WO2001071072A1 - Fils fausse torsion, et procede et dispositif de production correspondants - Google Patents
Fils fausse torsion, et procede et dispositif de production correspondants Download PDFInfo
- Publication number
- WO2001071072A1 WO2001071072A1 PCT/JP2001/002252 JP0102252W WO0171072A1 WO 2001071072 A1 WO2001071072 A1 WO 2001071072A1 JP 0102252 W JP0102252 W JP 0102252W WO 0171072 A1 WO0171072 A1 WO 0171072A1
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- WIPO (PCT)
- Prior art keywords
- yarn
- false
- twisting
- false twisted
- bobbin
- Prior art date
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Classifications
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- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position
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- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/04—Devices for imparting false twist
- D02G1/08—Rollers or other friction causing elements
- D02G1/082—Rollers or other friction causing elements with the periphery of at least one disc
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- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
-
- 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
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
-
- 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
Definitions
- the present invention relates to a false twisted yarn and a method and an apparatus for producing the false twisted yarn.
- the false twisted yarn according to the present invention has little cross-sectional deformation, good drape property, excellent softness, swelling, or lightness, and is rich in tension, waist, and resilience.
- the fabric made of the false twisted yarn according to the present invention has a mild luster, which has not been obtained before, and has a smooth dry feeling. Background art
- Synthetic fibers have various excellent properties such as mechanical properties, and are widely used in products in various fields including general clothing. In garment applications, the quality of synthetic fibers is improved using natural fibers as a target.In particular, in order to give stretched yarns lacking bulkiness, false twisting is performed simultaneously with drawing to create a texture with a bulky texture. Twisted yarn is manufactured.
- hollow fibers in which the inside of each single yarn is hollow are manufactured.
- non-circular cross-sectional fibers having an irregular outer cross-sectional shape of each single yarn have been manufactured.
- a false twisted yarn obtained by false twisting a hollow fiber has a problem that the hollow portion is substantially crushed and the lightness is impaired.
- a technique aimed at widening the shrinkage level of fibers and reducing cross-sectional deformation is disclosed in Japanese Patent Application Laid-Open No. H11-314740.
- a technique aimed at producing a high-density woven fabric using a fiber having a small cross-sectional deformation and having a high shrinkage property is disclosed in Japanese Patent Application Laid-Open No. 1-183540.
- all of these technologies heat the fiber at a temperature equal to or lower than the glass transition point to perform false twisting, and therefore, the productivity of false twisted yarn is poor, and it is not suitable for commercial production.
- a false twisting device including a supply roller 1, a take-up roller 1, and a heating heater plate and a false twisting tool provided between the two rollers is used.
- Japanese Patent Application Laid-Open No. 9-250003 Japanese Patent Application Publication No. JP-A-2003-28139 discloses that a yarn to be supplied to a false twisting device is pre-entangled, and the yarn is heated in a non-twisted state using a supply roller as a heating roller.
- the false twisted yarn obtained by the conventional false twisting method has a high crimping property, and when it is used as a fabric, when crimping occurs in processes such as relaxation, presetting, weight reduction, and dyeing. At the same time, shrinkage occurs, and there is a problem that the drape property of the fabric, the swelling feeling and the soft feeling are reduced.
- the yarn is subjected to the conventional false twisting described above, and the obtained yarn is further heated and set using a heating heater plate. Have been.
- Japanese Unexamined Patent Publication Nos. Sho 59-13033 and Sho 62-252730 disclose that a polyester undrawn yarn is false-twisted at a low temperature. .
- the synthetic fiber yarn improves the unwinding property when the yarn is pulled out from the bobbin on which it is wound. Therefore, especially in the drawn yarn, the yarn is wound in a pin shape on a bobbin using a spindle-type winding device.
- a top punch winding portion is formed on the bobbin at a position different from the pan winding portion in order to clarify the position of the yarn end in use.
- An object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a woven or knitted fabric (hereinafter referred to as a "woven or knitted fabric") with good drapability and excellent softness, swelling and lightness. Rich in tension, waist, rebound, and when made into a fabric, it has a mild luster and can maintain a smooth dry feeling.
- An object of the present invention is to provide a false twisted yarn, a method for manufacturing the same, and a manufacturing apparatus.
- the false twisted yarn according to the present invention comprises (i) a synthetic fiber yarn and has the following characteristics (ii) to (Adi).
- the elasticity restoration ratio (CR) is 10% or more and 40% or less
- TR The crimp expression elongation rate
- V Maximum contraction stress (MCS) is greater than 0.1 l c N / d tex and less than 1.0 c ⁇ / ⁇ tex,
- SDD Single yarn deformation
- a false twisted yarn having an entangling number (EN) of 4 or more and 50 or less The false twisted yarn according to the present invention preferably has a real twist number (RT) of 4 tZm or more and 15 tZm or less.
- the single yarns In the false twisted yarn according to the present invention, it is preferable that 30% or more of the single yarns have a hollow ratio (HR) of 6% or more and 15% or less.
- the single yarn having no concave portion and the single yarn having the concave portion in the cross-sectional outer peripheral shape are mixed, and the single yarn having no concave portion has a degree of deformation (SDD) of 1.0. It is preferably 2.0 or less and the degree of deformation (SDD) of the single yarn having the concave portion is 1.6 or more and 2.5 or less.
- the yarn is wound up in a pin shape on a pobin, and a winding start portion and a winding end portion are gripped by at least one yarn end gripping member provided on the bopin. Preferably.
- a method for producing a false twisted yarn according to the present invention for achieving the above object is as follows.
- an undrawn yarn supplying step of supplying an undrawn yarn of a synthetic fiber (ii) a drawing false twisting step of applying drawing and false twist to the undrawn yarn supplied from the undrawn yarn supplying step, (iii) A false twisted yarn winding step of winding a false twisted yarn obtained by being stretched false twisted in the stretch false twisting step; (iv) the stretching false twisting step includes a heating element, a false twisting tool, and the heating element. And a twist-stopping device provided between the false-twisting device and the false-twisting device. The yarn is subjected to a heating action by the heating element, and then the undrawn yarn that has been heated passes through the fire preventing device. Then, the false twisting operation is performed by the false twisting device using the twist stopping device as a twisting start point. For producing false twisted yarns.
