EP1425116B1 - Walzgerüst zur herstellung von walzband - Google Patents

Walzgerüst zur herstellung von walzband Download PDF

Info

Publication number
EP1425116B1
EP1425116B1 EP02776955.3A EP02776955A EP1425116B1 EP 1425116 B1 EP1425116 B1 EP 1425116B1 EP 02776955 A EP02776955 A EP 02776955A EP 1425116 B1 EP1425116 B1 EP 1425116B1
Authority
EP
European Patent Office
Prior art keywords
rolls
contour
roll
barrel
rolling stand
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
EP02776955.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1425116A1 (de
Inventor
Alois Seilinger
Andreas Mayrhofer
Alexander Kainz
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.)
Primetals Technologies Austria GmbH
Original Assignee
Primetals Technologies Austria GmbH
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 Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Publication of EP1425116A1 publication Critical patent/EP1425116A1/de
Application granted granted Critical
Publication of EP1425116B1 publication Critical patent/EP1425116B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls

Definitions

  • the invention relates to a rolling stand for the production of rolled strip with work rolls, which optionally supported on backup rolls or backup rolls and intermediate rolls, the work rolls and / or back-up rolls and / or intermediate rolls are arranged axially displaceable against each other in the rolling stand and each roll at least one of these pairs of rolls over has the entire effective bale length extending, curved contour and complement these two bale contours complementary only in a certain relative axial position of the rollers of the pair of rollers in the unloaded state (see, eg EP-A-0 401 685 ).
  • contour-influencing measures such as the use of roll bending devices, with which the rolling force application to the strip and the outlet thickness distribution over the strip width can be influenced in a targeted manner.
  • the object of the present invention is to provide a further advantageous solution for a roll stand in which the shape of the roll gap, that is to say by axial displacement of the rolls equipped with a roll barrel contour, lies opposite one another.
  • the thickness profile of the roll gap over the active roll barrel length can be varied such that a top quality fulfilling, flat and wave-free belt is achieved.
  • the contour coefficient A is determined here by the axial displacement region and the corresponding equivalent roll crowns in the extreme positions of the rolls.
  • Equivalent crowning is understood to mean the crowning of conventional, cosinusoidal-ground rolls, which together generate exactly the same idle-gap profile.
  • the contour angle ⁇ which refers to half the Schliffreferenzinate
  • the current roll contour and thus the course of the roll gap can be influenced without changing the equivalent crowning of the rolls.
  • the positive effect of avoiding quarter wave formation occurs because increasing the contour angle results in a reduction of the roll bale diameter in the area between the roll edge and the roll center, ultimately resulting in less roll deformation in this quarter wave forming critical area.
  • a tilting of the sine function is made possible and by a suitable choice of the coefficient (B) a minimization of the diameter differences along the bale contour is achieved.
  • the minimization of the diameter differences along the effective roll barrel length achieved by the tilted sine function simultaneously leads to a reduction of the axial forces derived during the rolling process into the roll support bearings.
  • the optimization of the tilt coefficient leads to a reduction of the maximum local contact pressure on the backup rolls, or more generally to a more even distribution of forces on the adjacent rolls.
  • the tilt coefficient (B) thus causes a smoothing of the contour on the roll barrel and the distribution of forces.
  • This position can lie both inside and outside the working range of the axial displacement.
  • a contour angle ⁇ > 180 ° there is a reversal in the steady decrease or increase of the roll gap in the edge region of the grinding reference length and thus to undesirable influences on the quality of the Rolled strip.
  • ⁇ a parabolic roll gap contour is formed.
  • Minimizing the axial forces to be dissipated into the roll support bearings occurs approximately when the tilt coefficient (B) in the equation for the bale contour of each roll is selected such that the maximum diameter difference of the bale contours within the slip reference length or bale length is a minimum.
  • a band quality improving influencing of the rolls can be achieved if in addition further bale contour at least partially influencing actuators in operative position in operative connection with the work rolls and / or back-up rolls and / or intermediate rolls are positioned, such as a work roll cooling or a zone cooling.
  • Corresponding effects can also be realized by roll bending devices or zone-wise connectable heating devices.
  • an integration of the rolling stand into a profile or flatness control loop is provided.
