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US2455173A - Yarn treating apparatus - Google Patents

Yarn treating apparatus Download PDF

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Publication number
US2455173A
US2455173A US672259A US67225946A US2455173A US 2455173 A US2455173 A US 2455173A US 672259 A US672259 A US 672259A US 67225946 A US67225946 A US 67225946A US 2455173 A US2455173 A US 2455173A
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US
United States
Prior art keywords
roller
rollers
yarn
stretching
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US672259A
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English (en)
Inventor
Ira V Hitt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR962278D priority Critical patent/FR962278A/fr
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to US672259A priority patent/US2455173A/en
Priority to GB13101/47A priority patent/GB637593A/en
Application granted granted Critical
Publication of US2455173A publication Critical patent/US2455173A/en
Priority to DEP28797A priority patent/DE951290C/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/225—Mechanical characteristics of stretching apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/04—Pulling wheel

Definitions

  • This invention is concerned with apparatus for successively stretching and relaxing products and particularly filaments and yarns which are capable of considerable permanent elongation under stress, particularly at elevated temperatures.
  • These polymers may be converted into filaments, yarns and other productsby extrusion of their solutionsthrough suitable forming dies into liquid or gaseous media which will coagulate the polymer from solution. Filaments and yarns formed of these acrylonitrile polymers by wet or dry spinning processes which do not involve substantial stretching of the coagulated filaments are not satisfactory for textile operations since they possess a relatively low dry tenacity, of the order of about 0.5 to 1.5 grams per denier.
  • the following description of the invention will be largely directed ments which may be hot stretched to a considerable extent and/or relaxed wfth improvements in their physical characteristics.
  • the invention is particularly concerned with apparatus for processig of multifilament yarn, it' may be applied with advantage to monofilaments, films and other products which may be advantageously stretched and/or relaxed.
  • One object of this invention pertains to apparatus which operates smoothly and uniformly,
  • rollers By suitable heating and arrangement of the rollers, heat is quickly imparted to the yarn as it passes around the respective rollers, thereby permitting uniform stretching and relaxing of the yarn, the rollers being so driven and so disposed with respect to each other as to exert a minimum 3 of pressure against the yarn as it passes between rollers to and from the stretching zone so as to minimize mechanical damage to the yarn, while at the same time preventing slippage and wandering of the yarn across the rollers.
  • Figure 1 represents a diagrammatic view in perspective of a front elevation of one form of thread processing apparatus jwhich can be used in the practice of the invention
  • Figure 2 represents a plan view of the apparatus shown in Figure 1
  • Figure 3 represents a partial side elevation of the apparatus of Figure 1, showing the course of a number of yarns processed together in parallel on the apparatus,
  • Figure 4 represents an elevation viewed from the other side of the apparatus in Figure 1
  • Figure 5 shows a perspective view of an auxiliary heating device.
  • a frame l0 rigidly supported in any suitable fashion has journaled therein for rotation shafts H, l2 and I3, mounted respectively in bearings i5, i8 and It, the shafts being independently driven from variable speed transmissions (not shown).
  • 8 and I8 are mounted on shafts ll,
  • Roller is fixed to shaft 2
  • of roller 20 is rotatably supported in arms 28 by means of bearings 28 positioned on shaft 2
  • and i3 will rotate at the same peripheral speed.
  • the gears 36 and 31 are maintained in mesh in normal operation by the canted position of arms 33 which brings the center of gravity of roller 3
  • Roller i8 is heated in a manner similar to roller I! to a temperature normally somewhat higher than that of roller l1.
  • is normally not heated, but may be heated if desired.
  • does not rest against roller I8, but is mounted for normal clearance, in a position closest to roller I8, of a very small amount, not much more than the diameter of the yarn passing between rollers 3
  • Roller 38 is fixed to rotate with shaft 39 which is mounted, like rollers 20 and 3
  • Roller 38 is surface driven from roller l8, being positioned with its center of gravity between roller I8 and pivot 4i so as to bear with some pressure against roller l9, but being free to move away from roller Hi to a limited extent so as to accommodate different sizes of yarn passing between the rollers. Since the stress on the yarn passing between rollers 38 and I3 is less than that between the other F rollers, roller 38 may press against roller ill with Roller
  • Arms 28 are supported for movement on a pivot 28 mounted in a bracket 21 fixed to frame Ill, and are normally canted towards roller ll so as to cause roller 20 to rest against roller l1. Bracket 21 and the positions of rollers i1 and 28 can be seen in Figure 1. Roller 20 is chosen of such a weight and is positioned with respect to pivot 23 at such an angle of support as normally to rest against roller
