EP0098230B1 - Procédé et dispositif pour la réalisation de files de fibres comportant une âme - Google Patents

Procédé et dispositif pour la réalisation de files de fibres comportant une âme Download PDF

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Publication number
EP0098230B1
EP0098230B1 EP83420096A EP83420096A EP0098230B1 EP 0098230 B1 EP0098230 B1 EP 0098230B1 EP 83420096 A EP83420096 A EP 83420096A EP 83420096 A EP83420096 A EP 83420096A EP 0098230 B1 EP0098230 B1 EP 0098230B1
Authority
EP
European Patent Office
Prior art keywords
fibres
fact
core
yarn
fibers
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
Application number
EP83420096A
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German (de)
English (en)
French (fr)
Other versions
EP0098230A1 (fr
Inventor
Jean Venot
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.)
Devtex
Original Assignee
Devtex
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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D02G3/367—Cored or coated yarns or threads using a drawing frame

Definitions

  • the present invention relates to an improvement in spinning techniques making it possible to produce yarns of fibers comprising an inner core, yarns which, in the following description, will be designated by the expression core yarns.
  • the movable surface on which the elementary fibers are kept parallel and flat will be designated by the expression movable guide surface.
  • the maintenance of the fibers in parallelized form, flat on the movable guide surface can be achieved either by subjecting said surface to a suction or, preferably, by using a surface which has a surface state which ensures maintaining the fibers by simple contact, or even by combining these two possibilities.
  • the guide surface can be in the form of a cylindrical drum, a hyperboloid-shaped drum, an endless belt or any other equivalent member.
  • the surface will be perforated or porous and will appear either in the form of a drum, or in the form of 'an endless belt.
  • the surface will preferably be covered with a material facilitating the adhesion of the fibers, for example of a material similar to velvet. It could possibly be envisaged to use a surface having the structure of a brush.
  • Fig. 1 illustrates, side view, a working position of a machine allowing the implementation of the method according to the invention, that is to say allowing to realize, in a single step, real son core.
  • This installation comprises a storage area a, a creel for example, where the coils 2 of wires 3 are arranged intended to constitute the core of the wire to be produced in accordance with the invention.
  • These wires 3 are brought via a deliverer 4, which could possibly be omitted, to the treatment zone proper, designated by the general reference 5 where they will be covered and associated with staple fibers.
  • This treatment zone 5 comprises a deliverer 6, a false twist spindle 7 of known type, for example a friction spindle, with crossed belts.
  • a third call provider 8 is arranged downstream of the spindle 7 and the wire formed is returned at 9 by means of a conventional winding system which may or may not impart an additional twist to the wire formed.
  • the distribution of the staple fibers around the core 3 is carried out by providing, upstream of the false twist spindle 7, that is to say in the area of ascent of the twist, a movable guide surface 10 on which the fibers 11 are delivered tangentially and which tends to exert a tensile force on the free end of said fibers.
  • These fibers 11 come from a wick 12 which undergoes drawing for example by means of a conventional system with sleeves 13 or a large drawing of the selector type.
  • the guide surface 10 has a straight generator and has a surface state ensuring the maintenance of the fibers by simple contact. Furthermore, the fibers 11 are kept parallelized, in the form of a ribbon on the surface 10.
  • the core 3 is brought tangentially to the surface 10 in a direction not only concurrent with the direction of supply of the fibers 11 but also in a secant and tangential manner to said flat wick 11.
  • the twist communicated by the spindle 7 and which rises on the guide surface has a direction such that, in combination with the direction of advance of said guide surface, the fibers are taken by the core 3 passing under this core, that is to say that their free end is trapped between the core and said guide surface.
  • the guide surface 10 is constituted by an endless belt supported by two rollers 14, 15.
  • the guide surface 10 is also constituted by an endless belt but this belt is driven directly by the last cylinder of the drawing train.
