EP0057263B1 - System for the production of yarn by covering a core with fibres - Google Patents

System for the production of yarn by covering a core with fibres Download PDF

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Publication number
EP0057263B1
EP0057263B1 EP81108923A EP81108923A EP0057263B1 EP 0057263 B1 EP0057263 B1 EP 0057263B1 EP 81108923 A EP81108923 A EP 81108923A EP 81108923 A EP81108923 A EP 81108923A EP 0057263 B1 EP0057263 B1 EP 0057263B1
Authority
EP
European Patent Office
Prior art keywords
core
rollers
fibres
yarn
clearance
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
EP81108923A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0057263A1 (en
Inventor
Alexios Mamassioulas
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.)
PIRAIKI PATRAIKI Viomichania Vamvakos AE
Original Assignee
PIRAIKI PATRAIKI Viomichania Vamvakos AE
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 PIRAIKI PATRAIKI Viomichania Vamvakos AE filed Critical PIRAIKI PATRAIKI Viomichania Vamvakos AE
Priority to AT81108923T priority Critical patent/ATE12267T1/de
Publication of EP0057263A1 publication Critical patent/EP0057263A1/en
Application granted granted Critical
Publication of EP0057263B1 publication Critical patent/EP0057263B1/en
Expired legal-status Critical Current

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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

Definitions

  • the present invention concerns a method for producing yarn by covering a core, consisting of man-made material (e.g. polyester 32/1, 124 DEN) or of other composition, with fibres (e.g. of cotton or other origin) according to claim 1.
  • man-made material e.g. polyester 32/1, 124 DEN
  • fibres e.g. of cotton or other origin
  • the stationary waves are created by the revolution to the same direction of two rollers. Towards the clearance existing between them are directed both the core and fibres, the latter being taken from a usual fiber feeder, provided with a proper fibres guiding device having an almost trapezoid exit opening and bearing at a suitable position the core entry hole.
  • a proper fibres guiding device having an almost trapezoid exit opening and bearing at a suitable position the core entry hole.
  • the core is twisted and its twists, transmitted backwards, form within the space between the fixed grooved ring and the entry opening of the fibres guiding mechanism, as well as between the said entry and the exit opening, that is within the fibres guide, waves resulting to a smooth stretching of the core and to a contribution to the spinning.
  • the one is concave and perforated on its cylindrical surface, while the other is compact and bears on its cylindrical surface a lining applied by means of an adhesive material.
  • a fixed air sucking drum Within the concave perforated roller and on the same axis is fitted a fixed air sucking drum, bearing a slot lengthwise, at position being at the height of the clearance between the above two rollers.
  • a core of synthetic or other composition which is taken from the bobbin 16 is directed to the fixed grooved ring 17 at a point a and then is passed through the core inlet opening 2 on the fibers guiding device 3. Further it goes out through the outlet 2' at a point y, and it is directed to pass through the clearance between the two rollers 4, 6. Through the clearance between the two spinning equalizing discs 7 it is guided towards the yarn delivery mechanism, via the exit opening 12 of the machine.
  • Fibres are taken from the fiber feeder 1, enter through the fibres guide 3 in the clearance between the rollers 4, 6 after having been partly twisted along with the core, at place 6, where with the help of the rollers 4, 6 rotating both to the same direction, stationary waves 15 are created in the space ⁇ and E3-y on the core, generated by own twists which are transmitted behind and thus the spinning is accomplished.
  • the covered core slips through the clearance between the two rollers 4, 6 drawn by the receiving mechanism and through the rotating spinning equalizing discs 7 is directed to the receiving system.
  • the fig. 2 is a top view of the yarn production system, according to the invention, on which is shown (in semi-section) the arrangement of the two rollers 4, 6 along with the spinning equalizing discs 7.
  • fig. 3 which is a cross section of the production system according to the invention, is shown - along the line A-A of fig. 2 - the longitudinal slot 9 of the suction drum 5 and the transparent cover 11 with outside air inflow hole 10.
  • core spun yarn Ne 14 single ply made by a core of polyester 32/1, 124 DEN, with staple fibers of cottom having a length which varies from 10 mm up to 30 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP81108923A 1981-01-30 1981-10-26 System for the production of yarn by covering a core with fibres Expired EP0057263B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81108923T ATE12267T1 (de) 1981-01-30 1981-10-26 Vorrichtung zum herstellen eines garnes, wobei der kernfaden mit fasern umsponnen ist.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GR64009A GR66947B (enrdf_load_stackoverflow) 1981-01-30 1981-01-30
GR64009 1981-01-30

Publications (2)

Publication Number Publication Date
EP0057263A1 EP0057263A1 (en) 1982-08-11
EP0057263B1 true EP0057263B1 (en) 1985-03-20

Family

ID=10933000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81108923A Expired EP0057263B1 (en) 1981-01-30 1981-10-26 System for the production of yarn by covering a core with fibres

Country Status (4)

Country Link
EP (1) EP0057263B1 (enrdf_load_stackoverflow)
AT (1) ATE12267T1 (enrdf_load_stackoverflow)
DE (1) DE3169434D1 (enrdf_load_stackoverflow)
GR (1) GR66947B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427647A (en) * 1968-03-19 1969-02-11 Du Pont Wrapped yarn product and process for preparing wrapped yarns
AT357071B (de) * 1977-11-28 1980-06-10 Fehrer Ernst Vorrichtung zum spinnen textiler fasern
DE2810184A1 (de) * 1978-03-09 1979-09-13 Barmag Barmer Maschf Open-end-spinnvorrichtung

Also Published As

Publication number Publication date
DE3169434D1 (en) 1985-04-25
EP0057263A1 (en) 1982-08-11
ATE12267T1 (de) 1985-04-15
GR66947B (enrdf_load_stackoverflow) 1981-05-13

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