CN1145421A - Combining machine - Google Patents

Combining machine Download PDF

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Publication number
CN1145421A
CN1145421A CN96107239.3A CN96107239A CN1145421A CN 1145421 A CN1145421 A CN 1145421A CN 96107239 A CN96107239 A CN 96107239A CN 1145421 A CN1145421 A CN 1145421A
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CN
China
Prior art keywords
signal
combing machine
combing
sliver
drafting system
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Granted
Application number
CN96107239.3A
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Chinese (zh)
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CN1077156C (en
Inventor
A·于尔格
C·格里斯哈默
G·布伦内克
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication of CN1145421A publication Critical patent/CN1145421A/en
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Publication of CN1077156C publication Critical patent/CN1077156C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01GPRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00Combing machines
    • D01G19/04Combing machines with pinned cylinders, e.g. rectilinear

Abstract

A combing machine comprises a plurality of combing heads; each combing head is provided with a cotton roller (1) and is used to supply combed single slivers to a conveying table (6). A deflecting roller (4) is arranged on the conveying table (6) to connect the single slivers into bundles (5), and then the bundles (5) are drafted in a drafting system. The drafted slivers (12) are guided through a sensor (13) which sends signals indicating the thickness of the slivers (12) to a processor (14). The signals are specially processed in the processor (14). At least one processed signal is compared with a preset fixed valve (15) in controllers; one drive signal is transmitted to the combining machine by each controller.

