EP1159472B1 - Procede de controle de la qualite de bandes textiles - Google Patents

Procede de controle de la qualite de bandes textiles Download PDF

Info

Publication number
EP1159472B1
EP1159472B1 EP00904783A EP00904783A EP1159472B1 EP 1159472 B1 EP1159472 B1 EP 1159472B1 EP 00904783 A EP00904783 A EP 00904783A EP 00904783 A EP00904783 A EP 00904783A EP 1159472 B1 EP1159472 B1 EP 1159472B1
Authority
EP
European Patent Office
Prior art keywords
strip
mass
deviations
quality
limiting values
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.)
Revoked
Application number
EP00904783A
Other languages
German (de)
English (en)
Other versions
EP1159472A1 (fr
Inventor
Isidor Harzenmoser
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.)
Uster Technologies AG
Original Assignee
Uster Technologies 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4186088&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1159472(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Uster Technologies AG filed Critical Uster Technologies AG
Publication of EP1159472A1 publication Critical patent/EP1159472A1/fr
Application granted granted Critical
Publication of EP1159472B1 publication Critical patent/EP1159472B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • 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

Definitions

  • the invention relates to a method for monitoring the quality of a belt of textile fibers moving in its longitudinal direction.
  • a band of textile fibers is to be understood as a fiber composite of fibers that are used for the production of textiles.
  • the fibers are loosely joined together and form an approximately cylindrical body that is compressible.
  • Such tapes are known to exist at the exit of cards, combers or draw frames and are temporarily stored in cans. Yarn is preferably produced from such tapes.
  • Newer spinning processes require a more extensive recording of quality characteristics of the belt in order to fine-tune the spinning machine so that gam production is achieved without interruption.
  • EP 0 606 615 discloses a method and a device for on-line quality monitoring in the spinning mill. Thick points in a band can thus be recognized, so that an alarm can be triggered or the system can be shut down. For this purpose, the mass of the strip is measured and a signal derived from this measurement is compared with a limit value. This limit value is determined from the mass non-uniformity (CV%) and a limit value factor.
  • a disadvantage of the device or method mentioned is that thick spots with a short length are not fully detected and taken into account for an alarm, etc. Furthermore, the thick spots are only taken into account regardless of their length. It is sufficient to recognize a specific deviation of the mass in relation to a predetermined unit of length in order to influence a control process, for example.
  • a disadvantage of this device can be seen in particular in the fact that the length of a deviation of the mass from an average value plays a role for this regulation in that it is present for a certain time and thus influences the current delay ratio during this time.
  • the measure of the deviation of the mass and the length or duration of this deviation are added together with regard to the effective influence in the end product.
  • a regulating drafting arrangement is known from EP 0 799 916, with which fluctuations in mass in the sliver are to be reduced in a first and a second drafting arrangement.
  • a control device is provided which controls the second drafting system, in particular with regard to the compensation of short-wave fluctuations in mass.
  • a regulating drafting device is known from EP 0 678 601, which is preceded by a sensor for determining the fiber mass passing through per unit length. This sensor supplies a delay-determining signal that is stored over a predetermined period. This becomes derives information that is used to assess the quality of the sliver and / or to influence the control of a processing stage that is upstream of the regulating drafting device.
  • deviations in the mass of the strip at the output of a machine for spinning preparation are continuously recorded and converted into an electrical signal, after which this signal is compared with several predetermined limit values.
  • Limit values for deviations in the transverse direction and limit values for the extent of the deviations in the longitudinal direction of the strip are provided.
  • a length and a cross-sectional deviation are determined for each deviation from the comparison of the signal with the different limit values, and a quality characteristic is formed from the length and the cross-sectional deviation, the same quality characteristics being counted. This corresponds to a classification of thick and thin places in the band and the quality characteristic is the belonging of the recorded deviations to one or to a group of classes.
  • the limit values for the deviation in the longitudinal direction are, for example, at intervals of 1 cm and the limit values for the deviation transversely to the longitudinal direction are at intervals of 5% of the average mass of the strip.
  • a measure for improving the quality of the strip is derived from the quality features, ie from the events or deviations counted in the different classes.
  • One such measure is to issue a warning signal, for example by actuating a warning lamp, stopping production machines which have provoked or have not reduced the deviation, or production machines which should process the strip with the impermissible deviation and finally cleaning the processing machine in question.
  • the faulty piece of tape can be removed and analyzed, from which information can be obtained on how to change the settings of affected production machines.
  • the classification can also be used to determine whether an error or a deviation deserves further attention and triggers measures or not.
  • a prediction of the consequences in subsequent processes can be made. For example, it can be assumed that thread breaks during spinning can be predicted based on certain classifications. In this way, the efficiency in subsequent processing can be estimated.
  • Fig. 1 shows a portion of a band 1 of textile fibers in view, which extends in the longitudinal direction along an axis 2.
  • a section 3 with an approximately normal or medium diameter and a section 4 with a different, in particular increased, diameter.
  • the mass of band 1 in section 3 reaches values that fluctuate within narrow limits around an average.
  • the values of the mass are obviously different, here they are certainly increased.
