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Патент USA US3087231

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April 30, 1963
P. F. SAPILEVSKY ETAL
3,087,224
APPARATUS FOR CONTINUOUS FINISHING 0F‘ YARN
Filed April 4, 1960
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United States Patent 0 "ice
3,087,224
Patented Apr. 30, 1963
2
1
3,087,224
through the yarn guide 16 connected with the nut of the
automatic yarn distributing mechanism. This nut en
0F YARN
direction and is provided with right- and left-hand threads,
APPARATUS FOR CONTINUOUS FINISHING
gages a lead screw which continuously rotates in the same
Piotr Filippovich Sapilevsky, Olga Alexandrovna Filimo
ensuring the reciprocating motion of the nut and guide
shina, Antonina Feotlorovna Klimkova, Lazar Vladi
along the screw.
mirovich Zilpert, and losif Sholomovich Garkavi, all
of Moscow, U.S.S.R., assignors to Moscovsky Experi
The characteristic feature of the proposed process of
continuous ?nishing of viscose yarn for the manufacturing
of imitation Persian lamb cloth is the operation of
stretching of impregnated threads by means of rolls 5
and 6, as this operation ensures uniform mechanical prop
erties of viscose yarn and consequently a good resistance
of the imitation fur to degradation by weathering and
mechanical action.
mentalny Zavod isltoosstvennoi Kozhi e mekha, Mos
cow, U.S.Ԥ.R.
Filed Apr. 4, 1960, Ser. No. 23,872
4 Claims. (Cl. 28--59.5)
The invention relates to a method of and apparatus for
continuous ?nishing of viscose yarn for use in manufac
turing imitation Persian lamb cloth.
It will be obvious to those skilled in the art that various
The hereinafter described method of continuous ?nish 15
changes
may be made in the invention without departing
ing of viscose yarn for use in manufacturing imitation
from the spirit and scope thereof and therefore the in
Persian lamb cloth ensures improved quality of the re
vention is not limited by that which is shown in the
sulting products.
drawings and described in the speci?cation, but only as
The proposed method is characterized in that the yarn
is impregnated with a well known solution used for fabric 20 indicated in the appended claims.
What is claimed is:
impregnation consisting of melamine-ureaformaldehyde
1. An apparatus for the continuous ?nishing of yarn
condensate and a water repellent preparation with subse
comprising a rotatably mounted reel for a supply of yarn,
quent squeezing and drying and an additional stretching of
an impregnating trough containing an impregnating liquid
the impregnated threads after squeezing.
The apparatus for carrying out the aforementioned 25 composed of melamine-ureaformaldehyde condensate and
a water repellent, said yarn passing from said reel through
process comprises the following interrelated elements and
said trough, squeezing means engaging the yarn emerging
assemblies disposed in a line to provide a continuous
from said trough to facilitate impregnation and remove
operation: the yarn supply reel, the impregnating trough,
excess liquid therefrom, a pair of spaced driven stretching
the squeezing mechanisms, rolls for stretching the yarn,
heated drier rolls and an automatic device for distributing 30 rolls over which said yarn passes from said squeezing
means, a pair of spaced drying rolls disposed in a common
the yarn on a winding reel.
plane
with the axis of one roll inclined with respect to the
Further objects and advantages of the invention will be
axis of the other roll, means for heating said drying
apparent from the following description taken in conjunc
rolls, said yarn passing from said stretching rolls over
tion with the accompanying drawing wherein:
The single FIGURE of the drawing is a diagrammatic 35 said drying rolls in a series of spirally disposed convolu
tions, a reciprocating yarn guide and a driven yarn re
view showing the apparatus of this invention.
ceiving reel, said yarn passing from said drying rolls
The apparatus may comprise an axle 1 with catch 2 at
through said guide and onto said receiving reel.
the end, designed for rotatably supporting the yarn ad
2. An apparatus as de?ned in claim 1 in which said
vancing reel 3, the impregnating trough 4 with the mixture
of melamine-urea-formaldehyde condensate and water re 40 squeezing means comprises a pair of parallel opposed
plates, yieldable opposed yarn engaging surfaces on said
pellent preparation, the squeezing arrangement, the yarn
plates and adjustable compression spring means for urging
stretcher rolls 5 and 6, the heated drier rolls 7 and 8
one plate toward the other.
and the automatic device for distributing yarn on the
3. An apparatus as de?ned in claim 1 in which said
Winding reel 9‘, the latter being located on the axle 10' posi_
yarn
guide is reciprocated by a nut threadedly engaging
45
tively rotated by suitable drive means, it being noted that
'a driven lead screw having right and left hand threads.
the viscose yarn passes over suitable guide pins, disposed
4. An apparatus for the continuous ?nishing of yarn
above and inside the trough or container 4.
comprising
a rotatably mounted reel for a supply of yarn,
The yarn squeezing device, installed adjacent and fol
an
impregnating
trough containing an impregnating liquid
lowing the trough 4 is made in form of a bracket (not
composed of melamine-ureaformaldehyde condensate and
shown in the drawing) supporting two parallel plates 11
a water repellent, said yarn passing from said reel through
and 12 provided with opposed yieldable surfaces. Plate
said trough, squeezing means engaging the yarn emerging
11 is stationary, while plate 12 is spring-loaded for move
vfrom
said trough to facilitate impregnation and remove
ment toward plate 11 and is ?xed on the bracket by means
excess liquid therefrom, a pair of spaced driven stretching
of two screws 13 with adjusting nuts 14. The degree of
squeezing is proportional to the tensioning of springs 15. 55 rolls over which said yarn passes from said squeezing
means, a pair of spaced drying rolls disposed in a com
The yarn stretcher rolls 5 and 6 are positively rotated
mon plane with the axis of one roll inclined with respect
by suitable drive means, their circumferential speed being
to the axis of the other roll, means for heating said
15% less than the speed of the heated drier rolls 7 and
8.
drying rolls, said yarn passing from said stretching rolls
The rolls 7 and 8 are duralumin cylinders with in
over said drying rolls in a series of spirally disposed con
volutions and a driven yarn receiving reel, said yarn pass
serted pins for bearings. Along the roll axles are disposed
electric heaters or the rolls may if desired be steam heated.
The rolls 7 and 8 are disposed in one vertical plane,
ing from said drying rolls onto said receiving reel.
one roll having a horizontal axle and the other roll having
its axle inclined at an adjustable angle to the ‘axle of the
?rst roll; this angle of axle inclination determines the
65
pitch between the coils of the thread wound over both
rolls drivingly connected by a continuous chain and ro
tated from the machine drive means.
The yarn dried and subjected to thermal processing up
70
on the rolls 7 and 3, is advanced to the winding reel 9
References Cited in the ?le of this patent
UNITED STATES PATENTS
‘1,729,272
‘2,091,454
2,525,476
2,622,182
2,628,405
King ________________ __ Sept. 24,
Reynier ______________ _.. Aug. 31,
Chase et al. __________ _.. Oct. 10,
Forzleg et a1 ___________ __ Dec. 16,
Wentz ______________ __ Feb. 17,
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