Description

A kind of combing machine
The present invention relates to a kind of as described combing machine of claim 1 beginning.
Known following combing machine.Combing head wherein has a nipper device usually, and this nipper device can be infeeded the lap for the treatment of combing and can move back and forth between a back-end location and a front position.On back-end location, the fore-end of a lap is closed and gripped towards the circle comb of a rotation to the nipper device.After this, the nipper device moves to front position and opens, and the fibre bundle front end that is combed out by circular comber is placed on the velvet-like rear end part of the previous combing that forms, and the velvet-like part of combing is fed back by the detaching roller reverse rotation.After this, detaching roller rotates forward, thereby will separate in the lap of fibre bundle from be placed on the nipper device and itself and combing is velvet-like partially mixed.This process is referred to as soft soldering.
The velvet-like part that forms in the combing head is molded into the single head sliver by the funnel of separating of the defeated hair of the curtain formula platform that leads.These single head slivers obtain deflection on transport platform, enter drafting system as the sliver bundle that is parallel to each other.The sensor device that will be used for METHOD FOR CONTINUOUS DETERMINATION combing machine sliver fineness degree or yarn beam quality usually is placed on (maybe may be placed on before the drafting system) after the drafting system.For example, can from file EP-A-0376002, know this device.
Known this purpose sensor device that satisfies is measured the fineness degree of combing machine sliver and is calculated a kind of average value signal and a kind of fluctuation signal by the discrete fineness degree value of measuring in short interval.For example, it is short at interval corresponding to the movement locus of a sliver in one centimetre of size or a few microsecond interval.The average signal representative is sliver fineness degree value in long interval.Fluctuation signal is represented the discrete fineness degree value measured, as the change at long numerical value of measuring at interval.The fluctuation of a series of sliver fineness degree values also can be calculated by discrete fineness degree value.Long interval may be equivalent to a sliver in the 100m size movement locus or be equivalent to one minute time period.
After this can each average value signal and/or fluctuation signal and a fixed value be made comparisons with a comparator device, in the known combing machine described in claim 1 beginning, when the irrelevance of average value signal and fluctuation signal and each fixed value surpasses a certain predetermined limits, can close combing machine with a kind of output signal of comparator device.
An object of the present invention is, the setting of combing machine as claimed in claim 1 can make the fineness degree of combing machine sliver remain unchanged in overall process as far as possible.
The combing machine of reached this purpose described in the invention is characterised in that the part that its comparator device is at least one controller, this controller is used to be at least combing head parts and produces at least one driving signal, and this comparator device is a part of the drafting system of above-mentioned device that is used to mix or combing machine simultaneously.
The driving signal that is sent by so one or more controllers can influence a plurality of different parts in the combing machine, thereby the combing machine sliver fineness degree of producing is remained unchanged in operation automatically.For example, these parts can be, the drive unit of nipper device (as CD-ROM drive motor) in the combing machine is (as changing separating distance, the i.e. front position of this nipper device), be installed in the drive unit (change and feed) of feeding in the nipper device to cylinder to length, the drive unit of detaching roller in the combing head (changing disengaging time and/or separation length and/or separating rate and/or soft soldering distance), the adjusting device of top comb in the combing head (changing the syringe needle penetration depth), the drive unit of drafting system or adjusting device (changing the size of drawing-off and/or the load of distance or drafting system cylinder), and the adjusting device (changing the path of single head sliver) that is used for the deflection belt pulley of single head sliver on the transport platform.For influencing combing process, also can be by adjusting the low pressure of blowing plant to combing head waste material suction.A major reason of combing machine sliver fineness degree generation short-term fluctuation (through having from some centimetres to the long fluctuations of number metric wave in the combing machine sliver of drawing-off) betides the process of separation and soft soldering.By influencing the drive unit of separation barrel, can successfully reduce to this short-term fluctuation minimum.As, can the long-term fluctuation of combing machine sliver fineness degree be compensated by the drive unit (changing the size of drawing-off) that influences drafting system.The preferred embodiments of the present invention are described in dependent claims.
In conjunction with the accompanying drawings the embodiment of the invention is done more detailed explanation, wherein
Fig. 1 is the schematic top view of a combing machine several portions;
Fig. 2 is the front-view schematic diagram of Fig. 1;
Fig. 3 is the vertical cross section by a combing head several portions of this combing machine;
Fig. 4 is the diagrammatic sketch by the shaping combing machine sliver fineness degree of a sensor device mensuration of combing machine;
Shown in Figure 5 is the fluctuation of the combing machine sliver fineness degree shown in a series of Fig. 4, and
Fig. 6 is the diagrammatic sketch of the detaching roller crankmotion of combing machine.
