Unbonded flexible pipe
OwnerKristian Glejbølinventor
Life of this patent
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Abstract
The present invention relates to an unbonded flexible pipe including a bore for transport of a fluid wherein the unbonded flexible pipe includes an internal pressure structure including a fluid-tight polymer sheath and a barrier layer on the inside of the fluid-tight polymer sheath and bonded thereto, wherein the internal pressure sheath further includes a permeable protection sheath inside the fluid-tight polymer sheath and, wherein the barrier layer is located between the fluid-tight polymer sheath and the permeable protection sheath.
Claims19
1-18. (canceled)
An unbonded flexible pipe having a longitudinal axis and a bore for transport of a fluid, said unbonded flexible pipe comprises one or more external armouring layers wound around an internal pressure structure defining the bore, said internal pressure structure comprises from the inside and out a permeable protection sheath, a barrier layer and a fluid-tight polymer sheath, wherein the barrier layer is bonded to the fluid-tight polymer sheath.
Dependencies are inferred from the claim text.