EP0289010B1 - Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität - Google Patents

Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität Download PDF

Info

Publication number
EP0289010B1
EP0289010B1 EP88106780A EP88106780A EP0289010B1 EP 0289010 B1 EP0289010 B1 EP 0289010B1 EP 88106780 A EP88106780 A EP 88106780A EP 88106780 A EP88106780 A EP 88106780A EP 0289010 B1 EP0289010 B1 EP 0289010B1
Authority
EP
European Patent Office
Prior art keywords
yarn
spinning
tension
jet
false
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.)
Expired - Lifetime
Application number
EP88106780A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0289010A1 (de
Inventor
Herbert Stalder
Peter Egloff
Rolf Binder
Josef Baumgartner
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
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to AT88106780T priority Critical patent/ATE68216T1/de
Publication of EP0289010A1 publication Critical patent/EP0289010A1/de
Application granted granted Critical
Publication of EP0289010B1 publication Critical patent/EP0289010B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping

Definitions

  • the invention relates to a method for monitoring and maintaining a predetermined yarn quality of a yarn produced by means of a false twist nozzle spinning device and a spinning device for carrying out the method.
  • the object is procedural solved that the yarn quality is determined by measuring the mechanical tension in running yarn and this measured value is compared in a control with a predetermined tension value, and that the energy of the compressed air blown into the false twist spinneret is changed by means of the control when the measured thread tension exceeds or falls below a predetermined tolerance range.
  • display means for displaying the thread tension or control means can be provided in order to actuate the means for changing the thread tension on the basis of the measurement signal mentioned.
  • a method and a device for monitoring and maintaining a predetermined yarn quality when producing a yarn is known from DE-A-3 424 709, but this document is concerned with friction spinning.
  • the yarn quality is determined by measuring the mechanical tension of the running yarn and the value of this measurement is compared with a predetermined tension value and at Falling below or exceeding a predetermined tension tolerance correspondingly acting on the spinning device to increase or decrease the tension.
  • DE-A-3 424 705 describes an OE friction spinning machine with a large number of spinning units, each of which has an individual drive for the friction rollers and for the pair of take-off rollers. A single drive for the feed rollers can also be provided.
  • a yarn monitor is provided between the friction rollers and the pair of take-off rollers and is connected to a control unit. Based on the continuously measured thread quality (thread tension; thick and thin places), the speed of the drives for the friction rollers, take-off rollers and feed rollers is regulated or changed.
  • the false twist spinning device shown with FIGS. 1 and 1a comprises a drafting device 50, a false twist spinneret 51, a yarn guide tube 52 connected thereto and a pair of draw-off rollers 53.
  • the false twist spinneret comprises an insertion part 56, a guide screen 57 and a swirl generating part 58.
  • a compressed air inlet channel 59 opens, through which compressed air is conveyed by means of an injection nozzle 60 which can be adjusted in the blowing direction.
  • the ratio of the diameter to the length of the compressed air inlet channel must be selected such that the compressed air flow blown in by the injection nozzle 60 is not disturbed either by the walls or by the mouth of the compressed air inlet channel 59.
  • the injection nozzle 60 is provided in a spherical or hemispherical nozzle body (only the first shown) which is rotatably mounted in the false twist spinneret 51 in the manner of a joint ball.
  • the latter has an adjusting lever 62 which, via a triple ball joint 63, has a horizontally lying servomotor 64 (FIG. 1a) and is connected to a vertical servomotor 65 (FIG. 1).
  • the terms lying horizontally and standing vertically are to be understood with reference to FIG. 1.
  • Triple ball joint is to be understood as a ball with a hollow ball placed over it as a pan and a second pan placed over the hollow ball, for example the actuating lever 62 with the ball and the servomotors 64 or. 65 are each connected to a pan.
  • Each actuator 65 respectively. 64 is at its end opposite the triple ball joint 63 by means of a single ball joint 66 and. 78 in a fixed housing part 67 respectively. 79 stored.
  • a thread tension measuring device 68 is provided, which emits measurement signals 69 into a control 70, which is not the subject of the invention.
  • Such devices are known per se and are available on the market, for example, under the brand name Electronic Tensiometer R-1192 from Rothschild, Traubenstrasse 3, CH-8002 Zurich.
  • injection nozzle 60 is connected to an adjustable pressure regulating valve 71, which is supplied with compressed air from a compressed air source 72.
  • the draw-off roller pair 53 is driven by a drive motor 73.
  • the controller 70 processes the measurement signals 69 into an output signal 74 for controlling the servomotor 64, an output signal 75 for controlling the servomotor 65, an output signal 76 for controlling the pressure regulating valve 71 and an output signal 77 for speed control of the drive motor 73.
