US3677484A - Method for winding up a thin layer material having a broad width - Google Patents

Method for winding up a thin layer material having a broad width Download PDF

Info

Publication number
US3677484A
US3677484A US79091A US3677484DA US3677484A US 3677484 A US3677484 A US 3677484A US 79091 A US79091 A US 79091A US 3677484D A US3677484D A US 3677484DA US 3677484 A US3677484 A US 3677484A
Authority
US
United States
Prior art keywords
wound
yarn
thin layer
layer material
winding
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
US79091A
Other languages
English (en)
Inventor
Masahide Yazawa
Haruhisa Tani
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.)
Polymer Processing Research Institute Ltd
Original Assignee
Polymer Processing Research Institute Ltd
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
Application filed by Polymer Processing Research Institute Ltd filed Critical Polymer Processing Research Institute Ltd
Application granted granted Critical
Publication of US3677484A publication Critical patent/US3677484A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/32—Coiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/06—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making cross-wound packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/39—Other types of filamentary materials or special applications
    • B65H2701/3916—Inserts between layers of wire, hose or yarn

Definitions

  • ABSTRACT A thin layer material having a large width can be wound up around a winding core by continuously supplying and inserting an elongated continuous yarn-like material, which traverses the thin layer material, in between one wound layer and another to leave a clearance along the inserted yarn-like material. lrregularities in thickness of the thin layer material are absorbed into the clearance, whereby a long length of wide thin layer material can be wound up into a cylindrical form of larger diameter.
  • the greater portion of thus supplied yarn-like material can be formed into almost wound at first and then are chords at both the side faces of the wound cylindrical roll of the thin layer material, and the resulting chords cover the side surfaces of the woundup cylindrical roll of the layer material, whereby the side faces of the wound roll are protected through a large number of the yam-like materials forming said are chords, and at the same time, deformation, such as telescoping of the wound thin layer material can be prevented, even when loosely wound up and also the successive unwinding can be easily assured.
  • FIG.2 1 Claim, 4 Drawing Figures Patented July 18, 1972 2 Sheets-Sheet l Patented July 18, 1972 2 Sheets-Sheet 'l FIG.2
  • This invention relates to a method for winding up a thin layer material having a broad width, and more particularly to a method for winding up a thin layer material having a broad width, where a thin layer material having a broad width such as a film and thinly spread filament tow, etc., is wound up onto a winding core, which comprises continuously supplying and inserting an elongated consecutive yarn-like material, reciprocatingly traversing the thin layer material into between one wound layer and another, even if there is a little irregularity in thickness of the thin layer material; winding up the thin layer material while leaving a clearance along the yarn-like material between the wound up layers thereof, thereby to make the clearance absorb the irregularity in the thickness and make it possible to wind up the thin layer material into a roll of cylindrical form, even if the long thin layer material is to be wound up into a roll of larger diameter; making a width to which the yarn-like material is
  • the "thin layer material having a broad width" defined in the present invention can include the following materials.
  • Group A Yarn and filament layers of organic and inorganic fibers extended to a thin layer, which can be illustrated by:
  • a towform processing such as heat-treatment, drying, bleaching, drying, crimping, etc.
  • Parallel yarn layer of filament yarns which has been subjected to stretching, heat treating, cohering by pasting, drying and laterally extended in a parallel state where, for example, 200 to 300 filament yarns are extended laterally to a width of 50 cm.
  • split fiber web in a reticular structure obtained by subjecting a broad monoaxially stretched film to a splitting process; a non-woven fabric of split fibers which is obtained by further extending said split fibers web to a definite broadness and whose web fiber arrangement is fixed by an adhesive binder; and non-woven fabric of split fibers having warp and weft construction and prepared from said split fiber web where the warp and wefi layers are fixed together.
  • Group B Film and sheet such as:
  • Non-stretched film of thermoplastic polymer whose irregularity in thickness is generally in a range of t 5 30 percent when molded by extrusion.
  • Processed films and laminates of the films (6), (7) and The "Yarn-like material" used in the present invention means a narrow and elongated consecutive yarn-form product having a good dimensional stability in a longitudinal direction and a little elastic bulkiness in the direction of thickness, and includes, for example:
  • the thin layer material has always some extent of deviations 5 30 percent) in thikness along both lateral and longitudinal directions in its manufacturing and processing processes, but an occurence of such irregularities in thickness is an inevitable phenomenon.
  • an irregularity in diameter of the wound roll that is, convexed parts and concaved parts appears along the entire width due to the irregularity of the material in thickness when a considerably long thin layer material is wound up.
  • Tension at every convex part becomes higher, and such a higher tension gives an unfavorable influence upon the quality of wound-up product.
  • FIG. la shows a state where a yarn-like material is supplied onto a thin layer material while being reciprocatingly overtraversed to a width greater than the width of the thin layer material, which has a broad width;
  • FIG. lb shows how the over-traversed yarn-like material is wound over a winding core with an increase in the winding diameter of the thin layer material roll'
  • FIG. 2 shows a state where the yarn-like material, which becomes a chord over the side face of the wound cylinder when the thin layer material is wound onto the winding core, is piled up in layers, if the winding diameter is smaller;
  • FIG. 3 shows a schematic plan view of a winding apparatus as an example.
  • FIG. 1a is a plan view of the wound-up thin layer material, which has been unfolded into a plane.
  • a yarn-like material 2 crosses the thin layer material at an angle 0 to the travelling direction of thin layer material and is placed on the thin layer material to the extent of length L.
  • the yarn-like material leaves the thin layer material at a point 3 at the left edge of the thin layer material and is over-traversed up to a point 4 in the forward course.
