EP1709222B1 - Procede pour produire un file fantaisie - Google Patents

Procede pour produire un file fantaisie Download PDF

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Publication number
EP1709222B1
EP1709222B1 EP04804368A EP04804368A EP1709222B1 EP 1709222 B1 EP1709222 B1 EP 1709222B1 EP 04804368 A EP04804368 A EP 04804368A EP 04804368 A EP04804368 A EP 04804368A EP 1709222 B1 EP1709222 B1 EP 1709222B1
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EP
European Patent Office
Prior art keywords
effect
yarn
transverse dimension
spinning
yam
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EP04804368A
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German (de)
English (en)
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EP1709222A1 (fr
Inventor
Hans Grecksch
Gerhard Rienas
Christoph Haase
Olav Birlem
Iris Biermann
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Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Publication of EP1709222A1 publication Critical patent/EP1709222A1/fr
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • 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
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

Definitions

  • the invention relates to a method for producing a fancy yarn according to the preamble of claim 1.
  • effect yarn a yarn is called, in the thick places with predetermined larger diameters and with predetermined lengths, the so-called effects, are present.
  • the intervening yarn sections of smaller diameter, that is, the effect-free sections are referred to as webs.
  • the effect lengths, effect diameter, the effect frequency and the respective effect-free thread length or web length belong to the effect yarn determining effect data.
  • Fancy yarns are becoming increasingly important. Areas of application include denim fabrics, casual wear and home textiles.
  • fancy yarns can be produced.
  • the fiber supply to the opening roller of the rotor spinning device is changed by the speed of the feed rollers is varied.
  • mechanical transmissions are driven, which drive machine-length continuous waves.
  • the feed rollers are set in rotation. Due to the large mass of the moving parts of such a drive system and the gear play, however, an exact and sudden change in yarn thickness at the beginning and end of an effect is difficult or impossible to achieve.
  • the speed at If necessary, spinning of fancy yarn must be greatly reduced compared to the speed of spinning of effect-free yarn.
  • the DE 44 04 503 A1 describes a rotor spinning machine in which each feed roller is connected with its drive shaft directly to an associated stepper motor. Each stepper motor can be controlled via a drive unit. Random speed changes of the sliver feeder can be generated with a random generator. An effect yarn with predetermined effects can not be produced with this known rotor spinning machine.
  • programs for controlling ring or rotor spinning machines, in particular their delivery cylinders, have already been developed with which effects can be set in a targeted manner.
  • the in the DE 40 41 130 A1 described spinning machine is used to produce effect yarn using a program control for the effect formation.
  • Specifications such as speed of the drive motors, speeds or how certain machine parameters are provided and controlled.
  • the speed curve of the electric motor is specified as the setpoint curve.
  • the actual speed is monitored and registered in a control device.
  • the formation of the effect yarn in rotor spinning depends not only on the control of the feed roller, but is also influenced for example by the negative pressure in the spinning device or by the yarn twist. Therefore, it can easily happen that the various influencing variables are inadequately tuned and the formation of the produced effect yarn deviates to an undesired extent from the predetermined formation of the effect yarn.
  • a change in the spinning settings based on a visual qualifying check of the yarn often leads to complex and very time-consuming coordination processes.
  • the WO 2005/038105 A1 is prior art according to Article 54 (3) EPC.
  • the said application discloses a process for the production of an effect yarn which corresponds to a present pattern effect yarn.
  • the pattern effect yarn for measuring is guided by a measuring device, by means of the measuring device at least one of the parameters diameter and mass of the pattern effect yarn is continuously measured, the measured values are evaluated and from the effect formation of the pattern effect yarn from effect areas and intervening webs determined and from the Effect data representing a data record is formed.
  • spin settings are generated, which are based on the previously formed record, and With these spinning settings a fancy yarn is made.
  • the produced yarn can also be measured, the effect formation of the produced yarn determined and compared with the effect formation of the pattern effect yarn.
  • the spinning settings can then be varied until a sufficient match is achieved between the effect formation of the produced yarn and the effect formation of the pattern effect yarn.
  • a control of the formation of the effect yarn is made, which allows a comparison on the basis of quantified properties of the effect yarn.
  • An adjustment can be made until a sufficient match to the predetermined formation of the effect yarn is achieved. That is, it is possible according to the present invention, in several cycles that To check the result of the respective change of parameters and to initiate a change again. In this way, a yarn can be produced which largely corresponds to the predetermined formation of the effect yarn.
