Pipes and tubular conduits – Flexible – Spirally wound material
Patent
1986-10-27
1989-09-19
Recla, Henry J.
Pipes and tubular conduits
Flexible
Spirally wound material
F16L 1114, F16L 1116
Patent
active
048672050
ABSTRACT:
A reinforced flexible duct, particularly for transporting pressurized fluids having an internal pressure reinforcement and a traction resisting reinforcement. The internal pressure reinforcement is wound at a high angle with respect to the axis of the duct and the traction resisting reinforcement comprises at least one pair of crossed layers wound at an angle at most equal to 55.degree.. The modulus of elasticity of the material for the internal pressure resisting reinforcement is smaller than the modulus of elasticity of the material for the traction resisting reinforcement.
Bournazel Claude
Feret Jany
Barrett Glenn T.
Institut Francais du Pe'trole
Recla Henry J.
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