  • Roller 28 is mounted at one end for free rotation in bearing 28 disposed in bracket 21 attached to frame I0.
  • , fixed to shaft 32 is mounted similarly to roller 20 in arms 33 supported,
  • roller 28 is canted or askew with respect to roller 3
  • is gear driven in the same manner as roller 20 by means of a gear 36 fixed on shaft 32 and meshing with gear 31 fixed on shaft I2 but it may be colder or slightly warmer.
  • Roller 38 while preferably not heated, may also be heated or cooled if desired.
  • Roller 38 can be positively driven from roller Is by intermeshing gears in the manner described with respect to rollers 20 and 3
  • and 38 may be pivotably mounted in any suitable way, the pivot point being above or oil to one side; if gravity does not pull rolls together, a spring may be used.
  • the surface drive between rollers 38 and I9 may be effected by providing roller 38 with a resilient surface such as rubber or cork, these rollers serving as feed rollers for feeding the yarn to a collecting device.
  • One form of collecting device is represented by pirns 43 in a ring twister having centering guides M, the ring of the ring twister not being shown in the drawing.
  • the yarn 45 ( Figure 1) is fed from any suitable source of supply (not shown) such as a bobbin, to roller 20, passing for some distance around roller l l, in the manner shown in the drawings, at a moderate tension.
  • the roller 20 presses against roller H with a pressure sufficient to prevent the yarn from slipping, but insufflcient to cause any mechanical damage to the yarn, one pound total pressure being adequate for most operations.
  • the yarn is heated on roller i1 to a relatively high temperature since elevated temperature facilitates drawing of acrylonitrile polymer yarns, the yarn then passing around separator roller23 and positively driven roller 3
  • peripheral speed of roller 88 is less than that of roller 58 by an amount suificient to effect the desired degree of relaxation of the yarn.
  • the temperature of roller 33 is less than that of roller is, since this assists in inducing relaxation of the yarn.
  • yarn can be fed into the apparatus under relatively low tension and can be-uniformly stretched and relaxed, without slippage.
  • the apparatus can be used without special adjustment with yarns'of different denier since the rollers can move apart tosome extent without disengaging the gears and without damaging the yarns. Lihewise, the rollers may move apart without unmeshing the gears, to accommodate minor irregularities in the yarns. Morever, if yarn wraps should build up on any of the rollers, the pivotally mounted, gear driven rollers may move away from their companion rollers by a distance sumcient to disengage the gears and thereby'prevent damage to the equipment. The surface driven lowermost roller can also move away from its companion driving roller as the yarn wrap builds up.
  • Roller i! is heated to 150 C. and roller 26 presses against roller IT with a pressure of one pound, without allowance for diminution of the pressure by action of the yarn.
  • the yarn passes more than 180 around roller I! to separator roller 26.
  • roller 3i and the separator ro ler three or four times and thence to roller i8, heated to 170 C., the peripheral speed of the separator roller and rollers 3i and i8 being 200 yards per minute to impart a stretch of 900% to the polyacrvlonitrile ya n.
  • he r/am then passes succe sively around rollers 38 and i9, having a peripheral speed of 160 yards per minute and being heated to a temperature of 32 C.
  • the tension between rolersi8 and 38 is as low as possible to permit the greatest amount of skrinka-ge of the yarn under the prevailing temperature.
  • After passing around roller 19. the yarn is fed to the ring twister at a tension slightl in excess of the tension between rollers l8 and 38. While particular reference has been made to yarns and filaments composed of polyacrylonitrile, it will be understood that the invention drawings.
  • any yarn which can be stretched under the influence of heat and which may be heat relaxed thereafter with advantage.
  • yarns are yarns com posed of nylon or of other linear condensation polymers, of cellulose acetate, of other vinyl polymers such as vinyl acetate including the conjointpolymers composed of vinyl acetate and 25% vinyl chloride.
  • the invention isapplied with particular advantage to acrylonitrile polymer yarn in which the polymer contains at least acrylonitrile in the polymer molecule.
  • the yarn to be stretched in accordance with this invention must be properly ten'sioned before entering the nip between rollers 20 and H. Too low a tension permits thread to wander on the succeeding rollers. This is a particular disadvantage when a number of threads are being processed in the apparatus as is shown in the Wandering of the yarn furthermore may interfere with the obtaining of uniform yarn characteristics.
  • The-amount of tension to be applied depends on the pressure at which roller 293 must be pressed against roller i? to avoid slippage and may be readily determined by experiment.
  • the amount of tension is in the neighbox-hood or about 3 or 4 grams total tension.
  • the number of units shown in the drawing and described above for the stretching and relaxing of yarn that can be used on a twisting machine is determined by the pirn spacings on the twister and the number of yarn ends that can be satisfactorily handled over a single series of rollers. This is a question of mechanical design and adaptation of the novel apparatus to any par ticular available equipment.