  • the guide surface is constituted by a rotary drum which is of cylindrical shape in FIG. 4 and in the form of a hyperboloid in FIG. 8.
  • guides 16 and 17 are provided on each side of the guide surface 10 so that the core wire 3 is presented tangentially to said surface and comes to cut the wick of fibers 11 over its entire width and in bias in their direction of movement.
  • Different types of material can be used for the covering material of the guide surface 10. It has been found that good results have been obtained by using textile materials having the structure of a velvet as covering materials for the surface. short haired. Such a material makes it possible to obtain good retention of the parallelized fibers 11 which, however, are easily detached from said surface during the passage of the core wire 3 and distributed around this element.
  • V z is of the order of 1.3 to 1.5 times V i .
  • an additional pressure roller shown in dotted lines in FIGS. 2, 3 and 4, designated by the reference 20.
  • This pressure roller is disposed substantially in the area where the fibers come into contact with the movable surface and promotes the attachment of the fibers to said surface.
  • Figs. 5 and 7 illustrate alternative embodiments of the method according to the invention using as a guide surface a conveyor belt 10.
  • the transport surface 10 is also constituted by an endless belt, but is mounted directly around one of the engine cylinders of the last pair of the stretching train 11. Consequently, the support roller 14 of FIG. 2 can be deleted.
  • the fibers are brought below the belt 10 and their maintenance on this surface is ensured by a suction system 21 disposed between the two strands of the belt.
  • This belt must of course allow the passage of air and can be either perforated or porous.
  • Such a variant is particularly suitable requested to treat cotton fibers but of course, this is not limiting.
  • the conveyor belt 10 is arranged vertically, so that its straight strand faces the output cylinders of the drawing train.
  • the fibers are distributed over this straight strand, their taking up by the core 3 being carried out as previously by bringing this core tangentially to the surface, concurrently with the wick of fibers.
  • the fibers were maintained either by simple mutual contact of said fibers with the surface, or by the action of a suction phenomenon on this surface, it can be envisaged, as illustrated in fig. 6, to use as transport surface a surface allowing to combine a phenomenon of aspiration and a catching of fibers by simple mutual contact.
  • a belt which has alternating zones 22 of velvet type similar to that which is the subject of FIG. 2 and of perforated zones 23. It has been found that good results are obtained by having a length of perforated zone 23 less than the average length of the fibers intended to be treated.
  • a core yarn is obtained having a final titer of 534 Dtex in which the wool fibers are perfectly distributed around the core 3 and which has very great regularity.
  • This yarn can be used as it is in weaving or knitting.
  • Example 1 is repeated, but the guide face formed by a drum is replaced by a guide surface formed by a flat belt as illustrated in FIGS. 2 and 3. As in example 1, the belt is covered with a layer of short pile velvet.
  • Example 1 is repeated, but the guide face formed by a drum is replaced by a guide surface formed by a flat belt E as illustrated in FIG. 5.
  • This guiding surface S is mounted on the engine cylinder Suselling Procedure of the last pair of drawing rolls 13 of the drawing system.
  • a belt is drilled between the strands of which a suction box 21 is arranged.
  • the wick 11 is formed by a cotton wick 30 000 Dtex stretched 200 times in 13 I E system.
  • the guide surfaces 10 may consist of elements other than drums or belts coated with velvet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP83420096A 1982-06-29 1983-06-08 Procédé et dispositif pour la réalisation de files de fibres comportant une âme Expired EP0098230B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8211615 1982-06-29
FR8211615A FR2529234A1 (fr) 1982-06-29 1982-06-29 Procede et dispositif pour la realisation de files de fibres comportant une ame

Publications (2)

Publication Number Publication Date
EP0098230A1 EP0098230A1 (fr) 1984-01-11
EP0098230B1 true EP0098230B1 (fr) 1985-11-06

Family

ID=9275615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83420096A Expired EP0098230B1 (fr) 1982-06-29 1983-06-08 Procédé et dispositif pour la réalisation de files de fibres comportant une âme

Country Status (5)

