EP1513970A1 - Verfahren und vorrichtung zur auswertung von signalen eines sensors an einer textilmaschine - Google Patents
Verfahren und vorrichtung zur auswertung von signalen eines sensors an einer textilmaschineInfo
- Publication number
- EP1513970A1 EP1513970A1 EP03732580A EP03732580A EP1513970A1 EP 1513970 A1 EP1513970 A1 EP 1513970A1 EP 03732580 A EP03732580 A EP 03732580A EP 03732580 A EP03732580 A EP 03732580A EP 1513970 A1 EP1513970 A1 EP 1513970A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signals
- sensor
- sliver
- digital
- signal
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
-
- 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 method for evaluating signals from a sensor, in particular a microwave sensor for detecting the thickness, mass, density and / or moisture of at least one fiber sliver moving in relation to the sensor on a drafting system, wherein a high-frequency device assigned to the sensor has a number per unit of time first signals about the current state of the at least one sliver are generated in digital form and a corresponding device for evaluating signals from such a sensor. Furthermore, the invention comprises a textile machine with such a device.
- fiber tapes which consist of a large number of individual fibers in their cross section, are often measured for their thickness, mass, density and / or moisture. This is necessary, for example, in the area of a drafting system in order to stretch one or more slivers, i.e. to reduce the number or mass of their fibers in cross-section.
- the goal is often to produce a particularly uniform sliver, i.e. a sliver, which has the same number of fibers or mass in cross section over its entire length.
- Such drafting systems are used, for example, at the exit of cards, in draw frames or in spinning machines.
- band sensors are arranged on sections, which measure the sliver thickness or the sliver mass and their fluctuations and pass this information on to a regulating unit. At least one of the drafting elements of the drafting system is activated via the regulating unit. In addition, it is often checked at the exit of the drafting systems whether the drafting process has been carried out as desired, i.e. whether the sliver was evened out in terms of its mass.
- a microwave sensor has proven to be a particularly advantageous sensor for measuring the sliver quality.
- the thickness, mass, density and / or moisture of one or more fiber slivers moved in relation to the sensor can be determined very reliably with microwave sensors.
- the sensor delivers a large number of signals per unit of time, which provide information about the current state of the at least one fiber sliver.
- the signals are output in digital form and per unit of time by a high-frequency device downstream of the microwave sensor - more precisely the microwave resonator.
- the disadvantage here is that when the time-dependent signals are assigned to the corresponding location in the sliver, a great deal of computational effort is required due to the abundance of the information supplied.
- the signals must be assigned to the location of the at least one fiber sliver exactly at the point in time at which it is in the drafting system. This is difficult to achieve in particular in the case of very fast-running fiber ribbons with the aid of a microwave sensor at an acceptable cost.
- a microwave sensor as is known to be used, for example, to measure the moisture of cigarette paper
- a conventional textile machine for example a line of the type RSB-D 35 from Rieter
- the first digital signals are output from the high-frequency device
- the signals supplied are analyzed for frequency shift and half-width, and the corresponding values are converted into analog signals using a D / A converter, and these analog signals are then switched to the regulating computer on the line, which has an A / D converter on the input side.
- the digital output data of the regulating computer are then in turn converted into analog signals with the aid of a D / A converter and connected to the analog input of the servo controller, which regulates the lower input and middle rollers.
- This complex procedure is costly and prone to errors because, for example, undesired phase shifts and quantization errors occur.
- the object of the present invention is therefore to provide a fast, accurate and inexpensive evaluation method and a corresponding device, as a result of which the microwave technology can be used industrially when assessing the state of the sliver.
- the microwave sensor or the high-frequency device assigned to it delivers a number of first signals in digital form per time unit, from which second digital signals are formed according to a predetermined algorithm, which represent the current sliver fineness or the sliver mass of the at least one sliver.
- the first digital signals representing the resonance curve course contain information about the phase shift and the half-width of the resonance signals of the microwave sensor. From these signals, the associated band finenesses or band masses, in particular, can be calculated as second digital signals using mathematical correlations.
- second digital signals that represents the current band mass or band fineness.
- These second digital signals are then used to regulate the drafting system and / or to assess the sliver quality at the entry or exit of the drafting arrangement.
