EP1221499A1 - Procédé de filage par étirage pour la fabrication de fils par le filage au fondu - Google Patents

Procédé de filage par étirage pour la fabrication de fils par le filage au fondu Download PDF

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Publication number
EP1221499A1
EP1221499A1 EP01100404A EP01100404A EP1221499A1 EP 1221499 A1 EP1221499 A1 EP 1221499A1 EP 01100404 A EP01100404 A EP 01100404A EP 01100404 A EP01100404 A EP 01100404A EP 1221499 A1 EP1221499 A1 EP 1221499A1
Authority
EP
European Patent Office
Prior art keywords
continuous yarns
cooling zone
yarns
continuous
essentially
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Withdrawn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
EP01100404A
Other languages
German (de)
English (en)
Inventor
Bastiaan Krins
Gerrit Ruitenberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Acordis Industrial Fibers BV
Original Assignee
Acordis Industrial Fibers BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Acordis Industrial Fibers BV filed Critical Acordis Industrial Fibers BV
Priority to EP01100404A priority Critical patent/EP1221499A1/fr
Priority to KR1020037008969A priority patent/KR100828452B1/ko
Priority to PCT/EP2001/015301 priority patent/WO2002053814A1/fr
Priority to US10/250,505 priority patent/US7070723B2/en
Priority to MXPA03005817A priority patent/MXPA03005817A/es
Priority to EP01272667A priority patent/EP1352114A1/fr
Priority to BR0116665-4A priority patent/BR0116665A/pt
Publication of EP1221499A1 publication Critical patent/EP1221499A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
    • 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