Combing machine as depicted in figs. 1 and 2 comprises eight combing heads of delegation, as, each combing head all has a lap roller 1, and provide a kind of single head sliver 2 that forms by fibrous material through combing, each single head sliver 2 is sent to a transport platform 3, and carry out deflection by a deflection roller 4, thereby make them move to a drafting system 6 in parallel to each other and form a bundle 5 from this.Figure is shown with three pairs of rollers 7,8,9 of drafting system, and they continue to rotate by drive unit 10.
Place fibre-condensing conduit 11 in the outlet of drafting system 6, the sliver 12 that it will make near cylindrical through the sliver or the velvet-like part of drawing-off.This cylindrical combing machine sliver 12 passes sensor device 13 by a measurement funnel, measures the electronic signal that funnel constantly sends reaction combing machine sliver fineness degree.This signal is provided for processor 14.
The at first process processing in processor 14 of the signal of expression sliver 12 fineness degrees.Form a kind of average value signal of representing sliver fineness degree mean value.Second signal produces, and is used for calculating the percentage that departs from of current sliver fineness degree and mean value.Sort signal, the irrelevance of promptly current sliver fineness degree and mean value do is illustrated as the length L of about 20m of sliver 12 in Fig. 4.In addition, instantaneous sliver fineness degree di for example measured in about 1cm (0.5cm to the 2cm) interval through the sliver of drawing-off of (1 to 10 microsecond or 3 to 6 microseconds) or edge in several microseconds in the short time period, thereby calculated rate of change CV = Σ i - 1 n ( d 1 - d o ) 2 ( n - 1 ) . d o 2 For 100 meters distance on 10 to 100 seconds intervals or the sliver 12, the quantity of sample is greatly about 10 4Within the scope.In addition, might measure the fluctuation of a series of sliver fineness degrees.This class series, the fluctuating range of the wavelength X that promptly fluctuates in its rear region, as shown in Figure 5.
Processor 14 at least also comprises a controller.One comparator device constitutes the part of this controller or each controller.The comparator device can be with above-mentioned signal, i.e. the mean value do of sliver fineness degree and/or rate of change CV and/or a series of sliver fineness degree fluctuation part of series (or should), and the same predetermined fixed value that provides by line 15 is compared.This fixed value can be the predetermined threshold value of amplitude size, for example, and shown in Fig. 5 example.This means that the soft soldering process must regulate like this so that the soft soldering position can the value of breaking bounds.According to result relatively, produce one on each controller online 16 and drive signal and be used for the parts of each combing head or adjusting device or drafting system 6 and/or its drive unit 10 of the deflection roller 4 on the transport platform.
Outside sensor 13, also another sensor 13a (being represented by dotted lines) can be installed before drafting system 6, sensor 13 is measured the fiber quality that infeeds drafting system 6, and signal is sent into processor 14.So processor 14 compares with respect to a fixed value.End value (with the irrelevance of fixed value) relatively is treated to control signal, thereby intervenes the drive system of drafting system 6 in the mode of regulating.In this mode, if a control device is housed, adopt control method on drafting system, the short-term fluctuation that compensation infeeds fiber number is very likely.Specifically, use sensor 13a detects the sliver damage and its initial corresponding measurement is possible.Also the combined signal of sensor 13 and 13a can be got up, to form the control signal that control is intervened.This type of measurement and control system actual and patent documentation (as, all behave in EP-A1412488) and know, therefore further start a hare.
The parts of combing head as shown in Figure 3, it summarily demonstrates the vertical cross section of a combing head.The combing machine mounting is equipped with 20, one circle combs of tongs plate axis axle 21, is loaded with lap roller 22, separation barrel 23 and the pulling roll 24 of lap arbor 1.Tongs plate axis 20 has nipper arm 25, and nipper arm 25 connects the rear end of a nipper plate mounting 26.In operation, tongs plate axis is by drive unit 27, and for example, an external gear moves before and after driving on pivot, and drive unit 27 only is expressed as a square frame briefly at this, and nipper plate mounting 26 is moved between its anteposition and position, back.On the back-end location of nipper plate mounting 26, the nipper device that comprises a nippers 29 that is had by top nipper arm 28 is closed, the fore-end of the lap 30 from the lap roller 1 under the unwinding is tightly clamped between a nippers 29 and a nipper plate, and is combed out by a circle comb section part 31.Circle comb section part 31 is installed on the circle comb axle 21, and circle comb axle 21 drives rotation continuously by drive unit 32.After this, nipper device 26,28,29 moves and opens to above-mentioned forward end, the forward end of the fiber suede bundle that is combed out by circle comb section part 31 is placed on the rear end part of the velvet-like part 33 of combing of previous formation, and the velvet-like part 33 of combing feeds back to rotation by the back of separation barrel 23.