- the second digital signals are used without intermediate D / A conversion for calculating regulation values, which in this terminology are referred to as third digital signals, for setting the controllable drafting arrangement.
- this calculation can be carried out by means of the same processor, which also clocks the radio-frequency device and / or generates the second digital signals.
- a separate processor is used to generate the third digital signals.
- the term “second digital signals” (for values for the band fineness or the band mass) and “third digital signals” (for regulation values) are of course to be understood to mean that digital intermediate signals are generated between the first and the second or the second and the third signal can be.
- the predetermined algorithm for converting the first digital into the second digital signals and possibly the algorithm for converting the second digital into the third digital signals is selected according to the requirements for the analysis of the state of the sliver, the speed of the sliver's passage through the sensor and the processing speed of the computers using the algorithm.
- the abundance of the first digital signals can be reduced to a few second digital signals.
- the number of second signals is therefore significantly less than the number of first signals, for example 1/50 of the first signals.
- the evaluated second signals can thus be passed on to the regulation more quickly.
- the regulation of the sliver can react more clearly if the number of signals to be processed is less.
- Data can also be reduced in the case of quality monitoring at the outlet of the textile machine.
- the algorithm for forming the second signal is advantageously a function of the speed of the sliver. For example, in the case where the sliver runs faster along the sensor, this means that a larger number of second signals per unit of time is required than if the sliver is produced at a lower delivery speed.
- the algorithm for forming the second signal is dependent on the material of the sliver. Viscose, cotton, polyester or other materials react very differently to the drafting forces in the drafting system.
- the different processing of the first digital signals can compensate for the speed of the processing of the signals or the size of the signals.
- first signals are skipped, taking into account the material speed, and that the signal selected in this way serves as a second signal.
- the mean value is formed from a predetermined number of first 'digital signals, which then represents the second digital signal. Short-term fluctuations in the state of the at least one sliver, which can be disregarded for the further processing or evaluation of the sliver (s), are averaged in this way and represent a sufficient description of the sliver condition. If the skipped or averaging first signals correspond to a predetermined length of the at least one sliver, it can be assumed that a measurement value for characterizing the sliver condition is formed in accordance with this predetermined length. A length between 1 and 10 mm of the at least one fiber sliver within which at least one status signal is to be generated has proven to be particularly advantageous.
- data can also be reduced from the transition from the second to the third digital signals.
- data can also be reduced from the transition from the second to the third digital signals.
- the second or third digital signal is converted into an analog signal before it is used further.
- the third digital signal can be fed to a servo controller after analog conversion, which e.g. drives individual drafting rollers of the drafting system at varying speeds via a differential gear.
- individual drives are provided for the drafting rollers, which are arranged in corresponding control loops and from which the controllers receive the signals.
- the third signal can be further processed as a digital signal, preferably in a controller with digital inputs used for setting at least one drafting roller.
- the controller can in turn be a servo controller or a controller for a single drive.
- the device according to the invention for evaluating signals from a sensor, its resonator is associated with the high-frequency device mentioned for generating a first digital signal from the high-frequency signals of the microwave sensor.
- a high-frequency device represents, in particular, a microwave card.
- the device according to the invention has a processor unit for generating the second and possibly the third digital signal, the second digital signal representing the current band fineness or band mass.
- the sensor can be arranged at the inlet and / or at the outlet of the drafting system. Is he at the inlet of the Arranged, so it is used in particular to measure the at least one incoming sliver and to regulate the speed of the drafting rollers of the drafting system. At the outlet, the sensor is used to check the quality of the drawn fiber sliver.
- the signal can be used to control the drafting system.
- the high-frequency device is arranged in the immediate vicinity of the sensor, it is possible to use a particularly short cable connection between the sensor and the high-frequency device.
- the cable that transmits high-frequency signals acts as an antenna and could distort the signals if they are too long.
- the accuracy of the measurement of the sliver would suffer. Since the modern drafting systems work extremely precisely, this would lead to impermissible measurement results, especially with the high-precision regulating lines.
- the close proximity of the sensor and the high-frequency device also offers considerable advantages with regard to the precision of the quality information about the sliver which is running out, if the first digital signals generated by the high-frequency device are processed into second digital signals without data reduction.
- the cable length between the high-frequency device and the sensor should be as short as possible, but not longer than 1.5 m.
