EP0954625A1 - Carde avec systeme d'etirage a la decharge - Google Patents

Carde avec systeme d'etirage a la decharge

Info

Publication number
EP0954625A1
EP0954625A1 EP98900515A EP98900515A EP0954625A1 EP 0954625 A1 EP0954625 A1 EP 0954625A1 EP 98900515 A EP98900515 A EP 98900515A EP 98900515 A EP98900515 A EP 98900515A EP 0954625 A1 EP0954625 A1 EP 0954625A1
Authority
EP
European Patent Office
Prior art keywords
card
sliver
speed
sensor
drafting
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Withdrawn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
EP98900515A
Other languages
German (de)
English (en)
Inventor
Christian Müller
Jürg Faas
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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
Priority claimed from DE1997138053 external-priority patent/DE19738053A1/de
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0954625A1 publication Critical patent/EP0954625A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/06—Arrangements in which a machine or apparatus is regulated in response to changes in the volume or weight of fibres fed, e.g. piano motions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/64—Drafting or twisting apparatus associated with doffing arrangements or with web-dividing apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
    • D01G31/006—On-line measurement and recording of process and product parameters

Definitions

  • the invention relates to a Regu stretching unit, in particular but not exclusively for use at the outlet of the card.
  • the invention further relates to a card with a first sensor for detecting the mass of the fiber material emitted by the card, in particular the card sliver Sensor supplied signal is used to control the drive of the feed device of the card and with a downstream carding device downstream of the card, which is preceded by a tape storage
  • the card reacts much more slowly to such speed changes than is the case with the drafting system resulting Differences in the material delivery or material take-up are compensated for by the memory downstream of the card.
  • the memory is provided with sensors for monitoring the content of the memory.
  • the drive of the sliver source (card) and the sliver take-up device (sliver storage) is correspondingly based on the fill level determined by the sensors in the sliver storage changed in order to keep the level of the belt storage approximately constant.
  • this readjustment of these two drives again brings about additional differences, especially since the elements of the card (e.g. drum), in contrast to the elements of the belt storage, have different inertias.
  • an exact scanning of the storage contents must be carried out to be available
  • the invention provides a card with an adjustable drafting system at the outlet. Measured values for regulating the drafting system distortion are obtained on the warped sliver (measurement location at the drafting system outlet).
  • the drafting bodies ie the rotatable bodies that are driven at the higher speed) to create the distortion
  • body in this connection includes elements such as rollers, (disks), rollers and cylinders
  • the stretching bodies can be the outlet elements of the drafting system, so that the inlet bodies can be driven at a (constant) speed which corresponds to the outlet speed of the sliver from the card
  • the belt deposit can be driven according to one of the known working principles or according to an equal or better solution.
  • the second aspect of the invention deals with the problems that arise in this connection
  • the invention provides a card with a regulated drafting system at the outlet, measured values for regulating the draft at the inlet or at the outlet of the drafting system being obtained and the drafting being changed accordingly by changing the delivery speed also controlled as a function of the measured values, and preferably in such a way that the sliver piece between the drafting device outlet and the sliver feed inlet is not stretched above a predetermined limit
  • the invention is based on the object of creating a method or a device which serves to compensate for long-wave and short-wave mass deviations of the card sliver supplied by a card, whereby on the one hand the card speed can be kept at a constant value and on the other hand required storage elements can be kept as small as possible to compensate for different transport speeds ⁇ of the delivered sliver
  • This object is achieved in that the sensor between the card and the Reguher drafting system, which is used to control the drive of the feed device of the card, is arranged between the card and the Reguher drafting system and the base speed of the drive for the regulator extension can be changed on the basis of the signal from the sensor
  • the basic speed is the speed or the speed ratio between the individual pairs of rollers of the regulator stretching unit, which is set to warp the supplied card sliver in normal operation. Based on this basic speed, the control intervention is carried out by the roller pair, which is adjustable in speed, in order to avoid short-period fluctuations in the Compensate sliver mass As soon as the sensor downstream of the card emits a signal that the sliver mass is drifting over a long period of time, the base speed of the subsequent regulator drafting unit is changed accordingly will be kept at a level without having to change the delivery speed of the card and the full degree in the sliver storage can be kept at an approximately constant level nn This means that the removal speed at the card can be kept essentially constant and the required storage volume in the sliver storage can be kept small