  • rollers of the apparatus are prefer-- ably driven from variable speed transmissions, any suitable driving means may be employed in lieu of variable speed mechanisms.
  • the gear drive between rollers of the same series can be i replaced by other forms of drive, such as chain drive, belt drive and the like.
  • One mode of heating the rollers is to utilize an internally heated shell or a stationary element around which the roller rotates with an approxiyarn from a take-off mate clearance of 0.006 inch or less, this latter means ofiheat transmission being eflective to produce uniform and rapid heating of the roller. Steam, electricity and other methods of heating can be resorted to.
  • Additional heat may be applied to the yarnby using a heated metal shoe 48, such as that shown in Figure 5.- This may be mounted concentrically above such a roller as roller i
  • the shoe may be heated electrically as by electrical terminals 41.
  • Shoe temperatures normally used vary from 150 C. to 350 C. depending upon the yarn denier, input speed, the temperature of the particular roller and the clearance between the roller and the shoe. While the physical dimensions of the shoe may be varied over wide limits. it has been found that a shoe two inches wide, 3/ inch thick and conforming to a 137arc on a. 3% inch radius gives the desired results.
  • the heated shoe may be used with any one or all of the heated rollers to aid in heating the yarn during stretching or relaxing procedures or both.
  • the use of such a heated shoe is advantageous in that the maximum yarn input speed at which successful operation is obtained may be doubled. Further, the stretching of heavier yarn bundles is facilitated and the temperature required on the stretching rolls is considerably lower.
  • the maximum permissible yarn input speed for producing IOU-40 count yarn was increased from 25 to 45 yards per minute, using the shoe described above at a inch spacing and a shoe temperature of 300 C. at which the electrical energy consumed was about 250 watts.
  • the above description has specified the pivotins: of gear driven rollers 20, 3
  • Other forms of mechanical motion for imparting the desired degree of movement may be used.
  • the movable rollers may, for example, instead of being pivoted. have a non-rotatable sliding connection with the shafts on which the rolls are mounted; e. g. the rollers may be provided with a rectangular slot allowing for the non-rotatable mounting of the rollers on a square or rectangular shaft, the slot length being sufficiently greater than the cross-sectional width of the shaft to permit the desired amount of movement.
  • Roller temperatures will be selected in accordance with the degree of stretch desired, the distance between rollers, the size of the rollers, the size and number of threads passing through the apparatus and other variables.
  • the roller I! is generally heated to about 130. to 170 C. with roller l8 preferably but not necessarily being heated to a somewhat higher temperature than roller H, e. g. 10 to 50 higher, and roller 38 will have a temperature somewhat lower than that of roller I8 as a matter of preference to assist in the shrinking and collecting of the yarn.
  • the relative peripheral speeds of the rollers between which the yarn passes will depend, as to the stretching rollers, on the per cent stretch desired and as to the relaxing rollers, on the degree of shrinkage which the yarn will undergo at the temperature conditions prevailing.
  • roller diameters are generally designed to give sufllcient heating surface to permit yarn speeds up to 300 yards per minute or more at nine to ten times stretch between rollers l1 and Any departure from the design of apparatus and mode of operation described above which conforms to the principle of the invention is intended to be included within the scope of the claims.
  • Apparatus for stretching at elevated temp-eratures an extensible material comprising, in combination, a roller, a shaft for driving said roller, a second roller, mechanism connected with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers, a movable mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and a stretching roller adapted to operate at a higher peripheral speed than said first roller.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in combination, a roller,a shaft for driving said roller, a second roller, gear mechanism connected with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers, a movable mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and a stretching roller adapted to operate at a higher peripheral speed than said first roller.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in combination, a roller, a shaft for driving said roller, 3. second roller, gear mechanism connected with said shaitand said second roller for driving said second roller, means for heating at least one of said rollers, a pivoted mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and a with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers, a pivoted mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and two stretching rollers adapted to operate at a higher peripheral speed than said first roller.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in combination, a roller, a shaft for driving said roller,