  • the work rolls and / or backup rolls and / or intermediate rolls are connected by their associated displacement devices, and optionally necessary measuring devices for detecting the state of the incoming and outgoing tape and optionally additional actuators with a control device for profile or planarity control in that the control device is assigned a computing unit which generates control signals for the tracking of the work rolls and / or back-up rolls and / or intermediate rolls and optionally additional actuators using mathematical models, if necessary using a neural network, and with the work rolls and / or back-up rolls and / or intermediate rollers and possibly additional actuators associated actuators the control signals corresponding positions are approached.
  • the measuring equipment collects band-specific data, such as profile progression, stress conditions, temperature profiles and rolling forces.
  • Fig. 1 shows a duo-rolling stand 1 with a stand 2 and a pair of work rolls 3, 4, which are rotatably supported in the two frame stands 2 in chocks 5, 6. Adjustment devices 7 allow the employment of the two work rolls 3, 4 against the current through the nip 8 rolled strip 9.
  • the two work rolls 3, 4 are on the roll pins 10, 11 in the chocks 5, 6, which also include displacement devices 12, 13, axially slidably supported.
  • the roll bales 14 of both work rolls 3, 4 are equipped over their entire effective bale length with a curved bale contour 15, with these bale contours 15 complement each other in a certain relative axial position of the work rolls in the unloaded state. This is possible either inside or outside the axial displacement range of the work rolls 3, 4.
  • Fig. 2 shows in a further schematic representation of a four-high rolling stand 17 with work rolls 3, 4 and support rollers 18, 19.
  • the support rollers 18, 19 equipped with a curved bale contour 15 and supported axially displaceable.
  • Analog shows Fig. 3 a six-high rolling mill 20 with work rolls 3, 4, Support rollers 18, 19 and intermediate rollers 21, 22.
  • the intermediate rollers 21, 22 are equipped with a curved bale contour 15 and supported axially displaceable. While the bale contour acts directly on the rolled strip of the duo rolling stand, the rolling stands are followed by the Fig. 2 and Fig. 3 to a change of the roll gap contour generated by the substantially cylindrical work rolls by the action of the provided with a curved bale contour support or intermediate rolls.
  • the course of the bale contour of the rolls of a pair of rolls is formed by a trigonometric function, preferably a sine function, with particular advantages being achieved with a bale contour produced by a tilted sine function, which lie in a possible minimization of the diameter differences along the bale contour.
  • Fig. 4 shows the curved contour of the roll barrel of the upper and lower work rolls of a duo stand on the basis of a sine function with a roll barrel length of 1540 mm and a contour angle of 72 °. With a work roll displacement of about ⁇ 60 mm, there are already marked differences in diameter across the length of the bale.
  • Fig. 5 shows Fig. 5 the curved contour of the roll barrel based on a tilted sine function. The differences in diameter over the roll barrel length are much smaller here and illustrate the described smoothing effect. Experiments have shown that can be produced with such a contoured roll bales a highest quality requirements fulfilling, flat and wave-free rolled strip.
  • Input variables are the grinding reference length or the bale length, the displacement range, the equivalent roll crowns in the extreme displacement positions as well as the contour angle.
  • Fig. 6 is the example of a contour angle of 70 ° illustrates the importance of this size for a given normalized roll gap profile.
  • the contour angle defines that section of the cosine curve that corresponds to half the loop reference length on the bale.
  • the bale contour can be influenced by varying the contour angle.
  • the choice of a larger contour angle leads to a smaller diameter of the roll bale in an area between the roll center and roll edge, thus in this area to a lower local reduction in rolling stock thickness and ultimately minimizing quarter wave formation.
  • the influence of the contour angle on the empty roll gap contour is in Fig. 7 shown and clearly shows the diameter variation in the quarter range.
  • the nip contour In order to use the rollers equipped with the described bale contour for a dynamic flatness control, the nip contour must be determined by the displacement position of the rollers to each other and be continuously variable over the displacement range.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Control Of Metal Rolling (AREA)
  • Laminated Bodies (AREA)
EP02776955.3A 2001-09-12 2002-09-02 Walzgerüst zur herstellung von walzband Expired - Lifetime EP1425116B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0143301A AT410765B (de) 2001-09-12 2001-09-12 Walzgerüst zur herstellung von walzband
AT14332001 2001-09-12
PCT/EP2002/009764 WO2003022470A1 (de) 2001-09-12 2002-09-02 Walzgerüst zur herstellung von walzband

Publications (2)

Publication Number Publication Date
EP1425116A1 EP1425116A1 (de) 2004-06-09
EP1425116B1 true EP1425116B1 (de) 2015-10-28

Family

ID=3688230

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02776955.3A Expired - Lifetime EP1425116B1 (de) 2001-09-12 2002-09-02 Walzgerüst zur herstellung von walzband

Country Status (7)

