EP1204772B1 - Procede pour produire des tubes d'acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees - Google Patents

Procede pour produire des tubes d'acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees Download PDF

Info

Publication number
EP1204772B1
EP1204772B1 EP00943586A EP00943586A EP1204772B1 EP 1204772 B1 EP1204772 B1 EP 1204772B1 EP 00943586 A EP00943586 A EP 00943586A EP 00943586 A EP00943586 A EP 00943586A EP 1204772 B1 EP1204772 B1 EP 1204772B1
Authority
EP
European Patent Office
Prior art keywords
heat treatment
strength
pipe
pipes
cold
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
EP00943586A
Other languages
German (de)
English (en)
Other versions
EP1204772A2 (fr
Inventor
Gerold Hohl
Gerhard Knauf
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.)
Europipe GmbH
Original Assignee
Europipe GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10023488A external-priority patent/DE10023488B4/de
Application filed by Europipe GmbH filed Critical Europipe GmbH
Publication of EP1204772A2 publication Critical patent/EP1204772A2/fr
Application granted granted Critical
Publication of EP1204772B1 publication Critical patent/EP1204772B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes

Definitions

  • the invention relates to a method for the production of welded steel pipes of high strength, toughness and deformation properties, in particular large pipes according to the UOE method, in which, starting from a hot-rolled sheet, cold formed a tube, welded and calibrated to nominal diameter and after welding and calibration a heat treatment at a temperature in the range of 100-400 ° C is subjected.
  • z. B. produced by the UOE process tubes require yield strengths in the amount of the specified minimum value in order to reliably meet the required safety against flow on the finished tube.
  • integral deformation reserve ⁇ up is meant the mean circumferential plastic elongation of the pipe before the wall constriction commences analogously to the uniform elongation in the laboratory tensile test ( Hohl, GA and Vogt, GH: Allowable strains for high strength line pipe. 3R international, 31st Century, Issue 12/92, pp. 696-700 ).
  • a known under the name "bake hardening” method for increasing the component strength is known. This is understood to mean artificial aging as a result of baking varnishing.
  • the coating is preferably carried out in a zinc bath which is run through by the previously cold-rolled strip.
  • the zinc bath temperatures are in the range of 450-470 ° C. So that the surface refinement of conventional DP (dual-phase) steels is reliably possible, a steel of the following composition is proposed in% by weight 0.05 to 0.3% carbon 0.8 to 3.0% manganese 0.4 to 2.5% aluminum 0.01 to 0.2% silicon
  • a heat treatment preferably follows in a hot-dip galvanizing plant or in a continuous annealing furnace.
  • the structure consists of a ferritic matrix in which martensite is embedded in the form of a honeycomb.
  • Yield strength (R p0.2 ) 200 MPa
  • Elongation at break (A 80 ) 25% Yield strength (R p0.2 / R m) ⁇ 0.7
  • the main elements favoring the proposed process are aluminum and silicon.
  • the latter element Si is kept low to suppress the formation of red scale during hot rolling. Red tinder carries the danger of scale rolling, which leads to surface inhomogeneities when the strip is pickled.
  • High Al contents promote the formation of the fenite during annealing between the transition temperatures A C1 and A C3 .
  • the formation of pearlite is postponed to significantly longer times, so that it can be suppressed at the realizable cooling rates.
  • the adhesion conditions of both the zinc layer and the zinc-iron alloy layer are improved by Al.
  • the known method is for welded pipes of high-strength steels, e.g. the grade X80 with a minimum yield strength of 550 MPa is not applicable, because a heat treatment in the temperature range of 450 - 470 ° C is uneconomical because of the long warm-up and hold times.
  • the yield strength of these high-strength steels is, for example,> 0.70 for a grade X65, otherwise in the range between 0.80 and 0.93.
