IMPROVEMENTS IN HAND OR POWER LOOMS
Year: 1858

page_text: by the Act.)
PROVISIONAL SPECIFICATION left by Charles de Poorter at the Office
of the Commissioners of Patents, with his Petition, on the 14th July
1858.
I, CHARLES de POORTER, of Brussels, in the Kingdom of Belgium, do
hereby declare the nature of the said Invention for "IMPROVEMENTS IN HAND
OR POWER LOOMS," to be as follows:-
The said improvements in hand or power looms refer to weaving silk, wool,
flax, or cotton cloth or tissue for producing double stuffs by using several
warps, treadles, and shuttles; they are also applicable to ribbon or lace looms.
Some of the tissues produced by using the said improvements are suitable
for coating with oil paints or varnish on one side, the other side having the
appearance of a strong supple cloth, and in that state they may be used with
some advantage as substitutes for leather for the manufacture of boots, shoes,
and other similar articles.
The first improvement consists in applying directly shuttle driving rods
to power loom battens, which hitherto were separated from them, as shown,
Fig. 1 of the annexed Drawing.

page_text: The second improvement consists in a new process for stretching out the
warp and woven cloth on the hand or power looms by a contrivance, the effect
of which is to mantain the warp or warps at a regular and constant
tension during their unrolling from their beam, and to roll up with a like
tension the cloth as it is woven by yielding to the warp threads at the
moment they open for the shuttle's passage, as shown, Fig. 2.
The third improvement consists in applying to hand or power looms several
new processes, which allow weaving by merely raising and lowering (tisser a
lève et a baisse) many kinds of tissues, which hitherto have been produced
only on the old band looms by using either cording (armures) jacquards
apparatus or drawing the blades by the help of a great many treadles and all
their appendages. This third improvement consists of three things,-1st,
applying in the whole breadth of the loom a long iron roller or drum
furnished with moveable stops, and suitably divided in its circumference ;
2nd, the application of small beams, carrying pulleys or small levers for
hanging the blades thereon, as shown, Fig. 3, for raising the warp threads;.
3rd, applying on the long roller lifts or stops for working the shuttle warp or
shuttle box.
The fourth improvement consists in new processes for working or effecting
the raising, lowering, or stoppage of the shuttle boxes that slide in suitable
apertures and guides of the batten, and also in applying on the driving shaft
of the loom a bevel wheel gearing with a similar one fixed on a small shaft
having a worm cut round it, which worm actuates a tooth wheel carrying a
disc, divided into as many parts as the tooth wheel, and moving freely on their
shaft, a treadle being hung under the disc with a roller touching the cir-
cumference of the said disc, which bears as many thin segments of a circle as
there are shuttle boxes; the segments work the lowering of the treadle
by corresponding to levers which operate the raising of the shuttle boxes
when the treadle's roller leaves one or several of the segments mentioned, as
shown Fig. 4.
The fifth improvement consists in applying a steady and motionless stretcher
to any loom working with a regulator, the points of which stretcher are
engaged in the edges of the tissue in a straight line, imparting during the
weaving action the forward motion of a leather or gutta percha strap provided
with fine points and suitably disposed, as shown Fig. 5.
The sixth improvement consists in transforming the old ribbon or lace loom
into a new one by doing away with all the partial warp or ribbon beams or
rollers with their pulleys and counterpoises, and giving to such looms a

page_text: single warp beam and a single cloth rolling beam, as in common looms, and
by subdividing the warp threads in a reed in as many portions as each ribbon
is to contain of these threads, and applying my improved stretcher on both
beams, as shown Fig. 6.
The said improvements here above described may be applied either
separately or in combination with one another, according to the kind of tissue
to be produced.