- the method for producing a false twisted yarn according to the present invention it is preferable that the method further includes a entanglement imparting step of imparting entanglement to the unstretched yarn before the unstretched yarn is heated by the heating element.
- the fineness (SD) of a single yarn of the undrawn yarn is preferably 1.2 dteX or less.
- the single yarn of the undrawn yarn has two or more cross-sectional shapes.
- the method further includes a reheating step in which the yarn passing through the twist stopper is heated again between the fire stopper and the false twister.
- a spindle having a rotation axis oriented in a vertical direction, a bobbin mounted on the spindle, and rotating around an outer peripheral surface of the bobbin.
- a traverse guide forming a yarn end is provided on the pobin, and at a position corresponding to a winding start position and a winding end position on the bobbin, It is preferable that the false twisted yarn at the winding start and winding end portions is gripped by a yarn end gripping member formed on the bobbin.
- An apparatus for producing a false twisted yarn according to the present invention for achieving the above object is as follows.
- the stretching false twisting means includes a heating element, a false twisting tool, and the heating element. And a twist stop provided between the false twisting device and the false twisting device. The undrawn yarn is heated by the heating body in a state where the undrawn yarn is stopped by the stopping device, and then, the heated undrawn yarn passes through the fire stopping device, and then the twist stopping device is removed.
- entanglement imparting means for imparting entanglement to the unstretched yarn is provided before the unstretched yarn is heated by the heating element.
- reheating means for heating the yarn passing through the twist stopper again is provided between the fire stopper and the false twister. Is preferred.
- the false twisted yarn winding means includes: a spindle having a rotating shaft oriented in a vertical direction; a bozen mounted on the spindle; A yarn guide for guiding the false twisted yarn onto the bobbin; and raising and lowering the yarn guide in the rotation axis direction of the spindle to form a pan on the bobbin, and a false twisted yarn.
- a traverse guide is formed on the bobbin at a position corresponding to a winding start position and a winding end position on the bobbin.
- the false twisted yarn at the start and end of winding is gripped by the yarn end gripping member.
- FIG. 1 is a plan view of an example of the cross section of a single yarn for explaining the definition of the degree of deformation of the cross section of the single yarn constituting the false twisted yarn according to the present invention.
- FIG. 2 is a plan view of another example of the cross section of the single yarn for explaining the definition of the degree of deformation of the cross section of the single yarn constituting the false twisted yarn according to the present invention.
- FIG. 3 is a schematic front view of an example of an apparatus for performing the method for producing a false twisted yarn according to the present invention.
- FIG. 4 is a schematic front view of another example of an apparatus for carrying out the method for producing a false twisted yarn according to the present invention.
- FIG. 5 is a schematic front view of still another example of an apparatus for performing the method of producing a false twisted yarn according to the present invention.
- FIG. 6 is a schematic front view of still another example of the apparatus for performing the method of producing a false twisted yarn according to the present invention.
- FIG. 7 is a graph for explaining an example of the movement of the traverse guide when the method of producing a false twisted yarn according to the present invention is performed.
- FIG. 8A is a front view of an example of a pirn bobbin provided with one yarn end gripping member used when performing the method of producing a false twisted yarn according to the present invention.
- FIG. 8B is a front view of an example of a burn-up bobbin provided with two yarn end gripping members used when performing the method of producing a false twisted yarn according to the present invention.
- FIG. 9 is a schematic plan view of an example of the yarn end gripping member.
- FIG. 10 is a schematic front view of an example of an apparatus used to carry out a conventional method for producing a false twisted yarn.
- the synthetic fiber yarn referred to in the present invention is a heat-drawable synthetic fiber yarn such as polyester fiber or polyamide fiber. Threads made of polyester fibers are the most general and preferred.
- the false twisted yarn according to the present invention is required to have an elongation (EL) of 20% or more and 50% or less. False elongation when elongation (EL) is less than 20%
- the fluff is generated on the yarn, and the processability such as the weaving process is deteriorated. If the elongation (EL) exceeds 50%, the orientation will be insufficient and the strength will be insufficient. If the usage is to emphasize softness, the elongation (EL) is preferably from 23% to 40%, more preferably from 25% to 40%.
- a tensile test was performed using a Tensilon tensile tester at a sample length of 20 cm, a tensile speed of 20 cm / min, an initial load of 0 ⁇ 088 X fineness (dte X) c N, and the elongation at maximum strength (% ) Is the elongation (EL).
- the false twisted yarn according to the present invention is required to have an elasticity recovery ratio (CR) of 10% or more and 40% or less.
- the elasticity recovery ratio (CR) is preferably from 12% to 35%, more preferably from 12% to 33%. If the elasticity recovery ratio (CR) is less than 10%, the expansion and contraction after weaving or knitting is small, and the swelling of the woven or knitted fabric is reduced. If the elasticity recovery ratio (CR) exceeds 40%, the elasticity after the dyeing and finishing process will increase, and the structure of the woven or knitted fabric will change significantly, resulting in poor softness.
- Constant load (cN) (fineness (dtex) 1. I l l) X 0.1 X 0.99807 X number of windings X 2
- the false twisted yarn according to the present invention has a crimp onset elongation (TR) of 0.5% or more and 15% or less.
- the crimp onset elongation rate (TR) is preferably 0.6% or more and 10% or less, more preferably 0.6% or more and 0.8% or less. If the crimp onset elongation (TR) exceeds 15%, the crimp onset of the woven or knitted fabric after dyeing is increased, and the softness of the woven or knitted fabric is reduced. When the elongation ratio (TR) is less than 0.5%, the crimp after weaving or knitting is small, and the feeling of swelling of the woven or knitted fabric is reduced.
- TR crimp onset elongation
- Constant load (cN) (fineness (dtex) no 1.I l l) X 0.1 X 0.99807 X winding times X 2
- the false twisted yarn according to the present invention is required to have a maximum contraction stress (MCS) of not less than 0.1 lcNZ dtex and not more than 1.0 c NZd tex.
- MCS maximum contraction stress
- MCS is preferably from 0.1 c NZd tex to 0.5 c NZd tex, and more preferably from 0.1 cN d tex to 0.3 cNZd tex.
- MCS maximum shrinkage stress
- the false twisted yarn according to the present invention is required to have a single yarn having a degree of deformation (SDD) of 1.0 or more and 2.5 or less.