  • the yarn-like material is placed again on the thin layer material at a point at the left edge of the thin layer material, At that time, the yarn-like material constituting two sides of a triangle as shown by the dotted line from the points 3, through 4 to 5 goes along the side surface of the wound material as a chord from point 3 to point 5 as indicated in a full line in the drawing, owing to a tension applied to the yarn-like material.
  • the yarn-like material at the initial stage of winding, comes in touch with the winding core 6 after it leaves the edge of the thin layer material and advances along the side surface thereof, as shown by I, in FIG.
  • chord 1 becomes an arc chord to the winding circumference without any contact with the winding core.
  • the chord 1 appears more than once at the side face of the wound roll. That is, the chord 1,, appears twice as 1 on one side face of the wound cylinder at some winding diameter, as shown in the drawing. At that time, 1, appears twice at the other side face thereof. In other words, L is placed more than four times on the thin layer material by one round.
  • the numbers of I,, and L by one round are increased, though not shown in the drawings.
  • 1, at the side face of the wound cylinder lies far from the edge part of the wound cylinder and approaches the edge part with greater inclination.
  • the inclination of 1, With the increase of winding diameter the inclination of 1,, becomes smaller. From the point where 1,, takes a tangential line form to the winding core, 1,, runs almost straight along the side face of the wound cylinder. Accordingly, as shown in FIG. 2, the wound form is such that nearer the wound chord 1,, to the winding core 6, the thicker the piling of 1,,.
  • FIG. 3 shows one embodiment of an apparatus for winding up a thin layer material.
  • a yarn-like material 2 is supplied from a bobbin 7, and passes through resistance rods 8 and 8' to give a proper tension thereto, through a guide 9 provided with a coil spring to keep a tension almost constant, even if a pulling out speed of the yarn-like material is changed, for instance, at the time of over-traversing, and through a tip guide 12 at a traverse rod ll, whose root end is supported by a pivot l0, and reci rocatingly traversed over a cylindrical roll of the thin layer l3, which has been already wound up.
  • the yarn-like material is over-traversed beyond the width of the wound thin layer material and reciprocatingly moves between points 4 and 4'.
  • the yarn-like material is continuously pulled out as the wound roll revolves and inserted into between one layer and another of the thin layer material at an inclined angle.
  • the shape, which the over-traversed yarn-like material takes at both the side faces of the cylindrical wound-up layer, has been already explained above, referring to FIG. lb.
  • the change in the supply speed of the yarn-like material according to the change in the form of I, from the points 3, through 4 to 5 is adjusted by elongation or contracting of the coil spring and the yarn-like material is supplied under an almost uniform tension. Any other suitable method for traversing the yarn-like material can also be employed.
  • the first object and effect of inserting the yarn-like material in between one layer and another of the wound cylindrical roll is to provide an inclined clearance between the layers by insertion of the yarn-like material which allows an irregularity in the thickness of the thin layer material to be absorbed in the clearance and thus makes it possible to wind up a considerably lengths of thin layer material into a cylindrical roll, because the yarn-like material, even if inserted at a constant pitch, is inserted many times into each neighboring layers and scattered in an inclined form between each layer of the wound roll at some winding diameter, since the winding diameter of the thin layer material increases on each round and the inserting position of the yarn-like material is consequently changed.
  • the second object and effect is, as explained, referring to the drawing, to provide an action which protects an edge part of the wound layers of the thin layer material by the use of wound chord layers at the side faces of the cylindrical wound roll.
  • the third object and effect is to completely prevent a winding collapse, because the side face of the wound cylinder are protected from slipping by the wound chord in accordance with the present invention.
  • the wound layers are liable to slip out and sometimes are transformed into a shape like a telescope. That is, winding deformation and roll collapse often occur in the usual winding practice.
  • the fourth object and effect is to make sure that the unwinding operation is without any damage to remaining or newly developed fluff, which is particularly important in the case where the thin layer material is a broad, parallel filament or yarn layer, because, when the yarn-like material is inserted into between the layers at a constant pitch, the fluffs, which are liable to remain or appear in the yarn layer when unwinding the wound layers, are swept away and separated by yarnlike material unwound together with the thin layer material by a separate means.
  • the number of inserted yarn-like material in each round is increased with an increase in the winding diameter from the start of winding. That is to say, the wound layer is subjected to sweeping by a number of the yarnlike material in one round, at the unwinding, in the case of the wound layers of large diameter. Even if the unwinding comes near the winding core, the fluffs are swept away once in one turn.
  • a yarn-like material having an elastic bulkiness in the thickness direction is more preferable and meets the object of preventing the wound layers and the yarn-like material from slipping, and also prevents a winding from deforming and a package from collapsing, whereby a long, thin layer material can be wound up into a cylindrical roll of larger diameter.
  • the thin layer material having a broad width includes the Group (A) of fibers and yarns and the Group (B) of films and sheets, and the present invention is applicable to any of these groups effectively, but there is some modification in application, depending upon the groups.
  • the significance to endow crimps is merely to improve a clinging property of the fibers to each other and has the object to make the handling thereof free from any trouble in case of unpacking, etc. in subsequent processes.
  • the crimped tow is bulky and therefore its shipping form is a package of fibers, whose apparent winding density is as low as 0.26 0.30. As a result, its packaging cost and transportation cost become higher.
  • the parallel fibers may be directly wound up onto a bobbin, flufls are liable to be generated at the unwinding, and once fiuffs are generated, these fluffs induce another fiuffs. Consequently, smooth unwinding is impossible. When wound up by traversing, the tow undergoes false twisting of a long pitch between each turning back and the parallel properties of the fibers are sometimes damaged. Thus, the tow has not yet been practically wound up.
