PROCESS FOR REINFORCING A HOLLOW BODY MADE FROM A ROLLED CHANNEL, CHANNEL USED IN THE PROCESS, AND REINFORCED TUBING SO MADE

摘要

SPIE-BATIGNOLLES and COFLEXIP "Process for reinforcing a hollow body produced by winding a profile, profile for its implementation and reinforced pipes obtained" (Invention by: Gilbert CHABRIER) In the process we wrap around the hollow body (1) according to substantially contiguous turns, a flexible profile (2) and the latter is fixed to this hollow body. In this process, a profile (1) made of a material whose elastic limit is greater than that of the material of the hollow body (1) is used and this profile is wrapped around the hollow body with sufficient tension so that, when the hollow body ( 1) is put under pressure, the stresses likely to be exerted in the body and in the windings of this profile (2) reach their maximum admissible substantially at the same time. Use to reinforce pipes or containers intended to be pressurized. See figure 1.