WO1999029947A1 - Produit en fibres forme de fil(s) elastique(s) guipe(s) - Google Patents

Produit en fibres forme de fil(s) elastique(s) guipe(s) Download PDF

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Publication number
WO1999029947A1
WO1999029947A1 PCT/JP1997/004462 JP9704462W WO9929947A1 WO 1999029947 A1 WO1999029947 A1 WO 1999029947A1 JP 9704462 W JP9704462 W JP 9704462W WO 9929947 A1 WO9929947 A1 WO 9929947A1
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WO
WIPO (PCT)
Prior art keywords
yarn
elastic yarn
elastic
elongation
coated
Prior art date
Application number
PCT/JP1997/004462
Other languages
English (en)
Japanese (ja)
Inventor
Sigeru Mizutani
Yoshiaki Ueshima
Original Assignee
Sukaraa Haitatti Co., Ltd.
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 Sukaraa Haitatti Co., Ltd. filed Critical Sukaraa Haitatti Co., Ltd.
Priority to PCT/JP1997/004462 priority Critical patent/WO1999029947A1/fr
Publication of WO1999029947A1 publication Critical patent/WO1999029947A1/fr

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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
    • D02G3/322—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic using hollow spindles
    • 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
    • D04B1/22—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 specially adapted for knitting goods of particular configuration
    • D04B1/24—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 specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/26—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 specially adapted for knitting goods of particular configuration wearing apparel stockings

Definitions

  • the present invention relates to a fiber product constituted by using a low-elongation coated elastic yarn having a maximum elongation of 20 to 100% in an elastic region, specifically, a stocking product, and an undergarment.
  • the present invention relates to knitted and woven products including articles. Furthermore, the present invention relates to a low-elongation degradable yarn having a maximum elongation of 20 to 100% in an elastic region, a method for producing the same, and a force-balancing device for producing a low-elongation coated elastic yarn.
  • Coated elastic yarns have excellent dyeing properties and large stretching power, so they are widely used mainly in textiles that require close adhesion and tightening force, such as stockings and underwear.
  • coated elastic yarns in the above-mentioned applications are attractive in that they have high elasticity and high tightening force, and those having a maximum elongation of 200% or more in an elastic region are used. He had tightly tightened the body lines on his legs and waist.
  • This conventional coated elastic yarn has been manufactured by covering an inelastic yarn such as a Ny knit yarn on an elastic filament such as an inflated polyurethane stretched about three to four times.
  • an object of the present invention is to provide a textile product that is comfortable to wear, reduces heat and stuffiness and produces a refreshing feeling of wear, is durable, easy to attach and detach, and has a rich fuzzy property.
  • An object of the present invention is to provide a stocking product, an undergarment product, a coated elastic yarn of an important material thereof, and a method for producing the coated elastic yarn. Disclosure of the invention
  • the present inventor manufactured coated elastic yarns having different characteristics from the conventional ones, and further produced fiber products such as knitted and woven fabrics using the obtained various types of coated elastic yarns, and studied the quality and characteristics in detail.
  • textile products using low-elongation coated elastic yarn with a maximum elongation of 20 to 100% in the elastic region, clothing such as stocking products and underwear products, especially pantyhose and tights Stocking products, including spatter have completely unexpected and unexpected features, i.e., solve the above-mentioned drawbacks and problems of fiber products using conventional coated elastic yarns or Nylon temporary twisted yarns. It has been found to have very good quality.
  • the present inventors have studied the industrial production method and production apparatus for the low elongation coated elastic yarn having the above characteristics, and completed the present invention.
  • the present invention provides a low-elongation coated elastic yarn having a maximum elongation of 20 to 100% in an elastic region.
  • a textile product characterized in that it is, clothing ing from knitted or woven, among others knitted, c low elongation covered elastic yarn is suitable particularly stocking product, the undergarment product with other fibers
  • the number of threads of non-elastic yarn such as nylon filament is 0 to 1 for the number of lined yarns of low elongation coated elastic yarns.
  • the alternating knitted stocking products have a good feeling of wearing and have excellent quality.
  • the elastic yarn for low elongation coating used in the above-mentioned textile products is not particularly limited except for the elongation, but after the nylon yarn is used as the coating yarn and the elastic yarn is force-barried, it is continuously 17 A low-elongation coated elastic yarn that is heat-set by performing a heat treatment at 0 ° C. to 200 ° C. is preferable.
  • the above-mentioned low elongation coated elastic yarn covers the elastic yarn in a state where the total elongation ratio is expanded to 1.3 to 2.8 times, preferably 1.4 to 2.6 times. It can be manufactured by continuously heating at 170 ° C to 200 ° C at a running speed of 70% to 110% at the end of the covering, and heat-setting. . Preferably, the heat treatment is performed so that the running speed of the coated elastic yarn is in the range of 75% to 105% at the end of force baling.
  • the low elongation coated elastic yarn is obtained by covering a non-elastic yarn with an elastic yarn having a total elongation ratio of 1.2 to 2.2 times, preferably 1.3 to 2.1 times. It can also be manufactured.
  • the pre-elongation ratio of the elastic yarn was set to a ratio larger than or equal to the total elongation ratio, and after the elastic yarn was once taken out of the package, the elasticity was continuously taken out. Adjust the yarn to the required total elongation ratio and
  • a general force-balancing device For the production of the low elongation coated elastic yarn, a general force-balancing device can be used.However, the heating means of the coated elastic yarn is 11 times stronger and the running speed of the elastic yarn 6 in the covering zone 7 is reduced. After the total elongation imparting roll 5 to be regulated, a heat fixing speed control means 12 for regulating the traveling speed of the coated elastic yarn passing through the heating means is provided between the heating means and the coated elastic yarn winding device 10. It is highly desirable to use a force balling device that specializes in Also, since the subtle differences in the yarn path affect the quality and the uniformity of the quality, the length of the yarn path of the pre-stretching application roller 3 and the force-balling yarn spindle 8 is longer or shorter (s and s in FIG. 2).
  • an extension giving auxiliary yarn feeding device 14 is provided between the leading extension giving ⁇ -roll 3 of the long weight of the yarn path and the covering yarn spindle 8.
  • the length (s') of the yarn path between the extension giving auxiliary yarn feeding device 14 and the force-balancing yarn spindle 8 should be equal to the length (s) of the spindle having the short yarn path. Is preferred.
  • the coated elastic yarn of the present invention is formed by winding an elastic yarn such as polyurethane around a core yarn and a non-elastic yarn such as nylon or polyester into a covering yarn as a covering yarn.
  • the mechanical properties of the coated elastic yarn were determined by heating the target coated elastic yarn in boiling water with no load for 15 minutes, and then air-drying with no load as a sample, using a tensile tester. This is the value obtained from the S-S curve measured.
  • Fig. 1 shows the obtained typical S-S curves. It has good reproducibility and is close to the value in the state of use in consideration of dyeing processing conditions, etc., and is widely used to show the mechanical properties of the coated elastic yarn.
  • the total elongation ratio is the elongation ratio applied to the total elongation applying roll 5 based on the elastic yarn wound around the package 1, that is, a force burr that winds the covering yarn around the core yarn.
  • the pre-elongation magnification is the elongation magnification applied to the pre-elongation application port 3 based on the elastic yarn wound on the package 1, that is, the elongation magnification applied by unraveling. And included in the total elongation ratio.
  • FIG. 1 shows an example of the SS curve measurement of the coated elastic yarn.
  • A is the SS curve of the low-elongation coated elastic yarn
  • B is the SS curve of the conventional coated elastic yarn.
  • a is the low elongation covered elastic yarn
  • b is the boundary value between the elastic region and the inelastic region of the conventional coated elastic yarn, and is the maximum elongation in the elastic region.
  • FIG. 2 is an explanatory view showing a processing system of a multi-mass single covering device provided with a heating means 11
  • FIG. 3 is a processing system of one weight in a double force barring device provided with a heating means 26.
  • FIG. 4 is an explanatory diagram of a processing system of a conventional multi-spindle single force balancing device
  • FIG. 5 is an explanatory diagram showing a processing system of one spindle in a conventional double covering device.
  • textile products manufactured using the above-described low elongation coated elastic yarn such as stocking products and underwear products
  • the fact that the tightening force was low was expected to some extent, but instead it reduced the heat and stuffiness of the wearer, giving the wearer a fresh feeling of wear, improving durability, and causing pulling.
  • the present invention has been completed because of the surprising effect of holding down, easily attaching and detaching, and keeping the appearance uniform.
  • the present invention will be specifically described with reference to embodiments.
  • the low elongation coated elastic yarn used in the present invention is a replacement paper such as polyurethane, which is the core yarn.
  • Inelastic yarn such as nylon is wound around the elastic yarn as a coating yarn.
  • the low-elongation coated elastic yarn can be used for the main part of the purpose of using the textile product to achieve the effect. You may interweave.
  • the usage ratio there is no special restriction on the usage ratio, and it may be increased or decreased as appropriate. Generally, it is desirable to mix and interweave at least 30% by weight in the main part.
  • the number of non-elastic yarns such as nylon filaments is alternately knitted at a ratio of 0 to 1 with respect to the number of yarn supply yarns of low elongation-covered cohesive yarn, and other knitting is performed.
  • the textile product of the present invention is not limited to textiles and knits, but is suitable for clothing and knitwear, especially for products that come into contact with the skin, such as stocking products, underwear products, and girdle products, and products that require an appropriate tightening force. is there. Above all, it is effective for eliminating the stuffiness and heat of summer products and the problem of putting on and taking off, and improving freshness, fashionability and durability.
  • the maximum elongation is doubled, the coating yarn is uniform, and the coverage of the core yarn does not decrease so much during elongation. Also, clothing is soft and easy to put on and take off, so you don't have to do too much, preventing damage when putting on and taking off. Furthermore, since the expansion and contraction range is appropriate, the uniformity of stitches and weaves is maintained in appearance, and the appearance is less disturbed and the effect on the fashion cannot be ignored.
  • the elastic yarn for low elongation coating there is no particular limitation other than elongation. ⁇ Nylon yarn is used for the coating yarn for stocking products, etc. It is.
  • the covering yarn is covered with the total elongation ratio of the elastic yarn within the range of 1.1 to 2.8, and the processing speed of the covering elastic yarn is reduced to 70 at the end of the covering.
  • % To 110%, preferably 75% to 105% to produce a coated elastic yarn having a maximum elongation in the elastic range of 20% to 100% by heat treatment. Can be.
  • the coated elastic yarn used in the present invention produced in this manner is characterized in that the coating yarn is heat-fixed in a spiral wrap state in close contact with the elastic yarn, and the uniformity of coating is large and stable.
  • the total elongation of the core yarn is 0.
  • the magnification is usually 1.2 times to 2.2 times, preferably 1.3 times to 2.1 times.
  • the target coated elastic yarn when a coated elastic yarn having a maximum elongation in the elastic region of 50% is intended, the target coated elastic yarn can be obtained by performing covering with a total elongation ratio of 1.6 times. It has the feature that it can be manufactured using a conventional covering device without heat treatment means as it is.
  • the second method when producing a coated elastic yarn having a maximum elongation of 50% in the elastic region, involves covering with a total elongation ratio of about 1.6 times.
  • the total elongation ratio can be reduced to about 2 times to perform force-balancing and heat-setting to reduce shrinkage, so that a coated elastic yarn having a small ratio of the core yarn to the coating yarn can be obtained.
  • the use ratio of expensive elastic yarn is smaller than that of the covering yarn, or the elastic yarn is more expensive as the fineness becomes finer, the first production method has a large economic effect.
  • the drum-type package 31 of elastic yarn is rotated at a specified rotation speed.
  • the package 31 is placed on two rolls 3 2, and the pre-elongation imparting roll 33 is used.
  • the elastic yarn 34 is taken up by applying a tension, and the elastic yarn 36 is subjected to elongation addition at the total elongation ratio between the pre-elongation imparting roll 33 and the total elongation imparting roll 35 to provide a force-balancing zone 3.
  • the coating yarn is taken from the coating yarn spindle 38, and the elastic yarn 36 is force-validated.
  • the force-barred coated elastic yarn 39 is a replacement sheet (Rule 26) It is wound around the coated elastic yarn winding package 40.
  • the elastic yarn 43 subjected to the elongation addition at the total elongation ratio between the first elongation imparting roll 41 and the total elongation imparting roll 42 is applied to the first force balancing zone.
  • the package 1 is rotated on the roll 2 and the elastic yarn 34 is taken up by the pre-elongation imparting roll 3, and the total elongation imparting roll 5 Then, the elastic yarn 6 is extended and added, passes through the force-balancing zone 7, and the coating yarn is pulled off from the force-balancing yarn spindle 8 to cover the elastic yarn 6.
  • the coated elastic yarn 9 that has completed the force balling is heated continuously by passing through the heating means 11 and thermally fixed.
  • the heating means there is no particular limitation on the heating means, and a heating plate, a heating cylinder, a heating drum, or the like that can provide a heating temperature of 90 to 200 ° C. can be used.
  • a heat fixing unit speed control roll 12 is provided following the heating means 11, and before and after the total elongation imparting roll 5 and the heat fixing unit speed control roll. It is desirable that the running speed of the elastic yarn after the coating can be independently controlled.
  • the traveling speed of the coated elastic yarn 9 on the plate is set according to the required characteristics of the coated yarn, fineness, etc. Or 5 Om / min.
  • the length of the heating plate depends on the method, the heating time of a heating plate having a length of about 10 cm is 0.6 seconds to 0.12 seconds, which is almost a sufficient level.
  • a heating plate having a length of about 20 cm is used.
  • the heat-treated coated elastic yarn passes through the winding guide 13 and is wound into the coated elastic yarn winding package 10.
  • the running speed of the coated elastic yarn during the heat fixing can be controlled by controlling the winding speed of the winding package 10. In this case, it is desirable to select a winding condition in which the change between the heat setting tension and the winding tension is small.
  • the weights are brought close to each other, and the position of the force-balancing yarn spindle 38 of each weight is determined as shown in FIG.
  • the yarn path between the preceding elongation imparting roll 33 and the force-balancing yarn spindle 38 became longer or shorter.
  • the total elongation rate of the force-balancing zone was set to three times or more, there was no noticeable problem with any of the weights.
  • the weight of the yarn with a long yarn path is liable to cause fluctuations in the elastic yarn's elongation and rotation, which are considered to be caused by fluctuations in the tension of the coating yarn.
  • an auxiliary yarn supplying device 14 for applying the pre-elongation was provided, and the covering yarn spin spindle was provided from the advance elongation applying roll 3 or the auxiliary yarn supplying device 14 of each weight. It has been found that the problem can be solved by setting the yarn path length of the elastic yarns up to 8 to be almost the same and short.
  • a roll, a rotating blade tensor, or the like can be used as the auxiliary yarn feeding device 14.
  • the yarn path length from the elastic yarn release point of the preceding elongation imparting roll 3 to the covering yarn spindle 8 is desirably 10 cm or less, and the shorter it is, the better.
  • the double force balancing device shown in FIG. 3 does not have an auxiliary yarn feeding device, but has a heating means 26 and has two covering zones 23 and 24. Others conform to the single force balling device shown in Fig. 2. 2 1 is elastic yarn package,
  • Reference numeral 22 denotes a pre-elongation application roll
  • reference numeral 25 denotes a total elongation application roll
  • reference numeral 27 denotes a heat fixing unit speed control roll
  • reference numeral 28 denotes a coated elastic yarn winding package.
  • the coated elastic yarn used in the present invention was manufactured and added to pantyhose, and a wearing test was conducted.
  • the results will be specifically described.
  • the results of the evaluation of stocking in the examples and comparative examples were as follows.Eight try-on persons wore a total of seven days, and the wearer compared the results with the conventional pantyhose. This is the result of the stage determination.
  • the average number of days of wear is the average of the total number of days of wear, including those that are worn for 7 days and undamaged 8 days. It has been calculated.
  • the total elongation ratio is set to 1 36
  • the elastic yarn was covered in the range from 6 to 3.
  • 1 ⁇ Nylon multifilament with 9 g Z denier and 5 single yarns wound around 2 denier polyurethane urethane elastic yarn at 2,400 t (turn) Zm Elastic yarn was produced.
  • the pre-elongation ratio was set to a constant value of 1.6, and no heat-fixing treatment was applied in any case.
  • Table 1 shows the respective processing conditions and the measurement results of the maximum elongation in the elastic region obtained by measuring the S-S curve of the obtained coated elastic yarn.
  • each of the above-mentioned coated elastic threads is used for the leg section, and normal thread is used for the panty section and the toe tip section.
  • Table 2 shows the measurement results of the maximum elongation in the elastic region obtained from the SS curve of each obtained coated elastic yarn. Further, in the same manner as in Example 1, each pantyhose was knitted on each leg portion using each covered elastic yarn, and its wearing evaluation was performed. The results are shown in Table 2.
  • panty-stocking was carried out in the same manner as in Example 1 except that the leg portion was constituted by the one-to-one alternate knitting of the coated elastic fiber produced in Example 4 and the 15-denier 3-filament twine yarn. They were knitted and their wearing was evaluated. The results are shown in Table 2.
  • Table 3 shows the measurement results of the maximum elongation in the elastic region obtained from the SS curve of the obtained coated elastic yarn, and the results of the evaluation of wearing and the completion of the pantyhose in the same manner as in Example 1. Show.
  • Example 13 uses the coated elastic yarn obtained in Example 3 in Example 3, Example 14 in Example 14, and Comparative Example 4 using the coated elastic yarn obtained in Comparative Example 2, with 20 denier and 20 filament in each case.
  • One-to-one alternate knitting with nylon yarn is applied to the knitting of the body part of women's panties using a circular knitting machine with eight yarn feeders, a 12 inch diameter, and 9600 stitches. Complete, cutting, sewing, dyeing finish
  • the textile product of the present invention is knitted or woven using a low-elongation covered elastic yarn having a maximum elongation of 20 to 100% in an elastic region.
  • the tightening force is not only soft, it is durable, there is no pulling or yarn fraying, it is easy to wear, it is easy to take off, and the appearance when worn is disturbed It has excellent product characteristics that eliminates the unpleasant stuffiness of summer stocking products, which have been a major problem in the past, and gives a refreshing feeling of wearing.
  • the yarn can be easily manufactured.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Socks And Pantyhose (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

L'invention concerne un produit en fibres, tel que des bas ou un sous-vêtement, formé d'un fil élastique guipé à faible allongement dont l'allongement maximum en termes d'élasticité est compris entre 20 et 100 %. Un tel produit en fibres présente une durabilité améliorée, des propriétés d'agréable toucher, de confort lié à l'élimination de la pression sur les jambes sans être incommodant. De plus, on enfile et enlève aisément ce produit qui présente un aspect uniforme. Une fois que le fil élastique, qui est étendu entre 1,3 et 2,8 fois, est guipé avec des fils de revêtement, le fil élastique guipé est constamment soumis à un traitement thermique à une température allant de 170 à 200 °C pour la fixation de la chaleur à un rapport entre une vitesse en cours de traitement allant de 70 à 110 % et une vitesse du fil lorsque le traitement est achevé. On utilise de préférence des fils utilisés pour des bas et des fils de Nylon pour recouvrir les fils.
PCT/JP1997/004462 1997-12-05 1997-12-05 Produit en fibres forme de fil(s) elastique(s) guipe(s) WO1999029947A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/004462 WO1999029947A1 (fr) 1997-12-05 1997-12-05 Produit en fibres forme de fil(s) elastique(s) guipe(s)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/004462 WO1999029947A1 (fr) 1997-12-05 1997-12-05 Produit en fibres forme de fil(s) elastique(s) guipe(s)

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WO1999029947A1 true WO1999029947A1 (fr) 1999-06-17

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PCT/JP1997/004462 WO1999029947A1 (fr) 1997-12-05 1997-12-05 Produit en fibres forme de fil(s) elastique(s) guipe(s)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101902854B1 (ko) 2017-11-22 2018-11-13 박형규 나일론 필라멘트 2합피복사로 제조한 커버링사 및 그 제조방법과 커버링사로 제직된 신축성 직물

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52144445A (en) * 1976-05-27 1977-12-01 Unitika Ltd Linennlike composite yarn and its manufacture
JPH05195356A (ja) * 1992-01-23 1993-08-03 Toyobo Co Ltd 一重カバリング弾性糸
JPH05339802A (ja) * 1992-02-10 1993-12-21 Kanebo Ltd カバーリングストッキング
JPH0874102A (ja) * 1994-08-31 1996-03-19 Toray Ind Inc ストッキング及びその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52144445A (en) * 1976-05-27 1977-12-01 Unitika Ltd Linennlike composite yarn and its manufacture
JPH05195356A (ja) * 1992-01-23 1993-08-03 Toyobo Co Ltd 一重カバリング弾性糸
JPH05339802A (ja) * 1992-02-10 1993-12-21 Kanebo Ltd カバーリングストッキング
JPH0874102A (ja) * 1994-08-31 1996-03-19 Toray Ind Inc ストッキング及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101902854B1 (ko) 2017-11-22 2018-11-13 박형규 나일론 필라멘트 2합피복사로 제조한 커버링사 및 그 제조방법과 커버링사로 제직된 신축성 직물

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