  • JP-B 61-44123 and JP-B 60-26809 For example, a method of producing a high-strength X80 grade steel (API standard) having excellent low-temperature toughness is known.
  • a steel with the elements C, Si, Mn, P, S, Nb and Al, remainder iron and process-related impurities is melted and cast a slab in the strand.
  • TM-rolling the slab is transformed into a hot-rolled sheet and this too molded a slot tube.
  • the tube thus produced is subjected to a heat treatment in the range of 100-400 ° C with a holding time of between 0.5-120 minutes.
  • the total residence time between the first rolling sequence and the second rolling sequence should be in the range of ⁇ 60 seconds.
  • the object of the invention is to provide a method for producing welded steel pipes of high strength, toughness and deformation properties in particular large pipes according to the UOE method, with the qualities ⁇ X90 with a minimum yield strength of 620 MPa and sour gas-resistant grades economically and process-safe in compliance with the rules fixed upper limit for the yield ratio can be represented.
  • the holding time is mainly dependent on the product wall thickness to be heated and depends on the type of heat input. This means that the holding times can be only seconds in one extreme case and several hours in the other extreme case.
  • the tube produced in this way has more than twice as high deformation reserves with the same high strength compared to conventionally manufactured products, without exceeding the upper limit for the yield ratio determined by the current regulations.
  • the minimum yield strength limit at the sheet corresponds to the minimum yield strength at the pipe which is reduced by the yield strength increase due to cold forming and heat effect.
  • a pipe produced in this way is characterized by resistance to aging and particularly high homogeneity of the properties at the circumference of the pipe, whereby the steel analysis given with regard to the main elements covers the range of high-strength large-diameter steel steels.
  • the mechanical material properties in particular the yield strength
  • the increase means a reserve, which allows the usual variations in alloy composition, wall thickness, rolling parameters, etc., without running the risk to fall below the required minimum value even at the meeting of several unfavorable parameters.
  • the otherwise customary special measures can be omitted.
  • the heat treatment can be carried out in a continuous furnace or during the passage of an induction coil.
  • the latter method is preferably integrated into a pipe external insulation system. This means that the heating of the tube required for the application of the single-or multi-layer insulation can be used simultaneously to increase the strength properties to the required level, since the temperature required for the insulation is in the proposed range of 100-300 degrees Celsius ,
  • Another advantage of the proposed heat treatment is the fact that it contributes to the reproducible representation of the yield ratio at a low level and a homogenization of the strength properties in the production series, so that compared to conventionally produced pipes on the component higher deformation reserves against ductile breakage can be achieved.
  • the effect of a homogenization of the strength properties can be further increased if, in the case of the large pipes produced by the UOE process before the heat treatment, a conditioning of the tubes according to the in the DE 195 22 790 A1 proposed method.
  • the tube properties which can be represented thereby quite purposefully depending on the application for internal or external pressure loading bring in conjunction with the proposed here after heat treatment in terms of dispersion of the values at the tube circumference and from tube to tube and with respect to the potentionell representable on the component deformation reserve the best results.
  • the proposed method is applicable to longitudinally welded and helically welded tubes (also called spiral tubes) according to the HFI and after the UOE method.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Claims (5)