  • a second roller gear mechanism connected with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers, a pivoted mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and two stretching rollers adapted to operate at a higher peripheral speed than said first roller, one of said stretching rollers being provided with movable mounting means for permitting relative moveglint between said stretching rollers during roa ion.
  • rollers a pivotal mounting for one oi said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation and two stretching rollers adapted to operate at a higher peripheral speed than said first roller, one of said stretching I rollers being provided with driving means, the other of said stretching rollers being provided with means connected with said driving means whereby to drive said second roller, one of said stretching rollers being provided with movable mounting means for permitting relative movement between said stretching rollers during rotation.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in
  • a roller a shaft for driving said roller, a second roller, mechanism connected with said shaft and said second roller for driving, said second roller, means for heating at least one of said rollers a movable mounting for one of said rollers permitting peripheral contact -between' said rollers and permitting relative movement between said rollers during rotation, stretching means for extending said material and relaxing means for permitting relaxing of the stretched material.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in combination, a roller, a shaft for driving said roller, a second roller, mechanism connected with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers a movable mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation, a stretching roller adapted to operate at a higher peripheral speed than said first roller and a relaxing roller adapted to operate at a lower peripheral speed than said stretching roller.
  • Apparatus for stretching at elevated temperatures an extensible material comprising, in combination, a roller, a shaft for driving said roller, a second roller, gear mechanism connected with said shaft and said second roller for driving said second roller, means for heating at least one of said rollers a pivoted mounting for one of said rollers permitting peripheral contact between said rollers and permitting relative movement between said rollers during rotation, two stretching rollers adapted .to operate at a higher peripheral speed than said first roller and two relaxing rollers adapted to operate at a mounting means for permitting relative movement between said stretching rollers during rotation and two relaxing rollers adapted to operate at a lower peripheral speed than said stretching rollers, one of said relaxing rolers being provided with movable mounting means for permitting relative motion between said relaxing rollers during rotation.
  • roller means for driving said'roller, a second roller, mechanism connected with said driving means and said second rollerfor driving said second roller at the same peripheral speed as said first roller, means for heating at least one of said rollers movable mounting means for one of said rollers for permitting peripheral contact between said rollers and for permitting relative movement between said rollers during rotation.
  • Apparatus comprising, in combination, a roller, means for driving said roller, a second roller, gear mechanism connected with said driving means and said second roller for driving said second roller at the same peripheral speed as saidflrst roller, means for heating at least one of said rollers movable mounting means for one of said rollers for permitting peripheral contact between said rollers-and for permitting relative movement between said rollers during rotation.
  • Apparatus comprising, in combination, a roller, means for driving said roller, a second roller, gear mechanism connected with said driving means and said second roller for driving said second roller at the same peripheral speed as lower peripheral speed than said stretching rollers.
  • Apparatus for stretching at elevated temsaid first roller means for heating at least one of said rollers, pivoted mounting means for oneof said rollers for permitting peripheral contact between said rollers and for permitting relative movement between said rollers during rotation.
  • Apparatus comprising, in combination, a roller, means for driving seid roller, a second roller, gear mechanism connected with 'said driving means and saidsecond roller for driving said second roller at the same peripheral speed as said first roller, means for heating at leastone of said rollers pivoted mounting means for one of said rollers for permitting peripheral contact between said rollers and for permitting relative movement between said rollers during rotation, said pivoted mounting being adapted to position the center of gravity of the roller mounted thereon betweenthe pivot point of said mounting and said otherroller.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US672259A 1946-05-25 1946-05-25 Yarn treating apparatus Expired - Lifetime US2455173A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR962278D FR962278A (xx) 1946-05-25
US672259A US2455173A (en) 1946-05-25 1946-05-25 Yarn treating apparatus
GB13101/47A GB637593A (en) 1946-05-25 1947-05-15 Improvements in or relating to apparatus for stretching synthetic yarns, threads, filaments, foils and films
DEP28797A DE951290C (de) 1946-05-25 1948-12-31 Vorrichtung zum Strecken und Schrumpfenlassen von in der Hitze plastisch werdenden kuenstlichen Faeden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US672259A US2455173A (en) 1946-05-25 1946-05-25 Yarn treating apparatus

