| 发明名称 |
CARCASSE ET CONDUITE TUBULAIRE FLEXIBLE COMPORTANT UNE TELLE CARCASSE. |
| 摘要 |
A tubular metal casing (1) comprising closed sections (7), and a flexible tubular duct comprising at least one such frame, are described. Said casing comprises at least one section (7) formed by the walls of a strip and spirally wound around an axis (6) of said casing (1). The invention relates mainly to the production of flexible tubular ducts for transporting hydrocarbons.
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| 申请公布号 |
FR2665237(A1) |
申请公布日期 |
1992.01.31 |
| 申请号 |
FR19900009656 |
申请日期 |
1990.07.27 |
| 申请人 |
COFLEXIP;INSTITUT FRANCAIS PETROLE |
发明人 |
MALLEN HERRERO;LE BAIL GUY;FERET JANY |
| 分类号 |
B21C37/12;E21B17/01;E21B17/20;F16L;F16L11/08;F16L11/16 |
主分类号 |
B21C37/12 |
| 代理机构 |
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代理人 |
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