EP0119536A1 - Article tricoté sur métier plan et procédé de fabrication - Google Patents

Article tricoté sur métier plan et procédé de fabrication Download PDF

Info

Publication number
EP0119536A1
EP0119536A1 EP84102348A EP84102348A EP0119536A1 EP 0119536 A1 EP0119536 A1 EP 0119536A1 EP 84102348 A EP84102348 A EP 84102348A EP 84102348 A EP84102348 A EP 84102348A EP 0119536 A1 EP0119536 A1 EP 0119536A1
Authority
EP
European Patent Office
Prior art keywords
yarn
elastane
flat knitting
knitted
thread
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
EP84102348A
Other languages
German (de)
English (en)
Other versions
EP0119536B1 (fr
Inventor
Eugen Lerch
Rudolf Staab
Heinrich Beivers
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.)
Bayer AG
Original Assignee
Bayer AG
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
Priority claimed from DE19833309995 external-priority patent/DE3309995A1/de
Priority claimed from DE19833343657 external-priority patent/DE3343657A1/de
Application filed by Bayer AG filed Critical Bayer AG
Priority to AT84102348T priority Critical patent/ATE22126T1/de
Publication of EP0119536A1 publication Critical patent/EP0119536A1/fr
Application granted granted Critical
Publication of EP0119536B1 publication Critical patent/EP0119536B1/fr
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/44—Tensioning devices for individual threads
    • D04B15/46—Tensioning devices for individual threads for elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads

Definitions

  • Flat knitting machines mainly knit outer garments, preferably from yarn-dyed materials.
  • the accessories required for the finished article such as ribbons, borders, edges, etc., are manufactured on the same machines or special knitting machines.
  • the stitch density and the yarn used all knitted fabrics have different degrees of stretch due to the stitch construction and at the same time only moderate elasticity.
  • elastane yarns which are predominantly made up of segmented polyurethanes, it makes sense to use such yarns in order to achieve permanent elasticity.
  • Elastane yarns are offered in various forms of trade, on the one hand in their pure form, i.e. as bare spandex yarns and on the other hand wound or wound with another type of yarn, for example a polyamide yarn. Wrapping yarns and wrapping yarns therefore consist of a so-called polyurethane core, which is wrapped or wound with a second yarn.
  • bare spandex yarn can be knitted together with the base yarn if the bare spandex thread is pulled off from a bobbin overhead, braked by a sintered ceramic thread brake and transported in a rolling manner to the thread guide of the flat knitting machine.
  • the invention therefore relates to a process for the production of elastic articles on flat knitting machines, which is characterized in that a bare elastane yarn is knitted together with the base yarn, which is pulled off the bobbin overhead, provided with a defined pretension by a sintered ceramic thread brake and rolling to the thread guide the flat knitting machine is transported.
  • Base yarn and elastane yarn can, for example, be transported together to the thread guide, with both yarn threads laying around each other in a random manner (wild folding).
  • the elastane yarn is run through the spool of the base yarn where through the base yarn around the elastane yarn (fold through the bobbin).
  • the separate transport of both yarns is very particularly preferred, the base yarn being able to be deflected in the usual way by means of pins or tubes to a plating thread guide, the elastane yarn being clad, that is to say covered, by the base yarn.
  • a sintered ceramic thread brake gives the elastane thread a defined pretension, the fluctuations of which are caused by the carriage movement of the flat knitting machine can be tolerated, since there is no additional fluctuation in the thread tension on the deflection elements designed as rollers.
  • rollers can be made of different materials; Plastic rollers have proven themselves in the tests.
  • the rollers are attached wherever the direction of the elastane thread is changed, for example when passing through the thread monitor.
  • the elastane yarn preferably passes through the thread brake before it is passed over any roll for the purpose of changing the direction.
  • the path of the elastane yarn from the spool to the thread brake is smaller than from the thread brake to the thread guide.
  • the pre-issued in the thread brake tension is matched to the desired elasticity and the titer of the elastane yarn used.
  • the elastane yarns used preferably have a titer of 33 to 160 dtex.
  • the pre-tension given to them in the thread brake is preferably one tenth of the specified titer in cN, for example 8 cN for a titer of 80 dtex.
  • the amount of elastane yarn in the total yarn is preferably 2 to 10% by weight.
  • Another object of the invention is therefore a method for the production of fabrics on flat knitting machines, characterized in that together with the base yarn a bare elastane yarn is knitted, the fabrics stretched on a tenter in one or both directions by at least 30% and by at least 15 seconds Heating to a maximum of 200 ° C. It is preferably fixed at 185-195 ° C. for 20 to 60 seconds.
  • the upper limit of the stretch is determined by the type of weave and in particular by the stretchability of the elastane thread and is preferably a maximum of 150%. If the elasticity of the elastane is not fully exploited, the flat knitted piece produced still has a certain permanent elasticity.
  • dimensionally stable knitted pieces also by the meter, can be produced for the first time with very light basis weights and adjustable, permanent elasticities, it being particularly advantageous that the width of the knitted piece is no longer specified by the flat knitting machine but by the method according to the invention in Desired way can be increased within certain limits, which inevitably reduces the basis weight.
  • the invention relates to flat knitwear containing bare elastane yarn knitted together with the base yarn.
  • a flat knitted piece is produced in the usual way, taking into account the following details.
  • the bare spandex yarn is pulled off overhead, provided with a pre-tension of 15 cN by a sintered ceramic thread brake and transported to the thread guide by rollers.
  • the flat knitted piece is stretched on a tenter and fixed at 185-195 ° C for 30 seconds.
  • the proportion of elastane yarn is 3.9% by weight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
EP84102348A 1983-03-19 1984-03-05 Article tricoté sur métier plan et procédé de fabrication Expired EP0119536B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84102348T ATE22126T1 (de) 1983-03-19 1984-03-05 Flachstrickware und verfahren zu ihrer herstellung.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3309995 1983-03-19
DE19833309995 DE3309995A1 (de) 1983-03-19 1983-03-19 Elastische strickwaren und ihre herstellung
DE3343657 1983-12-02
DE19833343657 DE3343657A1 (de) 1983-12-02 1983-12-02 Flachstrickware und verfahren zu ihrer herstellung

