Improvements in Machines for use in Dyeing Yarns
Year: 1899

page_text: Date of Application, 27th Oct., 1899-Accepted, 9th Dec., 1899
COMPLETE SPECIFICATION.
Improvements in Machines for use in Dyeing Yarns,
I, LEONARD WELDON, of the City of Amsterdam, in the County of Montgomery,
United States of America, Manufacturer, 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 rotary dyeing machines wherein a reel is mounted upon
a tub or dye liquor vat having a curved bottom and ends, and carries the skeins
or articles to be dyed, dipping them intermittently and successively into the dye
liquor.
It is well known that violent ebulition of the bath in which worsted or woolen
skeins are dyed causes the fibres to mat together and greatly decreases the value
of the dyed product. To avoid this effect of ebulition in the bath that a rotary
dyeing apparatus revolves in, and also to provide means for easily lengthening
or shortening the distance between bearings of the sticks upon which the skeins
of yarn are held during the dyeing process is the subject of this invention.
To avoid injurious ebulition, I place the center of the reel closer to one end
of the tub than to the other and in the space left at one end I place a curved
partition in proximity to the curved end of the tub, said partition reaching nearly
to the water line at the top and to within a few inches of the bottom of the
tub at its lower end, and forming a curved compartment or passage.
To this end my invention consists in the combination with the tub having a
curved bottom and containing the dye-liquor and the revolving reel journaled
to one side of the center of the tub, of a curved partition in the tub near the
end farthest from the reel, said partition extending in proximity to the bottom and
near the upper edge of the tub, and a steam pipe extending transversely across
the tub near the bottom and in the space between the partition and the end of
the tub, said pipe having perforations on the side turned toward the space between
the lower edge of the partition and the bottom of the hub.
And my invention consists in certain other combinations hereinafter described
and specifically set forth in the claims.
In the drawings hereto annexed and forming a part of this specification,
Figure 1 is a vertical longitudinal sectional view of my improved dyeing
machine, Figure 2 is a transverse sectional view of a portion of the reel shown in
Figure 1, Figure 3 shows a plan view of the steam pipe within the vat, Figure 4
is a front elevation of my improved yarn dyeing machine, and Figure 5 is a
portion of the inner face view of the left hand wheel of the reel, and adjustable
rino thereon.

page_text: Referring specifically to the drawings, A is the tub or vat containing the dye-
liquor and having the curved or semi-circular bottom and ends A³, said bottom
having preferably an angular depression A to one side of the center, as shown,
to provide more space for the perforated steam pipe B extending within the same
and horizontally and transversely across the tub. B₁ is the steam supply pipe
passing through the vertical part of the bottom and connecting with the perforated
pipe. C, C are large wheels keyed upon a shaft, C', journaled in bearings, a, a,
on opposite sides of the tub. Said wheels are within the tub near the opposite
vertical sides thereof, and form parts of the reel carrying the yarn sticks, D, D, etc.,
and the adjustable rings E, E. To provide more space at one end of the tub
the bearings, a, a, are mounted to one side of the center of the upper edge
of the tub. Between the curved end of the tub farthest removed from the peri-
pheries of the wheels C, C, and said peripheries is a curved partition, F, extending
transversely across the tub and having its lower edge in proximity to the flat portion
of the bottom, A¹, and its upper edge extending to a point near the top edge of
the tub. Said partition has substantially the same curvature as the end of the
tub and forms with the end of the tub a curved channel or passage, G, extending
from top to bottom of the tub. When the side of the steam pipe, B, having the
perforations, is turned toward the space between the lower end of the partition
and the bottom of the tub, and the steam is admitted to it through the pipe B',
it forms a sort of steam pump or ejector drawing the liquor out of the narrow
space between the partition and the tub and sending it across the tub in the lines
shown by the arrows; that is, the current takes a curved course corresponding
to the curved end of the tub and then returns in a horizontal direction at and
near the surface of the dye-liquor and over the upper edge of the partition E.
The liquor that is displaced is filled up from the liquor in the vat and so
a constant circulation of the dye liquor is created that is very valuable in dis-
tributing the coloring matter equally in the bath and facilitates the even dyeing
of the fibres.
It will readily be seen that should the operator put on too much steam
after the bath has come to near the boiling point, that as it is harder for
the steam to drive through the narrow neck into the dye bath than it is for it
to back up behind the partition, all excess of steam will come up that way and
it is impossible to damage the fibres in the rotary machine by excessive boiling.
If it is desired to reverse this circulation of the dye liquor, I simply turn the
steam pipe around until the holes point up through the narrow space between
the curved partition and the end of the tub and the pumping action of the steam
is reversed, the liquid being sucked from under the compartment and discharged
at the top.
To provide means for increasing or decreasing the distance between the sticks
that carry the skeins to accommodate skeins varying in length or to tighten
the skeins after they are placed in position upon the sticks, I place the bearings
for the inner circular series of sticks upon rings E, E, loosely journaled in the
arms of the large wheels, C, C, or spiders, or on wheels loosely journaled on the
spider shaft, and provide means to move or rotate these rings or wheels and thus
rotate all the bearings at once on each ring toward or from their outer mates or
sticks D. Said adjustable rings are held loosely in place by small angular
pieces, b, b, etc., secured upon the inner faces of the arms of the large wheels.
A lever H. is pivoted upon a bar 7 extending between two spokes on each large
wheel and is provided with a small slot 7, to receive a pin, 7.
Near and upon the outer end of said lever is a spring bolt, d, which is adapted
to engage a curved rack, e, on a bar, f, also secured to and connecting the two
spokes together.
When it is desired to revolve one of the rings in either direction, it is only
necessary to raise the bolt, d, and turn the lever, H. on its pivot to one side
or the other and release the bolt to engage the rack and to hold the lever and ring
in the required position.

