WO1995015409A1 - Procede de filature a chaud de filaments - Google Patents

Procede de filature a chaud de filaments Download PDF

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Publication number
WO1995015409A1
WO1995015409A1 PCT/IB1994/000380 IB9400380W WO9515409A1 WO 1995015409 A1 WO1995015409 A1 WO 1995015409A1 IB 9400380 W IB9400380 W IB 9400380W WO 9515409 A1 WO9515409 A1 WO 9515409A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
speed
air flow
point
air
Prior art date
Application number
PCT/IB1994/000380
Other languages
German (de)
English (en)
Inventor
Ronald Mears
Original Assignee
Rieter Automatik Gmbh
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 Rieter Automatik Gmbh filed Critical Rieter Automatik Gmbh
Priority to DE59406138T priority Critical patent/DE59406138D1/de
Priority to JP51551495A priority patent/JP4101869B2/ja
Priority to KR1019950703168A priority patent/KR100344007B1/ko
Priority to EP95900885A priority patent/EP0682720B1/fr
Priority to BR9406246A priority patent/BR9406246A/pt
Publication of WO1995015409A1 publication Critical patent/WO1995015409A1/fr
Priority to US08/784,995 priority patent/US5976431A/en
Priority to HK98110538A priority patent/HK1009718A1/xx

Links

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
    • D01D5/098—Melt spinning methods with simultaneous stretching

