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    • 9. 发明申请
    • FLEXIBLE TUBULAR PIPE COMPRISING AN INTERLOCKED ARMOURING WEB
    • 灵活的管状管道,包括一个互相联系的网络
    • WO1996018060A1
    • 1996-06-13
    • PCT/FR1995001601
    • 1995-12-05
    • COFLEXIPMALLEN-HERRERO, JoséESTRIER, PascalBAUDIN, Anne
    • COFLEXIP
    • F16L11/08
    • F16L11/16F16L11/083
    • A flexible tubular pipe, in particular for conveying pressurised fluids, comprising pressure-resistant armouring made by winding at least one pair of interlocking metal shaped-section wires of which one has a T-shaped cross-section while the other has a U-shaped cross-section. Ribs on the T-shaped wire extend outwards relative to the flexible tubular pipe, and ribs on the U-shaped wire extend towards the axis of said flexible tubular pipe. The cross-sectional area of the T-shaped wire (3) is substantially larger than the cross-sectional area of the U-shaped wire (4) and, in each side interlocking region consisting of a side rib (13) on the U-shaped wire (4) engaging a side groove in the T-shaped wire (3), and a side groove (9) in the T-shaped wire (3) facing the base portion (12) of the U-shaped wire, as well as between the two ribs (13) of said U-shaped wire, contact is established between the side rib of a first one of the two wires and the second wire, and radial clearance is provided between the side rib of the second wire and the first wire.
    • 柔性管状管,特别是用于输送加压流体,包括耐压铠装,其通过缠绕至少一对具有T形横截面的互锁金属形截面线,而另一个具有U形 横截面。 T形线上的肋相对于柔性管状管向外延伸,并且U形线上的肋向着所述柔性管状管的轴线延伸。 T形线(3)的截面面积大致大于U字形线(4)的横截面面积,并且在由U形线(3)上的侧肋(13)组成的每个侧面互锁区域中 与T型线材(3)中的侧槽接合的U形线(4)和面向U形线的基部(12)的T形线(3)中的侧槽(9) 以及在所述U形电线的两个肋(13)之间,在两条电线中的第一条和第二电线的侧肋之间建立接触,并且在第二电线的侧肋之间设置径向间隙 和第一根线。
    • 10. 发明申请
    • FLEXIBLE PIPE WITH INTERNAL GASPROOF UNDULATING METAL TUBE
    • 柔性管与内部气体发生金属管
    • WO1998025063A1
    • 1998-06-11
    • PCT/FR1997002192
    • 1997-12-03
    • COFLEXIPJUNG, Patrice, Joël, LouisDO, Anh, Tuan
    • COFLEXIP
    • F16L09/06
    • F16L58/02F16L11/083F16L11/16
    • The invention concerns a flexible conduit comprising an internal gasproof undulating metal tube (1), the wall of which has helical undulations (8), the external surface of said internal tube having at least concave (10) and convex (11) rounded parts corresponding to the internal and external parts of the undulations respectively, and at least an arch (2) arranged around said internal metal tube and made up of at least a form wire (9) coiled in spires. The invention is characterised in that the arch (2) has an internal surface with helical undulation, comprising at least concave (16) and convex (15) rounded parts and the external surface of the internal metal tube is supported in its concave rounded part (10) by a convex part (15) of the arch (2) internal surface and in its convex rounded part (11) by a concave part (16) of the arch internal surface, said internal arch surface and said internal tube external surface matching in form, and the interstices (i) between the adjacent spires are small. The invention is particularly applicable to flexible conduits used in oil mining.
    • 本发明涉及一种柔性导管,其包括内部气体防波浪金属管(1),其内壁具有螺旋形起伏(8),所述内管的外表面具有至少凹(10)和凸(11)圆形部分对应 至少分别布置在所述内部金属管周围的拱形件(2),并且至少由螺旋形螺旋形成的金属丝(9)构成。 本发明的特征在于,拱形(2)具有螺旋形起伏的内表面,其至少包括凹形(16)和凸形(15)的圆形部分,并且内部金属管的外表面被支撑在其凹形圆形部分 10)通过拱形内表面的凸部(15)和拱形内表面的凹部(16)在其凸形圆形部分(11)中,所述内拱面和所述内管外表面匹配 并且相邻尖顶之间的间隙(i)很小。 本发明特别适用于采油中使用的柔性管道。