[go: up one dir, main page]

EP1661645B1 - Procédé pour le réglage du débit ainsi qu'orifice de coulée pour récipient métallurgique - Google Patents

Procédé pour le réglage du débit ainsi qu'orifice de coulée pour récipient métallurgique Download PDF

Info

Publication number
EP1661645B1
EP1661645B1 EP05024382A EP05024382A EP1661645B1 EP 1661645 B1 EP1661645 B1 EP 1661645B1 EP 05024382 A EP05024382 A EP 05024382A EP 05024382 A EP05024382 A EP 05024382A EP 1661645 B1 EP1661645 B1 EP 1661645B1
Authority
EP
European Patent Office
Prior art keywords
housing
nozzle
bottom drain
inert gas
upper nozzle
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
EP05024382A
Other languages
German (de)
English (en)
Other versions
EP1661645A2 (fr
EP1661645A3 (fr
Inventor
Martin Kendall
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.)
Heraeus Electro Nite International NV
Original Assignee
Heraeus Electro Nite International NV
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 Heraeus Electro Nite International NV filed Critical Heraeus Electro Nite International NV
Priority to PL05024382T priority Critical patent/PL1661645T3/pl
Publication of EP1661645A2 publication Critical patent/EP1661645A2/fr
Publication of EP1661645A3 publication Critical patent/EP1661645A3/fr
Application granted granted Critical
Publication of EP1661645B1 publication Critical patent/EP1661645B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/42Features relating to gas injection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50Pouring-nozzles
    • B22D41/502Connection arrangements; Sealing means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50Pouring-nozzles
    • B22D41/58Pouring-nozzles with gas injecting means

Definitions

  • the invention relates to a method for regulating the flow through a bottom spout of a metallurgical vessel. Furthermore, the invention relates to a floor spout of a metallurgical vessel.
  • the liquid metal is poured from a distributor, for example, in a continuous casting plant. It flows through a floor spout in the bottom of the distributor housing (a so-called Nozzle).
  • Nozzle a floor spout in the bottom of the distributor housing
  • a disadvantage is the adhesion of material to the wall of the floor spout during the flow. This reduces the opening cross section, so that the flow conditions are adversely affected.
  • an inert gas such as argon is often introduced into the flow opening. Excessively large quantities of gas, however, can adversely affect the quality of the steel, for example, by creating voids in the steel which cause surface damage when the steel is rolled out.
  • JP 1104814 A a bottom nozzle for molten metal is described in which the nozzles are surrounded by a housing. In the housing gas is introduced, which is to penetrate into the nozzle.
  • JP 2004243407 A a heated floor drain is described.
  • JP 59133955 A discloses a bottom spout, wherein at the ends of the nozzle in each case an electrode is arranged, with which the nozzle is heated.
  • a material for a floor spout is used for example in WO 2004/035249 A1 described.
  • a floor spout within a metallurgical vessel is placed in KR 2003-0017154 A or in US 2003/0116893 A1 disclosed.
  • inert gas with the aim to reduce the adhesion of material to the inner wall of the floor spout (so-called clogging), similar to that in JP 2187239 described becomes.
  • a mechanism with a gas supply regulation is off WO 01/56725 A1 known. Nitrogen is according to the Japanese publication JP 8290250 A fed.
  • JP 3193250 discloses a method of observing the adherence of material by means of a plurality of temperature sensors arranged longitudinally of the bottom spout.
  • the introduction of inert gas into the interior of the floor spout is further among other things JP 2002210545 .
  • JP 58061954 and JP 7290422 known.
  • the inert gas supply is controlled in the bottom spout based on the measuring signals of the sensor.
  • the flow rate and / or the pressure is reduced until the sensor signals an increase in determinations and / or the flow rate and / or the pressure are increased until the sensor indicates a decrease or a dissolution of the stipulations.
  • the Inergaszul can be minimized to a minimum, so that little inert gas is fed into the molten metal and as a result less gas inclusions in the finished metal, such as steel, are available.
  • a temperature sensor arranged on or in the outside of the lower nozzle is used as the sensor.
  • the measurement can also be made inductively, resistively, by means of ultrasound or X-rays.
  • the flow rate and / or the pressure be reduced until the measured wall temperature decreases faster than a predetermined limit value of the cooling and / or that the flow rate and / or pressure are increased until the measured wall temperature is less rapid decreases as a predetermined limit of cooling.
  • the molten metal flow may be regulated by means of a valve arranged between the upper and the lower nozzle or a valve arranged above the upper nozzle.
  • a slide valve sliding gate
  • the introduction of the inert gas takes place in the flow opening of the bottom spout below the upper nozzle.
  • argon is used as the inert gas.
  • At least one of the nozzles may conveniently have a heater. It makes sense that below or above the upper nozzle a valve (slide valve or stopper rod) is arranged to control the molten metal flow.
  • a further inventive bottom spout for a metallurgical vessel with an upper nozzle arranged in the bottom of a metallurgical vessel and a lower nozzle disposed below the upper nozzle has a wall of the flow opening through the nozzles formed at least in a molten metal flow-tight manner and is characterized in that the nozzles are at least partially separated from surrounded by a gas-tight housing, that the housing encloses at its lower end, the lower nozzle at its periphery gas-tight, wherein it rests with a part of its inner side on the outside of the nozzle and that a thermally insulating solid disposed between the wall of the flow opening and the housing is.
  • the term "at least partially” is to be understood as meaning that the housing, of course, can not surround the nozzle, for example, at its orifices.
  • the housing prevents the passage of gas, it has an upper and a lower end and is gas-tight in between.
  • the floor spout on two basic seals namely a melt flow seal in the region of the wall of the flow opening and a gas seal in the colder, the flow opening facing away from the bottom spout.
  • less temperature-resistant materials can be used to achieve the gas-tightness.
  • the housing preferably has a plurality of gas-tight connected, preferably superimposed housing parts, wherein at least one housing part with the upper nozzle and / or the bottom of the metallurgical vessel is connected gas-tight, preferably by having a part of its side surface on the outside of the upper Nozzle and / or the soil is applied.
  • a valve for regulating the molten metal flow is arranged above the upper nozzle or between the upper and the lower nozzle.
  • the valve is a stopper rod, in the second case a slide valve.
  • an oxygen getter material in particular from the group of titanium, aluminum, magnesium or zirconium arranged.
  • the housing is expediently at least partially tubular (hollow cylinder) or conical, preferably formed with an oval or circular cross-section.
  • the housing may conveniently be formed of steel and the thermally insulating material may preferably contain alumina. It may make sense that at least one of the nozzles has a heater.
  • FIG. 1 shown bottom spout in the bottom 1 of a distributor for molten steel 2 has within the bottom 1 an upper nozzle 3.
  • electrodes 4 are arranged to produce an electrochemical effect or as a heater.
  • the floor 1 itself has various layers of a refractory material and on its outer side a steel housing 5.
  • a slide valve 6 is arranged to control the molten steel flow and below a lower nozzle 7, which extends into the molten metal container 8, which belongs for example to a continuous casting plant for the steel.
  • a temperature sensor 10 measures the temperature on the outside of the lower nozzle.
  • FIG. 2 is a time-pressure / temperature history shown. As the temperature decreases (thick line), the argon pressure is gradually increased so that the flow of argon into the flow passage causes dissolution of the wall fixings. As a result, increases in the Outside wall measured temperature again up to a constant value. In this way, argon pressure inflow can be minimized, at which the formation of fixes is just prevented or minimized.
  • the in FIG. 3 illustrated bottom spout has a basically two-part seal, namely a melt flow-tight seal along the inside of the flow opening and a housing 14, which realizes a gas-tight seal towards the outside (between the ambient atmosphere and the flow opening), wherein the individual seals arranged in a significantly lower temperature range are.
  • the housing 14 consists of several parts 14a and 14b and is in principle continued in the metal sleeve 15, which comprises the upper nozzle 3 on its outer side and opens into a flange 16, on which a part of the outer surface of the upper housing part 14b is sealingly arranged.
  • the various seals are shown.
  • So-called type 1 seals 17 exist between mutually movable parts on the slide valve 6.
  • Type 2 seals 18 are disposed between refractory parts of the bottom spout 1, that is, for example, between the parts of the spool valve 6 and the upper nozzle 3 and the lower nozzle 7. These type 2 seals 18 are the molten metal or the Temperature of liquid steel at least partially exposed directly. Furthermore, the wall of the flow opening of the floor spout 1 itself is a seal (type 3 seal), which is influenced by the choice of material.
  • the above-described seals are in principle also present in all known arrangements. They may be formed, for example, of alumina. The sealing effect of the Type 3 seals can be improved, inter alia, by high temperature glass layers.
  • the parts of the outer housing 14 form a type 4 seal which are not exposed to molten steel or temperatures of comparable height. These seals may be formed of metal, for example of steel, or of densely sintered ceramic material.
  • Type 5 seals 19 are located between parts of the housing 14 and moving parts of the flow control, such as the push rods 20 of the slide valve 6. They are not exposed to the liquid steel and can, depending on the specific temperature conditions of Inkonel (up to 800 ° C) , made of aluminum, copper or graphite (up to about 450 ° C) or of an elastomeric material (at temperatures up to about 200 ° C) may be formed, as well as the type 6 seals 20 between the individual housing parts.
  • type 7 seals 21 which prevent gas, especially oxygen at the junction along these parts into the cavity 22 between the housing part 14b and the slide valve 6 penetrate. Thereby, a negative pressure within the cavity 22 is ensured against its environment during the passage of the molten metal 2 through the bottom spout 1.
  • This type 7 seal can be made and adjusted by the manufacturer of the nozzles.
  • the upper nozzle 3 may be formed of zirconia, the lower nozzle of alumina. Foam alumina with a low density and closed pores may also be used, as well as alumina graphite, other refractory foam or fiber materials.
  • an oxygen getter material such as titanium, aluminum, magnesium, yttrium or zirconium may be arranged as a mixture with the refractory insulating material or as a sepatates part.
  • Type 1 and Type 2 seals have a leak rate of approximately 10 3 to 10 4 and 10 2 to 10 3 ml / s, respectively, and standard materials for the Type 3 seals result in leakage rates of approximately 10 to 100 ml / s.
  • Type 4 seals result in a negligible leak rate of less than 10 -6 ml / s when metal (such as steel) is used as the material.
  • Type 5 and Type 6 seals can achieve a leak rate of about 10 -4 ml / s when using polymeric material and using appropriately sized graphite seals of about 1 ml / sec.
  • Type 7 seals are similar to a combination of Type 3 and Type 4 seals and can reach a leak rate of approximately 1 to 10 ml / s.
  • the leak rates refer to the operating condition of the floor spout.
  • the normalized leak rate according to the invention is on the order of about 1 to 10 nml / s, while the combination of type 1, type 2 and type 3 seals leads at best to 150 Nml / s.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Continuous Casting (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Thermal Insulation (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Claims (23)

  1. Procédé de réglage du débit par un orifice de coulée d'un récipient métallurgique comportant une buse (3) supérieure disposée dans le fond (1) du récipient métallurgique et une buse (7) inférieure disposée sous la buse supérieure (3), comportant au moins un orifice d'admission de gaz inerte (13) et un capteur (10) monté sur ou dans la buse inférieure (7) grâce auquel l'épaisseur de couche de dépôts dans la buse est déterminée, dans lequel la délivrance de gaz inerte dans l'orifice de coulée est réglée en regard des signaux de mesure du capteur (10).
  2. Procédé selon la revendication 1, caractérisé en ce que, à partir d'un débit existant de gaz inerte ou d'une pression existante de gaz inerte, le débit et/ou la pression sont réduits jusqu'à ce que le capteur (10) signale une augmentation de dépôts et/ou que le débit et/ou la pression sont augmentés jusqu'à ce que le capteur (10) signale une réduction ou une décomposition des dépôts.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'un capteur de température disposé sur ou dans le côté extérieur de la buse inférieure (7) est utilisé comme capteur (10).
  4. Procédé selon la revendication 3, caractérisé en ce que le débit et/ou la pression sont réduits jusqu'à ce que la température de paroi mesurée chute plus rapidement qu'une valeur limite prédéterminée de refroidissement et/ou que le débit et/ou la pression sont augmentés jusqu'à ce que la température de paroi mesurée chute moins rapidement qu'une valeur limite prédéterminée de refroidissement.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la fusion du métal peut être régulée grâce à une soupape (6) disposée au-dessus ou en dessous de la buse supérieure (3).
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que l'introduction du gaz inerte est effectuée dans l'orifice de passage de l'orifice de coulée en dessous de la buse supérieure (3).
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que l'argon est utilisé en tant que gaz inerte.
  8. Orifice de coulée pour un récipient métallurgique en vue de l'exécution du procédé selon l'une des revendications 1 à 7, comportant une buse (3) supérieure disposée dans le fond (1) d'un récipient métallurgique et une buse (7) inférieure disposée en dessous de la buse supérieure (3), dans lequel au moins un orifice d'admission de gaz inerte (13) comportant un raccordement au gaz inerte est disposé en dessous de la buse supérieure (3), dans lequel un capteur (10) est disposé sur ou dans le côté extérieur de la buse inférieure (7) en vue de la détermination de l'épaisseur de couche de dépôts dans la buse et dans lequel le capteur est relié à un régulateur de débit de gaz inerte.
  9. Orifice de coulée selon la revendication 8, caractérisé en ce que le capteur (10) est un capteur de température.
  10. Orifice de coulée selon la revendication 8 ou 9, caractérisé en ce qu'au moins une des buses (3 ; 7) présente un élément de chauffage (4).
  11. Orifice de coulée selon l'une des revendications 8 à 10, caractérisé en ce qu'une soupape (6) pour réguler la fusion du métal est disposée au-dessus ou en dessous de la buse supérieure (3).
  12. Orifice de coulée pour un récipient métallurgique comportant une buse (3) supérieure disposée dans le fond (1) d'un récipient métallurgique et une buse (7) inférieure disposée en dessous de la buse supérieure (3), dans lequel la paroi de l'orifice de passage est réalisée au moins étanche à la fusion du métal grâce aux buses (3 ; 7), dans lequel les buses (3 ; 7) sont entourées au moins partiellement par un boîtier étanche au gaz (14), dans lequel le boîtier (14) à son extrémité inférieure entoure de façon étanche au gaz la buse inférieure (7) sur sa périphérie, caractérisé en ce que le boîtier (14) vient en contact du côté extérieur de la buse (7) avec une partie de son côté interne et en ce qu'un matériau solide thermiquement isolant est disposé entre la paroi de l'orifice de passage et le boîtier (14).
  13. Orifice de coulée selon la revendication 12, caractérisé en ce que le boîtier (14) présente plusieurs parties de boîtier (14a ; 14b) reliées les unes aux autres de façon étanche au gaz, dans lequel au moins une partie de boîtier (14b) est reliée de façon étanche au gaz à la buse supérieure (3) et/ou au fond (1).
  14. Orifice de coulée selon la revendication 12 ou 13, caractérisé en ce qu'une soupape (6) pour réguler la fusion du métal est disposée au-dessus de la buse supérieure (3) ou entre les buses supérieure et inférieure.
  15. Orifice de coulée selon l'une des revendications 12 à 14, caractérisé en ce qu'un matériau getter est disposé à l'intérieur du boîtier (14) ou dans le matériau solide thermiquement isolant.
  16. Orifice de coulée selon l'une des revendications 12 à 15, caractérisé en ce qu'au moins une partie du boîtier (14) est réalisée de forme tubulaire ou conique.
  17. Orifice de coulée selon l'une des revendications 12 à 16, caractérisé en ce que le boîtier (14) est réalisé en acier.
  18. Orifice de coulée selon l'une des revendications 12 à 17, caractérisé en ce qu'au moins une des buses (3 ; 7) présente un élément de chauffage (4).
  19. Orifice de coulée selon la revendication 13, caractérisé en ce que le boîtier (14) présente des parties de boîtier (14a ; 14b) disposées les unes au-dessus des autres.
  20. Orifice de coulée selon la revendication 13, caractérisé en ce que la partie de boîtier (14b) vient en contact avec une partie de sa surface latérale d'un côté extérieur de la buse supérieure (3) et/ou du fond (1).
  21. Orifice de coulée selon la revendication 15, caractérisé en ce que le matériau getter est formé à partir du groupe constitué par le titane, l'aluminium, le magnésium ou le zirconium.
  22. Orifice de coulée selon la revendication 16, caractérisé en ce que la partie tubulaire ou conique du boîtier (14) est réalisée avec une section en coupe ovale ou circulaire.
  23. Orifice de coulée selon l'une des revendications 12 à 17, caractérisé en ce que le matériau solide thermiquement isolant contient principalement de l'oxyde d'aluminium.
EP05024382A 2004-11-26 2005-11-09 Procédé pour le réglage du débit ainsi qu'orifice de coulée pour récipient métallurgique Expired - Lifetime EP1661645B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05024382T PL1661645T3 (pl) 2004-11-26 2005-11-09 Sposób regulacji przepływu przez wylew kadziowy zbiornika metalurgicznego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004057381A DE102004057381A1 (de) 2004-11-26 2004-11-26 Verfahren zur Regelung des Durchflusses sowie Bodenausguss für ein metallurgisches Gefäß

Publications (3)

Publication Number Publication Date
EP1661645A2 EP1661645A2 (fr) 2006-05-31
EP1661645A3 EP1661645A3 (fr) 2006-11-08
EP1661645B1 true EP1661645B1 (fr) 2008-12-10

Family

ID=36097343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05024382A Expired - Lifetime EP1661645B1 (fr) 2004-11-26 2005-11-09 Procédé pour le réglage du débit ainsi qu'orifice de coulée pour récipient métallurgique

Country Status (18)

Country Link
US (2) US8273288B2 (fr)
EP (1) EP1661645B1 (fr)
JP (1) JP4658785B2 (fr)
KR (1) KR101092125B1 (fr)
CN (1) CN1781626B (fr)
AR (1) AR051232A1 (fr)
AT (1) ATE416866T1 (fr)
AU (1) AU2005234658B2 (fr)
BR (1) BRPI0505332A (fr)
CA (1) CA2523666C (fr)
DE (2) DE102004057381A1 (fr)
ES (1) ES2319309T3 (fr)
MX (1) MXPA05012744A (fr)
PL (1) PL1661645T3 (fr)
PT (1) PT1661645E (fr)
RU (2) RU2381869C2 (fr)
UA (2) UA80339C2 (fr)
ZA (1) ZA200509511B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004057381A1 (de) * 2004-11-26 2006-06-01 Heraeus Electro-Nite International N.V. Verfahren zur Regelung des Durchflusses sowie Bodenausguss für ein metallurgisches Gefäß
KR20080113771A (ko) * 2007-06-26 2008-12-31 주식회사 포스코 노즐의 막힘 방지 장치, 이를 구비한 연속 주조 장치, 이를이용한 노즐 막힘 방지 방법 및 연속 주조 방법
DE102009020990A1 (de) 2009-05-12 2010-11-18 Heraeus Electro-Nite International N.V. Bodenausguss zum Einsatz in einen Behälter für Metallschmelzen
US20110049197A1 (en) * 2009-08-06 2011-03-03 Paul Anthony Withey Liquid device having filter
BE1020419A5 (nl) 2010-10-18 2013-10-01 Soudal Handbediening applicator geschikt voor pistoolklep containers.
DE102010050936A1 (de) 2010-11-11 2012-05-16 Heraeus Electro-Nite International N.V. Bodenausgussdüse für die Anordnung im Boden eines metallurgischen Gefäßes
CN103487249B (zh) * 2013-10-08 2017-01-11 首钢京唐钢铁联合有限责任公司 连铸扇形段喷嘴工作状态判定系统及判定方法
KR101646680B1 (ko) * 2014-12-04 2016-08-09 주식회사 포스코 래들 개공용 모니터링장치 및 그 제어방법
NL2018720B1 (en) * 2017-04-14 2018-10-24 Bond High Performance 3D Tech B V Three-dimensional modeling method and system
KR102115890B1 (ko) * 2018-08-03 2020-05-27 주식회사 포스코 주조 장치 및 주조 방법
JP7230782B2 (ja) * 2019-11-15 2023-03-01 トヨタ自動車株式会社 鋳造装置
KR102324539B1 (ko) * 2020-03-18 2021-11-10 조선내화 주식회사 기능이 개선된 용강 주조용 웰 블럭 및 이의 제조방법
WO2021214513A1 (fr) * 2020-04-20 2021-10-28 Arcelormittal Procédé de détermination de la durée de vie restante d'une vanne tiroir à injection d'argon
CN112157240B (zh) * 2020-09-30 2022-03-22 首钢集团有限公司 一种结晶器浸入式水口堵塞的检测方法
US20220111434A1 (en) * 2020-10-08 2022-04-14 Wagstaff, Inc. Material, apparatus, and method for refractory castings
US20240357712A1 (en) 2023-04-21 2024-10-24 Wagstaff, Inc. Material, apparatus, and method for electrically shielding heated components

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49119424U (fr) * 1973-02-12 1974-10-12
US3825241A (en) * 1973-10-26 1974-07-23 Steel Corp Apparatus for introducing gas to hot metal in a bottom pour vessel
JPS571723A (en) 1980-06-05 1982-01-06 Toppan Printing Co Ltd Manufacture of oriented hollow vessel
JPS5861954A (ja) * 1981-10-09 1983-04-13 Mitsubishi Heavy Ind Ltd 密閉型連続鋳造設備
CH650176A5 (fr) * 1982-08-23 1985-07-15 Daussan & Co Dispositif pour la coulee du metal fondu.
JPS59133955A (ja) * 1983-01-21 1984-08-01 Nippon Steel Corp 連続鋳造用ノズルの加熱装置
JPS613653A (ja) * 1984-06-15 1986-01-09 Kawasaki Steel Corp シ−ル機構を有するスライデイングノズル装置
JPS61206559A (ja) * 1985-03-12 1986-09-12 Daido Steel Co Ltd 溶鋼流のガスシ−ル方法
DE3512907C2 (de) * 1985-04-11 1991-01-03 Stopinc Ag, Baar Ausgusshülse für einen Metalschmelze enthaltenden Behälter
JPH0184861U (fr) * 1987-11-27 1989-06-06
JPH0688127B2 (ja) * 1988-03-09 1994-11-09 川崎製鉄株式会社 スラグ流出検知方法
JP2647707B2 (ja) * 1989-01-12 1997-08-27 新日本製鐵株式会社 タンディッシュへの注湯方法
JPH02200362A (ja) * 1989-01-30 1990-08-08 Kawasaki Steel Corp 連続鋳造装置におけるノズル詰まり予測方法およびノズル詰まり抑制方法
JPH03193250A (ja) * 1989-12-25 1991-08-23 Kawasaki Steel Corp タンディッシュ浸漬ノズル詰まり検出方法
DE4007993A1 (de) * 1990-03-13 1991-09-19 Zimmermann & Jansen Gmbh Schieberverschluss fuer ein metallurgisches giessgefaess, insbesondere eine giesspfanne
DE4024520A1 (de) * 1990-08-02 1992-02-06 Didier Werke Ag Verbindung zwischen dem auslauf eines metallurgischen gefaesses und einem schutzrohr oder eintauchausguss
JPH04270042A (ja) * 1991-02-26 1992-09-25 Daido Steel Co Ltd 連続鋳造方法および連続鋳造用タンディッシュのスライディングノズルシール装置
JP2744853B2 (ja) * 1991-03-29 1998-04-28 品川白煉瓦株式会社 スライドバルブ装置用プレート煉瓦カートリッジ及び該カートリッジを用いたスライドバルブ装置
JP2826953B2 (ja) * 1994-04-20 1998-11-18 東京窯業株式会社 タンディッシュ上部ノズルの鋳込成形方法
JP3193250B2 (ja) 1994-12-19 2001-07-30 アサヒビール株式会社 隔膜式圧力計
JP3484820B2 (ja) * 1995-04-20 2004-01-06 大同特殊鋼株式会社 快削鋼の連続鋳造方法
WO1997004901A1 (fr) 1995-07-27 1997-02-13 Usx Engineers And Consultants, Inc. Entree limitee de gaz dans un moule a coulee en continu
JPH09126858A (ja) * 1995-10-30 1997-05-16 Nittetsu Hokkaido Seigyo Syst Kk 連続鋳造設備における湯面レベル測定装置
JPH11104814A (ja) * 1997-10-01 1999-04-20 Toshiba Ceramics Co Ltd 鋳造用ノズル
JPH11170033A (ja) * 1997-12-12 1999-06-29 Nippon Steel Corp スライディングノズルのシール方法
JPH11300451A (ja) * 1998-04-22 1999-11-02 Furukawa Electric Co Ltd:The 竪型連続鋳造用受台および前記受台を用いた竪型連続鋳造方法
US6322912B1 (en) * 1998-09-16 2001-11-27 Cabot Corporation Electrolytic capacitor anode of valve metal oxide
JP2000153348A (ja) * 1998-11-17 2000-06-06 Nkk Corp 配線類の保護構造
US6250521B1 (en) * 2000-02-02 2001-06-26 Ltv Steel Company, Inc. Preventing air aspiration in slide gate plate throttling mechanisms
JP2002143994A (ja) * 2000-11-07 2002-05-21 Daido Steel Co Ltd 連続鋳造装置のスライディングゲート部からの外気侵入防止構造
JP2002153951A (ja) * 2000-11-22 2002-05-28 Akechi Ceramics Co Ltd 連続鋳造用浸漬ノズル
JP2002210545A (ja) * 2001-01-17 2002-07-30 Toshiba Ceramics Co Ltd 連続鋳造用ノズル
KR100807680B1 (ko) * 2001-08-24 2008-02-28 주식회사 포스코 침지노즐의 내부 부정압 보상장치
KR100817146B1 (ko) 2001-09-07 2008-03-27 주식회사 포스코 턴디쉬 상부노즐의 개재물 부착 방지장치 및 그 방지방법
US6660220B2 (en) * 2001-12-21 2003-12-09 Isg Technologies Inc. Apparatus and method for delivering an inert gas to prevent plugging in a slide gate
KR20030054769A (ko) * 2001-12-26 2003-07-02 주식회사 포스코 주편 내의 공기 흡입이 감소되는 연속주조방법
TW200420371A (en) * 2002-10-16 2004-10-16 Vesuvius Crucible Co Resin-bonded, gas purged nozzle
JP2004243407A (ja) * 2003-02-17 2004-09-02 Sumitomo Metal Ind Ltd Mg合金溶湯の連続鋳造方法
DE102004057381A1 (de) * 2004-11-26 2006-06-01 Heraeus Electro-Nite International N.V. Verfahren zur Regelung des Durchflusses sowie Bodenausguss für ein metallurgisches Gefäß

Also Published As

Publication number Publication date
RU2433887C2 (ru) 2011-11-20
ZA200509511B (en) 2006-08-30
EP1661645A2 (fr) 2006-05-31
PT1661645E (pt) 2009-03-17
BRPI0505332A (pt) 2006-07-11
CN1781626B (zh) 2014-04-16
CA2523666C (fr) 2010-06-01
US20100147904A1 (en) 2010-06-17
DE102004057381A1 (de) 2006-06-01
DE502005006195D1 (de) 2009-01-22
US20060113059A1 (en) 2006-06-01
KR101092125B1 (ko) 2011-12-12
UA80339C2 (uk) 2007-09-10
PL1661645T3 (pl) 2009-05-29
JP4658785B2 (ja) 2011-03-23
ATE416866T1 (de) 2008-12-15
KR20060059219A (ko) 2006-06-01
CN1781626A (zh) 2006-06-07
JP2006150453A (ja) 2006-06-15
AU2005234658A1 (en) 2006-06-15
US8273288B2 (en) 2012-09-25
RU2381869C2 (ru) 2010-02-20
UA85630C2 (ru) 2009-02-10
AR051232A1 (es) 2006-12-27
AU2005234658B2 (en) 2008-01-17
CA2523666A1 (fr) 2006-05-26
MXPA05012744A (es) 2006-07-10
EP1661645A3 (fr) 2006-11-08
ES2319309T3 (es) 2009-05-06
RU2009135250A (ru) 2011-03-27
RU2005136813A (ru) 2007-05-27
US8012405B2 (en) 2011-09-06

Similar Documents

Publication Publication Date Title
EP1661645B1 (fr) Procédé pour le réglage du débit ainsi qu'orifice de coulée pour récipient métallurgique
DE69504027T2 (de) Gussteil mit einer äusseren schicht geeignet zur bildung einer gasdichten schicht sowie herstellungsverfahren dafür
DE2734388C2 (de) Verfahren und Vorrichtung zum Stranggießen
DE1935401C2 (de) Schiebeverschluß für mit einer Bodenausgußöffnung versehene Gießpfannen oder dergleichen Behälter zum Gießen von flüssigen Metallen, insbesondere Stahl
DE112007001744T5 (de) Methode und Vorrichtung zur Temperaturregelung in einem Stranggiessofen
DE19826085C2 (de) Verfahren und Vorrichtung zum Abdichten einer Abstichöffnung in metallurgischen Gefäßen
DE3339586C2 (fr)
DE10392959B4 (de) Aluminiumgusslegierungsstrang und Verfahren zu dessen Herstellung und Vorrichtung dafür
DE69706192T2 (de) Anlage zum transport flüssigen metalls betriebsverfahren und feuerfestes material
DE2238033A1 (de) Vorrichtung zum formguss duenner schichten
DE3638249C2 (fr)
WO2012062414A1 (fr) Buse de coulée de fond destinée à être disposée dans le fond d'un récipient métallurgique
DE3406076C2 (fr)
DE4116071A1 (de) Verfahren zum vergiessen von dentalmetallen
DE69324984T2 (de) Giessrohr für Metall und Verfahren zu seiner Herstellung
DE112022000048T5 (de) Pfannenflusssteuervorrichtung zur Verhinderung der Erstarrung von geschmolzenem Stahl
DE3207777C2 (de) Verfahren und Vorrichtung zum Rohrstranggießen von Metallen, inbes. Nickel- und Kobaltlegierungen
DE2118149A1 (de) Verfahren und Vorrichtung zum kontinuierlichen Abziehen von unter elektrisch leitender Schlacke umgeschmolzenen Metallen
DE202015001370U1 (de) Stopfen in einem Verteilergefäß
DE102012208538B4 (de) Gießpfanne für eine Metallschmelze
DE69213005T2 (de) Verfahren und vorrichtung zur herstellung von amorphem metalldraht auf eisenbasis
DE2740070A1 (de) Giessrohr
DE60019877T2 (de) Feingiessen unter Verwendung eines Giesstümpelreservoirs mit invertiertem Schmelzzuführungsanschnitt
DE3227132A1 (de) Verfahren und vorrichtung zum kontinuierlichen giessen von aluminiumhaltigen stahl- und legierungsschmelzen
AU2007249057A1 (en) Regulation method for throughflow and bottom nozzle of a metallurgical vessel

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: 20051115

AK Designated contracting states

Kind code of ref document: A2

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

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

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

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

RIC1 Information provided on ipc code assigned before grant

Ipc: B22D 41/58 20060101ALI20061002BHEP

Ipc: B22D 41/24 20060101ALI20061002BHEP

Ipc: B22D 41/50 20060101ALI20061002BHEP

Ipc: B22D 41/42 20060101AFI20060411BHEP

Ipc: B22D 11/106 20060101ALI20061002BHEP

Ipc: B22D 11/10 20060101ALI20061002BHEP

17Q First examination report despatched

Effective date: 20070605

AKX Designation fees paid

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

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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 HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI 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: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 502005006195

Country of ref document: DE

Date of ref document: 20090122

Kind code of ref document: P

REG Reference to a national code

Ref country code: PT

Ref legal event code: SC4A

Free format text: AVAILABILITY OF NATIONAL TRANSLATION

Effective date: 20090309

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

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

Ref country code: LT

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: 20081210

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2319309

Country of ref document: ES

Kind code of ref document: T3

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

Ref country code: SI

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: 20081210

Ref country code: LV

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: 20081210

REG Reference to a national code

Ref country code: PL

Ref legal event code: T3

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

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

Ref country code: RO

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: 20081210

Ref country code: IE

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: 20081210

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: 20090310

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: 20081210

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

Ref country code: IS

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: 20090410

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

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: 20081210

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

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

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: 20081210

26N No opposition filed

Effective date: 20090911

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 NON-PAYMENT OF DUE FEES

Effective date: 20091130

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: 20090311

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: 20091109

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

Ref country code: HU

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: 20090611

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: 20081210

REG Reference to a national code

Ref country code: NL

Ref legal event code: SD

Effective date: 20120809

REG Reference to a national code

Ref country code: PT

Ref legal event code: PC4A

Owner name: RHI AG, AT

Effective date: 20120823

REG Reference to a national code

Ref country code: CH

Ref legal event code: PUE

Owner name: RHI AG

Free format text: HERAEUS ELECTRO-NITE INTERNATIONAL N.V.#CENTRUM ZUID 1105#3530 HOUTHALEN (BE) -TRANSFER TO- RHI AG#WIENERBERGSTRASSE 9,#1100 VIENNA (AT)

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

Owner name: RHI AG, AT

Effective date: 20120803

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20120816 AND 20120822

REG Reference to a national code

Ref country code: ES

Ref legal event code: PC2A

Owner name: RHI AG

Effective date: 20120907

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502005006195

Country of ref document: DE

Representative=s name: BECKER UND KOLLEGEN, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502005006195

Country of ref document: DE

Owner name: RHI AG, AT

Free format text: FORMER OWNER: HERAEUS ELECTRO-NITE INTERNATIONAL N.V., HOUTHALEN, BE

Effective date: 20121129

Ref country code: DE

Ref legal event code: R082

Ref document number: 502005006195

Country of ref document: DE

Representative=s name: PATENTANWAELTE BECKER & MUELLER, DE

Effective date: 20121129

Ref country code: DE

Ref legal event code: R082

Ref document number: 502005006195

Country of ref document: DE

Representative=s name: PATENTANWAELTE BECKER & MUELLER, DE

Effective date: 20121120

REG Reference to a national code

Ref country code: AT

Ref legal event code: PC

Ref document number: 416866

Country of ref document: AT

Kind code of ref document: T

Owner name: RHI AG, AT

Effective date: 20130517

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

Ref country code: CH

Payment date: 20141120

Year of fee payment: 10

Ref country code: GB

Payment date: 20141120

Year of fee payment: 10

Ref country code: ES

Payment date: 20141120

Year of fee payment: 10

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

Ref country code: PT

Payment date: 20141030

Year of fee payment: 10

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

Ref country code: IT

Payment date: 20141121

Year of fee payment: 10

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

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

Ref country code: FI

Payment date: 20151120

Year of fee payment: 11

Ref country code: DE

Payment date: 20151202

Year of fee payment: 11

Ref country code: TR

Payment date: 20151106

Year of fee payment: 11

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

Ref country code: PL

Payment date: 20151103

Year of fee payment: 11

Ref country code: CZ

Payment date: 20151026

Year of fee payment: 11

Ref country code: NL

Payment date: 20151124

Year of fee payment: 11

Ref country code: FR

Payment date: 20151124

Year of fee payment: 11

Ref country code: SE

Payment date: 20151123

Year of fee payment: 11

Ref country code: AT

Payment date: 20151120

Year of fee payment: 11

Ref country code: BE

Payment date: 20151124

Year of fee payment: 11

REG Reference to a national code

Ref country code: PT

Ref legal event code: MM4A

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

Effective date: 20160509

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Effective date: 20151109

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

Effective date: 20151109

Ref country code: CH

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

Effective date: 20151130

Ref country code: LI

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

Effective date: 20151130

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 NON-PAYMENT OF DUE FEES

Effective date: 20160509

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: 20151109

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20161228

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

Ref country code: BE

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

Effective date: 20161130

Ref country code: ES

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

Effective date: 20151110

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502005006195

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: NL

Ref legal event code: MM

Effective date: 20161201

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 416866

Country of ref document: AT

Kind code of ref document: T

Effective date: 20161109

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 NON-PAYMENT OF DUE FEES

Effective date: 20161109

Ref country code: CZ

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

Effective date: 20161109

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20170731

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

Ref country code: AT

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

Effective date: 20161109

Ref country code: SE

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

Effective date: 20161110

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

Ref country code: NL

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

Effective date: 20161201

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

Ref country code: FR

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

Effective date: 20161130

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: 20170601

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20161130

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

Ref country code: PL

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

Effective date: 20161109

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

Ref country code: TR

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

Effective date: 20161109