US1489199A - Spinning and twisting of strands of artificial silk and other yarns or threads - Google Patents

Spinning and twisting of strands of artificial silk and other yarns or threads Download PDF

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US1489199A
US1489199A US557819A US55781922A US1489199A US 1489199 A US1489199 A US 1489199A US 557819 A US557819 A US 557819A US 55781922 A US55781922 A US 55781922A US 1489199 A US1489199 A US 1489199A
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strands
yarn
twisting
common
spinning
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Dreaper William Porter
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00Collecting the newly-spun products
    • D01D7/02Collecting the newly-spun products in centrifugal spinning pots

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  • This invention relates to improvements 1n the spinning of strands of filaments or fibres and particularly those known as art1fic1al silk or the like.
  • the several strands are first kept apart for exam is by passing them through or over indivi ual guides, guider tubes or passages, and are then allowed to meet and pass into a common guide such as a guider tube or ring, on their way to the centrlrfugal box, which may be of any suitable diameter.
  • the centrifugal box and the common guider or the whole system of individual and common guiders may be reciprocated relatively to each other in a known manner in the direction of the axis of the centrifugal box.
  • a stream of liquid may be advantageously supplied to the individual or to the common guider tube or to both the individual and the common guider tubes, in cases where tubes or enclosed passages are employed.
  • the improved method of spinning it is possible, for example, to secure in one operation the twisting of composite yarns and also the twistingv of the strands making up the same, so that the latter remain separate and do not form a sin le and larger twisted strand, as they wou'd otherwise do.
  • a composite yarn may be formed for example from two or more untwisted strands of artificial silk filaments, just as they are formed in a spinning bath or otherwise.
  • Figures 2 and 3 are central sections illustrating modified forms of the lower end of the common guider tube.
  • Figures 4 and 5 are vertical sections of modified forms of composite guider tube suitable for my invention.
  • Figures 6 and 7 are transverse sections of the guider-tube in Figure 5.
  • Figures 8, 9, 10 and 12 are vertical sections of further modified forms of guider.
  • Figure 11 is a side elevation of the arrangement shown in Figure 10.
  • the two simultaneously produce strands are led separately out of the precipitating bath (where this is used) and, are then preferably passed over a common godet or drawing ofi wheel 0, so that the rate of delivery of the two strands is idea tical.
  • the strands A, B pass into the tunnels or guider tubes E, F respectively. These tubes converge at their lower ends and deliver the strands into a common conical guider tube G having an outwardly curved lower end.
  • the three tubes E, F, G are lined in a frame H, so as to maintain them in the same posi-
  • the tubes E, F are preferably provided with internal annular ribs or beads J, J to reduce the friction between the strands and the interior walls of the tubes.
  • provision is preferablymade for sup lying a. continuous stream of liquid to sac of the funnels, for example through pipes K, K as in the specification of my former application Serial No. 515378.
  • a suitable v known manner f r moving the frame H and box D relatively; to each other.
  • the vertical movement should be operated by a cam motion, arranged so as to obtain a uniform thickness of the tubular cake in the centrifugal box.
  • Figure 3 shows a trumpet-shaped end M to th1s guider-tube, which is here of somewhat larger diameter than that shown in Figure 1.
  • each strand may pass down a diflerent side of the cross-piece.
  • the form of the funnel may be modilied i. c. it may be flattened out as shown at in Figure 6, so that the strands tend to keep apart as they pass down the opposite sides of this flattened guider.
  • the upper and lower guiolers E, F" and G" are rigidly connected toether, and in Figure 9 the upper uiders F, F are arranged in holes in an in 1a rubher or other sto per Q, detachably secured in the'cylindrica upper end B of, the funnel of the lower guider G.
  • An a paratus for producing 'a am from a purality of strands of arti cial fibres, filaments or the like said apparatus comprisingguides forconducting the individual strands -to a point where they meet er into a yarn, a common annularguide for such yarn, means for simultaneously twisting the yarn and drawing it through the common guide, and means for supplyin a continuous stream of liquid to the yarn uri'ng its passage through said common guide, a
  • An apparatus for producing a yarn from a plurality of strands of artificial fibres, filaments or the like comprising guides for conducting the individual strands to a point where they meet and are twisted together into a yarn, acornmon annular guidefor such yarn, a centrifugal box for simultaneously twisting theyarn and drawing it through the annular guide, means for reciprocating the common guide and centrifugal box relatively .toeach other along the axis of the box, and means common guide.
  • An a paratus for producing a igarn from a p urality of strands of arti cial fibres, filaments or the like comprising guides for conducting the individual strands to a point where they meet and are twisted together into a yarn, a commeans for supplying liquid in a continuous stream to the maternal as it passes the individual and common guides.
  • An a paratus for producing a yarn from a 'p urality of strands of artificial fibres, filaments or the like said apparatus comprisin annular guides for con ucting the indivi ual strands to a point where they meet and are twisted to ether into a yarn, a common annular guide or such yarn, means for connecting sald individual and common guides together, a centrifugal box for simultaneously twisting the yarn and drawing it through the common guide, and means for reciprocating the system of connected guides and the centrifugal box relatively to each other along the axis of the box.
  • An apparatus for producing a am from a plurality of strands of arti cial fibres, filaments or the like comprising annular guides for con ucting the individual strands to a point where they meet and are twisted together into a yarn, a common annular guide for such yarn, means for connecting said individual and common guides together, a centrifugal box for simultaneously twisting the yarn and drawing it through the common uide, means for reciproca'ting the system 0% connected guides and the centrifugal box relatively to each other alon the axis of the box, and means for supp ying liquid in a continuous stream to said individual and common ides.

