| 摘要 |
<p>The invention concerns a flexible tubular conduit (1) comprising at least, from inside outwards, a stapled strip carcass (3), an inner sealing sheath (4), a cylindrical pressure arch (5) consisting of a short-pitch helically wound metal wire in stapled form, at least a web of long-pitch wound traction reinforcements (7, 8) and an outer protective and sealing sheath (9). The invention is characterised in that at least one web of reinforcements is made of steel strips (10) advantageously formed by bending.</p> |
