EP0942796A1 - Verfahren und vorrichtung zum diskontinuierlichen abstechen von schmelzen - Google Patents
Verfahren und vorrichtung zum diskontinuierlichen abstechen von schmelzenInfo
- Publication number
- EP0942796A1 EP0942796A1 EP97911179A EP97911179A EP0942796A1 EP 0942796 A1 EP0942796 A1 EP 0942796A1 EP 97911179 A EP97911179 A EP 97911179A EP 97911179 A EP97911179 A EP 97911179A EP 0942796 A1 EP0942796 A1 EP 0942796A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- melt
- passage
- inductor
- plug
- vessel
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000155 melt Substances 0.000 claims description 62
- 238000010079 rubber tapping Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 230000005672 electromagnetic field Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 150000002843 nonmetals Chemical class 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/105—Induction heating apparatus, other than furnaces, for specific applications using a susceptor
- H05B6/108—Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/60—Pouring-nozzles with heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
Definitions
- the invention relates to a method for the discontinuous tapping of melts, in particular metal melts, in particular of liquid steel, or molten non-metals, from a vessel through a pass. Furthermore, the invention relates to a device for performing the method.
- the object of the invention is to propose an operationally reliable method of the type mentioned at the outset and a corresponding device.
- the melt flow is stopped by actuating the interruption.
- the melt is then left to freeze in one pass. A secure, double closure of the vessel is thus achieved.
- the interruption is opened and the melt plug is melted by radial, electromagnetic energy supply. This process is also reliable because the use of an oxygen lance is unnecessary.
- the interruption can either be released first and then the melt frozen in the pass can be melted.
- the reverse is preferably carried out in such a way that first the melt frozen in the passage is melted and then the interruption is released. This is possible because the melting does not take place through an oxygen lance from below, but through radial, electromagnetic energy supply.
- This procedure has the advantage that the one forming the interruption Component frozen melt is melted free before the component is moved mechanically. The component is therefore not blocked by frozen melt.
- the cooling and solidification of the melt in the passage after the interruption of the melt flow is supported by means of cooling an inductor provided for the electromagnetic energy supply when the inductor is electrically switched off. As a result, a melt plug that blocks the passage is quickly formed.
- the solidified or completely solidified melt plug melts so quickly that a thin edge zone of the melt plug is liquefied before in
- melt plugs temperature compensation from outside to inside has taken place. Due to the melting plug expanding during melting, the liquefied material is pushed away from its edge zone upwards or downwards, so that the passage is not blown up by the expansion. This can also result in the danger of the run exploding Plugs of melt can expand into the annular space that is released in the process.
- the run consists of an inductively to be remedied that the run is heated up prematurely to the frozen melt and expands so far that the melting electromagnetic field of the inductor coupling material, in particular ceramic, due to the high temperatures of the melts .
- a device for carrying out the described method is characterized in that a passage, in particular a sleeve, is arranged in a melt vessel, the outlet of which can be closed and released by means of a mechanical actuator arrangement known per se, and the passage is by an inductor, in particular an air-cooled one Inductor is surrounded, whose electromagnetic field couples directly to the melt and / or to the flow.
- a passage in particular a sleeve
- the known actuator arrangement can be a plate with a hole and a closure surface. It can also consist of a blind plate and a perforated plate or nozzle.
- Ferrite cores can be provided for the electromagnetic shielding of a metallic holder with which the device is attached to the vessel.
- a sleeve (2) made of refractory ceramic material is installed in the bottom (1) of a metallurgical vessel as a passage for the melt.
- the sleeve (2) forms an outlet opening (3) for the melt, the outlet opening (3) adjoining a mechanical adjusting element arrangement (4) with which the outlet opening (3) can be closed and released.
- the sleeve (2) is surrounded by an inductor (5), the hollow cross-sectional profile of which is flowed through by a cooling medium, in particular air.
- the inductor (5) extends as close as possible to the outlet opening (3).
- Ferrite cores (7) can be provided for electrical shielding against a metallic holder ( ⁇ ) of the adjusting element arrangement (4).
- the known adjusting element arrangement (4) is displaceably guided in the holder (6).
- the adjusting element arrangement (4) consists of an exchangeable nozzle ( ⁇ ) or perforated plate and a blind plate (10). Both are displaceable in a guide (9) of the holder (6) in such a way that when the blind plate is inserted, it pushes the interchangeable nozzle ( ⁇ ) away from the outlet opening (3), after which the blind plate then blocks the outlet opening (3) and a further one is pushed Exchangeable nozzle ( ⁇ ) pushes the blind plate away from the outlet opening (3), the interchangeable nozzle ( ⁇ ) then reaching under the outlet opening (3).
- any other known interruption of the melt flow is also conceivable, such as a copper mandrel inserted into the sleeve (2) from below or a ceramic plug (not shown) inserted from above.
- the operation of the devices described is essentially as follows: If the melt flow is to be stopped, then in the embodiment according to the figure the exchangeable nozzle ( ⁇ ) is pushed away by means of a blind plate until the blind plate blocks the outlet opening (3) or a mandrel or Plug inserted.
- the melt flow is thus primarily interrupted. Subsequently, the melts in the sleeve (2) are allowed to freeze in whole or in part. This can be accelerated in that the inductor (5) is switched off electrically, but its cooling circuit continues to operate, so that a plug of melt is formed in the sleeve (2), which forms a secondary closure.
- melt plug is melted in the sleeve (2).
- the melt plug is at least viscous in an area that solidifies on the blind plate (10) or the closure surface, so that the blind plate can then be pushed away from the outlet opening (3) by means of an interchangeable nozzle ( ⁇ ), so that its hole under the Exit opening (3) arrives. The melt flow is then released again.
- the sleeve (2) is itself exposed to loads when the melt plug located in it melts, due to the fact that the melt plug expands radially during the melting process, so that there is a risk that the sleeve (2) will break or form cracks in it .
- This problem is avoided in the described device by that by means of the inductor (5) a thin edge zone of the jacket region of the melt plug changes into the liquid or viscous state before entering the melt plug from the outside in
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Furnace Charging Or Discharging (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Continuous Casting (AREA)
- Silicon Compounds (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19641169A DE19641169C1 (de) | 1996-10-08 | 1996-10-08 | Verfahren und Vorrichtung zum disontinuierlichen Abstechen von Schmelzen |
DE19641169 | 1996-10-08 | ||
PCT/EP1997/005469 WO1998015374A1 (de) | 1996-10-08 | 1997-10-06 | Verfahren und vorrichtung zum diskontinuierlichen abstechen von schmelzen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0942796A1 true EP0942796A1 (de) | 1999-09-22 |
EP0942796B1 EP0942796B1 (de) | 2000-05-10 |
Family
ID=7807988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97911179A Revoked EP0942796B1 (de) | 1996-10-08 | 1997-10-06 | Verfahren und vorrichtung zum diskontinuierlichen abstechen von schmelzen |
Country Status (9)
Country | Link |
---|---|
US (1) | US6210629B1 (de) |
EP (1) | EP0942796B1 (de) |
JP (1) | JP2001501539A (de) |
KR (1) | KR20000048580A (de) |
AT (1) | ATE192681T1 (de) |
AU (1) | AU4865297A (de) |
DE (2) | DE19641169C1 (de) |
ES (1) | ES2148947T3 (de) |
WO (1) | WO1998015374A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1312884A2 (de) * | 2001-11-16 | 2003-05-21 | SMS Demag AG | Elektrolichtbogenofen |
EP3175939A1 (de) * | 2015-12-01 | 2017-06-07 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss am ausguss eines metallurgischen gefässes |
WO2018099685A1 (de) * | 2016-11-29 | 2018-06-07 | Refractory Intellectual Property Gmbh & Co. Kg | Verfahren sowie eine einrichtung zum detektieren von grössen im ausguss eines metallurgischen gefässes |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19900074A1 (de) * | 1999-01-05 | 2000-07-06 | Didier Werke Ag | Stellglied am Auslauf eines Schmelzengefäßes |
DE19923800C1 (de) * | 1999-05-19 | 2001-03-22 | Sms Demag Ag | Verfahren und Vorrichtung zum Halten und Abstechen von Metallschmelzen |
DE19925038C2 (de) * | 1999-06-01 | 2002-03-28 | Didier Werke Ag | Verfahren und Vorrichtung zum Heißreparieren eines Auslaufes eines insbesondere metallurgischen Gefässes |
US6799595B1 (en) | 2003-03-06 | 2004-10-05 | The United States Of America As Represented By The Secretary Of The Navy | Meltable and reclosable drain plug for molten salt reactor |
KR100622266B1 (ko) | 2005-02-03 | 2006-09-19 | 한국원자력연구소 | 진공이송과 이중용기를 이용한 용융염 정량 고화장치 및방법 |
JP2009504414A (ja) * | 2005-08-19 | 2009-02-05 | アドバーンスト・メタルズ・テクノロジー・カンパニー | 誘導動力が付与されるレードル底部ノズル |
DE102008036790B4 (de) * | 2008-08-07 | 2014-05-15 | Tmt Tapping-Measuring-Technology Gmbh | Abstichkanal zur Ableitung von Eisen- und Metallschmelzen sowie flüssige Schlacke aus metallurgischen Behältern, wie Hochöfen und Schmelzöfen |
DE102009035241B4 (de) * | 2008-08-07 | 2014-06-12 | Tmt Tapping-Measuring-Technology Gmbh | Verfahren und Vorrichtungen zur Regelung der Strömungsgeschwindigkeit und zum Abbremsen von nichtferromagnetischen, elektrisch leitfähigen Flüssigkeiten und Schmelzen |
DE102008036791A1 (de) * | 2008-08-07 | 2010-02-11 | Tmt Tapping-Measuring-Technology Gmbh | Verfahren und Schmelzekanäle zur Unterbrechung und Wiederherstellung des Schmelzestroms von Eisen- und Metallschmelzen, insbesondere in Stichlochkanälen von Hochöfen und Abflusskanälen von Schmelzöfen |
US8192004B2 (en) * | 2009-03-26 | 2012-06-05 | Xerox Corporation | Method and apparatus for melt cessation to limit ink flow and ink stick deformation |
US8366254B2 (en) * | 2009-03-26 | 2013-02-05 | Xerox Corporation | Method and apparatus for melt cessation to limit ink flow and ink stick deformation |
DE102012209504A1 (de) | 2012-06-05 | 2013-12-05 | Sms Siemag Ag | Verfahren zum Öffnen und Schließen einer Abstichöffnung eines metallurgischen Schmelzgefäßes und metallurgisches Schmelzgefäß |
FR3104824B1 (fr) * | 2019-12-13 | 2022-03-11 | Renault Sas | Pack de batterie avec circuit de refroidissement |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE599522C (de) * | 1932-11-02 | 1934-07-04 | Heraeus Vacuumschmelze A G | Abstichvorrichtung fuer metallurgische Schmelzoefen |
BE554119A (de) * | 1956-01-13 | |||
DE1041652B (de) * | 1956-11-17 | 1958-10-23 | Heraeus Gmbh W C | Verfahren zum Betrieb einer Vakuum-Induktionsschmelzanlage |
DE1049547B (de) * | 1956-12-12 | 1959-01-29 | Bochumer Ver Fuer Gussstahlfab | Vorrichtung zum elektrisch gesteuerten Vergiessen von Metall |
DE3427940C2 (de) | 1984-07-28 | 1995-01-19 | Friedhelm Prof Dr Ing Kahn | Verfahren und Vorrichtungen zur Steuerung einer Raumausfüllung durch Metallschmelzen mit Hilfe von elektromagnetischen Feldern |
DE4108153A1 (de) * | 1991-03-14 | 1992-09-17 | Didier Werke Ag | Feuerfestes formteil und dessen verwendung |
US5348566A (en) * | 1992-11-02 | 1994-09-20 | General Electric Company | Method and apparatus for flow control in electroslag refining process |
US5350159A (en) * | 1993-02-18 | 1994-09-27 | Westinghouse Electric Corporation | On/off valve apparatus for use in conjunction with electromagnetic flow control device controlling the flow of liquid metal through an orifice |
DE4428297A1 (de) * | 1994-08-10 | 1996-02-15 | Didier Werke Ag | Feuerfeste Düse und Verfahren zum Vergießen einer Metallschmelze aus einem Gefäß |
US5939016A (en) * | 1996-08-22 | 1999-08-17 | Quantum Catalytics, L.L.C. | Apparatus and method for tapping a molten metal bath |
IT1289009B1 (it) * | 1996-10-21 | 1998-09-25 | Danieli Off Mecc | Dispositivo di spillaggio per forno elettrico ad arco, forno siviera o paniera e relativo procedimento di spillaggio |
-
1996
- 1996-10-08 DE DE19641169A patent/DE19641169C1/de not_active Expired - Fee Related
-
1997
- 1997-10-06 US US09/284,118 patent/US6210629B1/en not_active Expired - Fee Related
- 1997-10-06 AT AT97911179T patent/ATE192681T1/de not_active IP Right Cessation
- 1997-10-06 EP EP97911179A patent/EP0942796B1/de not_active Revoked
- 1997-10-06 AU AU48652/97A patent/AU4865297A/en not_active Abandoned
- 1997-10-06 DE DE59701674T patent/DE59701674D1/de not_active Revoked
- 1997-10-06 ES ES97911179T patent/ES2148947T3/es not_active Expired - Lifetime
- 1997-10-06 KR KR1019990702507A patent/KR20000048580A/ko not_active Application Discontinuation
- 1997-10-06 JP JP10517163A patent/JP2001501539A/ja active Pending
- 1997-10-06 WO PCT/EP1997/005469 patent/WO1998015374A1/de not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9815374A1 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1312884A2 (de) * | 2001-11-16 | 2003-05-21 | SMS Demag AG | Elektrolichtbogenofen |
EP1312884A3 (de) * | 2001-11-16 | 2003-10-01 | SMS Demag AG | Elektrolichtbogenofen |
EP3175939A1 (de) * | 2015-12-01 | 2017-06-07 | Refractory Intellectual Property GmbH & Co. KG | Schiebeverschluss am ausguss eines metallurgischen gefässes |
WO2017093236A1 (de) * | 2015-12-01 | 2017-06-08 | Refractory Intellectual Property Gmbh & Co. Kg | Schiebeverschluss am ausguss eines metallurgischen gefässes |
WO2018099685A1 (de) * | 2016-11-29 | 2018-06-07 | Refractory Intellectual Property Gmbh & Co. Kg | Verfahren sowie eine einrichtung zum detektieren von grössen im ausguss eines metallurgischen gefässes |
RU2766939C2 (ru) * | 2016-11-29 | 2022-03-16 | Рефрактори Интеллектуал Проперти ГмбХ энд Ко. КГ | Способ и устройство для определения различных переменных в носке металлургического конвертера |
Also Published As
Publication number | Publication date |
---|---|
DE59701674D1 (de) | 2000-06-15 |
DE19641169C1 (de) | 1998-05-28 |
EP0942796B1 (de) | 2000-05-10 |
ES2148947T3 (es) | 2000-10-16 |
WO1998015374A1 (de) | 1998-04-16 |
KR20000048580A (ko) | 2000-07-25 |
AU4865297A (en) | 1998-05-05 |
US6210629B1 (en) | 2001-04-03 |
JP2001501539A (ja) | 2001-02-06 |
ATE192681T1 (de) | 2000-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE19641169C1 (de) | Verfahren und Vorrichtung zum disontinuierlichen Abstechen von Schmelzen | |
WO2010015687A1 (de) | Abstichkanal zur ableitung von eisen- und metallschmelzen sowie flüssiger schlacke aus metallurgischen behältern wie hochöfen und schmelzöfen | |
EP0761345A2 (de) | Warmkammer-Druckgiessmaschine | |
EP0193948A1 (de) | Vorrichtung und Verfahren zum Warmhalten von flüssigen Metallschmelzen | |
DE3204389A1 (de) | Vorrichtung und verfahren zum abgiessen von metallschmelzen | |
EP1805330A1 (de) | Abstichrohr für ein metallurgisches schmelzgefäss | |
EP2855713B1 (de) | VERFAHREN ZUM ÖFFNEN UND SCHLIEßEN EINER ABSTICHÖFFNUNG EINES METALLURGISCHEN SCHMELZGEFÄßES UND METALLURGISCHES SCHMELZGEFÄß | |
EP0761347A1 (de) | Verfahren zum Betreiben eines Induktors und Induktor zur Durchführung des Verfahrens | |
WO1998005452A1 (de) | Verfahren, vorrichtung und feuerfester ausguss zum angiessen und/oder vergiessen von flüssigen metallen | |
EP0859678A1 (de) | Verfahren und vorrichtung zum verschliessen einer abstichöffnung | |
EP2310540A2 (de) | Verfahren und schmelzekanäle zur unterbrechung und wiederherstellung des schmelzestroms von eisen- und metallschmelzen in stichlochkanälen von hochöfen und abflusskanälen von schmelzöfen | |
DE1521195B2 (de) | Verfahren und Vorrichtung zum kontinuierlichen Umgießen eines Metallstranges mit einer dicken Schicht eines Metalls mit einem niedrigeren Schmelzpunkt | |
DE19610578C1 (de) | Gasspüleinrichtung | |
WO1998018584A2 (de) | Verfahren, vorrichtung und verschlussglied zum angiessen von flüssigen schmelzen | |
DE3443143A1 (de) | Verfahren und vorrichtung zum oeffnen und schliessen eines stichloches an oefen | |
DE2442469B2 (de) | Verfahren und vorrichtung zum anfahren eines stranges beim horizontalen stranggiessen | |
DE19651534C2 (de) | Verfahren, Vorrichtung und feuerfester Ausguß zum Angießen und/oder Vergießen von flüssigen Metallen | |
DE19603317A1 (de) | Verfahren zum Betreiben eines Induktors und Induktor zur Durchführung des Verfahrens | |
DE19532040C2 (de) | Vorrichtung zum Flüssigmetall-Transport in der Gießhalle eines Schachtofens und Verfahren zum Betrieb dieser Vorrichtung | |
DE202016105609U1 (de) | Kokillenteiler zum Einbau in eine Kokille | |
EP0109348B1 (de) | Stopfenstangenanordnung an Abgussöfen und anderen metallurgischen Gefässen | |
EP2440347A1 (de) | Verfahren und vorrichtung zum umschmelzen von metall in einem elektroofen | |
DE69719035T2 (de) | Giessofen für die automatisches Abgiessen | |
DE19925038C2 (de) | Verfahren und Vorrichtung zum Heißreparieren eines Auslaufes eines insbesondere metallurgischen Gefässes | |
AT407846B (de) | Metallurgisches gefäss |
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: 19990510 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IT LI LU NL PT SE |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
17Q | First examination report despatched |
Effective date: 19991011 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IT LI LU NL PT SE |
|
REF | Corresponds to: |
Ref document number: 192681 Country of ref document: AT Date of ref document: 20000515 Kind code of ref document: T |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 59701674 Country of ref document: DE Date of ref document: 20000615 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: ISLER & PEDRAZZINI AG |
|
ITF | It: translation for a ep patent filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20000810 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: 20000810 |
|
ET | Fr: translation filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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: 20000811 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20000920 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2148947 Country of ref document: ES Kind code of ref document: T3 |
|
PLBQ | Unpublished change to opponent data |
Free format text: ORIGINAL CODE: EPIDOS OPPO |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
26 | Opposition filed |
Opponent name: PECHINEY Effective date: 20010209 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: PECHINEY |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20010924 Year of fee payment: 5 |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20011005 Year of fee payment: 5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20011017 Year of fee payment: 5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20011023 Year of fee payment: 5 Ref country code: BE Payment date: 20011023 Year of fee payment: 5 Ref country code: AT Payment date: 20011023 Year of fee payment: 5 Ref country code: SE Payment date: 20011023 Year of fee payment: 5 Ref country code: LU Payment date: 20011023 Year of fee payment: 5 Ref country code: FI Payment date: 20011023 Year of fee payment: 5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20011026 Year of fee payment: 5 |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20011219 Year of fee payment: 5 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
RDAH | Patent revoked |
Free format text: ORIGINAL CODE: EPIDOS REVO |
|
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: 20020723 |
|
GBPR | Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state |
Free format text: 20020723 |
|
NLR2 | Nl: decision of opposition |
Effective date: 20020723 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: ECNC |