Description

prii H p 21949919 W. P. DREAPER SPINNING AND TWISTING OF STRANDS OF ARTIFICIAL SILK AND OTHER YARNS OR THREADS Filed May 2, 1922 3 Sheets-Sheet 1 AND OTHER W. P. DREAPER F STRA 'Aprifi Ii 1924c SPINNING AND TWIS'IING 0 NDS OF ARTIFICIAL SILK YARNS OR THREADS Filed May 2,
1922 3 sheets sheet 2 1,489,199 W. P. DREAPER SPINNING AND TWISTING OF STRANDS OF ARTIFICIAL SILK AND OTHER April 1 1924.
YARNS OR THREADS Filed May 2 1922 3 Sheets-Sheet 5 MX QA Patented Apr. 1, 1924.
UNITED STATES WILLIAM PORTER DREAPER, OF LONDON, ENGLAND.
SPINNING AND TWISTING OF STRANDS OF ARTIFICIAL THREADS.
SILK AND OTHER YARNS OR Application filed May 2, 1922. Serial No. 557,819.
To all whom it may concern? Be it known that I, WILLIAM Pon'rnn Dam er, a subject of the King of Great Britain, residing at London, England, have invented new and useful Improvements Relating to the Spinning and Twisting of Strands of Artificial Silk and Other Yarns or Threads, of which the following is a specification. n
This invention relates to improvements 1n the spinning of strands of filaments or fibres and particularly those known as art1fic1al silk or the like.
According to my invention, for the purpose of imparting a twist to each of the strands of filaments or fibres forming the yarn before they are twisted together to form the yarn by the action of a centr1fugal box, the several strands are first kept apart for exam is by passing them through or over indivi ual guides, guider tubes or passages, and are then allowed to meet and pass into a common guide such as a guider tube or ring, on their way to the centrlrfugal box, which may be of any suitable diameter. The centrifugal box and the common guider or the whole system of individual and common guidersmay be reciprocated relatively to each other in a known manner in the direction of the axis of the centrifugal box. Moreover, during the spinning, a stream of liquid may be advantageously supplied to the individual or to the common guider tube or to both the individual and the common guider tubes, in cases where tubes or enclosed passages are employed. By the improved method of spinning it is possible, for example, to secure in one operation the twisting of composite yarns and also the twistingv of the strands making up the same, so that the latter remain separate and do not form a sin le and larger twisted strand, as they wou'd otherwise do. Thus a composite yarn may be formed for example from two or more untwisted strands of artificial silk filaments, just as they are formed in a spinning bath or otherwise. This obviates any subsequent doubling and twisting operations heretofore required for producing a composite yarn from an ordinary artificial silk thread or strand. Also by working in this way finer filaments or strands can be operated as the strands are immediately twisted and doubledv or brought together into a larger composite strand or yarn, and in this way also the reduction of output which generally accompanies the roduction of a finer strand of artificial sil is obviated so far as collection ordinarily only be produced by spinninlg1 a denier strand, twisting this and doubling the said strand and then again.
twisting it. There is also a considerable saving in waste due to damage and loss caused by handling in these several operations and consequently a saving in the cost of production.
In the accompanying drawing Figure l is a vertical section partly in elevation showing one. form of apparatus for carrying the invention into practice.
Figures 2 and 3 are central sections illustrating modified forms of the lower end of the common guider tube.
Figures 4 and 5 are vertical sections of modified forms of composite guider tube suitable for my invention.
Figures 6 and 7 are transverse sections of the guider-tube in Figure 5.
Figures 8, 9, 10 and 12 are vertical sections of further modified forms of guider.
Figure 11 is a side elevation of the arrangement shown in Figure 10.
The two strands A, B of artificial silk to be treated are preferably produced side by side from two jets as these operate in the usual spinninebath or otherwise. Any known form of et may be employed. In cases where revolving jets are used, the di= rection of rotation of the jet is preferably the reverse to that produced by the centrifu al box. The two simultaneously produce strands are led separately out of the precipitating bath (where this is used) and, are then preferably passed over a common godet or drawing ofi wheel 0, so that the rate of delivery of the two strands is idea tical. Each strand is then separately id= ed, for example, it passes as arately a special passage in a divi ed tunnel, or alternatively down a se aratefunnel, and,
, whilst separate from see other, the strands receive an individual twist. They then meet and are twisted together to form the composite yarn which asses into the cen trifugal box D. In sue twisti together tea V tions relatively to each other,