Definitions

  • the invention relates to a process for the production (for spinning) of filaments e.g. made of polyester, polyamide (polycondensates) or polypropylene. Corresponding devices are also proposed.
  • the invention is based on findings which are made in part in the article "Schnellspinnen von Polyamid 6.6" by Dr. H. Breuer et al in the magazine “Chemical fibers / textile industry", September 1992, page 662ff. According to these findings, the textile technology and morphological data of rapidly spun polycondensates are largely independent of the spinning conditions. Only the take-off speed has a noticeable influence.
  • the invention is based on the further finding that the influence of the take-off speed actually affects the load on the thread (filament stress) until it solidifies. Accordingly, measures are taken in accordance with the invention in order to specifically influence this load and thereby the thread properties.
  • the invention provides a melt spinning process, an air flow being generated in the thread running direction on the surface of the thread, characterized in that the flow flows over at least a partial length of the thread where the polymer material has not yet solidified, and that over this partial length of the thread, the speed of the air flow in the thread running direction is so high that the thread experiences no or negligible stress due to friction between the thread and the adjacent air layer.
  • the thread is preferably delivered to a winding device and wound therein into a bobbin (package) at a predetermined speed.
  • the winding speed can be so high that from a predetermined point in the spinning line, at the thread speed prevailing at this point, without the support of the air flow in the thread running direction, the friction between the thread and the adjacent air layer causes an additional load on the thread which would affect the thread properties.
  • an air flow at such a high speed in the thread running direction generates that the frictional forces between the thread and the adjacent air layer remain below a limit where they can significantly influence the thread properties.
  • the air flow preferably accompanies the thread at least to a point in the spinning line where the thread properties can essentially no longer be influenced by the friction forces mentioned, i.e. up to a point in the vicinity of a point where the polymer material has been solidified.
  • the speed of the air flow is kept so high up to the point mentioned that the undesired frictional forces do not arise.
  • the air flow is preferably generated in such a way that it flows as evenly as possible in the thread running direction, that is to say that it has as little turbulence as possible and exerts as small as possible lateral forces on the thread.
  • the invention further provides a melt spinning process, according to which the thread is delivered to a winding device, where it is wound up into a bobbin at a predetermined speed, the winding speed being set so high that "necking" without supporting the air flow in the thread running direction "would occur in the thread run, characterized in that the air flow in the thread running direction is supported in such a way that necking is avoided.
  • the first aspect of the invention can advantageously be combined with the second aspect, which achieves particular advantages because it reduces the stress on the thread during solidification in two ways. namely in that the forces acting on the thread are reduced and in that the excessive tapering (necking) of the thread before solidification is avoided.
  • Fig. 1 is a schematic representation of the thread path (the
  • FIG. 2 shows a corresponding representation of the new method according to this invention
  • FIG. 3 shows a schematic representation of a device for realizing a method according to FIG. 2
  • FIG. 4 shows a corresponding one Representation of a supplemented
  • FIG. 5 schematically shows an expanded method
  • FIG. 6 schematically shows a preferred variant of such an expanded method.
  • Fig. 1 shows schematically a part of a nozzle plate 10, a single hole 12 in this plate 10, whereby a melt 14 is pressed out by means not shown, and the resulting filament 16.
  • a single filament 16 is shown - it can but as is known, a plurality of filaments 16 are formed simultaneously (each through a separate hole in the plate 10).
  • the method shown in FIG. 1 is completed by winding the filament 16 in a bobbin 18 in a winding unit (winder or winder) 20.
  • the originally liquid polymer is cooled between the nozzle plate 10 and the winder 20. This is done by transferring heat from hot polymer to the gas (air) that surrounds it. The heat transfer continues at least until the polymer material has solidified (solidified), which is the case at a detectable point (or at least region) along the thread path.
  • the "solidification point” is indicated in FIG. 1 at point EP, this point being able to be significantly influenced by the spinning conditions (see the aforementioned article from chemical fiber / textile industry, September 1992).
  • the filament tapers compared to its original cross-section when it is pressed out of the hole 12. Below the solidification point EP there is no further (substantial) change in the filament cross-section.
  • the speed of a "polymer particle" between the nozzle plate and the winder is therefore influenced by very complex effects, some of which have not yet been researched. After the polymer has solidified, this speed (the "take-off speed") is determined solely by the winder 20 in an arrangement according to FIG. 1, and it applies from the solidification point EP into the winder 20.
  • the relative speed of the filament compared to the air layer depends on several factors, for example whether the thread path is separated from the general room air by any means, whether special means are provided to move the air in the vicinity of the thread, and if so, in which direction.
  • the level of the load is hardly dependent on the air friction immediately after the filaments emerge from the spinneret, because the filament speed in this area is relatively low.
  • the load in this area depends on the acceleration and the viscosity in the longitudinal direction. However, since the filament speed exceeds a certain limit due to the acceleration, a substantial additional load occurs due to the air friction, provided that no measures are taken to avoid or limit this additional load.
  • the level of stress during solidification is decisive for some filament properties (such as the elongation at break, the tensile strength, the shrinkage and much more).