  • an injection angle ⁇ (FIG. 1) and an injection angle ⁇ (FIG. 1a) are set.
  • the injection angle ⁇ is located in an imaginary plane W, which contains the axis of symmetry 84 (FIGS. 1 and 1a) of the injection nozzle 60 and which either lies parallel to the axis of symmetry 83 (FIGS. 1 and 1a) of the guide screen 57 or contains this.
  • the angle ⁇ is formed by the axis of symmetry 84 and a straight line (not shown) which is either parallel to the axis of symmetry 83 if the plane W is parallel to the axis of symmetry 83, or coaxial with the axis of symmetry 83 if the plane W includes the axis of symmetry 83.
  • the injection angle ⁇ is formed by the plane W and by another imaginary plane T, which contains the axis of symmetry 83.
  • the angle ⁇ then forms a right angle (90 ° angle) if the plane W also contains the axis of symmetry 83.
  • the smallest angle ⁇ is formed when the plane W is parallel to the axis of symmetry 83 in such a way that the air jet from the injection nozzle 60 enters the swirl-generating nozzle 58 essentially tangentially.
  • a sliver (not shown) is fed into the drafting device 50 and hidden therein by a desired amount.
  • the output rollers 54 feed a fiber sliver fanned out to a desired width (not shown) into the insertion part 56, which sliver guides this sliver against the guide screen 57 with the aid of the sucked-in air.
  • a yarn core is produced in a manner known per se, which is grasped by the air flow of the injection nozzle 60 when it enters the swirl generating part and rotated like a crank. This crank-like rotation results in a rotation in the yarn core which continues counter to the thread running direction R back to the clamping line of the pair of outgoing rollers 54.
  • the thread tension in the area of the thread tension measuring device 68 can be changed either by changing the angles ⁇ and ⁇ and / or the air throughput (m3 / min.) Through the injection nozzle 60 and / or the speed of the take-off roller pair 53 will.
  • the crank effect and the conveying effect on the yarn 81 in the thread running direction R can be changed, while the speed change of the take-off rollers 53 changes the so-called spinning distortion, with the spinning delay being the The ratio of the speed of the yarn 81 on the take-off rollers 53 to the speed of the sliver 82 on the output roller pair 54 is understood.
  • Measures a), c) and d) are particularly preferred since this enables a particularly controllable setting of the yarn quality.
  • a simplified variant of the device shown in FIGS. 1 and 1a consists in that the nozzle body 61 can only be moved in the direction of movement of the angle ⁇ . This eliminates the servomotor 64 with everything that is required for its function. In addition, the servomotor 65 may no longer be supported on the ball joint 66, but must be pivotably mounted (not shown) in such a way that the injection nozzle can only be moved in the range of the angle ⁇ .
  • the control 70 shown for the false-twist nozzle spinning device of FIGS. 1 and 1a is intended as an individual control per so-called spinning station (a plurality of spinning stations result in a spinning machine).
  • spinning station a plurality of spinning stations result in a spinning machine.
  • such a solution is expensive and is not absolutely necessary due to the usually slow voltage changes.
  • a traveling device only measures the thread tension and displays it by display means (not shown) and that the elements to be adjusted in order to change the thread tension are operated manually until the thread tension is again within the given tolerance range.
  • Another application of the thread tension measurement consists in the simple monitoring of the spinning position by means of the thread tension measurement, that is to say that none of the measures mentioned for changing the thread tension are carried out and it is decided on the basis of the given thread tension tolerances to shut down the spinning position in order to remedy corresponding defects .
  • inventive concept to use the thread tension to the corresponding spinning device on a yarn quality level hold, which corresponds to the desired yarn quality is not limited to the examples shown and described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP88106780A 1987-04-27 1988-04-27 Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität Expired - Lifetime EP0289010B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88106780T ATE68216T1 (de) 1987-04-27 1988-04-27 Verfahren und vorrichtung zum ueberwachen und einhalten einer vorgegebenen garnqualitaet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1601/87 1987-04-27
CH160187 1987-04-27

Publications (2)

Publication Number Publication Date
EP0289010A1 EP0289010A1 (de) 1988-11-02
EP0289010B1 true EP0289010B1 (de) 1991-10-09

Family

ID=4214232

Family Applications (2)

Application Number Title Priority Date Filing Date
EP88106780A Expired - Lifetime EP0289010B1 (de) 1987-04-27 1988-04-27 Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität
EP88106779A Withdrawn EP0289009A1 (de) 1987-04-27 1988-04-27 Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP88106779A Withdrawn EP0289009A1 (de) 1987-04-27 1988-04-27 Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität

Country Status (6)