- the degree of deformation (SDD) of the single yarn is preferably from 1.0 to 1.7, more preferably from 1.0 to 1.5. If the degree of deformation (SDD) of a single yarn exceeds 2.5, the advantage of the cross-sectional shape of the original yarn is lost.
- the cross-sectional shape of the single yarn constituting the false twisted yarn may be circular or deformed, and may be mixed. Because the degree of deformation after processing is small, the characteristics of the original yarn are utilized.
- the false twisted yarn according to the present invention is required to have an entangling number (EN) of 4 or more and 50 or less in order to have low crimp.
- Number of confounds (EN) is 5 or more 4 It is preferably 5 or less, more preferably 6 or more and 40 or less. If the entanglement number (EN) exceeds 50, the product quality deteriorates because the entangled portion remains even after the dyeing process, and if it is less than 4, productivity decreases due to unwinding property in the twisting process and supply to the loom. Decrease.
- the false twisted yarn according to the present invention preferably has an actual twist number (RT) of 4111 or more and 15 tZm or less.
- the actual twist number (RT) is more preferably 4 tZm or more and 14 tZm or less, and still more preferably 4 tZm or more and 13 tZm or less. This is due to the convergence of the multifilament as well as the entanglement between the single yarns. However, if the actual number of twists (RT) exceeds 15 tZm, the movement of the single yarn becomes insufficient after the dyeing and finishing process, resulting in lack of softness. It will be.
- the false twisted yarn according to the present invention is preferably manufactured from an undrawn synthetic fiber yarn having a hollow ratio (HR) of 15% or more in order to impart a lightweight feeling.
- HR hollow ratio
- the hollow ratio (HR) is preferably higher, but the hollow ratio (HR) is preferably 40% or less. If the hollow ratio (HR) exceeds 40%, the color quality is reduced, and the product quality is reduced due to the rupture of the hollow portion.
- the false twisted yarn according to the present invention 30% or more of the single yarns constituting the false twisted yarn have a hollow rate (HR) of 6% or more and 15% or less, and the hollow rate (HR) is false twisted. It is preferable that the bundle is a hollow fiber bundle randomly distributed among the single yarns constituting the yarn. The percentage of hollow yarns is less than 30% of all yarns And it is not possible to express an excellent lightweight feeling. Also, when the hollow ratio (HR) is less than 6%, similarly, excellent lightweight feeling cannot be exhibited.
- the false twisted yarn according to the present invention is, for imparting a dry feeling, a blend of a single yarn having a cross-sectional shape having no concave portion and a single yarn having a cross-sectional shape having 2 to 8 concave portions. It is preferably manufactured from synthetic fiber undrawn yarn composed of yarn. If the constituent single yarn is only a single yarn having a cross-sectional shape without a concave portion, or a mixed yarn with a single yarn having a cross-sectional shape having one concave portion, a dry feeling can be imparted. Therefore, it is not enough to be applied as a desired clothing fabric.
- the number of the concave portions is nine or more, it is difficult to form such a single yarn by spinning, and the undrawn yarn obtained by spinning is likely to be broken. In this case, since the cross-sectional shape approaches a circle, the gap between the single yarns in the yarn is reduced, and the dry feeling is insufficient.
- the mixing ratio of the single yarn having the cross-sectional shape with the concave portion to the single yarn having the cross-sectional shape without the concave portion is preferably 20:80 to 80:20, and : 60 to 60: 40 is more preferable.
- the ratio of the single yarn having a cross-sectional shape having a concave portion exceeds 80%, a rough feeling ⁇ a rough feeling is obtained. And less than 20% The slimy feeling caused by a single yarn having a cross-sectional shape without a concave portion is enhanced.
- the false twisted yarn according to the present invention has a mild gloss when formed into a fabric, and has a cross-sectional shape having a concave portion in order to maintain a smooth dry feeling.
- (LZr) is preferably 1.6 or more and 2.5 or less. More preferably, it is 1.6 or more and 2.2 or less, and most preferably 1.6 or more and 2.0 or less.
- the degree of irregularity (LZr) is less than 1.6, the difference in unevenness of the single yarn becomes small, and the void between the single yarns in the fiber bundle becomes small, so that the dry feeling is reduced. If the degree of irregularity (LZr) exceeds 2.5, the fabric becomes glaring gloss.
- the convex portions are entangled with each other, or a single yarn having no concave portion is taken into the convex portion, so that a gap between the single yarns in the fiber bundle is closed, and the dry feeling is reduced.
- r is the radius of the inscribed circle R having the largest area among the inscribed circles passing through any three points of the concave portions (1 to 6) shown in FIG.
- L is the length of the longest straight line connecting the center (0) of the maximum inscribed circle R and the convex portion (11 to 16).
- the single yarn having a cross-sectional shape having no concave portion has a degree of deformation (SDD) of 1.0 or more and 2.0 or less. More preferably, it is 1.0 or more and 1.7 or less, and most preferably 1.0 or more and 1.5 or less. If the degree of deformation (SDD) of the single yarn exceeds 2.0, the gap between the single yarns formed with the single yarn having the concave portion is closed, and the dry feeling is reduced.
- the cross-sectional shape of a single yarn having no concave portion includes a circle, an ellipse, and a triangle, but a pseudo-circle having each rounded vertex or a polygon having a triangle or more may be used. A circular or oval shape is more preferable.
- an undrawn yarn 20 of a synthetic fiber yarn is wound around a heating roll 22 and a separation roll 23 several times via a feed roll 21 and is preheated.
- the preheated undrawn yarn 20 is subjected to drawn temporary burning continuously between the fire prevention device 25, the false twisting tool 26, and the take-off roll 27.
- the stretching is performed between the fire prevention device 25 and the false twisting device 26.
- the twisting device 25 provided at a position between the heating roll 22 and the false twisting tool 26 downstream of the point 24 where the yarn on the heating roll 22 separates is moved by the false twisting tool 26. It is the starting point of twisting of the yarn based on the twisting action given to the yarn.
- the false-twisted yarn is wound on a bobbin 29a through a non-heated stretch roll 28 in a pin shape.
- pattern 29 of the false twisted yarn according to the present invention is formed.
- the continuous drawing false twisting may be performed by the indolo method shown in FIG. 3 or the outdraw method.