  • This stress for example in POY spinning, the more unfavorable are the values of the achievable thread properties.
  • the resultant FR can be reduced on the one hand, which means a decrease in the thread speed in the conventional method, and on the other hand the area size Q can be increased before solidification (ie given decitex per filament).
  • the area size Q can be increased before solidification (ie given decitex per filament).
  • FIG. 2 The elements of FIG. 2 are basically the same as those shown in FIG. 1 and they are provided with the same reference symbols. The difference lies in the fact that means (not shown in FIG. 2) are provided in order to generate an air flow LS in the thread running direction.
  • the current LS forms the air layer now adjacent to the filament 16 above the solidification point EP, which flows at a speed VR in the direction of the thread running, which is as high (or almost as high) as the speed of the filament surface.
  • the frictional forces Fr are therefore now negligible, which enables the resultant FR to decrease.
  • the air flow LS first contacts the filament 16 at a point EB which is arranged at a distance A below the plate 10, and it remains in contact with the filament up to the solidification point EP.
  • FIG. 3 shows a first embodiment for the practical implementation of the new principle.
  • the nozzle plate is now indicated at 25, the winder at 27 and the coil building up in the winder at 28.
  • Several filaments 29 are formed in the plate 25 (three shown), which are attached to one given point P are combined into a thread F.
  • An avi age is applied in front of the winder 27 by means of a metering device 31 and at most a swirling is carried out by the device 33.
  • the metering pump which supplies the spinneret 25 with melt, with a predetermined quantity / unit of time, is not shown. This amount together with the number of holes in the nozzle plate and the take-off speed result in the thickness of each individual filament, the so-called decitex per filament. If the method corresponds to what is customary today.
  • the thread run above the solidification point EP is enclosed by a spinning tube 35.
  • This tube carries an air flow which is caused by a vacuum generator 37.
  • the upper end 39 of the tube 35 is open and thus allows access to room air, which forms the aforementioned air flow in the tube.
  • the lower end 41 of the tube 35 opens into an elongated chamber 43, which serves as a connection between the tube 35 and the vacuum generator 37, as described in more detail below.
  • the chamber 43 forms an extension of the tube 35 in the thread running direction, so that the thread can also run through the chamber 43 and out of an outlet 45 without deflection after passing through the tube 35.
  • the outlet 45 is constructed in such a way that it does not prevent the thread running, but counteracts the entry of room air into the chamber 43 at this point. Ceramic thread guides 46 can be provided at the outlet 45.
  • the distance between the outlet 45 and the device 31 can be chosen to be so short that no substantial tension build-up due to air friction on the solidified thread can take place.
  • the lower end part of the chamber 43 is formed as a perforated surface 47 and is enclosed by a collecting ring 49, which is connected to the vacuum generator 37 via a channel 51.
  • Means are preferably provided in or on the channel 51 in order to be able to control the flow speed, for example a valve 53, a throttle 55 and a measuring device 57 in order to measure the differential pressure before or after the throttle. Since such arrangements are known to the person skilled in the art, they are not described in more detail here.
  • the chamber 43 is connected to the pipe 35 via a connecting piece (a "trumpet") 58 which extends in the direction of the thread running.
  • a connecting piece a "trumpet" 58 which extends in the direction of the thread running.
  • the high air speed in tube 35 is thereby reduced somewhat before the air enters chamber 43.
  • a further slowdown takes place when it passes from the chamber 43 into the collecting ring 49.
  • a mouthpiece (a "funnel") 59 tapering in the thread running direction is provided above the upper end 39 of the tube 35.
  • the funnel 59 (and possibly also the trumpet 58) are preferably provided with a profile on its inner surface which generates as little turbulence as possible in the air flow.
  • the funnel 59 is arranged inside a perforated cylinder 61 through which room air is sucked in. This perforated cylinder 61 extends back to the heating box 63, which comprises the spinneret 25.
  • a second perforated cylinder 65 may be provided around the first cylinder 61 in order to form a calming space 67 in between, which also helps to avoid air turbulence.
  • a roller (a godet) or roller unit
  • the "roving" emerging from the chamber can be stretched, which can be used to produce FDY yarns or technical yarns.
  • the godet could only serve to influence the thread tension before winding, without the aim of stretching.
  • the perforated cylinder 61 can be formed as a wire mesh, perforated sheet metal, sintered body or fiber element.
  • the minimum diameter of the cylinder 61 is so large that the still (thick) liquid filaments 29 do not touch the inner surface of the cylinder 61.
  • the axial length can be 5 to 200 cm.
  • the tube 35 may have an inner diameter e.g. from 0.5 cm to 20 cm.
  • the material of the tube is not important as long as the filaments do not adhere to it when it touches its inner surface and the wall itself does not melt.
  • the inside diameter of the pipe 35 is to be selected in relation to the negative pressure of the generator 37 in such a way that the necessary air speed in the pipe 35 can be maintained. This air speed is preferably as high or even higher than the take-off speed, i.e. the filament speed after solidification.
  • a protected zone Z can be provided between the spinneret 25 and a point where the inflowing air stream touches the filaments for the first time.
  • This zone Z can be formed by attaching a ring 64 to the heating box 63 below the spinneret 25.
  • the heater box 63 can advance even below the spinneret 25 as an alternative.
  • the incoming air can be preheated.
  • air blasting means 60 can be provided at the upper end 39 of the tube (between the tube 35 and the funnel 59), the air jets in the axial direction of the tube Insert tube 35 along the inner surface. These air jet means 60 can also be used as auxiliary means for threading.
  • FIG. 4 shows a variant which slows down the cooling of the thread in order to avoid frightening the polymer when it emerges from the spinneret 25.