- the shorter the cable the more precisely and with fewer transmission errors, the analog microwave resonance signals can be transmitted to the high-frequency device and thus result in a correspondingly more precise measurement of the sliver.
- the high-frequency devices and / or processor units for the inlet and outlet sensors are connected to one another via communication lines.
- the respective results of the evaluation of the sliver conditions before the drafting system and after the drafting system can be compared and corrected if necessary. This also makes it possible to form a closed control loop in order to enable the sliver to be evened out precisely.
- the high-frequency devices and / or processor units for inlet and outlet sensors are combined in one unit are. Since the resonators of the microwave sensors, in contrast to the conventional sensors, can be arranged very close to the drafting system, it is possible to make the cable lengths correspondingly short, so that no interference signals act or are generated. For this reason, it is possible to combine the high-frequency devices and processor units of the inlet and outlet sensors in one unit. Reaction speeds due to processing times and manufacturing costs are influenced favorably.
- a single high-frequency device and / or a single processor unit is used for the inlet and outlet sensors. If the high-frequency device and the processor unit are designed so that they can process the incoming signals appropriately quickly, it may be sufficient to use only one device or unit which is responsible for both the inlet and outlet sensors. With a sensible division of the computing and storage capacity for the data of the inlet sensor on the one hand and the outlet sensor on the other hand, costs for further high-frequency devices and processors can thus be saved.
- a processor unit is responsible for generating the second and third digital signals (and possibly also for clocking the high-frequency device), which originate from the signals of an inlet sensor, an efficient division of the memory and computing power is useful , For example, if only every fifth signal of the first digital signals is used to generate the second digital signal, there is usually enough computing power to calculate the third digital signals, i.e. of regulatory values.
- the inlet sensor is advantageously used to generate signals which are used to regulate the drafting system.
- the outlet sensor is generally used to generate signals for quality monitoring of the hidden sliver. These signals can also be used to control the drafting system.
- the digital data transfer is at least partially implemented using bus systems, for example using CAN bus connections. Further advantages of the invention are described in connection with the following exemplary embodiments. Show it:
- Figure 1 is a simplified block diagram of a drafting system with microwave sensors
- Figure 2 is a schematic diagram of an electronic circuit with a microwave sensor at the inlet and at the outlet of a drafting system
- FIG. 3 shows a schematic diagram of a combined electronic circuit for an inlet and an outlet sensor
- FIG. 4 shows a basic illustration of a single processing device for an inlet and an outlet sensor
- Figure 5 is a schematic diagram of a partially separate electronic circuit for an inlet and an outlet sensor
- Figure 6 is a schematic diagram of a partially separate electronic circuit for an inlet and an outlet sensor with an additional processor unit.
- FIG. 1 shows a simplified block diagram of a drafting device 1 with microwave sensors.
- a sliver 2 runs into the drafting device 1 in the direction of the arrow and out again as a drawn sliver 2 '.
- An inlet sensor 3 is arranged at the inlet of the drafting unit 1.
- the inlet sensor 3 works with microwave technology and determines the state of the incoming fiber sliver (s) 2.
- the signal generated by the processing unit 12 connected downstream of the inlet sensor 3 is forwarded to a controller 5 of the machine.
- the signal from a processing unit 12 'which is connected downstream of an outlet sensor 4 is also fed into the controller 5.
- the optional outlet sensor 4 is arranged at the outlet of the drafting unit 1. It is not necessary in every case that both an inlet and an inlet are provided on the drafting unit 1 Outlet sensor 3, 4 are arranged.
- the run-out sensor 4 is usually only required if the drawing result of the drawing device 1 is to be checked and evaluated or if it is to be introduced into a regulation of the drawing device 1.
- the signal processed digitally in the processing unit 12 is fed from its output in the controller 5 to a regulation 6. If the controller 5 has an analog input, the signal is either converted accordingly in the processing unit 12 or only in the controller 5.
- This analog signal from the controller 6 is transmitted to a servo amplifier or servo controller 8 and a servo motor 9 connected to it ,
- the servo motor 9 drives parts of the drafting system 1 at a varying speed via a differential gear 10 in order to compensate for different states of the fiber slivers 2 at the inlet of the drafting system 1.
- the signal from the processing unit 12 'of the microwave outlet sensor 4 is fed to a quality monitor 7, which in an embodiment not shown can also be integrated in the processing unit 12'.