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:―
1-In a rotary dyeing machine, the combination with the tub having curved
bottom and ends, and the revolving reel, of a curved partition in the tub, near
one end, and between the reel and one end of the tub, said partition not extending
to the bottom or top of the tub, and a perforated steam pipe near the lower edge
of the partition, as set forth.
2-In a rotary dyeing machine, the combination with the tub. having curved
bottom and ends, and the revolving reel having its shaft journaled in bearings
to one side of the center of the tub, of a curved partition in the tub between the
end farthest removed from the reel and the reel, said partition not extending
to the bottom or top of the tub, and a perforated steam pipe near the lower edge
of the partition in the space between the end of the tub and the partition, as set
fortli.
3-In a rotary dyeing machine, the combination with the tub having curved
bottom and ends, and having a depression in the bottom to one side of the center,
and the revolving reel having its shaft journaled in bearings to the opposite side
of the center of the tub, of a partition in the tub between the end thereof farthest
removed from the reel and the periphery of the reel, said partition not extending
to the bottom or top of the tub, and a perforated steam pipe in the depression
and extending transversely across the tub and connected with a supply pipe
extending through the bottom of the tub, as set forth.
4-In a rotary dyeing machine, the combination with the tub having curved
bottom and ends, and having a depression in the bottom to one side of the center,
and the revolving reel having its shaft journaled in bearings to the opposite side
of the center of the tub, of a partition in the tub, between the end thereof farthest
removed from the reel and the periphery of the reel, said partition not extending
to the bottom or top of the tub, and a steam pipe in the depression and extending
transversely across the tub, and having perforations therein on the side toward
the center of the tub, as set forth.
5 In a rotary dyeing machine, the combination with the tub having a curved
bottom and containing the dye-liquor and the revolving reel journaled to one
side of the center of the tub, of a curved partition in the tub near the end farthest
from the reel, said partition extending in proximity to the bottom and near the
upper edge of the tub, and a steam pipe extending transversely across the tub
near the bottom and in the space between the partition and the end of the tub,
said pipe having perforations on the side turned toward the space between the
lower edge of the partition and the bottom of the tub, as set forth.
6-In a rotary dyeing machine, the combination with the dye-tub, of a pair
of wheels mounted on a shaft to turn in bearings on the dye-tub, an outer and
inner circular series of sticks to hold the skeins, the inner series of sticks having
bearings for their ends in revoluble adjustable parts, a lever connected with each
of the parts to revolve the same, a bolt on the lever, and a rack to engage the bolt
secured upon each of the wheels, as set forth.
7-In a rotary dyeing machine, the combination with the dye-tub, of a pair
of wheels mounted on a shaft to turn in bearings on the dye-tub, an outer and
inner series of removable, revoluble yarn sticks, revoluble adjustable rings con-
centric with the rims of the wheels, a lever having a slot therein fulcrumed on
each of the said wheels and provided with a spring bolt to engage a curved rack,
the curved rack secured upon each of the wheels, and a pin projecting from the
ring and entering the slot, substantially as and for the purpose described.
1
HASELTINE, LAKE & Co.,
Agents for the Applicant.
45, Southampton Buildings, London, W.C.,