  • the nozzle 25 is followed by a heated casing 70, which prevents a sharp drop in the thread temperature.
  • This effect is further supported by the fact that the cylinder 61 is divided into an upper part 61A and a lower part 61B by a partition 72, warm air being supplied to the cylinder part 61A above the partition, while the relatively cold room air gives access to the cylinder part 61B is granted.
  • the air flow in tube 35 could arise from blown air that is introduced into the upper end of the tube.
  • the air speed when entering the tube 35 can be influenced by an orifice 74 which surrounds the cylinder 61 and can be displaced in relation to the cylinder in the thread running direction.
  • the aperture 74 has no perforation and therefore limits the access of room air to the perforated cylinder 61 (or enables this access if the aperture 74 is moved downward).
  • the air speed in the tube 35 should correspond to the thread speed, as previously explained.
  • the room air that forms the air flow in the tube is preferably sucked in as a so-called "crossflow" (transverse to the thread length).
  • This inflow of room air must not have any turbulence which could cause unevenness in the thread properties.
  • the amount of air must therefore be limited (by choosing a relatively small diameter of the tube 35) because higher amounts of air are associated with increased risks of turbulence.
  • POY textile yarns - such yarns serve as roving for a further process, namely drawing or drawing texturing.
  • the crystallinity should not exceed a certain upper limit in order to enable optimal effects in the second step.
  • PES yarns have e.g. preferably a crystallinity of at most 20%, which means an elongation of about 80 to 150%; Cooking shrinkage results in approx. 50 10%.
  • FDY textile yarns - such yarns can be used for end use without a further processing step.
  • a higher crystallinity limit is acceptable here, e.g. PES-FDY yarn approx. 20 to 50%, which results in an elongation of 25 to 45%, a tenacity of 3 to 5 CN / dtex and a boiling shrinkage of 0 to 10%.
  • the invention which shows the degree of crystallinity or orientation for a given delivery speed influenced, can therefore be used to achieve the following effects:
  • Spinning yarns with specified properties at delivery speeds that are higher than usual today e.g. spinning POY yarns with 0.5 to 30 decitex per filament at delivery speeds between 7000 and 8000 m / min, instead of the usual yarns today speeds of 2500 to 5500 m / min, while maintaining the thread properties known today).
  • a PES (polyester) yarn is delivered to a Godet unit at a speed of approx. 3600 m / min (without being wound up).
  • the unit produces a warp of approx. 1.45 and the drawn yarn is wound up at a take-off speed of approx. 5200 m / min in order to produce a yarn with up to 6 decitex per filament.
  • the delivery speed to the godet aggregate is increased to approximately 7000 m / min without substantially changing the properties of the feed yarn.
  • the delay remains unchanged, so that the properties of the known yarns are retained.
  • the withdrawal speed is increased to more than 10,000 m / min.
  • the yarn can be supplied to the godet unit from the nozzle at a speed of more than 1000 m / min with properties unchanged compared to the known method. This makes it possible to increase the take-off speed to more than 5500 m / min with properties of the spooled yarn which are also unchanged compared to the known method.
  • High modulus, low shrinkage (HMLS) yarns have recently been used as tire cord.
  • a PES yarn is delivered to a godet unit at a speed of 3000 to 3500 m / min, where the original is stretched.
  • the drawn yarn is wound up at a take-off speed of approx. 6000 m / min.
  • this yarn can meet the requirement profiles for certain applications.
  • the HMLS method cannot easily be transferred to other types of polymer because other polymers are different react to the spinning conditions.
  • polypropylene (PP) and PA incl. PA 6.6
  • PP polypropylene
  • PA incl. PA 6.6
  • the invention can be used to reduce this unacceptable crystallinity.
  • a filament is processed at a stress level below a certain limit, the filament tapers evenly to the solidification point and the solidification takes place at the so-called glass temperature. With increasing stress, the polymer solidifies above the glass temperature (even under otherwise unchanged cooling conditions), the solidification being accompanied by increasing crystallization. This significantly increases the risk of "necking".
  • Such conditions are, for example, the acceleration, the expansion per unit length ( ⁇ x / x ) and the cooling. These conditions can be influenced by the process parameters distance A (upper tube end to the nozzle plate), tube length, air flow velocity and air temperature. As a result, spinning conditions can be created which roughly correspond to the conditions customary today.
  • the embodiment according to Fig. 5 comprises e.g. a spinneret 25, a tube 35, a chamber 43 and an air vent 51.
  • the area between the nozzle 25 and the tube 35 has not been shown particularly in FIG. 5, it can be designed according to FIG. 3 or FIG. 4 become.
  • a heat treatment duct 80 is provided below the chamber 43 in FIG. 5.
  • the solidified yarn is heated again to a temperature above the glass point (but below the melting temperature) by warm air flowing upward (temperature e.g. 200 to 240 ° C).
  • the yarn emerging from the channel is delivered to a pair of godets 82, 84, the yarn not being drawn by the godets.
  • the thread tension when entering the godet pair is so high that the yarn is stretched to a stretching point DP in the channel.
  • the thread tension according to the Godet pair is suitable for winding in the winder 27.
  • FIG. 6 shows the lower end part of the pipe 35 (near the solidification point EP).
  • a relatively large expansion channel 90 is now provided, e.g. to reduce the air flow speed from approx. 7000 m / min to approx. 500 m / min.
  • the slowly flowing air in the channel 90 is heated by a heating means 92 to such a temperature that the yarn is heated to a temperature above the glass point but below the melting point.
  • the Slowing down the air flow also results in an increase in air resistance (air friction) and a corresponding increase in thread tension.
  • This results in a stretching or expansion point DP in the lower part of the channel 90.
  • the stretching increases the crystallinity, which results in a low cooking shrinkage.
  • Yarns which are produced by this process can be used directly in textile applications (for example knitting, weaving).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