Country Link
US (2) US4821503A (en))
EP (2) EP0289010B1 (en))
JP (1) JP2635675B2 (en))
AT (1) ATE68216T1 (en))
DE (1) DE3865347D1 (en))
IN (1) IN171021B (en))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3828325A1 (de) * 2019-11-29 2021-06-02 Saurer Intelligent Technology AG Spinnstelle und luftspinnmaschine umfassend eine solche spinnstelle und verfahren zur erfassung einer einen soll-wert unterschreitenden fadenfestigkeit

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832110A1 (de) * 1988-09-21 1990-03-29 Rieter Ag Maschf Friktionsspinnvorrichtung
DE3836481A1 (de) * 1988-10-26 1990-05-03 Schubert & Salzer Maschinen Verfahren und vorrichtung zum einstellen einer luftspinnvorrichtung
DE3900088A1 (de) * 1989-01-03 1990-07-05 Rieter Ag Maschf Verfahren zum betrieb einer spinnmaschine sowie eine ueberwachungsvorrichtung hierfuer
US5054173A (en) * 1989-05-18 1991-10-08 Barmag Ag Method and apparatus for the enhanced crimping of multifilament yarn
JPH03146726A (ja) * 1989-10-25 1991-06-21 Schubert & Salzer Mas Fab Ag 空気紡糸装置の調節方法及びこの調節を行うようになされた空気紡糸装置
WO1992011535A1 (de) * 1990-12-19 1992-07-09 Barmag Ag Verfahren zur regelung der fadenzugkraft
DE4402582C2 (de) * 1994-01-28 1997-12-04 Zinser Textilmaschinen Gmbh Verfahren und Vorrichtung zur Optimierung der Spinngeometrie einer Ringspinnmaschine
ES2114468B1 (es) * 1995-11-24 1999-01-16 Univ Catalunya Politecnica Procedimiento y dispositivo de ajuste de la torsion del hilado en una tobera vortex de hilatura.
JP3163988B2 (ja) * 1996-07-26 2001-05-08 村田機械株式会社 紡績装置
DE50104822D1 (de) 2000-11-08 2005-01-20 Rieter Ag Maschf Steuerung von Spinnstellen in einer Spinnmaschine
DE102004053505A1 (de) * 2004-11-02 2006-05-04 Wilhelm Stahlecker Gmbh Verfahren zum Optimieren der Produktionsleistung einer Spinnmaschine
JP2017071882A (ja) * 2015-10-09 2017-04-13 村田機械株式会社 紡績機
DE102018112801A1 (de) 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Ermitteln von Eigenschaften eines Fasermaterials an einer Arbeitsstelle einer Textilmaschine und eine Textilmaschine
CN111676551A (zh) * 2020-06-24 2020-09-18 江苏京正特种纤维有限公司 一种涡流纺设备用便于调节的喷嘴及其方法
CN112831873B (zh) * 2020-12-31 2022-05-20 盐城师范学院 一种基于环锭纺纱线质量的独立工序单独控制系统及方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742692A (en) * 1971-06-01 1973-07-03 Leesona Corp Apparatus and method for false twisting yarn
US3848404A (en) * 1972-09-25 1974-11-19 Burlington Industries Inc Intermittent texturized yarn and false-twist apparatus and process for producing the same
CH568405A5 (en)) * 1974-02-08 1975-10-31 Zellweger Uster Ag
DE2525560C2 (de) * 1975-06-07 1991-04-18 Fritz 7347 Bad Überkingen Stahlecker Wartungseinrichtung die längs einer eine Vielzahl von nebeneinander angeordneten Spinnstellen aufweisenden Offenend-Spinnmaschine verfahrbar ist
CH612152A5 (en)) * 1976-01-26 1979-07-13 Rieter Ag Maschf
JPS52107349A (en) * 1976-03-04 1977-09-08 Murata Machinery Ltd Spun yarn and method of producing same
US4083172A (en) * 1977-04-28 1978-04-11 Champion International Corporation Control system for pneumatically treated yarns
JPS5930922A (ja) * 1982-08-12 1984-02-18 Toyoda Autom Loom Works Ltd オ−プンエンド精紡機における糸継方法
DE3245574C2 (de) * 1982-12-09 1985-10-03 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Verfahren zum Überwachen des Texturiervorgangs bei einem Friktionsfalschdrall-Aggregat
DE3316657A1 (de) * 1983-05-06 1984-11-08 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
US4648054A (en) * 1983-06-20 1987-03-03 Unisearch Limited Continuous measurement of yarn diameter and twist
IN161355B (en)) * 1983-07-01 1987-11-14 Rieter Ag Maschf
EP0148402B1 (de) * 1983-12-20 1987-08-12 Maschinenfabrik Rieter Ag Vorrichtung zum Verwirbeln eines Multifilamentgarnes
DE3424709A1 (de) * 1984-01-25 1986-02-06 Fritz 7347 Bad Überkingen Stahlecker Oe-friktionsspinnmaschine mit einer vielzahl von spinnaggregaten
DE3402367A1 (de) * 1984-01-25 1985-08-01 Fritz 7347 Bad Überkingen Stahlecker Oe-friktionsspinnmaschine mit einer vielzahl von spinnaggregaten
GB2166165B (en) * 1984-10-29 1987-07-08 Hollingsworth Friction spinning apparatus
US4677819A (en) * 1985-03-22 1987-07-07 Hans Stahlecker Method and apparatus for operating an open-end friction spinning machine
DE3601358A1 (de) * 1986-01-18 1987-07-23 Fritz Stahlecker Verfahren zum betreiben einer oe-friktionsspinnmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3828325A1 (de) * 2019-11-29 2021-06-02 Saurer Intelligent Technology AG Spinnstelle und luftspinnmaschine umfassend eine solche spinnstelle und verfahren zur erfassung einer einen soll-wert unterschreitenden fadenfestigkeit
WO2021105382A1 (de) * 2019-11-29 2021-06-03 Saurer Intelligent Technology AG Spinnstelle und luftspinnmaschine umfassend eine solche spinnstelle