  • Filament tows of polyester, nylon, polypropylene, polyacrylic, etc. have been heretofore produced and procescd as a broad, thin layer material of 30 50 cm of a tow of 300,000 to 500,000 d. not only up to a stretching step, but also to a heat-treating step except for the polyacrylic fibers, and if they can be plainly wound up and unwound without any trouble, the shipping forms will become smaller and the transportation cost will become cheaper.
  • an invention of a better method for enabling the plain winding-up and easy unwinding has been longed for.
  • the fluffs are swept away by the inserted yarn-like material at the unwinding, and therefore the unwinding can be effected without any trouble. That is, a cylindrical plain winding-up can be effected.
  • a tow laterally extended to a width of 50 cm is plainly wound up onto a winding core having a diameter of cm, and the wound cylindrical roll having an apparent winding density of 0.4] can be obtained when the winding diameter reaches 80 cm. That is, fibers of I00 kg can be plainly wound up.
  • Said method is useful for uniformly spreading or converging a band comprised of a great numbers of filaments by the step of placing said band transversely across and between the turns of a coil spring of substantially uniform cross-section whereby the turns of the helix separate the filaments comprising the band into a plurality of portions, altering the distance between the turns of the helix to correspondingly enlarge or narrow the width of the band, and removing the band of adjusted width from contact with said coil spring.
  • the tow is extended to a larger width for the portion near the winding core, and the extended width of the tow is gradually narrowed with an increase in the winding diameter.
  • the fibers or yarns are placed one upon another in a trapezoid form, a downward collapse of the edge part of the tow can be completely prevented.
  • the irregularity in the thickness of fibers along the entire extended width is sometimes increased to a considerable extent.
  • the wound-up form can be kept in an almost cylindrical state, without causing winding deformation and collapse, even when about 100 kg of the layer having a width of 50 cm is wound up to a larger diameter of 70 cm. Further, unwinding can be carried out smoothly.
  • the unwound yarn-like material can be reused, if it is wound onto a bobbin driven by a torque motor.
  • the amount of the yarn-like material is, in most cases, less than I percent of the amount of a tow of fibers. Even when the recovered yarn-like material is thrown away, the packaging cost will be cheaper.
  • the yarns which have been passed through the stretching at a width of l m, heat treatment, cohesion-by-pasting, and drying, can be wound up after being passed through a comb at a pitch of 5 mm for yarns one by one, where the comb is inclined by 60 from the parallel position to the winding core, so that the winding width becomes 50 em. if the angle of the comb is further increased with an increase in the winding diameter, the winding width can be properly narrowed from 50 cm to 40 cm. If the winding width is narrowed while inserting the yarn-like material into between the layers, no disadvantage of winding collapse at the edge part of the wound roll is brought about. Twisting can be applied to the yarns, if necessary, after the yarns are divided into 200 ends, and then wound up onto each bobbin.
  • the group (A) (3), (4), etc. are treated in the quite same manner as in the case of the group (A) (2).
  • the non-woven fabric of laminated layers of their warps and wefts differs from ordinary filaments and yarns in fiber arrangement where there is no fear of winding deformation and edge collapse, even when the winding width is not narrowed with the increase in the winding diameter so long as they are wound according to the present method.
  • a long base film wound up to a roll of large diameter according to the present invention maybe subjected to an ironing process using a heated drum in a unwinding process to effect smoothening of irregular film for coating it in the next step.
  • the film of large wound diameter, which has been wound up according to the present method can be used without any trouble as a base film for the synthetic paper.
  • the film once wound up to a larger diameter according to the present invention is passed over a heated drum to form a flat film and then plainly wound up again to a smaller diameter of 1000 m-long material under a low winding tension according to the conventional method, whereby the winding can be effected without any irregularity of wound-up state even through there is a little irregularity in the thickness, and there is no fear of winding collapse.
  • the thin layer material is generally a fibrous product
  • the winding width is 50 60 cm
  • the winding diameter is less than I m
  • the weight of one wound-up roll is about I00 kg
  • the desirable width of the film is l to 2 m. Therefore, it is expected that the winding width becomes larger and the weight of one wound-up roll becomes 500 to I000 kg.
  • the weight of wound-up layer will be about one ton, and the film length be about 50,000m at an assumption of 20 g/m.
  • the layer has a length of at least 10,000 m, because the raw paper for the ordinary coat paper and the art paper is 6000 to 7000 m long.
  • the inclined crossing angle 9 of the yarn-like material 9 can be changed in a wide range, depending upon the property and kind of the thin layer material, the property and kind of the yarn-like material, winding core diameter, wound-up diameter, etc.
  • a thin layer material of the group (A) a thin layer material of the group (A)
  • an e is selected, and for the thin layer material of the group (B a relatively small angle is selected.
  • an angle of 10 or less is employed. lt is not always necessary that the inclined crossing angle 0 be constant by one-round winding. For example, it is possible to make the inclined crossing angle larger at the start of winding-up to make the yarn-like material be less wound-up around the winding core. and then gradually make the angle smaller.
  • the inclined crossing angle 0 is determined by a relation between the winding speed of the thin layer material and the traversing speed of the yarn-like material. Further, the length of chord of the yarn-like material formed on the side face of the wound roll is determined by the excess degree of traversing, winding speed and traversing speed. Further, it is properly selected in view of the properties and kinds of the thin layer material, the properties and kinds of the yarn-like material, the diameter of the winding core, the winding diameter, etc.
  • An improved method for minimizing telescoping in the winding up of a broad width of thin layer material upon a winding core so as to thereby produce a large generally cylindrical roll which comprises:

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US79091A 1969-12-09 1970-10-08 Method for winding up a thin layer material having a broad width Expired - Lifetime US3677484A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9920869 1969-12-09
NL717109269A NL146457B (nl) 1969-12-09 1971-07-05 Werkwijze voor het opwikkelen van een dunne, brede materiaallaag op een spoelkern.

Publications (1)

Publication Number Publication Date
US3677484A true US3677484A (en) 1972-07-18

Family

ID=26440363

Family Applications (1)

Application Number Title Priority Date Filing Date
US79091A Expired - Lifetime US3677484A (en) 1969-12-09 1970-10-08 Method for winding up a thin layer material having a broad width

Country Status (5)

Country Link
US (1) US3677484A (enrdf_load_stackoverflow)
DE (1) DE2052202B1 (enrdf_load_stackoverflow)
FR (1) FR2073158A5 (enrdf_load_stackoverflow)
GB (1) GB1315687A (enrdf_load_stackoverflow)
NL (1) NL146457B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442982A (en) * 1980-12-09 1984-04-17 Meinan Machinery Works, Inc. Veneer reeling unit
US5555978A (en) * 1995-10-05 1996-09-17 Elsner Engineering Works, Inc. Wound roll and closure strip assembly
DE102012020624A1 (de) * 2012-10-19 2014-04-24 Wolfgang Hoeck Führungsvorrichtung zum Führen einer Mehrzahl von Fäden zur Herstellung eines Faserverbundbauteils
US10239726B2 (en) 2016-06-15 2019-03-26 Dynamex Corporation Ribbon self-orienting device for traversed rolls
US10570536B1 (en) * 2016-11-14 2020-02-25 CFA Mills, Inc. Filament count reduction for carbon fiber tow