Publications (2)

Publication Number Publication Date
EP0119536A1 true EP0119536A1 (fr) 1984-09-26
EP0119536B1 EP0119536B1 (fr) 1986-09-10

Family

ID=25809220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102348A Expired EP0119536B1 (fr) 1983-03-19 1984-03-05 Article tricoté sur métier plan et procédé de fabrication

Country Status (2)

Country Link
EP (1) EP0119536B1 (fr)
DE (1) DE3460651D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012711A1 (fr) * 1992-12-03 1994-06-09 Cv Apparel Limited Article tricote
WO1997013905A1 (fr) * 1995-10-12 1997-04-17 E.I. Du Pont De Nemours And Company Procede et appareil pour tricoter un tissu avec un fil non elastique et un fil elastomere nu, et texture de tissu tricote pour chandail
DE19902943C2 (de) * 1999-01-26 2001-05-31 Memminger Iro Gmbh Fadenumlenkvorrichtung für laufende Fäden
WO2005001183A1 (fr) * 2003-06-02 2005-01-06 Invista Technologies S.A.R.L. Procede de fabrication d'un tricot circulaire elastique comprenant des fils de spandex et des fils non elastiques
US7634924B2 (en) 2004-06-01 2009-12-22 Invista North America S.ár.l. Knit by design method and fabric
US7797968B2 (en) 2004-06-01 2010-09-21 INVISTA North America S.à.r.l. Method to make circular knit elastic fabric comprising spandex and hard yarns