As shown in Figure 6, separation barrel 23 is by a drive unit 34, and preferably a servo motor drives and does intermittently paces formula motion.Fig. 6 has shown when circular combing axle 21 rotates, the track of a point on the circumference of one of separation barrel 23.When the circle comb axle anglec of rotation was 0 °, nipper plate 26 was in position, its rear end (not shown).When rotating to 90 °, 23 of separation barrels have rotated seldom.Roughly at the A place, separation process from separation barrel 23 counter-rotatings to start with.After reverse rotation, the nipper device--as above-mentioned, arrive its front position and the noil bundle is placed the rear end part of the velvet-like part 33 of feedback.This moment, separation barrel 23 rotated forward to catch fibre bundle, and it is separated from being placed in the lap 30 in the nipper device 26,28,29.It passes the top comb 35 that is installed on the nipper plate mounting 26 tractive, and it is mixed with velvet-like part 33.This process is called soft soldering.Among Fig. 6, tangent line t is shown in the curve movement part, represents the forward direction rotation; The gradient of tangent line t is corresponding to the speed of separating.Double-head arrow a represents separation length, and double-head arrow 1 expression soft soldering distance is promptly with the distance of follow-up soft soldering technology.
Above-mentioned value, i.e. the starting position A of separation process, separating rate (t), separation length a and soft soldering distance 1 all can influence the fluctuation of the fineness degree of mean value and/or combing machine sliver 12.Sequence from Fig. 5 wavelength X fluctuation that is roughly the wavelength of 50cm as can be seen can have relatively large amplitude.Approximately the wavelength of 50cm is corresponding to the soft soldering distance 1 of about 30mm, and the drawing-off in the drafting system at this moment is roughly 16.Because soft soldering can be eliminated by controlledly changing one or several above-mentioned value with relative stronger fluctuation that these fluctuations cause.Therefore, the drive unit 34 of at least one controller separation barrel 23 in the preferred embodiment of the present invention in controller or the processor 14 (Fig. 2) sends a kind of driving signal.If drive unit 34 is mechanical driving devices, then drives the adjusting device that signal can drive parts of this transmission device, thereby change the starting position A (Fig. 6) of separation process.However, drive unit 34 is preferably a servo motor, make thus to drive the feed unit that signal can be controlled this servo motor, thereby the original position A of change separation process or separating rate (t) or separation length a or soft soldering is apart from l.
Leaving the velvet-like part 33 of separation barrel 23 is further transported by pulling roll 24.A funnel makes each velvet-like part 33 form a single head sliver 2, and single head sliver 2 runs to transport platform 3.
On transport platform 3, single head sliver 2 is deflected roller 4 deflections, and is added into bar bundle 5.Single head sliver in the bar bundle 5 since soft soldering cause irregularly be not in same position, but the ground displacement that on longitudinal direction, can interrelate.The different paths on the transport platform 3 are depended in its displacement.Deflection roller 4 that can enough adjustings were equipped with changes the path length of each single head sliver 2, thus in bar bundle 5 (and therefore also behind the drafting system 6 in the sliver 12 of drawing-off), obtain the corresponding compensation of the irregular distribution of single head sliver.Controller in controller or at least one processor 14 can send one and drive signal, and the drive adjusting device (not shown) is regulated part or all of deflection roller 4.
The change in long term of the fineness degree of the sliver 12 of combing machine (representing with the average value signal that produces in the processor 14) can compensate with the easiest a kind of method, promptly changes the drawing-off size of drafting system one by one.In a preferred embodiment of the invention, at least one controller in controller or the processor 14 sends a kind of driving signal to the drive unit 10 of drafting system 6.Drive signal with this, can control the rotary speed of a pair of roller 9 in front, also may also can control center roller in the drafting system 6, average fineness degree and predetermined fixed value through the sliver 12 of the combing machine of drawing-off almost are consistent 8 speed.Drive signal and can control feed unit, as, to the device of the servo motor power supply that drives the drafting system roller.
As mentioned above, processor 14 is measured and sent to short-term fluctuation by another sensor 13a that is attached to the drafting system inlet, with the drive unit of control drafting system.Also the signal of sensor 13 and 13a can be made mixed signal.This mixed signal can be used as the foundation of the drive unit of intervening other parts of combing head (as the separation drive unit of detaching roller).
The driving signal that is sent by one of controller or processor 14 middle controllers also can be controlled other parts of combing machine, and purpose is the fineness degree of the combing machine sliver 12 that sensor device 13 measures to be changed or fluctuation reaches minimum.
Therefore, illustrate, can use tongs plate axis 20 accessory drives 27, thereby change the front position of nipper plate mounting 26, and separating distance (separating distance on the front position of nipper device, its spacing is the jaw line on from the jaw line on the nipper plate to adjacent (rear portion) separation barrel 23).
The one driving servo motor of feeding to cylinder is arranged in nipper plate mounting 26, and its power supply can be controlled, and feeds to numerical value thereby change.Should feed to value is the path that promotes to import lap 30 in the reciprocating motion of feeding each nipper device 26,28,29 of giving cylinder 36 of intermittently rotation.
Can change the syringe needle penetration depth of top comb in the fibre bundle that separates through separation barrel 23 with the adjusting device of the top comb 35 in each combing head on the drive nipper plate mounting 26.
The axis adjustment device of drafting system roller 7,8,9 can drive with the driving signal, thereby changes the distance between the axle.
The combing process also adjusting device of available blowing plant influences, and this blowing plant produces the low pressure that is used to attract, spermiation comb waste material and its impurity side by side altogether.In addition, also available this method affect soft soldering process.