Definitions

  • the present invention relates to a method for simultaneous spinning of continuous yarns consisting of one or more filaments containing the Steps in which a melt of a thermoplastic material Spinning device is fed, the melt through a spinneret by means of extrusion openings is extruded to form the continuous yarns, the continuous yarns for Cooling be performed through a first and a second cooling zone, the Continuous yarns essentially passing through a first cooling zone Air flow and in the second cooling zone are essentially cooled by a fluid, all or part of a component that is liquid at room temperature exists, the continuous yarns are then dried, then the continuous yarns are stretched and then wound up by means of winding devices become.
  • a Process for spinning a continuous yarn from a thermoplastic material discloses in which the thermoplastic material through a spinneret to one Filament bundle is pressed with a variety of filaments, in which the filament bundle is cooled before being combined into the thread and in which the cooling takes place essentially in two cooling zones.
  • the filaments are passed through a cooling zone directly below the spinneret Air flow across the thread direction and in a second cooling zone through an air flow cooled from moist air, the cooling flow in the second cooling zone independent is generated by the air flow in the first cooling zone and the cooling flow within the second cooling zone for cooling the filament bundle against the thread running direction flows.
  • the first cooling zone has a length of 0.1 to 1 m.
  • the treatment can supplemented or replaced by stretching, heating, relaxing or swirling become.
  • the spinning process it is also possible according to the disclosure of this document, the spinning process to operate without godets, the thread using a winding device is withdrawn directly from the spinneret. In this way, in the Methods described in EP 0 937 791 winding speeds of up to 5000 m / min reached.
  • the present invention is based on the object described above At least to reduce disadvantages of the prior art.
  • the object according to the invention is achieved is by the method described above for simultaneous spinning stretching of continuous yarns is carried out so that the continuous yarns at a speed up to 500 m / min through the first and the second cooling zone and the dwell time of the continuous yarns within the first cooling zone at least Is 0.1 sec.
  • the residence time is preferably within the first Cooling zone at most 0.3 sec.
  • the speed of passing the continuous yarns through the first and the second cooling zone is preferably at least 100 m / min.
  • yarn speeds of about 150 to about 400 m / min, for example 300 m / min, completely sufficient to produce even yarns with high strength and / or To achieve module values.
  • the speed is usually after leaving the second cooling zone, which is preferred, or even behind the first cooling zone measured.
  • continuous yarn refers to below also referred to only as yarn, on such linear structures consisting of one or more filaments.
  • the method can therefore be used with multifilament yarns as well as with monofilament yarns, i.e. those continuous yarns that only consist of consist of a single filament.
  • the number of a multifilament yarn forming individual threads or filaments is in principle no restrictions subjected. As a rule, there will be between 10 and 500 filaments, often between 50 and 300 filaments, located in one multifilament. Usually the multifilaments merged into so-called filament bundles in the course of the process and wound up in this form.
  • the titer of the continuous filaments Filaments i.e. the single titer, can also vary within wide limits become. As a rule, however, individual titers are in the range from about 1 to about 30 dtex, preferably between 5 and 20 dtex.
  • thermoplastic material used in the process consists essentially of polyester or polyamide.
  • polyester and polyamide are to be interpreted broadly and also include copolyesters or Copolyamides or mixtures thereof.
  • Polyethylene terephthalate is very particularly preferred, Polyamide 6, polyamide 6.6 and polyamide 4.6.
  • the low speed compared to the current state of the art Passing the yarn through the cooling zones enables the relatively long dwell time within the first cooling zone in the process according to the invention and leads, in particular when using the last-mentioned polymers as thermoplastic Material, for continuous yarns, which are characterized by high strength, high modulus and good Mark yarn uniformity. These properties make the through the invention Process obtained yarns very well suited for technical applications.
  • the first cooling zone is practically directly below the spinneret. Between Spinneret and the first cooling zone can still be a heated tube or a Heating tube ("hot tube").
  • the first cooling zone can be in the simplest embodiment just be an air gap between the spinneret or heated Tube and second cooling zone. The cooling then takes place simply when crossing the ambient air, by self-suction and / or by blowing with a gaseous medium such as air or nitrogen.
  • a gaseous medium such as air or nitrogen.
  • the length of this first cooling zone is determined according to the invention by the speed of the yarns to be passed and their dwell time.
  • the first cooling zone has a length of approximately 75 cm at a throughput speed of 300 m / min and a dwell time of approximately 0.15 seconds.
  • This relatively long distance of the first cooling zone at a low throughput speed is therefore contrary to the teaching of EP 0 937 791, which neither discloses nor teaches that the yarn properties improve when long dwell times are set in the first cooling zone. It is assumed that good stabilization occurs during the dwell time of the continuous yarns in the first cooling zone, which has an advantageous effect on the behavior in the subsequent steps of the process and on the yarn properties.
  • the temperature of the continuous yarns is 100 ° C to 150 ° C after leaving the first cooling zone.
  • the first cooling zone consists of one air-permeable porous tube or the like, then can be between it and the second cooling zone a gap of 10 to 500 mm, preferably 10 to 200 mm, width.
  • the fluid used for cooling in the second cooling zone exists either wholly or in part from a liquid component at room temperature. Examples include water or steam, or alcohol and mixtures of these components with gaseous media, e.g. Air or nitrogen.
  • the second cooling zone can be in different embodiments in the invention Procedures are used. It is preferred if the continuous yarns are essentially cooled by a fluid when passing through the second cooling zone, that consists entirely or partially of water.
  • the continuous yarns essentially pass through the second cooling zone be cooled by a water bath. It is important to ensure that the Water temperature must not be too high to prevent the filaments from sticking together to avoid. It has worked well if the water bath temperature is not is higher than a maximum of 10 ° C below the glass temperature (Tg) of the used thermoplastic material. In the case of polyethylene terephthalate (Tg about 80 ° C) a bath temperature of around 60 ° C has proven to be suitable.
  • the continuous yarns are cooled essentially by a spray of small water droplets when passing through the second cooling zone.
  • small water droplets which preferably have an average diameter of not larger than 150 ⁇ m, can dissipate a significantly higher amount of heat than can be dissipated when passing through a water bath. This is due to the additional evaporation enthalpy of the droplets, whereby the heat energy required for this is extracted from the yarns.
  • the droplets are advantageously brought into contact with the continuous yarn with the aid of air by means of nozzles.
  • the second cooling zone can take the form of a fog chamber, for example, at the lower end of which nozzles are attached, which apply the spray mist to the yarns, for example at an angle of 45 ° C., against the direction of the yarns.
  • the air is mainly used as a transport medium to bring the water droplets into contact with the yarn.
  • the gap between the air-permeable porous tube and the second cooling zone already mentioned serves for the outflow of the hot air from the first cooling zone and possibly also for the outflow of the heated spray mist.
  • the measurement of the average droplet size is known per se and is carried out in accordance with ASTM E 799 in the present invention.
  • the dwell time of the continuous yarns in the second cooling zone is generally shorter than in the first cooling zone, which manifests itself in a significantly shorter length of the second cooling zone compared to the first cooling zone.
  • significantly shorter means about 50% of the length of the first cooling zone. As a rule, this length is about 50 cm.
