(84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI
SK TR |
(30) |
Priority: |
26.03.2004 FR 0403147
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(43) |
Date of publication of application: |
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07.07.2010 Bulletin 2010/27 |
(62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
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05716320.6 / 1728018 |
(73) |
Proprietors: |
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- VALLOUREC OIL AND GAS FRANCE
59620 Aulnoye-Aymeries (FR)
- Nippon Steel & Sumitomo Metal Corporation
Tokyo 100-8071 (JP)
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(72) |
Inventors: |
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- Roussie, Gabriel
59242 Capelle en Pévèle (FR)
- Massaglia, Jacky
59880 Saint Saulve (FR)
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(74) |
Representative: Plaçais, Jean Yves |
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Cabinet Netter
36, avenue Hoche 75008 Paris 75008 Paris (FR) |
(56) |
References cited: :
US-A- 3 224 799 US-A1- 2002 017 788
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US-A- 4 384 737 US-A1- 2003 067 169
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