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US2455173A true US2455173A (en) 1948-11-30

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US672259A Expired - Lifetime US2455173A (en) 1946-05-25 1946-05-25 Yarn treating apparatus

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DE (1) DE951290C (xx)
FR (1) FR962278A (xx)
GB (1) GB637593A (xx)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542595A (en) * 1947-10-17 1951-02-20 Modern Plastic Machinery Corp Orientation machine for plastic filaments
US2611923A (en) * 1949-08-31 1952-09-30 Du Pont Method and apparatus for the drawing of synthetic funicular structures
US2624934A (en) * 1948-04-23 1953-01-13 W M Steele Company Inc Method of and apparatus for heat treatment of filamentary material
US2639485A (en) * 1949-06-29 1953-05-26 Goodrich Co B F Industrial cord treating apparatus
US2640251A (en) * 1949-02-21 1953-06-02 Modernisations Pour L Ind Text Warping machine
US2735160A (en) * 1956-02-21 Yarn stretching device
DE960578C (de) * 1952-01-04 1957-03-21 Josef Pfenningsberg & Co Vorrichtung zum Strecken von synthetischen Faeden aus thermoplastischen Hochpolymeren
DE1025095B (de) * 1952-01-04 1958-02-27 Josef Pfenningsberg & Co Vorrichtung zum Warmstrecken von synthetischen Faeden aus thermoplastischen Hochpolymeren
US2853738A (en) * 1952-01-04 1958-09-30 Heinz Weller Jr Apparatus for drawing of synthetic fibres
US2977746A (en) * 1958-06-09 1961-04-04 Deering Milliken Res Corp Apparatus for processing thermoplastic yarns
US3009231A (en) * 1957-04-10 1961-11-21 Glanzstoff Ag Apparatus for heat-stretching of synthetic polymer threads
US3018608A (en) * 1957-05-08 1962-01-30 Glanzstoff Ag Process for the production of lowshrinkage polyethylene terephthalate threads
US3022132A (en) * 1957-02-25 1962-02-20 Shaw Gilbert Apparatus and method for orienting and mixing of synthetic fibers
US3090997A (en) * 1958-11-26 1963-05-28 Du Pont Method of continuous treatment of as-spun birefringent polyamide filaments
US3091015A (en) * 1955-06-30 1963-05-28 Du Pont Drawing of nylon
US3102321A (en) * 1958-06-09 1963-09-03 Deering Milliken Res Corp Methods for processing thermoplastic yarns
US3106442A (en) * 1956-07-17 1963-10-08 Montecantini Societa Generale Method of producing dimensionally stable polypropylene fibers
US3217355A (en) * 1963-11-04 1965-11-16 Monsanto Co Roll wrap preventer
US3492805A (en) * 1968-02-16 1970-02-03 Monsanto Co Staple acrylic yarns for threads and cordage
US3766614A (en) * 1970-09-03 1973-10-23 Ici Ltd Apparatus for drawing filaments
US3790996A (en) * 1971-09-23 1974-02-12 Roannais Constr Textiles Yarn guiding apparatus
US3805346A (en) * 1971-08-23 1974-04-23 Concorde Fibers Method for treating yarn
US3902231A (en) * 1970-12-07 1975-09-02 Bancroft & Sons Co J Method and apparatus for drawing and crimping yarn
US3905076A (en) * 1972-03-29 1975-09-16 Fiber Industries Inc Drawing apparatus
JPS5325060B1 (xx) * 1970-07-31 1978-07-25