Claims (7)

1. a combing machine has some combing heads, is used to provide a kind of single head sliver (2), and each single head sliver (2) is made by the fibrous material through combing; Has the device (3,4) that is used for single head sliver (2) is connected to a rule bundle (5); Has a drafting system (6) that is used for the drawing-off of bar bundle; Have device (11) the bar bundle after the drawing-off is made a combing machine sliver (12); Have a sensing device (13,13a), be used for continuously determining the fineness degree of combing machine sliver (12) or the quality of bar bundle (5); And has a comparator device, be used at least one output signal and predetermined fixed value of handling especially through this sensor is made comparisons, this combing machine be characterized as the part that the comparator device is at least one controller, this controller is at least one parts (27; 32; 35; 36; 4; 6; 10) produce at least one and drive signal (16), the comparator device is a part of above-mentioned hookup mechanism (3,4) or combing machine drafting system (6,10) simultaneously.
2. a kind of combing machine as claimed in claim 1, wherein the signal of sensor (13) forms fluctuation signal through handling, this initiating signal is illustrated in the change of the quality measurement of combing machine sliver (12) fineness degree measured in the predetermined space or bar bundle (5), or represent the fluctuation of a series of these fineness degrees or quality, in this combing machine, the comparator device is compared this fluctuation signal with a predetermined fixed value, it is characterized by the part that the comparator device is a controller, this controller is used to a drive unit to produce a kind of driving signal, and this drive unit is used at least one separation barrel that is positioned at each combing head.
3. a kind of combing machine as claimed in claim 2, the driving signal that it is characterized by the drive unit at least one following numerical value reliable separation cylinder is regulated, driving signal is produced by the controller of being controlled by fluctuation signal, these numerical value have: initial (A) of separating technology, separation length (a), separating rate (t), soft soldering distance (l).
4. as claim 2 or 3 described a kind of combing machines, the drive unit that it is characterized by separation barrel has a servo motor.
5. as arbitrary described a kind of combing machine in the claim 1 to 4, wherein adjustable deflection roller (4) is positioned on the transport platform (3), the single head sliver (2) that this transport platform is used for being flowed out by combing head is to drafting system deflection, and in this combing machine, through sensor device (13, a kind of fluctuation signal of the treated formation of signal 13a), it is illustrated in the change of the quality measurement of the fineness degree of the combing machine sliver of measuring in the predetermined space (12) or bar bundle (5), or represent the fluctuation of a series of these fineness degrees or quality, in this combing machine, the comparator device is compared this fluctuation signal with a predetermined fixed value, it is characterized by this comparator device is a part that produces a controller of actuation signal for the adjusting device of deflection roller (4).
6. as the arbitrary described a kind of combing machine of claim 1 to 5, wherein sensor device (13) is placed in a drafting system (6) afterwards, and the signal of sensor device forms a kind of average value signal through handling, its represents combing machine sliver (12) mean value through sliver fineness degree behind the predetermined length in drafting system, in this combing machine, the comparator device is compared this average value signal with a predetermined fixed value, it is characterized by the comparator device is the part that produces a controller that drives signal for the drive unit 10 of drafting system (6).
7. combing machine as claimed in claim 6, the drawing-off size that it is characterized by in the drafting system can be by being regulated by the driving signal that controller produced of average value signal control in the drive unit (10) of drafting system.
CN96107239A 1995-03-28 1996-03-27 Combining machine Expired - Fee Related CN1077156C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH00877/1995 1995-03-28
CH87795 1995-03-28
CH00877/95 1995-03-28

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CN1145421A true CN1145421A (en) 1997-03-19
CN1077156C CN1077156C (en) 2002-01-02

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JP (1) JPH08260255A (en)
CN (1) CN1077156C (en)
DE (1) DE19609781A1 (en)
IT (1) IT1282707B1 (en)