On peut réduire la contrainte à laquelle est soumis un filament venant d'être filé en évitant ou en limitant la friction de l'air entre le filament et la couche d'air avoisinante. A cet effet, on produit un flux d'air pouvant être acheminé à la surface du filament au moyen d'un tuyau, circulant dans la direction du filament et à une vitesse identique ou équivalente à la vitesse superficielle du filament.
PCT/IB1994/000380 1993-12-03 1994-12-02 Procede de filature a chaud de filaments WO1995015409A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE59406138T DE59406138D1 (de) 1993-12-03 1994-12-02 Schmelzspinnverfahren für filamente
JP51551495A JP4101869B2 (ja) 1993-12-03 1994-12-02 フィラメントの溶融紡糸方法
KR1019950703168A KR100344007B1 (ko) 1993-12-03 1994-12-02 필라멘트의용융방사방법
EP95900885A EP0682720B1 (fr) 1993-12-03 1994-12-02 Procede de filature a chaud de filaments
BR9406246A BR9406246A (pt) 1993-12-03 1994-12-02 Processo de fiação por fundição para filamentos
US08/784,995 US5976431A (en) 1993-12-03 1997-01-17 Melt spinning process to produce filaments
HK98110538A HK1009718A1 (en) 1993-12-03 1998-09-08 Melt spinning process to produce filaments