Country Link
US (1) US4481759A (ja)
EP (1) EP0098230B1 (ja)
JP (1) JPS599234A (ja)
DE (1) DE3361168D1 (ja)
FR (1) FR2529234A1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3464067D1 (en) * 1983-05-18 1987-07-09 Heberlein Hispano Sa Method and device for manufacturing a cored yarn
US4562870A (en) * 1984-04-30 1986-01-07 Larry Calvin Dubbing twister device
AT382644B (de) * 1984-06-19 1987-03-25 Fehrer Ernst Vorrichtung zum herstellen eines garnes
AT380703B (de) * 1984-10-25 1986-06-25 Fehrer Ernst Vorrichtung zum eindrehen der kernlunte fuer ein garn
DE3521756A1 (de) * 1985-06-18 1987-01-08 Schubert & Salzer Maschinen Verfahren und vorrichtung zum offenend-friktionsspinnen
JPS62117830A (ja) * 1985-11-15 1987-05-29 Murata Mach Ltd 紡績糸の製造装置
US5555716A (en) * 1994-11-02 1996-09-17 Basf Corporation Yarn having microfiber sheath surrounding non-microfiber core
US7310932B2 (en) * 2005-02-11 2007-12-25 Invista North America S.A.R.L. Stretch woven fabrics

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR497481A (fr) * 1919-03-24 1919-12-06 D And W Fuse Company Machine et procédé pour le filage d'un fil composite
DD98119A1 (ja) * 1971-11-30 1973-06-12
DE2256247A1 (de) * 1972-07-06 1974-01-24 Bobkowicz Andrew J Verfahren und vorrichtung zur herstellung von verbund-gespinst
JPS5370134A (en) * 1976-12-02 1978-06-22 Teijin Ltd Method of producing spinning yarn without twist
SU924191A1 (ru) * 1980-02-25 1982-04-30 Kostromsk Sp K B Tekstil Способ получения армированной нити i

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2208897A (en) * 1938-02-04 1940-07-23 Owens Corning Fiberglass Corp Wire covering device
ATA169077A (de) * 1976-03-27 1990-09-15 Schlafhorst & Co W Verfahren zum spinnen von fasern zu einem faserverbund
FR2345541A1 (fr) * 1976-03-27 1977-10-21 Barmag Barmer Maschf Procede pour la filature de fibres en un faisceau de fibres
AT345701B (de) * 1977-04-27 1978-10-10 Fehrer Ernst Vorrichtung zum spinnen textiler fasern
DE2803904C2 (de) * 1978-01-30 1986-07-03 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Offenend-Spinnverfahren und Spinnvorrichtung
DE2830669C2 (de) * 1978-07-12 1981-03-26 Peter 83236 Übersee Lippmann Verfahren und Vorrichtung zum Umspinnen eines Spinnträgers mit Fasermaterial
DE2848606A1 (de) * 1978-07-17 1980-01-31 Barmag Barmer Maschf Verfahren zur herstellung eines kernmantelgarns und spinnvorrichtung zur durchfuehrung des verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR497481A (fr) * 1919-03-24 1919-12-06 D And W Fuse Company Machine et procédé pour le filage d'un fil composite
DD98119A1 (ja) * 1971-11-30 1973-06-12
DE2256247A1 (de) * 1972-07-06 1974-01-24 Bobkowicz Andrew J Verfahren und vorrichtung zur herstellung von verbund-gespinst
JPS5370134A (en) * 1976-12-02 1978-06-22 Teijin Ltd Method of producing spinning yarn without twist
SU924191A1 (ru) * 1980-02-25 1982-04-30 Kostromsk Sp K B Tekstil Способ получения армированной нити i

Also Published As

Publication number Publication date
EP0098230A1 (fr) 1984-01-11
US4481759A (en) 1984-11-13
DE3361168D1 (en) 1985-12-12
FR2529234A1 (fr) 1983-12-30
JPS599234A (ja) 1984-01-18
FR2529234B1 (ja) 1985-05-03

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