  • the verification of the agreement can be done either by statistical recording, in particular tabular recording of the effects, that is, their thickness, length and distribution or their representation on a screen.
  • the display on a screen can be made for example by means of the system Oasys® the company Zweigle.
  • a tabular specification in the form of a so-called effect table describes the rapport of the effect yarn and is explained by way of example. Lines with information on sections designed as a bridge and with details of sections of the effect yarn formed as an effect alternate in the effect table in succession.
  • the first line of the effect table contains the specification of a web length and the web thickness.
  • the second line contains the specification of an effect length and an effect thickness. This is followed by another line with bar length and bar thickness, etc.
  • the change can be made, for example, in the bridge length or the effect length.
  • the next repeat of the yarn after such a so-called “disturbance” is then called again a Garnrapport with an unchanged original first line.
  • the cycle is repeated with sporadically inserted "disturbances” until the predetermined yarn length has been wound up on the spool.
  • the effect training which is determined by the evaluation of the measured diameter values, is compared with the effect training given by the effect table.
  • the thicknesses and lengths, the effects and webs listed in the effect table form nominal values whose conformity with the measured actual values is checked.
  • the continuous measurement of a transverse dimension such as the diameter of the effect yarn, allows an assessment based on quantified properties, whereby compared to a merely qualifying visual assessment, the matching can be more targeted and faster.
  • changes of the previous data are made.
  • the change of certain spinning parameters has certain effects on the yarn cross section. Some parameters can be changed automatically. In particular, this is possible in the control of the fiber supply to the opening roller by means of control of the feed roller.
  • the pickup roller rotates temporarily faster than the number of revolutions set for making a land portion, becomes more faster Fiber material per unit time fed to form the thread. This creates a thicker thread section or effect.
  • the effect thickness is at least approximately proportional to the speed of the feed roller.
  • the speed of the feed roller is correspondingly increased. If the measured effect thickness, however, is too large, the speed of the feed roller is reduced accordingly. If, for example, by evaluating the measured diameter values of the thread, it is found that the effect starts too late or the previous bridge is too long and therefore the length of the effect is insufficient, the beginning of the phase in which the feed roller rotates faster and thus promotes more fiber material to the opening roller, be placed accordingly at an earlier time. This prolongs the effect. If the effect ends too late and is therefore too long, the end of the phase in which the feed roller rotates faster and thus promotes more fiber material to the opening roller can be set accordingly to an earlier point in time. In case of deviations of the position, the diameter and the length of the webs is proceeded according to the procedure described above in terms of effects.
  • the skilled person is familiar with further possibilities for changing spinning parameters which have an effect on the yarn cross-section.
  • the rotation of the thread and concomitantly the thickness of the thread can be influenced.
  • the thread is more constricted.
  • the adjustment of the negative pressure in the spinning device has an effect on the effect training and can be used as a manipulated variable for the Effect training can be used.
  • the combing power of the opening roller influencing the effect is determined both by the type of clothing and by the circumferential speed of the opening roller.
  • spin settings that affect the basic setting of the machine that do not vary as the immediate effect-related data with changing transverse dimension of the yarn.
  • the rotation coefficient for example, by changing the rotation coefficient, the thickness of the yarn section can be changed.
  • the combing power of the opening roller influencing the effect is determined both by the type of clothing and by the circumferential speed of the opening roller. If such spin settings are included in the alignment process, the possibilities are improved to arrive quickly at optimally selected or adjusted spinning parameters.
  • the data to be returned to the rotor spinning machine are effective for various controllers. Accordingly, the data includes addresses of controllers for which they are intended. This leads to the intended assignment of the data during downloading. In this case, data are included, which are needed only on a display of the central control device for display. This concerns in particular data that can not be implemented by the machine itself. As an example, the selection of spin agents may be mentioned.
  • the change to achieve a sufficient correspondence between the given effect formation and the effect formation of the produced yarn advantageously takes place as a control process, which is supported by the use of control algorithms and empirically determined spinning settings in tabular form. Both control algorithms and empirically determined Spinning settings in tabular form serve to shorten the control process by targeted changes.
  • the produced thread is selected as the object of monitoring.