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036814C2 (de) * 1980-09-30 1984-10-04 Fa. Carl Freudenberg, 6940 Weinheim Wundkompresse und Verfahren zu ihrer Herstellung
FR2626565B1 (fr) * 1988-01-29 1991-06-14 Inst Textile De France Bobinoir pour le renvidage de fils fragiles en bobines croisees

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386823A (en) * 1943-12-03 1945-10-16 American Can Co Method of preparing tubing for transportation
US3289440A (en) * 1961-11-18 1966-12-06 Buddecke Heinrich Apparatus for thoroughly equably dyeing yarn in the form of a large yarn package
US3321185A (en) * 1965-10-19 1967-05-23 Letco Engineering And Tool Com Cable drum system with inter-layer shells
US3583651A (en) * 1968-05-10 1971-06-08 Glanzstoff Ag Method and apparatus for feeding parallel wire strands

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386823A (en) * 1943-12-03 1945-10-16 American Can Co Method of preparing tubing for transportation
US3289440A (en) * 1961-11-18 1966-12-06 Buddecke Heinrich Apparatus for thoroughly equably dyeing yarn in the form of a large yarn package
US3321185A (en) * 1965-10-19 1967-05-23 Letco Engineering And Tool Com Cable drum system with inter-layer shells
US3583651A (en) * 1968-05-10 1971-06-08 Glanzstoff Ag Method and apparatus for feeding parallel wire strands

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442982A (en) * 1980-12-09 1984-04-17 Meinan Machinery Works, Inc. Veneer reeling unit
US5555978A (en) * 1995-10-05 1996-09-17 Elsner Engineering Works, Inc. Wound roll and closure strip assembly
DE102012020624A1 (de) * 2012-10-19 2014-04-24 Wolfgang Hoeck Führungsvorrichtung zum Führen einer Mehrzahl von Fäden zur Herstellung eines Faserverbundbauteils
US10239726B2 (en) 2016-06-15 2019-03-26 Dynamex Corporation Ribbon self-orienting device for traversed rolls
US10570536B1 (en) * 2016-11-14 2020-02-25 CFA Mills, Inc. Filament count reduction for carbon fiber tow

Also Published As

Publication number Publication date
DE2052202B1 (enrdf_load_stackoverflow) 1971-08-05
FR2073158A5 (fr) 1971-09-24
NL146457B (nl) 1975-07-15
GB1315687A (enrdf_load_stackoverflow) 1973-05-02
NL7109269A (enrdf_load_stackoverflow) 1973-01-09

Similar Documents

Publication Publication Date Title
US3169557A (en) Towel with non-puckering decorative border
JP2909294B2 (ja) ガラスヤーンの製造方法
US3677484A (en) Method for winding up a thin layer material having a broad width
US3365874A (en) Treatment of synthetic filaments
US2092811A (en) Treatment of yarns
US3388545A (en) Core yarns and a process and apparatus assembly for making them
US3318013A (en) Yarn conditioning arrangement
KR890000995B1 (ko) 합성실 및 실과 유사한 구조체의 제조방법
US3391043A (en) Method and apparatus for making non-woven fabrics
JPS6042301B2 (ja) 太繊度合成繊維フイラメントの延伸方法
US3713190A (en) Method for developing and converging a band of fibers or threads
US1976201A (en) Textile material and the production thereof
US3756530A (en) Paper tube bobbin for treatment of yarn in cheese form
US3849847A (en) Process for storing textile filaments in knitted form
US3141624A (en) Thread shrinking
US1985603A (en) Process of winding threads and the like
US3553953A (en) Bulked bonded yarn
EP0125697A1 (en) Method of treating warp yarn ends in sizing process
US2778090A (en) Method of treating synthetic yarn
US4335070A (en) Method of manufacturing a reticular web having reinforced selvages
JPS63303129A (ja) 撚り糸の製造方法と加撚用供給ボビン
US3409493A (en) Process for twistless multifilament polyethylene terephthalate yarn
JPS60209013A (ja) ポリエステル繊維の製造方法
JPS5953370B2 (ja) 無撚紡績糸の製造法
US3409496A (en) Twistless multifilament yarn of polyethylene terephthalate