  • the mass or the cross section can be detected in a manner known per se and with known devices in a capacitive manner in an electrical field or optically in a light beam and converted into an electrical signal.
  • FIG. 2 shows, for example, an electrical signal 5 as it could be derived from band 1.
  • This also shows a section 6 in which the signal 5 fluctuates around an average, as represented by a line 8, and a section 7 with values which deviate strongly and persistently from the average.
  • the deviation in section 7 results in values that correspond to a line 9.
  • the deviation in section 7 has a length L, which is counted between lines 10 and 11. So that not every deviation is immediately recognized as such and its length is determined, these are only taken into account above a certain threshold, which is determined here by a value as indicated by a line 12. For example, this value corresponds to X% of the mean.
  • Lines 10 and 11 lie, for example, at the intersection of line 12 with signal 5.
  • FIG. 3 shows, via axes 13 and 14, several limit values for deviations in the mass or cross-section of the strip transverse to the longitudinal direction of the strip, which are indicated by lines 15, 16, 17 and 18 and limit values for the length of the deviations in the longitudinal direction caused by Lines 19, 20, 21, 22 are shown.
  • a signal 23 is shown, which for example corresponds to signal 5 from FIG. 2 or is derived by filtering or other treatment.
  • lines 15 to 22 a classification field with fields that are delimited by four lines and correspond to a class.
  • a class also indicates a quality characteristic, in which a certain class stands for a deviation with no or harmless consequences and another for serious or alarming consequences that this deviation can have in the production process of a textile product or in the end product.
  • the signal transversely to the longitudinal direction of the belt exceeds two limit values corresponding to lines 15, 16 and also exceeds two limit values corresponding to lines 19, 20 in the longitudinal direction.
  • the limit values for the deviation in the longitudinal direction typically follow one another at intervals of 1 cm and the limit values for the deviation transversely to the longitudinal direction at intervals of 5% of the average mass of the strip.
  • a classification field 24 with limit values for thick places and a classification field 25 with limit values for thin places are related to axes 26, 27, which provide a measure of the extent of the deviations along and across the longitudinal direction of the belt.
  • Such classes can be identified by a combination of letters and numbers.
  • Logarithmic values of the length are preferably plotted along the axis and values for the percentage increase in cross sections or the mass of the strip are plotted along the axis 27.
  • FIG. 5 shows a device for quality monitoring of a tape, which has a computer 28 which is connected in a manner known per se to an input unit 29 for data on the one hand and an output unit 30 for data on the other hand.
  • This computer 28 can be connected on the one hand to a drafting device 31 or on the other hand to a card or a combing machine 32. In both cases it fulfills the same task, is constructed in the same way and is connected to a machine for spinning preparation such as the draw frame, card or comber.
  • the drafting system has the actual draw frame 33 in a known manner, with an inlet 34 for belts 35 and an outlet 36 for drawn belts 37.
  • the route also has a control unit 38 which is connected to the computer 28 via a line 39.
  • a measuring element 40 Downstream of the line 33 is a measuring element 40 which is connected to the computer 28 via a line 41.
  • Known cans 42 which deliver the belts 35, and a can 43, which receives the stretched belt 44, are connected upstream of the line 33.
  • a similar structure can be seen in the card 45, which is also shown very schematically here, since it also has a controller 46 which is connected to the computer 28 via a line 47.
  • a measuring element 48 for card sliver 50 is likewise provided, which is connected to the computer 28 via a line 49. It is preferably provided. to provide such a device as described above only on the card, the combing machine or on the draw frame, although here the representation combines the card and the drafting system with the computer 28 for the sake of simplicity.
  • the operation of the invention is as follows:
  • the band 37, 44 at the exit of the draw frame 33 or the band 50 at the exit of the card 45 or a comber is continuously measured in the measuring element 40 or 48 and converted into an electrical or equivalent signal 5.
  • the measured values which form the signal 5 and which, for example, scan the tape 1 in small steps, are compared in the computer 28 with a plurality of limit values, as represented by the lines 15 to 22 in FIG. 3, or as they are in a classification field according to FIG. 4 correspond. It records which limit values are exceeded by the signal or how many successive limit values are exceeded. The result of this comparison or this count is assigned to a class according to FIG. 4.
  • the classification system comprises, for example, 16 thick point classes in the classification field 24 and 16 thin point classes in the classification field 25.
  • the results or events that are assigned to these classes can be different, depending on what they relate to. This makes it possible to simply enter the number of detected events or deviations in a class and count them.
  • the recorded deviations can also be counted and entered per kilometer of yarn or per hour of production.
  • the detection per kilometer takes place, for example, on the assumption that the yarn produced from the tape has a delay with a factor of 100.
  • the deviations counted per km of tape length correspond to the number of deviations to be expected for 100 km of game length.
  • the operator's load on the spinning machines can also be determined if it is assumed that such errors lead to a spinning station being switched off.
  • the display of errors or deviations via the classification according to FIG. 3 or 4 also makes it possible to distinguish between disturbing and non-disturbing errors and to specify a boundary between them in the classification field.
  • Each user can decide between which classes in Fig. 4 such a limit should run and according to his own criteria.
  • Such limits can be statistically secured depending on the number of deviations and can also form discontinuous, unrelated curves. Warnings when entering unsuitable limits can be derived therefrom and output by the computer 28. Quality features are derived from thick and thin places.

