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Патент USA US3088234

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May 7, 1953
E. COHN ETAL
3,088,224
APPARATUS FOR TREATING FABRIC BY MOISTURIZING
Filed April 23, 1958
2 Sheets-Sheet 1
FIG. I
2
NVENTORS
NE COHN
COHN
CATALLO
May 7, 1963
E. COHN ETAL
3,088,224
APPARATUS FOR TREATING FABRIC BY MOISTURIZING
2 Sheets-Sheet 2
Filed April 25, 1958
FIG. 2
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3,688,224
Patented May 7,, 1963
2
FIG. 2 is a fragmentary cross-sectional view taken on
line 2-—2 of FIG. 1; and
FIG. 3 is an enlarged, fragmentary, cross-sectional
view taken on line 3-—'3 of FIG. 2.
Referring now to the drawings, the reference numeral
3,088,224
APPARATUS FOR TREATING FABRIC BY
MGISTURIZING
Eugene Cohn, Great Neck, Joseph Cohn, New York,
and Frank Catallo, Elmont, N.Y., assignors to Samcoe
Holding Corporation, Woodside, N.Y., a corporation of
10 designates, generally, a housing having openings 11,
12 in opposite sides, forming an entrance and exit, respec
tively, for a web 13 of fabric. Advantageously, the hous
ing 10 is of generally rectangular form and is of substan
New York
Filed Apr. 23, 1953, Ser. No. 730,439
1 (Ilairn. (Cl. 34—159)
10 tial height, in relation to its length and width, so as to
occupy a minimum of floor space. By way of example,
the housing may be about 8 feet in height, While having
a length and width of between 3 and 4 feet.
ments for the treatment of fabrics to impart thereto a
In the illustrated apparatus, the housing 10 is of simpli~
desired moisture content.
It is well recognized in the textile industr‘ , and particu 15 ?ed construction, comprising an open frame 14, of angle
members, which supports a plurality of wall panels 15-20,
larly in the knit goods ?eld, that the moisture content of
forming an enclosure. The fabric entrance 11 and exit
yarns and fabrics should be controlled and, at least for
12 desirably form substantially the only openings in the
some purposes, should be relatively high. By way of
enclosure, so that a controlled atmosphere may be readily
example, some cotton goods desirably have as much as
8 percent moisture. To this end, many spinning and 20 maintained therein.
Adjacent the upper and lower ends of the housing 10
knitting operations are carried out in highly humidi?ed
are provided sets of guide rollers 21, 22 which extend
vrooms, so that the yarn or fabric, as the case may be, will
across the width of the housing and are mounted along
not lose moisture but rather may gain a certain quantity
the
side Walls 19, 20, by plates 23 or the like. In accord
of moisture.
In the ?nishing of fabrics, and particularly knit goods, 25 ance with one speci?c aspect of the invention, each of the
guide rollers 21, 22 comprises a shaft 24, journalled at
the fabric may be put through operations, such as dyeing
its ends, by suitable means such as anti-friction bearings
or bleaching, followed by drying and calendering, during
(not speci?cally shown), and having sprocket means 25
which moisture control is lost and, almost inevitably,
whereby the shaft may be driven. Surrounding the shaft
the ?nished material is lacking in the desired moisture
content. Accordingly, for many years the industry has 30 24 is a cylindrical roller 26, which is supported on the
shaft by means of spaced friction bearings 27, formed
sought practical and effective ways of increasing the mois
of graphite or other friction reducing material.
ture content of ?nished or semi-?nished fabrics, to the
As shown in FIG. 1, the guide rollers 21, 22 at each
end that the fabric may have the proper softness and feel,
vertical
end of the housing are mounted in rows, and
proper conditioning for further processing, etc. However,
prior attempts of which we are aware have been unsuc 35 chains 28 interconnect the shafts of each row of rollers
for rotation in unison. The top row of rollers is also con
cessful, as being ineffective or uneconomical or both.
nected to the bottom row, by chains 29, 30 and sprockets
In accordance with the present invention, a novel and
31—34, whereby the shafts of the respective rows rotate
improved method and means is provided by which fabric
may be moisturized in a wholly effective, practical and 40 in opposite directions. Thus, chain 29 is trained about
a sprocket 31, connected to the shaft of a lower roller,
economical manner. In general, the method of the in
and about an idler sprocket 32. These sprockets are so
vention involves passing fabric through a highly humidi
positioned that a portion of the chain 29 passes over an
?ed atmosphere, and maintaining the moisture-laden at
arc of a sprocket 33 a?ixed to the shaft 35 of an exit
mosphere in a state of high turbulence during the passage
of the fabric therethrough. With the new method, fabric 45 guide roller ‘36, located adjacent the exit opening 12. The
arrangement is such that the shaft of the exit guide roller
moisture may be increased 2 to 3 percent in a short period
rotates in a clockwise direction (as viewed in FIG. 1),
of, for example, forty seconds, and the additional moisture
while the shafts of the lower row of guide rollers rotate
thus imparted permeates all portions of the fabric, in the
counterclockwise. The exit roller shaft also mounts a
desired manner.