Country Link
US (1) US7316146B2 (zh)
EP (1) EP1425116B1 (zh)
CN (1) CN1555297A (zh)
AT (1) AT410765B (zh)
BR (1) BR0212498B1 (zh)
RU (1) RU2300432C2 (zh)
WO (1) WO2003022470A1 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039035A1 (de) * 2000-08-10 2002-02-21 Sms Demag Ag Walzgerüst mit einem CVC-Walzenpaar
DE10218234A1 (de) * 2002-04-24 2003-11-06 Sms Demag Ag Walzeinrichtung mit einer Anzahl von in einem Walzgerüst angeordneten Arbeitswalzen
AU2003903501A0 (en) * 2003-07-07 2003-07-24 Commonwealth Scientific And Industrial Research Organisation A method of forming a reflective authentication device
DE102004020132A1 (de) * 2003-12-23 2005-07-28 Sms Demag Ag Verfahren und Walzgerüst zur mehrfachen Profilbeeinflussung
CN100333845C (zh) * 2004-08-30 2007-08-29 宝山钢铁股份有限公司 一种辊形设计方法和抑制高次浪形的轧辊
BRPI0713147A2 (pt) * 2006-06-14 2012-03-20 Siemens Vai Metals Technologies Gmbh & Co armação de laminação para produção de tira laminada ou chapa
DE102006051728B4 (de) * 2006-10-30 2013-11-21 Outokumpu Nirosta Gmbh Verfahren zum Walzen von Metallbändern, inbesondere von Stahlbändern
DE102009030792A1 (de) * 2008-12-18 2010-06-24 Sms Siemag Ag Verfahren zum Kalibrieren zweier zusammenwirkender Arbeitswalzen in einem Walzgerüst
AT509107B1 (de) * 2009-12-10 2011-09-15 Siemens Vai Metals Tech Gmbh Walzgerüst zur herstellung von walzband
DE102012212532B4 (de) 2012-07-18 2016-12-15 Achenbach Buschhütten GmbH & Co. KG Walzgerüst mit konturierten Walzen
EP3124130A1 (de) 2015-07-28 2017-02-01 Primetals Technologies Austria GmbH Walzenschliff zur gezielten vermeidung von viertelwellen
EP3819035A1 (en) * 2019-11-08 2021-05-12 Primetals Technologies Limited Method of controlling a roll gap in a rolling mill
RU2758397C1 (ru) * 2020-10-08 2021-10-28 Анатолий Васильевич Алдунин Листопрокатная клеть дуппель-кварто
CN115139440B (zh) * 2022-09-06 2022-12-02 启东凯顺机械制造有限公司 一种压延机参数优化控制方法
CN115625211B (zh) * 2022-10-31 2024-04-26 山东省明锐钢板有限公司 一种极薄镀锌铝镁冷轧基板的板形控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517635B2 (zh) * 1971-12-10 1976-03-09
DE3038865C1 (de) 1980-10-15 1982-12-23 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzgeruest mit axial verschiebbaren Walzen
US4519233A (en) * 1980-10-15 1985-05-28 Sms Schloemann-Siemag Ag Roll stand with noncylindrical rolls
DE3213496A1 (de) * 1982-04-10 1983-10-20 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzgeruest mit axial verschiebbaren walzen
DE3602698A1 (de) * 1985-04-16 1986-10-16 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzgeruest mit axial verschiebbaren walzen
DE3620197A1 (de) * 1986-06-16 1987-12-17 Schloemann Siemag Ag Walzwerk zur herstellung eines walzgutes, insbesondere eines walzbandes
DE3712043C2 (de) 1987-04-09 1995-04-13 Schloemann Siemag Ag Walzgerüst mit axial verschiebbaren Walzen
US5218852A (en) * 1989-06-05 1993-06-15 Kawasaki Steel Corporation Multi-roll cluster rolling apparatus
EP0401685B2 (en) * 1989-06-05 2000-03-08 Kawasaki Steel Corporation Multi-roll cluster rolling apparatus
US5622073A (en) * 1991-05-16 1997-04-22 Kawasaki Steel Corporation Six high rolling mill

Also Published As

Publication number Publication date
AT410765B (de) 2003-07-25
CN1555297A (zh) 2004-12-15
WO2003022470A1 (de) 2003-03-20
EP1425116A1 (de) 2004-06-09
BR0212498A (pt) 2004-08-24
BR0212498B1 (pt) 2010-06-15
ATA14332001A (de) 2002-12-15
US7316146B2 (en) 2008-01-08
US20050034501A1 (en) 2005-02-17
RU2300432C2 (ru) 2007-06-10
RU2004110929A (ru) 2005-06-10

