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Патент USA US3076734

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Feb. 5, 1963
Original Filed May 8, 1957
B1’ 9411:9441
United States
Fatented Feb. 5, 1963
quetch roll 10, and in turn cooperative with the latter is
a small, rubber covered dressing roll 11.
The material M being treated is drawn from a supply
William L. Freeze, John (locker, HI, and Thomas F.
beam (not illustrated), and directed, as shown in the
‘Suggs, Gastonia, N.C., assignors to (locker Machine
and Foundry ‘Company, Gastonia, N.C., a corporation
journalled in bearings 13 atop the sides of the trough
drawing, down into the trough 1 over a lead-in roll 12
adjacent one end of the latter, to pass downwardly of the
?rst roll 5 then beneath the squeeze and padde-r rolls 7
and 8, then up over the second roll 6 through the nip
vPatent No. 2,977,662, dated Apr. 4, 1961. Divided
and this application Dec. 7, 1960, Ser. No. 76,436 V 10 between it and the quetch roll 10, then upwardly about
the quetch roll, and ?nally over the dressing roll 11 en
3 Claims. (Cl. 117-115)
route to a collecting beam (not illustrated).
This application is a division of Serial No. 657,765,
The journals of the roll 5 are supported for free rota
?led May 8, 1957, and now Patent No. 2,977,662, issued
tion in suitably packed hearings in the side walls of the
April 4, 1961;
15 trough 1, While the ends of the shaft 6a of the roll 6 are
This invention relates to methods for treating'con
rotatively supported in ball bearing assemblies 13 set
tinuous running materials such as yarn, fabrics, and the
into the side walls of the trough. To one end of the
like with liquids such as sizing, dyes, resins, rinses, ?xers
shaft 6a of roll 6 is secured a sprocket wheel which is
driven, through a chain, from a sprocket pinion on the
Our inventionv has for its chief aim, the provision, of a 20 shaft of a regulatable speed gear unit. The roll 5 is
method of‘the kind referred whereby entrained air is
positively driven at the same peripheral speed as the roll
expelled from the material just before it is run sub
6 through a chain trained about a sprocket pinion on
merged in a bath of the treating liquid and thereby pre
the shaft of the former and a sprocket Wheel on the shaft
conditioned to rapidly absorb the liquid, and also where
of the latter.
by the excess liquid from the material is removed so that 25
The squeeze roll 7 is suspended by ?xed arms 22 on '
only a de?nite uniform amount is retained.
a cross shaft 23 whereof the opposite ends are engaged in
A further aim of our invention is to provide a method
bearings 24 at the top ends of toothed rack bars 25 con
whereby the aforesaid air expulsion and removal of ex
strained to endwise or up and down movement in verti
cess liquid is controlled in accordance with the speed at
cal grooves in the outer faces of the side walls of frames
which the material is progressed in the treatment for at 30 3 and 4 and held to said grooves by retaining strips.
tainment of uniform results under all conditions of opera
Meshing with the rack bars 25 are spur pinions 27 re
spectively at opposite ends of a cross shaft 28 rotatively
Other objects and attendant advantages will appear
borne in the side walls of the trough 1 below the trough
from the following detailed description of the attached
bottom. The ends of the rock shaft 23 extend outwardly
drawings, wherein
35 beyond the bearings 24 at the tops of the rack bars 25,
The accompanying drawing is a view, in longitudinal
and atlixed to them are short arms having, at their distal
section of an apparatus for continuously treating run
ends, small rollers that bear upon the edges of eccentric
ning yarns or fabric With a treating liquid in accordance
cams which are movable about projecting studs on said
with our new method.
rack bars. Fulcrumed at their bottom ends to lateral
As herein exempli?ed, the apparatus comprises a trough 40 brackets on the rack bars 25 are cylinders whereof the
piston rods are pivotally connected to short lever exten
1 of which the bottom is jacketed as at 2 for circulation
sions of the eccentric cams. The stainless steel wiper roll
of a tempering medium, such as steam or hot water there-v
indicated at 37 serves to keep the front ‘or upper exposed
through, the trough being supported crosswise of the tops
portion of the squeeze roll 7 clean of the liquid.
of a pair of spaced side frames 3 and 4.