  • the degree of correspondence or deviation is determined. Determined deviations from the desired effect formation by means of the control process are sufficiently minimized or eliminated altogether for the further yarn production.
  • the control process is based on the actual effect training. On the other hand, if, as in the case of known methods, only compliance with the specifications for the feeding of fiber material is monitored, disadvantages are thereby associated. If the control of the feeding of the fiber material, which is supplied in the form of slivers or roving the effect yarn formation, without taking into account the actual effect training, other disturbances and their effect on the effect formation of the produced effect yarn are not recognized.
  • the control process is based on the actual effect training. As a result, any deviation of the actual effect training occurring due to the influence of disturbance variable from the desired effect training can be recognized. In this way, an effective control process can be performed.
  • these two speeds are coordinated so that the effect image corresponds to the desired effect formation as a result.
  • a single spinning station 1 is shown in side view.
  • a sliver 3 is drawn from a sliver can 2 through a so-called compressor 4 into the spinning box 5 of the rotor spinning device.
  • the arranged in the spin box 5 means for separating the fibers and their feeding into the spinning rotor 6 are known from the prior art and therefore not explained in detail.
  • Indicated is the drive of the spinning rotor 6, which consists of a machine running along the belt 7, with which all rotors of the installed on one longitudinal side of the spinning machine spinning stations are driven. Alternatively, however, are Single drives of the rotors possible.
  • the belt 7 rests on the rotor shaft 8 of the spinning rotor 6.
  • the thread 9 is formed, which is withdrawn through the thread withdrawal tube 10 by means of the take-off rolls 11. Subsequently, the thread 9 passes through a sensor 12, which is part of a so-called cleaner 13 for monitoring the quality of the thread 9. To detect a yarn error, the measured diameters are recorded in relation to the continuous yarn length. Upon detection of a yarn defect, for example, the rotation of the in FIG. 2 shown feed roller 27 stopped, thereby causing a thread break. From a yarn guide 14, the thread 9 is guided so that it is wound in cross-layers on a cross-wound bobbin 15. The cross-wound bobbin 15 is supported by a bobbin holder 16, which is pivotally mounted on the machine frame.
  • the cheese 15 lies with its circumference on the winding drum 17 and is driven by this so that the thread 9 is wound in cooperation with the yarn guide 14 in cross-layers.
  • the directions of rotation of the cheese 15 and the winding drum 17 are indicated by arrows.
  • the sensor 12 is connected via the line 18 to a local control unit 20 of the spinning station.
  • the control unit 20 is connected via the line 21 to a central computer 22 of the rotor spinning machine.
  • the stepper motor 23 of the feed roller is connected via the line 24 to the control device 25.
  • FIG. 2 shows details of the resolution of the sliver 3 in individual fibers.
  • the drawn-in by the compressor 4 sliver 3 is clamped between the clamping table 26 and the feed roller 27 and the fast rotating Opening roller 28 countershaft.
  • the feed roller 27 is connected via the drive connection 29 with the stepper motor 23.
  • the stepper motor 23 can be controlled via the line 24.
  • the direction of rotation of the opening roller 28 is indicated by the arrow 30.
  • FIG. 3 The basic structure of a feed roller control is in FIG. 3 shown schematically.
  • the diameter of the submitted yarn is measured.
  • the yarn mass could be determined.
  • the mass of a yarn section passing through the measuring region is measured, while a diameter mean value within the measuring region is determined during the optical measurement. Both measurements are equally suitable for the evaluation of the effect training. In the present example, however, the invention will be explained on the basis of the diameter determination.
  • the formation of the effect yarn is input or read into a schematically illustrated input device 31 and this data is transmitted to a yarn shaping unit 32.
  • the transmission is indicated by the arrow 33.
  • the data required for spinning on a rotor spinning machine are generated by means of yarn design software. These data include both the immediate effect related data that varies with the changing diameter of the yarn as well as the more basic setting of the rotor spinning machine relevant data. These are, for example, the rotor, take-off roll and opening roll speed as well as the selection of spin agents. While the latter are preferably retrieved from a table, the speeds are to be determined by appropriate algorithms. These algorithms are based on known contexts. This is, for example, the determination of the delay from the ratio of the speeds of the take-off rolls to the speed of the feed rollers or the rotations per meter from the rotor speed to the take-off speed and the associated constriction of the fiber structure.
  • the data generated in the yarn design unit 32 are transmitted via a bus system 34 to a central control device 35 of the rotor spinning machine.
  • the transmission can also be done alternatively with portable data carriers, such as a compact flash card.
  • the central control device 35 is connected to the central computer 22 via the data line 36.
  • the control device 25 includes the control of, for example, 24 stepper motors 23 of the respective feed rollers 27 via lines 24. All 24 winding units are of similar construction.