  • the belt store be provided with a full-level sensor, the signals of which are also used to change the base speed of the drafting system.
  • This provides additional monitoring for the buffer zone between the card and the drafting system in order to carry out appropriate interventions.
  • the sensor in the tape store serves as To complement and at the same time also to monitor the first sensor at the outlet of the card.
  • a tolerance spectrum can be provided for the full-level sensor in order to prevent the base speed from continuously increasing and decreasing. That is, the control unit only generates a control signal for changing the base speed , if the signal is outside the specified tolerance range.
  • the speed of the input rollers of the drafting arrangement can be regulated to compensate for determined fluctuations in mass in the fiber material. This makes it possible to dispense with a buffer sector between the drafting arrangement and a subsequent sliver deposition.This means that any transport fluctuations that may occur in the sliver are generated by the control intervention relocated in front of the drafting system
  • the delivery rollers of the drafting system are connected in terms of drive to the drive of a downstream belt storage device.
  • the drive of the belt storage device is thereby automatically carried along when the base speed is reduced or increased, which always ensures constant conditions between the delivery cylinder of the drafting system and the calender rolls of the Tape storage are available
  • a further sensor be provided for detecting the fiber material emitted by the card, the signals of which are used for adjusting the regulating device of the drafting system
  • the first sensor is preferably arranged between the card and the band storage device. This makes it possible to intervene at an early stage to change the base speed of the subsequent regulator drafting unit in order to keep the transport speed of the carding band feed to the drafting unit approximately constant, although there is a long-term drift of the fiber mass This means that the sliver buffer located in the upstream sliver can be kept approximately constant. With this device, the sliver or the sliver can be kept small Furthermore, it is proposed that the further sensor be arranged between the belt store and the regulator drafting device or in connection to the drafting device. This sensor should be assigned as close as possible to the drafting device in order to keep any time delays between the measuring point and the regulating device as small as possible
  • FIG. 3 shows a schematic illustration of a card according to FIG. 1 or 2 with a drafting arrangement according to this invention, the basic elements of this drafting arrangement being shown in FIG. 3A,
  • FIG. 4 shows a schematic representation of a first variant according to FIG. 3 or FIG. 3A, FIG. 4A showing a detail of the stretching rollers,
  • Fig. 7 is a schematic representation in diagram form of the mass profile of the card sliver in connection with the adjusted speed curve of the drafting system
  • FIG. 1 schematically shows a revolving flat card 100 known per se, for example card C 51 from the applicant.
  • the fiber material is fed into the full shaft 102 in the form of disintegrated flakes, taken over by a licker-in 103 (also known as a “bender”) as a wadding template and forwarded to a drum 104 (also called "drum”) as largely opened and cleaned material.
  • the drum is driven so that it rotates about its own axis in the direction indicated by the arrow.
  • the fiber material forms on the cylindrical, with a Set (not shown) provided surface of the drum 104 a fleece, which is carded in the "main carding zone" (between the drum 104 and a traveling cover set 105), both short fibers and finer dirt particles are removed and nits are dissolved or removed.
  • the traveling covers are from a traction means and move around pulleys 106 opposite to the direction of rotation de r drum 104, or in the same direction
  • Fibers from the nonwoven fabric located on the drum 104 are removed from a take-off roller 107 and formed into a carding belt 109 in an outlet section 108 consisting of different rollers.
  • This belt is deposited by a belt deposit 110 in cyclopical turns in a transport can 111.
  • the belt deposit 110 can be its own Have ("autonomous") drive - see, for example, EP-A-671 355
  • a sensor B5 which is arranged on a feed trough 446B, detects the cross-sectional fluctuations of the incoming cotton pad. These correspond to the deflections of the pivotably mounted feed trough relative to the feed roller 446A.
  • the sensor B5, as shown in FIG. 2 supplies the computer 400 a cross-section-dependent signal 406
  • the electronics influence the drive motor 408 of the feed roller 446A and thus the delivery speed of the feed roller with the signal 407 via a control device
  • the further sensor B6 shown in FIG. 2 scans the card sliver that is running out and supplies an electrical signal 402, which is dependent on the sliver weight, to the regulation.
  • the card sliver leaving the cross-belt take-off is fed to the nip point of two step rollers by a funnel.
