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US 12,747,325 B2Granted
Composite material
AssigneePolyflow LLC
InventorsMalcolm Rosenow, Rafik Boubenider
Life of this patent
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Abstract
The present disclosure relates to a composite material for use in a reinforced thermoplastic flexible pipe body, such as a fibre-reinforced composite tape. The present disclosure also relates to a method of producing such a composite material or composite tape, and a method of producing a reinforced thermoplastic flexible pipe comprising said composite material or tape.
Claims17
A reinforced thermoplastic pipe body comprising an elongate fibre-reinforced composite material, wherein the elongate fibre-reinforced composite comprises:
- a composite core material profile comprising a thermoset material impregnated with fibres, wherein the fibres are selected from ceramic fibres, basalt fibres and glass fibres, and at least 90 vol. % of the fibres are at least partially oriented along the longitudinal axis of the composite core material profile;
- a thermoplastic polymer at least partly covering the composite core material profile along the longitudinal axis of the material;
- and
- wherein the composite material also comprises an anti-permeation foil substantially across the width of the composite material.
1 more element
Dependencies are inferred from the claim text.