EP1782896A3 - Verfahren zum Umformen eines Werkstückes und Walzmaschine - Google Patents
Verfahren zum Umformen eines Werkstückes und Walzmaschine Download PDFInfo
- Publication number
- EP1782896A3 EP1782896A3 EP07004135.5A EP07004135A EP1782896A3 EP 1782896 A3 EP1782896 A3 EP 1782896A3 EP 07004135 A EP07004135 A EP 07004135A EP 1782896 A3 EP1782896 A3 EP 1782896A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- different
- same
- workpiece
- forming
- rolling machine
- 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
- 238000005096 rolling process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
-
- 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
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/04—Rolling stand frames or housings; Roll mountings ; Roll chocks with tie rods in frameless stands, e.g. prestressed tie rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
-
- 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
- B21B37/46—Roll speed or drive motor control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Rolling Contact Bearings (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Control Of Metal Rolling (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10309536 | 2003-03-04 | ||
DE10316249A DE10316249B4 (de) | 2003-03-04 | 2003-04-08 | Verfahren zum Umformen eines Werkstückes und Walzmaschine |
EP20040002972 EP1454685B1 (de) | 2003-03-04 | 2004-02-11 | Verfahren zum Umformen eines Werkstücks |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040002972 Division-Into EP1454685B1 (de) | 2003-03-04 | 2004-02-11 | Verfahren zum Umformen eines Werkstücks |
EP20040002972 Division EP1454685B1 (de) | 2003-03-04 | 2004-02-11 | Verfahren zum Umformen eines Werkstücks |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1782896A2 EP1782896A2 (de) | 2007-05-09 |
EP1782896A3 true EP1782896A3 (de) | 2014-02-12 |
EP1782896B1 EP1782896B1 (de) | 2016-12-14 |
Family
ID=32891870
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11162489.6A Expired - Lifetime EP2340898B1 (de) | 2003-03-04 | 2004-01-29 | Walzmaschine |
EP07004135.5A Expired - Lifetime EP1782896B1 (de) | 2003-03-04 | 2004-02-11 | Verfahren zum Umformen eines Werkstückes und Walzmaschine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11162489.6A Expired - Lifetime EP2340898B1 (de) | 2003-03-04 | 2004-01-29 | Walzmaschine |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2340898B1 (de) |
CN (1) | CN100467146C (de) |
DE (3) | DE10316249B4 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005022378B4 (de) | 2005-05-13 | 2007-04-05 | F.B. Lehmann Maschinenfabrik Gmbh | Walzenreibmaschine |
DE102005056649B3 (de) * | 2005-11-25 | 2007-05-31 | Langenstein & Schemann Gmbh | Vorrichtung zum Halten von wenigstens zwei Walzen einer Walzmaschine und Walzmaschine |
DE102010010269C5 (de) | 2010-03-05 | 2023-11-16 | Mercedes-Benz Group AG | Verfahren zum Herstellen eines Statorträgers |
DE102013100302B4 (de) | 2013-01-11 | 2017-02-02 | Langenstein & Schemann Gmbh | Verfahren zum Schmieden, insbesondere Streckschmieden, von metallischen Werkstücken |
DE102013108451B4 (de) | 2013-08-06 | 2022-09-22 | Langenstein & Schemann Gmbh | Querkeilwalzmaschine |
DE102014101151B4 (de) | 2014-01-30 | 2023-08-10 | Langenstein & Schemann Gmbh | Verfahren zum Schmieden, insbesondere Streckschmieden, von metallischen Werkstücken |
DE102014101150B4 (de) | 2014-01-30 | 2024-02-01 | Langenstein & Schemann Gmbh | Verfahren zum Schmieden, insbesondere Streckschmieden, von metallischen Werkstücken |
DE102017113503A1 (de) * | 2017-06-20 | 2018-12-20 | Profiroll Technologies Gmbh | Umformmaschine und Druckumformverfahren |
DE202017007601U1 (de) | 2017-06-20 | 2023-07-03 | Profiroll Technologies GmbH | Umformmaschine |
CN108246808A (zh) * | 2018-01-31 | 2018-07-06 | 湖北环电磁装备工程技术有限公司 | 无框组合式永磁同步电机直驱的辊式楔横轧机 |
CN108555030A (zh) * | 2018-01-31 | 2018-09-21 | 湖北环电磁装备工程技术有限公司 | 无框式永磁同步电机直驱的辊式楔横轧机 |
CN109261716B (zh) * | 2018-09-29 | 2020-02-07 | 安阳复星合力新材料股份有限公司 | 一种冷轧带肋钢筋轧制工艺 |
CN109926449A (zh) * | 2019-03-25 | 2019-06-25 | 浙江泽广泰精密科技有限公司 | 一种伺服式水平两辊轧制装置 |
DE102020132399B4 (de) | 2020-12-07 | 2024-05-16 | Langenstein & Schemann Gmbh | Querwalzvorrichtung, insbesondere Querkeilwalzvorrichtung, Verfahren zum Betrieb einer Querwalzvorrichtung und Steuereinrichtung |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3208251A (en) * | 1961-05-03 | 1965-09-28 | Westinghouse Canada Ltd | Rolling mill control system |
US3358485A (en) * | 1965-02-15 | 1967-12-19 | United States Steel Corp | Measuring and controlling gap between rolls |
GB1329312A (en) * | 1970-08-14 | 1973-09-05 | British Steel Corp | Taper rolling of metals |
US4044580A (en) * | 1975-07-02 | 1977-08-30 | Marotta Scientific Controls, Inc. | Rolling mill gap sensor |
JPS58168452A (ja) * | 1982-03-30 | 1983-10-04 | Sumitomo Metal Ind Ltd | 熱間鍛造における荒地取り方法および装置 |
JPS6082211A (ja) * | 1983-10-04 | 1985-05-10 | Sumitomo Metal Ind Ltd | ロ−ル開度設定方法 |
JPH03151133A (ja) * | 1989-11-09 | 1991-06-27 | Nhk Spring Co Ltd | 板ばねの製造装置および板ばねの製造方法 |
JPH03189006A (ja) * | 1989-12-20 | 1991-08-19 | Nkk Corp | 厚板の走間板厚変更制御方法 |
JPH03226301A (ja) * | 1990-01-31 | 1991-10-07 | Kobe Steel Ltd | リバースミルによる圧延板厚制御方法 |
RU2106223C1 (ru) * | 1996-03-15 | 1998-03-10 | Анатолий Федорович Косов | Вакуумный стан поперечно-клиновой прокатки |
DE10019175A1 (de) * | 1999-05-12 | 2000-12-14 | Hjb Rolling Mill Technology Gm | Verfahren zum Herstellen eines bandförmigen Vormaterials aus Metall, insbesondere eines solchen Vormaterials welches in regelmäßig wiederkehrenden Abschnitten profiliert ist, und die Verwendung einer vorrichtung dafür |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2038783A (en) * | 1932-10-27 | 1936-04-28 | Schloemann Ag | Rolling mill |
CH425704A (de) * | 1962-08-21 | 1966-12-15 | Smeralovy Z Narodni Podnik | Vorrichtung zur Verformung von Werkstücken durch Querwalzen |
FR1426815A (fr) * | 1965-03-24 | 1966-01-28 | Zentrale Entwicklung Konstrukt | Procédé de laminage transversal et longitudinal combiné |
US3731510A (en) * | 1970-06-25 | 1973-05-08 | Mitsubishi Heavy Ind Ltd | Cross-rolling machine having workpiece blank support |
DE2736659A1 (de) * | 1977-08-13 | 1979-02-22 | Krupp Gmbh | Walzenstrassenantriebssystem |
US4457155A (en) * | 1982-03-03 | 1984-07-03 | White Consolidated Industries, Inc. | Overhung bar rolling mill stand and two-axis gauge control system |
ZA837038B (en) * | 1982-10-26 | 1984-06-27 | Kennecott Corp | Hot mill hydraulic direct roll drive |
LU86043A1 (de) * | 1985-08-16 | 1987-03-06 | Arbed | Verfahren und vorrichtung zum einstellen des gleichlaufs eines walzenpaares |
DE3619412A1 (de) * | 1986-06-12 | 1987-12-17 | Hoesch Stahl Ag | Verfahren und vorrichtung zur walzspaltmessung und regelung |
GB8822328D0 (en) * | 1988-09-22 | 1988-10-26 | Stoddard Sekers Int | Pressure roller assembly |
JPH02182339A (ja) * | 1989-01-10 | 1990-07-17 | Kobe Steel Ltd | 圧延異形条材の製造方法 |
CN2060698U (zh) * | 1990-02-15 | 1990-08-22 | 丹东五一八内燃机配件总厂 | 轧锻机 |
DE4435935C3 (de) * | 1994-10-07 | 2003-11-06 | Rieter Werke Haendle | Verfahren zum Einstellen des Walzenspaltes eines Walzwerks und Walzwerk |
DE19526071A1 (de) * | 1995-07-18 | 1997-01-23 | Rollwalztechnik Abele & Hoelti | Verfahren zum Walzen von Profilen in ein Werkstück |
DE19544988C2 (de) * | 1995-12-02 | 2000-09-07 | Anton Breyer Ohg | Positioniersteuerung im Glättwerk |
JP3507645B2 (ja) * | 1997-02-26 | 2004-03-15 | 東芝Itコントロールシステム株式会社 | 圧延用モータ内蔵ロール装置及びこのロール装置を用いた圧延装置 |
EP0947258B1 (de) * | 1998-04-02 | 2006-08-16 | Nissei Co. Ltd. | Rundbacken-Formwalzvorrichtung |
DE10122595C2 (de) * | 2001-05-10 | 2003-05-15 | Sms Eumuco Gmbh | Querwalzmaschine |
-
2003
- 2003-04-08 DE DE10316249A patent/DE10316249B4/de not_active Expired - Lifetime
- 2003-04-28 DE DE2003162061 patent/DE10362061B4/de not_active Expired - Lifetime
- 2003-04-28 DE DE10319258A patent/DE10319258B4/de not_active Expired - Lifetime
-
2004
- 2004-01-29 EP EP11162489.6A patent/EP2340898B1/de not_active Expired - Lifetime
- 2004-02-11 EP EP07004135.5A patent/EP1782896B1/de not_active Expired - Lifetime
- 2004-03-03 CN CN 200610007409 patent/CN100467146C/zh not_active Expired - Lifetime
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3208251A (en) * | 1961-05-03 | 1965-09-28 | Westinghouse Canada Ltd | Rolling mill control system |
US3358485A (en) * | 1965-02-15 | 1967-12-19 | United States Steel Corp | Measuring and controlling gap between rolls |
GB1329312A (en) * | 1970-08-14 | 1973-09-05 | British Steel Corp | Taper rolling of metals |
US4044580A (en) * | 1975-07-02 | 1977-08-30 | Marotta Scientific Controls, Inc. | Rolling mill gap sensor |
JPS58168452A (ja) * | 1982-03-30 | 1983-10-04 | Sumitomo Metal Ind Ltd | 熱間鍛造における荒地取り方法および装置 |
JPS6082211A (ja) * | 1983-10-04 | 1985-05-10 | Sumitomo Metal Ind Ltd | ロ−ル開度設定方法 |
JPH03151133A (ja) * | 1989-11-09 | 1991-06-27 | Nhk Spring Co Ltd | 板ばねの製造装置および板ばねの製造方法 |
JPH03189006A (ja) * | 1989-12-20 | 1991-08-19 | Nkk Corp | 厚板の走間板厚変更制御方法 |
JPH03226301A (ja) * | 1990-01-31 | 1991-10-07 | Kobe Steel Ltd | リバースミルによる圧延板厚制御方法 |
RU2106223C1 (ru) * | 1996-03-15 | 1998-03-10 | Анатолий Федорович Косов | Вакуумный стан поперечно-клиновой прокатки |
DE10019175A1 (de) * | 1999-05-12 | 2000-12-14 | Hjb Rolling Mill Technology Gm | Verfahren zum Herstellen eines bandförmigen Vormaterials aus Metall, insbesondere eines solchen Vormaterials welches in regelmäßig wiederkehrenden Abschnitten profiliert ist, und die Verwendung einer vorrichtung dafür |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Week 199843, Derwent World Patents Index; AN 1998-504398, XP002718229 * |
Also Published As
Publication number | Publication date |
---|---|
DE10362061B4 (de) | 2013-10-17 |
CN1806953A (zh) | 2006-07-26 |
CN100467146C (zh) | 2009-03-11 |
EP2340898A2 (de) | 2011-07-06 |
DE10316249B4 (de) | 2010-04-15 |
EP2340898A3 (de) | 2013-11-27 |
EP1782896B1 (de) | 2016-12-14 |
DE10319258A1 (de) | 2004-09-23 |
EP2340898B1 (de) | 2016-11-02 |
DE10319258B4 (de) | 2006-03-16 |
EP1782896A2 (de) | 2007-05-09 |
DE10316249A1 (de) | 2004-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1782896A3 (de) | Verfahren zum Umformen eines Werkstückes und Walzmaschine | |
DE102006024715B4 (de) | Verfahren zum Bearbeiten der Lagersitze der Haupt- und Hublager von Kurbelwellen sowie Werkzeugmaschine zur Durchführung des Verfahrens | |
US8490449B2 (en) | Tools, machines and processes for deburring cut edges on workpieces | |
EP2392438B1 (de) | Bearbeitungsvorrichtung | |
ATE489193T1 (de) | Vorrichtung zum herstellen metallischer bauteile, insbesondere von zylinderschneckenprofilen, durch rotierende spanende und rollierende bearbeitung von zylindrischen rohteilen | |
EP2878393A1 (de) | Verfahren zum Erfassen einer Außenabmessung eines plattenförmigen Werkstücks | |
DE102013111607A1 (de) | Werkzeug zum Bearbeiten von Werkstücken, insbesondere Blechen | |
EP0936028B1 (de) | Vorrichtung zum Superfinishen bearbeiteter Oberflächen | |
EP1122042A3 (de) | Verfahren zum Fräsen einer Nut in ein plattenförmiges Werkstück sowie Bearbeitungsmaschine zur Durchführung des Verfahrens | |
EP2177291B1 (de) | Verfahren zum schneidenden und/oder umformenden Bearbeiten von Werkstücken | |
WO2008046499A1 (de) | Werkzeug zum bearbeiten von plattenartigen werkstücken | |
DE102007021659B4 (de) | Flachschleifverfahren und Flachschleifmaschine | |
DE60025702D1 (de) | Profilwalzen in einer revolverstanzpresse | |
CA2881186C (en) | Rolled and folded lip and manufacturing method thereof | |
EP1944103A3 (de) | Verfahren und Vorrichtung zum Umformen eines Werkstücks mit automatischer Handhabung | |
EP3246125A1 (de) | Werkzeugschwenkaggregat für eine drehmaschine | |
ATE327062T1 (de) | Biegewerkzeug mit einstellbaren werkstückwiderlagersegmenten sowie biegemaschine mit einem derartigen biegewerkzeug | |
EP1163973A3 (de) | Maschinentisch für eine Bearbeitungsmachine | |
DE102012100680A1 (de) | Verfahren zum Polieren einer ebenen Oberfläche eines Werkstücks aus einem spröden Werkstoff sowie eine Vorrichtung zur Durchführung des Verfahrens | |
EP3139230A3 (de) | Verfahren zur herstellung eines verzahnten werkstückes mit modifizierter oberflächengeometrie | |
ATE388772T1 (de) | Verfahren und formmaschine zum verformen eines werkstücks | |
WO2012025072A2 (de) | Verfahren zur herstellung von gehonten oberflächen | |
EP4117835C0 (de) | Werkzeug und verfahren zum wechseln der arbeitswalze in einem walzwerk | |
WO2007144120A3 (de) | Verfahren und vorrichtung zum masswalzen | |
EP0472253B1 (de) | Verfahren und Vorrichtung zur Kaliberbearbeitung von Warmpilgerwalzen |
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 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 1454685 Country of ref document: EP Kind code of ref document: P |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CZ DE FR IT |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B21H 1/00 20060101ALI20140102BHEP Ipc: B21B 37/58 20060101AFI20140102BHEP Ipc: B21H 1/18 20060101ALI20140102BHEP |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CZ DE FR IT |
|
17P | Request for examination filed |
Effective date: 20140806 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): CZ DE FR IT |
|
AKX | Designation fees paid |
Designated state(s): CZ DE FR IT |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B21B 31/08 20060101ALN20160428BHEP Ipc: B21B 31/04 20060101ALN20160428BHEP Ipc: B21B 37/46 20060101ALN20160428BHEP Ipc: B21H 1/00 20060101ALI20160428BHEP Ipc: B21B 37/58 20060101AFI20160428BHEP Ipc: B21B 35/00 20060101ALN20160428BHEP Ipc: B21B 35/14 20060101ALN20160428BHEP Ipc: B21H 1/18 20060101ALI20160428BHEP |
|
INTG | Intention to grant announced |
Effective date: 20160517 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AC | Divisional application: reference to earlier application |
Ref document number: 1454685 Country of ref document: EP Kind code of ref document: P |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): CZ DE FR IT |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502004015419 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 14 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502004015419 Country of ref document: DE |
|
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 |
Effective date: 20170915 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 15 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20230223 Year of fee payment: 20 Ref country code: CZ Payment date: 20230213 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20230220 Year of fee payment: 20 Ref country code: DE Payment date: 20230227 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 502004015419 Country of ref document: DE |
|
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 EXPIRATION OF PROTECTION Effective date: 20240211 |