Patent ID: 9097366
Filing Date: 2015-08-04
Classification: E21B,F16L

Abstract:
1. A pipe element comprising at least one hoop-wound tube, the at least one hoop-wound tube comprising a central part comprising a metal core covered by at least one hoop layer, and at least one connecting means, characterized in that the at least one hoop-wound tube also comprises at least one transition element welded, on one side, to one end of the core and, on the other side, to one end of the at least one connecting means, wherein the at least one transition element comprises a cylindrical first part, a truncated second part with a continuous section, and a cylindrical third part, and wherein an outside diameter of the cylindrical first part is substantially identical to an outside diameter of the core, a thickness of the cylindrical first part is substantially identical to a thickness of the core, an outside diameter of the cylindrical third part is substantially identical to an outside diameter of the connecting means, and a thickness of the cylindrical third part is substantially identical to a thickness of the connecting means.