The padder roll 8 is similarly suspended within the
Normally maintained in the trough 1 at a level L, see
of North Carolina
Original appiication May 8, 1957, 821'. No. 657,765, new
the accompanying drawing, is a quantity of treating liq
uid; and running partly submerged in the liquid are two
trough by arms 38 fast on a cross shaft 39 whereof the
opposite ends are engaged in bearings 40 at the top ends
of rack bars 41, the latter being slidable in vertical
spaced hollow rolls 5 and 6 preferably of stainless steel
or other metal immune against corrosion, the ?rst roll 50 grooves in the outer faces of the'side walls of frames 3
and 4 and held to said grooves by keeper strips provided
5 being of a diameter somewhat less than that of the
for that purpose. Also similarly, the rack bars 41 mesh
second roll 6. A rubber covered wiper roll, designated
with spur pinions '43 at opposite ends of a separate cross
5a serves to keep the exposed portion of the roll 5 clean
shaft 45 rotatively borne in the side walls of the trough
of the liquid. Cooperative with the ?rst roll 5 within
1 below the trough bottom. Here also, short arms, a?ixed
the trough 1 is a smaller rubber-sheathed squeeze roll 7 55 to opposite ends of the cross shaft 39, have adjustable
which is normally only partly submerged in the liquid
rollers that bear upon eccentric cams movable about pro_
and cooperative with the roll 6 is a smaller padder roll
jecting studs on the rack bars 41, short lever extensions
8 which is normally completely submerged. It is to be
of said eccentric cams being connected to the piston rods
particularly noted that the disposal of the squeeze roll 7
of pressure ?uid cylinders which, at their lower ends, are
relative to the roll 5 is such that the nip between them is 60 fulcrumed to lateral brackets on said rack bars.
substantially at the level of the liquid in the trough to in—
The journals 55 of the quetch roll 10 are engaged in
sure that the air entrained in the fabric is displaced just
bearing blocks not shown which are slidably con?ned
before the material enters the liquid. Also cooperative
to longitudinal guideways in upstanding carrier arms 58
with the roll 6 is a superimposed solid rubber covered
fulcrumed on the protruding end housings of the inset
bearings 13 wherein the roll 6 is journalled. Atop the
rapidly absorb the treating liquid upon entering the bath
arms 58 are pressure ?uid-actuated devices in the form
and underpassing the squeeze roll 7. In upwardly round
ing the padder roll 3 and passing between it and the roll
6, the absorbed liquid is caused to thoroughly penetrate
the material due to the pressure exerted upon the padder
roll by action of the cylinders associated therewith, even
penetration of the liquid being assured through the con
stant vibration induced in said padder roll by the vibra
of diaphragm motors 60 of which the pendent stems 61
are adjustably connected to the aforementioned bearing
The dressing roll 11 has its journals engaged respec
tively in the short upright extremities of bell crank levers
fulcrumed on ?xed studs 67, the longer or horizontal
extremities of said bell crank levers being coupled, by
tors 95. As the material M emerges from the bath and
means of adjustable links to the aforementioned hear 10 passes between the roll 6 and the quetch roll 10 (which
ing blocks.
is maintained in contact with the roll 6 under pressure by
Bolted to the carrier arms 58 at their bottoms are gear
the action of the diaphragm motors 60) excess liquid is
sectors 70 which are in mesh with spur pinions 71 at the
displaced from the material and drains back into the
outer ends of another transverse shaft 72, said shaft being
trough, the liquid so removed being prevented from con
operable through a sprocket chain 73 by a reversible 15 gealing due to the heating of the roll 6 from within.
servo motor 75.
Finally, as the material passes between the quetch roll 10
Surrounding the exposed surface portion of the quetch
and the associated dressing roll 11, any liquid which may
roll 10 with slight intervening clearance 78 is a shroud
have been trapped under the material in rounding the
30 in the form of a hollow hook which is curved con
roll 6 is removed, the steam discharged from shrouds
centrically with said roll, and which is secured at oppo 20 80 and 85 incidentally serving to prevent congealing of
site ends, by brackets to the slide bearing blocks of the
the liquid on the bare portions of the rolls 10 and 11.
quetch roll. During operation of the apparatus a pressur
In practice, a suitable means (not illustrated) is pro
ized gaseous tempering medium, such as steam, is intro
vided to cause the servo motor 75 to partially turn in one
duced into the shroud 80 adjacent one of its longitudinal
direction or the other upon increasing or decreasing the
edges as at 81, for ultimate discharge into the clearance 25 speed of the roll 6 and, in turn, the rate of travel of
interval 78 through a slit 82 in the inner wall of the
the material M through the apparatus, so that compen
shroud adjacent the opposite longitudinal edges of the
sative increase or decrease of air is ‘supplied to the upper
latter. A similar shroud 85 is provided for the dressing
ends of the cylinders associated with rolls 7 and 8 and
roll 11 into which steam is introduced through hose 86
to the upper ends of the diaphragm motors 60. In this
adjacent one longitudinal edge for discharge through a 30 way more or less pressure is caused to be exerted pro
lengthwise slit 87 in the inner wall of said shroud adja
portionately upon the squeeze and padder rolls 7 and
cent its opposite longitudinal edge.