Also Published As

Publication number Publication date
JPS63282316A (ja) 1988-11-18
DE3865347D1 (de) 1991-11-14
IN171021B (en)) 1992-07-04
JP2635675B2 (ja) 1997-07-30
EP0289010A1 (de) 1988-11-02
US4821503A (en) 1989-04-18
US4819421A (en) 1989-04-11
ATE68216T1 (de) 1991-10-15
EP0289009A1 (de) 1988-11-02

Similar Documents

Publication Publication Date Title
EP0289010B1 (de) Verfahren und Vorrichtung zum Überwachen und Einhalten einer vorgegebenen Garnqualität
DE102006006502A1 (de) Spinnstrickmaschine, Streckwerke und Verfahren
EP1501966A2 (de) Spinnereivorbereitungsmaschine mit mikrowellensensoren
EP2740821B1 (de) Luftspinnvorrichtung
EP1205588B1 (de) Steuerung von Spinnstellen in einer Spinnmaschine
EP1817448B1 (de) Verfahren zum optimieren der produktionsleistung einer spinnmaschine
EP0110150B1 (de) Düsenspinn-Vorrichtung
EP1573098B1 (de) Vorrichtung zum herstellen eines gesponnenen fadens
EP0340756B1 (de) Verfahren und Vorrichtung zur Überwachung des Vergleichmässigens mindestens eines Faserverbandes in einem Regulierstreckwerk
EP0218974B1 (de) Verfahren und Vorrichtung zur Herstellung eines Effektgarnes auf Offenend-Spinnvorrichtungen
DE3828189A1 (de) Verfahren und vorrichtung zum anspinnen eines doppelfadens nach einem fadenbruch
EP1853755B1 (de) Flyerloses spinnverfahren sowie vorrichtung mit einem streckwerk
EP0678601A2 (de) Regulierstreckwerk
CH714445A1 (de) Streckwerk für eine Spinnmaschine mit einer Verdichtungsvorrichtung.
EP3688209B1 (de) Verdichtereinrichtung
DE2611987C2 (de) Vorrichtung zum Spinnen eines Garns
LU503240B1 (de) Faserbandvorbereitung
DE875014C (de) Verfahren und Streckwerk zum Verziehen von Lunten in einer einzigen Hochverzugstufe
DE102023114227A1 (de) Verfahren zum Regeln der Masse eines Faserbandes in einem integrierten Streckwerk einer Karde
DE102023103423A1 (de) Verfahren zum automatischen Anspinnen eines Faserbandes in ein Streckwerk und Streckwerk zum Verstrecken eines kardierten Faserbandes
DE102023103421A1 (de) Integriertes Streckwerk
WO2024213344A1 (de) Verfahren und vorrichtung zum trennen eines faserbandes beim kannenwechsel an einer strecke
WO2024170245A1 (de) Integriertes streckwerk
DE7427145U (de) Vorrichtung zur gewinnung schmelzgesponnener chemiefasern
WO2005123997A1 (de) Verfahren und vorrichtung zur qualitätsverbesserung von ringspinngarnen

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

AK Designated contracting states

Kind code of ref document: A1

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

17P Request for examination filed

Effective date: 19890130

17Q First examination report despatched

Effective date: 19900706

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

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

REF Corresponds to:

Ref document number: 68216

Country of ref document: AT

Date of ref document: 19911015

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3865347

Country of ref document: DE

Date of ref document: 19911114

ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19920427

Ref country code: AT

Effective date: 19920427

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19921230

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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

Ref country code: DE

Payment date: 20040325

Year of fee payment: 17

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

Ref country code: CH

Payment date: 20040326

Year of fee payment: 17

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

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050427

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

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050430

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

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051101

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL