CN103397419B - Low-twist high-strength yarn and spinning technology thereof - Google Patents
Low-twist high-strength yarn and spinning technology thereof Download PDFInfo
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- 238000009987 spinning Methods 0.000 title claims abstract description 27
- 238000005516 engineering process Methods 0.000 title abstract description 8
- 229920000742 Cotton Polymers 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 19
- 229920004933 Terylene® Polymers 0.000 claims abstract description 11
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 11
- 238000009960 carding Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 241001589086 Bellapiscis medius Species 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000005267 amalgamation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 18
- 239000000835 fiber Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007378 ring spinning Methods 0.000 description 5
- 238000010042 air jet spinning Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 240000000047 Gossypium barbadense Species 0.000 description 1
- 235000009429 Gossypium barbadense Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000009985 spun yarn production Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
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Abstract
The invention relates to the spinning technical field, in particular to a low-twist high-strength yarn and the spinning technology of the low-twist high-strength yarn. Blending is carried out on terylene and cotton which are blended according to the feeding mass ratio of 50-70:30-50, the opening picking procedure, the cotton carding procedure, the combing procedure, the drawing procedure, the roving procedure and the spinning procedure are carried out, and a terylene/ cotton blending yarn with the fineness degree of 7.4-36.7tex, the twist coefficient of 260-300 and the strength of 20-35cN/tex is spun. According to the low-twist high-strength yarn and the spinning technology, the variety adaptation of the low-twist high-strength yarn is improved, the yarn strength is improved, under the condition that the design twist coefficient is reduced by 10%-35%, the tensile strength of the blending yarn is 5%-10% higher than that when the twist coefficient is normally designed, and the foundation is laid for the development of the shell fabric with the good softness and comfort performance.
Description
Technical field
The present invention relates to spinninging technical field, specifically a kind of spinning process of low twist high strength yarn.
Background technology
Along with the raising of people's living standard, consumer has higher requirement to fabric panel pleasant softness, the yarn twist reducing in fabric is to improve the effective ways of fabric panel pleasant softness, but the decline of yarn twist can make yarn strength decline, and finally can affect and weave and dyeing and finishing manufacturing procedure.
The RING SPINNING that realizes twisting by spindle rotation is the most traditional spinning method, also be on current market consumption at most, the most general spinning method, technology is very ripe, although there is at present the Advanced Spinning Technologies that a lot of production efficiency is high, technological process is short, as Revolving cup spinning, Air-Jet Spinning etc., especially Air-Jet Spinning, adopt High Rotation Speed air-flow to make fibre bundle false twisting looping resultant yarn and thoroughly changed the twisting mechanism of RING SPINNING, but these spinning methods still cannot replace RING SPINNING in adaptability to raw materials and yarn oeverall quality.Therefore, RING SPINNING remains topmost spinning system in modern spun yarn production.
Twisting is the necessary means of fiber yarn forming, for traditional ring spinning, the twist is to be produced by steel traveler motion, the twist is delivered to twisted point place from bottom to top after producing, make the outer layer fiber of ribbon produce radial pressure to internal layer extruding, thereby make yarn obtain frictional force along fibre length direction, form the yarn with certain characteristic.Be delivered to from bottom to top in twisted point process by steel traveler place in the twist, because the sth. made by twisting of the parts such as steel traveler falls into effect and extraneous factor, make twist transmission have certain loss, thereby affect yarn quality.
Summary of the invention
The object of the invention is to propose the low and low twist high strength yarn that TENSILE STRENGTH is high of a kind of twist.
By terylene and the cotton quality that feeds intake with 50～70 ︰ 30～50%, than blending, formation fineness is the wash/silk/cotton blended yarn that 7.4～36.7tex, twist multiplier are 260～300, intensity is 20～35cN/tex.
The present invention takes terylene and cotton blending, improve the varietal adaptation of low twist high strength yarn, increase yarn strength, in the situation that design twist multiplier reduces by 10%～35%, high by 5%～10% when strength ratio normal design twist factor is stretched in the position of blended yarn of the present invention, for the exploitation with good soft comfortableness fabric lays the foundation.
Another object of the present invention is the production technology that proposes above-mentioned blended yarn.
Procedure of processing of the present invention comprises opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting, rove and spun yarn, and feature is: when opening picking, by terylene and the cotton mass ratio mixing that feeds intake with 50～70 ︰ 30～50%, adopt false twisting in the time of spun yarn.
Particularly:
(1) opening and cleaning step: blowing adopts the technological principle of " short flow process, grab that duty is grabbed less, many pines beat less, frivolous crawl, soft shredding, strengthen noil ", suitably reduces the each Beater Speed of opening or cleaning cotton machine, and increase dirt rod spaces; Opener operation adopts card wire type hired roughneck, and hired roughneck is 12～16mm to spacing between dirt rod, and spacing between dirt rod is followed successively by 10mm, 8mm, 6mm by import to outlet; It is 12～18mm that the rolling hired roughneck of opening picking is spaced to dirt rod, spaces for 5mm between dirt rod; Kirschner beater speed is 400～550 r/min, and comprehensive Beater Speed is 850～950 r/min, and fan speed is 1000～1400 r/min, and cotton rolling quantity is 350～420g/m, and lap length is 33～37m.
(2) carding step: comb and parallel cotton fibers prior to spinning adopt " tightly space, light quantitatively, jogging speed " technological principle, suitably reduce licker-in doffer speed, increase cylinder and the surperficial speed ratio of licker-in, and suitably strengthen spacing between cylinder and cover plate; Reduce output and quantitatively simultaneously, increase cover plate speed, and control blast, air quantity everywhere well; Feed plate of cotton carding machine and licker-in space and are controlled at 0.2～0.28mm, licker-in and cylinder space and are controlled at 0.15～0.2mm, 5, removable cover and cylinder space and are controlled at successively 0.2～0.25mm, 0.18～0.23mm, 0.18～0.23mm, 0.18～0.23mm, 0.18～0.23mm, cylinder speed is controlled at 330～430r/min, cover plate speed is controlled at 80～240mm/min, doffer speed is controlled at 30～50r/min, licker-in speed is controlled at 800～1050r/min, output speed is controlled at 70～90m/min, and Weight control is controlled at 15.5～19g/5m.
(3) combing process: pre-drawing combined roots is 6, bar volume adopt 22～28 pre-drawings and close, and speed of production is controlled at 70～95m/min, and cotton rolling quantity is controlled at 55～60g/m; The combing speed of a motor vehicle is controlled at 250～320 pincers/min, adopt 115 ° of cylinder camber abgles, top comb density is controlled at 30 pins/cm～36 pin/cm, roller diameter 35 × 27 × 27 × 27 × 27mm, employing retreats to cotton mode, be controlled at 4.5～5mm to cotton length, realize linters rate in combing process and be controlled between 19%～22%.
(4) mixing in doubling step: the speed of a motor vehicle is controlled at 300-350 m/min, respectively through in advance also, amalgamation, mixed two, mixed three or four procedures, wherein pre-drawing adopt 6～8 combing slivers and and, amalgamation adopt 4～6 terylene bars and 2～4 combing slivers and and, mixed two adopt 6～8 through the polyester-cotton blend bars of amalgamation processing and and, mixed three adopt 6～8 polyester-cotton blend bars of processing through overmulling two and and, drafting multiple is controlled at 5.5～8 times of left and right, design quantitative is built in 17～20g/5m left and right, roller gauge 10 × 16mm, ratch 50 × 51mm.
(5) Roving Frames: ingot speed control is built in 700-900 r/min, regular roving feeding is controlled at 4～6g/10m, roving twist factor is controlled between 75～85, roller gauge is 12 × 28 × 35mm, roller diameter 28 × 28 × 25 × 28mm, just drafting multiple is controlled at 1.2～1.5 times, and total draft multiple is controlled at 6.5～9 times.
(6) spinning process: front roller rotating speed 220～260r/min, total draft multiple is controlled at 21～32 times, back zone drafting multiple 1.2～1.5, roller diameter 25mm × 25mm × 25mm, roller gauge 18mm × 35mm, ratch 43mm × 60mm, spun yarn twist factor is 260～300, diameter of ring is 42mm, and Hardness is Shao Shi 65 ± 3 degree, and ingot speed is 14000～15000r/min; Nip gauge is 2.0-4.0mm, and before front leather roller, momentum is controlled between 0～3mm, and reel cage pressure is the two ingots of 160 × 100 × 140N/.Meanwhile, install a kind of mechanical twist device additional at spinning section, comprise false twister support, cylindrical false twister and the servomotor that drives false twister to rotate.Wherein, false twister is arranged on false twister support by the bearing at two ends, false twister support is fixed on thread board by connector, in false twister, comprise 3 fixed blocks, yarn is once serpentine through three pulleys and arranges in false twister, servomotor is enclosed within the gear outside false twister and then false twister is rotated by chain-driving, then yarn is produced to twist effect.Wherein, twister rotating speed and spindle rotating speed are in the same way, the diameter of false twister is between 12～14mm, length is between 62～64mm, built-in 3 pulleys of false twister comprise that spacing between the first pulley, the second pulley and the 3rd pulley is between 22～24mm, the first pulley is apart from the distance of false twister upper port between 7～9mm, and the 3rd pulley is apart from the distance of false twister lower port between 7～9mm, and servomotor rotating speed is controlled at 2000～2500rpm/min.
The present invention facilitates production control, the good stability of product, and qualification rate is high.
Brief description of the drawings
Fig. 1 is the scheme of installation of spun yarn false-twisting device.
Fig. 2 is the work schematic diagram of spun yarn false-twisting device.
Detailed description of the invention
One, spun yarn false-twisting device and mounting structure thereof:
As shown in Figure 1, 2, when spun yarn of the present invention on thread board 9 by the support 5 of connector 6 fixing false-twisting devices.
On support 5, support a cylindrical tube 1 by pair of bearings 4.
At the outer driven gear 3 that is coaxially fixedly connected with of cylindrical shell 1, by back shaft, three pulleys 16,15,2 are set respectively at the interior length direction along cylindrical shell 1 of cylindrical shell 1, being axially parallel to each other and axially mutually vertical with cylindrical shell 1 of each pulley.The internal diameter of cylindrical shell 1 is 10～15mm, and length is 60～65mm, and the axial spacing between adjacent pulley is 20～25mm, and pulley 16 is 5～10mm with the port distance of cylindrical shell 1, and pulley 2 is 5～10mm with the another port distance of cylindrical shell 1.
The output of the servomotor 18 by control system 20 adjusting rotary speeds is connected with initiatively travelling gear 17.Between active travelling gear 17 and driven gear 3, be connected with driving-chain 19.Drive cylindrical shell 1 to rotate by sprocket drive system.
Yarn 10 is after 7,8 of paired delivery rollers pass, enter again the inside of cylindrical shell 1, be serpentine ground and walk around successively after pulley 16,15,2, arrive twizzle 11 from the other end of cylindrical shell 1, drive and be wound on spool 12 by the steel traveler 13 moving along guiding principle 14, complete spinning process.
Two, on EJM128K fine spining machine, install above false-twisting device additional, spin as an example of 18.4texT65/JC35 blended yarn example, the terylene of raw material employing 65% and 35% Xinjiang Long staple cotton are carried out mixture, and concrete technology step is as follows:
(1) opening picking
Opener operation adopts card wire type hired roughneck, and hired roughneck is to spacing at 12mm between dirt rod, and spacing between dirt rod is followed successively by 10mm, 8mm, 6mm by import department to exit; Rolling operation hired roughneck is spaced at 12mm to dirt rod, between dirt rod, spaces and is 5mm; For polyster fibre, kirschner beater speed is at 500 r/min, and comprehensive Beater Speed is at 910 r/min, fan speed 1330 r/min, cotton rolling quantity 408.5g/m, lap length 35m; For cotton fiber, kirschner beater speed is at 550 r/min, and comprehensive Beater Speed is at 920 r/min, fan speed 1350 r/min, cotton rolling quantity 383.1/m, lap length 36m.
(2) comb and parallel cotton fibers prior to spinning
For polyster fibre, adopt FA201B carding machine to produce, feed plate of cotton carding machine and the licker-in 0.25mm that spaces, licker-in and the cylinder 0.18mm that spaces, 5, removable cover and cylinder space and are followed successively by 0.25mm, 0.23mm, 0.2mm, 0.2mm, 0.23mm, cylinder speed 350r/min, cover plate speed 90mm/min, doffer speed 50r/min, licker-in speed 850r/min, output speed 82m/min, weight 18.5g/5m; For cotton fiber, adopt FA231 carding machine to produce, feed plate of cotton carding machine and the licker-in 0.23mm that spaces, licker-in and the cylinder 0.15mm that spaces, 5, removable cover and cylinder space and are followed successively by 0.2mm, 0.18mm, 0.18mm, 0.18mm, 0.2mm, cylinder speed 400r/min, cover plate speed 180mm/min, doffer speed 40r/min, licker-in speed 980r/min, output speed 80m/min, weight 17.5g/5m.
(3) combing
Pre-drawing operation combined roots is 6, and bar volume adopt 24 pre-drawings and close speed of production 80m/min, cotton rolling quantity 57g/m; The combing speed of a motor vehicle 300 pincers/min, adopt 115 ° of cylinder camber abgles, top comb density 30 pins/cm, roller diameter 35 × 27 × 27 × 27 × 27mm, adopts and retreats to cotton mode, gives cotton length 4.7 mm, hairbrush is accomplished effectively clean, table top guarantee is definitely bright and clean in addition, ensures evenly output and conveying of web, linters rate 20% in combing process.
(4) drafting
Adopt FA1310 drawing frame, the speed of a motor vehicle is controlled at 320 m/min, roller gauge 10 × 16mm, ratch 50 × 51mm, pre-and adopt 6 combing slivers and and, back zone drafting multiple 1.75, primary area drafting multiple 3.632, quantitatively 17.8g/5m; Together mix and adopt 5 terylene bars and 3 yarns and with, back zone drafting multiple 1.75, primary area drafting multiple 4.418, quantitative 17.4g/5m; Two roads mix and adopt together mixed and after 6 yarns and and, back zone drafting multiple 1.50, primary area drafting multiple 3.905, quantitatively 17.2g/5m; Three roads mix and adopt two roads mixed and after 6 yarns and and, back zone drafting multiple 1.34, primary area drafting multiple 4.406, quantitatively 17.0g/5m;
(5) rove
Ingot speed 850r/min, regular roving feeding 4.92g/10m, roving twist factor 76, roller gauge is 12 × 28 × 35mm, roller diameter 28 × 28 × 25 × 28mm, 1.22 times of first drafting multiples, 6.91 times of total draft multiples.
(6) spun yarn
Front roller rotating speed 237r/min, 30.44 times of total draft multiples, back zone drafting multiple 1.21, roller diameter 25mm × 25mm × 25mm, roller gauge 18mm × 35mm, ratch 43mm × 60mm, spun yarn twist factor is 285, design twist factor and reduce by 15%, diameter of ring is 42mm, and Hardness is Shao Shi 65 ± 3 degree, ingot speed is 14500r/min, nip gauge is 3.5mm, momentum 2mm before front leather roller, and reel cage pressure is the two ingots of 160 × 100 × 140N/; The diameter 12mm of false twister, length 63mm, built-in 3 pulleys of false twister comprise the spacing 23mm between the first pulley, the second pulley and the 3rd pulley, the first pulley is apart from the distance 8mm of false twister upper port, the 3rd pulley is apart from the distance 7mm of false twister lower port, servomotor rotating speed 2400rpm/min.
Three, the 18.4texT65/JC35 low twist high strength yarn yarn quality being spun into:
| Bar is done CV/% | -50% details/km -1 | + 50 slubbings/km -1 | + 200 cotton knots/km -1 | Twist factor | Elongation at break/% | Fracture strength/cNtex -1 | Filoplume H value |
| 11.58 | 1 | 5 | 6 | 285 | 9.8 | 30.53 | 3.10 |
Claims (7)
1. a low twist high strength yarn, terylene and cotton are compared to blending with the quality that feeds intake of 50～70 ︰ 30～50, to form fineness be 7.4～36.7tex wash/silk/cotton blended yarn, it is characterized in that washing/twist multiplier of silk/cotton blended yarn is 260～300, intensity is 20～35cN/tex.
2. the spinning process of low twist high strength yarn as claimed in claim 1, procedure of processing comprises opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting, rove and spun yarn, when opening picking, terylene and the cotton mass ratio that feeds intake with 50～70 ︰ 30～50% is mixed, and adopts false twisting in the time of spun yarn; While it is characterized in that spun yarn, front roller rotating speed 220～260r/min, total draft multiple is 21～32 times, and back zone drafting multiple is 1.2～1.5, roller diameter 25mm × 25mm × 25mm, roller gauge 18mm × 35mm, ratch 43mm × 60mm, spun yarn twist factor is 285～300, diameter of ring is 42mm, Hardness is Shao Shi 65 ± 3 degree, and ingot speed is 14000～15000rpm/min; Nip gauge is 3.5mm, and before front leather roller, momentum is 0～3mm, and reel cage pressure is the two ingots of 160 × 100 × 140N/; When spun yarn, between the paired delivery roller of ring throstle and twizzle, false twister is installed, drive false twister to rotate by sprocket drive system, yarn is after passing between paired delivery roller, enter again the inside of false twister, be serpentine and walk around after three pulleys in false twister, arrive twizzle from the other end of false twister, then drive and be wound on spool by the steel traveler moving along guiding principle.
3. spinning process according to claim 2, adopts card wire type hired roughneck while it is characterized in that opening picking, hired roughneck is 12～16mm to spacing between dirt rod, and spacing between dirt rod is followed successively by 10mm, 8mm, 6mm by import to outlet; It is 12～18mm that the rolling hired roughneck of opening picking is spaced to dirt rod, spaces for 5mm between dirt rod; Kirschner beater speed is 400～550 r/min, and comprehensive Beater Speed is 850～950 r/min, and fan speed is 1000～1400 r/min, and cotton rolling quantity is 350～420g/m, and lap length is 33～37m.
4. spinning process according to claim 2, while it is characterized in that comb and parallel cotton fibers prior to spinning, spacing of feed plate of cotton carding machine and licker-in is 0.2～0.28mm, it is 0.15～0.2mm that licker-in and cylinder space, 5, removable cover and cylinder space and are followed successively by 0.2～0.25mm, 0.18～0.23mm, 0.18～0.23mm, 0.18～0.23mm, 0.18～0.23mm, cylinder speed is 330～430r/min, cover plate speed is 80～240mm/min, doffer speed is 30～50r/min, licker-in speed is 800～1050r/min, output speed is 70～90m/min, weight is 15.5～19g/5m.
5. spinning process according to claim 2, while it is characterized in that combing, cotton rolling quantity is 55～60g/m; The combing speed of a motor vehicle is 250～320 pincers/min, adopts 115 ° of cylinder camber abgles, and top comb density is 30 pins/cm～36 pin/cm, and roller diameter 35 × 27 × 27 × 27 × 27mm adopts and retreats to cotton mode, and giving cotton length is 4.5～5mm, and linters rate is 19%～22%.
6. spinning process according to claim 2, while it is characterized in that drafting, the speed of a motor vehicle is 300～350 m/min, respectively through in advance also, amalgamation, mixed two, mixed three or four procedures, wherein pre-drawing adopt 6～8 combing slivers and and, amalgamation adopt 4～6 terylene bars and 2～4 combing slivers and and, mixed two adopt 6～8 through the polyester-cotton blend bars of amalgamation processing and and, mixed three adopt 6～8 polyester-cotton blend bars of processing through overmulling two and and, drafting multiple is 5.5～8 times, be quantitatively 17～20g/5m, roller gauge 10 × 16mm, ratch 50 × 51mm.
7. spinning process according to claim 2, while it is characterized in that rove, ingot speed is 700～900 r/min, regular roving feeding is 4～6g/10m, roving twist factor is 75～85, and roller gauge is 12 × 28 × 35mm, roller diameter 28 × 28 × 25 × 28mm, just drafting multiple is 1.2～1.5 times, and total draft multiple is 6.5～9 times.
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| CN103757920B (en) * | 2013-12-31 | 2015-11-11 | 苏州市轩德纺织科技有限公司 | A kind of preparation method of blended yarn woven fabric of stretch-proof |
| CN108221112A (en) * | 2018-04-08 | 2018-06-29 | 河北童婴贝贝儿童用品科技有限公司 | A kind of moisture absorption, which is breathed freely, super soft opens core cotton yarn, Manufacturing approach and use |
| CN108914313B (en) * | 2018-06-14 | 2020-04-14 | 江苏悦达家纺有限公司 | Size-free woven fabric and weaving method thereof |
| CN109281020A (en) * | 2018-11-19 | 2019-01-29 | 忠华集团有限公司 | A kind of production technology of low twist yarn |
| CN110004549A (en) * | 2019-05-09 | 2019-07-12 | 江苏恒宇纺织集团有限公司 | A kind of compound traction fiber of high-shrinkage polyester cotton and preparation method thereof |
| CN110373774B (en) * | 2019-08-19 | 2022-03-18 | 河北宏润新型面料有限公司 | Production process of twisted-seiulus bamboo fiber and long stapled cotton blended yarn |
| CN110804778A (en) * | 2019-09-29 | 2020-02-18 | 阜阳恒泰纺织有限公司 | Yarn pretreatment process |
| CN114517346A (en) * | 2020-11-20 | 2022-05-20 | 滨州亚光家纺有限公司 | Soft cotton-flax blended yarn and production process thereof |
| CN112647175B (en) * | 2020-12-25 | 2021-12-10 | 潍坊迅纺新材料科技有限公司 | Fine denier terylene, antibacterial terylene and cotton three-component super-soft antibacterial yarn and manufacturing method thereof |
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| CN1804170A (en) * | 2005-01-14 | 2006-07-19 | 香港理工大学 | Processing method and equipment for single-ply ring-spun yarn |
| CN101285229A (en) * | 2008-06-05 | 2008-10-15 | 江苏江南高纤股份有限公司 | Polyester cotton blended yarns and production method thereof |
| CN102747464A (en) * | 2012-07-23 | 2012-10-24 | 陈子瑜 | Round tangential belt false twisting spinning device |
| CN102839453A (en) * | 2012-08-22 | 2012-12-26 | 陈子瑜 | Single-spindle drive wheel disc false-twist spinning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7096655B2 (en) * | 2004-06-02 | 2006-08-29 | The Hong Kong Polytechnic University | Method and apparatus for manufacturing a singles ring yarn |
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|---|---|---|---|---|
| CN1804170A (en) * | 2005-01-14 | 2006-07-19 | 香港理工大学 | Processing method and equipment for single-ply ring-spun yarn |
| CN101285229A (en) * | 2008-06-05 | 2008-10-15 | 江苏江南高纤股份有限公司 | Polyester cotton blended yarns and production method thereof |
| CN102747464A (en) * | 2012-07-23 | 2012-10-24 | 陈子瑜 | Round tangential belt false twisting spinning device |
| CN102839453A (en) * | 2012-08-22 | 2012-12-26 | 陈子瑜 | Single-spindle drive wheel disc false-twist spinning device |
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