| 摘要 |
A flange system for the butt fastening of two pipes (2, 3), for example, the gas outlet pipe and the nozzle of a turboengine, the flange (5) of one of the pipes (2) having a triangular cross section. There are provided on the flange (9) of the other pipe (3) protuberances (12) which cooperate with cuneiform wedges (15) in order to form a system of jaws pressing the flange (5) of triangular cross section between them.
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