  • the lower roller is driven, the upper roller
  • the roller can be moved vertically by means of a spring-loaded lever. This roller is driven by the card sliver running out and the stroke of the roller or the distance between the axes of the two rollers corresponds to the thickness of the card sliver
  • FIG. 4 again shows the outlet section 108 of the card together with its drive 107 (schematic) and a frequency converter 106 assigned to this drive, which receives control commands from the computer 400 (FIG. 2).
  • a lower feed roller 422A of the Module 420A technically (e.g. via a suitable gear) connected to the outlet section 108 so that it is driven synchronously with the outlet of the card.
  • the term "roller” in this case refers to a disk-shaped body which is about an axis 434 or 436 (FIG. 4A ) is rotatably mounted and a length L in the axial direction is significantly smaller than the diameter.
  • the cylindrical surface of the roller 422A is provided with a groove 438, while the roller 424A has a corresponding flange 440.
  • the groove 438 and the flange 440 together form the clamping point 430 (FIG. 3A)
  • the sliver 109 is condensed by a funnel 104 (FIG. 4), introduced into the restricted space between the rollers 422A, 424A and further compressed therein.
  • the design of the rollers 422A, 424A shown in FIG. 4A is only an example listed - there are many alternative solutions known, which also enable compression at the nip
  • the rotations of the lower roller 422A k can be transferred to the upper roller 424A by a suitable means (see e.g. EP-A-417 614)
  • the stretching rollers 426A, 428A can also be formed according to FIG. 4A, the lower roller 426A being driven by the controllable motor M (cf. FIG. 3A) at a variable speed in order to have a linear speed which is variable relative to the outlet section 108 in the gill point 432.
  • the motor M is assigned a drafting controller 42 and a servo device 44.
  • the controller 42 receives signals from a first sensor 46, which senses the speed (linear speed) of the feed roller 422A, and from a measuring device 48, which measures the "weight" of the sliver supplied the latter device (sensor) will be dealt with in more detail below.
  • the controller 42 is also given a setpoint value for the strip weight via the input SW.
  • the controller 42 can be integrated in the computer 400 (FIG. 2) and operated via the console
  • a setpoint Ds for the speed of the stretching rollers 426A, 428A is determined in the controller 42 and forwarded via line 50 to the servo device 44.
  • the setpoint Ds is determined according to a predetermined control algorithm, so that the speed the stretching rollers (quas ⁇ ) is continuously changed in relation to the speed of the input rollers in order to counteract the deviations of the sliver weight from the nominal value
  • the device 48 could be provided after the pair of rollers 426A, 428A and thereby be formed as a sensor which is "directly" influenced by the sliver.
  • One possibility would be, for example, a funnel which pneumatically emits a signal dependent on the sliver weight, or a capacitive measuring sensor
  • the device is designed as a displacement sensor, which responds to the lifting of the upper roller 428A (compared to the lower roller 426A) as a function of the amount of fiber substance in the measuring space between these rollers.
  • the measured values refer to the end product and can be displayed as end product data (sliver weight, quality data)
  • control parameters are much easier to set than those of an "open loop” control (eg) according to EP-A-643160
  • the wavelengths that can be influenced are somewhat larger than those that can be influenced by an "open loop" control - but this is not of critical importance on the card, especially if the card itself is equipped with a short-wave regulator
  • FIG. 5 shows a second variant of the drafting module 420 with a pair of input rollers 422B, 424B and a pair of output rollers 426B, 428B.
  • the reference numerals 105, 106, 107, M, 44, 46 and 48 refer to the parts which were indicated by the same reference numerals in FIG. 4
  • the regulator is indicated in FIG. 5 by the symbol 42A, because in this variant it has to perform an additional function, as explained below.
  • the measuring device 46 in this case, however, does not respond to the belt weight in the outlet roller pair but in the inlet roller pair 422B, 424B, which enables "open loop" control of the draft in the VF field
  • the control algorithm in controller 42A must accordingly include a time delay in order to take into account the path of the not yet warped fiber sliver between the measuring point in the clamping point 430 (FIG. 3A) and the "virtual delay point" in the field VF. This path is both from the distance of the clamping points 430 , 432 as well as depending on the average stack length of the material to be processed
  • FIG. 5 also schematically shows a spinning or transporting can 111 which is filled in the belt storage 110 (FIG. 3), and a drive motor 52 with its own frequency converter 54 for the belt storage.
  • the motor 52 is used to drive all the other movable elements (not shown) of the sliver reel.
  • the connection to the rollers 56 is important because the linear speed of the sliver at the nip point of this roller pair causes the distortion in the "free" belt piece 109A between the Drafting unit module 420B and the belt storage device determines
