EP0818567A1 - Verbundgarn zur Herstellung von elastischen Stützmaschenwaren - Google Patents

Verbundgarn zur Herstellung von elastischen Stützmaschenwaren Download PDF

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Publication number
EP0818567A1
EP0818567A1 EP97401583A EP97401583A EP0818567A1 EP 0818567 A1 EP0818567 A1 EP 0818567A1 EP 97401583 A EP97401583 A EP 97401583A EP 97401583 A EP97401583 A EP 97401583A EP 0818567 A1 EP0818567 A1 EP 0818567A1
Authority
EP
European Patent Office
Prior art keywords
thread
yarn
elastic
microfibers
cotton
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.)
Withdrawn
Application number
EP97401583A
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English (en)
French (fr)
Inventor
Stefan Ganzoni
Alain Bertheas
Bertrand Lun
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.)
GSL Holding
Original Assignee
GSL Holding
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 GSL Holding filed Critical GSL Holding
Publication of EP0818567A1 publication Critical patent/EP0818567A1/de
Withdrawn legal-status Critical Current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
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic

Definitions

  • the present invention relates to an elastic article of compression / knitted compression.
  • a compression / compression article is characterized by the fact that it exerts physical compression on a outer member of the human body, this compression can be measured according to standardized methods, for example French standard AFNOR G 30.102 - October 1986 (and other standards such as DIN en Germany, BSI in Great Britain, etc.). These measurement methods give as results values expressed for example in mmHg or hPa.
  • compression knitted articles such as socks and stockings are most often knitted using only synthetic yarns, which has the disadvantage of not being not provide satisfactory thermal comfort to the knitted article.
  • such knitted articles do not provide evacuation of the sweating in summer, resulting in a feeling of humidity, and do not create air buffer layer ensuring in winter a thermal insulation effect, therefore protection against the cold.
  • the present invention relates to an elastic article of compression / knitted compression offering, in addition to thermal comfort improved, great softness, an original aesthetic aspect as well that a good longitudinal adaptability of the article.
  • the elastic compression / compression article in accordance with the invention is made in a woven knitted structure, with a weft thread formed of a core of elastic thread with covering by a synthetic thread with microfibers, for example a polyamide yarn 20 dtex / 20 strands, 33 dtex / 34 strands, 44 dtex / 34 strands or 78 dtex / 68 strands, and with a mesh consisting of a composite wire comprising in combination, a wire elastic, synthetic microfiber yarn and cotton yarn, the microfibers of synthetic yarn being linked by interlacing, by intervals, with the cotton thread and with the elastic thread, the latter being at least 100% elongated.
  • Interlacing of microfibers of synthetic yarn at intervals with cotton thread and with elastic thread ensures the cohesion of the three constituent materials, which allows knitting these three materials simultaneously and easily, in the form of a composite wire which can have a fairly low total titer in order to obtain a light article.
  • the elastic thread is elongated by at least 200%, advantageously between 200 and 300% and more particularly between around 215 and 265% during said interlacing at intervals.
  • the three wires constituting the composite wire are interlaced at intervals by air jets, by passage of the three constituent wires of the composite wire, the elastic wire being elongated, in a wire interlacing machine of type known in self, comprising a tangentially acting air nozzle, with resonance, on the wires to be assembled.
  • the constituent wires of the composite wire are assembled by interlacing at intervals of less than 4 cm, and more particularly at intervals of less than 2 cm in the case of wires composites for knitting compression articles formed by example of an elastic thread of 22 or 44 dtex, of a combed cotton thread Nm 80 to Nm 224 and a polyamide microfiber yarn from 20 to 78 dtex.
  • the composite wire as illustrated in Figure 1 consists of a wire elastic 1, made of natural or synthetic rubber, of cotton thread 2 and a synthetic yarn 3 with microfibers, in particular made of polyamide.
  • the three wires 1, 2, 3 are assembled in the form of a composite wire by interlacing of the microfibers of yarn 3, at intervals, with the yarn elastic 1 and cotton thread 2, this interlacing being carried out while the elastic thread 1 is elongated by at least 100% and preferably by at least 200%.
  • the interlacing microfibers of yarn 3 with the other two yarns 1 and 2 only takes place by intervals, in points 4.
  • the microfiber yarn 3 is inflated between the interlacing points 4, which appears particularly when the elastic thread 1 is relaxed, as this is the case in Figure 1, the cotton thread 2 then describing a shape wavy.
  • the manufacture of the composite wire illustrated by the Figure 1 is performed on an air jet interleaver commonly called assembly machine or wrapping machine by air jet.
  • assembly machine commonly called assembly machine or wrapping machine by air jet.
  • Such machines which are marketed for example by ICBT, FADIS or JUIDICI Companies have the particularity to include an air jet nozzle as marketed for example by the HEBERLEIN Company, producing an oriented air jet tangentially to the moving wire, acting with effect of resonance.
  • FIG. 3 very schematically illustrates a knitting structure screening screen article according to the invention, in particular of stockings or socks, made with a composite thread according to Figure 1 for stitches 15 and with a weft 16 which will be described in more detail with reference to FIG. 4.
  • FIG. 3 represents the internal face of the woven knit, i.e. the side which, when in use (when worn) found in contact with the skin, the external face being in contact with Ambiant air.
  • the outward-facing areas are indicated by “a” not in contact with the skin, and in “b” the areas in contact with the skin.
  • the cotton of the composite yarn being in contact with the skin only in areas b, so very punctually, absorbs the sweat from the skin surface. By capillarity, this humidity propagates on the entire cotton thread.
  • the latter mainly located on the outer face of the knitted fabric, composed mainly of mesh yarns, effectively evaporates perspiration. We get from this makes optimal comfort in summer.
  • the fibrils of the cotton yarn and the unitary filaments of the cotton yarn mesh microfibers create a protective screen against drafts cold air in winter, constituting a buffer layer of air which insulates the ambient air legs, which ensures good comfort in winter.
  • FIG. 4 represents a preferred embodiment of the wire weft 16 of the weft knit according to FIG. 3.
  • the weft thread 16 comprises a core 17 constituted by an elastic thread, made of natural rubber or synthetic, surrounded by double wrapping, i.e. an inner wrapping 18 in one direction and outer wrapping 19 in the opposite direction, consisting of a microfiber yarn, for example a polyamide 20 yarn dtex / 20 strands, 33 dtex / 34 strands, 44 dtex / 34 strands or 78 dtex / 68 strands.
  • This double covering with external covering by microfibers has for aim to make it comfortable to wear, in the case of compression articles developing a high pressure level.
  • the contact of the inner face of the knitted fabric with the skin being done mainly with the screens (zones A according to FIG. 3), contact with the skin is ensured, for the weft, by a surface covered with microfibers. This ensures a gentle contact, important especially for articles of high pressure restraint, as it facilitates donning articles, for example in the case of stockings or socks.
  • the composite yarn can be produced in particular with different titles of the elementary threads, variations being possible in this case with regard to the gear ratios over the different stages of wire assembly, to allow adaptation optimal under the conditions of use (knitting) of the yarn.
  • Thread synthetic 3 with microfibers could also consist of synthetic materials other than polyamide.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Knitting Of Fabric (AREA)
EP97401583A 1996-07-12 1997-07-03 Verbundgarn zur Herstellung von elastischen Stützmaschenwaren Withdrawn EP0818567A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9608778A FR2751003B1 (fr) 1996-07-12 1996-07-12 Fil composite pour la fabrication d'articles tricotes elastiques, et article de contention tricote a l'aide d'un tel fil
FR9608778 1996-07-12