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB916991A (en) * 1959-06-10 1963-01-30 Faun Foundations Ltd Improvements in or relating to knitted foundation garments, body belts and the like
DE1812285A1 (de) * 1967-12-05 1969-07-03 Heberlein & Co Ag Verfahren zur Herstellung eines elastischen gestrickten Textilbandes
US3971234A (en) * 1974-09-04 1976-07-27 E. I. Du Pont De Nemours And Company Double-knit elastic fabric with raised patterns
DE3035764A1 (de) * 1980-09-23 1982-05-06 Wendler, Egon, 7538 Keltern Vorrichtung zum mehrfaedigen zufuehren von garnen an strickmaschinen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB916991A (en) * 1959-06-10 1963-01-30 Faun Foundations Ltd Improvements in or relating to knitted foundation garments, body belts and the like
DE1812285A1 (de) * 1967-12-05 1969-07-03 Heberlein & Co Ag Verfahren zur Herstellung eines elastischen gestrickten Textilbandes
US3971234A (en) * 1974-09-04 1976-07-27 E. I. Du Pont De Nemours And Company Double-knit elastic fabric with raised patterns
DE3035764A1 (de) * 1980-09-23 1982-05-06 Wendler, Egon, 7538 Keltern Vorrichtung zum mehrfaedigen zufuehren von garnen an strickmaschinen

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012711A1 (fr) * 1992-12-03 1994-06-09 Cv Apparel Limited Article tricote
US5584196A (en) * 1992-12-03 1996-12-17 Cv Apparel Limited Knitting plied elastic yarn on a full fashion flat bed knitting machine
WO1997013905A1 (fr) * 1995-10-12 1997-04-17 E.I. Du Pont De Nemours And Company Procede et appareil pour tricoter un tissu avec un fil non elastique et un fil elastomere nu, et texture de tissu tricote pour chandail
WO1997013904A1 (fr) * 1995-10-12 1997-04-17 E.I. Du Pont De Nemours And Company Procede et equipement pour le tricotage de tissu avec un fil non elastique et du fil elastomere nu, et constitution de tissu tricote pour pull-overs
FR2739875A1 (fr) * 1995-10-12 1997-04-18 Du Pont Procede et dispositif de tricotage de tissu a l'aide de fil non elastique et de fil elastomere nu et tissu tricote pour tricot
US5931023A (en) * 1995-10-12 1999-08-03 Du Pont Process and apparatus for knitting fabric with non-elastic yarn and bare elastomeric yarn and sweater knit fabric construction
DE19902943C2 (de) * 1999-01-26 2001-05-31 Memminger Iro Gmbh Fadenumlenkvorrichtung für laufende Fäden
WO2005001183A1 (fr) * 2003-06-02 2005-01-06 Invista Technologies S.A.R.L. Procede de fabrication d'un tricot circulaire elastique comprenant des fils de spandex et des fils non elastiques
US7117695B2 (en) 2003-06-02 2006-10-10 Invista North America S.A.R.L. Method to make circular-knit elastic fabric comprising spandex and hard yarns
AU2004252450B2 (en) * 2003-06-02 2008-12-04 Invista Technologies S.A.R.L. Method to make circular-knit elastic fabric comprising spandex and hard yarns
KR101041706B1 (ko) * 2003-06-02 2011-06-14 인비스타 테크놀러지스 에스.에이.알.엘. 스판덱스 및 경질 얀을 포함하는 환편 탄성 직물의 제조방법
US7634924B2 (en) 2004-06-01 2009-12-22 Invista North America S.ár.l. Knit by design method and fabric
US7797968B2 (en) 2004-06-01 2010-09-21 INVISTA North America S.à.r.l. Method to make circular knit elastic fabric comprising spandex and hard yarns

Also Published As

Publication number Publication date
DE3460651D1 (en) 1986-10-16
EP0119536B1 (fr) 1986-09-10

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