- Statistical evaluations or visual representations of the stretching result achieved can be generated here. Alternatively or additionally, these results can be incorporated into regulation 6 or regulation of drafting device 1.
- FIG. 2 shows the basic structure of an electronic circuit for an inlet sensor 3 and an outlet sensor 4, of which only the resonators are indicated in all figures.
- the usual devices for generating the microwaves (microwave generator) as well as coupling and decoupling elements, circulators etc. are not shown for simplicity.
- a processing unit 12 is connected to the inlet sensor 3.
- a high-frequency device 13 designed as a microwave card, a processor card 14 of a microprocessor, a power supply 15 and possibly further evaluation or supply devices or interfaces, not shown, are arranged in the processing unit 12.
- the analog signals generated with the inlet sensor 3 are fed to the microwave card 13.
- the microwave card 13 uses high-frequency technology.
- a short distance between the sensor 3 and the microwave card 13 is important because, due to the short cable length, any interference signals and transmission errors that may occur can be avoided.
- the first digital signals are generated with the aid of the microwave card 13. These first digital signals are further processed in the subsequent processor card 14 into second digital signals. These second digital signals, which are generated according to a predetermined algorithm, represent the current band fineness or band mass of the at least one fiber band 2. From the second digital signals, third digital signals are calculated, which serve to regulate the drafting device 1, the actual regulation signals either in remain in digital form or can also be converted into analog signals. A conversion into analog signals can take place in the present case either with the processor card 14 or in the regulation 6 of FIG. 1.
- the outlet sensor 4 also operates in a similar way to the inlet sensor 3.
- the signals from the outlet sensor 4 are fed to the microwave card 13 '.
- These first digital signals are finally further processed in the processor card 14 ′ into second digital signals according to an algorithm which is also predetermined here and may differ from the inlet sensor 3.
- These further processed second signals are used for quality monitoring of the sliver 2 'running out and likewise represent the sliver fineness or sliver mass.
- a power supply and possibly further inputs or outputs are indicated with the box 15 '.
- the algorithms for generating the second digital signal are preferably designed for data reduction of the first digital signals, for example individual first digital signals being skipped or averaged.
- computer capacities can be saved or used for other tasks, for example the calculation of the third digital signals and / or the timing of the microwave card (s) 13.
- the calculation of the third digital signals from the second digital signals can also make use of data reduction.
- the algorithm for forming the second signal and / or the third signal can be a function of the speed of the at least one sliver 2 and / or depending on its material.
- FIG 3 another embodiment is shown as a schematic diagram.
- the evaluation units 13, 13 'and 14, 14' are arranged in a common processing unit 12 ".
- the microwave cards 13 of the inlet sensor and 13 'of the outlet sensor 4 communicate with one another and can therefore exchange results and, if necessary, use them for their own evaluation.
- These also communicate with one another and can optionally use the quality data of the outgoing fiber sliver 2' for the regulation signals.
- FIG. 5 shows a further exemplary embodiment of the construction of a microwave sensor at the inlet and at the outlet in connection with the further processing of the signals.
- Only the microwave card 13 is arranged on the inlet sensor 3. The same applies to the outlet sensor 4.
- only the microwave card 13 ' is provided.
- the required cable lengths from the sensor 3, 4 to the respective microwave card 13 or 13 ' can hereby be kept very short.
- the signal generated in the microwave card 13 or 13 ' is sent to a common processor card 14 "in a processing unit 12"".
- the common processor card 14" processes the thus obtained Signals and passes them on as regulation signals, which were determined from initially calculated band fineness signals, or as quality monitoring signals (see arrow).
- a single power supply 15 ′′ can be provided, which also supplies the sensors 3, 4 and the corresponding microwave cards 13 and 13 ′ via the connecting lines.
- the common processor card 14 "only calculates the band fineness values of at least the signals of the inlet sensor 3. These band fineness values either represent the second digital signals generated by the processor card 14" or are calculated from these second digital signals. The band fineness values are then fed in digital form to a further processor unit 24 in order to calculate regulation values, which represent the third digital signals in the chosen terminology, for setting the adjustable drafting system (see arrow). These regulatory values include, in particular, values relating to the starting point and / or intensity of regulation. The signals from the runout sensor 4 are either processed exclusively in the common processor card 14 ′′ or in the processor unit 24. A display (not shown) is expediently connected to the processor card 14 ′′ and / or the processor unit 24 in order to enable an operator to visualize, possibly additionally with the possibility of entering machine parameter values via a user interface (see Figure 1).