Publications (1)

Publication Number Publication Date
EP0818567A1 true EP0818567A1 (de) 1998-01-14

Family

ID=9494020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97401583A Withdrawn EP0818567A1 (de) 1996-07-12 1997-07-03 Verbundgarn zur Herstellung von elastischen Stützmaschenwaren

Country Status (2)

Country Link
EP (1) EP0818567A1 (de)
FR (1) FR2751003B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1759676A1 (de) 2005-09-06 2007-03-07 Ganzoni Management AG Gestrickter Verband
WO2009156674A1 (fr) * 2008-06-03 2009-12-30 Ganzoni & Cie Ag Articles de compression et de contention avec zones refroidissantes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE445038T1 (de) * 2006-08-28 2009-10-15 Ganzoni Man Ag Medizinische kompressionskleidung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522028A1 (fr) * 1982-02-22 1983-08-26 Payen & Cie L Procede pour la fabrication d'un tissu tisse et tissu obtenu
EP0161572A1 (de) * 1984-05-15 1985-11-21 Heberlein Maschinenfabrik AG Verfahren zum Herstellen eines Mischgarns
EP0265395A2 (de) * 1986-10-21 1988-04-27 EXTEND S.r.l. Socke aus natürlicher Faser in einer Grösse
JPH06248501A (ja) * 1993-02-19 1994-09-06 Mizuno Corp スポーツ用ソックス
JPH07133536A (ja) * 1993-11-09 1995-05-23 Murata Mach Ltd マイクロファイバーを用いた紡績糸の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522028A1 (fr) * 1982-02-22 1983-08-26 Payen & Cie L Procede pour la fabrication d'un tissu tisse et tissu obtenu
EP0161572A1 (de) * 1984-05-15 1985-11-21 Heberlein Maschinenfabrik AG Verfahren zum Herstellen eines Mischgarns
EP0265395A2 (de) * 1986-10-21 1988-04-27 EXTEND S.r.l. Socke aus natürlicher Faser in einer Grösse
JPH06248501A (ja) * 1993-02-19 1994-09-06 Mizuno Corp スポーツ用ソックス
JPH07133536A (ja) * 1993-11-09 1995-05-23 Murata Mach Ltd マイクロファイバーを用いた紡績糸の製造方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 18, no. 647 (C - 1283) 8 December 1994 (1994-12-08) *
PATENT ABSTRACTS OF JAPAN vol. 95, no. 09 29 September 1995 (1995-09-29) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1759676A1 (de) 2005-09-06 2007-03-07 Ganzoni Management AG Gestrickter Verband
US7841215B2 (en) 2005-09-06 2010-11-30 Ganzoni Management Ag Knitted bandage
EP1759676B1 (de) * 2005-09-06 2013-11-06 Sigvaris Management Ag Gestrickter Verband
WO2009156674A1 (fr) * 2008-06-03 2009-12-30 Ganzoni & Cie Ag Articles de compression et de contention avec zones refroidissantes

Also Published As

Publication number Publication date
FR2751003B1 (fr) 1998-09-25
FR2751003A1 (fr) 1998-01-16

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