EP0792959A1 - Verfahren zum spiralförmigen Umwickeln von Textilfasern mit einem Umwindegarn - Google Patents

Verfahren zum spiralförmigen Umwickeln von Textilfasern mit einem Umwindegarn Download PDF

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Publication number
EP0792959A1
EP0792959A1 EP97810099A EP97810099A EP0792959A1 EP 0792959 A1 EP0792959 A1 EP 0792959A1 EP 97810099 A EP97810099 A EP 97810099A EP 97810099 A EP97810099 A EP 97810099A EP 0792959 A1 EP0792959 A1 EP 0792959A1
Authority
EP
European Patent Office
Prior art keywords
thread
covering
threads
twist
double
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.)
Granted
Application number
EP97810099A
Other languages
English (en)
French (fr)
Other versions
EP0792959B1 (de
Inventor
Arturo Ratti
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.)
Arratex Srl
Original Assignee
Arratex Srl
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 Arratex Srl filed Critical Arratex Srl
Publication of EP0792959A1 publication Critical patent/EP0792959A1/de
Application granted granted Critical
Publication of EP0792959B1 publication Critical patent/EP0792959B1/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
    • 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
    • D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
    • D02G3/28—Doubled, plied, or cabled threads

Definitions

  • This invention pertains to the textile industry and applies in particular to a procedure that is to be implemented in order to ensure the covering of one or more textile threads by means of a twisted covering thread that is wound "by spiraling" around said textile threads, i.e., in such a way that said covering thread winds up arranged helically around the threads to be covered.
  • the covering thread is twisted in such a way as to cause it to assume a helicoidal configuration and its configuration is fixed that way by treating the thread, wound on a bobbin, with high-temperature vapor.
  • the thread, thus treated, is therefore wound onto a spool and then, by mounting said spool onto a hollow spindle, the actual working is done that makes it possible to helically wind the already-twisted thread around the thread to be covered, which is thus covered specifically by "spiraling", as it is commonly referred to in the technical jargon of that branch of industry.
  • the inventor of this invention has conceptualized a procedure that achieves the same final result with improved quality but requires fewer operations, thus ensuring a considerable savings in time and materials, and therefore ultimately in production and investment costs.
  • the procedure according to the invention does not require that the twisted thread be treated with vapor, as mentioned above, and thus also ensures a considerable savings of energy.
  • the procedure according to the invention is distinguished by a considerable degree of simplicity; as already mentioned, said simplicity is due to the smaller number of phases that make up said procedure.
  • the number of phases is reduced to a total of two, as will be clear from the following description.
  • a set of one or more textile fibers connected together will be referred to as the thread to be covered.
  • the first phase consists (see Fig. 1) of twisting thread 1 using known methods with the aid of a single-twist or double-twist spindle 8, taking it up on a spool 3.
  • thread to be covered 5 is introduced into double-twist spindle 7 through another opening 6 that is located further down, and is forced to follow a path by which it leaves the twisting machine itself via above-mentioned opening 7a thus becoming mated parallel to covering thread 1.
  • covering thread 1 which is further twisted, is arranged helically around the thread to be covered, encompassing it.
  • the inventor suggests using, to unwind covering thread 1 from spool 3 onto which it was wound after the first twisting, an unwinding device of the "bell" type described in Italian Railway Patent Application No. 21136A/70 or of another type that accomplishes the same goal of not allowing the twisted thread to curl up while unwinding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Ropes Or Cables (AREA)
EP97810099A 1996-03-01 1997-02-25 Verfahren zum spiralförmigen Umwickeln von Textilfasern mit einem Umwindegarn Expired - Lifetime EP0792959B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM960139 1996-03-01
IT96RM000139A IT1283948B1 (it) 1996-03-01 1996-03-01 Procedimento per rivestire fili tessili per spiralatura di un filo di copertura.

Publications (2)

Publication Number Publication Date
EP0792959A1 true EP0792959A1 (de) 1997-09-03
EP0792959B1 EP0792959B1 (de) 2000-06-14

Family

ID=11403955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810099A Expired - Lifetime EP0792959B1 (de) 1996-03-01 1997-02-25 Verfahren zum spiralförmigen Umwickeln von Textilfasern mit einem Umwindegarn

Country Status (9)

Country Link
EP (1) EP0792959B1 (de)
AT (1) ATE193908T1 (de)
BR (1) BR9700244A (de)
DE (1) DE69702275T2 (de)
ES (1) ES2146970T3 (de)
GR (1) GR3034275T3 (de)
IT (1) IT1283948B1 (de)
PT (1) PT792959E (de)
TW (1) TW381127B (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485528A (fr) * 1965-10-15 1967-06-23 Machine combinée avec casse-fils unifilaires et dispositif intermédiaire de formation pour assembler, tordre et bobiner les mèches et fils textiles
DE2804542B1 (de) * 1978-02-03 1979-04-19 Schubert & Salzer Maschinen Verfahren und Vorrichtung zum Herstellen eines Umwindegarnes
DE3821830A1 (de) * 1988-06-29 1990-01-04 Palitex Project Co Gmbh Verfahren und vorrichtung zur herstellung eines zwirnfadens, der mindestens eine hauptfadenkomponente und eine integrierte hochelastische fadenkomponente enthaelt
EP0593919A1 (de) * 1992-10-21 1994-04-27 Palitex Project-Company GmbH Verfahren und Vorrichtung zur Herstellung eines gezwirnten Fadens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485528A (fr) * 1965-10-15 1967-06-23 Machine combinée avec casse-fils unifilaires et dispositif intermédiaire de formation pour assembler, tordre et bobiner les mèches et fils textiles
DE2804542B1 (de) * 1978-02-03 1979-04-19 Schubert & Salzer Maschinen Verfahren und Vorrichtung zum Herstellen eines Umwindegarnes
DE3821830A1 (de) * 1988-06-29 1990-01-04 Palitex Project Co Gmbh Verfahren und vorrichtung zur herstellung eines zwirnfadens, der mindestens eine hauptfadenkomponente und eine integrierte hochelastische fadenkomponente enthaelt
EP0593919A1 (de) * 1992-10-21 1994-04-27 Palitex Project-Company GmbH Verfahren und Vorrichtung zur Herstellung eines gezwirnten Fadens

Also Published As

Publication number Publication date
GR3034275T3 (en) 2000-12-29
PT792959E (pt) 2000-11-30
ATE193908T1 (de) 2000-06-15
EP0792959B1 (de) 2000-06-14
BR9700244A (pt) 1998-11-03
ITRM960139A1 (it) 1997-09-01
IT1283948B1 (it) 1998-05-07
ES2146970T3 (es) 2000-08-16
ITRM960139A0 (de) 1996-03-01
DE69702275T2 (de) 2000-10-19
DE69702275D1 (de) 2000-07-20
TW381127B (en) 2000-02-01

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