  • the continuous yarns are drawn off from the cooling zones by godets, advantageously through a trio of gods.
  • This deduction takes place via a deflection roller, which is located at one Water bath as a second cooling zone is advantageously located within this bath and placed directly behind this chamber when using a fog chamber is.
  • the distance between the spinneret and the pulley is general critical. However, it has proven to be advantageous if the deflection roller about 2.5 m, preferably about 2.0 m, is located below the spinneret.
  • the process can then be continued on one level. The has the advantage that the entire apparatus for performing the method only has or requires a low overall height ("one-floor machine").
  • the continuous yarns cooled in this way are then dried as a preliminary stage for the drawing process in a manner known per se, e.g. by loading of air, for example by means of compressed air at ambient temperature, by means of of a blower.
  • the continuous yarns can still be mixed with conventional spinning oils, preferably with a so-called Neat Oil.
  • spinning oils are known per se to the person skilled in the art and facilitate the implementation of the following Process steps.
  • the process according to the invention takes place after drying or after exposure to the spinning oil, a stretching takes place in the Run the yarns to the desired one in a manner known per se using godets Draw ratio are brought.
  • a stretching takes place in the Run the yarns to the desired one in a manner known per se using godets Draw ratio are brought.
  • the continuous yarns using thirteen successive godets a tridecatette.
  • the temperature of these godets is advantageously chosen so that that their temperature gradually over the course of the stretch from about 80 ° C to about 240 ° C, preferably from about 120 ° C to about 240 ° C.
  • the continuous yarns additionally have a pre-stretching be subjected.
  • Pre-stretching in the process according to the invention is one to understand further drawing of the continuous yarns before that already mentioned Stretching is carried out. By such pre-stretching the receive most of the total draw ratio to be set in the process become.
  • these godets are also as Tridecatett are arranged, which means that the continuous yarns by the total of 13 heated godets can be stretched in two stages.
  • a stretching ratio of about 2 to about 5 is set.
  • the stretching again with a stretching ratio between 1.1 and 3.0, preferably 1.2 to 1.8, stretched.
  • the pre-stretching as described in the godet tridecatette of the stretching is integrated, then it is very advantageous if the pre-stretching with the help a nozzle which emits water vapor takes place.
  • a nozzle is known per se and could, for example, behind the first trio of godets already mentioned Tridecatett be positioned. In the latter case, the godets could of the tridecatette, for example, are operated so that the first three godets can be used to achieve the yarn temperature of approx.
  • the pre-stretching after leaving the second cooling zone and before drying takes place.
  • the pre-stretching takes place in a water bath that is placed after the withdrawal godets that pull the continuous yarns out of the cooling zones.
  • the continuous yarns starting from the mentioned withdrawal godets through a water bath that is on a temperature of approx. 90 ° C, over a in the water bath Pin and then followed by a water bath Galette stretched out. In this way, it can already be started in an advantageous manner At this point in the process, the stretching ratios favorable for pre-stretching set between about 2 and about 5.
  • the special advantage in the implementation The pre-stretching in this way is that the stretching temperature is above the Water temperature can be regulated in a simple manner and that through the stretching process generated heat can be dissipated well. Then takes place in the above described the drying of the continuous yarns or, where appropriate, the Application by the spin finish.
  • pre-stretching is carried out using a water bath, it can be used for the stretching will be sufficient if only nine godets for the stretching step be used.
  • the dwell time of the continuous yarns at the final temperature of the drawing can be optional by passing the yarns through a heating oven in which the yarns are kept contact-free at the desired temperature. This Measure can improve the structural properties of the cooks obtained.
  • the stretching is usually followed by a relaxation step, at where the yarns are also relaxed using heated godets.
  • a relaxation step at where the yarns are also relaxed using heated godets.
  • the continuous yarn is passed over a godet septet that is at a temperature from approx. 180 to 240 ° C, e.g. 220 ° C.
  • the relaxation ratio is usually around 0.8 to 1.
  • this relaxation step can be optional followed by a fixation in a heating oven in which the continuous yarns are non-contact be maintained at the final temperature of the relaxation step.
  • the septet or following the optional heating furnace and immediately before winding up is advantageous yet another trio of gods arranged. Through the last mentioned trio of gods can still an additional relaxation step in the inventive method be introduced.
  • This additional relaxation step can have advantages in many cases bring, especially with a view to achieving low shrink properties. In principle it is even possible and in some cases also desirable if the relaxation step is performed only with the godet trio and this then the only relaxation in the process is. In such cases, relaxation can through the septet or even completely without the septet and the relaxation at a stretch ratio of about 0.75 to about 1 with the godet trio alone be performed.
  • the continuous filaments produced by the process of the present invention are advantageous at speeds below 3000 m / min, for example between 1500 and 2500 m / min.
  • Another advantage is that using the process described in simple Way more than six continuous yarns are produced at the same time.
  • the number of at the same time Continuous yarns produced is principally only used in the process coming godets limited.
  • the main parameters that determine this use such as. the length of the godets, their force absorption, especially in Transverse direction, are known to the specialist.
  • it is by means of the procedure possible according to the invention, simultaneously 8, 16, 24, 32 or even 96 continuous yarns manufacture. Because of this economic advantage, which is due among other things the special cooling conditions in the inventive process is a possible loss of capacity, which may be due to the lower Speeds compared to the state of the art could arise more than compensated.
  • PET polyethylene terephthalate
  • the diameter of the extruder 2 is 60 mm.
  • the PET is melted at approx. 300 ° C and then extruded through a 211 hole spinneret.
  • the continuous yarns are passed through a heating tube 3 of 12 cm in length at 300 ° C.
  • the continuous yarns are then passed through a perforated tube 4 of 1 m in length performed as the first cooling zone. Between the heating pipe 3 and the perforated pipe 4 there is a slot with a length of 10 mm.
  • the dwell time in the first cooling zone is 0.2 sec.
  • the continuous yarns are then in a cloud chamber 5 as a second cooling zone guided.
  • This second cooling zone is 50 cm long and within it Continuous yarns are generated by a spray mist through nozzles cooled at a pressure of 5 bar and a water volume of 670 ml / min.
  • the Droplets within the spray have an average diameter of 57 microns.
  • the diameter of the cloud chamber 5 is 200 mm.
  • Below the cloud chamber is a deflection roller measured at a distance of 240 cm from the spinneret 6 arranged.
  • the speed when passing the yarns is determined by the godet trio 7 set to 295 m / min.
  • the fancy yarn is fed by a blower 8 dried using compressed air at 4 bar.
  • the finish application 9 a Neatoil applied as a spin finish.
  • a pre-stretching takes place by means of the godet trio 10 and the steam nozzle 11.
  • the continuous yarns are heated in the nozzle 11 (the temperature of the nozzle is approximately 230 ° C) and a draw ratio of 4.2.
  • the godet decatet 12 takes place using of the godet decatet 12 a further stretching to a ratio of 1.5, see above that a total draw ratio of 6.3 is set.
  • the top speed after stretching is 1890 m / min.
  • the continuous yarns then happen Galette septet 14 through which they are also passed at 1890 m / min.
  • the yarn data of the continuous yarns thus obtained are determined in accordance with ASTM D885.
  • HL hot air shrinkage measurement
  • the yarns are exposed to a temperature of 18 ° C for 2 minutes.
  • the following data are measured: total denier 1118 dtex f 211 strength 924 mN / tex strain 13.5% initial modulus 11.9 N / tex at 0.25% elongation HL 7%