Landscapes

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

Claims (7)

  1. Procédé de contrôle qualité d'une bande (1) de fibres textiles se déplaçant dans la direction longitudinale, moyennant quoi la masse de la bande est déterminée en continu et convertie en un signal électrique (5), caractérisé en ce que ce signal est comparé avec plusieurs valeurs limites prédéterminées (15 à 22) pour les endroits épais et avec des valeurs limites pour les endroits minces dans la bande, moyennant quoi des valeurs limites (15 à 18) sont prévues pour les écarts de masse de la bande et des valeurs limites (19 à 22) sont prévues pour la longueur (L) des écarts de la bande, et en ce que, grâce à la comparaison du signal électrique avec les différentes valeurs limites, chaque écart du signal est classé dans une catégorie qui correspond à une caractéristique de qualité, moyennant quoi les caractéristiques de qualité identiques sont comptées et en ce que, à partir des caractéristiques de qualité, une mesure d'amélioration de la qualité de la bande sont mises en oeuvre.
  2. Procédé selon la revendication 1, caractérisé en ce que la mesure est un signal d'alarme.
  3. Procédé selon la revendication 1, caractérisé en ce que la mesure est l'arrêt de l'installation de production.
  4. Procédé selon la revendication 1, caractérisé en ce que la mesure est qu'une bande défectueuse est analysée.
  5. Procédé selon la revendication 1, caractérisé en ce que les valeurs limites pour la longueur (L) de l'écart de masse se suivent à des intervalles de 1 cm et les valeurs limites pour l'écart de masse au-dessus d'une valeur seuil (12) se suivent à des intervalles de 5% de la masse moyenne de la bande.
  6. Procédé selon la revendication 1, caractérisé en ce que, à partir de la détermination en continu de la masse, une valeur moyenne est déterminée pour la masse et des écarts sont déterminés, qui dépassent ou qui sont inférieurs à la moyenne.
  7. Procédé selon la revendication 1, caractérisé en ce que la caractéristique de qualité est l'appartenance des écarts détectés à une catégorie ou à un groupe de catégories et que les caractéristiques de qualité identiques sont comptées.
EP00904783A 1999-03-04 2000-02-25 Procede de controle de la qualite de bandes textiles Revoked EP1159472B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH39799 1999-03-04
CH39799 1999-03-04
PCT/CH2000/000106 WO2000052239A1 (fr) 1999-03-04 2000-02-25 Procede et dispositif de controle de la qualite de bandes textiles

