Flexible pipe for transporting a fluid

Patent 6926039 Issued on August 9, 2005. Estimated Expiration Date:

August 8, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Flexible conduit
Patent #: 3974862
Issued on: 08/17/1976
Inventor: Fuhrmann

Flexible cryogenic conduit
Patent #: 4492089
Issued on: 01/08/1985
Inventor: Rohner , et al.

Hose for drip irrigation and method of producing same
Patent #: 4756339
Issued on: 07/12/1988
Inventor: Buluschek

Double walled containment fuel transfer hose
Patent #: 5343738
Issued on: 09/06/1994
Inventor: Skaggs

System for housing secondarily contained flexible piping
Patent #: 5865216
Issued on: 02/02/1999
Inventor: Youngs

Flexible pipe including vent passage and method of manufacturing same
Patent #: 6446672
Issued on: 09/10/2002
Inventor: Kalman, et al.

Flexible pipe including a vent passage and method of manufacturing same Patent #: 6769454
Issued on: 08/03/2004
Inventor: Fraser, et al.

Inventor

Marion, Alain

Assignee

Technip France

Application

No. 10488077 filed on 08/08/2002

US Classes:

138/134, Metal138/135, With interlocked or clamped edge138/114, Coaxial138/148, Spaced138/137, Distinct layers138/140, DISTINCT LAYERS138/37, WITH FLOW REGULATORS AND/OR BAFFLES62/50.7, Specific conduit, valve, or coupling structure138/115, Longitudinally extending common wall138/127With metal

Examiners

Primary: Brinson, Patrick

Attorney, Agent or Firm

Ostrolenk, Faber, Gerb & Soffen, LLP

Foreign Patent References

2 744 511 FR 08/01/1997
2 775 052 FR 08/01/1999
WO 90/02648 WO 03/01/1999
WO 99/66246 WO 12/01/1999
WO 00/77587 WO 12/01/2000
WO 01/33130 WO 05/01/2001

International Class

F16L011/00

Abstract

A flexible pipe for transporting a fluid comprising an outer sealing polymer sheath, at least a pair of armor wraps helically and long-pitch wound, and a polymer pressure sheath. The pressure sheath consists of an inner tube arranged in an outer tube, and grooves are arranged on at least one of the surfaces opposite the inner and outer tubes.