- an unstretched yarn obtained by winding a melt-spun yarn at a winding speed of 2, more than 50,000 mZ and less than 5,000 OmZ is preferable. If it is less than 2,000 OmZ, it is disadvantageous in increasing the false twisting speed, and if it exceeds 5,000 OmZ, yarn breakage during false twisting increases.
- the twisting device 25 is provided downstream of the point 24 where the yarn separates from the heating roll 22, so that the burning action imparted to the yarn by the false twisting tool 26 is controlled by the heating roll 22. It does not reach the heated yarn. Therefore, the yarn is heated by the heating roll 22 in a non-twisted state. As a result, all the single yarns in the yarn are substantially uniformly and sufficiently heated. Twisting device 25 5 Force Since it is the starting point of twisting, the retrospective twist of the heating roll 22 is prevented, and as a result, fluff or breakage does not occur in the obtained false twisted yarn.
- the obtained false twisted yarn does not have the high crimping property of the conventional false twisted yarn due to the reduction in drape property, swelling feeling, and softness of the fabric, and when woven or knitted, It has good swelling properties, excellent swelling and softness, and has a new texture that is different from conventional drawn yarns and false twisted yarns.
- the temperature of the heating roll 22 may be appropriately set according to the type of the synthetic fiber yarn to be used, the desired crimping performance, the processing speed, etc., but the temperature is not lower than the glass transition temperature of the synthetic fiber yarn to be used. Preferably, there is.
- the number of windings of the yarn around the heating roll 22 may be appropriately set according to the desired amount of heat. However, in order to prevent the yarn from slipping, the number of windings is preferably at least four times. .
- the take-up roll 27 is a roll that can be heated in the same manner as the heating roll 22, it is possible to heat set the false-twisted yarn, and easily produce a two-stage false-twist yarn. be able to.
- the boiling water shrinkage of the obtained false twisted yarn can be increased as compared with a normal false twist yarn.
- the number of twisting can be set as appropriate, but is preferably in the range of 100 tZm to 200 tZm, which are generally used.
- the twist stopping device 25 provided at the twisting start point may be a device having an effect of preventing the twist of the heating roll 22 from going back.
- Conventional rod Non-rotating guides ⁇ such as guides and rotating guides such as roller guides are used.
- the false twisting tool 26 a conventionally known false twisting tool such as a pin type or a triaxial friction type disk type is used. It is preferable to use a triaxial friction type disk or belt nip type false twisting device that can increase the processing speed.
- the number of false twists given to the yarn by the false twisting tool 26 can be set as appropriate, but is preferably in the range of 1,500 tZm to 4,500 tZm.
- the yarn that has been false-twisted, that is, twisted and untwisted, is taken up by a take-up port 27 and a stretch roll 28, and then bobbin 2 is used as a pan 29 by using a spindle-type winding device. Winded up on 9a. Winding the false twisted yarn into a pirn shape using a spindle-type winding device improves the unwinding of the yarn from the bobbin when the obtained false twisted yarn is supplied to the twisting process or a loom. It is preferable because it can be performed.
- an air entangled nozzle (not shown) is used between the stretch roll 28 and the separate roll 28 a provided on the stretch roll to form a yarn. More preferably, confounding is provided.
- the stretch false twisting speed can be set as appropriate, but is preferably in the range of 400: 11 minutes to 1,500 OmZ.
- the yarn is not twisted, and the yarn is uniformly heated to a temperature equal to or higher than the glass transition point and then false twisted, so that processing stability is excellent.
- a false twisted yarn having substantially uniform quality can be produced.
- Synthetic fiber yarns Fine fibers with a fineness (SD) of less than 1.2 dtex or mixed yarns with two or more cross-sectional shapes of single yarns and differences in orientation between the single yarns due to differences in cross-sectional shape
- the yarn is preferably entangled before the yarn is heated by the heating roll 22.
- Fig. 4 shows the production of a false twisted yarn according to the present invention incorporating this confounding. A method and a manufacturing apparatus are shown.
- the unstretched yarn 20 of synthetic fiber yarn is entangled by an entanglement imparting device 31 provided between a feed roll 21 and a heating roll 22.
- an entanglement imparting device 31 provided between a feed roll 21 and a heating roll 22.
- the single yarn fineness of the unstretched yarn 20 of the synthetic fiber yarn is 1.2 dtex or less, the convergence of the single yarn is improved, so that the heat concentration at the time of heating and the stress concentration at the time of drawing are suppressed, and the fluff is made. This is preferable because the occurrence of phenomena is prevented.
- the orientation of the mixed yarns is different from each other, by entanglement before twisting and randomizing the arrangement of single yarns with different orientations. It is preferable because a stress deviation between single yarns at the time of twisting can be suppressed, and a false twisted yarn having good crimpability can be obtained. It is preferable to reheat the yarn between the fire preventing device 25 and the false twisting tool 26 in order to improve the burning fixing ability and obtain desired crimp characteristics.
- FIG. 5 shows a method and an apparatus for manufacturing a false twisted yarn according to the present invention that incorporates this reheating.
- the undrawn yarn 20 of the synthetic fiber yarn is heated by a reheating device 41 provided between the twist stopping device 25 and the false twisting tool 26.
- a reheating device 41 provided between the twist stopping device 25 and the false twisting tool 26.
- the twist fixing ability of the yarn can be improved.
- the twist fixing ability can be set over a wide range, and false twist processing having desired crimp characteristics Yarn can be obtained.
- the reheating device 41 may be a contact heating type device in which the yarn comes into contact with the heating element or a non-contact heating type device in which the yarn passes through a heating atmosphere.
- FIG. 6 shows an outline of an apparatus using a pin winding method which is preferably used when the method for producing a false twisted yarn according to the present invention is carried out.
- the spindle winding device for winding the false twisted yarn 50 into a pin shape has a spindle 51, and the spindle 51 rotates in contact with a rotating belt (not shown).
- a bobbin 52 is mounted on the spindle 51, and the bobbin 52 is rotated by the rotation of the spindle 51.
- a traverse guide 53 for guiding the false twisted yarn 50 supplied from the stretch roll 28 is rotatably supported by the traverse ring 54.
- the traverse ring 54 is moved up and down by a lifting device 55 with a predetermined traverse width with respect to the bobbin 52.
- the spindle 51 rotates, the false twisted yarn 50 is guided by the traverse guide 53, and the false twisted yarn 50 is wound around the bobbin 52 to form a pattern 58.