Since, during the
8 and upon the quetch roll 10 as may be required or de
operation of ‘the apparatus, the rolls 5 and 6 rotate in the
sired in the treatment of different kinds of yarns or tex
direction of the arrows thereon in the drawing, the steam
tile materials run through the apparatus. Due to turn
is carried around within the intervals 78 and 88 to keep 35 ing of the shaft 72, the arms 58 will be tilted either to
the rolls 10 and 11 warm and moist and thereby prevent
the left or to the right of vertical center as shown in
premature chilling and hardening of the sizing on the
full and dotted lines in the drawing so that the material
material M as it rounds said rolls. For a similar purpose
will pass about more or less of the surface of the roll 6.
the submerging roll 6 is kept heated from within by steam
It is to be understood that the operation is such that
introduced axially thereof at one end and exhausted from 40 when the speed of travel of the material M is increased,
the other end thereof.
the pressure on the squeeze, dressing roll 11 and padder
In order to enhance the effectiveness of the padder roll
rolls 7 and 8 is increased and the quetch roll 10 is
8, a vibrator 95 is connected to each of the arms 38 by
moved leftward about the roll v6, and vice versa. Ac
which said roll is suspended. For a like reason each of
cording to our invention therefore, the material is evenly
the slide bearing blocks for the quetch roll 10 has con 45 treated with assurance of uniform absorption of the
nected thereto a similar vibrator. The vibrators 95 are
liquid throughout, the length and breadth of the sheet
shown as being of a pneumatically actuated type to which
regardless of the speed of travel of the material.
compressed air is conducted through ?exible tubes 97.
It is to be understood that we do not consider our
Compressed air for operation of the cylinders in?u
selves limited to the precise details of construction herein
ential upon the squeeze roll 7 is supplied through a pipe 50 shown by way of example, since these may be varied
line having branches which respectively extend to the
or modi?ed in many ways without departing from the
upper and lower ends of ‘said cylinders. Interposed
spirit of the invention as will be readily understood by
in the aforesaid pipe line is a plunger type control valve
those schooled in the textile treating art.
101 which is arranged to be actuated by a cam 102 on
Having thus described our invention, we claim:
the shaft 72. Similarly, compressed air for operation of 55
1. A method of treating continuously running textile
the cylinder in?uential upon the padder roll 8 is supplied
material with a liquid comprising the steps of directing
through a pipe having branches extending, respectively,
,said material downwardly into a bath of said liquid,
to the upper and lower ends of said cylinders. Interposed
squeezing said downwardly moving material at the sur
in the pipe line 105 is a control valve similar to the con
face of said liquid with a pressure proportional to the
trol valve 101, arranged to be actuated by a separate cam 60 speed of said running material to displace entrained air
on the shaft 72. By way of two other pipe lines, com
therefrom, intermittently padding said material While sub
pressed air is supplied respectively to tops and the bot
merged in said liquid with a pressure proportional to
toms of the diaphragm motors 60 in?uential upon the
quetch roll 10.
the speed of said running material, directing said mate
rial above the surface of said liquid and squeezing said
65 material above the surface of said liquid with a pres
Assume the apparatus to be running in the accom~
panying drawing with the rolls 5 and 6 turning in the
direction of the arrows thereon. As the material M
passes between the unsubrnerged portion of the roll 5
(kept clean by the wiper roll 5a) and the squeeze roll 7
with its wiper roll 37, it is held against said roll 5 under
pressure by the action of the cylinders provided for that
purpose. As a result, the entrained air is forced out of
the material and the latter is thereby pre-conditioned to 75
sure proportional to the speed of said running material,
thereby removing excess liquid from said material.
2. A method of treating continuously running textile
material with a liquid comprising the steps of directing
said material downwardly into a bath of said liquid,
squeezing said downwardly moving material at the sur
face of said liquid with a pressure proportional to the
speed of said running material to displace entrained air
therefrom, allowing said material to absorb said liquid
while running submerged therein, intermittently padding
said material while submerged in said liquid with a pres-
sures of each of said squeezing actions are greater as the
sure proportional to the speed of said running material,
speed of said running material increases.
directing said material above the surface of said liquid
and squeezing said material above the surface of said
liquid with a pressure proportional to the speed of said 5
running material, thereby removing excess liquid from
References Cited m the ?le of thls Pawnt
Heizer ________________ __ Feb_ 3’ ‘1953
said material, and then squeezing said material again
while moving upwardly above the surface of said liquid
with a pressure proportional to the speed of said run- 10
Bing matel‘ial-
3. The method de?ned in claim 2 wherein the pres-
Adams _______________ __ Sam
‘ suggs ________________ __ De‘;
Kabelitz ______________ __ May
Freeze et a1 ____________ __ Apr.
Kabelitz ____ __- _______ .... July 18, 1961
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