EP0015892B1 - Supporting and guiding frame for a curved continuous-casting plant - Google Patents

Supporting and guiding frame for a curved continuous-casting plant Download PDF

Info

Publication number
EP0015892B1
EP0015892B1 EP80890020A EP80890020A EP0015892B1 EP 0015892 B1 EP0015892 B1 EP 0015892B1 EP 80890020 A EP80890020 A EP 80890020A EP 80890020 A EP80890020 A EP 80890020A EP 0015892 B1 EP0015892 B1 EP 0015892B1
Authority
EP
European Patent Office
Prior art keywords
supporting
support
segment
carrying frame
roller
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
Application number
EP80890020A
Other languages
German (de)
French (fr)
Other versions
EP0015892A1 (en
EP0015892B2 (en
Inventor
Werner Scheurecker
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.)
Voestalpine AG
Original Assignee
Voestalpine AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3519660&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0015892(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voestalpine AG filed Critical Voestalpine AG
Publication of EP0015892A1 publication Critical patent/EP0015892A1/en
Publication of EP0015892B1 publication Critical patent/EP0015892B1/en
Application granted granted Critical
Publication of EP0015892B2 publication Critical patent/EP0015892B2/en
Expired legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1285—Segment changing devices for supporting or guiding frames

Definitions

  • the invention relates to a support and guide frame for a continuous casting system with interchangeable support segments, in which the rollers of the opposing inner and outer guideway are mounted at a distance from one another, the support segments being supported on an advantageously divided supporting frame.
  • Support and guide frames of this type are already known from DE-C No. 2425883.
  • a guide roller independent of this is provided for each support segment and is fixedly mounted in a bearing block on the support frame.
  • the individual support segments are pulled up along extension rails and then taken to the workshop with a crane.
  • Repaired or replacement segments are in turn used in the same way via the removal rails, with the difficulty that the support segments have to be readjusted compared to the permanently mounted roller, which requires a corresponding effort.
  • Another disadvantage of the known scaffolding is that there is uneven wear between the roller that is permanently mounted on the support frame and the rollers that are overhauled in the workshop, which results in deviations from the specified guideway and thus a loss in quality of the strand surface.
  • the invention aims to avoid these difficulties and disadvantages and has as its object to provide a support and guide structure for a continuous sheet casting installation, with which the individual support segments can be quickly exchanged towards the inside of the arch, and all rollers of the support segment being adjusted Display unit without having to make adjustments to the support frame when replacing a support segment.
  • the invention achieves the object in the case of a support and guide frame of the type described in the introduction in that at least one edge-side roller of the outer track is detachably fastened to the support segment on each support segment.
  • the detachable roller is advantageously mounted on a cross member running transversely to the support frame and the cross member can be placed in a recess on the support frame after being released from the support segment.
  • the parts of the divided support frame are expediently stored in a fixed bearing and in a floating bearing oriented concentrically or tangentially to the curve of the arch.
  • Fig. 1 is a schematic side view of a part of the guide arch, which has a circular cross section, in the built-in, i.e. shows in the ready-to-pour condition.
  • 2 shows a similar illustration during the removal of a support segment.
  • Fig. 1 With 1 and 2 adjacent parts of the support frame are shown, which are mounted at 3 in a pivotable fixed bearing and at 4 in a floating bearing on a bolt 5.
  • the hook-shaped part 6 of these support frame parts contains a slot directed in the direction of the curvature or tangent of the arc, so that the support frame parts can expand without dislocations when exposed to heat.
  • the support frame parts contain support surfaces 7, 7 'to be machined inwards, on each of which a support segment 8, 8' is supported. These support segments have machined counter surfaces 9, 9 'which match the support surfaces 7, 7', so that the individual segments can easily be installed without fitting work in the event of an exchange.
  • Another pocket 11 or recess of rectangular cross section is located on the end face of adjacent support segments.
  • the rollers 12 of the inner web and the rollers 13 of the outer web are mounted opposite one another at a distance from one another, the first roller on the edge, which is designated by 14, being releasably attached to the support segment, etc. such that it is mounted on a cross member 15, which in turn can be fastened to the segment with screws 16.
  • two or more rollers of the outer guideway can also be mounted on the cross member 15, which is advantageous when the space is limited with narrow roller division and large strand thicknesses. It is of course also possible to design releasable on the outlet side instead of rollers on the inlet side.
  • the cross members 15 lie in the installed, ready-to-cast state, as shown in FIG. 1, opposite the pockets 10 and 11, respectively.
  • a support segment is removed, as shown in FIG. 2, the cross member 15 with the roller 14 is released from the support segment and placed in the pocket 10.
  • the support segment 8 ' can then be removed in a guided manner on expansion rails 17, whereupon the cross member 15 which has meanwhile been offset can be made up for with the roller 14.
  • This cross member 15 with the roller 14 can advantageously be pulled laterally out of the system.
  • the rollers of the support segment 8 'are reworked and the roller 14 is also adapted during this reworking, so that no uneven wear or dislocation can occur between the releasable and the other rollers.
  • the installation of the support segment is carried out in the reverse way of working by placing or pulling the cross member 15 with the roller 14 into the pocket and then inserting the support segment over the rails 17. Since the connecting holes between the cross member 15 and the support segment 8 'are pre-drilled, fitting work is required no longer required on the system. Instead of fitting screws, other form-fitting fitting and connecting means can also be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Lining And Supports For Tunnels (AREA)

Description

Die Erfindung betrifft ein Stütz- und Führungsgerüst für eine Bogenstranggiessanlage mit auswechselbaren Stützsegmenten, in denen die Rollen der einander gegenüberliegenden inneren und äusseren Führungsbahn im Abstand voneinander gelagert sind, wobei die Stützsegmente an einem vorteilhaft geteilt ausgeführten Tragrahmen abgestützt sind.The invention relates to a support and guide frame for a continuous casting system with interchangeable support segments, in which the rollers of the opposing inner and outer guideway are mounted at a distance from one another, the support segments being supported on an advantageously divided supporting frame.

Stütz- und Führungsgerüste dieser Art sind bereits aus der DE-C Nr. 2425883 bekannt. Bei diesem bekannten Gerüst ist je Stützsegment eine von diesem unabhängige Führungsrolle vorgesehen, die fest in einem Lagerbock am Tragrahmen montiert ist. Die einzelnen Stützsegmente werden im Reparaturfall entlang von Ausbauschienen hochgezogen und dann mit einem Kran zur Werkstätte geführt. Reparierte oder Austauschsegmente werden in gleicher Weise über die Ausbauschienen wiederum eingesetzt, wobei die Schwierigkeit besteht, dass die Stützsegmente gegenüber der fest montierten Rolle neu justiert werden müssen, was einen entsprechenden Aufwand erfordert.Support and guide frames of this type are already known from DE-C No. 2425883. In this known scaffolding, a guide roller independent of this is provided for each support segment and is fixedly mounted in a bearing block on the support frame. In the event of a repair, the individual support segments are pulled up along extension rails and then taken to the workshop with a crane. Repaired or replacement segments are in turn used in the same way via the removal rails, with the difficulty that the support segments have to be readjusted compared to the permanently mounted roller, which requires a corresponding effort.

Ein weiterer Nachteil des bekannten Gerüstes ist, dass ein ungleichmässiger Verschleiss zwischen der am Tragrahmen fest montierten Rolle und den in der Werkstätte jeweils überholten Rollen auftritt, was Abweichungen von der vorgegebenen Führungsbahn und damit Qualitätsverluste der Strangoberfläche zur Folge hat.Another disadvantage of the known scaffolding is that there is uneven wear between the roller that is permanently mounted on the support frame and the rollers that are overhauled in the workshop, which results in deviations from the specified guideway and thus a loss in quality of the strand surface.

Die Erfindung bezweckt die Vermeidung dieser Schwierigkeiten und Nachteile und stellt sich die Aufgabe, ein Stütz- und Führungsgerüst für eine Bogenstranggiessanlage zu schaffen, mit der eine rasche Auswechselbarkeit der einzelnen Stützsegmente nach der Innenseite des Bogens möglich ist, und wobei alle Rollen des Stützsegmentes eine justierte Einheit darstellen, ohne dass beim Austausch eines Stützsegmentes Justierarbeiten gegenüber dem Tragrahmen nötig sind.The invention aims to avoid these difficulties and disadvantages and has as its object to provide a support and guide structure for a continuous sheet casting installation, with which the individual support segments can be quickly exchanged towards the inside of the arch, and all rollers of the support segment being adjusted Display unit without having to make adjustments to the support frame when replacing a support segment.

Die Erfindung löst die Aufgabe bei einem Stütz-und Führungsgerüst der eingangs bezeichneten Art dadurch, dass an jedem Stützsegment mindestens eine randseitige Rolle der Aussenbahn lösbar am Stützsegment befestigt ist.The invention achieves the object in the case of a support and guide frame of the type described in the introduction in that at least one edge-side roller of the outer track is detachably fastened to the support segment on each support segment.

Vorteilhaft ist die lösbare Rolle an einem quer zum Tragrahmen verlaufenden Querträger montiert und der Querträger nach Lösung vom Stützsegment in eine Ausnehmung am Tragrahmen absetzbar.The detachable roller is advantageously mounted on a cross member running transversely to the support frame and the cross member can be placed in a recess on the support frame after being released from the support segment.

Zweckmässig sind die Teile des geteilten Tragrahmens in einem Festlager und in einem konzentrisch oder tangential zur Bogenkrümmung gerichteten Loslager gelagert.The parts of the divided support frame are expediently stored in a fixed bearing and in a floating bearing oriented concentrically or tangentially to the curve of the arch.

Die Erfindung wird an einem Ausführungsbeispiel näher erläutert, wobei die Fig. 1 eineschematische Seitenansicht eines Teiles des Führungsbogens, der einen kreisförmigen Querschnitt aufweist, im eingebauten, d.h. im giessbereiten Zustand zeigt. In Fig. 2 ist eine ähnliche Darstellung während des Ausbaues eines Stützsegmentes gezeigt.The invention is explained in more detail using an exemplary embodiment, in which Fig. 1 is a schematic side view of a part of the guide arch, which has a circular cross section, in the built-in, i.e. shows in the ready-to-pour condition. 2 shows a similar illustration during the removal of a support segment.

In Fig. 1 sind mit 1 und 2 benachbarte Teile des Tragrahmens gezeigt, die bei 3 in einem schwenkbaren Festlager und bei 4 in einem Loslager an einem Bolzen 5 gelagert sind. Der hakenförmige Teil 6 dieser Tragrahmenteile enthält einen in Richtung der Krümmung bzw. Tangente des Bogens gerichteten Schlitz, sodass bei Wärmeeinwirkung eine Ausdehnung der Tragrahmenteile ohne Versetzungen erfolgen kann. Die Tragrahmenteile enthalten nach innen zu bearbeitete Stützflächen 7, 7', an denen sich jeweils ein Stützsegment 8, 8' abstützt. Diese Stützsegmente besitzen bearbeitete, an die Stützflächen 7, 7' passende Gegenflächen 9, 9', sodass der Einbau der einzelnen Segmente ohne Passungsarbeit im Austauschfall leicht möglich ist. Zwischen den Stützflächen 7,7' befindet sich eine Tasche 10 von trapezförmigem Querschnitt. Eine weitere Tasche 11 bzw. Ausnehmung von rechteckigem Querschnitt befindet sich jeweils an der Stirnseite benachbarter Stützsegmente. In den Stützsegmenten 8, 8' sind die Rollen 12 der Innenbahn und die Rollen 13 der Aussenbahn im Abstand voneinander gegenüberliegend gelagert, wobei jeweils die randseitige erste Rolle, die mit 14 bezeichnet ist, lösbar am Stützsegment befestigt ist, u.zw. derart, dass sie an einem Querträger 15 gelagert ist, welcher seinerseits mit Schrauben 16 am Segment befestigbar ist. Es können jedoch statt nur einer Rolle auch zwei oder mehrere Rollen der äusseren Führungsbahn am Querträger 15 montiert sein, was dann vorteilhaft ist, wenn bei enger Rollenteilung und grossen Strangdicken die Platzverhältnisse beengt sind. Ebenso ist es natürlich möglich, statt einlaufseitiger Rollen auslaufseitige lösbar zu gestalten.In Fig. 1 with 1 and 2 adjacent parts of the support frame are shown, which are mounted at 3 in a pivotable fixed bearing and at 4 in a floating bearing on a bolt 5. The hook-shaped part 6 of these support frame parts contains a slot directed in the direction of the curvature or tangent of the arc, so that the support frame parts can expand without dislocations when exposed to heat. The support frame parts contain support surfaces 7, 7 'to be machined inwards, on each of which a support segment 8, 8' is supported. These support segments have machined counter surfaces 9, 9 'which match the support surfaces 7, 7', so that the individual segments can easily be installed without fitting work in the event of an exchange. There is a pocket 10 of trapezoidal cross-section between the support surfaces 7, 7 '. Another pocket 11 or recess of rectangular cross section is located on the end face of adjacent support segments. In the support segments 8, 8 ', the rollers 12 of the inner web and the rollers 13 of the outer web are mounted opposite one another at a distance from one another, the first roller on the edge, which is designated by 14, being releasably attached to the support segment, etc. such that it is mounted on a cross member 15, which in turn can be fastened to the segment with screws 16. However, instead of just one roller, two or more rollers of the outer guideway can also be mounted on the cross member 15, which is advantageous when the space is limited with narrow roller division and large strand thicknesses. It is of course also possible to design releasable on the outlet side instead of rollers on the inlet side.

Die Querträger 15 liegen im eingebauten, giessbereiten Zustand, wie in Fig. 1 gezeigt, den Taschen 10 bzw. 11 gegenüber. Beim Ausbau eines Stützsegmentes, wie in Fig. 2 gezeigt, wird der Querträger 15 mit der Rolle 14 vom Stützsegment gelöst und in die Tasche 10 abgesetzt. Sodann kann das Stützsegment 8' auf Ausbauschienen 17 geführt ausgebaut werden, worauf der zwischenzeitlich abgesetzte Querträger 15 mit der Rolle 14 nachgeholt werden kann. Dieser Querträger 15 mit der Rolle 14 kann vorteilhaft seitlich aus der Anlage herausgezogen werden. In der Werkstätte werden die Rollen des Ausbaustützsegmentes 8' nachgearbeitet und die Rolle 14 bei dieser Nacharbeitung mitangepasst, sodass zwischen der lösbaren und den übrigen Rollen kein ungleichmässiger Verschleiss bzw. Versetzungsstellen vorkommen können.The cross members 15 lie in the installed, ready-to-cast state, as shown in FIG. 1, opposite the pockets 10 and 11, respectively. When a support segment is removed, as shown in FIG. 2, the cross member 15 with the roller 14 is released from the support segment and placed in the pocket 10. The support segment 8 'can then be removed in a guided manner on expansion rails 17, whereupon the cross member 15 which has meanwhile been offset can be made up for with the roller 14. This cross member 15 with the roller 14 can advantageously be pulled laterally out of the system. In the workshop, the rollers of the support segment 8 'are reworked and the roller 14 is also adapted during this reworking, so that no uneven wear or dislocation can occur between the releasable and the other rollers.

Der Einbau des Stützsegmentes erfolgt in umgekehrter Arbeitsweise durch Absetzen bzw. Einziehen des Querträgers 15 mit der Rolle 14 in die Tasche und nachfolgendes Einführen des Stützsegmentes über die Schienen 17. Da die Verbindungslöcher zwischen dem Querträger 15 und dem Stützsegment 8' vorgebohrt sind, sind Passungsarbeiten an der Anlage nicht mehr erforderlich. Statt Passchrauben können auch andere formschlüssige Pass- und Verbindungsmittel verwendet werden.The installation of the support segment is carried out in the reverse way of working by placing or pulling the cross member 15 with the roller 14 into the pocket and then inserting the support segment over the rails 17. Since the connecting holes between the cross member 15 and the support segment 8 'are pre-drilled, fitting work is required no longer required on the system. Instead of fitting screws, other form-fitting fitting and connecting means can also be used.

Claims (3)

1. Supporting and guiding stand for a bow- type continuous casting plant comprising exchangeable supporting segments (8, 8') in which the rollers (12,13,14) of the oppositely arranged inner and outer guideways are journalled at a distance from one another, the supporting segments (8, 8') being supported on a carrying frame (1, 2), which advantageously is dividedly designed, characterized in that on each supporting segment (8, 8') at least one rim-side roller (14) of the outer way is detachably fastened to the supporting segment (8, 8').
2. Stand according to claim 1, characterized in that the detachable roller (14) is mounted to a cross beam (15) extending transverse to the carrying frame (1, 2), and the cross beam (15), after having been detached from the supporting segment (8, 8'), is placeable into a recess (10,11) in the carrying frame (1, 2).
3. Stand according to claims 1 and 2, characterized in that the parts of the divided carrying frame (1, 2) are mounted in a fixed bearing (3) and in an expansion bearing (4) that is directed concentrically or tangentially to the bow curvature.
EP80890020A 1979-03-07 1980-02-21 Supporting and guiding frame for a curved continuous-casting plant Expired EP0015892B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1725/79 1979-03-07
AT172579A AT359226B (en) 1979-03-07 1979-03-07 SUPPORT AND LEADERSHIP FOR AN ARC CONTINUOUS CASTING SYSTEM

Publications (3)

Publication Number Publication Date
EP0015892A1 EP0015892A1 (en) 1980-09-17
EP0015892B1 true EP0015892B1 (en) 1982-06-16
EP0015892B2 EP0015892B2 (en) 1985-07-31

Family

ID=3519660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80890020A Expired EP0015892B2 (en) 1979-03-07 1980-02-21 Supporting and guiding frame for a curved continuous-casting plant

Country Status (8)

Country Link
US (1) US4316494A (en)
EP (1) EP0015892B2 (en)
JP (1) JPS55120461A (en)
AT (1) AT359226B (en)
BR (1) BR8001341A (en)
CA (1) CA1135931A (en)
DE (1) DE3060535D1 (en)
ES (1) ES489187A0 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529118A1 (en) * 1982-06-29 1983-12-30 Fives Cail Babcock DEVICE FOR PLACING AND DISASSEMBLING GUIDE ROLLER CAGES IN A CURVED CONTINUOUS CASTING SYSTEM
FR2604108A1 (en) * 1986-09-23 1988-03-25 Fives Cail Babcock Device and method for positioning the roller cages (roll stands) in a curved continuous-casting installation and for removing them therefrom
AT502988B1 (en) * 2005-12-16 2007-11-15 Voest Alpine Ind Anlagen DEVICE FOR CHANGING SEGMENTS IN A CARRYING-OUT OF A CONTINUITY CASTING SYSTEM
JP5041207B2 (en) * 2006-11-14 2012-10-03 株式会社ダイフク Goods transport equipment
ITUD20070047A1 (en) * 2007-03-02 2008-09-03 Danieli Off Mecc SUPPORTING STRUCTURE FOR CONTINUOUS CASTING MACHINE
DE102008009136A1 (en) * 2008-02-14 2009-10-15 Sms Siemag Aktiengesellschaft Strand guide, in particular for a continuous steel slab caster
DE102008025548A1 (en) * 2008-05-28 2009-12-03 Sms Siemag Aktiengesellschaft Strand guide, in particular for a continuous steel slab caster
CN105921708A (en) * 2016-07-11 2016-09-07 中冶赛迪工程技术股份有限公司 Sector-shaped section supporting and replacement guiding device and replacement method of continuous casting machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT344344B (en) * 1974-05-28 1978-07-10 Mannesmann Ag SUPPORT AND GUIDANCE FRAMEWORK FOR AN ARC CASTING PLANT WITH EXCHANGEABLE SUPPORT SEGMENTS
FR2316023A1 (en) * 1975-07-02 1977-01-28 Fives Cail Babcock IMPROVEMENTS AT CURVED CONTINUOUS CASTING PLANTS
US3989092A (en) * 1976-02-06 1976-11-02 Fives-Cail Babcock Installation for the continuous casting of a metal strand
FR2372669A1 (en) * 1976-12-03 1978-06-30 Fives Cail Babcock Continuous casting installation - has two part guide roller assembly in which the lower part is easily demountable from the upper part

Also Published As

Publication number Publication date
BR8001341A (en) 1980-11-04
CA1135931A (en) 1982-11-23
ATA172579A (en) 1980-03-15
JPS55120461A (en) 1980-09-16
US4316494A (en) 1982-02-23
EP0015892A1 (en) 1980-09-17
EP0015892B2 (en) 1985-07-31
ES8100928A1 (en) 1980-12-01
DE3060535D1 (en) 1982-08-05
ES489187A0 (en) 1980-12-01
AT359226B (en) 1980-10-27

Similar Documents

Publication Publication Date Title
EP0015892B1 (en) Supporting and guiding frame for a curved continuous-casting plant
DE2110787C3 (en) Plate mold for continuous casting
DE2314085A1 (en) GUIDE ROLLER BEARING IN A ROLLER FRAME
DE3421486A1 (en) DEVICE SUITABLE FOR REPLACING ROLLING ROLLERS
DE2546723C2 (en) Multi-bearing strand guide roller
DE7625866U1 (en) STRAND GUIDE ROLLER OR -ROLLER FOR A CONTINUOUS CASTING PLANT
DE3443258A1 (en) SUPPORT AND GUIDE DEVICE FOR A ROD STRING CASTING MACHINE
DE2522070A1 (en) ROLLED GOODS GUIDE FOR A ROLLING STAND
DE2430796A1 (en) IMPROVED METAL CASTING PLANT
DE2731748B2 (en) Roller guide frame for a steel continuous caster
DE1483548B1 (en) Strand guide for billet caster
DE3225447C2 (en)
DE1483548C (en) Strand guide for a continuous continuous caster
DE2754951A1 (en) STRAND GUIDE ROLLER FOR A CONTINUOUS CASTING PLANT
DE2618747A1 (en) PROCESS FOR REPLACING SUPPORT ROLLERS OR DRIVE ROLLERS IN A CONTINUOUS CASTING PLANT AND EQUIPMENT FOR PERFORMING THE PROCESS
EP0650776A1 (en) Device for cooling rolled strips
DE654329C (en) Continuously working rolling mill for strips or strips
EP0027105B1 (en) Curved continuous casting plant
DE2645233A1 (en) EXTENDED GUIDE FRAME FOR CONTINUOUS CASTING PLANTS
DE3302664C1 (en) Rolling machine
EP0016748B1 (en) Supporting and guiding frame for a curved continuous casting plant
DE2242398C3 (en) Profile rolling machine
DE3238939A1 (en) DEVICE FOR PRODUCING METAL STRIPS
DE2806828A1 (en) GUIDE FOR SCREW CHAINS
AT401755B (en) CLAMPING DEVICE FOR MOLDING TOOLS ON PRESSES

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LU NL SE

17P Request for examination filed

Effective date: 19801013

ITF It: translation for a ep patent filed

Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LU NL SE

REF Corresponds to:

Ref document number: 3060535

Country of ref document: DE

Date of ref document: 19820805

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: 19830228

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: MANNESMANN AKTIENGESELLSCHAFT

Effective date: 19830315

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

Ref country code: CH

Payment date: 19831221

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: 19831222

Year of fee payment: 5

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

Ref country code: BE

Payment date: 19831231

Year of fee payment: 5

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

Ref country code: LU

Payment date: 19840131

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: 19840229

Year of fee payment: 5

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

Ref country code: SE

Payment date: 19840331

Year of fee payment: 5

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

Ref country code: DE

Payment date: 19850114

Year of fee payment: 6

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

Ref country code: SE

Effective date: 19850222

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

Ref country code: BE

Effective date: 19850228

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

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

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

27A Patent maintained in amended form
AK Designated contracting states

Kind code of ref document: B2

Designated state(s): BE CH DE FR GB IT LU NL SE

BERE Be: lapsed

Owner name: VOEST-ALPINE A.G.

Effective date: 19850221

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

Ref country code: NL

Effective date: 19850901

NLR2 Nl: decision of opposition
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
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: 19851031

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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

Ref country code: CH

Effective date: 19860228

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Ref country code: DE

Effective date: 19871103

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

Ref country code: GB

Effective date: 19881118

EUG Se: european patent has lapsed

Ref document number: 80890020.3

Effective date: 19860129