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE566145A (xx) * 1957-03-27
DE1248855C2 (de) * 1960-08-13 1973-10-18 Verfahren zur herstellung von fasern oder faeden aus linearen polyestern

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US798989A (en) * 1903-08-07 1905-09-05 Joseph H Young Skeining or winding machine mechanism.
GB365788A (en) * 1931-01-23 1932-01-28 York Street Flax Spinning Comp Improvements in yarn-winding frames
US2034657A (en) * 1933-10-02 1936-03-17 North American Rayon Corp Roller feeding device
US2129284A (en) * 1936-03-23 1938-09-06 North American Rayon Corp Roller feeding device
US2132753A (en) * 1938-10-11 Yarn and cord stretching apparatus
US2173997A (en) * 1939-02-21 1939-09-26 Clark Thread Co Method of treating sewing thread and the thread resulting therefrom
US2226135A (en) * 1939-01-19 1940-12-24 Us Rubber Co Cord stretching and winding machine
US2284399A (en) * 1938-03-16 1942-05-26 American Enka Corp Apparatus for the manufacture of artificial materials
US2289232A (en) * 1939-07-14 1942-07-07 Du Pont Method and apparatus for producing filamentary structures
US2325060A (en) * 1942-02-25 1943-07-27 Du Pont Nonshrinking yarn
US2381398A (en) * 1944-05-04 1945-08-07 Firestone Tire & Rubber Co Apparatus for processing cord

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE523532C (de) * 1929-04-18 1931-04-24 I G Farbenindustrie Akt Ges Vorrichtung zum Streckspinnen von Viskose-Kunstseidenfaeden
DE609802C (de) * 1935-02-23 Steckborn Kunstseide A G Vorrichtung zur Herstellung von Viskosekunstseide unter Streckung
DE742276C (de) * 1940-05-21 1943-11-26 Ig Farbenindustrie Ag Streckwerk zum nachtraeglichen Verstrecken organischer Gebilde aus geschmolzenen Massen

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132753A (en) * 1938-10-11 Yarn and cord stretching apparatus
US798989A (en) * 1903-08-07 1905-09-05 Joseph H Young Skeining or winding machine mechanism.
GB365788A (en) * 1931-01-23 1932-01-28 York Street Flax Spinning Comp Improvements in yarn-winding frames
US2034657A (en) * 1933-10-02 1936-03-17 North American Rayon Corp Roller feeding device
US2129284A (en) * 1936-03-23 1938-09-06 North American Rayon Corp Roller feeding device
US2284399A (en) * 1938-03-16 1942-05-26 American Enka Corp Apparatus for the manufacture of artificial materials
US2226135A (en) * 1939-01-19 1940-12-24 Us Rubber Co Cord stretching and winding machine
US2173997A (en) * 1939-02-21 1939-09-26 Clark Thread Co Method of treating sewing thread and the thread resulting therefrom
US2289232A (en) * 1939-07-14 1942-07-07 Du Pont Method and apparatus for producing filamentary structures
US2325060A (en) * 1942-02-25 1943-07-27 Du Pont Nonshrinking yarn
US2381398A (en) * 1944-05-04 1945-08-07 Firestone Tire & Rubber Co Apparatus for processing cord