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
EP01100404A 2001-01-05 2001-01-05 Procédé de filage par étirage pour la fabrication de fils par le filage au fondu Withdrawn EP1221499A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP01100404A EP1221499A1 (fr) 2001-01-05 2001-01-05 Procédé de filage par étirage pour la fabrication de fils par le filage au fondu
KR1020037008969A KR100828452B1 (ko) 2001-01-05 2001-12-22 압출된 사의 방사 연신 방법
PCT/EP2001/015301 WO2002053814A1 (fr) 2001-01-05 2001-12-22 Procede de filage-etirage de fils files a chaud
US10/250,505 US7070723B2 (en) 2001-01-05 2001-12-22 Method for spin-drawing of melt-spun yarns
MXPA03005817A MXPA03005817A (es) 2001-01-05 2001-12-22 Metodo para estirado de hilos extruidos.
EP01272667A EP1352114A1 (fr) 2001-01-05 2001-12-22 Procede de filage-etirage de fils files a chaud
BR0116665-4A BR0116665A (pt) 2001-01-05 2001-12-22 Método para fiação e estiramento simultáneos de fios contìnuos que consistem em um ou mais filamentos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01100404A EP1221499A1 (fr) 2001-01-05 2001-01-05 Procédé de filage par étirage pour la fabrication de fils par le filage au fondu

Publications (1)

Publication Number Publication Date
EP1221499A1 true EP1221499A1 (fr) 2002-07-10

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP01100404A Withdrawn EP1221499A1 (fr) 2001-01-05 2001-01-05 Procédé de filage par étirage pour la fabrication de fils par le filage au fondu
EP01272667A Withdrawn EP1352114A1 (fr) 2001-01-05 2001-12-22 Procede de filage-etirage de fils files a chaud

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01272667A Withdrawn EP1352114A1 (fr) 2001-01-05 2001-12-22 Procede de filage-etirage de fils files a chaud

Country Status (6)

Country Link
US (1) US7070723B2 (fr)
EP (2) EP1221499A1 (fr)
KR (1) KR100828452B1 (fr)
BR (1) BR0116665A (fr)
MX (1) MXPA03005817A (fr)
WO (1) WO2002053814A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104669597A (zh) * 2015-02-28 2015-06-03 浙江海轮绳网有限公司 拉丝辊组及应用其的拉丝机和拉丝二次定型方法
CN106795652A (zh) * 2014-10-18 2017-05-31 欧瑞康纺织有限及两合公司 用于由聚酰胺熔体生产复丝线的方法和装置
WO2017212037A1 (fr) * 2016-06-09 2017-12-14 3Devo B.V. Appareil de production de filaments de modélisation par dépôt en fusion

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448008B1 (ko) * 2002-07-20 2004-09-08 주식회사 효성 고강도 저수축 폴리에스테르 섬유 및 그 제조방법
NL1029276C2 (nl) * 2005-06-17 2006-12-19 Desseaux H Tapijtfab Werkwijze ter vervaardiging van monofilamenten, alsmede een hieruit samengesteld kunstgrasveld.
WO2007079488A2 (fr) * 2006-01-03 2007-07-12 Victor Barinov Electrofilature de fibres controlees
US8342831B2 (en) * 2006-04-07 2013-01-01 Victor Barinov Controlled electrospinning of fibers
US20080182938A1 (en) * 2007-01-25 2008-07-31 Heping Zhang Toughened monofilaments
CH705306B1 (de) * 2011-07-25 2015-06-30 Trützschler Switzerland AG Verfahren und Vorrichtung zur Herstellung eines HMLS-Garnes aus einer Polyesterschmelze.
CN103526318A (zh) * 2013-09-29 2014-01-22 无锡众望四维科技有限公司 聚酯切片纺丝设备的冷却装置

Citations (3)

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Publication number Priority date Publication date Assignee Title
GB908409A (en) * 1960-08-04 1962-10-17 Ici Ltd Process for the production of polypropylene monofilaments
DE4336097A1 (de) * 1993-10-22 1995-04-27 Bayer Ag Kontinuierliches Verfahren zum Schmelzspinnen von monofilen Fäden
EP0937791A2 (fr) * 1998-02-21 1999-08-25 B a r m a g AG Procédé et dispositif pout le filage d'un fil multifilament

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BE545456A (fr) * 1955-03-19
US3002804A (en) * 1958-11-28 1961-10-03 Du Pont Process of melt spinning and stretching filaments by passing them through liquid drag bath
SG67284A1 (en) * 1991-09-06 1999-09-21 Akzo Nobel Nv Apparatus for high speed spinning multifilament yarns and use thereof
US5279783A (en) * 1992-01-30 1994-01-18 United States Surgical Corporation Process for manufacture of polyamide monofilament suture
DE19600090A1 (de) * 1996-01-03 1997-07-10 Bayer Faser Gmbh Verfahren und Vorrichtung zur Herstellung von schmelzgesponnenen Monofilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB908409A (en) * 1960-08-04 1962-10-17 Ici Ltd Process for the production of polypropylene monofilaments
DE4336097A1 (de) * 1993-10-22 1995-04-27 Bayer Ag Kontinuierliches Verfahren zum Schmelzspinnen von monofilen Fäden
EP0937791A2 (fr) * 1998-02-21 1999-08-25 B a r m a g AG Procédé et dispositif pout le filage d'un fil multifilament

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106795652A (zh) * 2014-10-18 2017-05-31 欧瑞康纺织有限及两合公司 用于由聚酰胺熔体生产复丝线的方法和装置
CN106795652B (zh) * 2014-10-18 2019-11-19 欧瑞康纺织有限及两合公司 用于由聚酰胺熔体生产复丝纱线的方法和装置
CN104669597A (zh) * 2015-02-28 2015-06-03 浙江海轮绳网有限公司 拉丝辊组及应用其的拉丝机和拉丝二次定型方法
WO2017212037A1 (fr) * 2016-06-09 2017-12-14 3Devo B.V. Appareil de production de filaments de modélisation par dépôt en fusion

Also Published As

Publication number Publication date
WO2002053814A1 (fr) 2002-07-11
KR100828452B1 (ko) 2008-05-13
KR20030071796A (ko) 2003-09-06
US20040032049A1 (en) 2004-02-19
BR0116665A (pt) 2003-10-07
US7070723B2 (en) 2006-07-04
MXPA03005817A (es) 2003-09-10
EP1352114A1 (fr) 2003-10-15

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