Similar Documents

Publication Publication Date Title
EP1425116B1 (de) Walzgerüst zur herstellung von walzband
EP1789210B1 (de) Konvexwalze zur beeinflussung von profil und planheit eines walzbandes
DE2334492C2 (de) Vorrichtung zur kontinuierlichen Steuerung der Ebenheit und Parallelität von Walzgutoberflächen
EP0249801B1 (de) Walzwerk zur Herstellung eines Walzbandes
DE3712043C2 (de) Walzgerüst mit axial verschiebbaren Walzen
DE19719318C2 (de) Verfahren zur Beeinflussung der Bandkontur im Kantenbereich eines Walzenbandes
DE69115746T3 (de) Vier-Walzen-Walzwerk
WO2007144162A1 (de) Walzgerüst zur herstellung von walzband oder blech
EP2379243B1 (de) Verfahren zum kalibrieren zweier zusammenwirkender arbeitswalzen in einem walzgerüst
DE112005002080T5 (de) Verfahren zum Design von Walzenprofil und Walze zur Unterdrückung nichtquadratischer Wellen
DE3624241C2 (de) Verfahren zum Betrieb eines Walzwerkes zur Herstellung eines Walzbandes
EP3253505B1 (de) Verfahren und vorrichtung zum prägewalzen eines bandes
EP2419226B1 (de) Verfahren zum bereitstellen mindestens einer arbeitswalze zum walzen eines walzguts
DE19736767C2 (de) Walzgerüst zum Walzen von Bändern
EP1703999B1 (de) Verfahren und walzgerüst zur mehrfachen profilbeeinflussung
DE19618712B4 (de) Regelverfahren für ein Walzgerüst zum Walzen eines Bandes
EP2509723B1 (de) Walzgerüst zur herstellung von walzband
EP3328565B1 (de) Walzenschliff zur gezielten vermeidung von viertelwellen
DE60010803T2 (de) Verfahren und Vorrichtung zum Walzen eines Bandes
DE69226690T3 (de) Sechs-walzen-walzwerk
EP1699573B1 (de) Kombinierte fahrweisen und gerüsttypen in kalttandemstrassen
EP0953384A2 (de) Verfahren zur Verbesserung der Kontur gewalzten Materials und zur Erhöhung der gewalzten Materiallänge
EP0181474B1 (de) Sechs-Walzen-Walzwerk
EP1188493B1 (de) Regelverfahren zum Walzen eines Bandes in einem Walzgerüst
DE4308743A1 (de) Walzgerüst

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: 20040218

AK Designated contracting states

Kind code of ref document: A1

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

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SEILINGER, ALOIS

Inventor name: KAINZ, ALEXANDER

Inventor name: MAYRHOFER, ANDREAS

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

Owner name: SIEMENS VAI METALS TECHNOLOGIES GMBH & CO

17Q First examination report despatched

Effective date: 20091102

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

Owner name: SIEMENS VAI METALS TECHNOLOGIES GMBH

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20150430

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

Owner name: PRIMETALS TECHNOLOGIES AUSTRIA GMBH

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): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

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: AT

Ref legal event code: REF

Ref document number: 757638

Country of ref document: AT

Kind code of ref document: T

Effective date: 20151115

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 50216101

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50216101

Country of ref document: DE

Representative=s name: KINNSTAETTER, KLAUS, DIPL.-PHYS.UNIV., DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

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

Ref country code: ES

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: 20151028

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

Ref country code: FI

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: 20151028

Ref country code: SE

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: 20151028

Ref country code: GR

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: 20160129

Ref country code: PT

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: 20160229

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

Ref country code: CZ

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: 20151028

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 50216101

Country of ref document: DE

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

Ref country code: EE

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: 20151028

Ref country code: SK

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: 20151028

Ref country code: DK

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: 20151028

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

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

26N No opposition filed

Effective date: 20160729

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

Ref country code: MC

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: 20151028

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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: 20160930

Ref country code: CH

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

Effective date: 20160930

Ref country code: IE

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

Effective date: 20160902

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

Ref country code: LU

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

Effective date: 20160902

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

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

Ref country code: CY

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: 20151028

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

Ref country code: BG

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: 20151028

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

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

Ref country code: GB

Payment date: 20190920

Year of fee payment: 18

Ref country code: AT

Payment date: 20190919

Year of fee payment: 18

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 757638

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200902

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200902

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 NON-PAYMENT OF DUE FEES

Effective date: 20200902

Ref country code: AT

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

Effective date: 20200902

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

Ref country code: FR

Payment date: 20210921

Year of fee payment: 20

Ref country code: NL

Payment date: 20210920

Year of fee payment: 20

Ref country code: IT

Payment date: 20210922

Year of fee payment: 20

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

Ref country code: TR

Payment date: 20210827

Year of fee payment: 20

Ref country code: DE

Payment date: 20210920

Year of fee payment: 20

Ref country code: BE

Payment date: 20210920

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50216101

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MK

Effective date: 20220901

REG Reference to a national code

Ref country code: BE

Ref legal event code: MK

Effective date: 20220902