of the strands into a composite thread, the individual strands are further twisted on themselves,
In the apparatus shown in Figure l, the strands A, B pass into the tunnels or guider tubes E, F respectively. These tubes converge at their lower ends and deliver the strands into a common conical guider tube G having an outwardly curved lower end. The three tubes E, F, G are lined in a frame H, so as to maintain them in the same posi- The tubes E, F are preferably provided with internal annular ribs or beads J, J to reduce the friction between the strands and the interior walls of the tubes. Moreover provision is preferablymade for sup lying a. continuous stream of liquid to sac of the funnels, for example through pipes K, K as in the specification of my former application Serial No. 515378.
In order to distribute the twisted twostrand yarn uniformly on the interior of the box D, provision is made in a suitable v known manner f r moving the frame H and box D relatively; to each other. Preferably the vertical movement should be operated by a cam motion, arranged so as to obtain a uniform thickness of the tubular cake in the centrifugal box.
In Figure 2 a bell-shaped end L of the common guider-tube G is shown.
Figure 3 shows a trumpet-shaped end M to th1s guider-tube, which is here of somewhat larger diameter than that shown in Figure 1. v
By keepin the strands apart as they leave the g0 et wheel it is found that the twisting that takes place by the action of the centrifugal box, will extend to the single strands above the point where they come -together to form a single multiple-strand yarn and in this way a preliminary twisting of the single strands is obtained which prevents the strands joining up into a larger single strand, as'they would do if not kept apart.
Actual trials will indicate the. proper lengths of the funnels and their res ctive positions and angle of approach, or t e distance from one another of their separate parts. These di'fierences are influenced mainl by the speed at which the centrifugal ox is rotated and the cod of the godet wheel. Where the secon and lower guider is not used the single guiders E, F
' may be joined or led at a suitable angle lnto a common and lower stock or tube N, as shown in Figure 4, in which case special care must be taken to have the respective lengths of the single upper guiders E F suc that the required action can take ace.
By using a specially designed funne and by taking care that the strands do not come together until they come within the region 'show'iL in Figure 5 and each strand may pass down a diflerent side of the cross-piece. Also the form of the funnel may be modilied i. c. it may be flattened out as shown at in Figure 6, so that the strands tend to keep apart as they pass down the opposite sides of this flattened guider.
.ln Figure 8, the upper and lower guiolers E, F" and G" are rigidly connected toether, and in Figure 9 the upper uiders F, F are arranged in holes in an in 1a rubher or other sto per Q, detachably secured in the'cylindrica upper end B of, the funnel of the lower guider G.
In Figures 10 and 11 an arrangement is shown in which the individual gulder tubes E, F are stationary and the lower and common guider Gr is mounted on a frame S' Also the upper uiders on the centrifugal box side of the go et may be dispensed with and the individual strands taken directly from the godet to the place where they meet above the common guider. In this case they are maintained in their correct positions on the godet by passing them through guidecyes, such as those shown at 3, 3 in Figure 1,.
arranged on the precipitating bath side of the godet.
Where more than two strands are used, corresponding means must be taken to se cure the same results. composite yarn is desired, and where this is made up of say artificial silk and natural silk or cotton, it is necessary that care be taken that the rate of delivery of the latter is accurately matched with that of the artificial silk and in this case it is advisable that the natural yarn shall be run off a bobbin and over the same godet and thus be drawn oil at the same rate as the artificial silk strands with which it is to be formed into a com= posite strand. i
be ad- In some cases moreover, it ma In'cases where avanta eous to use individual gui er tubes of di erent lengths.
In the case where the artificial silk strands are produced without the aid of aprecipitatmg bath the strands issuing from two or more jets are led in the same way down a guider or guiders and treated in much the same manner as the other strands. Es-
' and are twisted toget strands meet to the ..for supplym acontinuous stream of'liquid to the yarn uring its passage through saidpecially in this case but generally whererequired it may be advantageous to pass a steady stream of a suitable solution 'ora suitable liquid, down the funnel guiders during this composite spinning.
What I claim is:
1. An a paratus for producing 'a am from a purality of strands of arti cial fibres, filaments or the like, said apparatus comprisingguides forconducting the individual strands -to a point where they meet er into a yarn, a common annularguide for such yarn, means for simultaneously twisting the yarn and drawing it through the common guide, and means for supplyin a continuous stream of liquid to the yarn uri'ng its passage through said common guide, a
2. A process of produci a am from a plurality of strands of arti cia fibres, fila ments or the like, consisting in simultaneously twisting and drawing the individual strands to a olnt where the are allowed to meet andto twisted, together, iding the twisted strands in a substantial y' straight line to a point at a distance from that at which they meet and then laterally, applying by centrifugal force to the laterally extending part 0 the yarn, and applying a continuous stream of iquid to the yarn during its passage from the point at which the omt at which the twisted strands exten laterally.
3. An apparatus for producing a yarn from a plurality of strands of artificial fibres, filaments or the like, said apparatus comprising guides for conducting the individual strands to a point where they meet and are twisted together into a yarn, acornmon annular guidefor such yarn, a centrifugal box for simultaneously twisting theyarn and drawing it through the annular guide, means for reciprocating the common guide and centrifugal box relatively .toeach other along the axis of the box, and means common guide.
4. An a paratus for producing a igarn from a p urality of strands of arti cial fibres, filaments or the like, said apparatus comprising guides for conducting the individual strands to a point where they meet and are twisted together into a yarn, a commeans for supplying liquid in a continuous stream to the maternal as it passes the individual and common guides.
5. An a paratus for producing a yarn from a 'p urality of strands of artificial fibres, filaments or the like, said apparatus comprisin annular guides for con ucting the indivi ual strands to a point where they meet and are twisted to ether into a yarn, a common annular guide or such yarn, means for connecting sald individual and common guides together, a centrifugal box for simultaneously twisting the yarn and drawing it through the common guide, and means for reciprocating the system of connected guides and the centrifugal box relatively to each other along the axis of the box.
6, An apparatus for producing a am from a plurality of strands of arti cial fibres, filaments or the like, said ap aratus comprising annular guides for con ucting the individual strands to a point where they meet and are twisted together into a yarn, a common annular guide for such yarn, means for connecting said individual and common guides together, a centrifugal box for simultaneously twisting the yarn and drawing it through the common uide, means for reciproca'ting the system 0% connected guides and the centrifugal box relatively to each other alon the axis of the box, and means for supp ying liquid in a continuous stream to said individual and common ides.
WILLIAM PORTER REAPER. 'Witnesses:
Comm) Annono, ,WALTER ROBINSON.
US557819A 1922-05-02 1922-05-02 Spinning and twisting of strands of artificial silk and other yarns or threads Expired - Lifetime US1489199A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2633693A (en) * 1947-10-31 1953-04-07 Courtaulds Ltd Traverse mechanism for rayon spinning machines
US2633694A (en) * 1948-11-05 1953-04-07 Courtaulds Ltd Rayon spinning machine
US2718359A (en) * 1955-09-20 Armature -winding machine
US2869319A (en) * 1954-10-28 1959-01-20 Du Pont Bucket process for novelty regenerated cellulose yarn
US2922275A (en) * 1954-10-28 1960-01-26 Du Pont Bucket process for novelty regenerated cellulose yarn
US5448880A (en) * 1991-06-26 1995-09-12 Nauchno-Proizvodstvennoe Obschestvo S Ogranichennoi Otvetstvennostju "Test" Spinning apparatus of a centrifugal spinning machine
CN115489236A (en) * 2022-10-14 2022-12-20 青岛双星轮胎工业有限公司 Reinforcing part for full explosion-proof tire and full explosion-proof tire

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718359A (en) * 1955-09-20 Armature -winding machine
US2633693A (en) * 1947-10-31 1953-04-07 Courtaulds Ltd Traverse mechanism for rayon spinning machines
US2633694A (en) * 1948-11-05 1953-04-07 Courtaulds Ltd Rayon spinning machine
US2869319A (en) * 1954-10-28 1959-01-20 Du Pont Bucket process for novelty regenerated cellulose yarn
US2922275A (en) * 1954-10-28 1960-01-26 Du Pont Bucket process for novelty regenerated cellulose yarn
US5448880A (en) * 1991-06-26 1995-09-12 Nauchno-Proizvodstvennoe Obschestvo S Ogranichennoi Otvetstvennostju "Test" Spinning apparatus of a centrifugal spinning machine
CN115489236A (en) * 2022-10-14 2022-12-20 青岛双星轮胎工业有限公司 Reinforcing part for full explosion-proof tire and full explosion-proof tire

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