  • a control card 40 is connected by means of a connection device 39.
  • the data required for the production of effect yarn for controlling the stepper motors 23 are transmitted via a bus system 41 from the central control device 35 to the control card 40.
  • the control card 40 uses the data on the thickness and length of the effects and the Webs under adaptation to the other spin settings in control data for the stepper motors 23 for generating the rotational movement of the feed rollers 27 to.
  • the bus system 42 as a continuation of the bus system 41 required for the control of the stepper motors of the feed roller data to other control cards, not shown, which are connected to control devices of other sections of the rotor spinning machine, transmitted.
  • One of the other control devices is indicated by dashed lines.
  • the further control devices are constructed like the control device 25, have a same connection device and a connected same control card. Each further control device controls in each case the spinning stations of a section of the rotor spinning machine formed from 24 spinning stations.
  • the feed roller 27 transports more fiber material to the opening roller 28. As a result, more fiber material passes into the rotor 6 per unit time and the spun yarn becomes thicker.
  • the length of the thick spot depends on the duration of the increased fiber supply.
  • the diameter of the thick spot depends on the speed of the stepping motor 23 or the feed roller 27.
  • control device 25 is also controlled by the central computer 22, wherein it is specified via control command whether the control device 25 controls the production of effect yarn or the production of effect-free yarn.
  • the sensor 12 measures the freshly spun yarn and transmits the measured values to the yarn shaping unit 32, which is also provided with a display, not shown, in order to reproduce the current fancy yarn or to quantify deviations from the specification. If the appearance or the statistical description of the freshly spun yarn does not correspond to the specified formation of the effect yarn, further changes must be made. These changes may be due to the change in the effect parameters entered in the yarn design unit as well as the change in machine parameters that are typically to be input to the host computer 22.
  • control connections 44 are present on the central computer, which can lead, for example, to a control device 45 for the draw-off rollers 11 or a control device 46 for the spinning rotors 6, wherein the control devices 45 and 46 are formed, for example, by frequency converters.
  • a display 47 on the central computer also indicates the selected spinning means, which, as already mentioned, have a not inconsiderable influence on the formation of the effects.
  • Fig. 4 shows the representation of the effect yarn as a juxtaposition of measured values.
  • the sensor 12 continuously measures the yarn diameter D and transmits the measurement data for evaluation via the central computer 22 to the yarn shaping unit 32.
  • the yarn diameter D is in each case 2 mm yarn length registered.
  • One cycle represents a gauge length of 2 mm of yarn.
  • the curve 50 represents in the illustration of Fig. 5 starting from the left to the funct 51 the web diameter D ST . From the point 51, the curve 50 rises and passes at point 52 the value of the limit diameter D GR . At point 53, the predetermined yarn length L V1 has passed since reaching point 52.
  • the point 52 After registering a diameter increase of 15% at point 52 and exceeding the limit diameter D GR over the predetermined length L V1, for example, lasts for six cycles or 12 mm, the point 52 is defined as the beginning of the effect.
  • the curve 50 falls below the limit diameter D GR at the point 54.
  • the undershooting stops until the point 55 and thus over the predetermined length L V2 .
  • the effect length L E is determined. From the four largest diameters 56 within the effect, an arithmetic mean is formed.
  • the effect diameter D E is defined as this arithmetic mean.
  • the yarn cleaner 37 continuously determines whether the diameter values of the thread 9 detected by the sensor 12 originate from a region which is defined as a web 49 or as an effect 48.
  • the fluctuation width B S denotes the distance between the diameter of the effect 48 and the diameter of the web 49. If the diameter values of the thread 9 originate from a region which is defined as web 49, these diameter values are associated with the limit values associated with the web diameter D ST Limit RG STO and the limit RG STU compared. If the diameter values of the thread 9 originate from a region which is defined as an effect 48, these diameter values are compared with the limit values associated with the effect diameter D E , the limit value RG EO and the limit value RG EU .
  • the limits are selected so that exceeding them means an intolerable deviation.
  • An intolerable deviation triggers a change in the spinning parameters. For example, if an effect does not have the right dimension, because the thickness of this effect is too small, the fiber feed for the phase in which this effect is formed is increased by increasing the speed of the feed roller and thus the deviation from the predetermined Effect thickness reduced or eliminated.
  • the yarn cleaner 37 may be arranged so that either only deviations in web areas or only deviations in effect areas are taken into account alternatively.
  • the web length and the effect length can also be compared with predetermined lengths without exceeding diameter limits, and with the aid of length limit values it can be decided whether there are intolerable deviations.