- FIG. 7 shows an example of the position of the traverse ring 54, that is, the position of the traverse guide 53 in the axial direction of the spindle 51 from the start of winding to the end of winding.
- the horizontal axis XI of the upper graph is time
- the vertical axis Y1 is the thread processing speed
- the horizontal axis X2 of the lower graph is time
- the vertical axis Y2 is the traverse guide. Indicates the position.
- a line a indicates a change in the yarn processing speed
- a line b indicates a change in the rotation speed of the spindle 51
- a line c indicates the position of the traverse guide 53.
- the traverse guide 53 is lowered to a position further below the lower end g of the bobbin 52, and is held at that position. During this time, the yarn processing speed and the rotation speed of the spindle 51 are reduced, and the take-up of the false twisting yarn 50 is stopped.
- winding is stopped, but after the position of the traverse guide 53 is lowered to a position below the lower end of the bobbin g. If so, winding may be stopped after some time has elapsed.
- FIGS. 8A and 8B The state of capture of the yarn end is shown in FIGS. 8A and 8B.
- FIG. 8A the winding end yarn end 63 of the yarn of the pan 62 wound up on the pobin 60 is captured by the yarn end holding member 61 provided on the lower end surface of the bobbin 60.
- the thread between the thread end gripping member 61 and the waist opening — la 56 may be cut with scissors or the like, and the bobbin 60 may be cut with a doffing device (not shown).
- the thread may be raised to tear off the thread between the thread end gripping member 61 and the western roller 56.
- one yarn end gripping member 6 In step 1 the yarn end at the start of winding and the yarn end 63 at the end of winding may be gripped.
- two yarn end gripping members 6 1 a and 6 lb are used for winding. The first thread end and the last thread end may be gripped separately.
- Torque burn number (unit: twist number 50 cm):
- Constant load (c N) (fineness (d t e x) no 1. 1 1) X 0.02 X 0.99 807
- a plain weave sample was prepared by using a drawn polyester yarn having a circular cross section of 33 dte X12 filament and having no crimp as the warp, and using the false twisted yarns obtained in Examples and Comparative Examples as the weft. create.
- the obtained sample was subjected to a sensory evaluation of lightness and drapability in five grades of 1st to 5th grades.
- the elongation (EL) of this false twisted yarn is 30%
- the stretch recovery (CR) is 13%
- the crimp onset elongation (TR) is 0.1%
- the maximum shrinkage stress (MCS ) was 0.2 c NZd tex
- the single yarn deformation (S DD) was 1.44
- the boiling water shrinkage was 22%.
- the evaluation samples shown in Table 1 were collected by changing the stretching ratio, the temperature of the heating roll, the number of preliminary burns, and the temperature of the take-off roller. These yarns were weft yarns, and a 33 dtex, polyester drawn yarn having a circular cross section of 6 filaments and having no crimp was used as a yarn, and a plain weave was made and dyed.
- the woven fabric using the false twisted yarn according to the present invention was found to be excellent in softness according to the tactile evaluation.
- Example 1 Various characteristic values of the false twisted yarn in Example 1 and Comparative Example 18 are shown in Table 1.
- Example 2 The symbol A 'for the evaluation of softness in Comparative Example 6 indicates that the sample has an irritability.
- the elongation (EL) of this false twisted yarn is 30%
- the elongation / contraction recovery (CR) is 20%
- the crimp onset elongation (TR) is 3%
- the maximum shrinkage stress (MCS) is 0%. .2c NZd tex
- single yarn deformation (SD d) was 1.44
- boiling water shrinkage was 22%.
- This false twisted yarn was additionally twisted at 1,000 tZm. This twisted yarn was used as a weft yarn, and a 33 dtex, 6-filament polyester cross-sectioned, non-crimped polyester drawn yarn was used as a yarn to make a plain weave and dyed.
- a polyethylene terephthalate unstretched yarn 80 was prepared by using the conventional false twisting device shown in Fig. 10 at a temperature of false false twists of 83, a temperature of 210 ° C, and a draw ratio of 1 80 times, the processing speed was 60 OmZmin, and the disk rotation speed of the false twisting device 84 was 7, OOO rpm.
- Odtex, 36 filament false twisted yarn was subjected to 1,0 OO tZm of additional twist, and this was used as a weft yarn.
- the cross section of the 33 dtex, 6 filament was circular and crimped.
- the drawn polyester yarn was used as a yarn to make a plain weave and dyed.
- the woven fabric using the false twisted yarn according to the present invention was superior in elasticity to the woven fabric of the comparative example.
- a polyethylene terephthalate (PET) having an intrinsic viscosity (measured at 25 ° C in oxochlorphenol solvent) of 0.65 was obtained.
- 0.4 wt% of titanium oxide having an average primary particle size of 0.5 ⁇ m was added as an antiglare agent.
- the obtained polymer was melt-spun at a spinning temperature of 284 ° C and a spinning speed of 300 OmZmin to wind up a 134.0 dtex, 36 filament hollow undrawn yarn (POY). .
- the hollow ratio (HR) of the obtained undrawn yarn was 1.7.8%.
- the POY was heated to 100 ° C. using the continuous drawing false twisting apparatus shown in FIG. 3, and the temperature of the take-up roll 27 was set to room temperature, and the draw ratio was set to 1.
- a rotary roller guide as the twisting device 25
- a triaxial friction type disk type false twisting device as the false twisting device 26
- an air entangled nozzle was used between the storage roll 28 and the separation tray 28 a, and the pressure and air pressure was set to 0.294 MPa, and confounding was applied to the spindle type winding device.
- a 3.0 kg-wound pan 29 was wound up to obtain a false twisted yarn of 84.0 dtex and 36 filaments.
- the hollow rate (HR) of the single yarn having a hollow portion of the obtained false twisted yarn is 7.8%, the ratio to the total single yarn is 37.5%, and the degree of deformation (S DD) is 1. 28, Elongation (EL) is 45%, Stretch Restoration (CR) is 28%, Crimp onset / elongation (TR) is 5.6%, Maximum contraction stress (MCS) is 0 16 c N / dte ⁇ , the number of confounds (EN) was 12.
- the lightness, swelling, softness, and drapability were all of the 5th grade, and the fabric was rich in lightweight and very excellent.
- a false twisted yarn was produced under the same conditions as in Example 3 except that the draw ratio was 1.65 times.