  • the further delay up to the storage point within the belt storage device is largely dependent on mechanical couplings between parts of the belt storage device and is therefore easier to control
  • the distribution of the total distortion between the card itself and the sliver can now largely be determined by the controller 42A, for which it has two further setpoint inputs, namely a GVs for the basic distortion of the drafting unit 420B and a second GVb for the basic distortion between the drafting unit and the Calendar rollers 56
  • the setpoint GVs enables the determination of a base speed for the lower stretching roller 426B (and the determination of a corresponding base speed for the output shaft of the motor M).
  • the setpoint GVb effectively now indicates the speed at which the driven roller of the pair of rollers 56 must rotate, if the speed of the roller 426B is determined in accordance with the setpoint GVs, for example when the machine is running but no sliver is being delivered.
  • the current effective speed of the roller 426B is not (solely) determined by the basic distortion (setpoint GVs), rather it is (quas ⁇ -) continually changed compared to the basic speed as a function of the detected deviations in the sliver weight.
  • the question is, how then does the Drive for the tape storage '? If the speed of the calendar rollers 56 was kept constant, it would in principle be possible to reintroduce the weight errors compensated in the drafting device 420B between the drafting device and the tape deposit into the sliver piece 109A. On the other hand, it is not possible to avoid warping by making the tape deposit synchronous with the Outlet rollers 426B, 428B of the drafting system is driven, because the inertia of the belt deposit exhausts this
  • the control algorithm in the controller 42A contains a time delay component, ie the change in the speed of the roller 426B to be carried out is "known" to the controller before this change is made.
  • the controller 42A also overrides the speed of the calendar rollers 56 the motor 52 It is therefore possible to "pilot" the motor 52 in relation to the motor M in such a way that the instantaneous speed difference at the relevant clamping points deviates minimally or at least only within predetermined tolerances from the aforementioned "basic difference" GD.
  • the short-wave interference caused by the drafting system 420 are compensated, have an approximately stochastic course, so that they vary by an average value. It is therefore possible to maintain a predetermined average distortion, for example 5%, between the drafting system and the belt deposit
  • the same arrangement can in principle be used in an embodiment according to FIG. 4, where it reduces the requirements for the storage function or for the elasticity of the sliver. As a result, the stress on the piece of tape 109A can be kept within limits.
  • the second aspect of the invention has major advantages in an embodiment according to FIG. 5
  • FIG. 6 shows a card 1, which is provided with a drum 2.
  • the fiber material supplied via a schematically shown feed shaft 5 reaches the drum 2 via a feed roller 6 and a bender 3.
  • a feed trough 7 is arranged above the feed roller 6.
  • the feed trough 7 can , as known per se, be arranged to be movable and at the same time serve as a sensor for detecting material irregularities with respect to the quantity of material supplied. Using this signal, the supply of the material can be controlled from the feed shaft
  • the fiber fleece transported and further required by the transport rollers 8 is delivered to a cross conveyor belt 9.
  • a fiber band F is formed to form this fiber band F, which has to be deflected at the end of the cross conveyor belt 9 , deflection aids, not shown, or funnel elements are used.
  • the sliver F also called card sliver
  • a sensor 10 determines the sliver mass (actual value) and outputs it to a control unit S via a line L1 essential for capturing of long-wave changes, or for the detection of drift in the sliver mass from a predetermined target value on the basis of the actual signal emitted by the sensor and in comparison with a target value stored in the control unit S, if necessary, a control pulse is generated which is transmitted via the line L7 is transferred to the drive 20 of the feed roller 6 for control.
  • This readjustment of the drive 20, or the change in the speed of the feed roller 6, allows the mass deviations determined by the sensor 10 to be compensated for with a time delay
  • the sliver F passing through the sensor 10 arrives in a schematically illustrated sliver store 11, which serves as a buffer sector for the sliver to compensate for differences in the sliver's conveying speed between the delivery of the card and a subsequent regulator drafting device 13.
  • the sliver store 11 is provided with a monitoring sensor 18 , which emits a signal to the control unit S via the line L2.
  • a sensor 12 Before the fiber sliver F emitted from the memory 11 arrives in the regulator stretcher 13, it is scanned by a sensor 12, which sends the values determined thereby to the control unit S via line L3 ⁇
  • the drafting system 13 consists of three roller pairs 14, 15 and 16 connected in series, the input roller pair 14 being variably driven in speed in order to compensate for mass fluctuations in the fiber sliver.
