B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
B21C 37/12 (2006.01) F16L 11/16 (2006.01)
Patent
CA 2312818
The invention concerns a method for the continuous production of a flexible tube body from two stapled wires (9, 10) individually bent in bending means (7, 8), three stitches, unsupported by a mandrel, and such that the wires (9, 10) remain constantly in contact so as to optimise their resistance to external pressure. The bending means (7, 8) can be arranged with respect to each other without affecting the bending adjustment. The method consists in stapling the two spirals by elastically deforming the turns so that one crosses the other to cause the wires to overlap partially. The invention also concerns an equipment for producing such a flexible tube body.
La présente invention concerne un procédé pour fabriquer en continu une carcasse de tube flexible à partir de deux fils agrafés (9, 10), cintrés individuellement dans des moyens de cintrage (7, 8), trois points, sans appui sur un mandrin, et de telle façon que les fils (9, 10) restent constamment en contact afin d'optimiser leur tenue à la pression externe. Les moyens de cintrage (7, 8) peuvent être disposés l'un par rapport à l'autre sans affecter le réglage du cintrage. On effectue l'accrochage des deux spirales en déformant élastiquement les spires pour que l'une croise l'autre pour réaliser un chevauchement partiel des fils (9, 10). L'invention concerne également un appareillage pour réaliser une carcasse d'un tube flexible.
Amaudric Du Chaffaut Benoit
Jung Patrice
Mallen Herrero Jose
Odru Pierre
Coflexip
Institut Francais Du Petrole
Robic
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