- the hollow ratio (HR) of the obtained false twisted yarn having a hollow portion is 6.6%
- the ratio to the total single yarn is 34.5%
- the degree of deformation (SDD) of the single yarn is 1 61 1
- Elongation (EL) is 38%
- Stretch Restoration (CR) is 31%
- Crimp onset elongation (TR) is 6.5%
- Maximum contraction stress (MCS) is , 0.17 c NZd tex
- the number of confounds (EN) was 10.
- the fabric was evaluated as lightweight, soft, and drapable at grade 4 and swelling at grade 5, and a fabric with rich swelling and good lightness was obtained.
- the continuous stretch false twisting under the above conditions there was no occurrence of twisting back to the heating roll 22 and the false twistability was good at 99.2%, and fluff was observed in the obtained pan 29. No fluff was generated, and the number of fluff was 0.06, Z2, 00m.
- a false twisted yarn was produced under the same conditions as in Example 3 except that the temperature of the heating roll 22 was set at 110 ° C.
- the hollow ratio (HR) of the single yarn having a hollow portion of the obtained false twisted yarn is 6.2%, the ratio to the total single yarn is 31.8%, and the single yarn deformation (SDD) is 1. 78, elongation (EL) is 43%, stretch recovery (CR) is 33%, crimp onset elongation (TR) is 4.0%, and maximum contraction stress (MCS) is , 0.18 c ⁇ / ⁇ tex, and the number of confounds (EN) was 12.
- the fabric was evaluated for lightness, softness, and swelling as Grade 4 and Drapability Grade 5, and a fabric with excellent drapability and good lightness was obtained.
- Grade 4 and Drapability Grade 5 a fabric with excellent drapability and good lightness was obtained.
- the false twisting property was as good as 99.6%. No fluff was observed in 29, and the number of fluff was 0.02 Z2,000 m.
- Table 2 shows various characteristic values of the false twisted yarn in Examples 3-5.
- the false-twisted yarn obtained in Example 3 was subjected to additional twisting at 1,000 tZm, and the obtained yarn was used as weft yarn.
- the polyester was drawn with 33 dtex and 6 filaments having a circular cross section and no crimp. Using the yarn as the warp, a plain weave was made and dyed. The resulting fabric was subjected to a sensory evaluation of lightness and stretchability in five grades of 1 to 5 grades, and passed grade 3 or higher.
- the obtained woven fabric had a light weight of 4th grade and an elasticity of 5th grade, and was an excellent stretchable fabric.
- PET polyethylene terephthalate
- TiO titanium oxide having an average primary particle size of 0.5 ⁇ m
- the obtained polymer was melt-spun at a spinning temperature of 284 ° (: spinning speed of 300 OmZmin, 131.5 dtex, 24 filaments, round cross section, 12 filaments, 6-leaf cross section, 12 filaments.
- the drawn yarn (POY) was wound up.
- the P ⁇ Y was heated using the continuous drawing false twisting apparatus shown in Fig. 3 to set the temperature of the heating port 22 to 100 ⁇ , the temperature of the take-off roll 27 to room temperature, the draw ratio to 1.60 times, Using a rotating roller guide as the twisting device 26, a triaxial friction type disk type false twisting device 27 as the false twisting device 27, a stretching speed of 82 OmZ, and a disk rotation speed of 6,900 rpm.
- the air entangled nozzle is used between the take-off opening 27 and the stretch roll 28 to apply entanglement at a pressure and pneumatic pressure of 0.294 MPa.
- the pan 29 was wound up to give a false twisted yarn of 84.0 dtex and 24 filaments.
- Deformity (LZr) of the obtained false twisted yarn is 2.01, deformation (SDD) is 1.34, elongation (EL) is 39%, elasticity (CR) was 25%, the crimp expression elongation rate (TR) was 2. 2.%, the maximum shrinkage stress (MCS) was 0.14 c NZd tex, and the number of confounds (EN) was 23.
- a false twisted yarn was produced under the same conditions as in Example 7, except that the draw ratio was 1.66.
- the irregularity (LZr) of the obtained false twisted yarn is 2.
- the degree of deformation (SDD) is 1.67
- the elongation (EL) is 35%
- the elasticity recovery (CR) is 26%
- the crimp onset elongation (TR) is 2.
- MCS maximum shrinkage stress
- EN number of confounds
- the dryness and drape were grade 4 and the softness and swelling were grade 5.
- the fabric was soft and rich in swelling and exhibited good dryness and drape.
- Table 3 shows various characteristic values of the false twisted yarns in Examples 7 and 8.
- Example 7 The false twisted yarn obtained in Example 7 was subjected to an additional twist of 1,000 tZm, and the obtained yarn was used as a weft.
- the cross section of the 33 dtex, 6 filament was circular and had crimp.
- a plain weave was made and dyed.
- the dryness and elasticity of the obtained woven fabric were evaluated in five grades from 1 to 5. Performance evaluation, and passed the third grade or higher.
- the obtained woven fabric had a dry feeling of class 5 and stretchability of class 5, and was a fabric excellent in dry feeling and stretchability.
- a plain weave was produced in the same manner as in Example 9 except that the false twisted yarn obtained in Example 8 was used, and the cloth was evaluated.
- the obtained fabric had a dry feeling of grade 4 and an elasticity of grade 5, and was excellent in elasticity and exhibited a good dry feeling.
- PET polyethylene terephthalate
- PEG polyethylene terephthalate
- POY undrawn yarn
- the POY is drawn using the continuous drawing false twisting machine shown in Fig. 3, with the temperature of the heating nozzle 22 at 110 ° C, the temperature of the take-off roll 27 at room temperature, the draw ratio 1.69 times, and the draw.
- Spindle type with a speed of 82 OmZ, a rotating roller guide as the twisting device 25, a triaxial friction type disk type false twisting device as the false twisting device 26, and a disk rotation speed of 7000 rpm.
- the winding device wound up a 3.0 kg wound yarn 29 to obtain a false twisted yarn having 93.5 dtex and 36 filaments.
- a false twisted yarn was produced under the same conditions as in Example 11 except that the temperature of the take-off roll 27 was set at 120 ° C.
- a 93.5 dtex, 36-filament false-twisted yarn with an expansion / contraction restoration rate (CR) of 20%, a crimp onset elongation rate (TR) of 1.3%, and a torque twist number of 0.5 tZ50 cm is used. Obtained.
- Example 11 As in Example 11, no recurrence of twisting or thread breakage to the heating rolls 22 occurred, false twisting workability was 99.6%, no fluff was observed on the pan 29, and the number of fluffs was reduced. 0.06 2,000m was good.
- the fabric produced from the obtained false twisted yarn had good swelling, softness and drape.
- a false twisted yarn was manufactured under the same conditions as in Example 11 except that a nip roller was provided at the point 24 where the yarn was separated from the heating roll 22 and a fire prevention device was used, and 93.5 dtex, 36 A false twisted yarn of the filament was obtained.
- the single yarn was wound around the heating roll 22 by the retrospective twisting to the heating roll 22, and the heating roll 22 and the false twist were obtained. Yarn breakage occurred due to thread winding on the tool 25, and the false twisting property was poor at 82.6%. The number of fluffs generated was also poor at 19.0 pieces / 2,000m.
- No fire prevention device 25 is provided between the heating roll 22 and the false twisting device 26. Except for this, a false twisted yarn was produced under the same conditions as in Example 11, and the same amount of false twisted yarn as in Example 11 was obtained. At the time of insertion, breakage occurred, and a false twisted yarn could not be obtained. Comparative Example 1 1
- Example 11 The same polyethylene terephthalate unstretched yarn 20 as in Example 1 was prepared by using the conventional false twisting apparatus shown in FIG. At 80 times, at a processing speed of 60 OmZmin, and at a disk rotation speed of 7,000 rpm of the false twisting device 84, simultaneous false twisting was performed to obtain a false twisted yarn of 85.0 dtex and 36 filaments.
- the stretch recovery ratio (CR) of the obtained false twisted yarn was 48%, the crimp onset elongation (TR) was 34%, and the number of twists was 86 t / 50 cm. Had the nature. Therefore, in the evaluation of the fabric, the swelling feeling and the soft feeling were lacking, and the drapability was poor.
- Tables 4 and 5 show various characteristic values of the false twisted yarns in Examples 11 and 12 and Comparative Examples 9-11. Table 4
- PET polyethylene terephthalate
- PEG polyethylene terephthalate
- ethylene glycol terephthalic acid
- ethylene glycol ethylene glycol
- 0.4 wt% of titanium oxide having an average primary particle size of 0 was added as an antiglare agent.
- the obtained polymer was melt-spun at a spinning temperature of 284 ° C and a spinning speed of 300 OmZmin, to obtain 12.6 Odtex and 72 filaments.
- the undrawn yarn (POY) was wound up.
- the temperature of the heating roller 22 was set to 100 ° C
- the temperature of the take-off roll 27 was set to room temperature
- the stretching ratio was 1.53
- the stretching speed was The air entangling nozzle is used as the entanglement applying device 31
- the compressed air pressure is set to 0.1 96 MPa
- the rotating roller guide is used as the fire prevention device 25
- the false twisting device 26 is used as the false twisting device 26.
- the spindle type winding device winds a 3.0 kg wound pan 29, 83.9 dtex, 72 A false twisted yarn of the filament was obtained.
- the stretch recovery ratio (CR) of the obtained false twisted yarn was 26%
- the crimp onset elongation (TR) was 2.9%
- the number of twists was 3.1 tZ50 cm.
- the swelling feeling was 4th grade
- the soft feeling and the drapability were 5th grade, and a very excellent fabric was obtained.
- PET polyethylene terephthalate
- PET polyethylene terephthalate
- TiO titanium oxide having an average primary particle size of 0.5 xm
- the obtained polymer was melt-spun at a spinning temperature of 284 ° (: spinning speed of 300 OmZmin, 131.0 dtex, 24 filaments in a round section, 24 filaments in a 6-leaf section, and a total of 48 filaments, not yet filamentary.
- the drawn yarn (POY) was wound up.
- the POY was heated using the continuous drawing false twisting apparatus shown in Fig. 4 and the temperature of the heating roller 22 was set to 100 ° (: the temperature of the take-off roll 27 was room temperature, and the draw ratio was 1. 5.9 times, the stretching speed is 82 OmZ, the air entangling nozzle is used as the entanglement applying device 31, the air pressure is 0.196 MPa, the twisting device 25 is used as the twist stopping device 25, and the rotating roller guide is used.
- a spindle type winding device was used to 2 9 was wound to obtain a false twisted yarn of 83.6 dtex and 48 filaments.
- the false twisting property was also very good at 99.8%, and no fluff was observed in the obtained pan 29, and the number of fluff generated was 0, Z2, 000 m.
- the stretch recovery ratio (CR) of the obtained false twisted yarn is 29%
- the crimp onset elongation ratio (TR) is 2.2%
- the number of twists of the torque is 7.0 t / 50 cm.
- the swelling feeling and softness were 5th grade
- the drape property was 4th grade
- a fabric excellent in swelling feeling and softness was obtained.
- Table 6 Various characteristic values of the false twisted yarns in Examples 13 and 14 are shown in Tables 6 and 7.
- PET polyethylene terephthalate
- PET polyethylene terephthalate
- an intrinsic viscosity measured in an orthochlorophenol solvent at 25 ° C
- titanium oxide having an average primary particle size of 0 was added as an antiglare agent.
- the obtained polymer was melt-spun at a spinning temperature of 284 ° C. and a spinning speed of 3000 mZmin, and an undrawn yarn (POY) of 155.0 dtex and 36 filaments was wound.
- the temperature of the heating roll 22 was set to 110 ° using the continuous drawing false twist processing apparatus shown in FIG.
- a hot plate was used as the reheating device 41, the reheating temperature was 200 ° C, the temperature of the take-up roll 27 was room temperature, the stretching ratio was 1.69 times, the stretching speed was 82 OmZ, and the twisting device 25 was used.
- a triaxial friction type disk type false twisting device was used as the false twisting device 26, and the disk rotation speed was 7, OOO r pm. Rewind the pan 29 of 93.5 dte A false twisted yarn of x, 36 filaments was obtained.
- the stretch recovery ratio (CR) of the obtained false twisted yarn is 38%
- the crimp onset elongation (TR) is 12.0%
- the number of twists is 7.0 tZ50 cm.
- a cloth excellent in swelling feeling was obtained.
- a false twisted yarn was produced under the same conditions as in Example 15 except that the temperature of the reheating device 41 was set to 50 ° C. No back-twisting of the heating roll 22 occurred, and the false twisting property was very good at 99.6%. No fluff was observed in the obtained pan 29, and the number of fluff generated was 0 // 2. 000m.
- the stretch recovery ratio (CR) of the obtained false twisted yarn is 30%, the crimp onset elongation (TR) is 2.7%, and the number of twists is 2.5 t 50 cm.
- TR crimp onset elongation
- a false twisted yarn was produced under the same conditions as in Example 16 except that the temperature of the take-off roll 27 was set at 120 ° C, and the stretch recovery ratio (CR) was 20%, and the crimping elongation rate ( TR) was 1.3%, and the number of twists was 0.5 tZ50 cm.
- the fabric produced from the obtained false twisted yarn has a swelling feeling and softness. Feeling and drape were good.
- a tape 72 composed of a glued portion 70 and a glueless portion 71 shown in FIG. 9 was used.
- the length 1 of the tape 72 is 23 mm and the width w is 9 mm.
- the bobbin 52 was pulled up by the doffing device.
- the yarn end at the beginning of winding was gripped between the glue-free part on the right side and the surface of the pobin 52, and the yarn end at the end of winding was gripped between the glue-free part on the left side and the surface of the bobbin 52.
- Fig. 8B even when two tapes are used, the yarn end at the beginning of winding is gripped between the right glueless portion of the tape stuck on the right side and the surface of the bobbin 52, The yarn end at the end of the winding was gripped between the left end of the tape affixed to the left side and the surface of the pobin 52 without glue.
- the false twisted yarn according to the present invention and the method and apparatus for producing the same improve the problem of non-uniform quality based on the non-uniform twist of the conventional false twisted yarn and improve the drape property.
- the false twisted yarn creates a woven or knitted fabric having a new texture not found in a woven or knitted fabric using a conventional drawn yarn / false twisted yarn.
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- Structural Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US09/980,997 US6715276B2 (en) | 2000-03-24 | 2001-03-22 | False twist yarns and production method and production device therefor |
EP01917484A EP1193336A4 (en) | 2000-03-24 | 2001-03-22 | FALSE TORSION WIRES, AND CORRESPONDING PRODUCTION METHOD AND DEVICE |
KR1020017014974A KR20020010668A (ko) | 2000-03-24 | 2001-03-22 | 가연사, 그 제조방법 및 제조장치 |
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JP2000-083743 | 2000-03-24 | ||
JP2000-083744 | 2000-03-24 | ||
JP2000083744A JP4374704B2 (ja) | 2000-03-24 | 2000-03-24 | 仮撚加工糸の製造方法および仮撚加工糸の製造装置 |
JP2000083743A JP4534292B2 (ja) | 2000-03-24 | 2000-03-24 | 特殊捲縮糸の製造方法 |
Publications (1)
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WO2001071072A1 true WO2001071072A1 (fr) | 2001-09-27 |
Family
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PCT/JP2001/002252 WO2001071072A1 (fr) | 2000-03-24 | 2001-03-22 | Fils fausse torsion, et procede et dispositif de production correspondants |
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US (1) | US6715276B2 (ja) |
EP (1) | EP1193336A4 (ja) |
KR (1) | KR20020010668A (ja) |
CN (1) | CN1174133C (ja) |
TW (1) | TW480298B (ja) |
WO (1) | WO2001071072A1 (ja) |
Cited By (3)
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CN115434053A (zh) * | 2022-08-24 | 2022-12-06 | 山东岱银纺织集团股份有限公司 | 一种提高纱线蓬松度的装置及其使用方法 |
EP4265830A1 (en) * | 2022-04-19 | 2023-10-25 | AYM Syntex Ltd | High bulk yarn and method of manufacturing thereof |
WO2023203482A1 (en) * | 2022-04-19 | 2023-10-26 | Aym Syntex Ltd | High bulk yarn and method of manufacturing thereof |
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TWI242612B (en) * | 2001-10-29 | 2005-11-01 | Ind Tech Res Inst | Method of fabricating a non-hollow fiber having a regular polygonal cross-section |
PT2042627E (pt) * | 2006-07-12 | 2013-01-14 | Toray Industries | Fio de torção falsa e processo para produzir o mesmo |
CN102220667B (zh) * | 2010-04-14 | 2015-03-18 | 东丽纤维研究所(中国)有限公司 | 一种中空假捻加工丝及其生产方法 |
DE102014107137A1 (de) * | 2014-05-21 | 2015-11-26 | Maschinenfabrik Rieter Ag | Spinnmaschine |
CN104099698A (zh) * | 2014-07-24 | 2014-10-15 | 太仓天龙化纤有限公司 | 一种弹力丝制造方法 |
CN107130329B (zh) * | 2017-04-28 | 2019-03-29 | 东华大学 | 基于热熔丝粘接制备稳定结构拉胀复合纱的装置及方法 |
CN109576857B (zh) * | 2019-01-16 | 2024-03-29 | 河南光远新材料股份有限公司 | 一种玻璃纤维布的电动夹纱装置 |
CN114703579A (zh) * | 2021-12-28 | 2022-07-05 | 江苏巽鼎新材料科技有限公司 | 一种预取向丝的热拉伸加工方法 |
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EP4265830A1 (en) * | 2022-04-19 | 2023-10-25 | AYM Syntex Ltd | High bulk yarn and method of manufacturing thereof |
WO2023203482A1 (en) * | 2022-04-19 | 2023-10-26 | Aym Syntex Ltd | High bulk yarn and method of manufacturing thereof |
CN115434053A (zh) * | 2022-08-24 | 2022-12-06 | 山东岱银纺织集团股份有限公司 | 一种提高纱线蓬松度的装置及其使用方法 |
CN115434053B (zh) * | 2022-08-24 | 2024-04-19 | 山东岱银纺织集团股份有限公司 | 一种提高纱线蓬松度的装置及其使用方法 |
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CN1380918A (zh) | 2002-11-20 |
US20030041586A1 (en) | 2003-03-06 |
KR20020010668A (ko) | 2002-02-04 |
US6715276B2 (en) | 2004-04-06 |
CN1174133C (zh) | 2004-11-03 |
EP1193336A1 (en) | 2002-04-03 |
EP1193336A4 (en) | 2008-06-04 |
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