EP1279753A1 - Procede de production de fibres synthetiques et dispositif de va-et-vient de fils - Google Patents

Procede de production de fibres synthetiques et dispositif de va-et-vient de fils Download PDF

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Publication number
EP1279753A1
EP1279753A1 EP02700606A EP02700606A EP1279753A1 EP 1279753 A1 EP1279753 A1 EP 1279753A1 EP 02700606 A EP02700606 A EP 02700606A EP 02700606 A EP02700606 A EP 02700606A EP 1279753 A1 EP1279753 A1 EP 1279753A1
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EP
European Patent Office
Prior art keywords
thread
synthetic fiber
drawing operation
godet roller
godet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02700606A
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German (de)
English (en)
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EP1279753A4 (fr
Inventor
Kazuyuki G-302 Fuji-ryo 145 MINAGAWA
Norio E303 Toray-shataku 145 HASHIMOTO
Toru 220 Tsutsubari-ryo 145 SUGAHARA
Hidenobu G-101 Fuji-ryo 145 TODA
Masuki Sano
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Toray Industries Inc
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Toray Industries Inc
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Filing date
Publication date
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of EP1279753A1 publication Critical patent/EP1279753A1/fr
Publication of EP1279753A4 publication Critical patent/EP1279753A4/fr
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment

Definitions

  • the present invention relates to a method of manufacturing high-strength synthetic fiber for maintaining drawing/heat treatment of synthetic fiber stable for a long term by resolving problems such as thread breakage or generation of fuzz to avoid accumulation of extraneous matters on the surface of high-temperature godet rollers, for increasing the rate of operation by reducing the number of times the machine have to be stopped for removing extraneous matters from the godet rollers , and for improving productive efficiency by reducing abrasion of the surface of the godet roller, and a thread traversing device to be used directly in the same method.
  • the abnormal states of drawing here include winding of traveling thread on the godet roller, generation of fuzz due to breakage of a filament of the thread, and breakage of the thread itself due to increase in surface frictional force caused by the external matters attached and accumulated on the surface of the godet roller.
  • the conceivable accumulated deposits on the godet roller include anchored matter generated mainly from spinning oil applied on the thread being transformed by heat on the drawing/heat treatment. roller, oligomers separated out of the thread and those heat-transformed matters, and silica contained in water.
  • drawing operation aiding units such as an air guide for preventing a single filament breakage on the roller, a heat treatment cylinder for fixation of a drawing point, and a heat plate and a heat treatment cylinder for aiding drawing operation are provided among a plurality of drawing rollers in many cases , and thus misalignment between these drawing operation aiding units and the traveling thread when the traveling thread is reciprocated, which may result in breakage of the traveling thread due to abrasion with these drawing operation aiding units.
  • the invention provides a method of manufacturing synthetic fiber comprising the steps of performing multistage drawing/heat treatment on the thread of synthetic fiber formed by melt spinning using a plurality of godet rollers, and subsequently winding the obtained thread, wherein at least two sets of godet rollers of the plurality of godet rollers have surface roughness Ra in the range of 0.5 - 5 ⁇ m, wherein at least one set of godet rollers out of these godet rollers have surface temperatures not less than (the melting point of the synthetic fiber - 70°C), and wherein the thread is reciprocated in the direction of the axis of rotation of the godet roller.
  • the synthetic fiber provided for the manufacturing method according to the invention includes threads formed of polyamide, polyester, polyolefin, and alamid, but it is not limited thereto as far as it is such material that the formed thread can be drawn/heat treated by the use of godet rollers.
  • the surface roughness Ra of at least two sets of godet rollers out of the godet rollers used in the invention have to be between 0.5 and 5 ⁇ m, more preferably, between 1 and 3 ⁇ m.
  • a set of godet rollers here means a set of rollers having the same speed of revolution for winding the thread by more than one turn for example as the first godet roller (18a and 18b) shown in Fig. 1.
  • the surface roughness Ra is calculated, according to JISB0601, by providing a Surfcorder SE 1700 manufactured by Kosaka Lab. and measuring the section curve using a sensing pin with radius 2 ⁇ m at a feeding speed of 0.5 mm/s and a cut-off of 0.8 mm or 2.5 mm to obtain the curve of the surface roughness of the godet roller.
  • the melting point of the thread here is obtained from a trace of variations of heat quantity obtained by melting 2 mg of sample by the use of DSC-7 type manufactured by Perkin Elmer Inc., quenching and solidifying it by liquid nitrogen, and scanning the sample at the speed of 20°C/min., which is regarded as a temperature at a maximum endothermic peak.
  • the temperature below this value (the melting point of synthetic fiber thread - 70°C) is not preferable for the manufacture of industrial fiber, which is the object of the invention, from such reasons that stable drawing cannot be performed, and heat dimension stability of the drawn yarn is lowered due to insufficient heat treatment.
  • a heat-transformed matter caused by spinning oil attached on the thread is accumulated on the surface of the godet roller, which leads to increase in a single filament breakage or thread breakage, but according to the invention, accumulation of such transformed spinning oil may be prevented by reciprocating the thread in the direction of the axis of rotation of the godet roller.
  • transformation and accumulation of residue of spinning oil may be prevented by organic unity of the constructions described above, and thus the manufacture of high-strength industrial fiber may be performed stably.
  • the surface roughness Ra of the roller for performing the heat treatment is smaller than 0.5 ⁇ m, the contact area between the traveling thread and the roller increases. Therefore, even when the thread is moved in the direction of the axis of rotation of the godet roller, the transformed matter sticks to the surface of the roller, and thus the transformed matter may be accumulated on both ends of the amplitude of the movement, which hinders the effect of the invention.
  • the thread converging guide serves to fix up the traveling thread during spinning and drawing of synthetic fiber, and is, more preferably, a guide for fixing up the spinning thread.
  • a method using means for converting rotary motion into reciprocating motion such as a method of converting rotary motion of the motor to reciprocating motion via a cam, a method of conversing rotary motion of the motor to reciprocating motion via a ball screw, a method of repeating linear motion of the cylinder to obtain reciprocating motion, and a method of converting to reciprocating motion via a gear provided on the stepping motor may be employed.
  • the drawing tensile stress during the last drawing step to at least 1.4 cN/dtex, further distinctive effect may be obtained.
  • the drawing tensile strength is not less than this value, high-strength fiber not less than 6.0 cN/dtex can be obtained and thus the effect of the transformed spinning oil is distinctive.
  • the thread used in the invention is preferably multi-thread including at least two lines of thread.
  • the thread used in the invention includes at least two lines of thread, a single filament breakage in each line of thread can be reduced, and thus a large interactive effect can be obtained.
  • the width of reciprocating motion Y (mm) of the thread preferably satisfies the following expression (1).
  • XF ⁇ Y ⁇ 2 (XP - XF) where; XF is the width of the thread (mm), and XP is the thread pitch (mm) between the adjacent threads.
  • the cycle of the reciprocating motion of the thread converging guide is not less than 5 seconds, and more preferably, not less than 30 seconds from the viewpoint of reduction of damage of the traveling thread on the godet roller and of reduction of failure rate of the traversing device.
  • the drawing operation aiding unit is a generic name of devices for aiding to perform drawing operation smoothly, such as a thread entangling device for preventing a single filament breakage on the roller, a heat treatment cylinder for fixation of a drawing point, a heat plate and a heat treatment cylinder for aiding drawing operation.
  • synchronization in the invention means that the thread converging guide and the drawing operation aiding unit have a constant relationship during reciprocating motion, and preferably, both of the thread converging guide and the drawing operation aiding unit have a constant phase difference during reciprocating motion.
  • the direction of the axis of rotation of the godet roller in the invention means that one component of the movement vector is parallel with the direction of the axis of rotation of the godet roller.
  • the method for reciprocating the thread converging guide and the drawing operation aiding unit includes the aforementioned method of converting rotary motion of the motor to reciprocating motion via a cam, a method of converting rotary motion of the motor to reciprocating motion via a ball screw, a method of repeating linear motion of the cylinder to obtain reciprocating motion, and a method of converting to reciprocating motion via a gear provided on the stepping motor.
  • a method of synchronizing the thread converging guide and the drawing operation aiding unit when using at least two motors or cylinders a method of detecting the position of the revolving shaft of the motor or the cylinder and the position of the thread by the use of a sensor to synchronize them, and a method of taking outputs of a motor and of the cylinder out through a shaft and transmitting it to the thread converging guide and the drawing operation aiding unit via a cam or a gear to synchronize them are preferable.
  • the thread used in the invention is preferably multi-thread including at least two lines of thread.
  • the thread includes two or more lines of thread, a single filament breakage in each line of thread can be reduced, and thus a large interactive effect can be obtained.
  • the thread converging guide is mounted on each line of thread, that is, the same number as the number of the lines of thread of the thread converging guide is provided, so that all the lines of thread reciprocate simultaneously.
  • the drawing operation aiding unit is a thread entangling device
  • the cycle of the reciprocating motion of the thread converging guide is not less than 5 seconds, and more preferably, not less than 30 seconds from the viewpoint of reduction of damage of the traveling thread on the godet roller and of reduction of failure rate of the traversing device.
  • Fig. 1 is a schematic front elevation of the spinning/drawing device provided with the thread traversing device according to the invention
  • Fig. 2 is a side view of the same
  • Fig. 3 is a schematic perspective view of the second embodiment of the thread traversing device of the invention
  • Fig. 4 is a schematic perspective view showing the third embodiment
  • Fig. 5 is a block diagram of controlling means for a phase detecting means according to the embodiment shown in Fig. 4.
  • the thread traversing device of the invention is to be used directly in a method of manufacturing synthetic fiber described above for reciprocating (traversing) the converging guide for allowing the thread to pass through before and/or after the thread is wound around the godet roller located immediately after the spinning duct, and traversing one or plurality of the drawing operation aiding unit synchronously therewith.
  • the thread traversing device of the invention is a unit for preventing accumulation of extraneous matters on the surface of the godet roller during spinning/drawing of the thread of synthetic fiber, comprising means for synchronously reciprocating a thread converging guide in the direction of the axis of rotation for allowing the thread to pass through before and/or after the thread is wound around the godet roller located immediately after the spinning duct, and a drawing operation aiding unit disposed between a plurality of godet rollers.
  • each of a plurality of threads of synthetic fiber (23) is spun out from a spinning duct (1), fed with spinning oil by the oiling rollers (2), passed through the converging guides (6) mounted on the mounting board (3), pre-stretched between the first godet roller (18) and the second godet roller (19), drawn between the second godet roller (19) and the third godet roller (20) in the first stage, then drawn between the third godet roller (20) and the fourth godet roller (21) in the second stage, relaxed between the fourth godet roller (21) and the fifth godet roller (22), and wound on the winder (W/D).
  • a drawing operation aiding unit (5) such as a thread confounding device.
  • the positions of the converging guide and the drawing operation aiding unit of the invention are not limited thereto .
  • means for moving the converging guide (6) and the drawing operation aiding unit (5) in parallel synchronously that is, means comprising a driving motor (4), a shaft (8) mounted on the driving motor (4) in the direction of the axis of rotation of the godet roller, and two cams (7) mounted on the shaft (8) and connected respectively to the converging guide (6) and the drawing operation aiding unit (5), and such means can move the converging guide (6) and the drawing operation aiding unit (5) accurately synchronously, so that the thread (23) reciprocates in the direction of the axis of rotation of the godet roller with respect to the traveling thread.
  • Fig. 3 shows the second embodiment of the thread traversing device according to the invention.
  • the shaft (8) is mounted on the driving motor (4).
  • the driving motor (4) and the shaft may be in direct contact with each other, it is preferable to provide a speed reducer (9) therebetween as shown in the figure since a desired rotational speed can be obtained, and in this arrangement, the traveling thread can be moved at sufficiently slow speed so as not to be damaged.
  • the shaft (8) mounted in the direction of the axis of rotation of the godet roller is provided with two cams (7a, 7b), and the drawing operation aiding unit (5) mounted on the drawing operation aiding unit mounting board (10) and the converging guide (6) mounted on the converging guide mounting board (3) are in contact with the respective cams (7a, 7b) via the sliding rollers (13a, 13b) provided respectively on the mounting board (10, 3).
  • the drawing operation aiding unit mounting board (10) is mounted on the stationary slide rail (11) so as to slide along the length of the shaft (8).
  • the converging guide mounting board (3) is mounted on the slide bearing (12), which is also stationary, by the use of a sliding shaft (14), so as to slide along the length of the shaft (8).
  • the converging guide mounting board (3) and the drawing operation aiding unit mounting board (10) are slid along the length of the shaft (8) respectively by the slide bearing (12) and the sliding shaft (14) and by the slide rail (11) in association with the movement of the sliding rollers (13a, 13b) provided on the converging guide mounting board (3) and the drawing operation aiding unit mounting board (10) along the grooves on the two cams (7a, 7b) which is rotated by the driving motor (4), and the converging guide (6) and the drawing operation aiding unit (5) are reciprocated synchronously in the direction of the axis of rotation of the godet roller.
  • Fig. 4 shows the third embodiment of the thread traversing device of the invention.
  • the converging guide (6) and the drawing operation aiding unit (5) are provided respectively on the separate shafts (8a, 8b) mounted respectively on the separate motors (4a) and (4b) via the separate cams (7a, 7b) respectively so as to make a reciprocating motion, and phase detecting means for detecting that the respective cams (7a, 7b) are rotated to the prescribed positions are mounted respectively, so that the control panel (17) shown in Fig.
  • the converging guide (6) and the drawing operation aiding unit (5) are reciprocated in the same manner as means in the first embodiment other than the point that they are driven by the separate driving motors (4a, 4b).
  • the phase detecting means in the third embodiment may be constructed as follows.
  • the cams (7a, 7b) are provided with detected portions (16a, 16b) of the proximity sensors respectively, and the proximity sensors (15a, 15b) are mounted respectively on the portions that are not rotated by the driving motors (4a, 4b) such as speed reducers (9a, 9b).
  • the positions to which these proximity sensors (15a, 15b) are mounted are discretionary as far as they are not rotated by the driving motors (4a, 4b). For example, they may be mounted on the bearing portions as well as the speed reducers (9a. 9b), or may be mounted on the body of the drawing machine.
  • the control panel (17) is, as shown in Fig. 5, connected to the proximity sensor (15a) and the proximity sensor (15b), and to the driving motor (4a) and the driving motor (4b),and constructed in such a manner that when a detected signal is supplied by one of the proximity sensors (15a) for example, the rotation of the driving motor (4a) provided with the one of the proximity sensors (15a) is stopped, and when a detected signal is supplied by the other proximity sensor (15b), the stopped driving motor (4a) is rotated.
  • the proximity sensor to be employed in the invention is preferably a photosensitive proximity sensor. However, as far as it achieves the desired object, it may be of capacitance type or magnetic type.
  • the converging guide (6) and the drawing operation aiding unit (5) reciprocate in accurately synchronously.
  • the rotation is stopped sequentially from the driving motor on which the proximity sensor which supplied a detecting signal first is mounted, and when the last detecting sigwal was supplied within one to-and-fro motion, all the driving motor which had stopped must simply be driven by the control panel.
  • the third embodiment is effective when both of the converging guide and the drawing operation aiding unit cannot be driven easily by one shaft.
  • the cycle of the reciprocating motion of the thread traversing device according to the invention is at least 5 seconds, and more preferably, at least 30 seconds from the viewpoint of reduction of damage of the traveling thread and of reduction of failure rate of the traversing device.
  • a ball screw or a gear may be employed instead of the cam ( 7 ) , and it is not limited thereto as far as it can achieve the desired object.
  • the use of cam is preferable from the viewpoints of the cost and ease of access.
  • the traversing width of the converging guide and the drawing operation aiding unit may be varied as desired by varying the shape of the cam, and the converging guide and the drawing operation aiding unit may be synchronously reciprocated with a constant phase difference by mounting the respective cams being in contact with both of them with the grooves thereof shifted with respect to the shaft.
  • determining the shape of the cam such that the width Y (mm) of the reciprocating motion of the thread satisfies the expression (1) described above may lead not only to effective prevention of the accumulated deposits, but also to increased effect to prevent abrasion of the surface of the godet roller.
  • the number of lines of thread is not limited, but preferably, the mufti-thread is used.
  • the mufti-thread is used.
  • the invention will bear more preferably effect when the tread entangling unit is used as a drawing operation aiding unit.
  • the reason is that the thread entangling unit requires that the thread is positioned at the intersection of air blow, and thus it is sensitive to the displacement of the traveling thread.
  • a fluid cylinder or the like may be used instead of means using the driving motor, the shaft and the cam.
  • the method described above is more preferable.
  • the godet roller may be maintained in the initial state for a long time by preventing accumulation of extraneous matters on the godet roller, the rate of operation and productive efficiency may be increased by reducing the number of times the machine has to be stopped for removing extraneous matters, and problems such as a single filament breakage or generation of fuzz may be solved and high-strength synthetic fiber of good quality and appearance may be manufactured.
  • the surface roughness of the godet roller was calculated, in accordance with JISB0601, by obtaining the roughness curve on the surface of the godet roller from the section curve measured by the use of Surfcorder SE1700 manufactured by Kosaka Lab. with a sensing pin of 2 ⁇ m radius, a feed rate of 0.5 mm, and a cut-off of 0.8mm or 2.5 mm.
  • the melting point was obtained from a trace of variations in heat quantity obtained by melting 2 mg of sample by the use of DSC-7 type manufactured by Perkin Elmer Inc., quenching and solidifying it by liquid nitrogen, and scanning the sample at the speed of 20°C/min. Temperature at the maximum endothermic peak was regarded as the melting point.
  • the melting point of the drawn yarn obtained by the invention was 250°C.
  • the temperature on the surface of the godet roller was measured by the use of a contact thermometer.
  • the tensile stress of drawing was obtained by measuring a tensile stress of the traveling thread between the third godet roller and the fourth godet roller by the use of HS-3000, which is a tension meter manufactured by EIKO SOKKI, and then divided by the total olenier of the drawn thread.
  • the number of breakage was counted by a single filament breakage detector, and expressed by the number of breakage per 10,000,000 m.
  • Stain on the roller along the thread passage was visually observed every 24 hours, and classified into "lightly stained” markedwithA, "normally stained” markedwith B, "heavily stained and causing significant shaking of the tread" marked with C.
  • the strength of yarn was measured based on JIS L-1017 (1995).
  • the S-S curve was obtained using Tensilon tensile tester manufactured by Orientec Co., with the sample having the length of 25 cm at the tensile speed of 30 cm/min., and read the value from the obtained S-S curve.
  • Polyethylene terephthalate chip having intrinsic viscosity (IV) of 1.19 was fed to a extruder type melt spinning machine for spinning two lines of thread simultaneously. It was filtered through a metallic filter having a pore of 15 ⁇ m and spun through a spinneret having 72 holes at a spinning temperature of 300°C.
  • spun thread was passed under the atmosphere at high temperature of 300°C for 350 mm from the surface of the spinneret , and then quenched and solidified by blowing cold air at about 20°C thereon. Subsequently, it is applied with spinning oil by an oiling roller, and routed to the first godet roller.
  • the obtained undrawn thread was, without being wound completely, pre-stretched by 1.06 times in length between the first godet roller and the second godet roller, then drawn by 3.70 times in length between the second godet roller and the third godet roller, drawn by 1.40 times in length between the third godet roller and the fourth godet roller, relaxed by 1.0% between the fourth godet roller and the fifth godet roller, and finally wound on the winder two lines of thread simultaneously at the speed of 3300 m/min., to obtain drawn yarn.
  • the temperatures of the respective godet rollers were 70°C for the first godet roller, 100°C for the second godet roller, 120°C for the third godet roller, 240°C for the fourth godet roller, no heating for the fifth godet roller.
  • the numbers of turns of the thread for the respective godet rollers were, three turns for the first godet roller, three turns for the second godet roller, four turns for the third godet roller, 7 turns for the fourth godet roller, and five turns for the fifth godet roller.
  • a single filament breakage detector is mounted for the thread being wound on the fifth godet roller to count the number of breakage, and the number of breakage of the thread was evaluated as well.
  • the converging guide (6) provided forwardly of the first godet roller (18) in Fig. 1 was reciprocated, and the thread (23) was traversed on the godet roller in the direction of the axis of rotation of the godet roller.
  • the converging guide employed was configured as shown in Fig. 3.
  • the thread width XF was 5.0 mm
  • the thread pitch XP with respect to the adjacent thread was 15.0 mm
  • the value of 2(XP-XF) was 20 mm.
  • the one mounted on the shaft for rotating a cam connected to the converging guide by the driving motor via the shaft, and reciprocates the converging guide in the direction of the axis of rotation of the godet roller along the groove on the cam was employed.
  • Embodiment 1 as a result of traversing the thread on the godet roller, the effects such that the condition of the surface of the godet roller can be maintained in the lightly stained state until the fourth day, and the number of occurrence of a single filament breakage or of thread was distinctively small were discernible.
  • the thread traversing device used in Embodiment 1 was replaced with the one having a structure shown in Fig. 3.
  • the position of the converging guide, the shape of the cam, the number of revolution of the shaft were the same as in Embodiment 1.
  • the drawing operation aiding unit was disposed between the second godet roller and the third godet roller, and reciprocated synchronously with the converging guide.
  • the thread traversing unit used in Embodiment 2 was replaced with the one having a structure shown in Fig. 4.
  • the position of the drawing operation aiding unit (5) was between the second godet roller and the third godet roller in Fig. 1.
  • the shape of the cam and the number of revolution of the shaft were the same as in Embodiment 1.
  • Embodiment 2 The conditions in Embodiment 2 were changed as shown in Table 1. The obtained results are shown in Table 1.
  • the godet roller can be maintained in the initial state for a long time and thus the number of times the machine has to be stopped for removing extraneous matter can be reduced to increase the rate of operation and productive efficiency.
  • problems such as thread breakage or generation of fuzz are solved and thus high-strength synthetic fiber of excellent quality and appearance can be manufactured.
  • accumulation of extraneous matter on the godet roller can be prevented, thereby being preferably applicable to a manufacturing process of industrial high-strength synthetic fiber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP02700606A 2001-02-26 2002-02-20 Procede de production de fibres synthetiques et dispositif de va-et-vient de fils Withdrawn EP1279753A4 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001049761 2001-02-26
JP2001049761 2001-02-26
JP2001313746 2001-10-11
JP2001313746 2001-10-11
PCT/JP2002/001440 WO2002068735A1 (fr) 2001-02-26 2002-02-20 Procede de production de fibres synthetiques et dispositif de va-et-vient de fils

Publications (2)

Publication Number Publication Date
EP1279753A1 true EP1279753A1 (fr) 2003-01-29
EP1279753A4 EP1279753A4 (fr) 2006-08-02

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EP (1) EP1279753A4 (fr)
KR (1) KR20020091242A (fr)
CN (1) CN100445435C (fr)
TW (1) TW593803B (fr)
WO (1) WO2002068735A1 (fr)

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WO2015176982A1 (fr) * 2014-05-21 2015-11-26 Oerlikon Textile Gmbh & Co. Kg Dispositif d'extraction et d'étirage d'une nappe de fil synthétique

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DE102011109784A1 (de) * 2011-08-08 2013-02-14 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Schmelzspinnen, Abziehen, Verstrecken, Relaxieren und Aufwickeln eines synthetischen Fadens
CN103906867B (zh) * 2011-12-07 2017-12-01 旭化成株式会社 聚酰胺纤维和气囊用织物
CN103060936A (zh) * 2013-01-29 2013-04-24 朱建平 一步法高速poy+fdy复合丝纺丝设备
CN104264247B (zh) * 2014-09-28 2016-03-02 浙江古纤道新材料股份有限公司 低干热型七对辊纺丝装置
CN104264246B (zh) * 2014-09-28 2016-03-02 浙江古纤道新材料股份有限公司 七对辊纺丝装置及采用该装置生产涤纶工业丝的工艺
CN110172745B (zh) * 2019-05-10 2021-02-26 武汉纺织大学 一种卷绕尾丝的检测装置
CN110172744B (zh) * 2019-05-10 2020-07-31 武汉纺织大学 一种头尾丝自动隔离工艺
CN114538192B (zh) * 2022-02-23 2022-11-11 宁波德裕复合材料科技有限公司 一种回料纤维的集束装置及其加工方法

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TW593803B (en) 2004-06-21
KR20020091242A (ko) 2002-12-05
CN100445435C (zh) 2008-12-24
CN1462323A (zh) 2003-12-17
EP1279753A4 (fr) 2006-08-02

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