  • the delivery roller pair 16 is driven by a main motor 25 and a subsequent gear 26 with a constant speed Speed driven As indicated schematically by the drive train 27, the middle pair of rollers 15 is also driven at a constant speed and has a constant speed ratio to the subsequent delivery rollers 16. The predetermined speed ratio results in a constant warping of the sliver between the roller pairs 15 and 16 carried out.
  • the motor 25 is controlled via a frequency converter 24 and via the line L6 by the control unit S.
  • a differential gear 28 is driven, which drives the input roller pair 14 via the drive train 31 t
  • the differential 28 can be driven by a control motor 29, which is controlled via the frequency converter 30 and the line L5 via the control unit S, is overridden. This override is carried out on the basis of the signals emitted by the sensor 12, which are compared with a setpoint value stored in the control unit S.
  • a can deposit KA in which the fiber sliver F1 emitted by the drafting unit is deposited into a can K via a pair of calender rollers 34 and a funnel wheel T.
  • the can K stands on a driven can plate B which carries the can K set in rotation during the filling process.
  • the can plate B is driven by a gear 36 via the drive path 38.
  • the calender rollers 34 and the hopper wheel T are also driven by this gear 36 via the drive paths 40 and 39.
  • the gear 36 is driven schematically by the Shown fixed drive connection 35 of the transmission 26, which is driven by the main motor 25.
  • the delivery roller pair 16 with the drive elements of the can tray KA are firmly coupled to one another directly via the transmission 26. That is, as soon as the transmission 26 is driven by the motor 25 driven at a lower speed decreases on the one hand the base speed of the roller pairs 14, 15 and 16 and on the other hand the speed of the calender rollers 34 of the hopper wheel T and the can plate B of the can tray KA
  • the sliver F formed and supplied by the card 1 via the transverse conveyor belt is detected by a sensor 10 and its mass is measured.
  • the measured values are transmitted to the control unit S, in which they are compared with a target value, the actual value determined thereby deviates from the target Value, on the one hand a control signal for readjusting the speed is given to the drive 20 of the feed roller 6 via the line L7.
  • this signal is also used for the readjustment of the base speed of the motor 25, in order to have the expected effects from the control intervention in the regulator stretcher 13 already compensate so that it does not have any significant influence on the full degree of the upstream band store 11.
  • This can also be an additional signal for adjusting the base speed Signal from the full-level sensor of the tape storage device can be used.
  • the control can be set so that the signal from the full-level sensor is only used to influence the base speed if it is outside a specified tolerance range.This provides additional security with regard to the function of the first sensor at the outlet of the card If the signal from the full-level sensor is continuously outside its specified tolerance range, the function of the first sensor must be checked.As the control intervention in the feed roller 6 only takes effect relatively late and after a delay, the deviation determined by the sensor 10 must be observed the mass of a target value can be fully compensated for by the subsequent Reguher drafting unit 13
  • the feed speed of the sliver F supplied is also reduced since the card or the take-off roller with constant Ge speed is operated, the original delivery speed of the sliver from the card remains the same.
  • the difference that arises between the delivery speed of the card and the changed drawing-in speed of the sliver at the drafting device 13 is absorbed by the sliver storage 11, i.e. the excess amount of sliver F fills the Sliver storage 11 until the same relationship between the carding dispensing speed and the drawing speed are present at the drafting system This compensation can then be brought about again as soon as the control intervention in the feed roller 6 produces its effect on delivery to the card.
  • the sliver storage 11 only has to compensate for the short-wave control inputs, the long-wave deviations being compensated for by changing the base speed of the motor 25 As an additional monitoring aid
  • the deflections caused by the short-wave excitation were not shown in the curve of the roller 14.
  • the speed of the drive elements of the can tray is reduced synchronously, whereby the speed ratio between the delivery roller 16 and the calender rollers 34 is maintained.
  • This compensation of the long-wave drifting of the sliver mass can be carried out relatively gently and slowly, so that the tracking of the Relatively, elements of the KA canister tray pose no problems
  • FIG. 6 could be modified according to FIG. 4 and / or FIG. 5.
  • a drafting arrangement 13 (FIG. 6) with the draft control in the inlet
  • a drafting arrangement 420A according to FIG. 4 could be used, the basic speed of this drafting arrangement also being indicated by a Sensor 10 at the outlet of the card is influenced.
  • the drive of the tape storage unit KA (FIG. 6) could also be measured Fig. 5 are influenced because it is no longer meaningfully coupled to the outlet of the drafting system

