Patent ID: 9046203
Filing Date: 2015-06-02
Classification: F16L,Y10T

Abstract:
1. Flexible pipe body for transporting fluids from a sub-sea location, comprising: a carcass layer comprising a plurality of independent hoop elements each comprising a body portion forming a complete and closed hoop having a circular outer surface that circles around an inner circumference of a bore region of the flexible pipe, said body portion being arranged to interlock adjacent hoop elements together, wherein the carcass layer is the innermost layer of the flexible pipe body, wherein the body portion further comprises a male connection region comprising a hook region and a female connection region comprising a valley region disposed on either side of a central region, a male connection region of a first hoop element being locatable in the female region of an adjacent hoop element to thereby interlock adjacent hoop elements, wherein the hook region comprises a nose region that extends radially inwardly towards an imaginary centre line running across a cross section of the body portion and the valley region comprises a nose region that extends radially outwardly towards the centre line; wherein respective ends of the nose regions extend past each other in the radial direction such that the nose regions can abut each other and interlock adjacent hoop elements in the axial direction.