Publications (2)

Publication Number Publication Date
EP1159472A1 EP1159472A1 (fr) 2001-12-05
EP1159472B1 true EP1159472B1 (fr) 2004-04-28

Family

ID=4186088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00904783A Revoked EP1159472B1 (fr) 1999-03-04 2000-02-25 Procede de controle de la qualite de bandes textiles

Country Status (6)

Country Link
US (1) US6553826B1 (fr)
EP (1) EP1159472B1 (fr)
JP (1) JP2002538321A (fr)
CN (1) CN1214139C (fr)
DE (1) DE50006253D1 (fr)
WO (1) WO2000052239A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227676A1 (de) * 2002-06-20 2004-01-08 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren und Vorrichtung zur Auswertung von Signalen eines Sensors
WO2012122663A1 (fr) * 2011-03-16 2012-09-20 Uster Technologies Ag Caractérisation d'un échantillon textile de forme allongée
CN109137168A (zh) * 2018-10-29 2019-01-04 沈阳宏大纺织机械有限责任公司 一种换筒滑板

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3741054A (en) * 1971-10-26 1973-06-26 Philadelphia College Of Textil Material thickness detector
IT977676B (it) * 1972-01-26 1974-09-20 Kurashiki Boseki Kk Procedimento ed apparecchio per l accertamento delle qualita di un filato
US4037104A (en) * 1976-04-29 1977-07-19 Nucleonic Data Systems, Inc. Dual beam X-ray thickness gauge
JPS5926528A (ja) * 1982-08-03 1984-02-10 Hara Shiyokuki Seisakusho:Kk 混紡練条機及びコ−マ機におけるテンシヨンドラフト自動調整装置
FR2582683B1 (fr) * 1985-06-03 1988-05-27 Prouvost Sa Dispositif de detection de la variation d'epaisseur d'une etoffe et son procede d'etalonnage
JPH0620981B2 (ja) * 1988-05-06 1994-03-23 村田機械株式会社 繊維機械における運転制御装置
CH683347A5 (de) * 1990-06-25 1994-02-28 Rieter Ag Maschf Steuerung bzw. Regelung einer Faserverarbeitungsanlage.
CH685164A5 (de) 1992-03-05 1995-04-13 Zellweger Uster Ag Verfahren und Vorrichtung zur Regelung des Verzugs eines Streckwerks.
DE4239270A1 (de) * 1992-11-23 1994-05-26 Siemens Ag Verfahren zur Stellgliedidentifizierung bei der Querprofil-Regelung einer kontinuierlich erzeugten Materialbahn
CH686446A5 (de) * 1993-01-13 1996-03-29 Luwa Ag Zellweger Verfahren und Vorrichtung zur On-line Qualitaetsueberwachung im Spinnereivorwerk.
US5563809A (en) * 1994-04-06 1996-10-08 Abb Industrial Systems, Inc. Measurement/control of sheet material using at least one sensor array
US5943740A (en) * 1996-04-02 1999-08-31 Rieter Machine Works, Ltd. Combing machine with an autoleveller drafting arrangement
DE19733454A1 (de) * 1997-08-02 1999-02-04 Voith Sulzer Papiermasch Gmbh Verfahren und Vorrichtung zur Erkennung und Korretur einer Faserorientierungs-Querprofil-Veränderung
US6446509B1 (en) * 1997-10-31 2002-09-10 Kawasaki Steel Corporation Method and apparatus for ultrasonic testing of the surface of columnar structures, and method for grinding rolls by use of them

Also Published As

Publication number Publication date
DE50006253D1 (de) 2004-06-03
JP2002538321A (ja) 2002-11-12
US6553826B1 (en) 2003-04-29
CN1214139C (zh) 2005-08-10
EP1159472A1 (fr) 2001-12-05
WO2000052239A1 (fr) 2000-09-08
CN1342223A (zh) 2002-03-27