- the timing of the microwave cards is preferably carried out by one of the processor units or processor cards shown.
- the present invention is not limited to the exemplary embodiments shown.
- other than microwave sensors according to the invention process according to the invention are operated.
- Other, not described combinations within the scope of the invention are also encompassed by the independent patent claims.
- the invention can be used in particular in cards, draw frames and combers with a drafting system.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10227676 | 2002-06-20 | ||
DE10227676A DE10227676A1 (de) | 2002-06-20 | 2002-06-20 | Verfahren und Vorrichtung zur Auswertung von Signalen eines Sensors |
PCT/EP2003/006364 WO2004001110A1 (de) | 2002-06-20 | 2003-06-17 | Verfahren und vorrichtung zur auswertung von signalen eines sensors an einer textilmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1513970A1 true EP1513970A1 (de) | 2005-03-16 |
EP1513970B1 EP1513970B1 (de) | 2010-12-15 |
EP1513970B2 EP1513970B2 (de) | 2015-02-11 |
Family
ID=29719309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03732580.0A Expired - Lifetime EP1513970B2 (de) | 2002-06-20 | 2003-06-17 | Verfahren und vorrichtung zur auswertung von signalen eines sensors an einer textilmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US6880207B2 (de) |
EP (1) | EP1513970B2 (de) |
CN (1) | CN100378260C (de) |
AT (1) | ATE491831T1 (de) |
AU (1) | AU2003238513A1 (de) |
DE (2) | DE10227676A1 (de) |
WO (1) | WO2004001110A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10236778B4 (de) * | 2002-08-10 | 2011-05-05 | Rieter Ingolstadt Gmbh | Verfahren und Vorrichtung zum Verstrecken von mindestens eines Faserband |
DE10306209A1 (de) * | 2003-02-13 | 2004-08-26 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Vorrichtung mit einem Mikrowellenresonator für eine oder an einer Spinnereivorbereitungsmaschine |
DE102004007143B4 (de) * | 2004-02-12 | 2012-04-05 | Rieter Ingolstadt Gmbh | Verfahren und Vorrichtung zum Verstrecken von mindestens einem Faserband |
DE102004030967A1 (de) * | 2004-06-26 | 2006-01-12 | Trützschler GmbH & Co KG | Vorrichtung zur Messung der Masse eines eine Spinnereivorbereitungsmaschine oder -anlage durchlaufenden Fasermaterials |
CN102758277B (zh) * | 2012-07-02 | 2018-09-18 | 湖北金源麻纺织科技有限公司 | 梳棉自调匀整仪及其控制方法 |
FI125811B (en) * | 2013-05-29 | 2016-02-29 | Valmet Automation Oy | Track measurement |
DE102018124001A1 (de) * | 2018-09-28 | 2019-08-29 | Voith Patent Gmbh | Messung von Qualitätsparametern |
Family Cites Families (19)
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DE3237357C2 (de) * | 1982-01-18 | 1985-12-19 | Zellweger Uster Ag, Uster | Vorrichtung zur Messung charakteristischer Merkmale von Fasermaterial |
US4766647A (en) † | 1987-04-10 | 1988-08-30 | Spinlab Partners, Ltd. | Apparatus and method for measuring a property of a continuous strand of fibrous materials |
DE4004119A1 (de) † | 1990-02-10 | 1991-08-14 | Tews Elektronik Dipl Ing Manfr | Verfahren zur messung der feuchte eines messgutes mit hilfe von mikrowellen und vorrichtung zur durchfuehrung des verfahrens |
CH683347A5 (de) † | 1990-06-25 | 1994-02-28 | Rieter Ag Maschf | Steuerung bzw. Regelung einer Faserverarbeitungsanlage. |
DE4039647A1 (de) * | 1990-12-12 | 1992-06-17 | Rolf Wendler | Messwertverarbeitungssystem fuer eine walzwerksanlage |
