Abstract: Apparatus and method of manufacturing a flexible pipe body are disclosed. The method may include providing a fluid retaining layer; wrapping a plurality of tensile armour elements around the fluid retaining layer; and wrapping a crush resistant elongate body that houses at least one fibre element around the fluid retaining layer and radially between two of the plurality of tensile armour elements. Matrix material provided in the elongate body may be cured subsequent to fitting the pipe body to an end fitting.

Abstract: A method and an apparatus of manufacturing flexible pipe body (100) is disclosed. The method includes the step of winding at least one composite body having a substantially helical innate shape around an underlining pipe layer.

Abstract: A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing two or more non-bonded composite filaments (302) as a non-bonded filament bundle (310); applying a braid element (304) around the filament bundle (310) to thereby form a braided bundle (310) comprising non-bonded filaments (302); and helically wrapping the braided bundle (310) around a flexible pipe body layer (502).

Abstract: A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing one or more composite filament (302) as a filament bundle (310); applying a braid element (304) around the filament bundle as a braided bundle (310); helically wrapping the braided bundle (310) around a flexible pipe layer (502); and then curing (510) the one or more composite filament (302).

Abstract: A flexible pipe body and method of manufacturing a flexible pipe body are disclosed. The flexible pipe body includes a fluid retaining layer for preventing ingress of fluid into the flexible pipe body from an environment outside of the flexible pipe body; and a fibre element arranged generally along a longitudinal axis of the fluid retaining layer.

Abstract: A flexible pipe body layer and method of producing a flexible pipe body layer are disclosed. The method includes coextruding an inner sub-layer and an outer sub-layer, wherein the inner sub-layer and outer sub-layer comprise a polymer, and wherein the inner sub-layer has a lower modulus of elasticity than the outer sub-layer.

Abstract: To produce a flexible pipe body, a length of tensile armour element (300) of pre-preg composite material is fed towards a fluid-retaining layer (602). The tensile armour element (300) passes through a guide (604) an a pre-heater (606). The tensile armour element (300) is then applied to the fluid-retaining layer (602), being wrapped around the fluid-retaining layer (602) by virtue of the rotation of the layer (602), the linear translation of the layer (602), and the fixed position of the tensile armour element feed (601). The element (300) is fed to the fluid-retaining layer under a constant, predetermined controlled tension. Positioning head (608) helps to position the element (300) on the fluid-retaining layer (602). As tensile armour element is wound onto the pipe body, the pipe body continues to move in a, linear direction and the pipe body moves through an oven (610).

Abstract: A flexible pipe body and method of producing a flexible pipe body are disclosed. The method includes providing a tubular layer; and directing a chemical reagent towards a surface portion of the tubular layer, wherein the tubular layer comprises an extruded polymer, and wherein the chemical reagent is suitable for changing one or more physical or mechanical property of a proportion of the extruded tubular layer thickness.

Abstract: A flexible pipe body and methods of producing a flexible pipe body are disclosed. The method may include providing a tubular length of polymeric material for forming a polymeric layer of flexible pipe body; providing a strength layer radially outwards of the polymeric layer; and treating the polymeric layer with a non-ambient temperature and pressure.

Abstract: Apparatus and method of manufacturing a flexible pipe body are disclosed. The method may include providing a fluid retaining layer; wrapping a plurality of tensile armour elements around the fluid retaining layer; and wrapping a crush resistant elongate body that houses at least one fibre element around the fluid retaining layer and radially between two of the plurality of tensile armour elements. Matrix material provided in the elongate body may be cured subsequent to fitting the pipe body to an end fitting.