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

Une carde est munie, à la décharge, d'un système d'étirage à régulation. Les valeurs mesurées pour la régulation du système d'étirage sont obtenues sur le ruban de fibres étiré. La réception du ruban peut être pré-contrôlée par rapport au système d'étirage, afin de maintenir dans des limites déterminées, la contrainte du ruban de fibres entre le système d'étirage et la réception du ruban. L'invention a pour but de réaliser de façon simple et économique, un réservoir de ruban de fibres (11) de faibles dimensions, positionné en amont du système d'étirage à régulation (13) et de pouvoir agir, au moment voulu, sur des déviations de grande amplitude dans la masse (m) du ruban de fibres fourni. A cet effet, l'invention est caractérisée en ce qu'un détecteur (10) est disposé entre la carde (1) et le système d'étirage (13), et en ce que la vitesse de rotation de base (U14) du dispositif d'entraînement (25, 26) du système d'étirage (13) est modifié en fonction du signal émis par le détecteur (10).
EP98900515A 1997-01-23 1998-01-23 Carde avec systeme d'etirage a la decharge Withdrawn EP0954625A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH15397 1997-01-23
CH15397 1997-01-23
DE1997138053 DE19738053A1 (de) 1997-09-01 1997-09-01 Karde mit Bandspeicher und Regulierstreckwerk
DE19738053 1997-09-01
PCT/CH1998/000022 WO1998032903A1 (fr) 1997-01-23 1998-01-23 Carde avec systeme d'etirage a la decharge

Publications (1)

Publication Number Publication Date
EP0954625A1 true EP0954625A1 (fr) 1999-11-10

Family

ID=25683679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98900515A Withdrawn EP0954625A1 (fr) 1997-01-23 1998-01-23 Carde avec systeme d'etirage a la decharge

Country Status (2)

Country Link
EP (1) EP0954625A1 (fr)
WO (1) WO1998032903A1 (fr)

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DE59904738D1 (de) † 1998-05-13 2003-04-30 Rieter Ag Maschf Textilmaterial verarbeitende maschine mit einem streckwerk
IT1302705B1 (it) 1998-10-20 2000-09-29 Marzoli & C Spa Dispositivo e procedimento perfezionato per la raccolta del velo edel suo stiro in forma di nastro all'uscita di una carda.
IT1302707B1 (it) * 1998-10-20 2000-09-29 Marzoli & C Spa Dispositivo e procedimento perfezionato per la raccolta e lo stiro delvelo nel gruppo di uscita di una carda.
CN102704054B (zh) * 2012-05-29 2014-10-08 河海大学常州校区 基于时间序列挖掘的梳棉机智能匀整系统及其方法
DE102015106415A1 (de) * 2014-12-13 2016-06-16 Trützschler GmbH + Co KG Textilmaschinenfabrik Verfahren und Vorrichtung zum Beschicken einer Anlage mit Fasern
DE102017124562A1 (de) 2017-10-20 2019-04-25 Maschinenfabrik Rieter Ag Textilmaschinenverbund mit einer Bandspeichereinheit zum Zwischenspeichern von Faserband
CN117987973A (zh) * 2019-09-20 2024-05-07 瑞法诺(苏州)机械科技有限公司 一种气压匀整棉箱

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