Patent ID: 9534713
Date: 2017-01-03
CPC Classifications: B23P,F16L,Y10T

Claim:
1. An assembly comprising: a flexible tubular pipe for transporting hydrocarbon fluids, the pipe comprising a set of concentric, unbonded layers including at least, from inside the pipe outward: with a secondary metal tube coaxial to the tubular pipe, a fastening element comprising at least two non-touching turns of a helical coil spring inserted within the metal carcass, wherein said fastening element cooperates with the plurality of intervening gaps and wherein at least one of the ends of the said secondary metal tube has a short pitched thread defining a helical groove, said groove being screwed onto the at least two non-touching turns of the said fastening element to mount the flexible tubular pipe with the secondary metal tube via the fastening element.