For carrying out the new method, a novel apparatus is 50 sprocket 34, which drives the chain 30 trained about a
sprocket on one of the upper guide roller shafts, so that
provided, comprising a housing, forming an enclosure
the upper shafts are driven in a clockwise direction.
through which fabric passes, means for maintaining a
For driving the roller shafts, means such as a gear
highly humidi?ed atmosphere in the enclosure, and means
motor 37 may be mounted at the side of the housing, as by
for maintaining the atmosphere in a highly turbulent
means of a bracket 3'8, with the output shaft 39 coupled
The present invention relates to the treatment of fabrics,
and more particularly to novel and improved arrange
state.
As one of the more speci?c features of the invention,
the housing of the apparatus is highly compact and in
55 to one of the roller shafts 24.
In accordance with one
aspect of the invention, the motor and drive system are
arranged to drive the various roller shafts at a rate which,
cludes guide rollers for causing fabric to move sinuously
from one end to the other of the housing, as is passes
therethrough. The guide rollers are driven through novel
slip drive means, whereby the fabric in the housing is
if the rollers were ?xed to the shafts, would cause fabric
urged in the direction of its movement but in such a man
ner as effectively to avoid stressing or stretching the fabric
the housing are motors 40, 41 having rotor shafts pro
trained about the rollers to be advanced at a speed greater
than desired.
~ Mounted on the upper and lower end walls 15, 16 of
jecting into the housing and mounting fan blades 42, 43
respectively. The fans 42, 43 are arranged to agitate the
65 air within the housing violently, to maintain the enclosed
For a better understanding of the invention, and for
atmosphere in a state of high turbulence. And, in this
an explanation of further novel and advantageous fea
lengthwise.
,
tures thereof, reference should be made to the following
detailed description, and to the accompanying drawings,
respect, the fans are advantageously arranged to direct op
posed streams of air toward the center of the housing.
In accordance with the invention, means are provided
in which:
70 for maintaining the atmosphere within the housing highly
FIG. 1 is a side elevation, partly in section, of appara
humidi?ed. Advantageously, this is accomplished by pro~
tus of the invention used in carrying out the new method;
3,088,224
3
4
viding a plurality of atomizer nozzles 44 at strategic loca
tions Within the housing. In the illustrated apparatus
nozzles 44 are mounted adjacent the upper and lower
impart to the fabric a desired, controlled moisture con
ends of the housing, by suitable brackets 45, 46. The
moisture may be imparted to the fabric in a short period
of time, using a simpli?ed apparatus which occupies a
tent, which is higher than the moisture content following
conventional ?nishing operations. The desired additional
nozzles 44 are located at the corners of the housing and
are positioned to direct streams of ?nely atomized water
toward the center.
The atomizing nozzles 44, which may be of conven
tional design, are connected to appropriate supplies of
minimum of plant ?oor space and which, where desired,
may be incorporated as part of a fabric ?nishing line.
Heretofore, it has been impossible or impractical to impart
desired additional moisture to fabric, since arrangements
moisture and compressed air, so that moisture is dis 10 heretofore known either require excessive time (16 to 24
charged therefrom in a ?nely atomized state, along with a
hours in some cases) or result in non-uniform moisture
stream of air. The described means for imparting mois—
ture to the air within the housing has been found to be
.
distribution.
It should be understood, however, that the form of the
invention herein illustrated and described is intended to
tory results might be realized with other arrangements.
15 be representative only, as certain changes may be made
In the use of the new apparatus, a webof fabric is
therein without departing from the clear teachings of the
threaded through the entrance opening 11, adjacent the
disclosure. Accordingly, reference should be made to
highly effective, although it is contemplated that satisfac
upper end of the housing and is passed over the ?rst , I
the following appended claim in determining the full
upper guide roller 21. The fabric is then passed sinu
scope of the invention.
