Improved Apparatus for Damping Warps in Looms.
Year: 1889

page_text: Date of Application, 1st July, 1889
Complete Specification Left, 20th Jan., 1890-Accepted, 22nd Feb., 1890
PROVISIONAL SPECIFICATION.
Improved Apparatus for Damping Warps in Looms.
1 JOHN LORD of Dawson Weir, Todmorden in the County of York, Mill manager
do hereby declare the nature of this invention to be as follows:-
My invention relates to apparatus for damping warps while in the loom and consists
in an improved construction of said apparatus which permits an easy regulation of
the damping according to the varying state of humidity of the atmosphere and enables
the weaver to stop the action of the apparatus without having to remove it from the
loom. By damping the warps in the loom, the objectionable practice of steaming in
weaving sheds is avoided.
The apparatus consists of a trough suspended by handles underneath the warp.
bearer over which the warp passes at the back of the loom and containing a roller to
which a piece of calico or other fabric is attached. The roller is made of perforated
sheet metal by preference of a non-corrosive kind, such as zinc, tinned copper or
similar material. It is provided with two pivots at the ends, one of which is round
and rests in a round hole in the end of the trough, while the other pivot is made round
next to the end of the roller and square for the remainder of its length and has a
handle or its equivalent fixed to it. The end of the trough at the handle side has a
square slot into which the square of the pivot can be pushed. By pulling the handle
and pivot out, the round part of the pivot passes into this square slot and the roller
can be turned round, while by pushing the handle in, the square of the pivot is
pushed into the slot and the roller locked in its position, a suitable catch being pro-
vided to hold the handle and prevent the roller from shifting. Other ordinarily used
means for fixing a roller in its position and releasing it for the purpose of turning it
round may be used instead of the arrangement described.
The piece of cloth attached to the roller bangs over the edge of the trough and has
at its end a rod roller or brush inserted into or attached to it. The trough is filled
with water through a suitable funnel at one end and the cloth after being wound on
the roller and thoroughly wetted, is unwound till it rests upon the side of the warp
beam having a downward rotation and damps the warp as it is being unwound, the
water taken from the cloth being replaced from the trough through the capillary action
of the cloth. By turning the perforated roller, a greater or shorter length of contact
between the cloth and warp and consequent variation of the dampness of the latter is
obtained, while by winding the cloth on to the roller till the rod roller or brush at the
end of the cloth is stopped upon the edge of the trough, the damping can be
entirely stopped without the weaver having to remove the trough or to get under the
loom.
Dated this 20th day of Tune 1880
COMPLETE SPECIFICATION.
Improved Apparatus for Damping Warps in Looms.
1, JOHN LORD of Dawson Weir, Todmorden in the County of York, Mill 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 :-
My invention relates to damping warps while in the loom and consists in an
improved construction of said apparatus which permits an easy regulation of the
damping according to the varying state of humidity of the atmosphere and enables

page_text: the weaver to stop the action of the apparatus without having to remove it from the
loom. By damping the warps in the loom, the objectionable practice of steaming
in weaving sheds is avoided.
On the sheet of drawings appended hereunto
Fig. 1 represents a section of the improved apparatus and warp beam.
Fig. 2 a back view of the same.
Fig. 3 an enlarged section of the ends of the trough showing details.
The apparatus consists of a trough a suspended by handles at the end or hooks bb
underneath the warp bearer c of the loom over which bearer the warp passes at the
back of the loom. The trough a contains a roller d to which a piece of calico e or
other fabric is attached. The roller is made of perforated sheet metal by preference
of a non-corrosive kind, such as zinc, tinned copper or similar material. The roller
may be a closed cylinder and the calico or other fabric fastened to it by stitching or
otherwise, but by preference I make it open on one side and fasten the calico or other
fabric to a round or other shaped rod of wood which is slipped into sockets formed
or attached to the inside of the roller ends, so that the rod and fabric attached to it
can be easily removed if required. The roller d is provided with two pivots g and h
at its ends, the pivot g being round and resting in a round hole in the end a of the
trough, while the other pivot is made round for part only of its length and square
for the remainder, and has a handle i or its equivalent fixed to it. The end a² of the
trough at the handle side has a square slot in which the square of the pivot is held.
By pushing the roller and pivots to the right, the round part of pivot h comes into
the slot and the roller can be turned round, while by moving the roller to the left, the
square of the pivot his brought into the square slot and the roller held in its position.
Other ordinarily used means for fixing a roller in its position and releasing it for the
purpose of turning it round, for instance, a ratchet wheel fixed upon one of the rollers
pivots and a pawl hinged to the end of the trough, may be used instead of the arrange-
ment herein before described.
The piece of clothe attached to the roller d hangs over the edge of the trough and
has at its end a rod, roller or brush inserted or attached to it. The trough a is filled
with water through a suitable funnel k near one end and the cloth after being wound
round the roller and thoroughly wetted, is unwound till it rests upon the warp beam.
It may lie upon the right hand side of the warp beam 1 fig. 1 having a downward
rotation, but by preference I lay it upon the top of the beam as shewn, forming the
rod m at the end of the cloth with a couple of hooks and hooking them upon some of
the warp threads as shewn. The cloth damps the warp as it is being unwound, the
water taken from the cloth being replaced from the trough by the capillary action of
the cloth. By turning the perforated roller d, a greater or shorter length of contact
between the cloth and warp and consequent variation of the dampness in the latter is
obtained, while by winding the cloth on to the roller till the rod m or its equivalent is
stopped upon the edge of the trough, the damping can be entirely stopped without the
weaver having to remove the trough or get under the loom. Instead of being sus-
pended from the warp-bearer c, the trough a may be supported by brackets from the
foom-sides n n or other stationary part of the loom.
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
The arrangement of trough, perforated roller with locking device and cloth attached
to the same substantially as hereinbefore described and illustrated by the drawings,
and for the purpose set forth.
EMMOTT & Co.,
Agents for the Applicant.