DE4415004A1 (de) * | 1993-04-30 | 1994-11-03 | Univ Schiller Jena | Anordnung und Verfahren zur Charakterisierung von Oberflächen und zur Charakterisierung und Klassifizierung von Oberflächendefekten und oberflächennahen Defekten sowie von Inhomogenitäten im Volumen transparenter Medien |
IT1292144B1 (it) † | 1996-06-29 | 1999-01-25 | Truetzschler & Co | Dispositivo su una carda,in cui all'uscita della carda e' previsto un imbuto del velo con cilindri di estrazione |
US5796220A (en) * | 1996-07-19 | 1998-08-18 | North Carolina State University | Synchronous drive system for automated textile drafting system |
US6581248B1 (en) * | 1997-01-23 | 2003-06-24 | Maschinenfabrik Rieter Ag | Carding machine with drawing rollers at the outlet |
WO1999011847A1 (de) * | 1997-09-01 | 1999-03-11 | Maschinenfabrik Rieter Ag | Reguliertes streckwerk |
US6499194B1 (en) * | 1998-06-12 | 2002-12-31 | Maschinenfabrik Rieter Ag | Adjusting drawframe |
DE69923571T2 (de) * | 1998-08-31 | 2006-01-12 | Malcam Ltd. | Mikrowellenresonator zur kontinuierlichen auswertung von faserigen stoffen |
WO2000052239A1 (de) * | 1999-03-04 | 2000-09-08 | Zellweger Luwa Ag | Verfahren und vorrichtung zur qualitätsüberwachung textiler bänder |
DE10140645B4 (de) * | 2000-08-23 | 2011-11-24 | Rieter Ingolstadt Gmbh | Verfahren zum Betreiben eines Streckwerks sowie Streckwerk |
DE10044402A1 (de) * | 2000-09-08 | 2002-04-04 | Tobias P Kurpjuhn | Verfahren zur Verbesserung der Genauigkeit von Parameterschätzverfahren |
DE10059262A1 (de) * | 2000-11-29 | 2002-06-13 | Truetzschler Gmbh & Co Kg | Verfahren zur Optimierung der Regelung und Steuerung von Verzugseinrichtungen an Spinnereimaschinen |
DE10162312B4 (de) * | 2001-02-16 | 2011-06-09 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Regulierstrecke für Faserbänder zum Ermitteln von Einstellwerten für den Vorverzug |
DE20119344U1 (de) * | 2001-11-28 | 2003-04-03 | Tews Elektronik Dipl Ing Manfr | Vorrichtung zur Erfassung der Masse und des Feuchtegehaltes für Spinnereivorbereitungsmaschinen |
DE10204328B4 (de) * | 2001-12-11 | 2016-06-02 | Rieter Ingolstadt Gmbh | Verfahren zum Ermitteln der Bandmasse eines bewegten Faserverbandes und Spinnereivorbereitungsmaschine zur Durchführung dieses Verfahrens |
-
2002
- 2002-06-20 DE DE10227676A patent/DE10227676A1/de not_active Ceased
-
2003
- 2003-06-17 WO PCT/EP2003/006364 patent/WO2004001110A1/de not_active Application Discontinuation
- 2003-06-17 DE DE50313328T patent/DE50313328D1/de not_active Expired - Lifetime
- 2003-06-17 AT AT03732580T patent/ATE491831T1/de active
- 2003-06-17 EP EP03732580.0A patent/EP1513970B2/de not_active Expired - Lifetime
- 2003-06-17 CN CNB038143992A patent/CN100378260C/zh not_active Expired - Fee Related
- 2003-06-17 AU AU2003238513A patent/AU2003238513A1/en not_active Abandoned
- 2003-06-18 US US10/464,056 patent/US6880207B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004001110A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE491831T1 (de) | 2011-01-15 |
DE10227676A1 (de) | 2004-01-08 |
US6880207B2 (en) | 2005-04-19 |
EP1513970B2 (de) | 2015-02-11 |
CN100378260C (zh) | 2008-04-02 |
CN1662691A (zh) | 2005-08-31 |
DE50313328D1 (de) | 2011-01-27 |
WO2004001110A1 (de) | 2003-12-31 |
AU2003238513A1 (en) | 2004-01-06 |
EP1513970B1 (de) | 2010-12-15 |
US20040060352A1 (en) | 2004-04-01 |
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