  1. Procédé pour la fabrication de tubes d'acier soudés présentant une résistance mécanique, une ténacité et une aptitude à la déformation élevées, notamment de tubes de grand diamètre suivant le procédé UOE, dans lequel, à partir d'une tôle laminée à chaud, un tube est formé à froid, soudé et calibré au diamètre nominal et, après le soudage et le calibrage, soumis à un traitement thermique à une température comprise entre 100 et 400 °C, à partir d'une tôle laminée thermomécaniquement dans un acier comportant de (% en poids)
    0,02 à 0,20 % de C
    0,05 à 0,50 % de Si
    0,50 à 2,50 % de Mn
    0,003 à 0,06 % d'Al
    ainsi que facultativement
    jusqu'à 0,02 % de P
    jusqu'à 0,06 % de Ti
    jusqu'à 0,20 % de Cr
    jusqu'à 0,50 % de Mo
    jusqu'à 0,30 % de Ni
    jusqu'à 0,10 % de Nb
    jusqu'à 0,08 % de V
    jusqu'à 0,50 % de Cu
    jusqu'à 0,030 % de N
    jusqu'à 0,005 % de B
    le reste étant du fer avec des impuretés d'élaboration, un traitement thermique ayant lieu pour le tube de qualité ≥ X90 (norme API) à une température comprise entre 100 et 300 °C pendant un temps de séjour adapté à l'épaisseur de paroi du tube, suivi d'un refroidissement à l'air ou forcé et le tube ainsi produit étant résistant au vieillissement et présentant, pour une résistance mécanique tout aussi élevée, une réserve de déformation intégrale suffisante contre la rupture, sans dépasser la limite supérieure du rapport de limites d'élasticité fixée par la réglementation actuelle pour les aciers traditionnels, la limite d'élasticité minimale de départ de la tôle correspondant à la limite d'élasticité minimale du tube moins l'augmentation de limite d'élasticité due au formage à froid et au traitement thermique, le traitement thermique ayant lieu dans le cadre de l'application d'une isolation extérieure mono- ou multicouche.
  2. Procédé selon la revendication 1,
    caractérisé en ce que le traitement thermique a lieu dans un four continu.
  3. Procédé selon les revendications 1 ou 2,
    caractérisé en ce que le traitement thermique a lieu par traversée d'une bobine d'induction.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que, lors de la fabrication de tubes de grand diamètre suivant le procédé UOE, les tubes à soudure longitudinale sont pré-conditionnés avant le traitement thermique par l'application combinée d'un élargissement à froid et d'une réduction à froid.
  5. Procédé selon la revendication 4,
    caractérisé en ce que l'ordre et l'importance de l'élargissement et de la réduction sont déterminés en fonction du profil des spécifications.
EP00943586A 1999-05-10 2000-05-10 Procede pour produire des tubes d'acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees Expired - Lifetime EP1204772B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19922542 1999-05-10
DE19922542 1999-05-10
DE10023488A DE10023488B4 (de) 1999-05-10 2000-05-09 Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften
DE10023488 2000-05-09
PCT/DE2000/001513 WO2000068443A2 (fr) 1999-05-10 2000-05-10 Procede pour produire des tubes d'acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees

Publications (2)

Publication Number Publication Date
EP1204772A2 EP1204772A2 (fr) 2002-05-15
EP1204772B1 true EP1204772B1 (fr) 2007-07-25

Family

ID=26005669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00943586A Expired - Lifetime EP1204772B1 (fr) 1999-05-10 2000-05-10 Procede pour produire des tubes d'acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees

Country Status (6)

Country Link
US (1) US6648209B2 (fr)
EP (1) EP1204772B1 (fr)
JP (1) JP2002544377A (fr)
CA (1) CA2373064C (fr)
DE (1) DE50014515D1 (fr)
WO (1) WO2000068443A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50014515D1 (de) * 1999-05-10 2007-09-06 Europipe Gmbh Verfahren zur herstellung von geschweissten stahlrohren hoher festigkeit, zähigkeits- und verformungseigenschaften
DE10105809C1 (de) 2001-02-08 2002-07-18 Thiele Gmbh & Co Kg Verfahren zur Herstellung einer Kette, insbesondere einer Rundstahlkette aus Vergütungsstahl
WO2003099482A1 (fr) * 2002-05-24 2003-12-04 Nippon Steel Corporation Tuyau en acier uoe presentant une excellente resistance aux impacts, et procede de fabrication du tuyau en acier uoe
GB2432867A (en) * 2004-08-11 2007-06-06 Enventure Global Technology Radial expansion system
CA2627171A1 (fr) * 2005-10-24 2007-05-03 Narasimha-Rao V. Bangaru Acier biphase haute resistance presentant un faible taux de fluage, une haute tenacite et une soudabilite superieure
JP5745222B2 (ja) * 2006-10-06 2015-07-08 エクソンモービル アップストリーム リサーチ カンパニー ラインパイプ用複合組織鋼を製造する方法
BRPI0807605A2 (pt) 2007-02-27 2014-05-13 Exxonmobil Upstream Res Compony Métodos para construir uma tubulação para transportar hidrocarbonetos e para formar uma junta de solda entre seções tubulares, seção de tubo, e, tubulação para transportar hidrocarbonetos
US20090301613A1 (en) 2007-08-30 2009-12-10 Jayoung Koo Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance
CN102492820A (zh) * 2011-12-27 2012-06-13 上海锅炉厂有限公司 一种防止薄壁大直径压力容器筒体热处理变形的方法
CN103521550B (zh) * 2013-10-07 2016-08-31 宝鸡石油钢管有限责任公司 一种x90级管线钢大口径厚壁直缝埋弧焊管制造方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE948604C (de) * 1949-12-09 1956-09-06 Auguste Georges Ferrand Herstellung von verstaerkten Rohrleitungen oder Behaeltern
US4001054A (en) * 1974-04-10 1977-01-04 Makepeace Charles E Process for making metal pipe
US4160543A (en) * 1976-11-11 1979-07-10 Hughes Tool Company Heat treatment of welds
JPS6026809B2 (ja) * 1980-08-12 1985-06-26 川崎製鉄株式会社 低温靭性にすぐれた高張力鋼管の製造方法
JPS589926A (ja) * 1981-07-09 1983-01-20 Kawasaki Steel Corp 低温靭性にすぐれたａｐｉ規格ｘ８０級鋼管の製造方法
JPS589925A (ja) * 1981-07-09 1983-01-20 Kawasaki Steel Corp 低温靭性にすぐれたａｐｉ規格ｘ８０級鋼管の製造方法
JPS6046321A (ja) * 1983-08-23 1985-03-13 Nippon Kokan Kk <Nkk> 電縫管の製造方法
LU86158A1 (fr) * 1985-11-12 1987-06-26 Centre Rech Metallurgique Procede pour la fabrication en continu de tubes metalliques soudes
DE3766507D1 (de) * 1986-01-21 1991-01-17 Siemens Ag Verfahren und vorrichtungen zur waermebehandlung von laengsnahtgeschweissten rohren.
JPH0698382B2 (ja) * 1988-03-23 1994-12-07 住友金属工業株式会社 熱間での電縫管の製造方法
US5005395A (en) * 1988-03-23 1991-04-09 Sumitomo Metal Industries, Ltd. Method of manufacturing electric welded pipes under hot conditions
EP0494448A1 (fr) * 1990-12-25 1992-07-15 Nkk Corporation Procédé pour la fabrication de tubes en acier à haute résistance mécanique par soudage par résistance électrique
JP3265023B2 (ja) * 1993-01-11 2002-03-11 新日本製鐵株式会社 耐食性および加工性の優れた鋼および鋼管の製造方法
DE4318931C1 (de) * 1993-06-03 1994-12-01 Mannesmann Ag Verfahren zur Herstellung von geschweißten Rohren
AUPM648394A0 (en) * 1994-06-27 1994-07-21 Tubemakers Of Australia Limited Method of increasing the yield strength of cold formed steel sections
DE19522790C2 (de) * 1995-06-14 1998-10-15 Mannesmann Ag Verfahren zur Herstellung von Rohren nach dem UOE-Verfahren
DE19608387A1 (de) * 1996-03-05 1996-07-18 Werner Glowik Verfahren zur Farbgebung von Metallgegenständen durch Wärmebehandlung
WO1998049362A1 (fr) * 1997-04-30 1998-11-05 Kawasaki Steel Corporation Acier presentant une ductilite et une resistance elevees et procede de production de ce materiau
DE50014515D1 (de) * 1999-05-10 2007-09-06 Europipe Gmbh Verfahren zur herstellung von geschweissten stahlrohren hoher festigkeit, zähigkeits- und verformungseigenschaften
EP1219719B1 (fr) * 2000-12-25 2004-09-29 Nisshin Steel Co., Ltd. Tôle d'acier inoxydable ferritique avec une bonne aptitude et procédé pour sa fabrication
DE60200326T2 (de) * 2001-01-18 2005-03-17 Jfe Steel Corp. Ferritisches rostfreies Stahlblech mit hervorragender Verformbarkeit und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
CA2373064A1 (fr) 2000-11-16
JP2002544377A (ja) 2002-12-24
US20020117538A1 (en) 2002-08-29
EP1204772A2 (fr) 2002-05-15
US6648209B2 (en) 2003-11-18
CA2373064C (fr) 2008-10-21
WO2000068443A2 (fr) 2000-11-16
DE50014515D1 (de) 2007-09-06
WO2000068443A3 (fr) 2001-04-26