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH361093 1993-12-03
CH3610/93-4 1993-12-03

Publications (1)

Publication Number Publication Date
WO1995015409A1 true WO1995015409A1 (fr) 1995-06-08

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ID=4259692

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1994/000380 WO1995015409A1 (fr) 1993-12-03 1994-12-02 Procede de filature a chaud de filaments

Country Status (9)

Country Link
EP (1) EP0682720B1 (fr)
JP (1) JP4101869B2 (fr)
KR (1) KR100344007B1 (fr)
CN (1) CN1119461A (fr)
BR (1) BR9406246A (fr)
DE (1) DE59406138D1 (fr)
HK (1) HK1009718A1 (fr)
TW (1) TW268054B (fr)
WO (1) WO1995015409A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5824248A (en) * 1996-10-16 1998-10-20 E. I. Du Pont De Nemours And Company Spinning polymeric filaments
WO2000008242A1 (fr) * 1998-08-07 2000-02-17 Barmag Ag Preparation de fils
US6090485A (en) * 1996-10-16 2000-07-18 E. I. Du Pont De Nemours And Company Continuous filament yarns
US6103158A (en) * 1998-02-21 2000-08-15 Barmag Ag Method and apparatus for spinning a multifilament yarn
WO2000061842A1 (fr) * 1999-04-08 2000-10-19 Lurgi Zimmer Aktiengesellschaft Systeme de refroidissement pour fils de filaments continus
WO2000063468A1 (fr) * 1999-04-15 2000-10-26 E.I. Du Pont De Nemours And Company Dispositif et procede de filage de filaments polymeriques
EP1079008A1 (fr) * 1999-08-26 2001-02-28 B a r m a g AG Procédé et dispositif pour le filage d'un fil multifilament
WO2001018288A1 (fr) * 1999-09-07 2001-03-15 Barmag Ag Procede de filage par fusion
US6572798B2 (en) 1998-06-22 2003-06-03 Barmag Ag Apparatus and method for spinning a multifilament yarn
US6716014B2 (en) * 1998-07-23 2004-04-06 Barmag Ag Apparatus and method for melt spinning a synthetic yarn
US6841245B2 (en) 2000-01-20 2005-01-11 Invista North America S.A.R.L. Method for high-speed spinning of bicomponent fibers