Similar Documents

Publication Publication Date Title
DE2409882C3 (de) Vorrichtung zum Erkennen des fehlerhaften Arbeiten« von Spinnmaschinen
EP1290440B1 (fr) Procede et dispositif de detection d'impuretes dans un produit de type fil a deplacement longitudinal
DE3836481C2 (fr)
DE10214955A1 (de) Spinnereivorbereitungsmaschine
EP0131170B1 (fr) Procédé et dispositif de filature par fausse-torsion
EP1960574B1 (fr) Procede pour rattacher un fil ainsi que machine de filature a rotor pour la mise en uvre du procede
DE2334389A1 (de) Anordnung an verarbeitungsmaschinen von faeden und fasern zur beeinflussung der liefergeschwindigkeit
EP1159472B1 (fr) Procede de controle de la qualite de bandes textiles
CH698818B1 (de) Überwachungseinrichtung an einem Streckwerk einer Textilmaschine, z.B. Strecke, Karde oder Kämmmaschine.
EP0606615B1 (fr) Procédé et appareil pour le contrÔle continu de la qualité dans le travail préparatoire à la filature
DE19548232B4 (de) Verfahren und Vorrichtung zum Trennen eines Faserbanes beim Kannenwechsel an einer Strecke
EP1205588A1 (fr) Dispositif de commande pour des postes de filature d'un métier à filer
EP2266908A2 (fr) Procédé et dispositif destinés à la détermination sans contact de valeurs de la force de traction de fils
DE102015110992A1 (de) Spinnmaschine sowie Verfahren zum Betreiben einer Spinnmaschine mit einer Vielzahl von Spinnstellen
WO1999063139A1 (fr) Procede mis en oeuvre lors de la production de fil ayant subi un traitement de compacite et dispositif correspondant
EP0678601A2 (fr) Banc d'étirage contrôlé
EP3794169A1 (fr) Procédé de détermination de la garniture de tambour au niveau d'une karde et karde équipée d'une commande associée
EP2878717B1 (fr) Machine textile ayant une tension d'étirage variable
EP0570836B1 (fr) Procédé et dispositif pour l'identification en direct de bancs d'étirage mal ajustés ou défectueux de métiers à filer à anneaux
DE102016110897A1 (de) Spinnereivorbereitungsmaschine in Form einer Strecke sowie Verfahren zum Betreiben einer solchen
EP0464417A1 (fr) Procédé pour la surveillance de la régularité de rubans
EP0754788B1 (fr) Méthode et dispositif pour éviter des fluctuations de masse d'un matériau fibreux
CH692388A5 (de) Verfahren zur Beurteilung der Qualität eines Faserbandes in einer Textilmaschine.
DE102021001348A1 (de) Verfahren zur Überwachung eines Herstellungsprozesses eines synthetischen Fadens
DE102021100108A1 (de) Verfahren zur Ermittlung der Kämmlingsmenge an einer Kämmmaschine und Kämmmaschine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20011004

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 20021104

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: USTER TECHNOLOGIES AG

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: METHOD FOR CONDUCTING QUALITY CONTROL OF TEXTILE STRIPS

RTI1 Title (correction)

Free format text: METHOD FOR CONDUCTING QUALITY CONTROL OF TEXTILE STRIPS

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE FR GB IT LI

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040428

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REF Corresponds to:

Ref document number: 50006253

Country of ref document: DE

Date of ref document: 20040603

Kind code of ref document: P

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20040428

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

ET Fr: translation filed
26 Opposition filed

Opponent name: TRUETZSCHLER GMBH & CO. KG

Effective date: 20041221

PLAQ Examination of admissibility of opposition: information related to despatch of communication + time limit deleted

Free format text: ORIGINAL CODE: EPIDOSDOPE2

PLAR Examination of admissibility of opposition: information related to receipt of reply deleted

Free format text: ORIGINAL CODE: EPIDOSDOPE4

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: TRUETZSCHLER GMBH & CO. KG

Effective date: 20041221

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAQ Examination of admissibility of opposition: information related to despatch of communication + time limit deleted

Free format text: ORIGINAL CODE: EPIDOSDOPE2

PLAR Examination of admissibility of opposition: information related to receipt of reply deleted

Free format text: ORIGINAL CODE: EPIDOSDOPE4

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: TRUETZSCHLER GMBH & CO. KG

Effective date: 20041221

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060220

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060223

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20060301

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20060418

Year of fee payment: 7

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

27W Patent revoked

Effective date: 20060727

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20070518

Year of fee payment: 8