Similar Documents

Publication Publication Date Title
DE60116477T2 (de) Warm-, kaltgewalzte und schmelz-galvanisierte stahlplatte mit exzellentem reckalterungsverhalten
EP2855718B1 (fr) Produit en acier plat et procédé de fabrication d&#39;un produit en acier plat
EP2010690B1 (fr) Procédé de revêtement par immersion en fusion d&#39;un produit plat en acier hyperrésistant
EP3535431B1 (fr) Produit d&#39;acier à teneur en manganèse intermédiaire pour application à basse température et son procédé de fabrication
DE19610675C1 (de) Mehrphasenstahl und Verfahren zu seiner Herstellung
EP0320773A2 (fr) Procédé pour la fabrication de tôles d&#39;acier plaqués, laminés à chaud
EP1918403B1 (fr) Procédé de fabrication de produits plats en acier à partir d&#39;un acier formant une structure marténsitique
DE69708832T2 (de) Kaltgewalztes Stahlblech und sein Herstellungsverfahren
EP1926837A1 (fr) Procede de fabrication de tubes d&#39;acier de precision fabriques a froid
EP1204772B1 (fr) Procede pour produire des tubes d&#39;acier soudes presentant une resistance mecanique, une tenacite et une aptitude a la deformation elevees
DE102018132860A1 (de) Verfahren zur Herstellung von konventionell warmgewalzten, profilierten Warmbanderzeugnissen
WO2016078643A9 (fr) Acier polyphasé, trempé à l&#39;air et à haute résistance, ayant d&#39;excellentes propriétés de mise en oeuvre et procédé de production d&#39;une bande avec cet acier
WO2016078644A1 (fr) Acier polyphasé, trempé à l&#39;air et à haute résistance, ayant d&#39;excellentes propriétés de mise en oeuvre et procédé de production d&#39;une bande avec cet acier
EP3724359A1 (fr) Produit plat en acier laminé à chaud, à rigidité élevée, doté d&#39;une résistance à la fissuration de bords élevée ainsi que d&#39;une capacité de durcissement à la cuisson élevée, procédé de fabrication d&#39;un tel produit plat en acier
EP2414552B1 (fr) Pivots à rotule en aciers à structure bainitique pour de véhicules à usage personnel et de véhicules utilitaires légers
CA1125150A (fr) Profile en acier haute resistance, et methode de faconnage connexe
WO2018050637A1 (fr) Procédé de fabrication d&#39;une bande laminée à chaud ou à froid et/ou d&#39;un produit plat en acier laminé de manière flexible constitué par un acier contenant du manganèse, hautement solide et produit plat en acier ainsi obtenu
DE10023488B4 (de) Verfahren zur Herstellung von geschweißten Stahlrohren hoher Festigkeit, Zähigkeits- und Verformungseigenschaften
EP3469108B1 (fr) Procédé de fabrication d&#39;une bande d&#39;acier laminée à froid présentant des propriétés trip à partir d&#39;un acier à résistance élevée contenant du manganèse
DE102019103502A1 (de) Verfahren zur Herstellung eines nahtlosen Stahlrohres, nahtloses Stahlrohr und Rohrprodukt
DE102018132901A1 (de) Verfahren zur Herstellung von konventionell warmgewalzten Warmbanderzeugnissen
DE3507124A1 (de) Durch elektro-widerstandsschweissen geschweisstes oelbohrungsrohr und verfahren zu dessen herstellung
DE19652399A1 (de) Verfahren zur Herstellung einer mehrschichtigen Metallfolie sowie deren Verwendung
DE69832684T2 (de) Verfahren zur herstellung von stahlrohr mit ultrafeinem gefüge
WO2015144661A2 (fr) Composants en alliage d&#39;acier et procédé de fabrication de composants à haute résistance

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: 20011029

AK Designated contracting states

Kind code of ref document: A2

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

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17Q First examination report despatched

Effective date: 20030218

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

APBR Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3E

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

APAA Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOS REFN

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APBT Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9E

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

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

Owner name: EUROPIPE GMBH

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20070725

REF Corresponds to:

Ref document number: 50014515

Country of ref document: DE

Date of ref document: 20070906

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20080428

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

Ref country code: FR

Payment date: 20100611

Year of fee payment: 11

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

Ref country code: IT

Payment date: 20100522

Year of fee payment: 11

Ref country code: DE

Payment date: 20100521

Year of fee payment: 11

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

Ref country code: GB

Payment date: 20100519

Year of fee payment: 11

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50014515

Country of ref document: DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50014515

Country of ref document: DE

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

Effective date: 20110510

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20120131

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: 20110510

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: 20110531

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: 20110510

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: 20111130