Abstract

L'invention concerne un procédé qui améliore la conformité du filé fantaisie produit avec le motif prédéfini du filé fantaisie. Selon le procédé de l'invention, le filé fantaisie est conduit, après sa formation dans un métier à filer, à travers un dispositif de capteur et le diamètre du filé fantaisie est mesuré en continu au moyen du dispositif de capteur. Le motif fantaisie du filé produit est déterminé à partir des valeurs de mesure du diamètre et est comparé au motif fantaisie prédéfini. L'ajustement est exécuté jusqu'à ce qu'une conformité suffisante entre le motif fantaisie prédéfini et le motif fantaisie du filé produit optimisé soit atteinte.

Claims (13)

  1. Procédé de production d'un filé à effet fantaisie dans lequel la création d'un effet fantaisie est préétablie, sachant que ladite création d'un effet fantaisie n'est pas préétablie par un filé à effet fantaisie à motif et sachant que des données, générées sur la base de la création d'un effet fantaisie, sont représentatives de la création d'un effet fantaisie sélectionnée ; et dans lequel sont générés des réglages de filage fondés sur ces données,
    le filé à effet fantaisie étant guidé par un système de détection dans un dispositif de filage, à l'issue de sa formation, et au moins l'un des paramètres, constitué par le diamètre et la masse dudit filé à effet fantaisie, étant mesuré en continu au moyen dudit système de détection,
    sachant que les valeurs mesurées sont interprétées et que, sur cette base, la création d'un effet fantaisie du filé produit est déterminée et comparée à la création d'un effet fantaisie préétablie, caractérisé en ce que les réglages du filage sont modifiés jusqu'à l'obtention d'une concordance suffisante entre la création d'un effet fantaisie préétablie et la création d'un effet fantaisie du filé produit.
  2. Procédé selon la revendication 1, caractérisé en ce que les réglages du filage impliqués dans le processus d'adaptation mutuelle incluent également, outre les données directement corrélées à l'effet fantaisie et fluctuant avec le dimensionnement transversal changeant du filé, des données supplémentaires concernant le réglage de base du métier de filage, telles que la vitesse angulaire du rotor, la vitesse angulaire du cylindre ouvreur et le choix des moyens de filage.
  3. Procédé selon la revendication 2, caractérisé en ce que les réglages du filage sont stockés sur un moyen de mémorisation, à l'achèvement du processus d'adaptation mutuelle, en vue de la production réitérée du filé à effet fantaisie.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les données sont pourvues d'adresses et sont adressées aux unités de commande (22, 25, 35, 45, 46) respectivement prévues pour les opérations de commande correspondantes.
  5. Procédé selon la revendication 1, caractérisé en ce que la gamme d'effets fantaisie est déterminée par définition du début de l'effet fantaisie en conformité avec à un premier critère, et de l'achèvement dudit effet fantaisie en conformité avec un second critère ;
    en ce qu'un nombre de valeurs mesurées maximales, pouvant être fermement consigné, est établi entre le début et l'achèvement de l'effet fantaisie ;
    en ce qu'une valeur moyenne, représentative du dimensionnement transversal dudit effet fantaisie, est formée sur la base des valeurs mesurées établies ;
    et en ce que la longueur de l'effet fantaisie est déterminée sur la base du début et de l'achèvement dudit effet fantaisie.
  6. Procédé selon la revendication 5, caractérisé en ce que le dimensionnement transversal DST de l'âme est établi en vue de déterminer le dimensionnement transversal relatif des effets fantaisie.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce qu'une valeur moyenne arithmétique du dimensionnement transversal du filé est tout d'abord formée en tant que référence, sur la base d'une longueur de filé prédéterminée, en vue de déterminer le dimensionnement transversal DST de l'âme ;
    en ce que la valeur de référence est retranchée des valeurs individuelles dudit dimensionnement transversal du filé ;
    et en ce que ledit dimensionnement transversal DST de l'âme est ensuite formé, en tant que valeur moyenne arithmétique, sur la base de toutes les valeurs négatives qui ont été mesurées en avoisinant d'autres valeurs négatives.
  8. Procédé selon l'une des revendications 5, 6 ou 7, caractérisé en ce que le dimensionnement transversal DE de l'effet fantaisie est formé, en tant que valeur moyenne, sur la base des quatre dimensionnements transversaux maximaux entre le début et l'achèvement dudit effet fantaisie.
  9. Procédé selon l'une des revendications 5 à 8, caractérisé par l'instauration, en tant que premier critère, du dépassement d'une valeur limite DGR du dimensionnement transversal qui excède, d'une grandeur bien définie, le dimensionnement transversal DST de l'âme ; en ce que ledit dépassement est durable sur une longueur de filé prédéterminée LV1; et par l'instauration, en tant que second critère, du dépassement négatif de ladite valeur limite DGR, lequel dépassement négatif est durable sur une longueur de filé prédéterminée LV2.
  10. Procédé selon la revendication 9, caractérisé en ce que la valeur limite DGR est de 15 % supérieure au dimensionnement transversal DST de l'âme.
  11. Procédé selon la revendication 9 ou 10, caractérisé en ce que la longueur de filé prédéterminée est réputée atteinte lorsqu'il est satisfait au critère pour six valeurs mesurées se succédant mutuellement.
  12. Procédé selon l'une des revendications 5 à 11, caractérisé en ce qu'une valeur mesurée est saisie à raison d'un millimètre sur deux lors de la mesure du dimensionnement transversal de l'âme.
  13. Procédé selon l'une des revendications 1 à 12, caractérisé en ce que la modification, visant à obtenir une concordance suffisante entre la création d'un effet fantaisie préétablie et la création d'un effet fantaisie du filé produit, s'opère en tant que processus de régulation étayé par l'emploi d'algorithmes de régulation et de réglages du filage établis empiriquement, sous la forme de tableaux.
EP04804368A 2004-01-21 2004-12-29 Procede pour produire un file fantaisie Active EP1709222B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004003032A DE102004003032A1 (de) 2004-01-21 2004-01-21 Verfahren zum Herstellen eines Effektgarnes
PCT/EP2004/014782 WO2005071150A1 (fr) 2004-01-21 2004-12-29 Procede pour produire un file fantaisie