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Publication number Priority date Publication date Assignee Title
TW538150B (en) 1998-11-09 2003-06-21 Barmag Barmer Maschf Method and apparatus for producing a highly oriented yarn
US6692687B2 (en) * 2000-01-20 2004-02-17 E. I. Du Pont De Nemours And Company Method for high-speed spinning of bicomponent fibers
US6899836B2 (en) 2002-05-24 2005-05-31 Invista North America S.A R.L. Process of making polyamide filaments
KR101076550B1 (ko) * 2005-01-28 2011-10-24 엠엠알 마켓팅 앤드 매니지먼트 아게 로트크레우즈 유체를 압출하기 위한 방법
CN102869819B (zh) * 2010-03-24 2015-08-12 欧瑞康纺织有限及两合公司 用于熔纺和冷却许多合成丝线的方法和装置
JP2015014071A (ja) * 2013-07-08 2015-01-22 Ｔｍｔマシナリー株式会社 糸条冷却装置
JP7149100B2 (ja) * 2018-05-16 2022-10-06 Ｔｍｔマシナリー株式会社 紡糸冷却装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH468482A (de) * 1967-05-01 1969-02-15 Inventa Ag Vorrichtung zur Verhinderung von Luftwirbelbildung im Spinnschacht
US3611485A (en) * 1968-12-30 1971-10-12 Monsanto Co Spinning chimney
EP0530652A2 (fr) * 1991-09-06 1993-03-10 Akzo Nobel N.V. Dispositif de filage à grande vitesse de fils multifilaments et son utilisation
DE4223198A1 (de) * 1992-07-15 1994-01-20 Zimmer Ag Verfahren und Vorrichtung zur Herstellung synthetischer Endlosfilamente
EP0580977A1 (fr) * 1992-06-13 1994-02-02 Barmag Ag Dispositif pour le filage de fils synthétiques
EP0613966A1 (fr) * 1993-03-05 1994-09-07 Akzo Nobel N.V. Dispositif de filage au fondu de fils multifilaments et son utilisation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH468482A (de) * 1967-05-01 1969-02-15 Inventa Ag Vorrichtung zur Verhinderung von Luftwirbelbildung im Spinnschacht
US3611485A (en) * 1968-12-30 1971-10-12 Monsanto Co Spinning chimney
EP0530652A2 (fr) * 1991-09-06 1993-03-10 Akzo Nobel N.V. Dispositif de filage à grande vitesse de fils multifilaments et son utilisation
EP0580977A1 (fr) * 1992-06-13 1994-02-02 Barmag Ag Dispositif pour le filage de fils synthétiques
DE4223198A1 (de) * 1992-07-15 1994-01-20 Zimmer Ag Verfahren und Vorrichtung zur Herstellung synthetischer Endlosfilamente
EP0613966A1 (fr) * 1993-03-05 1994-09-07 Akzo Nobel N.V. Dispositif de filage au fondu de fils multifilaments et son utilisation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6090485A (en) * 1996-10-16 2000-07-18 E. I. Du Pont De Nemours And Company Continuous filament yarns
US5824248A (en) * 1996-10-16 1998-10-20 E. I. Du Pont De Nemours And Company Spinning polymeric filaments
US6103158A (en) * 1998-02-21 2000-08-15 Barmag Ag Method and apparatus for spinning a multifilament yarn
US6572798B2 (en) 1998-06-22 2003-06-03 Barmag Ag Apparatus and method for spinning a multifilament yarn
EP1090170B1 (fr) * 1998-06-22 2004-08-18 Saurer GmbH & Co. KG Dispositif de filage pour filer un fil synthetique
US6716014B2 (en) * 1998-07-23 2004-04-06 Barmag Ag Apparatus and method for melt spinning a synthetic yarn
WO2000008242A1 (fr) * 1998-08-07 2000-02-17 Barmag Ag Preparation de fils
WO2000061842A1 (fr) * 1999-04-08 2000-10-19 Lurgi Zimmer Aktiengesellschaft Systeme de refroidissement pour fils de filaments continus
US6652255B1 (en) 1999-04-08 2003-11-25 Zimmer Aktiengesellschaft Cooling system for filament bundles
US6444151B1 (en) 1999-04-15 2002-09-03 E. I. Du Pont De Nemours And Company Apparatus and process for spinning polymeric filaments
WO2000063468A1 (fr) * 1999-04-15 2000-10-26 E.I. Du Pont De Nemours And Company Dispositif et procede de filage de filaments polymeriques
EP1079008A1 (fr) * 1999-08-26 2001-02-28 B a r m a g AG Procédé et dispositif pour le filage d'un fil multifilament
WO2001018288A1 (fr) * 1999-09-07 2001-03-15 Barmag Ag Procede de filage par fusion
US6824717B2 (en) 1999-09-07 2004-11-30 Saurer Gmbh & Co. Kg Method for melt spinning filament yarns
US6841245B2 (en) 2000-01-20 2005-01-11 Invista North America S.A.R.L. Method for high-speed spinning of bicomponent fibers
US7011885B2 (en) 2000-01-20 2006-03-14 INVISTA North America S.à.r.l. Method for high-speed spinning of bicomponent fibers

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BR9406246A (pt) 1996-01-09
JPH08506393A (ja) 1996-07-09
CN1119461A (zh) 1996-03-27
HK1009718A1 (en) 1999-06-04
EP0682720A1 (fr) 1995-11-22
TW268054B (fr) 1996-01-11
KR960703374A (ko) 1996-08-17
KR100344007B1 (ko) 2002-11-30
EP0682720B1 (fr) 1998-06-03
JP4101869B2 (ja) 2008-06-18
DE59406138D1 (de) 1998-07-09

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