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CN101333696B (en) * 2007-06-29 2011-05-11 特鲁菲舍尔股份有限公司及两合公司 Apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN101333701B (en) * 2007-06-29 2011-12-14 特鲁菲舍尔股份有限公司及两合公司 Apparatus and method for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN101173387B (en) * 2006-10-20 2012-01-04 特鲁菲舍尔股份有限公司及两合公司 Apparatus for the sorting or selection of a fibre sliver comprising textile fibres, especially for combing
CN1904163B (en) * 2005-07-26 2012-08-15 里特机械公司 Drive device for combing machine
CN103484979A (en) * 2012-06-07 2014-01-01 株式会社丰田自动织机 Combing machine
CN115485424A (en) * 2020-04-09 2022-12-16 特吕茨施勒集团欧洲公司 Apparatus and method for producing combed slivers

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DE19707206A1 (en) * 1997-02-24 1998-08-27 Rieter Ag Maschf Combined sliver
US6393667B1 (en) 1998-05-13 2002-05-28 Maschinenfabrik Rieter Ag Machine with a drafting arrangement for processing textile material
DE502005000595D1 (en) * 2004-04-13 2007-05-31 Rieter Ag Maschf Drive for a comber
DE102005023992A1 (en) * 2005-05-20 2006-11-23 TRüTZSCHLER GMBH & CO. KG Device on a spinning preparation machine, e.g. Carding, carding, track, combing machine or the like, for determining the mass and / or mass variations of a fiber material, e.g. at least one sliver, non-woven fabric or the like., Of cotton, chemical fibers o. The like.
DE102005033180B4 (en) 2005-07-13 2020-03-12 Trützschler GmbH & Co Kommanditgesellschaft Device for detecting a parameter on a plurality of fiber bands fed to a drafting system of a spinning machine
JP5609530B2 (en) * 2010-10-22 2014-10-22 株式会社豊田自動織機 Comb detaching roller operation setting device
CH719062A9 (en) * 2021-10-14 2023-06-30 Rieter Ag Maschf Combing device for combing a fiber material.

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DE68926199T2 (en) * 1988-08-09 1996-09-05 Hollingsworth On Wheels John D Stretching device with automatic compensation
EP0376002B1 (en) * 1988-12-22 1994-04-06 Maschinenfabrik Rieter Ag Combing machine
CH685164A5 (en) * 1992-03-05 1995-04-13 Zellweger Uster Ag Method and apparatus for controlling the delay of a drafting.

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CN1904163B (en) * 2005-07-26 2012-08-15 里特机械公司 Drive device for combing machine
CN101173387B (en) * 2006-10-20 2012-01-04 特鲁菲舍尔股份有限公司及两合公司 Apparatus for the sorting or selection of a fibre sliver comprising textile fibres, especially for combing
CN101333696B (en) * 2007-06-29 2011-05-11 特鲁菲舍尔股份有限公司及两合公司 Apparatus for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN101333697B (en) * 2007-06-29 2011-12-14 特鲁菲舍尔股份有限公司及两合公司 Apparatus and method for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN101333701B (en) * 2007-06-29 2011-12-14 特鲁菲舍尔股份有限公司及两合公司 Apparatus and method for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN101333709B (en) * 2007-06-29 2013-08-14 特鲁菲舍尔股份有限公司及两合公司 Apparatus and method for the fibre-sorting or fibre-selection of a fibre bundle comprising textile fibres
CN103484979A (en) * 2012-06-07 2014-01-01 株式会社丰田自动织机 Combing machine
CN115485424A (en) * 2020-04-09 2022-12-16 特吕茨施勒集团欧洲公司 Apparatus and method for producing combed slivers
CN115485424B (en) * 2020-04-09 2024-03-22 特吕茨施勒集团欧洲公司 Apparatus and method for producing combed sliver

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CN1077156C (en) 2002-01-02
ITMI960380A1 (en) 1997-08-28
DE19609781A1 (en) 1996-10-24
JPH08260255A (en) 1996-10-08
IT1282707B1 (en) 1998-03-31
ITMI960380A0 (en) 1996-02-28

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