Patent ID: 9488299
Filing Date: 2016-11-08
CPC Classification: E21B,F16L,Y10T

Claim Text:
1. Flexible pipe body for transporting production fluids, comprising: an armour layer comprising interlocked windings of armour tape comprising at least one armour locating element, wherein each winding of the armour tape is interlocked with adjacent windings of the armour tape; and a reinforcement layer comprising a layer of helically wound reinforcement tape comprising at least one reinforcement locating element over the armour layer; wherein windings of the reinforcement tape are keyed into place with respect to the windings of the armour tape in an overlying manner, via the locating elements, such that each winding of the reinforcement tape entirely overlies a radially outermost surface of a corresponding winding of the armour tape but without overlying any adjacent windings of the reinforcement tape and such that, as windings of the armour tape move sideways with respect to each other the windings of the reinforcement tape move in a corresponding way.