Vously, up and down, around successive guide rollers at 20: We claim:
'
the opposite ends of the housing, and the fabric passing
Apparatus for controllably raising the moisture content
around the last of the lower guide rollers 22 is passed over
the exit guide roller '36 and out through the exit opening
12.
of knitted fabric, which comprises
'
'
(a) a housing comprised of imperforate walls arranged
.
As a general rule, the moisturizing apparatus will form 25'
part of a fabric processing line, including means engaging
the fabric before and after its passage through the housing
- to form‘ an effectively completely enclosed and sub
stantially unobstructed zonefor con?ning a predeter
mined body. of treating atmosphere,
(b) means comprising a plurality of guide rolls within
the zone for supporting and passing the knitted fabric
fabric to, and carrying it away from the housing at a
continuously through the zone in a sinuous path
predetermined speed.
30'
comprising a plurality of back and forth runs,
To aid the fabric in its passage through the housing,
(0) means for injecting ?nely atomized moisture into
10.
In any event, means, are provided for feeding the ‘
the gear motor drive 37 is energized, to rotate the several
the housing in open corner areas of the zone to
create and maintain a predetermined moisture level
guide roller shafts in unison at, a'speed which tends to
drive the guide rollers at a rate slightly higher than the
in the con?ned body of treating atmosphere within
predetermined rate of fabric movement. However, since
the rollers are mounted on their respective shafts by the
the zone,
graphite bearings, the rotation of the rollers may be dif~
?guration whereby the adjacent runs of the fabric are
ferent than that of the shafts. The arrangement is such '
freely exposed to each other throughout their length,
that the friction applied to thegraphit'e bearings 27 urges
the fabric in an advancing direction, but with such a slight 40
and
(e) agitation means within the housing for maintain
ing the con?ned body of moisture-laden atmosphere
in a state of substantial random turbulence through
out said enclosed and unobstructed zone and causing
the moisture-laden atmosphere to ?ow in random
manner and at high velocity around and through
the fabric,
(1‘) said agitation means comprising fans mounted at
each end of the housing, adjacent said guide rolls,
for directing streams of moisture-laden atmosphere
force that no substantial tensions are applied to the fabric.
The improved drive arrangement also provides for inde
pendent rotation of the various guide rollersto accom~
modate any dimensional changes which may take place
lengthwise of the fabric, during its passage through the 45
housing.
'
’ '
(d) said housing having an unobstructed interior con
,
When the apparatus is in operation, the fans 42, 43 are
rotated to maintain the atmosphere enclosed within the 7
housing in a state 'of high turbulence,‘ and ?nally atomized
moisture is injected into the housing through the several 50
toward the center of the housing and into the runs of
nozzles 44. The highly turbulent, highly humidi?ed air
in the housing ?ows around and through the moving web
the fabric.
7
of fabric and, in doing so, causes moisture to be absorbed
References Cited in the ?le of this patent
by the ?bers of the fabric in a highly uniform and effec
UNITED STATES PATENTS
55
tive manner. By way of example, it has been found that
1,052,074
Marr ________________ __ Feb. 4,
fabric moving in a period of about forty seconds through
1,479,453
Carleton et a1 ___________ __ J an. 1,
a housing have dimensions of approximately 8' by 4' by 4'
1,738,947
Chapin et a1 ___________ __ Dec. 10,
may acquire 2 to 3 percent additional moisture, which
- 1,799,300
Kenyon _______________ __ Apr. 7,
is uniformly absorbed in the ?bers. This amount of mois
Williams _____________ __ Apr. 30,
ture absorption is ordinarily suf?cient for commercial pur 60 2,199,233
1913
1924
1929v
1931
1940
.
2,303,809
Anderson _____________ __ Dec. 1, 1942
Miller et a1 ___________ __ Dec. 14, 1948
’ Gschwind ____________ __. Aug. 15, 1950
The method and. apparatus 'of the invention may be 65,
used to great advantage in the ?nishing of various fabrics,
and particularly knitted fabrics, where it 'is desired to
2,456,301
2,518,612
2,718,065
2,781,192
2,817,514
2,884,706
poses, although greater absorption might be obtained,
where desired, as by increasing the length of time the
fabric is within the housing, for example.
Conti ________________ .. Sept. 20, 1955
Gil?llan ______________ __ Feb. 12, 1957
Parkes ______________ __ Dec. 24, 1957
Svavar et a1 ____________ __ May 5, 1959
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