Method and Arrangement for the Manufacture of Coarse Cross- woven Textures.
Year: 1895

page_text: Date of Application, 13th Feb., 1895-Accepted, 15th June, 1895
COMPLETE SPECIFICATION.
Method and Arrangement for the Manufacture of Coarse Cross-
woven Textures.
I, VICTOR GÜNTHER, Workmaster, of Altgersdorf, Kingdom of Saxony, 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 :-
In the arrangement of the apparatus hitherto in use for the production of net
textures there were a number of disadvantages to be overcome.
On the one hand the gear, called spare gear, which was necessary for all these
textures on account of the various inter crossings, was in itself already expensive,
on the other hand it was worn out to such an extent in a relatively short time that
it often had to be repaired.
A second disadvantage consisted in the fact that not every material could be
used in the manufacture of the texture, because it suffered greatly in the process;
thirdly, in the manufacture of turned textures according to the method hitherto in
use shuttles of any size could not be employed, but one was obliged to confine one's
self to the use of small shuttles only.
All these disadvantages are completely overcome by my new arrangement, which
we shall now describe and which is illustrated in annexed drawing.
Figure 1 of the drawing shows the apparatus in projection in a front-view and
Fig. 2 in a side-view.
The apparatus contained in a frame consists primarily of the two parts A and B
arranged one above the other and provided with needles a b. A and B replace the
shafts usual in every ordinary loom.
The upper part A consists of a lath studded with a row of needles a a. This.
part is, as has already been stated, guided in a frame by the aid of small rollers
and is moved up and down in this frame by means of an eccentric mechanism, not
shown in detail in the drawing and which is in connection with the treadle motion
usual in linen-looms.
The lower part B consists of a wooden lath d, to which the needles 6 are secured.
and which is strengthened by iron rails c. This part is mounted on rollers f and on
these can be moved to the right and left, the buffer rails gg regulating the extent.
of the lateral motion.
This lateral motion to the one side-in the drawing in Fig. 1 to the right-is
caused by a treadle-arrangement in the following manner.
On the shaft à bent at right angles and set in motion by the treadle i there is
laterally a heart-disk k, against which rests the little roller of the lever m which
turns on a hinge. From this lever a chain, in which is inserted a spring n, passes
over a roller o to the part B, to which it is attached.
If by means of the treadle-arrangement the shaft is made to rotate, the disk k
is also made to turn with it, and, in consequence of its shape, imparts an oscillating
motion to the lever m, which is transmitted by the chain to the part B; on the
treadle being pressed down, the latter is drawn so far to the right until it strikes
against the stop g on the right.
In the meanwhile the heart-disk has continued to rotate, so that the narrower
part of it points downwards. Now the spring n begins to act and draws the lever
again upwards.

page_text: The part
B in the meanwhile has remained in its right starting position. Now
a second spring p, which is attached to the left in front of the part B and is
connected with it by a chain passing over a roller, begins to act. This spring
draws the part B so far to the feft, until it strikes against the other rail g'.
This alternate motion to the right and left of the part B is repeated at each
rotation of the shaft or heart-disk.
The main and threads are now wound up on the opposite rollers C C, and as
shown in Fig. 2 drawn through the needles.
The part A is now drawn upwards by the treadle-arrangement, and then comes
to a stop. Thereupon the part B is moved to the right, until it strikes against the
lath g, and then the upper part is lowered again so that the upper threads pass to
the left below the lower threads when the woof is shot.
Thus the same procedure is repeated until the texture is finished.
The apparatus may be attached with ease to all looms in use up to the present,
whether they are worked by mechanical means or by hand.
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 :
Apparatus and method for the manufacture of coarse cross-woven textures,
distinguished by the arrangement of two parts A and B, lying one above the other
and supplied with needles for the reception of the threads, the part A being able
to slide vertically and the part B horizontally in such a manner that by the
alternate rising and sinking of the upper part and a corresponding alternate right
and left-motion of the lower part, the warp is brought into a suitable position for
the shooting of the woof.
Dated this Fifth day of February 1895.