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735160A (en) * 1956-02-21 Yarn stretching device
US2542595A (en) * 1947-10-17 1951-02-20 Modern Plastic Machinery Corp Orientation machine for plastic filaments
US2624934A (en) * 1948-04-23 1953-01-13 W M Steele Company Inc Method of and apparatus for heat treatment of filamentary material
US2640251A (en) * 1949-02-21 1953-06-02 Modernisations Pour L Ind Text Warping machine
US2639485A (en) * 1949-06-29 1953-05-26 Goodrich Co B F Industrial cord treating apparatus
US2611923A (en) * 1949-08-31 1952-09-30 Du Pont Method and apparatus for the drawing of synthetic funicular structures
DE960578C (de) * 1952-01-04 1957-03-21 Josef Pfenningsberg & Co Vorrichtung zum Strecken von synthetischen Faeden aus thermoplastischen Hochpolymeren
DE1025095B (de) * 1952-01-04 1958-02-27 Josef Pfenningsberg & Co Vorrichtung zum Warmstrecken von synthetischen Faeden aus thermoplastischen Hochpolymeren
US2853738A (en) * 1952-01-04 1958-09-30 Heinz Weller Jr Apparatus for drawing of synthetic fibres
US3091015A (en) * 1955-06-30 1963-05-28 Du Pont Drawing of nylon
US3106442A (en) * 1956-07-17 1963-10-08 Montecantini Societa Generale Method of producing dimensionally stable polypropylene fibers
US3022132A (en) * 1957-02-25 1962-02-20 Shaw Gilbert Apparatus and method for orienting and mixing of synthetic fibers
US3009231A (en) * 1957-04-10 1961-11-21 Glanzstoff Ag Apparatus for heat-stretching of synthetic polymer threads
US3018608A (en) * 1957-05-08 1962-01-30 Glanzstoff Ag Process for the production of lowshrinkage polyethylene terephthalate threads
US3102321A (en) * 1958-06-09 1963-09-03 Deering Milliken Res Corp Methods for processing thermoplastic yarns
US2977746A (en) * 1958-06-09 1961-04-04 Deering Milliken Res Corp Apparatus for processing thermoplastic yarns
US3090997A (en) * 1958-11-26 1963-05-28 Du Pont Method of continuous treatment of as-spun birefringent polyamide filaments
US3217355A (en) * 1963-11-04 1965-11-16 Monsanto Co Roll wrap preventer
US3492805A (en) * 1968-02-16 1970-02-03 Monsanto Co Staple acrylic yarns for threads and cordage
JPS5325060B1 (xx) * 1970-07-31 1978-07-25
US3766614A (en) * 1970-09-03 1973-10-23 Ici Ltd Apparatus for drawing filaments
US3902231A (en) * 1970-12-07 1975-09-02 Bancroft & Sons Co J Method and apparatus for drawing and crimping yarn
US3805346A (en) * 1971-08-23 1974-04-23 Concorde Fibers Method for treating yarn
US3790996A (en) * 1971-09-23 1974-02-12 Roannais Constr Textiles Yarn guiding apparatus
US3905076A (en) * 1972-03-29 1975-09-16 Fiber Industries Inc Drawing apparatus

Also Published As

Publication number Publication date
GB637593A (en) 1950-05-24
FR962278A (xx) 1950-06-07
DE951290C (de) 1956-10-25

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