Publications (2)

Publication Number Publication Date
EP1709222A1 EP1709222A1 (fr) 2006-10-11
EP1709222B1 true EP1709222B1 (fr) 2012-05-23

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US (1) US7721519B2 (fr)
EP (1) EP1709222B1 (fr)
CN (1) CN1906341B (fr)
DE (1) DE102004003032A1 (fr)
WO (1) WO2005071150A1 (fr)

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CZ300469B6 (cs) * 2004-02-16 2009-05-27 Oerlikon Czech S.R.O. Zpusob podávání pramene pri výrobe efektní príze a sprádací jednotka k jeho provádení
EP2270494B1 (fr) 2005-11-18 2013-04-24 Uster Technologies AG Procédé pour caractériser des fils d'effet
US10246292B2 (en) * 2013-10-01 2019-04-02 Maschinenfabrik Rieter Ag Yarn clearer and spinning station, equipped therewith, of a spinning machine, and method for operating a spinning station
DE102014119380A1 (de) * 2014-12-22 2016-06-23 Rieter Ingolstadt Gmbh Rotorspinnmaschine mit einer Vielzahl von Arbeitsstellen und einer Absaugeinrichtung
DE102017112080A1 (de) * 2016-06-15 2017-12-21 Rieter Ingolstadt Gmbh Verfahren zum Optimieren der Produktion einer Rotorspinnmaschine

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CN1906341B (zh) 2010-07-07
CN1906341A (zh) 2007-01-31
EP1709222A1 (fr) 2006-10-11
DE102004003032A1 (de) 2005-08-11
US7721519B2 (en) 2010-05-25
WO2005071150A1 (fr) 2005-08-04
US20080243288A1 (en) 2008-10-02

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