each
other, that the numbering of the same materials do to each other, in combination
with a scale beam divided substantially as described.
Dated this 31st day of Man 1895
HASELTINE, LAKE & Co.,
45 Southampton Buildings, London, W.C., Agents for the Applicant.